./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/psyco/psyco_abp_1-1.c --full-output -ea --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 03d7b7b3 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -ea -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/psyco/psyco_abp_1-1.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 39adc6d5c92d5d4be7746cac0afbcc96f3b450588f18f3eb2d03a3ab1e20a3ef --- Real Ultimate output --- This is Ultimate 0.2.2-dev-03d7b7b [2022-02-20 16:07:17,064 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-20 16:07:17,066 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-20 16:07:17,084 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-20 16:07:17,085 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-20 16:07:17,085 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-20 16:07:17,086 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-20 16:07:17,087 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-20 16:07:17,089 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-20 16:07:17,089 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-20 16:07:17,090 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-20 16:07:17,092 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-20 16:07:17,092 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-20 16:07:17,097 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-20 16:07:17,098 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-20 16:07:17,099 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-20 16:07:17,101 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-20 16:07:17,102 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-20 16:07:17,103 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-20 16:07:17,106 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-20 16:07:17,110 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-20 16:07:17,111 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-20 16:07:17,111 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-20 16:07:17,112 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-20 16:07:17,114 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-02-20 16:07:17,116 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-02-20 16:07:17,116 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-02-20 16:07:17,117 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-02-20 16:07:17,118 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-02-20 16:07:17,118 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-02-20 16:07:17,119 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-02-20 16:07:17,119 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-02-20 16:07:17,120 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-02-20 16:07:17,121 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-02-20 16:07:17,122 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-02-20 16:07:17,122 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-02-20 16:07:17,123 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-02-20 16:07:17,123 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-02-20 16:07:17,123 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-20 16:07:17,124 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-20 16:07:17,124 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-20 16:07:17,125 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-02-20 16:07:17,142 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-20 16:07:17,144 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-20 16:07:17,145 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-20 16:07:17,145 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-20 16:07:17,145 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-20 16:07:17,145 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-20 16:07:17,146 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-20 16:07:17,146 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-20 16:07:17,146 INFO L138 SettingsManager]: * Use SBE=true [2022-02-20 16:07:17,146 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-20 16:07:17,147 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-20 16:07:17,147 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-20 16:07:17,147 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-20 16:07:17,147 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-20 16:07:17,148 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-20 16:07:17,148 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-20 16:07:17,148 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-20 16:07:17,148 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-20 16:07:17,148 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-20 16:07:17,148 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-20 16:07:17,148 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-20 16:07:17,149 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-20 16:07:17,149 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-20 16:07:17,149 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-20 16:07:17,149 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-20 16:07:17,149 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-20 16:07:17,149 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-20 16:07:17,150 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-20 16:07:17,150 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-20 16:07:17,150 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-20 16:07:17,150 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-20 16:07:17,150 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-02-20 16:07:17,150 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-20 16:07:17,151 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 39adc6d5c92d5d4be7746cac0afbcc96f3b450588f18f3eb2d03a3ab1e20a3ef [2022-02-20 16:07:17,344 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-20 16:07:17,376 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-20 16:07:17,377 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-20 16:07:17,378 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-20 16:07:17,379 INFO L275 PluginConnector]: CDTParser initialized [2022-02-20 16:07:17,380 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/psyco/psyco_abp_1-1.c [2022-02-20 16:07:17,434 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/163ddeab8/3339ceb532f34d0dbeff1b1edd70a9b1/FLAGb49826fbf [2022-02-20 16:07:17,738 INFO L306 CDTParser]: Found 1 translation units. [2022-02-20 16:07:17,738 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/psyco/psyco_abp_1-1.c [2022-02-20 16:07:17,749 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/163ddeab8/3339ceb532f34d0dbeff1b1edd70a9b1/FLAGb49826fbf [2022-02-20 16:07:18,155 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/163ddeab8/3339ceb532f34d0dbeff1b1edd70a9b1 [2022-02-20 16:07:18,157 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-20 16:07:18,158 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-02-20 16:07:18,172 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-20 16:07:18,172 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-20 16:07:18,176 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-20 16:07:18,176 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.02 04:07:18" (1/1) ... [2022-02-20 16:07:18,183 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@68e4545 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:07:18, skipping insertion in model container [2022-02-20 16:07:18,183 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.02 04:07:18" (1/1) ... [2022-02-20 16:07:18,188 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-20 16:07:18,254 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-20 16:07:18,434 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/psyco/psyco_abp_1-1.c[24818,24831] [2022-02-20 16:07:18,441 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-20 16:07:18,446 INFO L203 MainTranslator]: Completed pre-run [2022-02-20 16:07:18,489 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/psyco/psyco_abp_1-1.c[24818,24831] [2022-02-20 16:07:18,491 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-20 16:07:18,499 INFO L208 MainTranslator]: Completed translation [2022-02-20 16:07:18,499 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:07:18 WrapperNode [2022-02-20 16:07:18,499 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-20 16:07:18,500 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-20 16:07:18,500 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-20 16:07:18,500 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-20 16:07:18,505 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:07:18" (1/1) ... [2022-02-20 16:07:18,513 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:07:18" (1/1) ... [2022-02-20 16:07:18,562 INFO L137 Inliner]: procedures = 12, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 417 [2022-02-20 16:07:18,562 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-20 16:07:18,563 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-20 16:07:18,563 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-20 16:07:18,563 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-20 16:07:18,569 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:07:18" (1/1) ... [2022-02-20 16:07:18,569 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:07:18" (1/1) ... [2022-02-20 16:07:18,572 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:07:18" (1/1) ... [2022-02-20 16:07:18,572 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:07:18" (1/1) ... [2022-02-20 16:07:18,586 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:07:18" (1/1) ... [2022-02-20 16:07:18,590 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:07:18" (1/1) ... [2022-02-20 16:07:18,592 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:07:18" (1/1) ... [2022-02-20 16:07:18,595 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-20 16:07:18,596 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-20 16:07:18,596 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-20 16:07:18,596 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-20 16:07:18,597 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:07:18" (1/1) ... [2022-02-20 16:07:18,611 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-20 16:07:18,617 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 16:07:18,652 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-02-20 16:07:18,674 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-02-20 16:07:18,678 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-20 16:07:18,679 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-20 16:07:18,679 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-20 16:07:18,679 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-20 16:07:18,727 INFO L234 CfgBuilder]: Building ICFG [2022-02-20 16:07:18,728 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-20 16:07:19,361 INFO L275 CfgBuilder]: Performing block encoding [2022-02-20 16:07:19,367 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-20 16:07:19,367 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-02-20 16:07:19,368 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.02 04:07:19 BoogieIcfgContainer [2022-02-20 16:07:19,369 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-20 16:07:19,370 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-20 16:07:19,370 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-20 16:07:19,372 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-20 16:07:19,372 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.02 04:07:18" (1/3) ... [2022-02-20 16:07:19,372 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59c6d203 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.02 04:07:19, skipping insertion in model container [2022-02-20 16:07:19,373 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:07:18" (2/3) ... [2022-02-20 16:07:19,373 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59c6d203 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.02 04:07:19, skipping insertion in model container [2022-02-20 16:07:19,373 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.02 04:07:19" (3/3) ... [2022-02-20 16:07:19,374 INFO L111 eAbstractionObserver]: Analyzing ICFG psyco_abp_1-1.c [2022-02-20 16:07:19,377 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-20 16:07:19,377 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-02-20 16:07:19,403 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-20 16:07:19,407 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2022-02-20 16:07:19,407 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-02-20 16:07:19,418 INFO L276 IsEmpty]: Start isEmpty. Operand has 110 states, 108 states have (on average 1.9537037037037037) internal successors, (211), 109 states have internal predecessors, (211), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:07:19,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-02-20 16:07:19,421 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 16:07:19,422 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 16:07:19,422 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-20 16:07:19,425 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 16:07:19,425 INFO L85 PathProgramCache]: Analyzing trace with hash -1895078531, now seen corresponding path program 1 times [2022-02-20 16:07:19,430 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 16:07:19,430 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [23388725] [2022-02-20 16:07:19,431 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 16:07:19,431 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 16:07:19,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 16:07:19,557 INFO L290 TraceCheckUtils]: 0: Hoare triple {113#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(16, 2);call #Ultimate.allocInit(12, 3);~m_Protocol~0 := 1;~m_msg_2~0 := 2;~m_recv_ack_2~0 := 3;~m_msg_1_1~0 := 4;~m_msg_1_2~0 := 5;~m_recv_ack_1_1~0 := 6;~m_recv_ack_1_2~0 := 7; {113#true} is VALID [2022-02-20 16:07:19,557 INFO L290 TraceCheckUtils]: 1: Hoare triple {113#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~nondet5#1, main_#t~nondet6#1, main_#t~nondet7#1, main_#t~nondet8#1, main_#t~nondet9#1, main_#t~nondet10#1, main_#t~nondet11#1, main_#t~nondet12#1, main_#t~nondet13#1, main_#t~nondet14#1, main_#t~nondet15#1, main_#t~nondet16#1, main_#t~nondet17#1, main_#t~nondet18#1, main_#t~nondet19#1, main_#t~nondet20#1, main_#t~nondet21#1, main_#t~nondet22#1, main_#t~nondet23#1, main_#t~nondet24#1, main_#t~nondet25#1, main_#t~nondet26#1, main_#t~nondet27#1, main_#t~nondet28#1, main_#t~nondet29#1, main_#t~nondet30#1, main_#t~nondet31#1, main_#t~nondet32#1, main_#t~nondet33#1, main_#t~nondet34#1, main_#t~nondet35#1, main_#t~nondet36#1, main_#t~nondet37#1, main_#t~nondet38#1, main_#t~nondet39#1, main_#t~nondet40#1, main_#t~nondet41#1, main_#t~nondet42#1, main_#t~nondet43#1, main_~P1~0#1, main_~P2~0#1, main_~P3~0#1, main_~P4~0#1, main_~P5~0#1, main_~P6~0#1, main_~P7~0#1, main_~P8~0#1, main_~P9~0#1, main_~q~0#1, main_~method_id~0#1, main_~this_expect~0#1, main_~this_buffer_empty~0#1;main_~q~0#1 := 0;havoc main_~method_id~0#1;main_~this_expect~0#1 := 0;main_~this_buffer_empty~0#1 := 0; {113#true} is VALID [2022-02-20 16:07:19,557 INFO L290 TraceCheckUtils]: 2: Hoare triple {113#true} goto; {113#true} is VALID [2022-02-20 16:07:19,558 INFO L290 TraceCheckUtils]: 3: Hoare triple {113#true} assume !false;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_~P1~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647;main_~P2~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647;main_~P3~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;assume -2147483648 <= main_#t~nondet7#1 && main_#t~nondet7#1 <= 2147483647;main_~P4~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;assume -2147483648 <= main_#t~nondet8#1 && main_#t~nondet8#1 <= 2147483647;main_~P5~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647;main_~P6~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1;assume -2147483648 <= main_#t~nondet10#1 && main_#t~nondet10#1 <= 2147483647;main_~P7~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;assume -2147483648 <= main_#t~nondet11#1 && main_#t~nondet11#1 <= 2147483647;main_~P8~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;assume -2147483648 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 2147483647;main_~P9~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; {113#true} is VALID [2022-02-20 16:07:19,558 INFO L290 TraceCheckUtils]: 4: Hoare triple {113#true} assume !(main_~this_expect~0#1 > 16); {113#true} is VALID [2022-02-20 16:07:19,558 INFO L290 TraceCheckUtils]: 5: Hoare triple {113#true} assume 0 == main_~q~0#1;assume -2147483648 <= main_#t~nondet13#1 && main_#t~nondet13#1 <= 2147483647; {113#true} is VALID [2022-02-20 16:07:19,558 INFO L290 TraceCheckUtils]: 6: Hoare triple {113#true} assume 0 != main_#t~nondet13#1;havoc main_#t~nondet13#1; {113#true} is VALID [2022-02-20 16:07:19,559 INFO L290 TraceCheckUtils]: 7: Hoare triple {113#true} main_~method_id~0#1 := 1; {113#true} is VALID [2022-02-20 16:07:19,559 INFO L290 TraceCheckUtils]: 8: Hoare triple {113#true} assume false; {114#false} is VALID [2022-02-20 16:07:19,559 INFO L290 TraceCheckUtils]: 9: Hoare triple {114#false} assume !false; {114#false} is VALID [2022-02-20 16:07:19,560 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 16:07:19,560 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 16:07:19,560 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [23388725] [2022-02-20 16:07:19,561 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [23388725] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 16:07:19,561 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 16:07:19,561 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-02-20 16:07:19,562 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1643379669] [2022-02-20 16:07:19,563 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 16:07:19,565 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2022-02-20 16:07:19,566 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 16:07:19,568 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:07:19,576 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 10 edges. 10 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 16:07:19,576 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-02-20 16:07:19,576 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 16:07:19,588 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-02-20 16:07:19,588 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-02-20 16:07:19,590 INFO L87 Difference]: Start difference. First operand has 110 states, 108 states have (on average 1.9537037037037037) internal successors, (211), 109 states have internal predecessors, (211), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:07:19,733 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 16:07:19,733 INFO L93 Difference]: Finished difference Result 218 states and 420 transitions. [2022-02-20 16:07:19,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-20 16:07:19,734 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2022-02-20 16:07:19,734 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 16:07:19,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:07:19,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 420 transitions. [2022-02-20 16:07:19,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:07:19,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 420 transitions. [2022-02-20 16:07:19,748 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states and 420 transitions. [2022-02-20 16:07:20,062 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 420 edges. 420 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 16:07:20,077 INFO L225 Difference]: With dead ends: 218 [2022-02-20 16:07:20,077 INFO L226 Difference]: Without dead ends: 106 [2022-02-20 16:07:20,080 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-02-20 16:07:20,083 INFO L933 BasicCegarLoop]: 206 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 206 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-20 16:07:20,083 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 206 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-20 16:07:20,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2022-02-20 16:07:20,105 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 106. [2022-02-20 16:07:20,105 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 16:07:20,107 INFO L82 GeneralOperation]: Start isEquivalent. First operand 106 states. Second operand has 106 states, 105 states have (on average 1.6857142857142857) internal successors, (177), 105 states have internal predecessors, (177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:07:20,109 INFO L74 IsIncluded]: Start isIncluded. First operand 106 states. Second operand has 106 states, 105 states have (on average 1.6857142857142857) internal successors, (177), 105 states have internal predecessors, (177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:07:20,110 INFO L87 Difference]: Start difference. First operand 106 states. Second operand has 106 states, 105 states have (on average 1.6857142857142857) internal successors, (177), 105 states have internal predecessors, (177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:07:20,116 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 16:07:20,116 INFO L93 Difference]: Finished difference Result 106 states and 177 transitions. [2022-02-20 16:07:20,117 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 177 transitions. [2022-02-20 16:07:20,117 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 16:07:20,117 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 16:07:20,118 INFO L74 IsIncluded]: Start isIncluded. First operand has 106 states, 105 states have (on average 1.6857142857142857) internal successors, (177), 105 states have internal predecessors, (177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 106 states. [2022-02-20 16:07:20,118 INFO L87 Difference]: Start difference. First operand has 106 states, 105 states have (on average 1.6857142857142857) internal successors, (177), 105 states have internal predecessors, (177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 106 states. [2022-02-20 16:07:20,121 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 16:07:20,121 INFO L93 Difference]: Finished difference Result 106 states and 177 transitions. [2022-02-20 16:07:20,122 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 177 transitions. [2022-02-20 16:07:20,122 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 16:07:20,122 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 16:07:20,122 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 16:07:20,123 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 16:07:20,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 106 states, 105 states have (on average 1.6857142857142857) internal successors, (177), 105 states have internal predecessors, (177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:07:20,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 177 transitions. [2022-02-20 16:07:20,127 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 177 transitions. Word has length 10 [2022-02-20 16:07:20,127 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 16:07:20,127 INFO L470 AbstractCegarLoop]: Abstraction has 106 states and 177 transitions. [2022-02-20 16:07:20,127 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:07:20,127 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 177 transitions. [2022-02-20 16:07:20,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-02-20 16:07:20,128 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 16:07:20,128 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 16:07:20,128 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-20 16:07:20,128 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-20 16:07:20,129 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 16:07:20,129 INFO L85 PathProgramCache]: Analyzing trace with hash 1914595175, now seen corresponding path program 1 times [2022-02-20 16:07:20,129 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 16:07:20,129 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1611927886] [2022-02-20 16:07:20,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 16:07:20,130 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 16:07:20,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 16:07:20,188 INFO L290 TraceCheckUtils]: 0: Hoare triple {664#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(16, 2);call #Ultimate.allocInit(12, 3);~m_Protocol~0 := 1;~m_msg_2~0 := 2;~m_recv_ack_2~0 := 3;~m_msg_1_1~0 := 4;~m_msg_1_2~0 := 5;~m_recv_ack_1_1~0 := 6;~m_recv_ack_1_2~0 := 7; {664#true} is VALID [2022-02-20 16:07:20,189 INFO L290 TraceCheckUtils]: 1: Hoare triple {664#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~nondet5#1, main_#t~nondet6#1, main_#t~nondet7#1, main_#t~nondet8#1, main_#t~nondet9#1, main_#t~nondet10#1, main_#t~nondet11#1, main_#t~nondet12#1, main_#t~nondet13#1, main_#t~nondet14#1, main_#t~nondet15#1, main_#t~nondet16#1, main_#t~nondet17#1, main_#t~nondet18#1, main_#t~nondet19#1, main_#t~nondet20#1, main_#t~nondet21#1, main_#t~nondet22#1, main_#t~nondet23#1, main_#t~nondet24#1, main_#t~nondet25#1, main_#t~nondet26#1, main_#t~nondet27#1, main_#t~nondet28#1, main_#t~nondet29#1, main_#t~nondet30#1, main_#t~nondet31#1, main_#t~nondet32#1, main_#t~nondet33#1, main_#t~nondet34#1, main_#t~nondet35#1, main_#t~nondet36#1, main_#t~nondet37#1, main_#t~nondet38#1, main_#t~nondet39#1, main_#t~nondet40#1, main_#t~nondet41#1, main_#t~nondet42#1, main_#t~nondet43#1, main_~P1~0#1, main_~P2~0#1, main_~P3~0#1, main_~P4~0#1, main_~P5~0#1, main_~P6~0#1, main_~P7~0#1, main_~P8~0#1, main_~P9~0#1, main_~q~0#1, main_~method_id~0#1, main_~this_expect~0#1, main_~this_buffer_empty~0#1;main_~q~0#1 := 0;havoc main_~method_id~0#1;main_~this_expect~0#1 := 0;main_~this_buffer_empty~0#1 := 0; {666#(= |ULTIMATE.start_main_~q~0#1| 0)} is VALID [2022-02-20 16:07:20,189 INFO L290 TraceCheckUtils]: 2: Hoare triple {666#(= |ULTIMATE.start_main_~q~0#1| 0)} goto; {666#(= |ULTIMATE.start_main_~q~0#1| 0)} is VALID [2022-02-20 16:07:20,190 INFO L290 TraceCheckUtils]: 3: Hoare triple {666#(= |ULTIMATE.start_main_~q~0#1| 0)} assume !false;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_~P1~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647;main_~P2~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647;main_~P3~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;assume -2147483648 <= main_#t~nondet7#1 && main_#t~nondet7#1 <= 2147483647;main_~P4~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;assume -2147483648 <= main_#t~nondet8#1 && main_#t~nondet8#1 <= 2147483647;main_~P5~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647;main_~P6~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1;assume -2147483648 <= main_#t~nondet10#1 && main_#t~nondet10#1 <= 2147483647;main_~P7~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;assume -2147483648 <= main_#t~nondet11#1 && main_#t~nondet11#1 <= 2147483647;main_~P8~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;assume -2147483648 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 2147483647;main_~P9~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; {666#(= |ULTIMATE.start_main_~q~0#1| 0)} is VALID [2022-02-20 16:07:20,190 INFO L290 TraceCheckUtils]: 4: Hoare triple {666#(= |ULTIMATE.start_main_~q~0#1| 0)} assume !(main_~this_expect~0#1 > 16); {666#(= |ULTIMATE.start_main_~q~0#1| 0)} is VALID [2022-02-20 16:07:20,191 INFO L290 TraceCheckUtils]: 5: Hoare triple {666#(= |ULTIMATE.start_main_~q~0#1| 0)} assume !(0 == main_~q~0#1); {665#false} is VALID [2022-02-20 16:07:20,191 INFO L290 TraceCheckUtils]: 6: Hoare triple {665#false} assume 1 == main_~q~0#1;assume -2147483648 <= main_#t~nondet14#1 && main_#t~nondet14#1 <= 2147483647; {665#false} is VALID [2022-02-20 16:07:20,191 INFO L290 TraceCheckUtils]: 7: Hoare triple {665#false} assume 0 != main_#t~nondet14#1;havoc main_#t~nondet14#1; {665#false} is VALID [2022-02-20 16:07:20,192 INFO L290 TraceCheckUtils]: 8: Hoare triple {665#false} assume !(0 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2));main_~method_id~0#1 := 2; {665#false} is VALID [2022-02-20 16:07:20,192 INFO L290 TraceCheckUtils]: 9: Hoare triple {665#false} assume (((if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2) != (if main_~this_expect~0#1 < 0 && 0 != main_~this_expect~0#1 % 2 then main_~this_expect~0#1 % 2 - 2 else main_~this_expect~0#1 % 2) && 1 == main_~this_buffer_empty~0#1) && !(0 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2))) || (1 != main_~this_buffer_empty~0#1 && !(0 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2))); {665#false} is VALID [2022-02-20 16:07:20,197 INFO L290 TraceCheckUtils]: 10: Hoare triple {665#false} assume !false; {665#false} is VALID [2022-02-20 16:07:20,197 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 16:07:20,198 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 16:07:20,198 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1611927886] [2022-02-20 16:07:20,198 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1611927886] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 16:07:20,198 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 16:07:20,198 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-02-20 16:07:20,199 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1768989568] [2022-02-20 16:07:20,199 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 16:07:20,200 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2022-02-20 16:07:20,201 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 16:07:20,201 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:07:20,208 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 11 edges. 11 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 16:07:20,208 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-20 16:07:20,208 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 16:07:20,209 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-20 16:07:20,209 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-20 16:07:20,209 INFO L87 Difference]: Start difference. First operand 106 states and 177 transitions. Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:07:20,390 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 16:07:20,391 INFO L93 Difference]: Finished difference Result 214 states and 358 transitions. [2022-02-20 16:07:20,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-20 16:07:20,391 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2022-02-20 16:07:20,391 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 16:07:20,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:07:20,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 358 transitions. [2022-02-20 16:07:20,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:07:20,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 358 transitions. [2022-02-20 16:07:20,397 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 358 transitions. [2022-02-20 16:07:20,630 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 358 edges. 358 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 16:07:20,632 INFO L225 Difference]: With dead ends: 214 [2022-02-20 16:07:20,632 INFO L226 Difference]: Without dead ends: 110 [2022-02-20 16:07:20,633 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-20 16:07:20,634 INFO L933 BasicCegarLoop]: 176 mSDtfsCounter, 5 mSDsluCounter, 156 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 332 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-20 16:07:20,634 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5 Valid, 332 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-20 16:07:20,635 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2022-02-20 16:07:20,643 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 110. [2022-02-20 16:07:20,644 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 16:07:20,645 INFO L82 GeneralOperation]: Start isEquivalent. First operand 110 states. Second operand has 110 states, 109 states have (on average 1.6697247706422018) internal successors, (182), 109 states have internal predecessors, (182), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:07:20,645 INFO L74 IsIncluded]: Start isIncluded. First operand 110 states. Second operand has 110 states, 109 states have (on average 1.6697247706422018) internal successors, (182), 109 states have internal predecessors, (182), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:07:20,645 INFO L87 Difference]: Start difference. First operand 110 states. Second operand has 110 states, 109 states have (on average 1.6697247706422018) internal successors, (182), 109 states have internal predecessors, (182), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:07:20,648 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 16:07:20,648 INFO L93 Difference]: Finished difference Result 110 states and 182 transitions. [2022-02-20 16:07:20,648 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 182 transitions. [2022-02-20 16:07:20,649 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 16:07:20,649 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 16:07:20,649 INFO L74 IsIncluded]: Start isIncluded. First operand has 110 states, 109 states have (on average 1.6697247706422018) internal successors, (182), 109 states have internal predecessors, (182), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 110 states. [2022-02-20 16:07:20,649 INFO L87 Difference]: Start difference. First operand has 110 states, 109 states have (on average 1.6697247706422018) internal successors, (182), 109 states have internal predecessors, (182), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 110 states. [2022-02-20 16:07:20,652 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 16:07:20,652 INFO L93 Difference]: Finished difference Result 110 states and 182 transitions. [2022-02-20 16:07:20,652 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 182 transitions. [2022-02-20 16:07:20,653 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 16:07:20,653 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 16:07:20,653 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 16:07:20,653 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 16:07:20,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 110 states, 109 states have (on average 1.6697247706422018) internal successors, (182), 109 states have internal predecessors, (182), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:07:20,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 182 transitions. [2022-02-20 16:07:20,656 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 182 transitions. Word has length 11 [2022-02-20 16:07:20,656 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 16:07:20,656 INFO L470 AbstractCegarLoop]: Abstraction has 110 states and 182 transitions. [2022-02-20 16:07:20,656 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:07:20,656 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 182 transitions. [2022-02-20 16:07:20,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-02-20 16:07:20,657 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 16:07:20,657 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 16:07:20,657 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-02-20 16:07:20,657 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-20 16:07:20,658 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 16:07:20,658 INFO L85 PathProgramCache]: Analyzing trace with hash 100490260, now seen corresponding path program 1 times [2022-02-20 16:07:20,658 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 16:07:20,658 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1854647108] [2022-02-20 16:07:20,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 16:07:20,659 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 16:07:20,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 16:07:20,802 INFO L290 TraceCheckUtils]: 0: Hoare triple {1226#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(16, 2);call #Ultimate.allocInit(12, 3);~m_Protocol~0 := 1;~m_msg_2~0 := 2;~m_recv_ack_2~0 := 3;~m_msg_1_1~0 := 4;~m_msg_1_2~0 := 5;~m_recv_ack_1_1~0 := 6;~m_recv_ack_1_2~0 := 7; {1226#true} is VALID [2022-02-20 16:07:20,802 INFO L290 TraceCheckUtils]: 1: Hoare triple {1226#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~nondet5#1, main_#t~nondet6#1, main_#t~nondet7#1, main_#t~nondet8#1, main_#t~nondet9#1, main_#t~nondet10#1, main_#t~nondet11#1, main_#t~nondet12#1, main_#t~nondet13#1, main_#t~nondet14#1, main_#t~nondet15#1, main_#t~nondet16#1, main_#t~nondet17#1, main_#t~nondet18#1, main_#t~nondet19#1, main_#t~nondet20#1, main_#t~nondet21#1, main_#t~nondet22#1, main_#t~nondet23#1, main_#t~nondet24#1, main_#t~nondet25#1, main_#t~nondet26#1, main_#t~nondet27#1, main_#t~nondet28#1, main_#t~nondet29#1, main_#t~nondet30#1, main_#t~nondet31#1, main_#t~nondet32#1, main_#t~nondet33#1, main_#t~nondet34#1, main_#t~nondet35#1, main_#t~nondet36#1, main_#t~nondet37#1, main_#t~nondet38#1, main_#t~nondet39#1, main_#t~nondet40#1, main_#t~nondet41#1, main_#t~nondet42#1, main_#t~nondet43#1, main_~P1~0#1, main_~P2~0#1, main_~P3~0#1, main_~P4~0#1, main_~P5~0#1, main_~P6~0#1, main_~P7~0#1, main_~P8~0#1, main_~P9~0#1, main_~q~0#1, main_~method_id~0#1, main_~this_expect~0#1, main_~this_buffer_empty~0#1;main_~q~0#1 := 0;havoc main_~method_id~0#1;main_~this_expect~0#1 := 0;main_~this_buffer_empty~0#1 := 0; {1226#true} is VALID [2022-02-20 16:07:20,803 INFO L290 TraceCheckUtils]: 2: Hoare triple {1226#true} goto; {1226#true} is VALID [2022-02-20 16:07:20,803 INFO L290 TraceCheckUtils]: 3: Hoare triple {1226#true} assume !false;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_~P1~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647;main_~P2~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647;main_~P3~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;assume -2147483648 <= main_#t~nondet7#1 && main_#t~nondet7#1 <= 2147483647;main_~P4~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;assume -2147483648 <= main_#t~nondet8#1 && main_#t~nondet8#1 <= 2147483647;main_~P5~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647;main_~P6~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1;assume -2147483648 <= main_#t~nondet10#1 && main_#t~nondet10#1 <= 2147483647;main_~P7~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;assume -2147483648 <= main_#t~nondet11#1 && main_#t~nondet11#1 <= 2147483647;main_~P8~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;assume -2147483648 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 2147483647;main_~P9~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; {1226#true} is VALID [2022-02-20 16:07:20,803 INFO L290 TraceCheckUtils]: 4: Hoare triple {1226#true} assume !(main_~this_expect~0#1 > 16); {1226#true} is VALID [2022-02-20 16:07:20,803 INFO L290 TraceCheckUtils]: 5: Hoare triple {1226#true} assume 0 == main_~q~0#1;assume -2147483648 <= main_#t~nondet13#1 && main_#t~nondet13#1 <= 2147483647; {1226#true} is VALID [2022-02-20 16:07:20,803 INFO L290 TraceCheckUtils]: 6: Hoare triple {1226#true} assume 0 != main_#t~nondet13#1;havoc main_#t~nondet13#1; {1226#true} is VALID [2022-02-20 16:07:20,804 INFO L290 TraceCheckUtils]: 7: Hoare triple {1226#true} main_~method_id~0#1 := 1; {1226#true} is VALID [2022-02-20 16:07:20,804 INFO L290 TraceCheckUtils]: 8: Hoare triple {1226#true} assume !false;main_~q~0#1 := 1;main_~this_expect~0#1 := 0;main_~this_buffer_empty~0#1 := 1; {1228#(and (= |ULTIMATE.start_main_~this_expect~0#1| 0) (= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} is VALID [2022-02-20 16:07:20,805 INFO L290 TraceCheckUtils]: 9: Hoare triple {1228#(and (= |ULTIMATE.start_main_~this_expect~0#1| 0) (= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} assume !false;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_~P1~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647;main_~P2~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647;main_~P3~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;assume -2147483648 <= main_#t~nondet7#1 && main_#t~nondet7#1 <= 2147483647;main_~P4~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;assume -2147483648 <= main_#t~nondet8#1 && main_#t~nondet8#1 <= 2147483647;main_~P5~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647;main_~P6~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1;assume -2147483648 <= main_#t~nondet10#1 && main_#t~nondet10#1 <= 2147483647;main_~P7~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;assume -2147483648 <= main_#t~nondet11#1 && main_#t~nondet11#1 <= 2147483647;main_~P8~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;assume -2147483648 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 2147483647;main_~P9~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; {1228#(and (= |ULTIMATE.start_main_~this_expect~0#1| 0) (= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} is VALID [2022-02-20 16:07:20,806 INFO L290 TraceCheckUtils]: 10: Hoare triple {1228#(and (= |ULTIMATE.start_main_~this_expect~0#1| 0) (= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} assume !(main_~this_expect~0#1 > 16); {1228#(and (= |ULTIMATE.start_main_~this_expect~0#1| 0) (= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} is VALID [2022-02-20 16:07:20,806 INFO L290 TraceCheckUtils]: 11: Hoare triple {1228#(and (= |ULTIMATE.start_main_~this_expect~0#1| 0) (= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} assume !(0 == main_~q~0#1); {1228#(and (= |ULTIMATE.start_main_~this_expect~0#1| 0) (= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} is VALID [2022-02-20 16:07:20,807 INFO L290 TraceCheckUtils]: 12: Hoare triple {1228#(and (= |ULTIMATE.start_main_~this_expect~0#1| 0) (= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} assume 1 == main_~q~0#1;assume -2147483648 <= main_#t~nondet14#1 && main_#t~nondet14#1 <= 2147483647; {1228#(and (= |ULTIMATE.start_main_~this_expect~0#1| 0) (= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} is VALID [2022-02-20 16:07:20,807 INFO L290 TraceCheckUtils]: 13: Hoare triple {1228#(and (= |ULTIMATE.start_main_~this_expect~0#1| 0) (= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} assume 0 != main_#t~nondet14#1;havoc main_#t~nondet14#1; {1228#(and (= |ULTIMATE.start_main_~this_expect~0#1| 0) (= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} is VALID [2022-02-20 16:07:20,808 INFO L290 TraceCheckUtils]: 14: Hoare triple {1228#(and (= |ULTIMATE.start_main_~this_expect~0#1| 0) (= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} assume !(0 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2));main_~method_id~0#1 := 2; {1229#(and (= |ULTIMATE.start_main_~this_expect~0#1| 0) (= (+ (* (- 2) (div |ULTIMATE.start_main_~this_expect~0#1| 2)) |ULTIMATE.start_main_~this_expect~0#1|) (+ |ULTIMATE.start_main_~P1~0#1| (* (- 2) (div |ULTIMATE.start_main_~P1~0#1| 2)))) (= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} is VALID [2022-02-20 16:07:20,809 INFO L290 TraceCheckUtils]: 15: Hoare triple {1229#(and (= |ULTIMATE.start_main_~this_expect~0#1| 0) (= (+ (* (- 2) (div |ULTIMATE.start_main_~this_expect~0#1| 2)) |ULTIMATE.start_main_~this_expect~0#1|) (+ |ULTIMATE.start_main_~P1~0#1| (* (- 2) (div |ULTIMATE.start_main_~P1~0#1| 2)))) (= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} assume (((if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2) != (if main_~this_expect~0#1 < 0 && 0 != main_~this_expect~0#1 % 2 then main_~this_expect~0#1 % 2 - 2 else main_~this_expect~0#1 % 2) && 1 == main_~this_buffer_empty~0#1) && !(0 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2))) || (1 != main_~this_buffer_empty~0#1 && !(0 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2))); {1227#false} is VALID [2022-02-20 16:07:20,809 INFO L290 TraceCheckUtils]: 16: Hoare triple {1227#false} assume !false; {1227#false} is VALID [2022-02-20 16:07:20,809 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 16:07:20,809 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 16:07:20,810 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1854647108] [2022-02-20 16:07:20,810 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1854647108] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 16:07:20,810 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 16:07:20,810 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-02-20 16:07:20,810 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1832121626] [2022-02-20 16:07:20,811 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 16:07:20,811 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2022-02-20 16:07:20,811 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 16:07:20,811 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:07:20,827 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 17 edges. 17 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 16:07:20,827 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-02-20 16:07:20,828 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 16:07:20,828 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-02-20 16:07:20,828 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-02-20 16:07:20,828 INFO L87 Difference]: Start difference. First operand 110 states and 182 transitions. Second operand has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:07:21,250 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 16:07:21,250 INFO L93 Difference]: Finished difference Result 326 states and 541 transitions. [2022-02-20 16:07:21,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-20 16:07:21,250 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2022-02-20 16:07:21,250 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 16:07:21,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:07:21,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 528 transitions. [2022-02-20 16:07:21,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:07:21,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 528 transitions. [2022-02-20 16:07:21,258 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states and 528 transitions. [2022-02-20 16:07:21,674 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 528 edges. 528 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 16:07:21,676 INFO L225 Difference]: With dead ends: 326 [2022-02-20 16:07:21,676 INFO L226 Difference]: Without dead ends: 197 [2022-02-20 16:07:21,677 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-02-20 16:07:21,678 INFO L933 BasicCegarLoop]: 173 mSDtfsCounter, 148 mSDsluCounter, 216 mSDsCounter, 0 mSdLazyCounter, 105 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 148 SdHoareTripleChecker+Valid, 389 SdHoareTripleChecker+Invalid, 137 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 105 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-20 16:07:21,678 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [148 Valid, 389 Invalid, 137 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 105 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-20 16:07:21,679 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 197 states. [2022-02-20 16:07:21,683 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 197 to 184. [2022-02-20 16:07:21,684 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 16:07:21,684 INFO L82 GeneralOperation]: Start isEquivalent. First operand 197 states. Second operand has 184 states, 183 states have (on average 1.644808743169399) internal successors, (301), 183 states have internal predecessors, (301), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:07:21,684 INFO L74 IsIncluded]: Start isIncluded. First operand 197 states. Second operand has 184 states, 183 states have (on average 1.644808743169399) internal successors, (301), 183 states have internal predecessors, (301), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:07:21,685 INFO L87 Difference]: Start difference. First operand 197 states. Second operand has 184 states, 183 states have (on average 1.644808743169399) internal successors, (301), 183 states have internal predecessors, (301), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:07:21,689 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 16:07:21,689 INFO L93 Difference]: Finished difference Result 197 states and 315 transitions. [2022-02-20 16:07:21,690 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 315 transitions. [2022-02-20 16:07:21,690 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 16:07:21,691 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 16:07:21,691 INFO L74 IsIncluded]: Start isIncluded. First operand has 184 states, 183 states have (on average 1.644808743169399) internal successors, (301), 183 states have internal predecessors, (301), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 197 states. [2022-02-20 16:07:21,691 INFO L87 Difference]: Start difference. First operand has 184 states, 183 states have (on average 1.644808743169399) internal successors, (301), 183 states have internal predecessors, (301), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 197 states. [2022-02-20 16:07:21,695 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 16:07:21,696 INFO L93 Difference]: Finished difference Result 197 states and 315 transitions. [2022-02-20 16:07:21,696 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 315 transitions. [2022-02-20 16:07:21,696 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 16:07:21,697 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 16:07:21,697 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 16:07:21,697 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 16:07:21,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 184 states, 183 states have (on average 1.644808743169399) internal successors, (301), 183 states have internal predecessors, (301), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:07:21,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 184 states and 301 transitions. [2022-02-20 16:07:21,701 INFO L78 Accepts]: Start accepts. Automaton has 184 states and 301 transitions. Word has length 17 [2022-02-20 16:07:21,701 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 16:07:21,701 INFO L470 AbstractCegarLoop]: Abstraction has 184 states and 301 transitions. [2022-02-20 16:07:21,701 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:07:21,701 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 301 transitions. [2022-02-20 16:07:21,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-02-20 16:07:21,702 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 16:07:21,702 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 16:07:21,702 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-02-20 16:07:21,702 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-20 16:07:21,703 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 16:07:21,703 INFO L85 PathProgramCache]: Analyzing trace with hash 1571478032, now seen corresponding path program 1 times [2022-02-20 16:07:21,703 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 16:07:21,703 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1089692401] [2022-02-20 16:07:21,703 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 16:07:21,703 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 16:07:21,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 16:07:21,740 INFO L290 TraceCheckUtils]: 0: Hoare triple {2158#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(16, 2);call #Ultimate.allocInit(12, 3);~m_Protocol~0 := 1;~m_msg_2~0 := 2;~m_recv_ack_2~0 := 3;~m_msg_1_1~0 := 4;~m_msg_1_2~0 := 5;~m_recv_ack_1_1~0 := 6;~m_recv_ack_1_2~0 := 7; {2158#true} is VALID [2022-02-20 16:07:21,740 INFO L290 TraceCheckUtils]: 1: Hoare triple {2158#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~nondet5#1, main_#t~nondet6#1, main_#t~nondet7#1, main_#t~nondet8#1, main_#t~nondet9#1, main_#t~nondet10#1, main_#t~nondet11#1, main_#t~nondet12#1, main_#t~nondet13#1, main_#t~nondet14#1, main_#t~nondet15#1, main_#t~nondet16#1, main_#t~nondet17#1, main_#t~nondet18#1, main_#t~nondet19#1, main_#t~nondet20#1, main_#t~nondet21#1, main_#t~nondet22#1, main_#t~nondet23#1, main_#t~nondet24#1, main_#t~nondet25#1, main_#t~nondet26#1, main_#t~nondet27#1, main_#t~nondet28#1, main_#t~nondet29#1, main_#t~nondet30#1, main_#t~nondet31#1, main_#t~nondet32#1, main_#t~nondet33#1, main_#t~nondet34#1, main_#t~nondet35#1, main_#t~nondet36#1, main_#t~nondet37#1, main_#t~nondet38#1, main_#t~nondet39#1, main_#t~nondet40#1, main_#t~nondet41#1, main_#t~nondet42#1, main_#t~nondet43#1, main_~P1~0#1, main_~P2~0#1, main_~P3~0#1, main_~P4~0#1, main_~P5~0#1, main_~P6~0#1, main_~P7~0#1, main_~P8~0#1, main_~P9~0#1, main_~q~0#1, main_~method_id~0#1, main_~this_expect~0#1, main_~this_buffer_empty~0#1;main_~q~0#1 := 0;havoc main_~method_id~0#1;main_~this_expect~0#1 := 0;main_~this_buffer_empty~0#1 := 0; {2158#true} is VALID [2022-02-20 16:07:21,740 INFO L290 TraceCheckUtils]: 2: Hoare triple {2158#true} goto; {2158#true} is VALID [2022-02-20 16:07:21,740 INFO L290 TraceCheckUtils]: 3: Hoare triple {2158#true} assume !false;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_~P1~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647;main_~P2~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647;main_~P3~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;assume -2147483648 <= main_#t~nondet7#1 && main_#t~nondet7#1 <= 2147483647;main_~P4~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;assume -2147483648 <= main_#t~nondet8#1 && main_#t~nondet8#1 <= 2147483647;main_~P5~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647;main_~P6~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1;assume -2147483648 <= main_#t~nondet10#1 && main_#t~nondet10#1 <= 2147483647;main_~P7~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;assume -2147483648 <= main_#t~nondet11#1 && main_#t~nondet11#1 <= 2147483647;main_~P8~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;assume -2147483648 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 2147483647;main_~P9~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; {2158#true} is VALID [2022-02-20 16:07:21,741 INFO L290 TraceCheckUtils]: 4: Hoare triple {2158#true} assume !(main_~this_expect~0#1 > 16); {2158#true} is VALID [2022-02-20 16:07:21,741 INFO L290 TraceCheckUtils]: 5: Hoare triple {2158#true} assume 0 == main_~q~0#1;assume -2147483648 <= main_#t~nondet13#1 && main_#t~nondet13#1 <= 2147483647; {2158#true} is VALID [2022-02-20 16:07:21,741 INFO L290 TraceCheckUtils]: 6: Hoare triple {2158#true} assume 0 != main_#t~nondet13#1;havoc main_#t~nondet13#1; {2158#true} is VALID [2022-02-20 16:07:21,741 INFO L290 TraceCheckUtils]: 7: Hoare triple {2158#true} main_~method_id~0#1 := 1; {2158#true} is VALID [2022-02-20 16:07:21,741 INFO L290 TraceCheckUtils]: 8: Hoare triple {2158#true} assume !false;main_~q~0#1 := 1;main_~this_expect~0#1 := 0;main_~this_buffer_empty~0#1 := 1; {2160#(= |ULTIMATE.start_main_~q~0#1| 1)} is VALID [2022-02-20 16:07:21,742 INFO L290 TraceCheckUtils]: 9: Hoare triple {2160#(= |ULTIMATE.start_main_~q~0#1| 1)} assume !false;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_~P1~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647;main_~P2~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647;main_~P3~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;assume -2147483648 <= main_#t~nondet7#1 && main_#t~nondet7#1 <= 2147483647;main_~P4~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;assume -2147483648 <= main_#t~nondet8#1 && main_#t~nondet8#1 <= 2147483647;main_~P5~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647;main_~P6~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1;assume -2147483648 <= main_#t~nondet10#1 && main_#t~nondet10#1 <= 2147483647;main_~P7~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;assume -2147483648 <= main_#t~nondet11#1 && main_#t~nondet11#1 <= 2147483647;main_~P8~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;assume -2147483648 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 2147483647;main_~P9~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; {2160#(= |ULTIMATE.start_main_~q~0#1| 1)} is VALID [2022-02-20 16:07:21,743 INFO L290 TraceCheckUtils]: 10: Hoare triple {2160#(= |ULTIMATE.start_main_~q~0#1| 1)} assume !(main_~this_expect~0#1 > 16); {2160#(= |ULTIMATE.start_main_~q~0#1| 1)} is VALID [2022-02-20 16:07:21,743 INFO L290 TraceCheckUtils]: 11: Hoare triple {2160#(= |ULTIMATE.start_main_~q~0#1| 1)} assume !(0 == main_~q~0#1); {2160#(= |ULTIMATE.start_main_~q~0#1| 1)} is VALID [2022-02-20 16:07:21,743 INFO L290 TraceCheckUtils]: 12: Hoare triple {2160#(= |ULTIMATE.start_main_~q~0#1| 1)} assume !(1 == main_~q~0#1); {2159#false} is VALID [2022-02-20 16:07:21,743 INFO L290 TraceCheckUtils]: 13: Hoare triple {2159#false} assume 2 == main_~q~0#1;assume -2147483648 <= main_#t~nondet20#1 && main_#t~nondet20#1 <= 2147483647; {2159#false} is VALID [2022-02-20 16:07:21,744 INFO L290 TraceCheckUtils]: 14: Hoare triple {2159#false} assume 0 != main_#t~nondet20#1;havoc main_#t~nondet20#1; {2159#false} is VALID [2022-02-20 16:07:21,744 INFO L290 TraceCheckUtils]: 15: Hoare triple {2159#false} assume !(0 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2));main_~method_id~0#1 := 2; {2159#false} is VALID [2022-02-20 16:07:21,744 INFO L290 TraceCheckUtils]: 16: Hoare triple {2159#false} assume ((if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2) == (if main_~this_expect~0#1 < 0 && 0 != main_~this_expect~0#1 % 2 then main_~this_expect~0#1 % 2 - 2 else main_~this_expect~0#1 % 2) && 1 == main_~this_buffer_empty~0#1) && !(0 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2)); {2159#false} is VALID [2022-02-20 16:07:21,744 INFO L290 TraceCheckUtils]: 17: Hoare triple {2159#false} assume !false; {2159#false} is VALID [2022-02-20 16:07:21,744 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 16:07:21,745 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 16:07:21,745 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1089692401] [2022-02-20 16:07:21,745 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1089692401] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 16:07:21,745 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 16:07:21,745 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-02-20 16:07:21,745 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1036180074] [2022-02-20 16:07:21,745 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 16:07:21,746 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2022-02-20 16:07:21,746 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 16:07:21,746 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:07:21,757 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 18 edges. 18 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 16:07:21,757 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-20 16:07:21,757 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 16:07:21,757 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-20 16:07:21,758 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-20 16:07:21,758 INFO L87 Difference]: Start difference. First operand 184 states and 301 transitions. Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:07:21,916 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 16:07:21,916 INFO L93 Difference]: Finished difference Result 314 states and 514 transitions. [2022-02-20 16:07:21,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-20 16:07:21,916 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2022-02-20 16:07:21,916 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 16:07:21,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:07:21,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 360 transitions. [2022-02-20 16:07:21,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:07:21,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 360 transitions. [2022-02-20 16:07:21,921 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 360 transitions. [2022-02-20 16:07:22,156 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 360 edges. 360 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 16:07:22,157 INFO L225 Difference]: With dead ends: 314 [2022-02-20 16:07:22,157 INFO L226 Difference]: Without dead ends: 133 [2022-02-20 16:07:22,158 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-20 16:07:22,159 INFO L933 BasicCegarLoop]: 178 mSDtfsCounter, 33 mSDsluCounter, 129 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 307 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-20 16:07:22,159 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [33 Valid, 307 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-20 16:07:22,159 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2022-02-20 16:07:22,162 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 131. [2022-02-20 16:07:22,162 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 16:07:22,162 INFO L82 GeneralOperation]: Start isEquivalent. First operand 133 states. Second operand has 131 states, 130 states have (on average 1.623076923076923) internal successors, (211), 130 states have internal predecessors, (211), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:07:22,163 INFO L74 IsIncluded]: Start isIncluded. First operand 133 states. Second operand has 131 states, 130 states have (on average 1.623076923076923) internal successors, (211), 130 states have internal predecessors, (211), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:07:22,163 INFO L87 Difference]: Start difference. First operand 133 states. Second operand has 131 states, 130 states have (on average 1.623076923076923) internal successors, (211), 130 states have internal predecessors, (211), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:07:22,165 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 16:07:22,165 INFO L93 Difference]: Finished difference Result 133 states and 212 transitions. [2022-02-20 16:07:22,165 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 212 transitions. [2022-02-20 16:07:22,165 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 16:07:22,165 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 16:07:22,166 INFO L74 IsIncluded]: Start isIncluded. First operand has 131 states, 130 states have (on average 1.623076923076923) internal successors, (211), 130 states have internal predecessors, (211), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 133 states. [2022-02-20 16:07:22,166 INFO L87 Difference]: Start difference. First operand has 131 states, 130 states have (on average 1.623076923076923) internal successors, (211), 130 states have internal predecessors, (211), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 133 states. [2022-02-20 16:07:22,169 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 16:07:22,169 INFO L93 Difference]: Finished difference Result 133 states and 212 transitions. [2022-02-20 16:07:22,169 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 212 transitions. [2022-02-20 16:07:22,170 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 16:07:22,170 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 16:07:22,170 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 16:07:22,170 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 16:07:22,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 131 states, 130 states have (on average 1.623076923076923) internal successors, (211), 130 states have internal predecessors, (211), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:07:22,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 211 transitions. [2022-02-20 16:07:22,173 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 211 transitions. Word has length 18 [2022-02-20 16:07:22,173 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 16:07:22,173 INFO L470 AbstractCegarLoop]: Abstraction has 131 states and 211 transitions. [2022-02-20 16:07:22,173 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:07:22,173 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 211 transitions. [2022-02-20 16:07:22,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-02-20 16:07:22,174 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 16:07:22,174 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 16:07:22,174 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-02-20 16:07:22,174 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-20 16:07:22,174 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 16:07:22,175 INFO L85 PathProgramCache]: Analyzing trace with hash -1260642915, now seen corresponding path program 1 times [2022-02-20 16:07:22,175 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 16:07:22,175 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [799098793] [2022-02-20 16:07:22,175 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 16:07:22,175 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 16:07:22,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 16:07:22,222 INFO L290 TraceCheckUtils]: 0: Hoare triple {2896#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(16, 2);call #Ultimate.allocInit(12, 3);~m_Protocol~0 := 1;~m_msg_2~0 := 2;~m_recv_ack_2~0 := 3;~m_msg_1_1~0 := 4;~m_msg_1_2~0 := 5;~m_recv_ack_1_1~0 := 6;~m_recv_ack_1_2~0 := 7; {2896#true} is VALID [2022-02-20 16:07:22,222 INFO L290 TraceCheckUtils]: 1: Hoare triple {2896#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~nondet5#1, main_#t~nondet6#1, main_#t~nondet7#1, main_#t~nondet8#1, main_#t~nondet9#1, main_#t~nondet10#1, main_#t~nondet11#1, main_#t~nondet12#1, main_#t~nondet13#1, main_#t~nondet14#1, main_#t~nondet15#1, main_#t~nondet16#1, main_#t~nondet17#1, main_#t~nondet18#1, main_#t~nondet19#1, main_#t~nondet20#1, main_#t~nondet21#1, main_#t~nondet22#1, main_#t~nondet23#1, main_#t~nondet24#1, main_#t~nondet25#1, main_#t~nondet26#1, main_#t~nondet27#1, main_#t~nondet28#1, main_#t~nondet29#1, main_#t~nondet30#1, main_#t~nondet31#1, main_#t~nondet32#1, main_#t~nondet33#1, main_#t~nondet34#1, main_#t~nondet35#1, main_#t~nondet36#1, main_#t~nondet37#1, main_#t~nondet38#1, main_#t~nondet39#1, main_#t~nondet40#1, main_#t~nondet41#1, main_#t~nondet42#1, main_#t~nondet43#1, main_~P1~0#1, main_~P2~0#1, main_~P3~0#1, main_~P4~0#1, main_~P5~0#1, main_~P6~0#1, main_~P7~0#1, main_~P8~0#1, main_~P9~0#1, main_~q~0#1, main_~method_id~0#1, main_~this_expect~0#1, main_~this_buffer_empty~0#1;main_~q~0#1 := 0;havoc main_~method_id~0#1;main_~this_expect~0#1 := 0;main_~this_buffer_empty~0#1 := 0; {2896#true} is VALID [2022-02-20 16:07:22,222 INFO L290 TraceCheckUtils]: 2: Hoare triple {2896#true} goto; {2896#true} is VALID [2022-02-20 16:07:22,222 INFO L290 TraceCheckUtils]: 3: Hoare triple {2896#true} assume !false;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_~P1~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647;main_~P2~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647;main_~P3~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;assume -2147483648 <= main_#t~nondet7#1 && main_#t~nondet7#1 <= 2147483647;main_~P4~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;assume -2147483648 <= main_#t~nondet8#1 && main_#t~nondet8#1 <= 2147483647;main_~P5~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647;main_~P6~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1;assume -2147483648 <= main_#t~nondet10#1 && main_#t~nondet10#1 <= 2147483647;main_~P7~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;assume -2147483648 <= main_#t~nondet11#1 && main_#t~nondet11#1 <= 2147483647;main_~P8~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;assume -2147483648 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 2147483647;main_~P9~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; {2896#true} is VALID [2022-02-20 16:07:22,222 INFO L290 TraceCheckUtils]: 4: Hoare triple {2896#true} assume !(main_~this_expect~0#1 > 16); {2896#true} is VALID [2022-02-20 16:07:22,223 INFO L290 TraceCheckUtils]: 5: Hoare triple {2896#true} assume 0 == main_~q~0#1;assume -2147483648 <= main_#t~nondet13#1 && main_#t~nondet13#1 <= 2147483647; {2896#true} is VALID [2022-02-20 16:07:22,223 INFO L290 TraceCheckUtils]: 6: Hoare triple {2896#true} assume 0 != main_#t~nondet13#1;havoc main_#t~nondet13#1; {2896#true} is VALID [2022-02-20 16:07:22,223 INFO L290 TraceCheckUtils]: 7: Hoare triple {2896#true} main_~method_id~0#1 := 1; {2896#true} is VALID [2022-02-20 16:07:22,223 INFO L290 TraceCheckUtils]: 8: Hoare triple {2896#true} assume !false;main_~q~0#1 := 1;main_~this_expect~0#1 := 0;main_~this_buffer_empty~0#1 := 1; {2896#true} is VALID [2022-02-20 16:07:22,223 INFO L290 TraceCheckUtils]: 9: Hoare triple {2896#true} assume !false;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_~P1~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647;main_~P2~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647;main_~P3~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;assume -2147483648 <= main_#t~nondet7#1 && main_#t~nondet7#1 <= 2147483647;main_~P4~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;assume -2147483648 <= main_#t~nondet8#1 && main_#t~nondet8#1 <= 2147483647;main_~P5~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647;main_~P6~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1;assume -2147483648 <= main_#t~nondet10#1 && main_#t~nondet10#1 <= 2147483647;main_~P7~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;assume -2147483648 <= main_#t~nondet11#1 && main_#t~nondet11#1 <= 2147483647;main_~P8~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;assume -2147483648 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 2147483647;main_~P9~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; {2896#true} is VALID [2022-02-20 16:07:22,223 INFO L290 TraceCheckUtils]: 10: Hoare triple {2896#true} assume !(main_~this_expect~0#1 > 16); {2896#true} is VALID [2022-02-20 16:07:22,224 INFO L290 TraceCheckUtils]: 11: Hoare triple {2896#true} assume !(0 == main_~q~0#1); {2896#true} is VALID [2022-02-20 16:07:22,224 INFO L290 TraceCheckUtils]: 12: Hoare triple {2896#true} assume 1 == main_~q~0#1;assume -2147483648 <= main_#t~nondet14#1 && main_#t~nondet14#1 <= 2147483647; {2896#true} is VALID [2022-02-20 16:07:22,224 INFO L290 TraceCheckUtils]: 13: Hoare triple {2896#true} assume 0 != main_#t~nondet14#1;havoc main_#t~nondet14#1; {2896#true} is VALID [2022-02-20 16:07:22,224 INFO L290 TraceCheckUtils]: 14: Hoare triple {2896#true} assume !(0 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2));main_~method_id~0#1 := 2; {2896#true} is VALID [2022-02-20 16:07:22,225 INFO L290 TraceCheckUtils]: 15: Hoare triple {2896#true} assume !((((if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2) != (if main_~this_expect~0#1 < 0 && 0 != main_~this_expect~0#1 % 2 then main_~this_expect~0#1 % 2 - 2 else main_~this_expect~0#1 % 2) && 1 == main_~this_buffer_empty~0#1) && !(0 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2))) || (1 != main_~this_buffer_empty~0#1 && !(0 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2))));main_~q~0#1 := 3;main_~this_expect~0#1 := 1 + main_~this_expect~0#1;main_~this_buffer_empty~0#1 := 1 - main_~this_buffer_empty~0#1; {2898#(= 3 |ULTIMATE.start_main_~q~0#1|)} is VALID [2022-02-20 16:07:22,225 INFO L290 TraceCheckUtils]: 16: Hoare triple {2898#(= 3 |ULTIMATE.start_main_~q~0#1|)} assume !false;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_~P1~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647;main_~P2~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647;main_~P3~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;assume -2147483648 <= main_#t~nondet7#1 && main_#t~nondet7#1 <= 2147483647;main_~P4~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;assume -2147483648 <= main_#t~nondet8#1 && main_#t~nondet8#1 <= 2147483647;main_~P5~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647;main_~P6~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1;assume -2147483648 <= main_#t~nondet10#1 && main_#t~nondet10#1 <= 2147483647;main_~P7~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;assume -2147483648 <= main_#t~nondet11#1 && main_#t~nondet11#1 <= 2147483647;main_~P8~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;assume -2147483648 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 2147483647;main_~P9~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; {2898#(= 3 |ULTIMATE.start_main_~q~0#1|)} is VALID [2022-02-20 16:07:22,225 INFO L290 TraceCheckUtils]: 17: Hoare triple {2898#(= 3 |ULTIMATE.start_main_~q~0#1|)} assume !(main_~this_expect~0#1 > 16); {2898#(= 3 |ULTIMATE.start_main_~q~0#1|)} is VALID [2022-02-20 16:07:22,226 INFO L290 TraceCheckUtils]: 18: Hoare triple {2898#(= 3 |ULTIMATE.start_main_~q~0#1|)} assume !(0 == main_~q~0#1); {2898#(= 3 |ULTIMATE.start_main_~q~0#1|)} is VALID [2022-02-20 16:07:22,226 INFO L290 TraceCheckUtils]: 19: Hoare triple {2898#(= 3 |ULTIMATE.start_main_~q~0#1|)} assume 1 == main_~q~0#1;assume -2147483648 <= main_#t~nondet14#1 && main_#t~nondet14#1 <= 2147483647; {2897#false} is VALID [2022-02-20 16:07:22,226 INFO L290 TraceCheckUtils]: 20: Hoare triple {2897#false} assume 0 != main_#t~nondet14#1;havoc main_#t~nondet14#1; {2897#false} is VALID [2022-02-20 16:07:22,226 INFO L290 TraceCheckUtils]: 21: Hoare triple {2897#false} assume !(0 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2));main_~method_id~0#1 := 2; {2897#false} is VALID [2022-02-20 16:07:22,227 INFO L290 TraceCheckUtils]: 22: Hoare triple {2897#false} assume (((if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2) != (if main_~this_expect~0#1 < 0 && 0 != main_~this_expect~0#1 % 2 then main_~this_expect~0#1 % 2 - 2 else main_~this_expect~0#1 % 2) && 1 == main_~this_buffer_empty~0#1) && !(0 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2))) || (1 != main_~this_buffer_empty~0#1 && !(0 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2))); {2897#false} is VALID [2022-02-20 16:07:22,227 INFO L290 TraceCheckUtils]: 23: Hoare triple {2897#false} assume !false; {2897#false} is VALID [2022-02-20 16:07:22,227 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-02-20 16:07:22,227 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 16:07:22,227 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [799098793] [2022-02-20 16:07:22,227 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [799098793] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 16:07:22,228 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 16:07:22,228 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-02-20 16:07:22,228 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1594898002] [2022-02-20 16:07:22,228 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 16:07:22,228 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2022-02-20 16:07:22,228 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 16:07:22,229 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:07:22,242 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 22 edges. 22 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 16:07:22,242 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-20 16:07:22,242 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 16:07:22,243 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-20 16:07:22,243 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-20 16:07:22,243 INFO L87 Difference]: Start difference. First operand 131 states and 211 transitions. Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:07:22,388 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 16:07:22,388 INFO L93 Difference]: Finished difference Result 267 states and 431 transitions. [2022-02-20 16:07:22,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-20 16:07:22,389 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2022-02-20 16:07:22,389 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 16:07:22,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:07:22,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 364 transitions. [2022-02-20 16:07:22,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:07:22,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 364 transitions. [2022-02-20 16:07:22,393 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 364 transitions. [2022-02-20 16:07:22,642 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 364 edges. 364 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 16:07:22,644 INFO L225 Difference]: With dead ends: 267 [2022-02-20 16:07:22,644 INFO L226 Difference]: Without dead ends: 139 [2022-02-20 16:07:22,644 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-20 16:07:22,645 INFO L933 BasicCegarLoop]: 177 mSDtfsCounter, 35 mSDsluCounter, 129 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 306 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-20 16:07:22,645 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [35 Valid, 306 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-20 16:07:22,645 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states. [2022-02-20 16:07:22,648 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 137. [2022-02-20 16:07:22,648 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 16:07:22,648 INFO L82 GeneralOperation]: Start isEquivalent. First operand 139 states. Second operand has 137 states, 136 states have (on average 1.6029411764705883) internal successors, (218), 136 states have internal predecessors, (218), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:07:22,649 INFO L74 IsIncluded]: Start isIncluded. First operand 139 states. Second operand has 137 states, 136 states have (on average 1.6029411764705883) internal successors, (218), 136 states have internal predecessors, (218), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:07:22,649 INFO L87 Difference]: Start difference. First operand 139 states. Second operand has 137 states, 136 states have (on average 1.6029411764705883) internal successors, (218), 136 states have internal predecessors, (218), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:07:22,650 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 16:07:22,651 INFO L93 Difference]: Finished difference Result 139 states and 219 transitions. [2022-02-20 16:07:22,651 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 219 transitions. [2022-02-20 16:07:22,651 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 16:07:22,651 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 16:07:22,652 INFO L74 IsIncluded]: Start isIncluded. First operand has 137 states, 136 states have (on average 1.6029411764705883) internal successors, (218), 136 states have internal predecessors, (218), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 139 states. [2022-02-20 16:07:22,652 INFO L87 Difference]: Start difference. First operand has 137 states, 136 states have (on average 1.6029411764705883) internal successors, (218), 136 states have internal predecessors, (218), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 139 states. [2022-02-20 16:07:22,653 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 16:07:22,654 INFO L93 Difference]: Finished difference Result 139 states and 219 transitions. [2022-02-20 16:07:22,654 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 219 transitions. [2022-02-20 16:07:22,654 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 16:07:22,654 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 16:07:22,654 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 16:07:22,654 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 16:07:22,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 137 states, 136 states have (on average 1.6029411764705883) internal successors, (218), 136 states have internal predecessors, (218), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:07:22,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 218 transitions. [2022-02-20 16:07:22,656 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 218 transitions. Word has length 24 [2022-02-20 16:07:22,656 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 16:07:22,656 INFO L470 AbstractCegarLoop]: Abstraction has 137 states and 218 transitions. [2022-02-20 16:07:22,656 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:07:22,657 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 218 transitions. [2022-02-20 16:07:22,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-02-20 16:07:22,657 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 16:07:22,657 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 16:07:22,657 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-02-20 16:07:22,657 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-20 16:07:22,658 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 16:07:22,658 INFO L85 PathProgramCache]: Analyzing trace with hash 1813922334, now seen corresponding path program 1 times [2022-02-20 16:07:22,658 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 16:07:22,658 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1539984835] [2022-02-20 16:07:22,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 16:07:22,658 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 16:07:22,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 16:07:22,710 INFO L290 TraceCheckUtils]: 0: Hoare triple {3606#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(16, 2);call #Ultimate.allocInit(12, 3);~m_Protocol~0 := 1;~m_msg_2~0 := 2;~m_recv_ack_2~0 := 3;~m_msg_1_1~0 := 4;~m_msg_1_2~0 := 5;~m_recv_ack_1_1~0 := 6;~m_recv_ack_1_2~0 := 7; {3606#true} is VALID [2022-02-20 16:07:22,711 INFO L290 TraceCheckUtils]: 1: Hoare triple {3606#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~nondet5#1, main_#t~nondet6#1, main_#t~nondet7#1, main_#t~nondet8#1, main_#t~nondet9#1, main_#t~nondet10#1, main_#t~nondet11#1, main_#t~nondet12#1, main_#t~nondet13#1, main_#t~nondet14#1, main_#t~nondet15#1, main_#t~nondet16#1, main_#t~nondet17#1, main_#t~nondet18#1, main_#t~nondet19#1, main_#t~nondet20#1, main_#t~nondet21#1, main_#t~nondet22#1, main_#t~nondet23#1, main_#t~nondet24#1, main_#t~nondet25#1, main_#t~nondet26#1, main_#t~nondet27#1, main_#t~nondet28#1, main_#t~nondet29#1, main_#t~nondet30#1, main_#t~nondet31#1, main_#t~nondet32#1, main_#t~nondet33#1, main_#t~nondet34#1, main_#t~nondet35#1, main_#t~nondet36#1, main_#t~nondet37#1, main_#t~nondet38#1, main_#t~nondet39#1, main_#t~nondet40#1, main_#t~nondet41#1, main_#t~nondet42#1, main_#t~nondet43#1, main_~P1~0#1, main_~P2~0#1, main_~P3~0#1, main_~P4~0#1, main_~P5~0#1, main_~P6~0#1, main_~P7~0#1, main_~P8~0#1, main_~P9~0#1, main_~q~0#1, main_~method_id~0#1, main_~this_expect~0#1, main_~this_buffer_empty~0#1;main_~q~0#1 := 0;havoc main_~method_id~0#1;main_~this_expect~0#1 := 0;main_~this_buffer_empty~0#1 := 0; {3606#true} is VALID [2022-02-20 16:07:22,711 INFO L290 TraceCheckUtils]: 2: Hoare triple {3606#true} goto; {3606#true} is VALID [2022-02-20 16:07:22,711 INFO L290 TraceCheckUtils]: 3: Hoare triple {3606#true} assume !false;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_~P1~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647;main_~P2~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647;main_~P3~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;assume -2147483648 <= main_#t~nondet7#1 && main_#t~nondet7#1 <= 2147483647;main_~P4~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;assume -2147483648 <= main_#t~nondet8#1 && main_#t~nondet8#1 <= 2147483647;main_~P5~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647;main_~P6~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1;assume -2147483648 <= main_#t~nondet10#1 && main_#t~nondet10#1 <= 2147483647;main_~P7~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;assume -2147483648 <= main_#t~nondet11#1 && main_#t~nondet11#1 <= 2147483647;main_~P8~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;assume -2147483648 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 2147483647;main_~P9~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; {3606#true} is VALID [2022-02-20 16:07:22,711 INFO L290 TraceCheckUtils]: 4: Hoare triple {3606#true} assume !(main_~this_expect~0#1 > 16); {3606#true} is VALID [2022-02-20 16:07:22,711 INFO L290 TraceCheckUtils]: 5: Hoare triple {3606#true} assume 0 == main_~q~0#1;assume -2147483648 <= main_#t~nondet13#1 && main_#t~nondet13#1 <= 2147483647; {3606#true} is VALID [2022-02-20 16:07:22,712 INFO L290 TraceCheckUtils]: 6: Hoare triple {3606#true} assume 0 != main_#t~nondet13#1;havoc main_#t~nondet13#1; {3606#true} is VALID [2022-02-20 16:07:22,712 INFO L290 TraceCheckUtils]: 7: Hoare triple {3606#true} main_~method_id~0#1 := 1; {3606#true} is VALID [2022-02-20 16:07:22,712 INFO L290 TraceCheckUtils]: 8: Hoare triple {3606#true} assume !false;main_~q~0#1 := 1;main_~this_expect~0#1 := 0;main_~this_buffer_empty~0#1 := 1; {3608#(= (+ (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 0)} is VALID [2022-02-20 16:07:22,712 INFO L290 TraceCheckUtils]: 9: Hoare triple {3608#(= (+ (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 0)} assume !false;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_~P1~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647;main_~P2~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647;main_~P3~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;assume -2147483648 <= main_#t~nondet7#1 && main_#t~nondet7#1 <= 2147483647;main_~P4~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;assume -2147483648 <= main_#t~nondet8#1 && main_#t~nondet8#1 <= 2147483647;main_~P5~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647;main_~P6~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1;assume -2147483648 <= main_#t~nondet10#1 && main_#t~nondet10#1 <= 2147483647;main_~P7~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;assume -2147483648 <= main_#t~nondet11#1 && main_#t~nondet11#1 <= 2147483647;main_~P8~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;assume -2147483648 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 2147483647;main_~P9~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; {3608#(= (+ (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 0)} is VALID [2022-02-20 16:07:22,713 INFO L290 TraceCheckUtils]: 10: Hoare triple {3608#(= (+ (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 0)} assume !(main_~this_expect~0#1 > 16); {3608#(= (+ (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 0)} is VALID [2022-02-20 16:07:22,713 INFO L290 TraceCheckUtils]: 11: Hoare triple {3608#(= (+ (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 0)} assume !(0 == main_~q~0#1); {3608#(= (+ (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 0)} is VALID [2022-02-20 16:07:22,713 INFO L290 TraceCheckUtils]: 12: Hoare triple {3608#(= (+ (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 0)} assume 1 == main_~q~0#1;assume -2147483648 <= main_#t~nondet14#1 && main_#t~nondet14#1 <= 2147483647; {3608#(= (+ (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 0)} is VALID [2022-02-20 16:07:22,714 INFO L290 TraceCheckUtils]: 13: Hoare triple {3608#(= (+ (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 0)} assume 0 != main_#t~nondet14#1;havoc main_#t~nondet14#1; {3608#(= (+ (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 0)} is VALID [2022-02-20 16:07:22,714 INFO L290 TraceCheckUtils]: 14: Hoare triple {3608#(= (+ (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 0)} assume !(0 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2));main_~method_id~0#1 := 2; {3608#(= (+ (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 0)} is VALID [2022-02-20 16:07:22,714 INFO L290 TraceCheckUtils]: 15: Hoare triple {3608#(= (+ (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 0)} assume !((((if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2) != (if main_~this_expect~0#1 < 0 && 0 != main_~this_expect~0#1 % 2 then main_~this_expect~0#1 % 2 - 2 else main_~this_expect~0#1 % 2) && 1 == main_~this_buffer_empty~0#1) && !(0 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2))) || (1 != main_~this_buffer_empty~0#1 && !(0 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2))));main_~q~0#1 := 3;main_~this_expect~0#1 := 1 + main_~this_expect~0#1;main_~this_buffer_empty~0#1 := 1 - main_~this_buffer_empty~0#1; {3609#(<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0)} is VALID [2022-02-20 16:07:22,715 INFO L290 TraceCheckUtils]: 16: Hoare triple {3609#(<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0)} assume !false;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_~P1~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647;main_~P2~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647;main_~P3~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;assume -2147483648 <= main_#t~nondet7#1 && main_#t~nondet7#1 <= 2147483647;main_~P4~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;assume -2147483648 <= main_#t~nondet8#1 && main_#t~nondet8#1 <= 2147483647;main_~P5~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647;main_~P6~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1;assume -2147483648 <= main_#t~nondet10#1 && main_#t~nondet10#1 <= 2147483647;main_~P7~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;assume -2147483648 <= main_#t~nondet11#1 && main_#t~nondet11#1 <= 2147483647;main_~P8~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;assume -2147483648 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 2147483647;main_~P9~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; {3609#(<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0)} is VALID [2022-02-20 16:07:22,715 INFO L290 TraceCheckUtils]: 17: Hoare triple {3609#(<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0)} assume !(main_~this_expect~0#1 > 16); {3609#(<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0)} is VALID [2022-02-20 16:07:22,715 INFO L290 TraceCheckUtils]: 18: Hoare triple {3609#(<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0)} assume !(0 == main_~q~0#1); {3609#(<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0)} is VALID [2022-02-20 16:07:22,716 INFO L290 TraceCheckUtils]: 19: Hoare triple {3609#(<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0)} assume !(1 == main_~q~0#1); {3609#(<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0)} is VALID [2022-02-20 16:07:22,716 INFO L290 TraceCheckUtils]: 20: Hoare triple {3609#(<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0)} assume !(2 == main_~q~0#1); {3609#(<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0)} is VALID [2022-02-20 16:07:22,716 INFO L290 TraceCheckUtils]: 21: Hoare triple {3609#(<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0)} assume 3 == main_~q~0#1;assume -2147483648 <= main_#t~nondet26#1 && main_#t~nondet26#1 <= 2147483647; {3609#(<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0)} is VALID [2022-02-20 16:07:22,717 INFO L290 TraceCheckUtils]: 22: Hoare triple {3609#(<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0)} assume 0 != main_#t~nondet26#1;havoc main_#t~nondet26#1; {3609#(<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0)} is VALID [2022-02-20 16:07:22,717 INFO L290 TraceCheckUtils]: 23: Hoare triple {3609#(<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0)} assume !(0 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2));main_~method_id~0#1 := 2; {3609#(<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0)} is VALID [2022-02-20 16:07:22,717 INFO L290 TraceCheckUtils]: 24: Hoare triple {3609#(<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0)} assume ((if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2) == (if main_~this_expect~0#1 < 0 && 0 != main_~this_expect~0#1 % 2 then main_~this_expect~0#1 % 2 - 2 else main_~this_expect~0#1 % 2) && 1 == main_~this_buffer_empty~0#1) && !(0 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2)); {3607#false} is VALID [2022-02-20 16:07:22,718 INFO L290 TraceCheckUtils]: 25: Hoare triple {3607#false} assume !false; {3607#false} is VALID [2022-02-20 16:07:22,718 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 16:07:22,718 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 16:07:22,718 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1539984835] [2022-02-20 16:07:22,718 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1539984835] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-20 16:07:22,718 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1281692428] [2022-02-20 16:07:22,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 16:07:22,719 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 16:07:22,719 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 16:07:22,740 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-20 16:07:22,753 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-02-20 16:07:22,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 16:07:22,810 INFO L263 TraceCheckSpWp]: Trace formula consists of 207 conjuncts, 3 conjunts are in the unsatisfiable core [2022-02-20 16:07:22,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 16:07:22,839 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-20 16:07:22,961 INFO L290 TraceCheckUtils]: 0: Hoare triple {3606#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(16, 2);call #Ultimate.allocInit(12, 3);~m_Protocol~0 := 1;~m_msg_2~0 := 2;~m_recv_ack_2~0 := 3;~m_msg_1_1~0 := 4;~m_msg_1_2~0 := 5;~m_recv_ack_1_1~0 := 6;~m_recv_ack_1_2~0 := 7; {3606#true} is VALID [2022-02-20 16:07:22,961 INFO L290 TraceCheckUtils]: 1: Hoare triple {3606#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~nondet5#1, main_#t~nondet6#1, main_#t~nondet7#1, main_#t~nondet8#1, main_#t~nondet9#1, main_#t~nondet10#1, main_#t~nondet11#1, main_#t~nondet12#1, main_#t~nondet13#1, main_#t~nondet14#1, main_#t~nondet15#1, main_#t~nondet16#1, main_#t~nondet17#1, main_#t~nondet18#1, main_#t~nondet19#1, main_#t~nondet20#1, main_#t~nondet21#1, main_#t~nondet22#1, main_#t~nondet23#1, main_#t~nondet24#1, main_#t~nondet25#1, main_#t~nondet26#1, main_#t~nondet27#1, main_#t~nondet28#1, main_#t~nondet29#1, main_#t~nondet30#1, main_#t~nondet31#1, main_#t~nondet32#1, main_#t~nondet33#1, main_#t~nondet34#1, main_#t~nondet35#1, main_#t~nondet36#1, main_#t~nondet37#1, main_#t~nondet38#1, main_#t~nondet39#1, main_#t~nondet40#1, main_#t~nondet41#1, main_#t~nondet42#1, main_#t~nondet43#1, main_~P1~0#1, main_~P2~0#1, main_~P3~0#1, main_~P4~0#1, main_~P5~0#1, main_~P6~0#1, main_~P7~0#1, main_~P8~0#1, main_~P9~0#1, main_~q~0#1, main_~method_id~0#1, main_~this_expect~0#1, main_~this_buffer_empty~0#1;main_~q~0#1 := 0;havoc main_~method_id~0#1;main_~this_expect~0#1 := 0;main_~this_buffer_empty~0#1 := 0; {3606#true} is VALID [2022-02-20 16:07:22,961 INFO L290 TraceCheckUtils]: 2: Hoare triple {3606#true} goto; {3606#true} is VALID [2022-02-20 16:07:22,962 INFO L290 TraceCheckUtils]: 3: Hoare triple {3606#true} assume !false;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_~P1~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647;main_~P2~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647;main_~P3~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;assume -2147483648 <= main_#t~nondet7#1 && main_#t~nondet7#1 <= 2147483647;main_~P4~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;assume -2147483648 <= main_#t~nondet8#1 && main_#t~nondet8#1 <= 2147483647;main_~P5~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647;main_~P6~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1;assume -2147483648 <= main_#t~nondet10#1 && main_#t~nondet10#1 <= 2147483647;main_~P7~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;assume -2147483648 <= main_#t~nondet11#1 && main_#t~nondet11#1 <= 2147483647;main_~P8~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;assume -2147483648 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 2147483647;main_~P9~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; {3606#true} is VALID [2022-02-20 16:07:22,962 INFO L290 TraceCheckUtils]: 4: Hoare triple {3606#true} assume !(main_~this_expect~0#1 > 16); {3606#true} is VALID [2022-02-20 16:07:22,962 INFO L290 TraceCheckUtils]: 5: Hoare triple {3606#true} assume 0 == main_~q~0#1;assume -2147483648 <= main_#t~nondet13#1 && main_#t~nondet13#1 <= 2147483647; {3606#true} is VALID [2022-02-20 16:07:22,962 INFO L290 TraceCheckUtils]: 6: Hoare triple {3606#true} assume 0 != main_#t~nondet13#1;havoc main_#t~nondet13#1; {3606#true} is VALID [2022-02-20 16:07:22,962 INFO L290 TraceCheckUtils]: 7: Hoare triple {3606#true} main_~method_id~0#1 := 1; {3606#true} is VALID [2022-02-20 16:07:22,973 INFO L290 TraceCheckUtils]: 8: Hoare triple {3606#true} assume !false;main_~q~0#1 := 1;main_~this_expect~0#1 := 0;main_~this_buffer_empty~0#1 := 1; {3637#(<= 1 |ULTIMATE.start_main_~this_buffer_empty~0#1|)} is VALID [2022-02-20 16:07:22,973 INFO L290 TraceCheckUtils]: 9: Hoare triple {3637#(<= 1 |ULTIMATE.start_main_~this_buffer_empty~0#1|)} assume !false;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_~P1~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647;main_~P2~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647;main_~P3~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;assume -2147483648 <= main_#t~nondet7#1 && main_#t~nondet7#1 <= 2147483647;main_~P4~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;assume -2147483648 <= main_#t~nondet8#1 && main_#t~nondet8#1 <= 2147483647;main_~P5~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647;main_~P6~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1;assume -2147483648 <= main_#t~nondet10#1 && main_#t~nondet10#1 <= 2147483647;main_~P7~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;assume -2147483648 <= main_#t~nondet11#1 && main_#t~nondet11#1 <= 2147483647;main_~P8~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;assume -2147483648 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 2147483647;main_~P9~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; {3637#(<= 1 |ULTIMATE.start_main_~this_buffer_empty~0#1|)} is VALID [2022-02-20 16:07:22,974 INFO L290 TraceCheckUtils]: 10: Hoare triple {3637#(<= 1 |ULTIMATE.start_main_~this_buffer_empty~0#1|)} assume !(main_~this_expect~0#1 > 16); {3637#(<= 1 |ULTIMATE.start_main_~this_buffer_empty~0#1|)} is VALID [2022-02-20 16:07:22,974 INFO L290 TraceCheckUtils]: 11: Hoare triple {3637#(<= 1 |ULTIMATE.start_main_~this_buffer_empty~0#1|)} assume !(0 == main_~q~0#1); {3637#(<= 1 |ULTIMATE.start_main_~this_buffer_empty~0#1|)} is VALID [2022-02-20 16:07:22,974 INFO L290 TraceCheckUtils]: 12: Hoare triple {3637#(<= 1 |ULTIMATE.start_main_~this_buffer_empty~0#1|)} assume 1 == main_~q~0#1;assume -2147483648 <= main_#t~nondet14#1 && main_#t~nondet14#1 <= 2147483647; {3637#(<= 1 |ULTIMATE.start_main_~this_buffer_empty~0#1|)} is VALID [2022-02-20 16:07:22,975 INFO L290 TraceCheckUtils]: 13: Hoare triple {3637#(<= 1 |ULTIMATE.start_main_~this_buffer_empty~0#1|)} assume 0 != main_#t~nondet14#1;havoc main_#t~nondet14#1; {3637#(<= 1 |ULTIMATE.start_main_~this_buffer_empty~0#1|)} is VALID [2022-02-20 16:07:22,975 INFO L290 TraceCheckUtils]: 14: Hoare triple {3637#(<= 1 |ULTIMATE.start_main_~this_buffer_empty~0#1|)} assume !(0 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2));main_~method_id~0#1 := 2; {3637#(<= 1 |ULTIMATE.start_main_~this_buffer_empty~0#1|)} is VALID [2022-02-20 16:07:22,976 INFO L290 TraceCheckUtils]: 15: Hoare triple {3637#(<= 1 |ULTIMATE.start_main_~this_buffer_empty~0#1|)} assume !((((if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2) != (if main_~this_expect~0#1 < 0 && 0 != main_~this_expect~0#1 % 2 then main_~this_expect~0#1 % 2 - 2 else main_~this_expect~0#1 % 2) && 1 == main_~this_buffer_empty~0#1) && !(0 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2))) || (1 != main_~this_buffer_empty~0#1 && !(0 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2))));main_~q~0#1 := 3;main_~this_expect~0#1 := 1 + main_~this_expect~0#1;main_~this_buffer_empty~0#1 := 1 - main_~this_buffer_empty~0#1; {3609#(<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0)} is VALID [2022-02-20 16:07:22,976 INFO L290 TraceCheckUtils]: 16: Hoare triple {3609#(<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0)} assume !false;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_~P1~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647;main_~P2~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647;main_~P3~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;assume -2147483648 <= main_#t~nondet7#1 && main_#t~nondet7#1 <= 2147483647;main_~P4~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;assume -2147483648 <= main_#t~nondet8#1 && main_#t~nondet8#1 <= 2147483647;main_~P5~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647;main_~P6~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1;assume -2147483648 <= main_#t~nondet10#1 && main_#t~nondet10#1 <= 2147483647;main_~P7~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;assume -2147483648 <= main_#t~nondet11#1 && main_#t~nondet11#1 <= 2147483647;main_~P8~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;assume -2147483648 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 2147483647;main_~P9~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; {3609#(<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0)} is VALID [2022-02-20 16:07:22,977 INFO L290 TraceCheckUtils]: 17: Hoare triple {3609#(<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0)} assume !(main_~this_expect~0#1 > 16); {3609#(<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0)} is VALID [2022-02-20 16:07:22,977 INFO L290 TraceCheckUtils]: 18: Hoare triple {3609#(<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0)} assume !(0 == main_~q~0#1); {3609#(<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0)} is VALID [2022-02-20 16:07:22,977 INFO L290 TraceCheckUtils]: 19: Hoare triple {3609#(<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0)} assume !(1 == main_~q~0#1); {3609#(<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0)} is VALID [2022-02-20 16:07:22,978 INFO L290 TraceCheckUtils]: 20: Hoare triple {3609#(<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0)} assume !(2 == main_~q~0#1); {3609#(<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0)} is VALID [2022-02-20 16:07:22,978 INFO L290 TraceCheckUtils]: 21: Hoare triple {3609#(<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0)} assume 3 == main_~q~0#1;assume -2147483648 <= main_#t~nondet26#1 && main_#t~nondet26#1 <= 2147483647; {3609#(<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0)} is VALID [2022-02-20 16:07:22,978 INFO L290 TraceCheckUtils]: 22: Hoare triple {3609#(<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0)} assume 0 != main_#t~nondet26#1;havoc main_#t~nondet26#1; {3609#(<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0)} is VALID [2022-02-20 16:07:22,979 INFO L290 TraceCheckUtils]: 23: Hoare triple {3609#(<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0)} assume !(0 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2));main_~method_id~0#1 := 2; {3609#(<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0)} is VALID [2022-02-20 16:07:22,979 INFO L290 TraceCheckUtils]: 24: Hoare triple {3609#(<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0)} assume ((if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2) == (if main_~this_expect~0#1 < 0 && 0 != main_~this_expect~0#1 % 2 then main_~this_expect~0#1 % 2 - 2 else main_~this_expect~0#1 % 2) && 1 == main_~this_buffer_empty~0#1) && !(0 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2)); {3607#false} is VALID [2022-02-20 16:07:22,979 INFO L290 TraceCheckUtils]: 25: Hoare triple {3607#false} assume !false; {3607#false} is VALID [2022-02-20 16:07:22,980 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 16:07:22,980 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-20 16:07:23,086 INFO L290 TraceCheckUtils]: 25: Hoare triple {3607#false} assume !false; {3607#false} is VALID [2022-02-20 16:07:23,087 INFO L290 TraceCheckUtils]: 24: Hoare triple {3609#(<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0)} assume ((if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2) == (if main_~this_expect~0#1 < 0 && 0 != main_~this_expect~0#1 % 2 then main_~this_expect~0#1 % 2 - 2 else main_~this_expect~0#1 % 2) && 1 == main_~this_buffer_empty~0#1) && !(0 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2)); {3607#false} is VALID [2022-02-20 16:07:23,087 INFO L290 TraceCheckUtils]: 23: Hoare triple {3609#(<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0)} assume !(0 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2));main_~method_id~0#1 := 2; {3609#(<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0)} is VALID [2022-02-20 16:07:23,088 INFO L290 TraceCheckUtils]: 22: Hoare triple {3609#(<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0)} assume 0 != main_#t~nondet26#1;havoc main_#t~nondet26#1; {3609#(<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0)} is VALID [2022-02-20 16:07:23,088 INFO L290 TraceCheckUtils]: 21: Hoare triple {3609#(<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0)} assume 3 == main_~q~0#1;assume -2147483648 <= main_#t~nondet26#1 && main_#t~nondet26#1 <= 2147483647; {3609#(<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0)} is VALID [2022-02-20 16:07:23,088 INFO L290 TraceCheckUtils]: 20: Hoare triple {3609#(<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0)} assume !(2 == main_~q~0#1); {3609#(<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0)} is VALID [2022-02-20 16:07:23,089 INFO L290 TraceCheckUtils]: 19: Hoare triple {3609#(<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0)} assume !(1 == main_~q~0#1); {3609#(<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0)} is VALID [2022-02-20 16:07:23,089 INFO L290 TraceCheckUtils]: 18: Hoare triple {3609#(<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0)} assume !(0 == main_~q~0#1); {3609#(<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0)} is VALID [2022-02-20 16:07:23,089 INFO L290 TraceCheckUtils]: 17: Hoare triple {3609#(<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0)} assume !(main_~this_expect~0#1 > 16); {3609#(<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0)} is VALID [2022-02-20 16:07:23,090 INFO L290 TraceCheckUtils]: 16: Hoare triple {3609#(<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0)} assume !false;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_~P1~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647;main_~P2~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647;main_~P3~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;assume -2147483648 <= main_#t~nondet7#1 && main_#t~nondet7#1 <= 2147483647;main_~P4~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;assume -2147483648 <= main_#t~nondet8#1 && main_#t~nondet8#1 <= 2147483647;main_~P5~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647;main_~P6~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1;assume -2147483648 <= main_#t~nondet10#1 && main_#t~nondet10#1 <= 2147483647;main_~P7~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;assume -2147483648 <= main_#t~nondet11#1 && main_#t~nondet11#1 <= 2147483647;main_~P8~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;assume -2147483648 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 2147483647;main_~P9~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; {3609#(<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0)} is VALID [2022-02-20 16:07:23,090 INFO L290 TraceCheckUtils]: 15: Hoare triple {3637#(<= 1 |ULTIMATE.start_main_~this_buffer_empty~0#1|)} assume !((((if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2) != (if main_~this_expect~0#1 < 0 && 0 != main_~this_expect~0#1 % 2 then main_~this_expect~0#1 % 2 - 2 else main_~this_expect~0#1 % 2) && 1 == main_~this_buffer_empty~0#1) && !(0 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2))) || (1 != main_~this_buffer_empty~0#1 && !(0 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2))));main_~q~0#1 := 3;main_~this_expect~0#1 := 1 + main_~this_expect~0#1;main_~this_buffer_empty~0#1 := 1 - main_~this_buffer_empty~0#1; {3609#(<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0)} is VALID [2022-02-20 16:07:23,091 INFO L290 TraceCheckUtils]: 14: Hoare triple {3637#(<= 1 |ULTIMATE.start_main_~this_buffer_empty~0#1|)} assume !(0 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2));main_~method_id~0#1 := 2; {3637#(<= 1 |ULTIMATE.start_main_~this_buffer_empty~0#1|)} is VALID [2022-02-20 16:07:23,091 INFO L290 TraceCheckUtils]: 13: Hoare triple {3637#(<= 1 |ULTIMATE.start_main_~this_buffer_empty~0#1|)} assume 0 != main_#t~nondet14#1;havoc main_#t~nondet14#1; {3637#(<= 1 |ULTIMATE.start_main_~this_buffer_empty~0#1|)} is VALID [2022-02-20 16:07:23,091 INFO L290 TraceCheckUtils]: 12: Hoare triple {3637#(<= 1 |ULTIMATE.start_main_~this_buffer_empty~0#1|)} assume 1 == main_~q~0#1;assume -2147483648 <= main_#t~nondet14#1 && main_#t~nondet14#1 <= 2147483647; {3637#(<= 1 |ULTIMATE.start_main_~this_buffer_empty~0#1|)} is VALID [2022-02-20 16:07:23,092 INFO L290 TraceCheckUtils]: 11: Hoare triple {3637#(<= 1 |ULTIMATE.start_main_~this_buffer_empty~0#1|)} assume !(0 == main_~q~0#1); {3637#(<= 1 |ULTIMATE.start_main_~this_buffer_empty~0#1|)} is VALID [2022-02-20 16:07:23,092 INFO L290 TraceCheckUtils]: 10: Hoare triple {3637#(<= 1 |ULTIMATE.start_main_~this_buffer_empty~0#1|)} assume !(main_~this_expect~0#1 > 16); {3637#(<= 1 |ULTIMATE.start_main_~this_buffer_empty~0#1|)} is VALID [2022-02-20 16:07:23,092 INFO L290 TraceCheckUtils]: 9: Hoare triple {3637#(<= 1 |ULTIMATE.start_main_~this_buffer_empty~0#1|)} assume !false;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_~P1~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647;main_~P2~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647;main_~P3~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;assume -2147483648 <= main_#t~nondet7#1 && main_#t~nondet7#1 <= 2147483647;main_~P4~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;assume -2147483648 <= main_#t~nondet8#1 && main_#t~nondet8#1 <= 2147483647;main_~P5~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647;main_~P6~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1;assume -2147483648 <= main_#t~nondet10#1 && main_#t~nondet10#1 <= 2147483647;main_~P7~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;assume -2147483648 <= main_#t~nondet11#1 && main_#t~nondet11#1 <= 2147483647;main_~P8~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;assume -2147483648 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 2147483647;main_~P9~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; {3637#(<= 1 |ULTIMATE.start_main_~this_buffer_empty~0#1|)} is VALID [2022-02-20 16:07:23,093 INFO L290 TraceCheckUtils]: 8: Hoare triple {3606#true} assume !false;main_~q~0#1 := 1;main_~this_expect~0#1 := 0;main_~this_buffer_empty~0#1 := 1; {3637#(<= 1 |ULTIMATE.start_main_~this_buffer_empty~0#1|)} is VALID [2022-02-20 16:07:23,093 INFO L290 TraceCheckUtils]: 7: Hoare triple {3606#true} main_~method_id~0#1 := 1; {3606#true} is VALID [2022-02-20 16:07:23,093 INFO L290 TraceCheckUtils]: 6: Hoare triple {3606#true} assume 0 != main_#t~nondet13#1;havoc main_#t~nondet13#1; {3606#true} is VALID [2022-02-20 16:07:23,093 INFO L290 TraceCheckUtils]: 5: Hoare triple {3606#true} assume 0 == main_~q~0#1;assume -2147483648 <= main_#t~nondet13#1 && main_#t~nondet13#1 <= 2147483647; {3606#true} is VALID [2022-02-20 16:07:23,093 INFO L290 TraceCheckUtils]: 4: Hoare triple {3606#true} assume !(main_~this_expect~0#1 > 16); {3606#true} is VALID [2022-02-20 16:07:23,093 INFO L290 TraceCheckUtils]: 3: Hoare triple {3606#true} assume !false;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_~P1~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647;main_~P2~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647;main_~P3~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;assume -2147483648 <= main_#t~nondet7#1 && main_#t~nondet7#1 <= 2147483647;main_~P4~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;assume -2147483648 <= main_#t~nondet8#1 && main_#t~nondet8#1 <= 2147483647;main_~P5~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647;main_~P6~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1;assume -2147483648 <= main_#t~nondet10#1 && main_#t~nondet10#1 <= 2147483647;main_~P7~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;assume -2147483648 <= main_#t~nondet11#1 && main_#t~nondet11#1 <= 2147483647;main_~P8~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;assume -2147483648 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 2147483647;main_~P9~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; {3606#true} is VALID [2022-02-20 16:07:23,094 INFO L290 TraceCheckUtils]: 2: Hoare triple {3606#true} goto; {3606#true} is VALID [2022-02-20 16:07:23,094 INFO L290 TraceCheckUtils]: 1: Hoare triple {3606#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~nondet5#1, main_#t~nondet6#1, main_#t~nondet7#1, main_#t~nondet8#1, main_#t~nondet9#1, main_#t~nondet10#1, main_#t~nondet11#1, main_#t~nondet12#1, main_#t~nondet13#1, main_#t~nondet14#1, main_#t~nondet15#1, main_#t~nondet16#1, main_#t~nondet17#1, main_#t~nondet18#1, main_#t~nondet19#1, main_#t~nondet20#1, main_#t~nondet21#1, main_#t~nondet22#1, main_#t~nondet23#1, main_#t~nondet24#1, main_#t~nondet25#1, main_#t~nondet26#1, main_#t~nondet27#1, main_#t~nondet28#1, main_#t~nondet29#1, main_#t~nondet30#1, main_#t~nondet31#1, main_#t~nondet32#1, main_#t~nondet33#1, main_#t~nondet34#1, main_#t~nondet35#1, main_#t~nondet36#1, main_#t~nondet37#1, main_#t~nondet38#1, main_#t~nondet39#1, main_#t~nondet40#1, main_#t~nondet41#1, main_#t~nondet42#1, main_#t~nondet43#1, main_~P1~0#1, main_~P2~0#1, main_~P3~0#1, main_~P4~0#1, main_~P5~0#1, main_~P6~0#1, main_~P7~0#1, main_~P8~0#1, main_~P9~0#1, main_~q~0#1, main_~method_id~0#1, main_~this_expect~0#1, main_~this_buffer_empty~0#1;main_~q~0#1 := 0;havoc main_~method_id~0#1;main_~this_expect~0#1 := 0;main_~this_buffer_empty~0#1 := 0; {3606#true} is VALID [2022-02-20 16:07:23,094 INFO L290 TraceCheckUtils]: 0: Hoare triple {3606#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(16, 2);call #Ultimate.allocInit(12, 3);~m_Protocol~0 := 1;~m_msg_2~0 := 2;~m_recv_ack_2~0 := 3;~m_msg_1_1~0 := 4;~m_msg_1_2~0 := 5;~m_recv_ack_1_1~0 := 6;~m_recv_ack_1_2~0 := 7; {3606#true} is VALID [2022-02-20 16:07:23,094 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 16:07:23,094 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1281692428] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-20 16:07:23,094 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-20 16:07:23,094 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 5 [2022-02-20 16:07:23,095 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [81894571] [2022-02-20 16:07:23,095 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-20 16:07:23,095 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 26 [2022-02-20 16:07:23,095 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 16:07:23,095 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:07:23,124 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 34 edges. 34 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 16:07:23,124 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-20 16:07:23,124 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 16:07:23,124 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-20 16:07:23,124 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-02-20 16:07:23,124 INFO L87 Difference]: Start difference. First operand 137 states and 218 transitions. Second operand has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:07:23,638 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 16:07:23,638 INFO L93 Difference]: Finished difference Result 258 states and 411 transitions. [2022-02-20 16:07:23,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-20 16:07:23,638 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 26 [2022-02-20 16:07:23,639 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 16:07:23,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:07:23,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 378 transitions. [2022-02-20 16:07:23,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:07:23,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 378 transitions. [2022-02-20 16:07:23,642 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states and 378 transitions. [2022-02-20 16:07:23,907 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 378 edges. 378 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 16:07:23,910 INFO L225 Difference]: With dead ends: 258 [2022-02-20 16:07:23,910 INFO L226 Difference]: Without dead ends: 243 [2022-02-20 16:07:23,910 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 50 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-02-20 16:07:23,911 INFO L933 BasicCegarLoop]: 285 mSDtfsCounter, 348 mSDsluCounter, 423 mSDsCounter, 0 mSdLazyCounter, 134 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 348 SdHoareTripleChecker+Valid, 708 SdHoareTripleChecker+Invalid, 167 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 134 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-20 16:07:23,911 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [348 Valid, 708 Invalid, 167 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 134 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-20 16:07:23,911 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 243 states. [2022-02-20 16:07:23,931 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 243 to 220. [2022-02-20 16:07:23,934 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 16:07:23,934 INFO L82 GeneralOperation]: Start isEquivalent. First operand 243 states. Second operand has 220 states, 219 states have (on average 1.6484018264840183) internal successors, (361), 219 states have internal predecessors, (361), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:07:23,934 INFO L74 IsIncluded]: Start isIncluded. First operand 243 states. Second operand has 220 states, 219 states have (on average 1.6484018264840183) internal successors, (361), 219 states have internal predecessors, (361), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:07:23,935 INFO L87 Difference]: Start difference. First operand 243 states. Second operand has 220 states, 219 states have (on average 1.6484018264840183) internal successors, (361), 219 states have internal predecessors, (361), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:07:23,938 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 16:07:23,938 INFO L93 Difference]: Finished difference Result 243 states and 384 transitions. [2022-02-20 16:07:23,939 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 384 transitions. [2022-02-20 16:07:23,939 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 16:07:23,940 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 16:07:23,940 INFO L74 IsIncluded]: Start isIncluded. First operand has 220 states, 219 states have (on average 1.6484018264840183) internal successors, (361), 219 states have internal predecessors, (361), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 243 states. [2022-02-20 16:07:23,941 INFO L87 Difference]: Start difference. First operand has 220 states, 219 states have (on average 1.6484018264840183) internal successors, (361), 219 states have internal predecessors, (361), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 243 states. [2022-02-20 16:07:23,945 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 16:07:23,946 INFO L93 Difference]: Finished difference Result 243 states and 384 transitions. [2022-02-20 16:07:23,946 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 384 transitions. [2022-02-20 16:07:23,946 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 16:07:23,946 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 16:07:23,946 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 16:07:23,946 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 16:07:23,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 220 states, 219 states have (on average 1.6484018264840183) internal successors, (361), 219 states have internal predecessors, (361), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:07:23,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 220 states and 361 transitions. [2022-02-20 16:07:23,950 INFO L78 Accepts]: Start accepts. Automaton has 220 states and 361 transitions. Word has length 26 [2022-02-20 16:07:23,950 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 16:07:23,950 INFO L470 AbstractCegarLoop]: Abstraction has 220 states and 361 transitions. [2022-02-20 16:07:23,950 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:07:23,950 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 361 transitions. [2022-02-20 16:07:23,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-02-20 16:07:23,951 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 16:07:23,951 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 16:07:23,970 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-02-20 16:07:24,168 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2022-02-20 16:07:24,168 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-20 16:07:24,169 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 16:07:24,169 INFO L85 PathProgramCache]: Analyzing trace with hash 408461028, now seen corresponding path program 1 times [2022-02-20 16:07:24,169 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 16:07:24,170 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2077940252] [2022-02-20 16:07:24,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 16:07:24,170 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 16:07:24,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 16:07:24,278 INFO L290 TraceCheckUtils]: 0: Hoare triple {4755#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(16, 2);call #Ultimate.allocInit(12, 3);~m_Protocol~0 := 1;~m_msg_2~0 := 2;~m_recv_ack_2~0 := 3;~m_msg_1_1~0 := 4;~m_msg_1_2~0 := 5;~m_recv_ack_1_1~0 := 6;~m_recv_ack_1_2~0 := 7; {4755#true} is VALID [2022-02-20 16:07:24,278 INFO L290 TraceCheckUtils]: 1: Hoare triple {4755#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~nondet5#1, main_#t~nondet6#1, main_#t~nondet7#1, main_#t~nondet8#1, main_#t~nondet9#1, main_#t~nondet10#1, main_#t~nondet11#1, main_#t~nondet12#1, main_#t~nondet13#1, main_#t~nondet14#1, main_#t~nondet15#1, main_#t~nondet16#1, main_#t~nondet17#1, main_#t~nondet18#1, main_#t~nondet19#1, main_#t~nondet20#1, main_#t~nondet21#1, main_#t~nondet22#1, main_#t~nondet23#1, main_#t~nondet24#1, main_#t~nondet25#1, main_#t~nondet26#1, main_#t~nondet27#1, main_#t~nondet28#1, main_#t~nondet29#1, main_#t~nondet30#1, main_#t~nondet31#1, main_#t~nondet32#1, main_#t~nondet33#1, main_#t~nondet34#1, main_#t~nondet35#1, main_#t~nondet36#1, main_#t~nondet37#1, main_#t~nondet38#1, main_#t~nondet39#1, main_#t~nondet40#1, main_#t~nondet41#1, main_#t~nondet42#1, main_#t~nondet43#1, main_~P1~0#1, main_~P2~0#1, main_~P3~0#1, main_~P4~0#1, main_~P5~0#1, main_~P6~0#1, main_~P7~0#1, main_~P8~0#1, main_~P9~0#1, main_~q~0#1, main_~method_id~0#1, main_~this_expect~0#1, main_~this_buffer_empty~0#1;main_~q~0#1 := 0;havoc main_~method_id~0#1;main_~this_expect~0#1 := 0;main_~this_buffer_empty~0#1 := 0; {4755#true} is VALID [2022-02-20 16:07:24,278 INFO L290 TraceCheckUtils]: 2: Hoare triple {4755#true} goto; {4755#true} is VALID [2022-02-20 16:07:24,278 INFO L290 TraceCheckUtils]: 3: Hoare triple {4755#true} assume !false;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_~P1~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647;main_~P2~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647;main_~P3~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;assume -2147483648 <= main_#t~nondet7#1 && main_#t~nondet7#1 <= 2147483647;main_~P4~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;assume -2147483648 <= main_#t~nondet8#1 && main_#t~nondet8#1 <= 2147483647;main_~P5~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647;main_~P6~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1;assume -2147483648 <= main_#t~nondet10#1 && main_#t~nondet10#1 <= 2147483647;main_~P7~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;assume -2147483648 <= main_#t~nondet11#1 && main_#t~nondet11#1 <= 2147483647;main_~P8~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;assume -2147483648 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 2147483647;main_~P9~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; {4755#true} is VALID [2022-02-20 16:07:24,279 INFO L290 TraceCheckUtils]: 4: Hoare triple {4755#true} assume !(main_~this_expect~0#1 > 16); {4755#true} is VALID [2022-02-20 16:07:24,279 INFO L290 TraceCheckUtils]: 5: Hoare triple {4755#true} assume 0 == main_~q~0#1;assume -2147483648 <= main_#t~nondet13#1 && main_#t~nondet13#1 <= 2147483647; {4755#true} is VALID [2022-02-20 16:07:24,279 INFO L290 TraceCheckUtils]: 6: Hoare triple {4755#true} assume 0 != main_#t~nondet13#1;havoc main_#t~nondet13#1; {4755#true} is VALID [2022-02-20 16:07:24,279 INFO L290 TraceCheckUtils]: 7: Hoare triple {4755#true} main_~method_id~0#1 := 1; {4755#true} is VALID [2022-02-20 16:07:24,279 INFO L290 TraceCheckUtils]: 8: Hoare triple {4755#true} assume !false;main_~q~0#1 := 1;main_~this_expect~0#1 := 0;main_~this_buffer_empty~0#1 := 1; {4757#(and (= |ULTIMATE.start_main_~this_expect~0#1| 0) (= (+ (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 0))} is VALID [2022-02-20 16:07:24,280 INFO L290 TraceCheckUtils]: 9: Hoare triple {4757#(and (= |ULTIMATE.start_main_~this_expect~0#1| 0) (= (+ (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 0))} assume !false;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_~P1~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647;main_~P2~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647;main_~P3~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;assume -2147483648 <= main_#t~nondet7#1 && main_#t~nondet7#1 <= 2147483647;main_~P4~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;assume -2147483648 <= main_#t~nondet8#1 && main_#t~nondet8#1 <= 2147483647;main_~P5~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647;main_~P6~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1;assume -2147483648 <= main_#t~nondet10#1 && main_#t~nondet10#1 <= 2147483647;main_~P7~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;assume -2147483648 <= main_#t~nondet11#1 && main_#t~nondet11#1 <= 2147483647;main_~P8~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;assume -2147483648 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 2147483647;main_~P9~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; {4757#(and (= |ULTIMATE.start_main_~this_expect~0#1| 0) (= (+ (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 0))} is VALID [2022-02-20 16:07:24,280 INFO L290 TraceCheckUtils]: 10: Hoare triple {4757#(and (= |ULTIMATE.start_main_~this_expect~0#1| 0) (= (+ (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 0))} assume !(main_~this_expect~0#1 > 16); {4757#(and (= |ULTIMATE.start_main_~this_expect~0#1| 0) (= (+ (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 0))} is VALID [2022-02-20 16:07:24,281 INFO L290 TraceCheckUtils]: 11: Hoare triple {4757#(and (= |ULTIMATE.start_main_~this_expect~0#1| 0) (= (+ (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 0))} assume !(0 == main_~q~0#1); {4757#(and (= |ULTIMATE.start_main_~this_expect~0#1| 0) (= (+ (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 0))} is VALID [2022-02-20 16:07:24,281 INFO L290 TraceCheckUtils]: 12: Hoare triple {4757#(and (= |ULTIMATE.start_main_~this_expect~0#1| 0) (= (+ (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 0))} assume 1 == main_~q~0#1;assume -2147483648 <= main_#t~nondet14#1 && main_#t~nondet14#1 <= 2147483647; {4757#(and (= |ULTIMATE.start_main_~this_expect~0#1| 0) (= (+ (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 0))} is VALID [2022-02-20 16:07:24,283 INFO L290 TraceCheckUtils]: 13: Hoare triple {4757#(and (= |ULTIMATE.start_main_~this_expect~0#1| 0) (= (+ (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 0))} assume 0 != main_#t~nondet14#1;havoc main_#t~nondet14#1; {4757#(and (= |ULTIMATE.start_main_~this_expect~0#1| 0) (= (+ (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 0))} is VALID [2022-02-20 16:07:24,283 INFO L290 TraceCheckUtils]: 14: Hoare triple {4757#(and (= |ULTIMATE.start_main_~this_expect~0#1| 0) (= (+ (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 0))} assume !(0 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2));main_~method_id~0#1 := 2; {4757#(and (= |ULTIMATE.start_main_~this_expect~0#1| 0) (= (+ (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 0))} is VALID [2022-02-20 16:07:24,284 INFO L290 TraceCheckUtils]: 15: Hoare triple {4757#(and (= |ULTIMATE.start_main_~this_expect~0#1| 0) (= (+ (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 0))} assume !((((if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2) != (if main_~this_expect~0#1 < 0 && 0 != main_~this_expect~0#1 % 2 then main_~this_expect~0#1 % 2 - 2 else main_~this_expect~0#1 % 2) && 1 == main_~this_buffer_empty~0#1) && !(0 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2))) || (1 != main_~this_buffer_empty~0#1 && !(0 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2))));main_~q~0#1 := 3;main_~this_expect~0#1 := 1 + main_~this_expect~0#1;main_~this_buffer_empty~0#1 := 1 - main_~this_buffer_empty~0#1; {4758#(and (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_expect~0#1| 1))} is VALID [2022-02-20 16:07:24,290 INFO L290 TraceCheckUtils]: 16: Hoare triple {4758#(and (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_expect~0#1| 1))} assume !false;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_~P1~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647;main_~P2~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647;main_~P3~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;assume -2147483648 <= main_#t~nondet7#1 && main_#t~nondet7#1 <= 2147483647;main_~P4~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;assume -2147483648 <= main_#t~nondet8#1 && main_#t~nondet8#1 <= 2147483647;main_~P5~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647;main_~P6~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1;assume -2147483648 <= main_#t~nondet10#1 && main_#t~nondet10#1 <= 2147483647;main_~P7~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;assume -2147483648 <= main_#t~nondet11#1 && main_#t~nondet11#1 <= 2147483647;main_~P8~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;assume -2147483648 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 2147483647;main_~P9~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; {4759#(and (or (< |ULTIMATE.start_main_~this_expect~0#1| (+ |ULTIMATE.start_main_~P3~0#1| (* (div (+ |ULTIMATE.start_main_~this_expect~0#1| 1) 2) 2))) (<= |ULTIMATE.start_main_~this_expect~0#1| 1)) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (<= 1 |ULTIMATE.start_main_~this_expect~0#1|))} is VALID [2022-02-20 16:07:24,291 INFO L290 TraceCheckUtils]: 17: Hoare triple {4759#(and (or (< |ULTIMATE.start_main_~this_expect~0#1| (+ |ULTIMATE.start_main_~P3~0#1| (* (div (+ |ULTIMATE.start_main_~this_expect~0#1| 1) 2) 2))) (<= |ULTIMATE.start_main_~this_expect~0#1| 1)) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (<= 1 |ULTIMATE.start_main_~this_expect~0#1|))} assume !(main_~this_expect~0#1 > 16); {4759#(and (or (< |ULTIMATE.start_main_~this_expect~0#1| (+ |ULTIMATE.start_main_~P3~0#1| (* (div (+ |ULTIMATE.start_main_~this_expect~0#1| 1) 2) 2))) (<= |ULTIMATE.start_main_~this_expect~0#1| 1)) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (<= 1 |ULTIMATE.start_main_~this_expect~0#1|))} is VALID [2022-02-20 16:07:24,291 INFO L290 TraceCheckUtils]: 18: Hoare triple {4759#(and (or (< |ULTIMATE.start_main_~this_expect~0#1| (+ |ULTIMATE.start_main_~P3~0#1| (* (div (+ |ULTIMATE.start_main_~this_expect~0#1| 1) 2) 2))) (<= |ULTIMATE.start_main_~this_expect~0#1| 1)) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (<= 1 |ULTIMATE.start_main_~this_expect~0#1|))} assume !(0 == main_~q~0#1); {4759#(and (or (< |ULTIMATE.start_main_~this_expect~0#1| (+ |ULTIMATE.start_main_~P3~0#1| (* (div (+ |ULTIMATE.start_main_~this_expect~0#1| 1) 2) 2))) (<= |ULTIMATE.start_main_~this_expect~0#1| 1)) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (<= 1 |ULTIMATE.start_main_~this_expect~0#1|))} is VALID [2022-02-20 16:07:24,292 INFO L290 TraceCheckUtils]: 19: Hoare triple {4759#(and (or (< |ULTIMATE.start_main_~this_expect~0#1| (+ |ULTIMATE.start_main_~P3~0#1| (* (div (+ |ULTIMATE.start_main_~this_expect~0#1| 1) 2) 2))) (<= |ULTIMATE.start_main_~this_expect~0#1| 1)) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (<= 1 |ULTIMATE.start_main_~this_expect~0#1|))} assume !(1 == main_~q~0#1); {4759#(and (or (< |ULTIMATE.start_main_~this_expect~0#1| (+ |ULTIMATE.start_main_~P3~0#1| (* (div (+ |ULTIMATE.start_main_~this_expect~0#1| 1) 2) 2))) (<= |ULTIMATE.start_main_~this_expect~0#1| 1)) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (<= 1 |ULTIMATE.start_main_~this_expect~0#1|))} is VALID [2022-02-20 16:07:24,292 INFO L290 TraceCheckUtils]: 20: Hoare triple {4759#(and (or (< |ULTIMATE.start_main_~this_expect~0#1| (+ |ULTIMATE.start_main_~P3~0#1| (* (div (+ |ULTIMATE.start_main_~this_expect~0#1| 1) 2) 2))) (<= |ULTIMATE.start_main_~this_expect~0#1| 1)) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (<= 1 |ULTIMATE.start_main_~this_expect~0#1|))} assume !(2 == main_~q~0#1); {4759#(and (or (< |ULTIMATE.start_main_~this_expect~0#1| (+ |ULTIMATE.start_main_~P3~0#1| (* (div (+ |ULTIMATE.start_main_~this_expect~0#1| 1) 2) 2))) (<= |ULTIMATE.start_main_~this_expect~0#1| 1)) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (<= 1 |ULTIMATE.start_main_~this_expect~0#1|))} is VALID [2022-02-20 16:07:24,292 INFO L290 TraceCheckUtils]: 21: Hoare triple {4759#(and (or (< |ULTIMATE.start_main_~this_expect~0#1| (+ |ULTIMATE.start_main_~P3~0#1| (* (div (+ |ULTIMATE.start_main_~this_expect~0#1| 1) 2) 2))) (<= |ULTIMATE.start_main_~this_expect~0#1| 1)) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (<= 1 |ULTIMATE.start_main_~this_expect~0#1|))} assume 3 == main_~q~0#1;assume -2147483648 <= main_#t~nondet26#1 && main_#t~nondet26#1 <= 2147483647; {4759#(and (or (< |ULTIMATE.start_main_~this_expect~0#1| (+ |ULTIMATE.start_main_~P3~0#1| (* (div (+ |ULTIMATE.start_main_~this_expect~0#1| 1) 2) 2))) (<= |ULTIMATE.start_main_~this_expect~0#1| 1)) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (<= 1 |ULTIMATE.start_main_~this_expect~0#1|))} is VALID [2022-02-20 16:07:24,293 INFO L290 TraceCheckUtils]: 22: Hoare triple {4759#(and (or (< |ULTIMATE.start_main_~this_expect~0#1| (+ |ULTIMATE.start_main_~P3~0#1| (* (div (+ |ULTIMATE.start_main_~this_expect~0#1| 1) 2) 2))) (<= |ULTIMATE.start_main_~this_expect~0#1| 1)) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (<= 1 |ULTIMATE.start_main_~this_expect~0#1|))} assume !(0 != main_#t~nondet26#1);havoc main_#t~nondet26#1;assume -2147483648 <= main_#t~nondet27#1 && main_#t~nondet27#1 <= 2147483647; {4759#(and (or (< |ULTIMATE.start_main_~this_expect~0#1| (+ |ULTIMATE.start_main_~P3~0#1| (* (div (+ |ULTIMATE.start_main_~this_expect~0#1| 1) 2) 2))) (<= |ULTIMATE.start_main_~this_expect~0#1| 1)) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (<= 1 |ULTIMATE.start_main_~this_expect~0#1|))} is VALID [2022-02-20 16:07:24,293 INFO L290 TraceCheckUtils]: 23: Hoare triple {4759#(and (or (< |ULTIMATE.start_main_~this_expect~0#1| (+ |ULTIMATE.start_main_~P3~0#1| (* (div (+ |ULTIMATE.start_main_~this_expect~0#1| 1) 2) 2))) (<= |ULTIMATE.start_main_~this_expect~0#1| 1)) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (<= 1 |ULTIMATE.start_main_~this_expect~0#1|))} assume 0 != main_#t~nondet27#1;havoc main_#t~nondet27#1; {4759#(and (or (< |ULTIMATE.start_main_~this_expect~0#1| (+ |ULTIMATE.start_main_~P3~0#1| (* (div (+ |ULTIMATE.start_main_~this_expect~0#1| 1) 2) 2))) (<= |ULTIMATE.start_main_~this_expect~0#1| 1)) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (<= 1 |ULTIMATE.start_main_~this_expect~0#1|))} is VALID [2022-02-20 16:07:24,294 INFO L290 TraceCheckUtils]: 24: Hoare triple {4759#(and (or (< |ULTIMATE.start_main_~this_expect~0#1| (+ |ULTIMATE.start_main_~P3~0#1| (* (div (+ |ULTIMATE.start_main_~this_expect~0#1| 1) 2) 2))) (<= |ULTIMATE.start_main_~this_expect~0#1| 1)) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (<= 1 |ULTIMATE.start_main_~this_expect~0#1|))} assume !(0 != main_~P1~0#1);main_~method_id~0#1 := 3; {4759#(and (or (< |ULTIMATE.start_main_~this_expect~0#1| (+ |ULTIMATE.start_main_~P3~0#1| (* (div (+ |ULTIMATE.start_main_~this_expect~0#1| 1) 2) 2))) (<= |ULTIMATE.start_main_~this_expect~0#1| 1)) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (<= 1 |ULTIMATE.start_main_~this_expect~0#1|))} is VALID [2022-02-20 16:07:24,295 INFO L290 TraceCheckUtils]: 25: Hoare triple {4759#(and (or (< |ULTIMATE.start_main_~this_expect~0#1| (+ |ULTIMATE.start_main_~P3~0#1| (* (div (+ |ULTIMATE.start_main_~this_expect~0#1| 1) 2) 2))) (<= |ULTIMATE.start_main_~this_expect~0#1| 1)) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (<= 1 |ULTIMATE.start_main_~this_expect~0#1|))} assume (1 == main_~this_buffer_empty~0#1 && !(0 != main_~P3~0#1)) || ((main_~P3~0#1 != (if main_~this_expect~0#1 - 1 < 0 && 0 != (main_~this_expect~0#1 - 1) % 2 then (main_~this_expect~0#1 - 1) % 2 - 2 else (main_~this_expect~0#1 - 1) % 2) && 1 != main_~this_buffer_empty~0#1) && !(0 != main_~P3~0#1)); {4756#false} is VALID [2022-02-20 16:07:24,295 INFO L290 TraceCheckUtils]: 26: Hoare triple {4756#false} assume !false; {4756#false} is VALID [2022-02-20 16:07:24,295 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 16:07:24,295 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 16:07:24,295 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2077940252] [2022-02-20 16:07:24,296 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2077940252] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-20 16:07:24,296 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [896298316] [2022-02-20 16:07:24,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 16:07:24,296 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 16:07:24,296 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 16:07:24,297 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-20 16:07:24,311 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-02-20 16:07:24,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 16:07:24,393 INFO L263 TraceCheckSpWp]: Trace formula consists of 206 conjuncts, 7 conjunts are in the unsatisfiable core [2022-02-20 16:07:24,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 16:07:24,404 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-20 16:07:24,727 INFO L290 TraceCheckUtils]: 0: Hoare triple {4755#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(16, 2);call #Ultimate.allocInit(12, 3);~m_Protocol~0 := 1;~m_msg_2~0 := 2;~m_recv_ack_2~0 := 3;~m_msg_1_1~0 := 4;~m_msg_1_2~0 := 5;~m_recv_ack_1_1~0 := 6;~m_recv_ack_1_2~0 := 7; {4755#true} is VALID [2022-02-20 16:07:24,727 INFO L290 TraceCheckUtils]: 1: Hoare triple {4755#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~nondet5#1, main_#t~nondet6#1, main_#t~nondet7#1, main_#t~nondet8#1, main_#t~nondet9#1, main_#t~nondet10#1, main_#t~nondet11#1, main_#t~nondet12#1, main_#t~nondet13#1, main_#t~nondet14#1, main_#t~nondet15#1, main_#t~nondet16#1, main_#t~nondet17#1, main_#t~nondet18#1, main_#t~nondet19#1, main_#t~nondet20#1, main_#t~nondet21#1, main_#t~nondet22#1, main_#t~nondet23#1, main_#t~nondet24#1, main_#t~nondet25#1, main_#t~nondet26#1, main_#t~nondet27#1, main_#t~nondet28#1, main_#t~nondet29#1, main_#t~nondet30#1, main_#t~nondet31#1, main_#t~nondet32#1, main_#t~nondet33#1, main_#t~nondet34#1, main_#t~nondet35#1, main_#t~nondet36#1, main_#t~nondet37#1, main_#t~nondet38#1, main_#t~nondet39#1, main_#t~nondet40#1, main_#t~nondet41#1, main_#t~nondet42#1, main_#t~nondet43#1, main_~P1~0#1, main_~P2~0#1, main_~P3~0#1, main_~P4~0#1, main_~P5~0#1, main_~P6~0#1, main_~P7~0#1, main_~P8~0#1, main_~P9~0#1, main_~q~0#1, main_~method_id~0#1, main_~this_expect~0#1, main_~this_buffer_empty~0#1;main_~q~0#1 := 0;havoc main_~method_id~0#1;main_~this_expect~0#1 := 0;main_~this_buffer_empty~0#1 := 0; {4755#true} is VALID [2022-02-20 16:07:24,727 INFO L290 TraceCheckUtils]: 2: Hoare triple {4755#true} goto; {4755#true} is VALID [2022-02-20 16:07:24,727 INFO L290 TraceCheckUtils]: 3: Hoare triple {4755#true} assume !false;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_~P1~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647;main_~P2~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647;main_~P3~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;assume -2147483648 <= main_#t~nondet7#1 && main_#t~nondet7#1 <= 2147483647;main_~P4~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;assume -2147483648 <= main_#t~nondet8#1 && main_#t~nondet8#1 <= 2147483647;main_~P5~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647;main_~P6~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1;assume -2147483648 <= main_#t~nondet10#1 && main_#t~nondet10#1 <= 2147483647;main_~P7~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;assume -2147483648 <= main_#t~nondet11#1 && main_#t~nondet11#1 <= 2147483647;main_~P8~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;assume -2147483648 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 2147483647;main_~P9~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; {4755#true} is VALID [2022-02-20 16:07:24,728 INFO L290 TraceCheckUtils]: 4: Hoare triple {4755#true} assume !(main_~this_expect~0#1 > 16); {4755#true} is VALID [2022-02-20 16:07:24,728 INFO L290 TraceCheckUtils]: 5: Hoare triple {4755#true} assume 0 == main_~q~0#1;assume -2147483648 <= main_#t~nondet13#1 && main_#t~nondet13#1 <= 2147483647; {4755#true} is VALID [2022-02-20 16:07:24,728 INFO L290 TraceCheckUtils]: 6: Hoare triple {4755#true} assume 0 != main_#t~nondet13#1;havoc main_#t~nondet13#1; {4755#true} is VALID [2022-02-20 16:07:24,728 INFO L290 TraceCheckUtils]: 7: Hoare triple {4755#true} main_~method_id~0#1 := 1; {4755#true} is VALID [2022-02-20 16:07:24,732 INFO L290 TraceCheckUtils]: 8: Hoare triple {4755#true} assume !false;main_~q~0#1 := 1;main_~this_expect~0#1 := 0;main_~this_buffer_empty~0#1 := 1; {4787#(and (= |ULTIMATE.start_main_~this_expect~0#1| 0) (<= 1 |ULTIMATE.start_main_~this_buffer_empty~0#1|))} is VALID [2022-02-20 16:07:24,732 INFO L290 TraceCheckUtils]: 9: Hoare triple {4787#(and (= |ULTIMATE.start_main_~this_expect~0#1| 0) (<= 1 |ULTIMATE.start_main_~this_buffer_empty~0#1|))} assume !false;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_~P1~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647;main_~P2~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647;main_~P3~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;assume -2147483648 <= main_#t~nondet7#1 && main_#t~nondet7#1 <= 2147483647;main_~P4~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;assume -2147483648 <= main_#t~nondet8#1 && main_#t~nondet8#1 <= 2147483647;main_~P5~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647;main_~P6~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1;assume -2147483648 <= main_#t~nondet10#1 && main_#t~nondet10#1 <= 2147483647;main_~P7~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;assume -2147483648 <= main_#t~nondet11#1 && main_#t~nondet11#1 <= 2147483647;main_~P8~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;assume -2147483648 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 2147483647;main_~P9~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; {4787#(and (= |ULTIMATE.start_main_~this_expect~0#1| 0) (<= 1 |ULTIMATE.start_main_~this_buffer_empty~0#1|))} is VALID [2022-02-20 16:07:24,733 INFO L290 TraceCheckUtils]: 10: Hoare triple {4787#(and (= |ULTIMATE.start_main_~this_expect~0#1| 0) (<= 1 |ULTIMATE.start_main_~this_buffer_empty~0#1|))} assume !(main_~this_expect~0#1 > 16); {4787#(and (= |ULTIMATE.start_main_~this_expect~0#1| 0) (<= 1 |ULTIMATE.start_main_~this_buffer_empty~0#1|))} is VALID [2022-02-20 16:07:24,734 INFO L290 TraceCheckUtils]: 11: Hoare triple {4787#(and (= |ULTIMATE.start_main_~this_expect~0#1| 0) (<= 1 |ULTIMATE.start_main_~this_buffer_empty~0#1|))} assume !(0 == main_~q~0#1); {4787#(and (= |ULTIMATE.start_main_~this_expect~0#1| 0) (<= 1 |ULTIMATE.start_main_~this_buffer_empty~0#1|))} is VALID [2022-02-20 16:07:24,734 INFO L290 TraceCheckUtils]: 12: Hoare triple {4787#(and (= |ULTIMATE.start_main_~this_expect~0#1| 0) (<= 1 |ULTIMATE.start_main_~this_buffer_empty~0#1|))} assume 1 == main_~q~0#1;assume -2147483648 <= main_#t~nondet14#1 && main_#t~nondet14#1 <= 2147483647; {4787#(and (= |ULTIMATE.start_main_~this_expect~0#1| 0) (<= 1 |ULTIMATE.start_main_~this_buffer_empty~0#1|))} is VALID [2022-02-20 16:07:24,734 INFO L290 TraceCheckUtils]: 13: Hoare triple {4787#(and (= |ULTIMATE.start_main_~this_expect~0#1| 0) (<= 1 |ULTIMATE.start_main_~this_buffer_empty~0#1|))} assume 0 != main_#t~nondet14#1;havoc main_#t~nondet14#1; {4787#(and (= |ULTIMATE.start_main_~this_expect~0#1| 0) (<= 1 |ULTIMATE.start_main_~this_buffer_empty~0#1|))} is VALID [2022-02-20 16:07:24,735 INFO L290 TraceCheckUtils]: 14: Hoare triple {4787#(and (= |ULTIMATE.start_main_~this_expect~0#1| 0) (<= 1 |ULTIMATE.start_main_~this_buffer_empty~0#1|))} assume !(0 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2));main_~method_id~0#1 := 2; {4787#(and (= |ULTIMATE.start_main_~this_expect~0#1| 0) (<= 1 |ULTIMATE.start_main_~this_buffer_empty~0#1|))} is VALID [2022-02-20 16:07:24,736 INFO L290 TraceCheckUtils]: 15: Hoare triple {4787#(and (= |ULTIMATE.start_main_~this_expect~0#1| 0) (<= 1 |ULTIMATE.start_main_~this_buffer_empty~0#1|))} assume !((((if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2) != (if main_~this_expect~0#1 < 0 && 0 != main_~this_expect~0#1 % 2 then main_~this_expect~0#1 % 2 - 2 else main_~this_expect~0#1 % 2) && 1 == main_~this_buffer_empty~0#1) && !(0 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2))) || (1 != main_~this_buffer_empty~0#1 && !(0 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2))));main_~q~0#1 := 3;main_~this_expect~0#1 := 1 + main_~this_expect~0#1;main_~this_buffer_empty~0#1 := 1 - main_~this_buffer_empty~0#1; {4758#(and (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_expect~0#1| 1))} is VALID [2022-02-20 16:07:24,736 INFO L290 TraceCheckUtils]: 16: Hoare triple {4758#(and (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_expect~0#1| 1))} assume !false;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_~P1~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647;main_~P2~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647;main_~P3~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;assume -2147483648 <= main_#t~nondet7#1 && main_#t~nondet7#1 <= 2147483647;main_~P4~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;assume -2147483648 <= main_#t~nondet8#1 && main_#t~nondet8#1 <= 2147483647;main_~P5~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647;main_~P6~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1;assume -2147483648 <= main_#t~nondet10#1 && main_#t~nondet10#1 <= 2147483647;main_~P7~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;assume -2147483648 <= main_#t~nondet11#1 && main_#t~nondet11#1 <= 2147483647;main_~P8~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;assume -2147483648 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 2147483647;main_~P9~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; {4758#(and (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_expect~0#1| 1))} is VALID [2022-02-20 16:07:24,737 INFO L290 TraceCheckUtils]: 17: Hoare triple {4758#(and (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_expect~0#1| 1))} assume !(main_~this_expect~0#1 > 16); {4758#(and (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_expect~0#1| 1))} is VALID [2022-02-20 16:07:24,737 INFO L290 TraceCheckUtils]: 18: Hoare triple {4758#(and (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_expect~0#1| 1))} assume !(0 == main_~q~0#1); {4758#(and (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_expect~0#1| 1))} is VALID [2022-02-20 16:07:24,738 INFO L290 TraceCheckUtils]: 19: Hoare triple {4758#(and (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_expect~0#1| 1))} assume !(1 == main_~q~0#1); {4758#(and (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_expect~0#1| 1))} is VALID [2022-02-20 16:07:24,755 INFO L290 TraceCheckUtils]: 20: Hoare triple {4758#(and (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_expect~0#1| 1))} assume !(2 == main_~q~0#1); {4758#(and (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_expect~0#1| 1))} is VALID [2022-02-20 16:07:24,755 INFO L290 TraceCheckUtils]: 21: Hoare triple {4758#(and (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_expect~0#1| 1))} assume 3 == main_~q~0#1;assume -2147483648 <= main_#t~nondet26#1 && main_#t~nondet26#1 <= 2147483647; {4758#(and (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_expect~0#1| 1))} is VALID [2022-02-20 16:07:24,756 INFO L290 TraceCheckUtils]: 22: Hoare triple {4758#(and (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_expect~0#1| 1))} assume !(0 != main_#t~nondet26#1);havoc main_#t~nondet26#1;assume -2147483648 <= main_#t~nondet27#1 && main_#t~nondet27#1 <= 2147483647; {4758#(and (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_expect~0#1| 1))} is VALID [2022-02-20 16:07:24,757 INFO L290 TraceCheckUtils]: 23: Hoare triple {4758#(and (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_expect~0#1| 1))} assume 0 != main_#t~nondet27#1;havoc main_#t~nondet27#1; {4758#(and (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_expect~0#1| 1))} is VALID [2022-02-20 16:07:24,757 INFO L290 TraceCheckUtils]: 24: Hoare triple {4758#(and (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_expect~0#1| 1))} assume !(0 != main_~P1~0#1);main_~method_id~0#1 := 3; {4758#(and (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_expect~0#1| 1))} is VALID [2022-02-20 16:07:24,758 INFO L290 TraceCheckUtils]: 25: Hoare triple {4758#(and (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_expect~0#1| 1))} assume (1 == main_~this_buffer_empty~0#1 && !(0 != main_~P3~0#1)) || ((main_~P3~0#1 != (if main_~this_expect~0#1 - 1 < 0 && 0 != (main_~this_expect~0#1 - 1) % 2 then (main_~this_expect~0#1 - 1) % 2 - 2 else (main_~this_expect~0#1 - 1) % 2) && 1 != main_~this_buffer_empty~0#1) && !(0 != main_~P3~0#1)); {4756#false} is VALID [2022-02-20 16:07:24,758 INFO L290 TraceCheckUtils]: 26: Hoare triple {4756#false} assume !false; {4756#false} is VALID [2022-02-20 16:07:24,758 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 16:07:24,758 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-20 16:07:24,925 INFO L290 TraceCheckUtils]: 26: Hoare triple {4756#false} assume !false; {4756#false} is VALID [2022-02-20 16:07:24,925 INFO L290 TraceCheckUtils]: 25: Hoare triple {4845#(and (= 0 (mod (+ |ULTIMATE.start_main_~this_expect~0#1| 1) 2)) (not (= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1)))} assume (1 == main_~this_buffer_empty~0#1 && !(0 != main_~P3~0#1)) || ((main_~P3~0#1 != (if main_~this_expect~0#1 - 1 < 0 && 0 != (main_~this_expect~0#1 - 1) % 2 then (main_~this_expect~0#1 - 1) % 2 - 2 else (main_~this_expect~0#1 - 1) % 2) && 1 != main_~this_buffer_empty~0#1) && !(0 != main_~P3~0#1)); {4756#false} is VALID [2022-02-20 16:07:24,926 INFO L290 TraceCheckUtils]: 24: Hoare triple {4845#(and (= 0 (mod (+ |ULTIMATE.start_main_~this_expect~0#1| 1) 2)) (not (= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1)))} assume !(0 != main_~P1~0#1);main_~method_id~0#1 := 3; {4845#(and (= 0 (mod (+ |ULTIMATE.start_main_~this_expect~0#1| 1) 2)) (not (= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1)))} is VALID [2022-02-20 16:07:24,926 INFO L290 TraceCheckUtils]: 23: Hoare triple {4845#(and (= 0 (mod (+ |ULTIMATE.start_main_~this_expect~0#1| 1) 2)) (not (= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1)))} assume 0 != main_#t~nondet27#1;havoc main_#t~nondet27#1; {4845#(and (= 0 (mod (+ |ULTIMATE.start_main_~this_expect~0#1| 1) 2)) (not (= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1)))} is VALID [2022-02-20 16:07:24,927 INFO L290 TraceCheckUtils]: 22: Hoare triple {4845#(and (= 0 (mod (+ |ULTIMATE.start_main_~this_expect~0#1| 1) 2)) (not (= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1)))} assume !(0 != main_#t~nondet26#1);havoc main_#t~nondet26#1;assume -2147483648 <= main_#t~nondet27#1 && main_#t~nondet27#1 <= 2147483647; {4845#(and (= 0 (mod (+ |ULTIMATE.start_main_~this_expect~0#1| 1) 2)) (not (= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1)))} is VALID [2022-02-20 16:07:24,927 INFO L290 TraceCheckUtils]: 21: Hoare triple {4845#(and (= 0 (mod (+ |ULTIMATE.start_main_~this_expect~0#1| 1) 2)) (not (= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1)))} assume 3 == main_~q~0#1;assume -2147483648 <= main_#t~nondet26#1 && main_#t~nondet26#1 <= 2147483647; {4845#(and (= 0 (mod (+ |ULTIMATE.start_main_~this_expect~0#1| 1) 2)) (not (= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1)))} is VALID [2022-02-20 16:07:24,928 INFO L290 TraceCheckUtils]: 20: Hoare triple {4845#(and (= 0 (mod (+ |ULTIMATE.start_main_~this_expect~0#1| 1) 2)) (not (= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1)))} assume !(2 == main_~q~0#1); {4845#(and (= 0 (mod (+ |ULTIMATE.start_main_~this_expect~0#1| 1) 2)) (not (= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1)))} is VALID [2022-02-20 16:07:24,928 INFO L290 TraceCheckUtils]: 19: Hoare triple {4845#(and (= 0 (mod (+ |ULTIMATE.start_main_~this_expect~0#1| 1) 2)) (not (= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1)))} assume !(1 == main_~q~0#1); {4845#(and (= 0 (mod (+ |ULTIMATE.start_main_~this_expect~0#1| 1) 2)) (not (= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1)))} is VALID [2022-02-20 16:07:24,928 INFO L290 TraceCheckUtils]: 18: Hoare triple {4845#(and (= 0 (mod (+ |ULTIMATE.start_main_~this_expect~0#1| 1) 2)) (not (= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1)))} assume !(0 == main_~q~0#1); {4845#(and (= 0 (mod (+ |ULTIMATE.start_main_~this_expect~0#1| 1) 2)) (not (= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1)))} is VALID [2022-02-20 16:07:24,929 INFO L290 TraceCheckUtils]: 17: Hoare triple {4845#(and (= 0 (mod (+ |ULTIMATE.start_main_~this_expect~0#1| 1) 2)) (not (= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1)))} assume !(main_~this_expect~0#1 > 16); {4845#(and (= 0 (mod (+ |ULTIMATE.start_main_~this_expect~0#1| 1) 2)) (not (= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1)))} is VALID [2022-02-20 16:07:24,937 INFO L290 TraceCheckUtils]: 16: Hoare triple {4845#(and (= 0 (mod (+ |ULTIMATE.start_main_~this_expect~0#1| 1) 2)) (not (= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1)))} assume !false;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_~P1~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647;main_~P2~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647;main_~P3~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;assume -2147483648 <= main_#t~nondet7#1 && main_#t~nondet7#1 <= 2147483647;main_~P4~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;assume -2147483648 <= main_#t~nondet8#1 && main_#t~nondet8#1 <= 2147483647;main_~P5~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647;main_~P6~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1;assume -2147483648 <= main_#t~nondet10#1 && main_#t~nondet10#1 <= 2147483647;main_~P7~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;assume -2147483648 <= main_#t~nondet11#1 && main_#t~nondet11#1 <= 2147483647;main_~P8~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;assume -2147483648 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 2147483647;main_~P9~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; {4845#(and (= 0 (mod (+ |ULTIMATE.start_main_~this_expect~0#1| 1) 2)) (not (= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1)))} is VALID [2022-02-20 16:07:24,938 INFO L290 TraceCheckUtils]: 15: Hoare triple {4876#(and (= (mod |ULTIMATE.start_main_~this_expect~0#1| 2) 0) (not (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0)))} assume !((((if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2) != (if main_~this_expect~0#1 < 0 && 0 != main_~this_expect~0#1 % 2 then main_~this_expect~0#1 % 2 - 2 else main_~this_expect~0#1 % 2) && 1 == main_~this_buffer_empty~0#1) && !(0 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2))) || (1 != main_~this_buffer_empty~0#1 && !(0 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2))));main_~q~0#1 := 3;main_~this_expect~0#1 := 1 + main_~this_expect~0#1;main_~this_buffer_empty~0#1 := 1 - main_~this_buffer_empty~0#1; {4845#(and (= 0 (mod (+ |ULTIMATE.start_main_~this_expect~0#1| 1) 2)) (not (= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1)))} is VALID [2022-02-20 16:07:24,938 INFO L290 TraceCheckUtils]: 14: Hoare triple {4876#(and (= (mod |ULTIMATE.start_main_~this_expect~0#1| 2) 0) (not (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0)))} assume !(0 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2));main_~method_id~0#1 := 2; {4876#(and (= (mod |ULTIMATE.start_main_~this_expect~0#1| 2) 0) (not (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0)))} is VALID [2022-02-20 16:07:24,938 INFO L290 TraceCheckUtils]: 13: Hoare triple {4876#(and (= (mod |ULTIMATE.start_main_~this_expect~0#1| 2) 0) (not (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0)))} assume 0 != main_#t~nondet14#1;havoc main_#t~nondet14#1; {4876#(and (= (mod |ULTIMATE.start_main_~this_expect~0#1| 2) 0) (not (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0)))} is VALID [2022-02-20 16:07:24,939 INFO L290 TraceCheckUtils]: 12: Hoare triple {4876#(and (= (mod |ULTIMATE.start_main_~this_expect~0#1| 2) 0) (not (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0)))} assume 1 == main_~q~0#1;assume -2147483648 <= main_#t~nondet14#1 && main_#t~nondet14#1 <= 2147483647; {4876#(and (= (mod |ULTIMATE.start_main_~this_expect~0#1| 2) 0) (not (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0)))} is VALID [2022-02-20 16:07:24,939 INFO L290 TraceCheckUtils]: 11: Hoare triple {4876#(and (= (mod |ULTIMATE.start_main_~this_expect~0#1| 2) 0) (not (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0)))} assume !(0 == main_~q~0#1); {4876#(and (= (mod |ULTIMATE.start_main_~this_expect~0#1| 2) 0) (not (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0)))} is VALID [2022-02-20 16:07:24,940 INFO L290 TraceCheckUtils]: 10: Hoare triple {4876#(and (= (mod |ULTIMATE.start_main_~this_expect~0#1| 2) 0) (not (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0)))} assume !(main_~this_expect~0#1 > 16); {4876#(and (= (mod |ULTIMATE.start_main_~this_expect~0#1| 2) 0) (not (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0)))} is VALID [2022-02-20 16:07:24,940 INFO L290 TraceCheckUtils]: 9: Hoare triple {4876#(and (= (mod |ULTIMATE.start_main_~this_expect~0#1| 2) 0) (not (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0)))} assume !false;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_~P1~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647;main_~P2~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647;main_~P3~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;assume -2147483648 <= main_#t~nondet7#1 && main_#t~nondet7#1 <= 2147483647;main_~P4~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;assume -2147483648 <= main_#t~nondet8#1 && main_#t~nondet8#1 <= 2147483647;main_~P5~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647;main_~P6~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1;assume -2147483648 <= main_#t~nondet10#1 && main_#t~nondet10#1 <= 2147483647;main_~P7~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;assume -2147483648 <= main_#t~nondet11#1 && main_#t~nondet11#1 <= 2147483647;main_~P8~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;assume -2147483648 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 2147483647;main_~P9~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; {4876#(and (= (mod |ULTIMATE.start_main_~this_expect~0#1| 2) 0) (not (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0)))} is VALID [2022-02-20 16:07:24,941 INFO L290 TraceCheckUtils]: 8: Hoare triple {4755#true} assume !false;main_~q~0#1 := 1;main_~this_expect~0#1 := 0;main_~this_buffer_empty~0#1 := 1; {4876#(and (= (mod |ULTIMATE.start_main_~this_expect~0#1| 2) 0) (not (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0)))} is VALID [2022-02-20 16:07:24,941 INFO L290 TraceCheckUtils]: 7: Hoare triple {4755#true} main_~method_id~0#1 := 1; {4755#true} is VALID [2022-02-20 16:07:24,941 INFO L290 TraceCheckUtils]: 6: Hoare triple {4755#true} assume 0 != main_#t~nondet13#1;havoc main_#t~nondet13#1; {4755#true} is VALID [2022-02-20 16:07:24,941 INFO L290 TraceCheckUtils]: 5: Hoare triple {4755#true} assume 0 == main_~q~0#1;assume -2147483648 <= main_#t~nondet13#1 && main_#t~nondet13#1 <= 2147483647; {4755#true} is VALID [2022-02-20 16:07:24,941 INFO L290 TraceCheckUtils]: 4: Hoare triple {4755#true} assume !(main_~this_expect~0#1 > 16); {4755#true} is VALID [2022-02-20 16:07:24,941 INFO L290 TraceCheckUtils]: 3: Hoare triple {4755#true} assume !false;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_~P1~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647;main_~P2~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647;main_~P3~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;assume -2147483648 <= main_#t~nondet7#1 && main_#t~nondet7#1 <= 2147483647;main_~P4~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;assume -2147483648 <= main_#t~nondet8#1 && main_#t~nondet8#1 <= 2147483647;main_~P5~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647;main_~P6~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1;assume -2147483648 <= main_#t~nondet10#1 && main_#t~nondet10#1 <= 2147483647;main_~P7~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;assume -2147483648 <= main_#t~nondet11#1 && main_#t~nondet11#1 <= 2147483647;main_~P8~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;assume -2147483648 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 2147483647;main_~P9~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; {4755#true} is VALID [2022-02-20 16:07:24,942 INFO L290 TraceCheckUtils]: 2: Hoare triple {4755#true} goto; {4755#true} is VALID [2022-02-20 16:07:24,942 INFO L290 TraceCheckUtils]: 1: Hoare triple {4755#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~nondet5#1, main_#t~nondet6#1, main_#t~nondet7#1, main_#t~nondet8#1, main_#t~nondet9#1, main_#t~nondet10#1, main_#t~nondet11#1, main_#t~nondet12#1, main_#t~nondet13#1, main_#t~nondet14#1, main_#t~nondet15#1, main_#t~nondet16#1, main_#t~nondet17#1, main_#t~nondet18#1, main_#t~nondet19#1, main_#t~nondet20#1, main_#t~nondet21#1, main_#t~nondet22#1, main_#t~nondet23#1, main_#t~nondet24#1, main_#t~nondet25#1, main_#t~nondet26#1, main_#t~nondet27#1, main_#t~nondet28#1, main_#t~nondet29#1, main_#t~nondet30#1, main_#t~nondet31#1, main_#t~nondet32#1, main_#t~nondet33#1, main_#t~nondet34#1, main_#t~nondet35#1, main_#t~nondet36#1, main_#t~nondet37#1, main_#t~nondet38#1, main_#t~nondet39#1, main_#t~nondet40#1, main_#t~nondet41#1, main_#t~nondet42#1, main_#t~nondet43#1, main_~P1~0#1, main_~P2~0#1, main_~P3~0#1, main_~P4~0#1, main_~P5~0#1, main_~P6~0#1, main_~P7~0#1, main_~P8~0#1, main_~P9~0#1, main_~q~0#1, main_~method_id~0#1, main_~this_expect~0#1, main_~this_buffer_empty~0#1;main_~q~0#1 := 0;havoc main_~method_id~0#1;main_~this_expect~0#1 := 0;main_~this_buffer_empty~0#1 := 0; {4755#true} is VALID [2022-02-20 16:07:24,942 INFO L290 TraceCheckUtils]: 0: Hoare triple {4755#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(16, 2);call #Ultimate.allocInit(12, 3);~m_Protocol~0 := 1;~m_msg_2~0 := 2;~m_recv_ack_2~0 := 3;~m_msg_1_1~0 := 4;~m_msg_1_2~0 := 5;~m_recv_ack_1_1~0 := 6;~m_recv_ack_1_2~0 := 7; {4755#true} is VALID [2022-02-20 16:07:24,942 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 16:07:24,942 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [896298316] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-20 16:07:24,942 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-20 16:07:24,942 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4, 4] total 8 [2022-02-20 16:07:24,943 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [878956390] [2022-02-20 16:07:24,943 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-20 16:07:24,943 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.875) internal successors, (63), 8 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 27 [2022-02-20 16:07:24,943 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 16:07:24,943 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 8 states, 8 states have (on average 7.875) internal successors, (63), 8 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:07:24,983 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 63 edges. 63 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 16:07:24,983 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-02-20 16:07:24,984 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 16:07:24,984 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-02-20 16:07:24,984 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2022-02-20 16:07:24,984 INFO L87 Difference]: Start difference. First operand 220 states and 361 transitions. Second operand has 8 states, 8 states have (on average 7.875) internal successors, (63), 8 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:07:25,635 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 16:07:25,643 INFO L93 Difference]: Finished difference Result 462 states and 753 transitions. [2022-02-20 16:07:25,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-20 16:07:25,644 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.875) internal successors, (63), 8 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 27 [2022-02-20 16:07:25,644 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 16:07:25,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 8 states have (on average 7.875) internal successors, (63), 8 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:07:25,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 410 transitions. [2022-02-20 16:07:25,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 8 states have (on average 7.875) internal successors, (63), 8 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:07:25,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 410 transitions. [2022-02-20 16:07:25,656 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states and 410 transitions. [2022-02-20 16:07:25,838 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 410 edges. 410 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 16:07:25,841 INFO L225 Difference]: With dead ends: 462 [2022-02-20 16:07:25,841 INFO L226 Difference]: Without dead ends: 243 [2022-02-20 16:07:25,841 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 50 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2022-02-20 16:07:25,842 INFO L933 BasicCegarLoop]: 180 mSDtfsCounter, 54 mSDsluCounter, 706 mSDsCounter, 0 mSdLazyCounter, 191 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 886 SdHoareTripleChecker+Invalid, 203 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 191 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-20 16:07:25,842 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [54 Valid, 886 Invalid, 203 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 191 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-20 16:07:25,844 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 243 states. [2022-02-20 16:07:25,866 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 243 to 239. [2022-02-20 16:07:25,867 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 16:07:25,867 INFO L82 GeneralOperation]: Start isEquivalent. First operand 243 states. Second operand has 239 states, 238 states have (on average 1.6260504201680672) internal successors, (387), 238 states have internal predecessors, (387), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:07:25,868 INFO L74 IsIncluded]: Start isIncluded. First operand 243 states. Second operand has 239 states, 238 states have (on average 1.6260504201680672) internal successors, (387), 238 states have internal predecessors, (387), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:07:25,868 INFO L87 Difference]: Start difference. First operand 243 states. Second operand has 239 states, 238 states have (on average 1.6260504201680672) internal successors, (387), 238 states have internal predecessors, (387), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:07:25,871 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 16:07:25,871 INFO L93 Difference]: Finished difference Result 243 states and 389 transitions. [2022-02-20 16:07:25,871 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 389 transitions. [2022-02-20 16:07:25,872 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 16:07:25,872 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 16:07:25,872 INFO L74 IsIncluded]: Start isIncluded. First operand has 239 states, 238 states have (on average 1.6260504201680672) internal successors, (387), 238 states have internal predecessors, (387), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 243 states. [2022-02-20 16:07:25,873 INFO L87 Difference]: Start difference. First operand has 239 states, 238 states have (on average 1.6260504201680672) internal successors, (387), 238 states have internal predecessors, (387), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 243 states. [2022-02-20 16:07:25,876 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 16:07:25,876 INFO L93 Difference]: Finished difference Result 243 states and 389 transitions. [2022-02-20 16:07:25,876 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 389 transitions. [2022-02-20 16:07:25,876 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 16:07:25,876 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 16:07:25,876 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 16:07:25,877 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 16:07:25,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 239 states, 238 states have (on average 1.6260504201680672) internal successors, (387), 238 states have internal predecessors, (387), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:07:25,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 239 states and 387 transitions. [2022-02-20 16:07:25,882 INFO L78 Accepts]: Start accepts. Automaton has 239 states and 387 transitions. Word has length 27 [2022-02-20 16:07:25,882 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 16:07:25,882 INFO L470 AbstractCegarLoop]: Abstraction has 239 states and 387 transitions. [2022-02-20 16:07:25,883 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.875) internal successors, (63), 8 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:07:25,883 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 387 transitions. [2022-02-20 16:07:25,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-02-20 16:07:25,884 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 16:07:25,884 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 16:07:25,917 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-02-20 16:07:26,099 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2022-02-20 16:07:26,100 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-20 16:07:26,101 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 16:07:26,101 INFO L85 PathProgramCache]: Analyzing trace with hash -895020851, now seen corresponding path program 1 times [2022-02-20 16:07:26,101 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 16:07:26,101 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1553749595] [2022-02-20 16:07:26,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 16:07:26,101 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 16:07:26,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 16:07:26,184 INFO L290 TraceCheckUtils]: 0: Hoare triple {6147#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(16, 2);call #Ultimate.allocInit(12, 3);~m_Protocol~0 := 1;~m_msg_2~0 := 2;~m_recv_ack_2~0 := 3;~m_msg_1_1~0 := 4;~m_msg_1_2~0 := 5;~m_recv_ack_1_1~0 := 6;~m_recv_ack_1_2~0 := 7; {6147#true} is VALID [2022-02-20 16:07:26,184 INFO L290 TraceCheckUtils]: 1: Hoare triple {6147#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~nondet5#1, main_#t~nondet6#1, main_#t~nondet7#1, main_#t~nondet8#1, main_#t~nondet9#1, main_#t~nondet10#1, main_#t~nondet11#1, main_#t~nondet12#1, main_#t~nondet13#1, main_#t~nondet14#1, main_#t~nondet15#1, main_#t~nondet16#1, main_#t~nondet17#1, main_#t~nondet18#1, main_#t~nondet19#1, main_#t~nondet20#1, main_#t~nondet21#1, main_#t~nondet22#1, main_#t~nondet23#1, main_#t~nondet24#1, main_#t~nondet25#1, main_#t~nondet26#1, main_#t~nondet27#1, main_#t~nondet28#1, main_#t~nondet29#1, main_#t~nondet30#1, main_#t~nondet31#1, main_#t~nondet32#1, main_#t~nondet33#1, main_#t~nondet34#1, main_#t~nondet35#1, main_#t~nondet36#1, main_#t~nondet37#1, main_#t~nondet38#1, main_#t~nondet39#1, main_#t~nondet40#1, main_#t~nondet41#1, main_#t~nondet42#1, main_#t~nondet43#1, main_~P1~0#1, main_~P2~0#1, main_~P3~0#1, main_~P4~0#1, main_~P5~0#1, main_~P6~0#1, main_~P7~0#1, main_~P8~0#1, main_~P9~0#1, main_~q~0#1, main_~method_id~0#1, main_~this_expect~0#1, main_~this_buffer_empty~0#1;main_~q~0#1 := 0;havoc main_~method_id~0#1;main_~this_expect~0#1 := 0;main_~this_buffer_empty~0#1 := 0; {6147#true} is VALID [2022-02-20 16:07:26,184 INFO L290 TraceCheckUtils]: 2: Hoare triple {6147#true} goto; {6147#true} is VALID [2022-02-20 16:07:26,184 INFO L290 TraceCheckUtils]: 3: Hoare triple {6147#true} assume !false;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_~P1~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647;main_~P2~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647;main_~P3~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;assume -2147483648 <= main_#t~nondet7#1 && main_#t~nondet7#1 <= 2147483647;main_~P4~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;assume -2147483648 <= main_#t~nondet8#1 && main_#t~nondet8#1 <= 2147483647;main_~P5~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647;main_~P6~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1;assume -2147483648 <= main_#t~nondet10#1 && main_#t~nondet10#1 <= 2147483647;main_~P7~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;assume -2147483648 <= main_#t~nondet11#1 && main_#t~nondet11#1 <= 2147483647;main_~P8~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;assume -2147483648 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 2147483647;main_~P9~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; {6147#true} is VALID [2022-02-20 16:07:26,184 INFO L290 TraceCheckUtils]: 4: Hoare triple {6147#true} assume !(main_~this_expect~0#1 > 16); {6147#true} is VALID [2022-02-20 16:07:26,184 INFO L290 TraceCheckUtils]: 5: Hoare triple {6147#true} assume 0 == main_~q~0#1;assume -2147483648 <= main_#t~nondet13#1 && main_#t~nondet13#1 <= 2147483647; {6147#true} is VALID [2022-02-20 16:07:26,185 INFO L290 TraceCheckUtils]: 6: Hoare triple {6147#true} assume 0 != main_#t~nondet13#1;havoc main_#t~nondet13#1; {6147#true} is VALID [2022-02-20 16:07:26,185 INFO L290 TraceCheckUtils]: 7: Hoare triple {6147#true} main_~method_id~0#1 := 1; {6147#true} is VALID [2022-02-20 16:07:26,185 INFO L290 TraceCheckUtils]: 8: Hoare triple {6147#true} assume !false;main_~q~0#1 := 1;main_~this_expect~0#1 := 0;main_~this_buffer_empty~0#1 := 1; {6147#true} is VALID [2022-02-20 16:07:26,185 INFO L290 TraceCheckUtils]: 9: Hoare triple {6147#true} assume !false;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_~P1~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647;main_~P2~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647;main_~P3~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;assume -2147483648 <= main_#t~nondet7#1 && main_#t~nondet7#1 <= 2147483647;main_~P4~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;assume -2147483648 <= main_#t~nondet8#1 && main_#t~nondet8#1 <= 2147483647;main_~P5~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647;main_~P6~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1;assume -2147483648 <= main_#t~nondet10#1 && main_#t~nondet10#1 <= 2147483647;main_~P7~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;assume -2147483648 <= main_#t~nondet11#1 && main_#t~nondet11#1 <= 2147483647;main_~P8~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;assume -2147483648 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 2147483647;main_~P9~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; {6147#true} is VALID [2022-02-20 16:07:26,185 INFO L290 TraceCheckUtils]: 10: Hoare triple {6147#true} assume !(main_~this_expect~0#1 > 16); {6147#true} is VALID [2022-02-20 16:07:26,185 INFO L290 TraceCheckUtils]: 11: Hoare triple {6147#true} assume !(0 == main_~q~0#1); {6147#true} is VALID [2022-02-20 16:07:26,185 INFO L290 TraceCheckUtils]: 12: Hoare triple {6147#true} assume 1 == main_~q~0#1;assume -2147483648 <= main_#t~nondet14#1 && main_#t~nondet14#1 <= 2147483647; {6147#true} is VALID [2022-02-20 16:07:26,185 INFO L290 TraceCheckUtils]: 13: Hoare triple {6147#true} assume 0 != main_#t~nondet14#1;havoc main_#t~nondet14#1; {6147#true} is VALID [2022-02-20 16:07:26,185 INFO L290 TraceCheckUtils]: 14: Hoare triple {6147#true} assume !(0 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2));main_~method_id~0#1 := 2; {6147#true} is VALID [2022-02-20 16:07:26,185 INFO L290 TraceCheckUtils]: 15: Hoare triple {6147#true} assume !((((if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2) != (if main_~this_expect~0#1 < 0 && 0 != main_~this_expect~0#1 % 2 then main_~this_expect~0#1 % 2 - 2 else main_~this_expect~0#1 % 2) && 1 == main_~this_buffer_empty~0#1) && !(0 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2))) || (1 != main_~this_buffer_empty~0#1 && !(0 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2))));main_~q~0#1 := 3;main_~this_expect~0#1 := 1 + main_~this_expect~0#1;main_~this_buffer_empty~0#1 := 1 - main_~this_buffer_empty~0#1; {6147#true} is VALID [2022-02-20 16:07:26,185 INFO L290 TraceCheckUtils]: 16: Hoare triple {6147#true} assume !false;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_~P1~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647;main_~P2~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647;main_~P3~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;assume -2147483648 <= main_#t~nondet7#1 && main_#t~nondet7#1 <= 2147483647;main_~P4~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;assume -2147483648 <= main_#t~nondet8#1 && main_#t~nondet8#1 <= 2147483647;main_~P5~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647;main_~P6~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1;assume -2147483648 <= main_#t~nondet10#1 && main_#t~nondet10#1 <= 2147483647;main_~P7~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;assume -2147483648 <= main_#t~nondet11#1 && main_#t~nondet11#1 <= 2147483647;main_~P8~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;assume -2147483648 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 2147483647;main_~P9~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; {6147#true} is VALID [2022-02-20 16:07:26,185 INFO L290 TraceCheckUtils]: 17: Hoare triple {6147#true} assume !(main_~this_expect~0#1 > 16); {6147#true} is VALID [2022-02-20 16:07:26,185 INFO L290 TraceCheckUtils]: 18: Hoare triple {6147#true} assume !(0 == main_~q~0#1); {6147#true} is VALID [2022-02-20 16:07:26,185 INFO L290 TraceCheckUtils]: 19: Hoare triple {6147#true} assume !(1 == main_~q~0#1); {6147#true} is VALID [2022-02-20 16:07:26,185 INFO L290 TraceCheckUtils]: 20: Hoare triple {6147#true} assume !(2 == main_~q~0#1); {6147#true} is VALID [2022-02-20 16:07:26,185 INFO L290 TraceCheckUtils]: 21: Hoare triple {6147#true} assume 3 == main_~q~0#1;assume -2147483648 <= main_#t~nondet26#1 && main_#t~nondet26#1 <= 2147483647; {6147#true} is VALID [2022-02-20 16:07:26,186 INFO L290 TraceCheckUtils]: 22: Hoare triple {6147#true} assume !(0 != main_#t~nondet26#1);havoc main_#t~nondet26#1;assume -2147483648 <= main_#t~nondet27#1 && main_#t~nondet27#1 <= 2147483647; {6147#true} is VALID [2022-02-20 16:07:26,186 INFO L290 TraceCheckUtils]: 23: Hoare triple {6147#true} assume 0 != main_#t~nondet27#1;havoc main_#t~nondet27#1; {6147#true} is VALID [2022-02-20 16:07:26,186 INFO L290 TraceCheckUtils]: 24: Hoare triple {6147#true} assume !(0 != main_~P1~0#1);main_~method_id~0#1 := 3; {6147#true} is VALID [2022-02-20 16:07:26,186 INFO L290 TraceCheckUtils]: 25: Hoare triple {6147#true} assume !((1 == main_~this_buffer_empty~0#1 && !(0 != main_~P3~0#1)) || ((main_~P3~0#1 != (if main_~this_expect~0#1 - 1 < 0 && 0 != (main_~this_expect~0#1 - 1) % 2 then (main_~this_expect~0#1 - 1) % 2 - 2 else (main_~this_expect~0#1 - 1) % 2) && 1 != main_~this_buffer_empty~0#1) && !(0 != main_~P3~0#1)));main_~q~0#1 := 4;main_~this_expect~0#1 := main_~this_expect~0#1;main_~this_buffer_empty~0#1 := 1 - main_~this_buffer_empty~0#1; {6149#(<= 4 |ULTIMATE.start_main_~q~0#1|)} is VALID [2022-02-20 16:07:26,186 INFO L290 TraceCheckUtils]: 26: Hoare triple {6149#(<= 4 |ULTIMATE.start_main_~q~0#1|)} assume !false;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_~P1~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647;main_~P2~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647;main_~P3~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;assume -2147483648 <= main_#t~nondet7#1 && main_#t~nondet7#1 <= 2147483647;main_~P4~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;assume -2147483648 <= main_#t~nondet8#1 && main_#t~nondet8#1 <= 2147483647;main_~P5~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647;main_~P6~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1;assume -2147483648 <= main_#t~nondet10#1 && main_#t~nondet10#1 <= 2147483647;main_~P7~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;assume -2147483648 <= main_#t~nondet11#1 && main_#t~nondet11#1 <= 2147483647;main_~P8~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;assume -2147483648 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 2147483647;main_~P9~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; {6149#(<= 4 |ULTIMATE.start_main_~q~0#1|)} is VALID [2022-02-20 16:07:26,187 INFO L290 TraceCheckUtils]: 27: Hoare triple {6149#(<= 4 |ULTIMATE.start_main_~q~0#1|)} assume !(main_~this_expect~0#1 > 16); {6149#(<= 4 |ULTIMATE.start_main_~q~0#1|)} is VALID [2022-02-20 16:07:26,187 INFO L290 TraceCheckUtils]: 28: Hoare triple {6149#(<= 4 |ULTIMATE.start_main_~q~0#1|)} assume !(0 == main_~q~0#1); {6149#(<= 4 |ULTIMATE.start_main_~q~0#1|)} is VALID [2022-02-20 16:07:26,187 INFO L290 TraceCheckUtils]: 29: Hoare triple {6149#(<= 4 |ULTIMATE.start_main_~q~0#1|)} assume 1 == main_~q~0#1;assume -2147483648 <= main_#t~nondet14#1 && main_#t~nondet14#1 <= 2147483647; {6148#false} is VALID [2022-02-20 16:07:26,188 INFO L290 TraceCheckUtils]: 30: Hoare triple {6148#false} assume 0 != main_#t~nondet14#1;havoc main_#t~nondet14#1; {6148#false} is VALID [2022-02-20 16:07:26,188 INFO L290 TraceCheckUtils]: 31: Hoare triple {6148#false} assume !(0 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2));main_~method_id~0#1 := 2; {6148#false} is VALID [2022-02-20 16:07:26,188 INFO L290 TraceCheckUtils]: 32: Hoare triple {6148#false} assume (((if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2) != (if main_~this_expect~0#1 < 0 && 0 != main_~this_expect~0#1 % 2 then main_~this_expect~0#1 % 2 - 2 else main_~this_expect~0#1 % 2) && 1 == main_~this_buffer_empty~0#1) && !(0 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2))) || (1 != main_~this_buffer_empty~0#1 && !(0 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2))); {6148#false} is VALID [2022-02-20 16:07:26,188 INFO L290 TraceCheckUtils]: 33: Hoare triple {6148#false} assume !false; {6148#false} is VALID [2022-02-20 16:07:26,188 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-02-20 16:07:26,188 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 16:07:26,188 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1553749595] [2022-02-20 16:07:26,188 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1553749595] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 16:07:26,188 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 16:07:26,188 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-02-20 16:07:26,188 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1744693261] [2022-02-20 16:07:26,188 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 16:07:26,189 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 34 [2022-02-20 16:07:26,189 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 16:07:26,189 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:07:26,216 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 29 edges. 29 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 16:07:26,216 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-20 16:07:26,216 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 16:07:26,217 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-20 16:07:26,217 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-20 16:07:26,217 INFO L87 Difference]: Start difference. First operand 239 states and 387 transitions. Second operand has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:07:26,375 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 16:07:26,375 INFO L93 Difference]: Finished difference Result 447 states and 721 transitions. [2022-02-20 16:07:26,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-20 16:07:26,375 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 34 [2022-02-20 16:07:26,376 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 16:07:26,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:07:26,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 333 transitions. [2022-02-20 16:07:26,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:07:26,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 333 transitions. [2022-02-20 16:07:26,379 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 333 transitions. [2022-02-20 16:07:26,588 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 333 edges. 333 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 16:07:26,590 INFO L225 Difference]: With dead ends: 447 [2022-02-20 16:07:26,590 INFO L226 Difference]: Without dead ends: 211 [2022-02-20 16:07:26,591 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-20 16:07:26,591 INFO L933 BasicCegarLoop]: 145 mSDtfsCounter, 70 mSDsluCounter, 69 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 70 SdHoareTripleChecker+Valid, 214 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-20 16:07:26,591 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [70 Valid, 214 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-20 16:07:26,592 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 211 states. [2022-02-20 16:07:26,603 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 211 to 209. [2022-02-20 16:07:26,604 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 16:07:26,604 INFO L82 GeneralOperation]: Start isEquivalent. First operand 211 states. Second operand has 209 states, 208 states have (on average 1.5769230769230769) internal successors, (328), 208 states have internal predecessors, (328), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:07:26,604 INFO L74 IsIncluded]: Start isIncluded. First operand 211 states. Second operand has 209 states, 208 states have (on average 1.5769230769230769) internal successors, (328), 208 states have internal predecessors, (328), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:07:26,605 INFO L87 Difference]: Start difference. First operand 211 states. Second operand has 209 states, 208 states have (on average 1.5769230769230769) internal successors, (328), 208 states have internal predecessors, (328), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:07:26,608 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 16:07:26,608 INFO L93 Difference]: Finished difference Result 211 states and 329 transitions. [2022-02-20 16:07:26,608 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 329 transitions. [2022-02-20 16:07:26,608 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 16:07:26,608 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 16:07:26,609 INFO L74 IsIncluded]: Start isIncluded. First operand has 209 states, 208 states have (on average 1.5769230769230769) internal successors, (328), 208 states have internal predecessors, (328), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 211 states. [2022-02-20 16:07:26,609 INFO L87 Difference]: Start difference. First operand has 209 states, 208 states have (on average 1.5769230769230769) internal successors, (328), 208 states have internal predecessors, (328), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 211 states. [2022-02-20 16:07:26,612 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 16:07:26,612 INFO L93 Difference]: Finished difference Result 211 states and 329 transitions. [2022-02-20 16:07:26,612 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 329 transitions. [2022-02-20 16:07:26,612 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 16:07:26,612 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 16:07:26,612 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 16:07:26,612 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 16:07:26,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 209 states, 208 states have (on average 1.5769230769230769) internal successors, (328), 208 states have internal predecessors, (328), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:07:26,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 209 states and 328 transitions. [2022-02-20 16:07:26,616 INFO L78 Accepts]: Start accepts. Automaton has 209 states and 328 transitions. Word has length 34 [2022-02-20 16:07:26,616 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 16:07:26,616 INFO L470 AbstractCegarLoop]: Abstraction has 209 states and 328 transitions. [2022-02-20 16:07:26,616 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:07:26,616 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 328 transitions. [2022-02-20 16:07:26,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-02-20 16:07:26,617 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 16:07:26,617 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 16:07:26,617 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-02-20 16:07:26,617 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-20 16:07:26,617 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 16:07:26,617 INFO L85 PathProgramCache]: Analyzing trace with hash -936850633, now seen corresponding path program 1 times [2022-02-20 16:07:26,617 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 16:07:26,618 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [360657061] [2022-02-20 16:07:26,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 16:07:26,618 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 16:07:26,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 16:07:26,733 INFO L290 TraceCheckUtils]: 0: Hoare triple {7269#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(16, 2);call #Ultimate.allocInit(12, 3);~m_Protocol~0 := 1;~m_msg_2~0 := 2;~m_recv_ack_2~0 := 3;~m_msg_1_1~0 := 4;~m_msg_1_2~0 := 5;~m_recv_ack_1_1~0 := 6;~m_recv_ack_1_2~0 := 7; {7269#true} is VALID [2022-02-20 16:07:26,733 INFO L290 TraceCheckUtils]: 1: Hoare triple {7269#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~nondet5#1, main_#t~nondet6#1, main_#t~nondet7#1, main_#t~nondet8#1, main_#t~nondet9#1, main_#t~nondet10#1, main_#t~nondet11#1, main_#t~nondet12#1, main_#t~nondet13#1, main_#t~nondet14#1, main_#t~nondet15#1, main_#t~nondet16#1, main_#t~nondet17#1, main_#t~nondet18#1, main_#t~nondet19#1, main_#t~nondet20#1, main_#t~nondet21#1, main_#t~nondet22#1, main_#t~nondet23#1, main_#t~nondet24#1, main_#t~nondet25#1, main_#t~nondet26#1, main_#t~nondet27#1, main_#t~nondet28#1, main_#t~nondet29#1, main_#t~nondet30#1, main_#t~nondet31#1, main_#t~nondet32#1, main_#t~nondet33#1, main_#t~nondet34#1, main_#t~nondet35#1, main_#t~nondet36#1, main_#t~nondet37#1, main_#t~nondet38#1, main_#t~nondet39#1, main_#t~nondet40#1, main_#t~nondet41#1, main_#t~nondet42#1, main_#t~nondet43#1, main_~P1~0#1, main_~P2~0#1, main_~P3~0#1, main_~P4~0#1, main_~P5~0#1, main_~P6~0#1, main_~P7~0#1, main_~P8~0#1, main_~P9~0#1, main_~q~0#1, main_~method_id~0#1, main_~this_expect~0#1, main_~this_buffer_empty~0#1;main_~q~0#1 := 0;havoc main_~method_id~0#1;main_~this_expect~0#1 := 0;main_~this_buffer_empty~0#1 := 0; {7269#true} is VALID [2022-02-20 16:07:26,733 INFO L290 TraceCheckUtils]: 2: Hoare triple {7269#true} goto; {7269#true} is VALID [2022-02-20 16:07:26,733 INFO L290 TraceCheckUtils]: 3: Hoare triple {7269#true} assume !false;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_~P1~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647;main_~P2~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647;main_~P3~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;assume -2147483648 <= main_#t~nondet7#1 && main_#t~nondet7#1 <= 2147483647;main_~P4~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;assume -2147483648 <= main_#t~nondet8#1 && main_#t~nondet8#1 <= 2147483647;main_~P5~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647;main_~P6~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1;assume -2147483648 <= main_#t~nondet10#1 && main_#t~nondet10#1 <= 2147483647;main_~P7~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;assume -2147483648 <= main_#t~nondet11#1 && main_#t~nondet11#1 <= 2147483647;main_~P8~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;assume -2147483648 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 2147483647;main_~P9~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; {7269#true} is VALID [2022-02-20 16:07:26,733 INFO L290 TraceCheckUtils]: 4: Hoare triple {7269#true} assume !(main_~this_expect~0#1 > 16); {7269#true} is VALID [2022-02-20 16:07:26,733 INFO L290 TraceCheckUtils]: 5: Hoare triple {7269#true} assume 0 == main_~q~0#1;assume -2147483648 <= main_#t~nondet13#1 && main_#t~nondet13#1 <= 2147483647; {7269#true} is VALID [2022-02-20 16:07:26,733 INFO L290 TraceCheckUtils]: 6: Hoare triple {7269#true} assume 0 != main_#t~nondet13#1;havoc main_#t~nondet13#1; {7269#true} is VALID [2022-02-20 16:07:26,734 INFO L290 TraceCheckUtils]: 7: Hoare triple {7269#true} main_~method_id~0#1 := 1; {7269#true} is VALID [2022-02-20 16:07:26,734 INFO L290 TraceCheckUtils]: 8: Hoare triple {7269#true} assume !false;main_~q~0#1 := 1;main_~this_expect~0#1 := 0;main_~this_buffer_empty~0#1 := 1; {7271#(= |ULTIMATE.start_main_~this_expect~0#1| 0)} is VALID [2022-02-20 16:07:26,734 INFO L290 TraceCheckUtils]: 9: Hoare triple {7271#(= |ULTIMATE.start_main_~this_expect~0#1| 0)} assume !false;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_~P1~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647;main_~P2~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647;main_~P3~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;assume -2147483648 <= main_#t~nondet7#1 && main_#t~nondet7#1 <= 2147483647;main_~P4~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;assume -2147483648 <= main_#t~nondet8#1 && main_#t~nondet8#1 <= 2147483647;main_~P5~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647;main_~P6~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1;assume -2147483648 <= main_#t~nondet10#1 && main_#t~nondet10#1 <= 2147483647;main_~P7~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;assume -2147483648 <= main_#t~nondet11#1 && main_#t~nondet11#1 <= 2147483647;main_~P8~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;assume -2147483648 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 2147483647;main_~P9~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; {7271#(= |ULTIMATE.start_main_~this_expect~0#1| 0)} is VALID [2022-02-20 16:07:26,734 INFO L290 TraceCheckUtils]: 10: Hoare triple {7271#(= |ULTIMATE.start_main_~this_expect~0#1| 0)} assume !(main_~this_expect~0#1 > 16); {7271#(= |ULTIMATE.start_main_~this_expect~0#1| 0)} is VALID [2022-02-20 16:07:26,735 INFO L290 TraceCheckUtils]: 11: Hoare triple {7271#(= |ULTIMATE.start_main_~this_expect~0#1| 0)} assume !(0 == main_~q~0#1); {7271#(= |ULTIMATE.start_main_~this_expect~0#1| 0)} is VALID [2022-02-20 16:07:26,736 INFO L290 TraceCheckUtils]: 12: Hoare triple {7271#(= |ULTIMATE.start_main_~this_expect~0#1| 0)} assume 1 == main_~q~0#1;assume -2147483648 <= main_#t~nondet14#1 && main_#t~nondet14#1 <= 2147483647; {7271#(= |ULTIMATE.start_main_~this_expect~0#1| 0)} is VALID [2022-02-20 16:07:26,736 INFO L290 TraceCheckUtils]: 13: Hoare triple {7271#(= |ULTIMATE.start_main_~this_expect~0#1| 0)} assume 0 != main_#t~nondet14#1;havoc main_#t~nondet14#1; {7271#(= |ULTIMATE.start_main_~this_expect~0#1| 0)} is VALID [2022-02-20 16:07:26,736 INFO L290 TraceCheckUtils]: 14: Hoare triple {7271#(= |ULTIMATE.start_main_~this_expect~0#1| 0)} assume !(0 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2));main_~method_id~0#1 := 2; {7271#(= |ULTIMATE.start_main_~this_expect~0#1| 0)} is VALID [2022-02-20 16:07:26,737 INFO L290 TraceCheckUtils]: 15: Hoare triple {7271#(= |ULTIMATE.start_main_~this_expect~0#1| 0)} assume !((((if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2) != (if main_~this_expect~0#1 < 0 && 0 != main_~this_expect~0#1 % 2 then main_~this_expect~0#1 % 2 - 2 else main_~this_expect~0#1 % 2) && 1 == main_~this_buffer_empty~0#1) && !(0 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2))) || (1 != main_~this_buffer_empty~0#1 && !(0 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2))));main_~q~0#1 := 3;main_~this_expect~0#1 := 1 + main_~this_expect~0#1;main_~this_buffer_empty~0#1 := 1 - main_~this_buffer_empty~0#1; {7272#(and (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_expect~0#1| 1))} is VALID [2022-02-20 16:07:26,738 INFO L290 TraceCheckUtils]: 16: Hoare triple {7272#(and (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_expect~0#1| 1))} assume !false;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_~P1~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647;main_~P2~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647;main_~P3~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;assume -2147483648 <= main_#t~nondet7#1 && main_#t~nondet7#1 <= 2147483647;main_~P4~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;assume -2147483648 <= main_#t~nondet8#1 && main_#t~nondet8#1 <= 2147483647;main_~P5~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647;main_~P6~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1;assume -2147483648 <= main_#t~nondet10#1 && main_#t~nondet10#1 <= 2147483647;main_~P7~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;assume -2147483648 <= main_#t~nondet11#1 && main_#t~nondet11#1 <= 2147483647;main_~P8~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;assume -2147483648 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 2147483647;main_~P9~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; {7272#(and (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_expect~0#1| 1))} is VALID [2022-02-20 16:07:26,738 INFO L290 TraceCheckUtils]: 17: Hoare triple {7272#(and (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_expect~0#1| 1))} assume !(main_~this_expect~0#1 > 16); {7272#(and (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_expect~0#1| 1))} is VALID [2022-02-20 16:07:26,738 INFO L290 TraceCheckUtils]: 18: Hoare triple {7272#(and (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_expect~0#1| 1))} assume !(0 == main_~q~0#1); {7272#(and (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_expect~0#1| 1))} is VALID [2022-02-20 16:07:26,739 INFO L290 TraceCheckUtils]: 19: Hoare triple {7272#(and (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_expect~0#1| 1))} assume !(1 == main_~q~0#1); {7272#(and (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_expect~0#1| 1))} is VALID [2022-02-20 16:07:26,739 INFO L290 TraceCheckUtils]: 20: Hoare triple {7272#(and (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_expect~0#1| 1))} assume !(2 == main_~q~0#1); {7272#(and (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_expect~0#1| 1))} is VALID [2022-02-20 16:07:26,739 INFO L290 TraceCheckUtils]: 21: Hoare triple {7272#(and (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_expect~0#1| 1))} assume 3 == main_~q~0#1;assume -2147483648 <= main_#t~nondet26#1 && main_#t~nondet26#1 <= 2147483647; {7272#(and (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_expect~0#1| 1))} is VALID [2022-02-20 16:07:26,740 INFO L290 TraceCheckUtils]: 22: Hoare triple {7272#(and (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_expect~0#1| 1))} assume !(0 != main_#t~nondet26#1);havoc main_#t~nondet26#1;assume -2147483648 <= main_#t~nondet27#1 && main_#t~nondet27#1 <= 2147483647; {7272#(and (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_expect~0#1| 1))} is VALID [2022-02-20 16:07:26,740 INFO L290 TraceCheckUtils]: 23: Hoare triple {7272#(and (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_expect~0#1| 1))} assume 0 != main_#t~nondet27#1;havoc main_#t~nondet27#1; {7272#(and (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_expect~0#1| 1))} is VALID [2022-02-20 16:07:26,740 INFO L290 TraceCheckUtils]: 24: Hoare triple {7272#(and (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_expect~0#1| 1))} assume !(0 != main_~P1~0#1);main_~method_id~0#1 := 3; {7272#(and (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_expect~0#1| 1))} is VALID [2022-02-20 16:07:26,741 INFO L290 TraceCheckUtils]: 25: Hoare triple {7272#(and (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_expect~0#1| 1))} assume !((1 == main_~this_buffer_empty~0#1 && !(0 != main_~P3~0#1)) || ((main_~P3~0#1 != (if main_~this_expect~0#1 - 1 < 0 && 0 != (main_~this_expect~0#1 - 1) % 2 then (main_~this_expect~0#1 - 1) % 2 - 2 else (main_~this_expect~0#1 - 1) % 2) && 1 != main_~this_buffer_empty~0#1) && !(0 != main_~P3~0#1)));main_~q~0#1 := 4;main_~this_expect~0#1 := main_~this_expect~0#1;main_~this_buffer_empty~0#1 := 1 - main_~this_buffer_empty~0#1; {7273#(not (= (* 2 (div |ULTIMATE.start_main_~this_expect~0#1| 2)) |ULTIMATE.start_main_~this_expect~0#1|))} is VALID [2022-02-20 16:07:26,742 INFO L290 TraceCheckUtils]: 26: Hoare triple {7273#(not (= (* 2 (div |ULTIMATE.start_main_~this_expect~0#1| 2)) |ULTIMATE.start_main_~this_expect~0#1|))} assume !false;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_~P1~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647;main_~P2~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647;main_~P3~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;assume -2147483648 <= main_#t~nondet7#1 && main_#t~nondet7#1 <= 2147483647;main_~P4~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;assume -2147483648 <= main_#t~nondet8#1 && main_#t~nondet8#1 <= 2147483647;main_~P5~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647;main_~P6~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1;assume -2147483648 <= main_#t~nondet10#1 && main_#t~nondet10#1 <= 2147483647;main_~P7~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;assume -2147483648 <= main_#t~nondet11#1 && main_#t~nondet11#1 <= 2147483647;main_~P8~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;assume -2147483648 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 2147483647;main_~P9~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; {7273#(not (= (* 2 (div |ULTIMATE.start_main_~this_expect~0#1| 2)) |ULTIMATE.start_main_~this_expect~0#1|))} is VALID [2022-02-20 16:07:26,742 INFO L290 TraceCheckUtils]: 27: Hoare triple {7273#(not (= (* 2 (div |ULTIMATE.start_main_~this_expect~0#1| 2)) |ULTIMATE.start_main_~this_expect~0#1|))} assume !(main_~this_expect~0#1 > 16); {7273#(not (= (* 2 (div |ULTIMATE.start_main_~this_expect~0#1| 2)) |ULTIMATE.start_main_~this_expect~0#1|))} is VALID [2022-02-20 16:07:26,742 INFO L290 TraceCheckUtils]: 28: Hoare triple {7273#(not (= (* 2 (div |ULTIMATE.start_main_~this_expect~0#1| 2)) |ULTIMATE.start_main_~this_expect~0#1|))} assume !(0 == main_~q~0#1); {7273#(not (= (* 2 (div |ULTIMATE.start_main_~this_expect~0#1| 2)) |ULTIMATE.start_main_~this_expect~0#1|))} is VALID [2022-02-20 16:07:26,743 INFO L290 TraceCheckUtils]: 29: Hoare triple {7273#(not (= (* 2 (div |ULTIMATE.start_main_~this_expect~0#1| 2)) |ULTIMATE.start_main_~this_expect~0#1|))} assume !(1 == main_~q~0#1); {7273#(not (= (* 2 (div |ULTIMATE.start_main_~this_expect~0#1| 2)) |ULTIMATE.start_main_~this_expect~0#1|))} is VALID [2022-02-20 16:07:26,744 INFO L290 TraceCheckUtils]: 30: Hoare triple {7273#(not (= (* 2 (div |ULTIMATE.start_main_~this_expect~0#1| 2)) |ULTIMATE.start_main_~this_expect~0#1|))} assume !(2 == main_~q~0#1); {7273#(not (= (* 2 (div |ULTIMATE.start_main_~this_expect~0#1| 2)) |ULTIMATE.start_main_~this_expect~0#1|))} is VALID [2022-02-20 16:07:26,744 INFO L290 TraceCheckUtils]: 31: Hoare triple {7273#(not (= (* 2 (div |ULTIMATE.start_main_~this_expect~0#1| 2)) |ULTIMATE.start_main_~this_expect~0#1|))} assume !(3 == main_~q~0#1); {7273#(not (= (* 2 (div |ULTIMATE.start_main_~this_expect~0#1| 2)) |ULTIMATE.start_main_~this_expect~0#1|))} is VALID [2022-02-20 16:07:26,744 INFO L290 TraceCheckUtils]: 32: Hoare triple {7273#(not (= (* 2 (div |ULTIMATE.start_main_~this_expect~0#1| 2)) |ULTIMATE.start_main_~this_expect~0#1|))} assume 4 == main_~q~0#1;assume -2147483648 <= main_#t~nondet32#1 && main_#t~nondet32#1 <= 2147483647; {7273#(not (= (* 2 (div |ULTIMATE.start_main_~this_expect~0#1| 2)) |ULTIMATE.start_main_~this_expect~0#1|))} is VALID [2022-02-20 16:07:26,745 INFO L290 TraceCheckUtils]: 33: Hoare triple {7273#(not (= (* 2 (div |ULTIMATE.start_main_~this_expect~0#1| 2)) |ULTIMATE.start_main_~this_expect~0#1|))} assume 0 != main_#t~nondet32#1;havoc main_#t~nondet32#1; {7273#(not (= (* 2 (div |ULTIMATE.start_main_~this_expect~0#1| 2)) |ULTIMATE.start_main_~this_expect~0#1|))} is VALID [2022-02-20 16:07:26,745 INFO L290 TraceCheckUtils]: 34: Hoare triple {7273#(not (= (* 2 (div |ULTIMATE.start_main_~this_expect~0#1| 2)) |ULTIMATE.start_main_~this_expect~0#1|))} assume !(0 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2));main_~method_id~0#1 := 2; {7274#(and (not (= (+ (* (- 2) (div |ULTIMATE.start_main_~this_expect~0#1| 2)) |ULTIMATE.start_main_~this_expect~0#1|) 0)) (= 0 (+ |ULTIMATE.start_main_~P1~0#1| (* (- 2) (div |ULTIMATE.start_main_~P1~0#1| 2)))))} is VALID [2022-02-20 16:07:26,746 INFO L290 TraceCheckUtils]: 35: Hoare triple {7274#(and (not (= (+ (* (- 2) (div |ULTIMATE.start_main_~this_expect~0#1| 2)) |ULTIMATE.start_main_~this_expect~0#1|) 0)) (= 0 (+ |ULTIMATE.start_main_~P1~0#1| (* (- 2) (div |ULTIMATE.start_main_~P1~0#1| 2)))))} assume ((if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2) == (if main_~this_expect~0#1 < 0 && 0 != main_~this_expect~0#1 % 2 then main_~this_expect~0#1 % 2 - 2 else main_~this_expect~0#1 % 2) && 1 == main_~this_buffer_empty~0#1) && !(0 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2)); {7270#false} is VALID [2022-02-20 16:07:26,746 INFO L290 TraceCheckUtils]: 36: Hoare triple {7270#false} assume !false; {7270#false} is VALID [2022-02-20 16:07:26,746 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 9 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 16:07:26,747 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 16:07:26,747 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [360657061] [2022-02-20 16:07:26,747 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [360657061] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-20 16:07:26,747 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1146779205] [2022-02-20 16:07:26,747 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 16:07:26,747 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 16:07:26,747 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 16:07:26,748 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-20 16:07:26,749 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-02-20 16:07:26,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 16:07:26,819 INFO L263 TraceCheckSpWp]: Trace formula consists of 269 conjuncts, 10 conjunts are in the unsatisfiable core [2022-02-20 16:07:26,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 16:07:26,829 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-20 16:07:27,060 INFO L290 TraceCheckUtils]: 0: Hoare triple {7269#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(16, 2);call #Ultimate.allocInit(12, 3);~m_Protocol~0 := 1;~m_msg_2~0 := 2;~m_recv_ack_2~0 := 3;~m_msg_1_1~0 := 4;~m_msg_1_2~0 := 5;~m_recv_ack_1_1~0 := 6;~m_recv_ack_1_2~0 := 7; {7269#true} is VALID [2022-02-20 16:07:27,061 INFO L290 TraceCheckUtils]: 1: Hoare triple {7269#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~nondet5#1, main_#t~nondet6#1, main_#t~nondet7#1, main_#t~nondet8#1, main_#t~nondet9#1, main_#t~nondet10#1, main_#t~nondet11#1, main_#t~nondet12#1, main_#t~nondet13#1, main_#t~nondet14#1, main_#t~nondet15#1, main_#t~nondet16#1, main_#t~nondet17#1, main_#t~nondet18#1, main_#t~nondet19#1, main_#t~nondet20#1, main_#t~nondet21#1, main_#t~nondet22#1, main_#t~nondet23#1, main_#t~nondet24#1, main_#t~nondet25#1, main_#t~nondet26#1, main_#t~nondet27#1, main_#t~nondet28#1, main_#t~nondet29#1, main_#t~nondet30#1, main_#t~nondet31#1, main_#t~nondet32#1, main_#t~nondet33#1, main_#t~nondet34#1, main_#t~nondet35#1, main_#t~nondet36#1, main_#t~nondet37#1, main_#t~nondet38#1, main_#t~nondet39#1, main_#t~nondet40#1, main_#t~nondet41#1, main_#t~nondet42#1, main_#t~nondet43#1, main_~P1~0#1, main_~P2~0#1, main_~P3~0#1, main_~P4~0#1, main_~P5~0#1, main_~P6~0#1, main_~P7~0#1, main_~P8~0#1, main_~P9~0#1, main_~q~0#1, main_~method_id~0#1, main_~this_expect~0#1, main_~this_buffer_empty~0#1;main_~q~0#1 := 0;havoc main_~method_id~0#1;main_~this_expect~0#1 := 0;main_~this_buffer_empty~0#1 := 0; {7269#true} is VALID [2022-02-20 16:07:27,061 INFO L290 TraceCheckUtils]: 2: Hoare triple {7269#true} goto; {7269#true} is VALID [2022-02-20 16:07:27,061 INFO L290 TraceCheckUtils]: 3: Hoare triple {7269#true} assume !false;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_~P1~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647;main_~P2~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647;main_~P3~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;assume -2147483648 <= main_#t~nondet7#1 && main_#t~nondet7#1 <= 2147483647;main_~P4~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;assume -2147483648 <= main_#t~nondet8#1 && main_#t~nondet8#1 <= 2147483647;main_~P5~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647;main_~P6~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1;assume -2147483648 <= main_#t~nondet10#1 && main_#t~nondet10#1 <= 2147483647;main_~P7~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;assume -2147483648 <= main_#t~nondet11#1 && main_#t~nondet11#1 <= 2147483647;main_~P8~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;assume -2147483648 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 2147483647;main_~P9~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; {7269#true} is VALID [2022-02-20 16:07:27,061 INFO L290 TraceCheckUtils]: 4: Hoare triple {7269#true} assume !(main_~this_expect~0#1 > 16); {7269#true} is VALID [2022-02-20 16:07:27,061 INFO L290 TraceCheckUtils]: 5: Hoare triple {7269#true} assume 0 == main_~q~0#1;assume -2147483648 <= main_#t~nondet13#1 && main_#t~nondet13#1 <= 2147483647; {7269#true} is VALID [2022-02-20 16:07:27,061 INFO L290 TraceCheckUtils]: 6: Hoare triple {7269#true} assume 0 != main_#t~nondet13#1;havoc main_#t~nondet13#1; {7269#true} is VALID [2022-02-20 16:07:27,061 INFO L290 TraceCheckUtils]: 7: Hoare triple {7269#true} main_~method_id~0#1 := 1; {7269#true} is VALID [2022-02-20 16:07:27,062 INFO L290 TraceCheckUtils]: 8: Hoare triple {7269#true} assume !false;main_~q~0#1 := 1;main_~this_expect~0#1 := 0;main_~this_buffer_empty~0#1 := 1; {7271#(= |ULTIMATE.start_main_~this_expect~0#1| 0)} is VALID [2022-02-20 16:07:27,062 INFO L290 TraceCheckUtils]: 9: Hoare triple {7271#(= |ULTIMATE.start_main_~this_expect~0#1| 0)} assume !false;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_~P1~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647;main_~P2~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647;main_~P3~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;assume -2147483648 <= main_#t~nondet7#1 && main_#t~nondet7#1 <= 2147483647;main_~P4~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;assume -2147483648 <= main_#t~nondet8#1 && main_#t~nondet8#1 <= 2147483647;main_~P5~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647;main_~P6~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1;assume -2147483648 <= main_#t~nondet10#1 && main_#t~nondet10#1 <= 2147483647;main_~P7~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;assume -2147483648 <= main_#t~nondet11#1 && main_#t~nondet11#1 <= 2147483647;main_~P8~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;assume -2147483648 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 2147483647;main_~P9~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; {7271#(= |ULTIMATE.start_main_~this_expect~0#1| 0)} is VALID [2022-02-20 16:07:27,062 INFO L290 TraceCheckUtils]: 10: Hoare triple {7271#(= |ULTIMATE.start_main_~this_expect~0#1| 0)} assume !(main_~this_expect~0#1 > 16); {7271#(= |ULTIMATE.start_main_~this_expect~0#1| 0)} is VALID [2022-02-20 16:07:27,063 INFO L290 TraceCheckUtils]: 11: Hoare triple {7271#(= |ULTIMATE.start_main_~this_expect~0#1| 0)} assume !(0 == main_~q~0#1); {7271#(= |ULTIMATE.start_main_~this_expect~0#1| 0)} is VALID [2022-02-20 16:07:27,063 INFO L290 TraceCheckUtils]: 12: Hoare triple {7271#(= |ULTIMATE.start_main_~this_expect~0#1| 0)} assume 1 == main_~q~0#1;assume -2147483648 <= main_#t~nondet14#1 && main_#t~nondet14#1 <= 2147483647; {7271#(= |ULTIMATE.start_main_~this_expect~0#1| 0)} is VALID [2022-02-20 16:07:27,063 INFO L290 TraceCheckUtils]: 13: Hoare triple {7271#(= |ULTIMATE.start_main_~this_expect~0#1| 0)} assume 0 != main_#t~nondet14#1;havoc main_#t~nondet14#1; {7271#(= |ULTIMATE.start_main_~this_expect~0#1| 0)} is VALID [2022-02-20 16:07:27,063 INFO L290 TraceCheckUtils]: 14: Hoare triple {7271#(= |ULTIMATE.start_main_~this_expect~0#1| 0)} assume !(0 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2));main_~method_id~0#1 := 2; {7271#(= |ULTIMATE.start_main_~this_expect~0#1| 0)} is VALID [2022-02-20 16:07:27,064 INFO L290 TraceCheckUtils]: 15: Hoare triple {7271#(= |ULTIMATE.start_main_~this_expect~0#1| 0)} assume !((((if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2) != (if main_~this_expect~0#1 < 0 && 0 != main_~this_expect~0#1 % 2 then main_~this_expect~0#1 % 2 - 2 else main_~this_expect~0#1 % 2) && 1 == main_~this_buffer_empty~0#1) && !(0 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2))) || (1 != main_~this_buffer_empty~0#1 && !(0 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2))));main_~q~0#1 := 3;main_~this_expect~0#1 := 1 + main_~this_expect~0#1;main_~this_buffer_empty~0#1 := 1 - main_~this_buffer_empty~0#1; {7272#(and (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_expect~0#1| 1))} is VALID [2022-02-20 16:07:27,065 INFO L290 TraceCheckUtils]: 16: Hoare triple {7272#(and (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_expect~0#1| 1))} assume !false;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_~P1~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647;main_~P2~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647;main_~P3~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;assume -2147483648 <= main_#t~nondet7#1 && main_#t~nondet7#1 <= 2147483647;main_~P4~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;assume -2147483648 <= main_#t~nondet8#1 && main_#t~nondet8#1 <= 2147483647;main_~P5~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647;main_~P6~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1;assume -2147483648 <= main_#t~nondet10#1 && main_#t~nondet10#1 <= 2147483647;main_~P7~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;assume -2147483648 <= main_#t~nondet11#1 && main_#t~nondet11#1 <= 2147483647;main_~P8~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;assume -2147483648 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 2147483647;main_~P9~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; {7272#(and (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_expect~0#1| 1))} is VALID [2022-02-20 16:07:27,065 INFO L290 TraceCheckUtils]: 17: Hoare triple {7272#(and (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_expect~0#1| 1))} assume !(main_~this_expect~0#1 > 16); {7272#(and (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_expect~0#1| 1))} is VALID [2022-02-20 16:07:27,065 INFO L290 TraceCheckUtils]: 18: Hoare triple {7272#(and (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_expect~0#1| 1))} assume !(0 == main_~q~0#1); {7272#(and (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_expect~0#1| 1))} is VALID [2022-02-20 16:07:27,066 INFO L290 TraceCheckUtils]: 19: Hoare triple {7272#(and (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_expect~0#1| 1))} assume !(1 == main_~q~0#1); {7272#(and (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_expect~0#1| 1))} is VALID [2022-02-20 16:07:27,066 INFO L290 TraceCheckUtils]: 20: Hoare triple {7272#(and (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_expect~0#1| 1))} assume !(2 == main_~q~0#1); {7272#(and (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_expect~0#1| 1))} is VALID [2022-02-20 16:07:27,066 INFO L290 TraceCheckUtils]: 21: Hoare triple {7272#(and (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_expect~0#1| 1))} assume 3 == main_~q~0#1;assume -2147483648 <= main_#t~nondet26#1 && main_#t~nondet26#1 <= 2147483647; {7272#(and (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_expect~0#1| 1))} is VALID [2022-02-20 16:07:27,067 INFO L290 TraceCheckUtils]: 22: Hoare triple {7272#(and (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_expect~0#1| 1))} assume !(0 != main_#t~nondet26#1);havoc main_#t~nondet26#1;assume -2147483648 <= main_#t~nondet27#1 && main_#t~nondet27#1 <= 2147483647; {7272#(and (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_expect~0#1| 1))} is VALID [2022-02-20 16:07:27,067 INFO L290 TraceCheckUtils]: 23: Hoare triple {7272#(and (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_expect~0#1| 1))} assume 0 != main_#t~nondet27#1;havoc main_#t~nondet27#1; {7272#(and (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_expect~0#1| 1))} is VALID [2022-02-20 16:07:27,067 INFO L290 TraceCheckUtils]: 24: Hoare triple {7272#(and (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_expect~0#1| 1))} assume !(0 != main_~P1~0#1);main_~method_id~0#1 := 3; {7272#(and (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_expect~0#1| 1))} is VALID [2022-02-20 16:07:27,068 INFO L290 TraceCheckUtils]: 25: Hoare triple {7272#(and (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_expect~0#1| 1))} assume !((1 == main_~this_buffer_empty~0#1 && !(0 != main_~P3~0#1)) || ((main_~P3~0#1 != (if main_~this_expect~0#1 - 1 < 0 && 0 != (main_~this_expect~0#1 - 1) % 2 then (main_~this_expect~0#1 - 1) % 2 - 2 else (main_~this_expect~0#1 - 1) % 2) && 1 != main_~this_buffer_empty~0#1) && !(0 != main_~P3~0#1)));main_~q~0#1 := 4;main_~this_expect~0#1 := main_~this_expect~0#1;main_~this_buffer_empty~0#1 := 1 - main_~this_buffer_empty~0#1; {7272#(and (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_expect~0#1| 1))} is VALID [2022-02-20 16:07:27,069 INFO L290 TraceCheckUtils]: 26: Hoare triple {7272#(and (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_expect~0#1| 1))} assume !false;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_~P1~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647;main_~P2~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647;main_~P3~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;assume -2147483648 <= main_#t~nondet7#1 && main_#t~nondet7#1 <= 2147483647;main_~P4~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;assume -2147483648 <= main_#t~nondet8#1 && main_#t~nondet8#1 <= 2147483647;main_~P5~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647;main_~P6~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1;assume -2147483648 <= main_#t~nondet10#1 && main_#t~nondet10#1 <= 2147483647;main_~P7~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;assume -2147483648 <= main_#t~nondet11#1 && main_#t~nondet11#1 <= 2147483647;main_~P8~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;assume -2147483648 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 2147483647;main_~P9~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; {7272#(and (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_expect~0#1| 1))} is VALID [2022-02-20 16:07:27,069 INFO L290 TraceCheckUtils]: 27: Hoare triple {7272#(and (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_expect~0#1| 1))} assume !(main_~this_expect~0#1 > 16); {7272#(and (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_expect~0#1| 1))} is VALID [2022-02-20 16:07:27,069 INFO L290 TraceCheckUtils]: 28: Hoare triple {7272#(and (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_expect~0#1| 1))} assume !(0 == main_~q~0#1); {7272#(and (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_expect~0#1| 1))} is VALID [2022-02-20 16:07:27,070 INFO L290 TraceCheckUtils]: 29: Hoare triple {7272#(and (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_expect~0#1| 1))} assume !(1 == main_~q~0#1); {7272#(and (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_expect~0#1| 1))} is VALID [2022-02-20 16:07:27,074 INFO L290 TraceCheckUtils]: 30: Hoare triple {7272#(and (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_expect~0#1| 1))} assume !(2 == main_~q~0#1); {7272#(and (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_expect~0#1| 1))} is VALID [2022-02-20 16:07:27,075 INFO L290 TraceCheckUtils]: 31: Hoare triple {7272#(and (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_expect~0#1| 1))} assume !(3 == main_~q~0#1); {7272#(and (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_expect~0#1| 1))} is VALID [2022-02-20 16:07:27,075 INFO L290 TraceCheckUtils]: 32: Hoare triple {7272#(and (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_expect~0#1| 1))} assume 4 == main_~q~0#1;assume -2147483648 <= main_#t~nondet32#1 && main_#t~nondet32#1 <= 2147483647; {7272#(and (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_expect~0#1| 1))} is VALID [2022-02-20 16:07:27,075 INFO L290 TraceCheckUtils]: 33: Hoare triple {7272#(and (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_expect~0#1| 1))} assume 0 != main_#t~nondet32#1;havoc main_#t~nondet32#1; {7272#(and (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_expect~0#1| 1))} is VALID [2022-02-20 16:07:27,076 INFO L290 TraceCheckUtils]: 34: Hoare triple {7272#(and (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_expect~0#1| 1))} assume !(0 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2));main_~method_id~0#1 := 2; {7380#(and (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_expect~0#1| 1) (or (= (mod |ULTIMATE.start_main_~P1~0#1| 2) 0) (not (< |ULTIMATE.start_main_~P1~0#1| 0))))} is VALID [2022-02-20 16:07:27,076 INFO L290 TraceCheckUtils]: 35: Hoare triple {7380#(and (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_expect~0#1| 1) (or (= (mod |ULTIMATE.start_main_~P1~0#1| 2) 0) (not (< |ULTIMATE.start_main_~P1~0#1| 0))))} assume ((if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2) == (if main_~this_expect~0#1 < 0 && 0 != main_~this_expect~0#1 % 2 then main_~this_expect~0#1 % 2 - 2 else main_~this_expect~0#1 % 2) && 1 == main_~this_buffer_empty~0#1) && !(0 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2)); {7270#false} is VALID [2022-02-20 16:07:27,077 INFO L290 TraceCheckUtils]: 36: Hoare triple {7270#false} assume !false; {7270#false} is VALID [2022-02-20 16:07:27,077 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 9 proven. 8 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-02-20 16:07:27,077 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-20 16:07:27,468 INFO L290 TraceCheckUtils]: 36: Hoare triple {7270#false} assume !false; {7270#false} is VALID [2022-02-20 16:07:27,469 INFO L290 TraceCheckUtils]: 35: Hoare triple {7390#(or (and (not (<= (mod |ULTIMATE.start_main_~P1~0#1| 2) 0)) (not (< |ULTIMATE.start_main_~P1~0#1| 0))) (and (or (not (< |ULTIMATE.start_main_~this_expect~0#1| 0)) (not (= (+ (mod |ULTIMATE.start_main_~P1~0#1| 2) (- 2)) (+ (- 2) (mod |ULTIMATE.start_main_~this_expect~0#1| 2))))) (or (not (= (mod |ULTIMATE.start_main_~P1~0#1| 2) (mod |ULTIMATE.start_main_~this_expect~0#1| 2))) (not (= (mod |ULTIMATE.start_main_~P1~0#1| 2) 0)))))} assume ((if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2) == (if main_~this_expect~0#1 < 0 && 0 != main_~this_expect~0#1 % 2 then main_~this_expect~0#1 % 2 - 2 else main_~this_expect~0#1 % 2) && 1 == main_~this_buffer_empty~0#1) && !(0 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2)); {7270#false} is VALID [2022-02-20 16:07:27,470 INFO L290 TraceCheckUtils]: 34: Hoare triple {7273#(not (= (* 2 (div |ULTIMATE.start_main_~this_expect~0#1| 2)) |ULTIMATE.start_main_~this_expect~0#1|))} assume !(0 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2));main_~method_id~0#1 := 2; {7390#(or (and (not (<= (mod |ULTIMATE.start_main_~P1~0#1| 2) 0)) (not (< |ULTIMATE.start_main_~P1~0#1| 0))) (and (or (not (< |ULTIMATE.start_main_~this_expect~0#1| 0)) (not (= (+ (mod |ULTIMATE.start_main_~P1~0#1| 2) (- 2)) (+ (- 2) (mod |ULTIMATE.start_main_~this_expect~0#1| 2))))) (or (not (= (mod |ULTIMATE.start_main_~P1~0#1| 2) (mod |ULTIMATE.start_main_~this_expect~0#1| 2))) (not (= (mod |ULTIMATE.start_main_~P1~0#1| 2) 0)))))} is VALID [2022-02-20 16:07:27,470 INFO L290 TraceCheckUtils]: 33: Hoare triple {7273#(not (= (* 2 (div |ULTIMATE.start_main_~this_expect~0#1| 2)) |ULTIMATE.start_main_~this_expect~0#1|))} assume 0 != main_#t~nondet32#1;havoc main_#t~nondet32#1; {7273#(not (= (* 2 (div |ULTIMATE.start_main_~this_expect~0#1| 2)) |ULTIMATE.start_main_~this_expect~0#1|))} is VALID [2022-02-20 16:07:27,471 INFO L290 TraceCheckUtils]: 32: Hoare triple {7273#(not (= (* 2 (div |ULTIMATE.start_main_~this_expect~0#1| 2)) |ULTIMATE.start_main_~this_expect~0#1|))} assume 4 == main_~q~0#1;assume -2147483648 <= main_#t~nondet32#1 && main_#t~nondet32#1 <= 2147483647; {7273#(not (= (* 2 (div |ULTIMATE.start_main_~this_expect~0#1| 2)) |ULTIMATE.start_main_~this_expect~0#1|))} is VALID [2022-02-20 16:07:27,471 INFO L290 TraceCheckUtils]: 31: Hoare triple {7273#(not (= (* 2 (div |ULTIMATE.start_main_~this_expect~0#1| 2)) |ULTIMATE.start_main_~this_expect~0#1|))} assume !(3 == main_~q~0#1); {7273#(not (= (* 2 (div |ULTIMATE.start_main_~this_expect~0#1| 2)) |ULTIMATE.start_main_~this_expect~0#1|))} is VALID [2022-02-20 16:07:27,471 INFO L290 TraceCheckUtils]: 30: Hoare triple {7273#(not (= (* 2 (div |ULTIMATE.start_main_~this_expect~0#1| 2)) |ULTIMATE.start_main_~this_expect~0#1|))} assume !(2 == main_~q~0#1); {7273#(not (= (* 2 (div |ULTIMATE.start_main_~this_expect~0#1| 2)) |ULTIMATE.start_main_~this_expect~0#1|))} is VALID [2022-02-20 16:07:27,472 INFO L290 TraceCheckUtils]: 29: Hoare triple {7273#(not (= (* 2 (div |ULTIMATE.start_main_~this_expect~0#1| 2)) |ULTIMATE.start_main_~this_expect~0#1|))} assume !(1 == main_~q~0#1); {7273#(not (= (* 2 (div |ULTIMATE.start_main_~this_expect~0#1| 2)) |ULTIMATE.start_main_~this_expect~0#1|))} is VALID [2022-02-20 16:07:27,472 INFO L290 TraceCheckUtils]: 28: Hoare triple {7273#(not (= (* 2 (div |ULTIMATE.start_main_~this_expect~0#1| 2)) |ULTIMATE.start_main_~this_expect~0#1|))} assume !(0 == main_~q~0#1); {7273#(not (= (* 2 (div |ULTIMATE.start_main_~this_expect~0#1| 2)) |ULTIMATE.start_main_~this_expect~0#1|))} is VALID [2022-02-20 16:07:27,472 INFO L290 TraceCheckUtils]: 27: Hoare triple {7273#(not (= (* 2 (div |ULTIMATE.start_main_~this_expect~0#1| 2)) |ULTIMATE.start_main_~this_expect~0#1|))} assume !(main_~this_expect~0#1 > 16); {7273#(not (= (* 2 (div |ULTIMATE.start_main_~this_expect~0#1| 2)) |ULTIMATE.start_main_~this_expect~0#1|))} is VALID [2022-02-20 16:07:27,473 INFO L290 TraceCheckUtils]: 26: Hoare triple {7273#(not (= (* 2 (div |ULTIMATE.start_main_~this_expect~0#1| 2)) |ULTIMATE.start_main_~this_expect~0#1|))} assume !false;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_~P1~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647;main_~P2~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647;main_~P3~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;assume -2147483648 <= main_#t~nondet7#1 && main_#t~nondet7#1 <= 2147483647;main_~P4~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;assume -2147483648 <= main_#t~nondet8#1 && main_#t~nondet8#1 <= 2147483647;main_~P5~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647;main_~P6~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1;assume -2147483648 <= main_#t~nondet10#1 && main_#t~nondet10#1 <= 2147483647;main_~P7~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;assume -2147483648 <= main_#t~nondet11#1 && main_#t~nondet11#1 <= 2147483647;main_~P8~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;assume -2147483648 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 2147483647;main_~P9~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; {7273#(not (= (* 2 (div |ULTIMATE.start_main_~this_expect~0#1| 2)) |ULTIMATE.start_main_~this_expect~0#1|))} is VALID [2022-02-20 16:07:27,473 INFO L290 TraceCheckUtils]: 25: Hoare triple {7273#(not (= (* 2 (div |ULTIMATE.start_main_~this_expect~0#1| 2)) |ULTIMATE.start_main_~this_expect~0#1|))} assume !((1 == main_~this_buffer_empty~0#1 && !(0 != main_~P3~0#1)) || ((main_~P3~0#1 != (if main_~this_expect~0#1 - 1 < 0 && 0 != (main_~this_expect~0#1 - 1) % 2 then (main_~this_expect~0#1 - 1) % 2 - 2 else (main_~this_expect~0#1 - 1) % 2) && 1 != main_~this_buffer_empty~0#1) && !(0 != main_~P3~0#1)));main_~q~0#1 := 4;main_~this_expect~0#1 := main_~this_expect~0#1;main_~this_buffer_empty~0#1 := 1 - main_~this_buffer_empty~0#1; {7273#(not (= (* 2 (div |ULTIMATE.start_main_~this_expect~0#1| 2)) |ULTIMATE.start_main_~this_expect~0#1|))} is VALID [2022-02-20 16:07:27,474 INFO L290 TraceCheckUtils]: 24: Hoare triple {7273#(not (= (* 2 (div |ULTIMATE.start_main_~this_expect~0#1| 2)) |ULTIMATE.start_main_~this_expect~0#1|))} assume !(0 != main_~P1~0#1);main_~method_id~0#1 := 3; {7273#(not (= (* 2 (div |ULTIMATE.start_main_~this_expect~0#1| 2)) |ULTIMATE.start_main_~this_expect~0#1|))} is VALID [2022-02-20 16:07:27,474 INFO L290 TraceCheckUtils]: 23: Hoare triple {7273#(not (= (* 2 (div |ULTIMATE.start_main_~this_expect~0#1| 2)) |ULTIMATE.start_main_~this_expect~0#1|))} assume 0 != main_#t~nondet27#1;havoc main_#t~nondet27#1; {7273#(not (= (* 2 (div |ULTIMATE.start_main_~this_expect~0#1| 2)) |ULTIMATE.start_main_~this_expect~0#1|))} is VALID [2022-02-20 16:07:27,474 INFO L290 TraceCheckUtils]: 22: Hoare triple {7273#(not (= (* 2 (div |ULTIMATE.start_main_~this_expect~0#1| 2)) |ULTIMATE.start_main_~this_expect~0#1|))} assume !(0 != main_#t~nondet26#1);havoc main_#t~nondet26#1;assume -2147483648 <= main_#t~nondet27#1 && main_#t~nondet27#1 <= 2147483647; {7273#(not (= (* 2 (div |ULTIMATE.start_main_~this_expect~0#1| 2)) |ULTIMATE.start_main_~this_expect~0#1|))} is VALID [2022-02-20 16:07:27,475 INFO L290 TraceCheckUtils]: 21: Hoare triple {7273#(not (= (* 2 (div |ULTIMATE.start_main_~this_expect~0#1| 2)) |ULTIMATE.start_main_~this_expect~0#1|))} assume 3 == main_~q~0#1;assume -2147483648 <= main_#t~nondet26#1 && main_#t~nondet26#1 <= 2147483647; {7273#(not (= (* 2 (div |ULTIMATE.start_main_~this_expect~0#1| 2)) |ULTIMATE.start_main_~this_expect~0#1|))} is VALID [2022-02-20 16:07:27,475 INFO L290 TraceCheckUtils]: 20: Hoare triple {7273#(not (= (* 2 (div |ULTIMATE.start_main_~this_expect~0#1| 2)) |ULTIMATE.start_main_~this_expect~0#1|))} assume !(2 == main_~q~0#1); {7273#(not (= (* 2 (div |ULTIMATE.start_main_~this_expect~0#1| 2)) |ULTIMATE.start_main_~this_expect~0#1|))} is VALID [2022-02-20 16:07:27,476 INFO L290 TraceCheckUtils]: 19: Hoare triple {7273#(not (= (* 2 (div |ULTIMATE.start_main_~this_expect~0#1| 2)) |ULTIMATE.start_main_~this_expect~0#1|))} assume !(1 == main_~q~0#1); {7273#(not (= (* 2 (div |ULTIMATE.start_main_~this_expect~0#1| 2)) |ULTIMATE.start_main_~this_expect~0#1|))} is VALID [2022-02-20 16:07:27,476 INFO L290 TraceCheckUtils]: 18: Hoare triple {7273#(not (= (* 2 (div |ULTIMATE.start_main_~this_expect~0#1| 2)) |ULTIMATE.start_main_~this_expect~0#1|))} assume !(0 == main_~q~0#1); {7273#(not (= (* 2 (div |ULTIMATE.start_main_~this_expect~0#1| 2)) |ULTIMATE.start_main_~this_expect~0#1|))} is VALID [2022-02-20 16:07:27,476 INFO L290 TraceCheckUtils]: 17: Hoare triple {7273#(not (= (* 2 (div |ULTIMATE.start_main_~this_expect~0#1| 2)) |ULTIMATE.start_main_~this_expect~0#1|))} assume !(main_~this_expect~0#1 > 16); {7273#(not (= (* 2 (div |ULTIMATE.start_main_~this_expect~0#1| 2)) |ULTIMATE.start_main_~this_expect~0#1|))} is VALID [2022-02-20 16:07:27,477 INFO L290 TraceCheckUtils]: 16: Hoare triple {7273#(not (= (* 2 (div |ULTIMATE.start_main_~this_expect~0#1| 2)) |ULTIMATE.start_main_~this_expect~0#1|))} assume !false;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_~P1~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647;main_~P2~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647;main_~P3~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;assume -2147483648 <= main_#t~nondet7#1 && main_#t~nondet7#1 <= 2147483647;main_~P4~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;assume -2147483648 <= main_#t~nondet8#1 && main_#t~nondet8#1 <= 2147483647;main_~P5~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647;main_~P6~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1;assume -2147483648 <= main_#t~nondet10#1 && main_#t~nondet10#1 <= 2147483647;main_~P7~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;assume -2147483648 <= main_#t~nondet11#1 && main_#t~nondet11#1 <= 2147483647;main_~P8~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;assume -2147483648 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 2147483647;main_~P9~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; {7273#(not (= (* 2 (div |ULTIMATE.start_main_~this_expect~0#1| 2)) |ULTIMATE.start_main_~this_expect~0#1|))} is VALID [2022-02-20 16:07:27,478 INFO L290 TraceCheckUtils]: 15: Hoare triple {7451#(not (= (* (div (+ |ULTIMATE.start_main_~this_expect~0#1| 1) 2) 2) (+ |ULTIMATE.start_main_~this_expect~0#1| 1)))} assume !((((if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2) != (if main_~this_expect~0#1 < 0 && 0 != main_~this_expect~0#1 % 2 then main_~this_expect~0#1 % 2 - 2 else main_~this_expect~0#1 % 2) && 1 == main_~this_buffer_empty~0#1) && !(0 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2))) || (1 != main_~this_buffer_empty~0#1 && !(0 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2))));main_~q~0#1 := 3;main_~this_expect~0#1 := 1 + main_~this_expect~0#1;main_~this_buffer_empty~0#1 := 1 - main_~this_buffer_empty~0#1; {7273#(not (= (* 2 (div |ULTIMATE.start_main_~this_expect~0#1| 2)) |ULTIMATE.start_main_~this_expect~0#1|))} is VALID [2022-02-20 16:07:27,478 INFO L290 TraceCheckUtils]: 14: Hoare triple {7451#(not (= (* (div (+ |ULTIMATE.start_main_~this_expect~0#1| 1) 2) 2) (+ |ULTIMATE.start_main_~this_expect~0#1| 1)))} assume !(0 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2));main_~method_id~0#1 := 2; {7451#(not (= (* (div (+ |ULTIMATE.start_main_~this_expect~0#1| 1) 2) 2) (+ |ULTIMATE.start_main_~this_expect~0#1| 1)))} is VALID [2022-02-20 16:07:27,478 INFO L290 TraceCheckUtils]: 13: Hoare triple {7451#(not (= (* (div (+ |ULTIMATE.start_main_~this_expect~0#1| 1) 2) 2) (+ |ULTIMATE.start_main_~this_expect~0#1| 1)))} assume 0 != main_#t~nondet14#1;havoc main_#t~nondet14#1; {7451#(not (= (* (div (+ |ULTIMATE.start_main_~this_expect~0#1| 1) 2) 2) (+ |ULTIMATE.start_main_~this_expect~0#1| 1)))} is VALID [2022-02-20 16:07:27,479 INFO L290 TraceCheckUtils]: 12: Hoare triple {7451#(not (= (* (div (+ |ULTIMATE.start_main_~this_expect~0#1| 1) 2) 2) (+ |ULTIMATE.start_main_~this_expect~0#1| 1)))} assume 1 == main_~q~0#1;assume -2147483648 <= main_#t~nondet14#1 && main_#t~nondet14#1 <= 2147483647; {7451#(not (= (* (div (+ |ULTIMATE.start_main_~this_expect~0#1| 1) 2) 2) (+ |ULTIMATE.start_main_~this_expect~0#1| 1)))} is VALID [2022-02-20 16:07:27,479 INFO L290 TraceCheckUtils]: 11: Hoare triple {7451#(not (= (* (div (+ |ULTIMATE.start_main_~this_expect~0#1| 1) 2) 2) (+ |ULTIMATE.start_main_~this_expect~0#1| 1)))} assume !(0 == main_~q~0#1); {7451#(not (= (* (div (+ |ULTIMATE.start_main_~this_expect~0#1| 1) 2) 2) (+ |ULTIMATE.start_main_~this_expect~0#1| 1)))} is VALID [2022-02-20 16:07:27,479 INFO L290 TraceCheckUtils]: 10: Hoare triple {7451#(not (= (* (div (+ |ULTIMATE.start_main_~this_expect~0#1| 1) 2) 2) (+ |ULTIMATE.start_main_~this_expect~0#1| 1)))} assume !(main_~this_expect~0#1 > 16); {7451#(not (= (* (div (+ |ULTIMATE.start_main_~this_expect~0#1| 1) 2) 2) (+ |ULTIMATE.start_main_~this_expect~0#1| 1)))} is VALID [2022-02-20 16:07:27,480 INFO L290 TraceCheckUtils]: 9: Hoare triple {7451#(not (= (* (div (+ |ULTIMATE.start_main_~this_expect~0#1| 1) 2) 2) (+ |ULTIMATE.start_main_~this_expect~0#1| 1)))} assume !false;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_~P1~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647;main_~P2~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647;main_~P3~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;assume -2147483648 <= main_#t~nondet7#1 && main_#t~nondet7#1 <= 2147483647;main_~P4~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;assume -2147483648 <= main_#t~nondet8#1 && main_#t~nondet8#1 <= 2147483647;main_~P5~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647;main_~P6~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1;assume -2147483648 <= main_#t~nondet10#1 && main_#t~nondet10#1 <= 2147483647;main_~P7~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;assume -2147483648 <= main_#t~nondet11#1 && main_#t~nondet11#1 <= 2147483647;main_~P8~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;assume -2147483648 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 2147483647;main_~P9~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; {7451#(not (= (* (div (+ |ULTIMATE.start_main_~this_expect~0#1| 1) 2) 2) (+ |ULTIMATE.start_main_~this_expect~0#1| 1)))} is VALID [2022-02-20 16:07:27,480 INFO L290 TraceCheckUtils]: 8: Hoare triple {7269#true} assume !false;main_~q~0#1 := 1;main_~this_expect~0#1 := 0;main_~this_buffer_empty~0#1 := 1; {7451#(not (= (* (div (+ |ULTIMATE.start_main_~this_expect~0#1| 1) 2) 2) (+ |ULTIMATE.start_main_~this_expect~0#1| 1)))} is VALID [2022-02-20 16:07:27,480 INFO L290 TraceCheckUtils]: 7: Hoare triple {7269#true} main_~method_id~0#1 := 1; {7269#true} is VALID [2022-02-20 16:07:27,483 INFO L290 TraceCheckUtils]: 6: Hoare triple {7269#true} assume 0 != main_#t~nondet13#1;havoc main_#t~nondet13#1; {7269#true} is VALID [2022-02-20 16:07:27,483 INFO L290 TraceCheckUtils]: 5: Hoare triple {7269#true} assume 0 == main_~q~0#1;assume -2147483648 <= main_#t~nondet13#1 && main_#t~nondet13#1 <= 2147483647; {7269#true} is VALID [2022-02-20 16:07:27,488 INFO L290 TraceCheckUtils]: 4: Hoare triple {7269#true} assume !(main_~this_expect~0#1 > 16); {7269#true} is VALID [2022-02-20 16:07:27,489 INFO L290 TraceCheckUtils]: 3: Hoare triple {7269#true} assume !false;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_~P1~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647;main_~P2~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647;main_~P3~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;assume -2147483648 <= main_#t~nondet7#1 && main_#t~nondet7#1 <= 2147483647;main_~P4~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;assume -2147483648 <= main_#t~nondet8#1 && main_#t~nondet8#1 <= 2147483647;main_~P5~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647;main_~P6~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1;assume -2147483648 <= main_#t~nondet10#1 && main_#t~nondet10#1 <= 2147483647;main_~P7~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;assume -2147483648 <= main_#t~nondet11#1 && main_#t~nondet11#1 <= 2147483647;main_~P8~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;assume -2147483648 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 2147483647;main_~P9~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; {7269#true} is VALID [2022-02-20 16:07:27,489 INFO L290 TraceCheckUtils]: 2: Hoare triple {7269#true} goto; {7269#true} is VALID [2022-02-20 16:07:27,490 INFO L290 TraceCheckUtils]: 1: Hoare triple {7269#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~nondet5#1, main_#t~nondet6#1, main_#t~nondet7#1, main_#t~nondet8#1, main_#t~nondet9#1, main_#t~nondet10#1, main_#t~nondet11#1, main_#t~nondet12#1, main_#t~nondet13#1, main_#t~nondet14#1, main_#t~nondet15#1, main_#t~nondet16#1, main_#t~nondet17#1, main_#t~nondet18#1, main_#t~nondet19#1, main_#t~nondet20#1, main_#t~nondet21#1, main_#t~nondet22#1, main_#t~nondet23#1, main_#t~nondet24#1, main_#t~nondet25#1, main_#t~nondet26#1, main_#t~nondet27#1, main_#t~nondet28#1, main_#t~nondet29#1, main_#t~nondet30#1, main_#t~nondet31#1, main_#t~nondet32#1, main_#t~nondet33#1, main_#t~nondet34#1, main_#t~nondet35#1, main_#t~nondet36#1, main_#t~nondet37#1, main_#t~nondet38#1, main_#t~nondet39#1, main_#t~nondet40#1, main_#t~nondet41#1, main_#t~nondet42#1, main_#t~nondet43#1, main_~P1~0#1, main_~P2~0#1, main_~P3~0#1, main_~P4~0#1, main_~P5~0#1, main_~P6~0#1, main_~P7~0#1, main_~P8~0#1, main_~P9~0#1, main_~q~0#1, main_~method_id~0#1, main_~this_expect~0#1, main_~this_buffer_empty~0#1;main_~q~0#1 := 0;havoc main_~method_id~0#1;main_~this_expect~0#1 := 0;main_~this_buffer_empty~0#1 := 0; {7269#true} is VALID [2022-02-20 16:07:27,492 INFO L290 TraceCheckUtils]: 0: Hoare triple {7269#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(16, 2);call #Ultimate.allocInit(12, 3);~m_Protocol~0 := 1;~m_msg_2~0 := 2;~m_recv_ack_2~0 := 3;~m_msg_1_1~0 := 4;~m_msg_1_2~0 := 5;~m_recv_ack_1_1~0 := 6;~m_recv_ack_1_2~0 := 7; {7269#true} is VALID [2022-02-20 16:07:27,492 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 9 proven. 8 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-02-20 16:07:27,493 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1146779205] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-20 16:07:27,493 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-20 16:07:27,493 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 9 [2022-02-20 16:07:27,493 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [842421973] [2022-02-20 16:07:27,493 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-20 16:07:27,493 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 6.444444444444445) internal successors, (58), 9 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 37 [2022-02-20 16:07:27,494 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 16:07:27,494 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 9 states, 9 states have (on average 6.444444444444445) internal successors, (58), 9 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:07:27,527 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 58 edges. 58 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 16:07:27,528 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-02-20 16:07:27,528 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 16:07:27,528 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-02-20 16:07:27,529 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2022-02-20 16:07:27,529 INFO L87 Difference]: Start difference. First operand 209 states and 328 transitions. Second operand has 9 states, 9 states have (on average 6.444444444444445) internal successors, (58), 9 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:07:29,333 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 16:07:29,334 INFO L93 Difference]: Finished difference Result 673 states and 1050 transitions. [2022-02-20 16:07:29,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-20 16:07:29,334 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 6.444444444444445) internal successors, (58), 9 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 37 [2022-02-20 16:07:29,334 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 16:07:29,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 9 states have (on average 6.444444444444445) internal successors, (58), 9 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:07:29,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 589 transitions. [2022-02-20 16:07:29,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 9 states have (on average 6.444444444444445) internal successors, (58), 9 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:07:29,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 589 transitions. [2022-02-20 16:07:29,340 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 12 states and 589 transitions. [2022-02-20 16:07:29,734 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 589 edges. 589 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 16:07:29,741 INFO L225 Difference]: With dead ends: 673 [2022-02-20 16:07:29,741 INFO L226 Difference]: Without dead ends: 438 [2022-02-20 16:07:29,742 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 69 SyntacticMatches, 2 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2022-02-20 16:07:29,742 INFO L933 BasicCegarLoop]: 228 mSDtfsCounter, 375 mSDsluCounter, 985 mSDsCounter, 0 mSdLazyCounter, 434 mSolverCounterSat, 120 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 375 SdHoareTripleChecker+Valid, 1213 SdHoareTripleChecker+Invalid, 554 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 120 IncrementalHoareTripleChecker+Valid, 434 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-02-20 16:07:29,742 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [375 Valid, 1213 Invalid, 554 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [120 Valid, 434 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-02-20 16:07:29,743 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 438 states. [2022-02-20 16:07:29,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 438 to 400. [2022-02-20 16:07:29,776 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 16:07:29,777 INFO L82 GeneralOperation]: Start isEquivalent. First operand 438 states. Second operand has 400 states, 399 states have (on average 1.5488721804511278) internal successors, (618), 399 states have internal predecessors, (618), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:07:29,777 INFO L74 IsIncluded]: Start isIncluded. First operand 438 states. Second operand has 400 states, 399 states have (on average 1.5488721804511278) internal successors, (618), 399 states have internal predecessors, (618), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:07:29,777 INFO L87 Difference]: Start difference. First operand 438 states. Second operand has 400 states, 399 states have (on average 1.5488721804511278) internal successors, (618), 399 states have internal predecessors, (618), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:07:29,785 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 16:07:29,785 INFO L93 Difference]: Finished difference Result 438 states and 651 transitions. [2022-02-20 16:07:29,785 INFO L276 IsEmpty]: Start isEmpty. Operand 438 states and 651 transitions. [2022-02-20 16:07:29,785 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 16:07:29,785 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 16:07:29,786 INFO L74 IsIncluded]: Start isIncluded. First operand has 400 states, 399 states have (on average 1.5488721804511278) internal successors, (618), 399 states have internal predecessors, (618), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 438 states. [2022-02-20 16:07:29,786 INFO L87 Difference]: Start difference. First operand has 400 states, 399 states have (on average 1.5488721804511278) internal successors, (618), 399 states have internal predecessors, (618), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 438 states. [2022-02-20 16:07:29,793 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 16:07:29,794 INFO L93 Difference]: Finished difference Result 438 states and 651 transitions. [2022-02-20 16:07:29,794 INFO L276 IsEmpty]: Start isEmpty. Operand 438 states and 651 transitions. [2022-02-20 16:07:29,794 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 16:07:29,794 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 16:07:29,794 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 16:07:29,794 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 16:07:29,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 400 states, 399 states have (on average 1.5488721804511278) internal successors, (618), 399 states have internal predecessors, (618), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:07:29,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 400 states to 400 states and 618 transitions. [2022-02-20 16:07:29,801 INFO L78 Accepts]: Start accepts. Automaton has 400 states and 618 transitions. Word has length 37 [2022-02-20 16:07:29,801 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 16:07:29,801 INFO L470 AbstractCegarLoop]: Abstraction has 400 states and 618 transitions. [2022-02-20 16:07:29,802 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 6.444444444444445) internal successors, (58), 9 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:07:29,802 INFO L276 IsEmpty]: Start isEmpty. Operand 400 states and 618 transitions. [2022-02-20 16:07:29,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-02-20 16:07:29,802 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 16:07:29,802 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 16:07:29,818 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-02-20 16:07:30,018 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 16:07:30,018 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-20 16:07:30,018 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 16:07:30,018 INFO L85 PathProgramCache]: Analyzing trace with hash 1033847947, now seen corresponding path program 1 times [2022-02-20 16:07:30,019 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 16:07:30,019 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1708830166] [2022-02-20 16:07:30,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 16:07:30,019 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 16:07:30,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 16:07:30,113 INFO L290 TraceCheckUtils]: 0: Hoare triple {9538#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(16, 2);call #Ultimate.allocInit(12, 3);~m_Protocol~0 := 1;~m_msg_2~0 := 2;~m_recv_ack_2~0 := 3;~m_msg_1_1~0 := 4;~m_msg_1_2~0 := 5;~m_recv_ack_1_1~0 := 6;~m_recv_ack_1_2~0 := 7; {9538#true} is VALID [2022-02-20 16:07:30,113 INFO L290 TraceCheckUtils]: 1: Hoare triple {9538#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~nondet5#1, main_#t~nondet6#1, main_#t~nondet7#1, main_#t~nondet8#1, main_#t~nondet9#1, main_#t~nondet10#1, main_#t~nondet11#1, main_#t~nondet12#1, main_#t~nondet13#1, main_#t~nondet14#1, main_#t~nondet15#1, main_#t~nondet16#1, main_#t~nondet17#1, main_#t~nondet18#1, main_#t~nondet19#1, main_#t~nondet20#1, main_#t~nondet21#1, main_#t~nondet22#1, main_#t~nondet23#1, main_#t~nondet24#1, main_#t~nondet25#1, main_#t~nondet26#1, main_#t~nondet27#1, main_#t~nondet28#1, main_#t~nondet29#1, main_#t~nondet30#1, main_#t~nondet31#1, main_#t~nondet32#1, main_#t~nondet33#1, main_#t~nondet34#1, main_#t~nondet35#1, main_#t~nondet36#1, main_#t~nondet37#1, main_#t~nondet38#1, main_#t~nondet39#1, main_#t~nondet40#1, main_#t~nondet41#1, main_#t~nondet42#1, main_#t~nondet43#1, main_~P1~0#1, main_~P2~0#1, main_~P3~0#1, main_~P4~0#1, main_~P5~0#1, main_~P6~0#1, main_~P7~0#1, main_~P8~0#1, main_~P9~0#1, main_~q~0#1, main_~method_id~0#1, main_~this_expect~0#1, main_~this_buffer_empty~0#1;main_~q~0#1 := 0;havoc main_~method_id~0#1;main_~this_expect~0#1 := 0;main_~this_buffer_empty~0#1 := 0; {9538#true} is VALID [2022-02-20 16:07:30,113 INFO L290 TraceCheckUtils]: 2: Hoare triple {9538#true} goto; {9538#true} is VALID [2022-02-20 16:07:30,114 INFO L290 TraceCheckUtils]: 3: Hoare triple {9538#true} assume !false;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_~P1~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647;main_~P2~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647;main_~P3~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;assume -2147483648 <= main_#t~nondet7#1 && main_#t~nondet7#1 <= 2147483647;main_~P4~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;assume -2147483648 <= main_#t~nondet8#1 && main_#t~nondet8#1 <= 2147483647;main_~P5~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647;main_~P6~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1;assume -2147483648 <= main_#t~nondet10#1 && main_#t~nondet10#1 <= 2147483647;main_~P7~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;assume -2147483648 <= main_#t~nondet11#1 && main_#t~nondet11#1 <= 2147483647;main_~P8~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;assume -2147483648 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 2147483647;main_~P9~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; {9538#true} is VALID [2022-02-20 16:07:30,114 INFO L290 TraceCheckUtils]: 4: Hoare triple {9538#true} assume !(main_~this_expect~0#1 > 16); {9538#true} is VALID [2022-02-20 16:07:30,114 INFO L290 TraceCheckUtils]: 5: Hoare triple {9538#true} assume 0 == main_~q~0#1;assume -2147483648 <= main_#t~nondet13#1 && main_#t~nondet13#1 <= 2147483647; {9538#true} is VALID [2022-02-20 16:07:30,114 INFO L290 TraceCheckUtils]: 6: Hoare triple {9538#true} assume 0 != main_#t~nondet13#1;havoc main_#t~nondet13#1; {9538#true} is VALID [2022-02-20 16:07:30,115 INFO L290 TraceCheckUtils]: 7: Hoare triple {9538#true} main_~method_id~0#1 := 1; {9538#true} is VALID [2022-02-20 16:07:30,116 INFO L290 TraceCheckUtils]: 8: Hoare triple {9538#true} assume !false;main_~q~0#1 := 1;main_~this_expect~0#1 := 0;main_~this_buffer_empty~0#1 := 1; {9540#(= (+ (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 0)} is VALID [2022-02-20 16:07:30,116 INFO L290 TraceCheckUtils]: 9: Hoare triple {9540#(= (+ (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 0)} assume !false;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_~P1~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647;main_~P2~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647;main_~P3~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;assume -2147483648 <= main_#t~nondet7#1 && main_#t~nondet7#1 <= 2147483647;main_~P4~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;assume -2147483648 <= main_#t~nondet8#1 && main_#t~nondet8#1 <= 2147483647;main_~P5~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647;main_~P6~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1;assume -2147483648 <= main_#t~nondet10#1 && main_#t~nondet10#1 <= 2147483647;main_~P7~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;assume -2147483648 <= main_#t~nondet11#1 && main_#t~nondet11#1 <= 2147483647;main_~P8~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;assume -2147483648 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 2147483647;main_~P9~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; {9540#(= (+ (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 0)} is VALID [2022-02-20 16:07:30,116 INFO L290 TraceCheckUtils]: 10: Hoare triple {9540#(= (+ (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 0)} assume !(main_~this_expect~0#1 > 16); {9540#(= (+ (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 0)} is VALID [2022-02-20 16:07:30,117 INFO L290 TraceCheckUtils]: 11: Hoare triple {9540#(= (+ (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 0)} assume !(0 == main_~q~0#1); {9540#(= (+ (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 0)} is VALID [2022-02-20 16:07:30,117 INFO L290 TraceCheckUtils]: 12: Hoare triple {9540#(= (+ (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 0)} assume 1 == main_~q~0#1;assume -2147483648 <= main_#t~nondet14#1 && main_#t~nondet14#1 <= 2147483647; {9540#(= (+ (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 0)} is VALID [2022-02-20 16:07:30,117 INFO L290 TraceCheckUtils]: 13: Hoare triple {9540#(= (+ (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 0)} assume 0 != main_#t~nondet14#1;havoc main_#t~nondet14#1; {9540#(= (+ (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 0)} is VALID [2022-02-20 16:07:30,117 INFO L290 TraceCheckUtils]: 14: Hoare triple {9540#(= (+ (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 0)} assume !(0 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2));main_~method_id~0#1 := 2; {9540#(= (+ (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 0)} is VALID [2022-02-20 16:07:30,118 INFO L290 TraceCheckUtils]: 15: Hoare triple {9540#(= (+ (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 0)} assume !((((if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2) != (if main_~this_expect~0#1 < 0 && 0 != main_~this_expect~0#1 % 2 then main_~this_expect~0#1 % 2 - 2 else main_~this_expect~0#1 % 2) && 1 == main_~this_buffer_empty~0#1) && !(0 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2))) || (1 != main_~this_buffer_empty~0#1 && !(0 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2))));main_~q~0#1 := 3;main_~this_expect~0#1 := 1 + main_~this_expect~0#1;main_~this_buffer_empty~0#1 := 1 - main_~this_buffer_empty~0#1; {9541#(and (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (<= 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|))} is VALID [2022-02-20 16:07:30,119 INFO L290 TraceCheckUtils]: 16: Hoare triple {9541#(and (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (<= 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|))} assume !false;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_~P1~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647;main_~P2~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647;main_~P3~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;assume -2147483648 <= main_#t~nondet7#1 && main_#t~nondet7#1 <= 2147483647;main_~P4~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;assume -2147483648 <= main_#t~nondet8#1 && main_#t~nondet8#1 <= 2147483647;main_~P5~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647;main_~P6~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1;assume -2147483648 <= main_#t~nondet10#1 && main_#t~nondet10#1 <= 2147483647;main_~P7~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;assume -2147483648 <= main_#t~nondet11#1 && main_#t~nondet11#1 <= 2147483647;main_~P8~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;assume -2147483648 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 2147483647;main_~P9~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; {9541#(and (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (<= 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|))} is VALID [2022-02-20 16:07:30,119 INFO L290 TraceCheckUtils]: 17: Hoare triple {9541#(and (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (<= 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|))} assume !(main_~this_expect~0#1 > 16); {9541#(and (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (<= 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|))} is VALID [2022-02-20 16:07:30,119 INFO L290 TraceCheckUtils]: 18: Hoare triple {9541#(and (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (<= 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|))} assume !(0 == main_~q~0#1); {9541#(and (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (<= 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|))} is VALID [2022-02-20 16:07:30,120 INFO L290 TraceCheckUtils]: 19: Hoare triple {9541#(and (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (<= 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|))} assume !(1 == main_~q~0#1); {9541#(and (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (<= 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|))} is VALID [2022-02-20 16:07:30,120 INFO L290 TraceCheckUtils]: 20: Hoare triple {9541#(and (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (<= 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|))} assume !(2 == main_~q~0#1); {9541#(and (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (<= 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|))} is VALID [2022-02-20 16:07:30,120 INFO L290 TraceCheckUtils]: 21: Hoare triple {9541#(and (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (<= 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|))} assume 3 == main_~q~0#1;assume -2147483648 <= main_#t~nondet26#1 && main_#t~nondet26#1 <= 2147483647; {9541#(and (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (<= 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|))} is VALID [2022-02-20 16:07:30,121 INFO L290 TraceCheckUtils]: 22: Hoare triple {9541#(and (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (<= 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|))} assume !(0 != main_#t~nondet26#1);havoc main_#t~nondet26#1;assume -2147483648 <= main_#t~nondet27#1 && main_#t~nondet27#1 <= 2147483647; {9541#(and (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (<= 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|))} is VALID [2022-02-20 16:07:30,121 INFO L290 TraceCheckUtils]: 23: Hoare triple {9541#(and (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (<= 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|))} assume 0 != main_#t~nondet27#1;havoc main_#t~nondet27#1; {9541#(and (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (<= 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|))} is VALID [2022-02-20 16:07:30,122 INFO L290 TraceCheckUtils]: 24: Hoare triple {9541#(and (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (<= 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|))} assume !(0 != main_~P1~0#1);main_~method_id~0#1 := 3; {9541#(and (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (<= 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|))} is VALID [2022-02-20 16:07:30,122 INFO L290 TraceCheckUtils]: 25: Hoare triple {9541#(and (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (<= 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|))} assume !((1 == main_~this_buffer_empty~0#1 && !(0 != main_~P3~0#1)) || ((main_~P3~0#1 != (if main_~this_expect~0#1 - 1 < 0 && 0 != (main_~this_expect~0#1 - 1) % 2 then (main_~this_expect~0#1 - 1) % 2 - 2 else (main_~this_expect~0#1 - 1) % 2) && 1 != main_~this_buffer_empty~0#1) && !(0 != main_~P3~0#1)));main_~q~0#1 := 4;main_~this_expect~0#1 := main_~this_expect~0#1;main_~this_buffer_empty~0#1 := 1 - main_~this_buffer_empty~0#1; {9540#(= (+ (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 0)} is VALID [2022-02-20 16:07:30,122 INFO L290 TraceCheckUtils]: 26: Hoare triple {9540#(= (+ (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 0)} assume !false;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_~P1~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647;main_~P2~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647;main_~P3~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;assume -2147483648 <= main_#t~nondet7#1 && main_#t~nondet7#1 <= 2147483647;main_~P4~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;assume -2147483648 <= main_#t~nondet8#1 && main_#t~nondet8#1 <= 2147483647;main_~P5~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647;main_~P6~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1;assume -2147483648 <= main_#t~nondet10#1 && main_#t~nondet10#1 <= 2147483647;main_~P7~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;assume -2147483648 <= main_#t~nondet11#1 && main_#t~nondet11#1 <= 2147483647;main_~P8~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;assume -2147483648 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 2147483647;main_~P9~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; {9540#(= (+ (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 0)} is VALID [2022-02-20 16:07:30,123 INFO L290 TraceCheckUtils]: 27: Hoare triple {9540#(= (+ (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 0)} assume !(main_~this_expect~0#1 > 16); {9540#(= (+ (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 0)} is VALID [2022-02-20 16:07:30,123 INFO L290 TraceCheckUtils]: 28: Hoare triple {9540#(= (+ (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 0)} assume !(0 == main_~q~0#1); {9540#(= (+ (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 0)} is VALID [2022-02-20 16:07:30,123 INFO L290 TraceCheckUtils]: 29: Hoare triple {9540#(= (+ (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 0)} assume !(1 == main_~q~0#1); {9540#(= (+ (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 0)} is VALID [2022-02-20 16:07:30,124 INFO L290 TraceCheckUtils]: 30: Hoare triple {9540#(= (+ (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 0)} assume !(2 == main_~q~0#1); {9540#(= (+ (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 0)} is VALID [2022-02-20 16:07:30,124 INFO L290 TraceCheckUtils]: 31: Hoare triple {9540#(= (+ (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 0)} assume !(3 == main_~q~0#1); {9540#(= (+ (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 0)} is VALID [2022-02-20 16:07:30,124 INFO L290 TraceCheckUtils]: 32: Hoare triple {9540#(= (+ (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 0)} assume 4 == main_~q~0#1;assume -2147483648 <= main_#t~nondet32#1 && main_#t~nondet32#1 <= 2147483647; {9540#(= (+ (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 0)} is VALID [2022-02-20 16:07:30,124 INFO L290 TraceCheckUtils]: 33: Hoare triple {9540#(= (+ (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 0)} assume !(0 != main_#t~nondet32#1);havoc main_#t~nondet32#1;assume -2147483648 <= main_#t~nondet33#1 && main_#t~nondet33#1 <= 2147483647; {9540#(= (+ (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 0)} is VALID [2022-02-20 16:07:30,125 INFO L290 TraceCheckUtils]: 34: Hoare triple {9540#(= (+ (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 0)} assume 0 != main_#t~nondet33#1;havoc main_#t~nondet33#1; {9540#(= (+ (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 0)} is VALID [2022-02-20 16:07:30,125 INFO L290 TraceCheckUtils]: 35: Hoare triple {9540#(= (+ (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 0)} assume !(0 != main_~P1~0#1);main_~method_id~0#1 := 3; {9540#(= (+ (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 0)} is VALID [2022-02-20 16:07:30,125 INFO L290 TraceCheckUtils]: 36: Hoare triple {9540#(= (+ (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 0)} assume (main_~P3~0#1 == (if main_~this_expect~0#1 - 1 < 0 && 0 != (main_~this_expect~0#1 - 1) % 2 then (main_~this_expect~0#1 - 1) % 2 - 2 else (main_~this_expect~0#1 - 1) % 2) && 1 != main_~this_buffer_empty~0#1) && !(0 != main_~P3~0#1); {9539#false} is VALID [2022-02-20 16:07:30,126 INFO L290 TraceCheckUtils]: 37: Hoare triple {9539#false} assume !false; {9539#false} is VALID [2022-02-20 16:07:30,126 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 9 proven. 10 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-02-20 16:07:30,126 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 16:07:30,126 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1708830166] [2022-02-20 16:07:30,126 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1708830166] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-20 16:07:30,126 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [956905768] [2022-02-20 16:07:30,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 16:07:30,127 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 16:07:30,127 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 16:07:30,133 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-20 16:07:30,134 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-02-20 16:07:30,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 16:07:30,218 INFO L263 TraceCheckSpWp]: Trace formula consists of 272 conjuncts, 7 conjunts are in the unsatisfiable core [2022-02-20 16:07:30,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 16:07:30,231 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-20 16:07:30,347 INFO L290 TraceCheckUtils]: 0: Hoare triple {9538#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(16, 2);call #Ultimate.allocInit(12, 3);~m_Protocol~0 := 1;~m_msg_2~0 := 2;~m_recv_ack_2~0 := 3;~m_msg_1_1~0 := 4;~m_msg_1_2~0 := 5;~m_recv_ack_1_1~0 := 6;~m_recv_ack_1_2~0 := 7; {9538#true} is VALID [2022-02-20 16:07:30,347 INFO L290 TraceCheckUtils]: 1: Hoare triple {9538#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~nondet5#1, main_#t~nondet6#1, main_#t~nondet7#1, main_#t~nondet8#1, main_#t~nondet9#1, main_#t~nondet10#1, main_#t~nondet11#1, main_#t~nondet12#1, main_#t~nondet13#1, main_#t~nondet14#1, main_#t~nondet15#1, main_#t~nondet16#1, main_#t~nondet17#1, main_#t~nondet18#1, main_#t~nondet19#1, main_#t~nondet20#1, main_#t~nondet21#1, main_#t~nondet22#1, main_#t~nondet23#1, main_#t~nondet24#1, main_#t~nondet25#1, main_#t~nondet26#1, main_#t~nondet27#1, main_#t~nondet28#1, main_#t~nondet29#1, main_#t~nondet30#1, main_#t~nondet31#1, main_#t~nondet32#1, main_#t~nondet33#1, main_#t~nondet34#1, main_#t~nondet35#1, main_#t~nondet36#1, main_#t~nondet37#1, main_#t~nondet38#1, main_#t~nondet39#1, main_#t~nondet40#1, main_#t~nondet41#1, main_#t~nondet42#1, main_#t~nondet43#1, main_~P1~0#1, main_~P2~0#1, main_~P3~0#1, main_~P4~0#1, main_~P5~0#1, main_~P6~0#1, main_~P7~0#1, main_~P8~0#1, main_~P9~0#1, main_~q~0#1, main_~method_id~0#1, main_~this_expect~0#1, main_~this_buffer_empty~0#1;main_~q~0#1 := 0;havoc main_~method_id~0#1;main_~this_expect~0#1 := 0;main_~this_buffer_empty~0#1 := 0; {9538#true} is VALID [2022-02-20 16:07:30,348 INFO L290 TraceCheckUtils]: 2: Hoare triple {9538#true} goto; {9538#true} is VALID [2022-02-20 16:07:30,348 INFO L290 TraceCheckUtils]: 3: Hoare triple {9538#true} assume !false;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_~P1~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647;main_~P2~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647;main_~P3~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;assume -2147483648 <= main_#t~nondet7#1 && main_#t~nondet7#1 <= 2147483647;main_~P4~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;assume -2147483648 <= main_#t~nondet8#1 && main_#t~nondet8#1 <= 2147483647;main_~P5~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647;main_~P6~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1;assume -2147483648 <= main_#t~nondet10#1 && main_#t~nondet10#1 <= 2147483647;main_~P7~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;assume -2147483648 <= main_#t~nondet11#1 && main_#t~nondet11#1 <= 2147483647;main_~P8~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;assume -2147483648 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 2147483647;main_~P9~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; {9538#true} is VALID [2022-02-20 16:07:30,348 INFO L290 TraceCheckUtils]: 4: Hoare triple {9538#true} assume !(main_~this_expect~0#1 > 16); {9538#true} is VALID [2022-02-20 16:07:30,348 INFO L290 TraceCheckUtils]: 5: Hoare triple {9538#true} assume 0 == main_~q~0#1;assume -2147483648 <= main_#t~nondet13#1 && main_#t~nondet13#1 <= 2147483647; {9538#true} is VALID [2022-02-20 16:07:30,348 INFO L290 TraceCheckUtils]: 6: Hoare triple {9538#true} assume 0 != main_#t~nondet13#1;havoc main_#t~nondet13#1; {9538#true} is VALID [2022-02-20 16:07:30,349 INFO L290 TraceCheckUtils]: 7: Hoare triple {9538#true} main_~method_id~0#1 := 1; {9538#true} is VALID [2022-02-20 16:07:30,349 INFO L290 TraceCheckUtils]: 8: Hoare triple {9538#true} assume !false;main_~q~0#1 := 1;main_~this_expect~0#1 := 0;main_~this_buffer_empty~0#1 := 1; {9540#(= (+ (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 0)} is VALID [2022-02-20 16:07:30,350 INFO L290 TraceCheckUtils]: 9: Hoare triple {9540#(= (+ (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 0)} assume !false;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_~P1~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647;main_~P2~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647;main_~P3~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;assume -2147483648 <= main_#t~nondet7#1 && main_#t~nondet7#1 <= 2147483647;main_~P4~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;assume -2147483648 <= main_#t~nondet8#1 && main_#t~nondet8#1 <= 2147483647;main_~P5~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647;main_~P6~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1;assume -2147483648 <= main_#t~nondet10#1 && main_#t~nondet10#1 <= 2147483647;main_~P7~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;assume -2147483648 <= main_#t~nondet11#1 && main_#t~nondet11#1 <= 2147483647;main_~P8~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;assume -2147483648 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 2147483647;main_~P9~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; {9540#(= (+ (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 0)} is VALID [2022-02-20 16:07:30,350 INFO L290 TraceCheckUtils]: 10: Hoare triple {9540#(= (+ (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 0)} assume !(main_~this_expect~0#1 > 16); {9540#(= (+ (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 0)} is VALID [2022-02-20 16:07:30,350 INFO L290 TraceCheckUtils]: 11: Hoare triple {9540#(= (+ (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 0)} assume !(0 == main_~q~0#1); {9540#(= (+ (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 0)} is VALID [2022-02-20 16:07:30,350 INFO L290 TraceCheckUtils]: 12: Hoare triple {9540#(= (+ (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 0)} assume 1 == main_~q~0#1;assume -2147483648 <= main_#t~nondet14#1 && main_#t~nondet14#1 <= 2147483647; {9540#(= (+ (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 0)} is VALID [2022-02-20 16:07:30,351 INFO L290 TraceCheckUtils]: 13: Hoare triple {9540#(= (+ (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 0)} assume 0 != main_#t~nondet14#1;havoc main_#t~nondet14#1; {9540#(= (+ (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 0)} is VALID [2022-02-20 16:07:30,351 INFO L290 TraceCheckUtils]: 14: Hoare triple {9540#(= (+ (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 0)} assume !(0 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2));main_~method_id~0#1 := 2; {9540#(= (+ (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 0)} is VALID [2022-02-20 16:07:30,351 INFO L290 TraceCheckUtils]: 15: Hoare triple {9540#(= (+ (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 0)} assume !((((if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2) != (if main_~this_expect~0#1 < 0 && 0 != main_~this_expect~0#1 % 2 then main_~this_expect~0#1 % 2 - 2 else main_~this_expect~0#1 % 2) && 1 == main_~this_buffer_empty~0#1) && !(0 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2))) || (1 != main_~this_buffer_empty~0#1 && !(0 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2))));main_~q~0#1 := 3;main_~this_expect~0#1 := 1 + main_~this_expect~0#1;main_~this_buffer_empty~0#1 := 1 - main_~this_buffer_empty~0#1; {9541#(and (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (<= 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|))} is VALID [2022-02-20 16:07:30,352 INFO L290 TraceCheckUtils]: 16: Hoare triple {9541#(and (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (<= 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|))} assume !false;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_~P1~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647;main_~P2~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647;main_~P3~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;assume -2147483648 <= main_#t~nondet7#1 && main_#t~nondet7#1 <= 2147483647;main_~P4~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;assume -2147483648 <= main_#t~nondet8#1 && main_#t~nondet8#1 <= 2147483647;main_~P5~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647;main_~P6~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1;assume -2147483648 <= main_#t~nondet10#1 && main_#t~nondet10#1 <= 2147483647;main_~P7~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;assume -2147483648 <= main_#t~nondet11#1 && main_#t~nondet11#1 <= 2147483647;main_~P8~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;assume -2147483648 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 2147483647;main_~P9~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; {9541#(and (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (<= 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|))} is VALID [2022-02-20 16:07:30,352 INFO L290 TraceCheckUtils]: 17: Hoare triple {9541#(and (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (<= 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|))} assume !(main_~this_expect~0#1 > 16); {9541#(and (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (<= 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|))} is VALID [2022-02-20 16:07:30,353 INFO L290 TraceCheckUtils]: 18: Hoare triple {9541#(and (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (<= 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|))} assume !(0 == main_~q~0#1); {9541#(and (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (<= 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|))} is VALID [2022-02-20 16:07:30,353 INFO L290 TraceCheckUtils]: 19: Hoare triple {9541#(and (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (<= 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|))} assume !(1 == main_~q~0#1); {9541#(and (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (<= 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|))} is VALID [2022-02-20 16:07:30,353 INFO L290 TraceCheckUtils]: 20: Hoare triple {9541#(and (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (<= 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|))} assume !(2 == main_~q~0#1); {9541#(and (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (<= 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|))} is VALID [2022-02-20 16:07:30,354 INFO L290 TraceCheckUtils]: 21: Hoare triple {9541#(and (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (<= 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|))} assume 3 == main_~q~0#1;assume -2147483648 <= main_#t~nondet26#1 && main_#t~nondet26#1 <= 2147483647; {9541#(and (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (<= 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|))} is VALID [2022-02-20 16:07:30,354 INFO L290 TraceCheckUtils]: 22: Hoare triple {9541#(and (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (<= 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|))} assume !(0 != main_#t~nondet26#1);havoc main_#t~nondet26#1;assume -2147483648 <= main_#t~nondet27#1 && main_#t~nondet27#1 <= 2147483647; {9541#(and (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (<= 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|))} is VALID [2022-02-20 16:07:30,354 INFO L290 TraceCheckUtils]: 23: Hoare triple {9541#(and (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (<= 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|))} assume 0 != main_#t~nondet27#1;havoc main_#t~nondet27#1; {9541#(and (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (<= 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|))} is VALID [2022-02-20 16:07:30,355 INFO L290 TraceCheckUtils]: 24: Hoare triple {9541#(and (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (<= 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|))} assume !(0 != main_~P1~0#1);main_~method_id~0#1 := 3; {9541#(and (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (<= 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|))} is VALID [2022-02-20 16:07:30,355 INFO L290 TraceCheckUtils]: 25: Hoare triple {9541#(and (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (<= 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|))} assume !((1 == main_~this_buffer_empty~0#1 && !(0 != main_~P3~0#1)) || ((main_~P3~0#1 != (if main_~this_expect~0#1 - 1 < 0 && 0 != (main_~this_expect~0#1 - 1) % 2 then (main_~this_expect~0#1 - 1) % 2 - 2 else (main_~this_expect~0#1 - 1) % 2) && 1 != main_~this_buffer_empty~0#1) && !(0 != main_~P3~0#1)));main_~q~0#1 := 4;main_~this_expect~0#1 := main_~this_expect~0#1;main_~this_buffer_empty~0#1 := 1 - main_~this_buffer_empty~0#1; {9540#(= (+ (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 0)} is VALID [2022-02-20 16:07:30,356 INFO L290 TraceCheckUtils]: 26: Hoare triple {9540#(= (+ (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 0)} assume !false;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_~P1~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647;main_~P2~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647;main_~P3~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;assume -2147483648 <= main_#t~nondet7#1 && main_#t~nondet7#1 <= 2147483647;main_~P4~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;assume -2147483648 <= main_#t~nondet8#1 && main_#t~nondet8#1 <= 2147483647;main_~P5~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647;main_~P6~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1;assume -2147483648 <= main_#t~nondet10#1 && main_#t~nondet10#1 <= 2147483647;main_~P7~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;assume -2147483648 <= main_#t~nondet11#1 && main_#t~nondet11#1 <= 2147483647;main_~P8~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;assume -2147483648 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 2147483647;main_~P9~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; {9540#(= (+ (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 0)} is VALID [2022-02-20 16:07:30,356 INFO L290 TraceCheckUtils]: 27: Hoare triple {9540#(= (+ (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 0)} assume !(main_~this_expect~0#1 > 16); {9540#(= (+ (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 0)} is VALID [2022-02-20 16:07:30,356 INFO L290 TraceCheckUtils]: 28: Hoare triple {9540#(= (+ (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 0)} assume !(0 == main_~q~0#1); {9540#(= (+ (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 0)} is VALID [2022-02-20 16:07:30,356 INFO L290 TraceCheckUtils]: 29: Hoare triple {9540#(= (+ (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 0)} assume !(1 == main_~q~0#1); {9540#(= (+ (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 0)} is VALID [2022-02-20 16:07:30,357 INFO L290 TraceCheckUtils]: 30: Hoare triple {9540#(= (+ (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 0)} assume !(2 == main_~q~0#1); {9540#(= (+ (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 0)} is VALID [2022-02-20 16:07:30,357 INFO L290 TraceCheckUtils]: 31: Hoare triple {9540#(= (+ (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 0)} assume !(3 == main_~q~0#1); {9540#(= (+ (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 0)} is VALID [2022-02-20 16:07:30,357 INFO L290 TraceCheckUtils]: 32: Hoare triple {9540#(= (+ (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 0)} assume 4 == main_~q~0#1;assume -2147483648 <= main_#t~nondet32#1 && main_#t~nondet32#1 <= 2147483647; {9540#(= (+ (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 0)} is VALID [2022-02-20 16:07:30,357 INFO L290 TraceCheckUtils]: 33: Hoare triple {9540#(= (+ (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 0)} assume !(0 != main_#t~nondet32#1);havoc main_#t~nondet32#1;assume -2147483648 <= main_#t~nondet33#1 && main_#t~nondet33#1 <= 2147483647; {9540#(= (+ (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 0)} is VALID [2022-02-20 16:07:30,358 INFO L290 TraceCheckUtils]: 34: Hoare triple {9540#(= (+ (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 0)} assume 0 != main_#t~nondet33#1;havoc main_#t~nondet33#1; {9540#(= (+ (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 0)} is VALID [2022-02-20 16:07:30,358 INFO L290 TraceCheckUtils]: 35: Hoare triple {9540#(= (+ (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 0)} assume !(0 != main_~P1~0#1);main_~method_id~0#1 := 3; {9540#(= (+ (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 0)} is VALID [2022-02-20 16:07:30,358 INFO L290 TraceCheckUtils]: 36: Hoare triple {9540#(= (+ (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 0)} assume (main_~P3~0#1 == (if main_~this_expect~0#1 - 1 < 0 && 0 != (main_~this_expect~0#1 - 1) % 2 then (main_~this_expect~0#1 - 1) % 2 - 2 else (main_~this_expect~0#1 - 1) % 2) && 1 != main_~this_buffer_empty~0#1) && !(0 != main_~P3~0#1); {9539#false} is VALID [2022-02-20 16:07:30,358 INFO L290 TraceCheckUtils]: 37: Hoare triple {9539#false} assume !false; {9539#false} is VALID [2022-02-20 16:07:30,359 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 9 proven. 10 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-02-20 16:07:30,359 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-20 16:07:30,471 INFO L290 TraceCheckUtils]: 37: Hoare triple {9539#false} assume !false; {9539#false} is VALID [2022-02-20 16:07:30,471 INFO L290 TraceCheckUtils]: 36: Hoare triple {9540#(= (+ (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 0)} assume (main_~P3~0#1 == (if main_~this_expect~0#1 - 1 < 0 && 0 != (main_~this_expect~0#1 - 1) % 2 then (main_~this_expect~0#1 - 1) % 2 - 2 else (main_~this_expect~0#1 - 1) % 2) && 1 != main_~this_buffer_empty~0#1) && !(0 != main_~P3~0#1); {9539#false} is VALID [2022-02-20 16:07:30,471 INFO L290 TraceCheckUtils]: 35: Hoare triple {9540#(= (+ (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 0)} assume !(0 != main_~P1~0#1);main_~method_id~0#1 := 3; {9540#(= (+ (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 0)} is VALID [2022-02-20 16:07:30,472 INFO L290 TraceCheckUtils]: 34: Hoare triple {9540#(= (+ (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 0)} assume 0 != main_#t~nondet33#1;havoc main_#t~nondet33#1; {9540#(= (+ (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 0)} is VALID [2022-02-20 16:07:30,472 INFO L290 TraceCheckUtils]: 33: Hoare triple {9540#(= (+ (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 0)} assume !(0 != main_#t~nondet32#1);havoc main_#t~nondet32#1;assume -2147483648 <= main_#t~nondet33#1 && main_#t~nondet33#1 <= 2147483647; {9540#(= (+ (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 0)} is VALID [2022-02-20 16:07:30,472 INFO L290 TraceCheckUtils]: 32: Hoare triple {9540#(= (+ (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 0)} assume 4 == main_~q~0#1;assume -2147483648 <= main_#t~nondet32#1 && main_#t~nondet32#1 <= 2147483647; {9540#(= (+ (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 0)} is VALID [2022-02-20 16:07:30,472 INFO L290 TraceCheckUtils]: 31: Hoare triple {9540#(= (+ (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 0)} assume !(3 == main_~q~0#1); {9540#(= (+ (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 0)} is VALID [2022-02-20 16:07:30,473 INFO L290 TraceCheckUtils]: 30: Hoare triple {9540#(= (+ (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 0)} assume !(2 == main_~q~0#1); {9540#(= (+ (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 0)} is VALID [2022-02-20 16:07:30,473 INFO L290 TraceCheckUtils]: 29: Hoare triple {9540#(= (+ (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 0)} assume !(1 == main_~q~0#1); {9540#(= (+ (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 0)} is VALID [2022-02-20 16:07:30,473 INFO L290 TraceCheckUtils]: 28: Hoare triple {9540#(= (+ (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 0)} assume !(0 == main_~q~0#1); {9540#(= (+ (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 0)} is VALID [2022-02-20 16:07:30,473 INFO L290 TraceCheckUtils]: 27: Hoare triple {9540#(= (+ (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 0)} assume !(main_~this_expect~0#1 > 16); {9540#(= (+ (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 0)} is VALID [2022-02-20 16:07:30,474 INFO L290 TraceCheckUtils]: 26: Hoare triple {9540#(= (+ (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 0)} assume !false;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_~P1~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647;main_~P2~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647;main_~P3~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;assume -2147483648 <= main_#t~nondet7#1 && main_#t~nondet7#1 <= 2147483647;main_~P4~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;assume -2147483648 <= main_#t~nondet8#1 && main_#t~nondet8#1 <= 2147483647;main_~P5~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647;main_~P6~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1;assume -2147483648 <= main_#t~nondet10#1 && main_#t~nondet10#1 <= 2147483647;main_~P7~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;assume -2147483648 <= main_#t~nondet11#1 && main_#t~nondet11#1 <= 2147483647;main_~P8~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;assume -2147483648 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 2147483647;main_~P9~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; {9540#(= (+ (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 0)} is VALID [2022-02-20 16:07:30,474 INFO L290 TraceCheckUtils]: 25: Hoare triple {9541#(and (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (<= 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|))} assume !((1 == main_~this_buffer_empty~0#1 && !(0 != main_~P3~0#1)) || ((main_~P3~0#1 != (if main_~this_expect~0#1 - 1 < 0 && 0 != (main_~this_expect~0#1 - 1) % 2 then (main_~this_expect~0#1 - 1) % 2 - 2 else (main_~this_expect~0#1 - 1) % 2) && 1 != main_~this_buffer_empty~0#1) && !(0 != main_~P3~0#1)));main_~q~0#1 := 4;main_~this_expect~0#1 := main_~this_expect~0#1;main_~this_buffer_empty~0#1 := 1 - main_~this_buffer_empty~0#1; {9540#(= (+ (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 0)} is VALID [2022-02-20 16:07:30,475 INFO L290 TraceCheckUtils]: 24: Hoare triple {9541#(and (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (<= 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|))} assume !(0 != main_~P1~0#1);main_~method_id~0#1 := 3; {9541#(and (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (<= 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|))} is VALID [2022-02-20 16:07:30,475 INFO L290 TraceCheckUtils]: 23: Hoare triple {9541#(and (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (<= 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|))} assume 0 != main_#t~nondet27#1;havoc main_#t~nondet27#1; {9541#(and (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (<= 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|))} is VALID [2022-02-20 16:07:30,475 INFO L290 TraceCheckUtils]: 22: Hoare triple {9541#(and (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (<= 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|))} assume !(0 != main_#t~nondet26#1);havoc main_#t~nondet26#1;assume -2147483648 <= main_#t~nondet27#1 && main_#t~nondet27#1 <= 2147483647; {9541#(and (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (<= 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|))} is VALID [2022-02-20 16:07:30,476 INFO L290 TraceCheckUtils]: 21: Hoare triple {9541#(and (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (<= 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|))} assume 3 == main_~q~0#1;assume -2147483648 <= main_#t~nondet26#1 && main_#t~nondet26#1 <= 2147483647; {9541#(and (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (<= 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|))} is VALID [2022-02-20 16:07:30,477 INFO L290 TraceCheckUtils]: 20: Hoare triple {9541#(and (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (<= 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|))} assume !(2 == main_~q~0#1); {9541#(and (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (<= 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|))} is VALID [2022-02-20 16:07:30,477 INFO L290 TraceCheckUtils]: 19: Hoare triple {9541#(and (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (<= 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|))} assume !(1 == main_~q~0#1); {9541#(and (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (<= 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|))} is VALID [2022-02-20 16:07:30,477 INFO L290 TraceCheckUtils]: 18: Hoare triple {9541#(and (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (<= 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|))} assume !(0 == main_~q~0#1); {9541#(and (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (<= 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|))} is VALID [2022-02-20 16:07:30,478 INFO L290 TraceCheckUtils]: 17: Hoare triple {9541#(and (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (<= 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|))} assume !(main_~this_expect~0#1 > 16); {9541#(and (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (<= 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|))} is VALID [2022-02-20 16:07:30,478 INFO L290 TraceCheckUtils]: 16: Hoare triple {9541#(and (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (<= 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|))} assume !false;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_~P1~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647;main_~P2~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647;main_~P3~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;assume -2147483648 <= main_#t~nondet7#1 && main_#t~nondet7#1 <= 2147483647;main_~P4~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;assume -2147483648 <= main_#t~nondet8#1 && main_#t~nondet8#1 <= 2147483647;main_~P5~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647;main_~P6~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1;assume -2147483648 <= main_#t~nondet10#1 && main_#t~nondet10#1 <= 2147483647;main_~P7~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;assume -2147483648 <= main_#t~nondet11#1 && main_#t~nondet11#1 <= 2147483647;main_~P8~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;assume -2147483648 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 2147483647;main_~P9~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; {9541#(and (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (<= 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|))} is VALID [2022-02-20 16:07:30,479 INFO L290 TraceCheckUtils]: 15: Hoare triple {9540#(= (+ (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 0)} assume !((((if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2) != (if main_~this_expect~0#1 < 0 && 0 != main_~this_expect~0#1 % 2 then main_~this_expect~0#1 % 2 - 2 else main_~this_expect~0#1 % 2) && 1 == main_~this_buffer_empty~0#1) && !(0 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2))) || (1 != main_~this_buffer_empty~0#1 && !(0 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2))));main_~q~0#1 := 3;main_~this_expect~0#1 := 1 + main_~this_expect~0#1;main_~this_buffer_empty~0#1 := 1 - main_~this_buffer_empty~0#1; {9541#(and (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (<= 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|))} is VALID [2022-02-20 16:07:30,479 INFO L290 TraceCheckUtils]: 14: Hoare triple {9540#(= (+ (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 0)} assume !(0 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2));main_~method_id~0#1 := 2; {9540#(= (+ (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 0)} is VALID [2022-02-20 16:07:30,479 INFO L290 TraceCheckUtils]: 13: Hoare triple {9540#(= (+ (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 0)} assume 0 != main_#t~nondet14#1;havoc main_#t~nondet14#1; {9540#(= (+ (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 0)} is VALID [2022-02-20 16:07:30,480 INFO L290 TraceCheckUtils]: 12: Hoare triple {9540#(= (+ (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 0)} assume 1 == main_~q~0#1;assume -2147483648 <= main_#t~nondet14#1 && main_#t~nondet14#1 <= 2147483647; {9540#(= (+ (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 0)} is VALID [2022-02-20 16:07:30,480 INFO L290 TraceCheckUtils]: 11: Hoare triple {9540#(= (+ (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 0)} assume !(0 == main_~q~0#1); {9540#(= (+ (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 0)} is VALID [2022-02-20 16:07:30,480 INFO L290 TraceCheckUtils]: 10: Hoare triple {9540#(= (+ (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 0)} assume !(main_~this_expect~0#1 > 16); {9540#(= (+ (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 0)} is VALID [2022-02-20 16:07:30,481 INFO L290 TraceCheckUtils]: 9: Hoare triple {9540#(= (+ (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 0)} assume !false;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_~P1~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647;main_~P2~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647;main_~P3~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;assume -2147483648 <= main_#t~nondet7#1 && main_#t~nondet7#1 <= 2147483647;main_~P4~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;assume -2147483648 <= main_#t~nondet8#1 && main_#t~nondet8#1 <= 2147483647;main_~P5~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647;main_~P6~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1;assume -2147483648 <= main_#t~nondet10#1 && main_#t~nondet10#1 <= 2147483647;main_~P7~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;assume -2147483648 <= main_#t~nondet11#1 && main_#t~nondet11#1 <= 2147483647;main_~P8~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;assume -2147483648 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 2147483647;main_~P9~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; {9540#(= (+ (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 0)} is VALID [2022-02-20 16:07:30,481 INFO L290 TraceCheckUtils]: 8: Hoare triple {9538#true} assume !false;main_~q~0#1 := 1;main_~this_expect~0#1 := 0;main_~this_buffer_empty~0#1 := 1; {9540#(= (+ (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 0)} is VALID [2022-02-20 16:07:30,481 INFO L290 TraceCheckUtils]: 7: Hoare triple {9538#true} main_~method_id~0#1 := 1; {9538#true} is VALID [2022-02-20 16:07:30,481 INFO L290 TraceCheckUtils]: 6: Hoare triple {9538#true} assume 0 != main_#t~nondet13#1;havoc main_#t~nondet13#1; {9538#true} is VALID [2022-02-20 16:07:30,481 INFO L290 TraceCheckUtils]: 5: Hoare triple {9538#true} assume 0 == main_~q~0#1;assume -2147483648 <= main_#t~nondet13#1 && main_#t~nondet13#1 <= 2147483647; {9538#true} is VALID [2022-02-20 16:07:30,481 INFO L290 TraceCheckUtils]: 4: Hoare triple {9538#true} assume !(main_~this_expect~0#1 > 16); {9538#true} is VALID [2022-02-20 16:07:30,482 INFO L290 TraceCheckUtils]: 3: Hoare triple {9538#true} assume !false;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_~P1~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647;main_~P2~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647;main_~P3~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;assume -2147483648 <= main_#t~nondet7#1 && main_#t~nondet7#1 <= 2147483647;main_~P4~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;assume -2147483648 <= main_#t~nondet8#1 && main_#t~nondet8#1 <= 2147483647;main_~P5~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647;main_~P6~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1;assume -2147483648 <= main_#t~nondet10#1 && main_#t~nondet10#1 <= 2147483647;main_~P7~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;assume -2147483648 <= main_#t~nondet11#1 && main_#t~nondet11#1 <= 2147483647;main_~P8~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;assume -2147483648 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 2147483647;main_~P9~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; {9538#true} is VALID [2022-02-20 16:07:30,482 INFO L290 TraceCheckUtils]: 2: Hoare triple {9538#true} goto; {9538#true} is VALID [2022-02-20 16:07:30,482 INFO L290 TraceCheckUtils]: 1: Hoare triple {9538#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~nondet5#1, main_#t~nondet6#1, main_#t~nondet7#1, main_#t~nondet8#1, main_#t~nondet9#1, main_#t~nondet10#1, main_#t~nondet11#1, main_#t~nondet12#1, main_#t~nondet13#1, main_#t~nondet14#1, main_#t~nondet15#1, main_#t~nondet16#1, main_#t~nondet17#1, main_#t~nondet18#1, main_#t~nondet19#1, main_#t~nondet20#1, main_#t~nondet21#1, main_#t~nondet22#1, main_#t~nondet23#1, main_#t~nondet24#1, main_#t~nondet25#1, main_#t~nondet26#1, main_#t~nondet27#1, main_#t~nondet28#1, main_#t~nondet29#1, main_#t~nondet30#1, main_#t~nondet31#1, main_#t~nondet32#1, main_#t~nondet33#1, main_#t~nondet34#1, main_#t~nondet35#1, main_#t~nondet36#1, main_#t~nondet37#1, main_#t~nondet38#1, main_#t~nondet39#1, main_#t~nondet40#1, main_#t~nondet41#1, main_#t~nondet42#1, main_#t~nondet43#1, main_~P1~0#1, main_~P2~0#1, main_~P3~0#1, main_~P4~0#1, main_~P5~0#1, main_~P6~0#1, main_~P7~0#1, main_~P8~0#1, main_~P9~0#1, main_~q~0#1, main_~method_id~0#1, main_~this_expect~0#1, main_~this_buffer_empty~0#1;main_~q~0#1 := 0;havoc main_~method_id~0#1;main_~this_expect~0#1 := 0;main_~this_buffer_empty~0#1 := 0; {9538#true} is VALID [2022-02-20 16:07:30,482 INFO L290 TraceCheckUtils]: 0: Hoare triple {9538#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(16, 2);call #Ultimate.allocInit(12, 3);~m_Protocol~0 := 1;~m_msg_2~0 := 2;~m_recv_ack_2~0 := 3;~m_msg_1_1~0 := 4;~m_msg_1_2~0 := 5;~m_recv_ack_1_1~0 := 6;~m_recv_ack_1_2~0 := 7; {9538#true} is VALID [2022-02-20 16:07:30,483 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 9 proven. 10 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-02-20 16:07:30,483 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [956905768] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-20 16:07:30,483 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-20 16:07:30,483 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 4 [2022-02-20 16:07:30,483 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1275016974] [2022-02-20 16:07:30,483 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-20 16:07:30,484 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 38 [2022-02-20 16:07:30,484 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 16:07:30,485 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 4 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:07:30,504 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 35 edges. 35 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 16:07:30,504 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-02-20 16:07:30,504 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 16:07:30,504 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-02-20 16:07:30,505 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-02-20 16:07:30,505 INFO L87 Difference]: Start difference. First operand 400 states and 618 transitions. Second operand has 4 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:07:30,869 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 16:07:30,870 INFO L93 Difference]: Finished difference Result 415 states and 631 transitions. [2022-02-20 16:07:30,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-20 16:07:30,870 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 38 [2022-02-20 16:07:30,870 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 16:07:30,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:07:30,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 266 transitions. [2022-02-20 16:07:30,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:07:30,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 266 transitions. [2022-02-20 16:07:30,873 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states and 266 transitions. [2022-02-20 16:07:31,037 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 266 edges. 266 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 16:07:31,043 INFO L225 Difference]: With dead ends: 415 [2022-02-20 16:07:31,043 INFO L226 Difference]: Without dead ends: 403 [2022-02-20 16:07:31,043 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 70 SyntacticMatches, 7 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-02-20 16:07:31,043 INFO L933 BasicCegarLoop]: 219 mSDtfsCounter, 222 mSDsluCounter, 218 mSDsCounter, 0 mSdLazyCounter, 74 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 222 SdHoareTripleChecker+Valid, 437 SdHoareTripleChecker+Invalid, 90 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 74 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-20 16:07:31,044 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [222 Valid, 437 Invalid, 90 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 74 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-20 16:07:31,044 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 403 states. [2022-02-20 16:07:31,081 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 403 to 400. [2022-02-20 16:07:31,081 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 16:07:31,081 INFO L82 GeneralOperation]: Start isEquivalent. First operand 403 states. Second operand has 400 states, 399 states have (on average 1.518796992481203) internal successors, (606), 399 states have internal predecessors, (606), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:07:31,082 INFO L74 IsIncluded]: Start isIncluded. First operand 403 states. Second operand has 400 states, 399 states have (on average 1.518796992481203) internal successors, (606), 399 states have internal predecessors, (606), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:07:31,082 INFO L87 Difference]: Start difference. First operand 403 states. Second operand has 400 states, 399 states have (on average 1.518796992481203) internal successors, (606), 399 states have internal predecessors, (606), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:07:31,089 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 16:07:31,089 INFO L93 Difference]: Finished difference Result 403 states and 608 transitions. [2022-02-20 16:07:31,089 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 608 transitions. [2022-02-20 16:07:31,090 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 16:07:31,090 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 16:07:31,090 INFO L74 IsIncluded]: Start isIncluded. First operand has 400 states, 399 states have (on average 1.518796992481203) internal successors, (606), 399 states have internal predecessors, (606), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 403 states. [2022-02-20 16:07:31,091 INFO L87 Difference]: Start difference. First operand has 400 states, 399 states have (on average 1.518796992481203) internal successors, (606), 399 states have internal predecessors, (606), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 403 states. [2022-02-20 16:07:31,097 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 16:07:31,097 INFO L93 Difference]: Finished difference Result 403 states and 608 transitions. [2022-02-20 16:07:31,097 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 608 transitions. [2022-02-20 16:07:31,098 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 16:07:31,098 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 16:07:31,098 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 16:07:31,098 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 16:07:31,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 400 states, 399 states have (on average 1.518796992481203) internal successors, (606), 399 states have internal predecessors, (606), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:07:31,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 400 states to 400 states and 606 transitions. [2022-02-20 16:07:31,119 INFO L78 Accepts]: Start accepts. Automaton has 400 states and 606 transitions. Word has length 38 [2022-02-20 16:07:31,119 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 16:07:31,119 INFO L470 AbstractCegarLoop]: Abstraction has 400 states and 606 transitions. [2022-02-20 16:07:31,119 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:07:31,119 INFO L276 IsEmpty]: Start isEmpty. Operand 400 states and 606 transitions. [2022-02-20 16:07:31,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-02-20 16:07:31,120 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 16:07:31,120 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 16:07:31,136 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-02-20 16:07:31,335 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 16:07:31,336 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-20 16:07:31,336 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 16:07:31,336 INFO L85 PathProgramCache]: Analyzing trace with hash 1756734972, now seen corresponding path program 1 times [2022-02-20 16:07:31,336 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 16:07:31,336 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [88801384] [2022-02-20 16:07:31,336 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 16:07:31,336 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 16:07:31,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 16:07:31,549 INFO L290 TraceCheckUtils]: 0: Hoare triple {11437#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(16, 2);call #Ultimate.allocInit(12, 3);~m_Protocol~0 := 1;~m_msg_2~0 := 2;~m_recv_ack_2~0 := 3;~m_msg_1_1~0 := 4;~m_msg_1_2~0 := 5;~m_recv_ack_1_1~0 := 6;~m_recv_ack_1_2~0 := 7; {11437#true} is VALID [2022-02-20 16:07:31,549 INFO L290 TraceCheckUtils]: 1: Hoare triple {11437#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~nondet5#1, main_#t~nondet6#1, main_#t~nondet7#1, main_#t~nondet8#1, main_#t~nondet9#1, main_#t~nondet10#1, main_#t~nondet11#1, main_#t~nondet12#1, main_#t~nondet13#1, main_#t~nondet14#1, main_#t~nondet15#1, main_#t~nondet16#1, main_#t~nondet17#1, main_#t~nondet18#1, main_#t~nondet19#1, main_#t~nondet20#1, main_#t~nondet21#1, main_#t~nondet22#1, main_#t~nondet23#1, main_#t~nondet24#1, main_#t~nondet25#1, main_#t~nondet26#1, main_#t~nondet27#1, main_#t~nondet28#1, main_#t~nondet29#1, main_#t~nondet30#1, main_#t~nondet31#1, main_#t~nondet32#1, main_#t~nondet33#1, main_#t~nondet34#1, main_#t~nondet35#1, main_#t~nondet36#1, main_#t~nondet37#1, main_#t~nondet38#1, main_#t~nondet39#1, main_#t~nondet40#1, main_#t~nondet41#1, main_#t~nondet42#1, main_#t~nondet43#1, main_~P1~0#1, main_~P2~0#1, main_~P3~0#1, main_~P4~0#1, main_~P5~0#1, main_~P6~0#1, main_~P7~0#1, main_~P8~0#1, main_~P9~0#1, main_~q~0#1, main_~method_id~0#1, main_~this_expect~0#1, main_~this_buffer_empty~0#1;main_~q~0#1 := 0;havoc main_~method_id~0#1;main_~this_expect~0#1 := 0;main_~this_buffer_empty~0#1 := 0; {11437#true} is VALID [2022-02-20 16:07:31,550 INFO L290 TraceCheckUtils]: 2: Hoare triple {11437#true} goto; {11437#true} is VALID [2022-02-20 16:07:31,550 INFO L290 TraceCheckUtils]: 3: Hoare triple {11437#true} assume !false;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_~P1~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647;main_~P2~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647;main_~P3~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;assume -2147483648 <= main_#t~nondet7#1 && main_#t~nondet7#1 <= 2147483647;main_~P4~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;assume -2147483648 <= main_#t~nondet8#1 && main_#t~nondet8#1 <= 2147483647;main_~P5~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647;main_~P6~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1;assume -2147483648 <= main_#t~nondet10#1 && main_#t~nondet10#1 <= 2147483647;main_~P7~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;assume -2147483648 <= main_#t~nondet11#1 && main_#t~nondet11#1 <= 2147483647;main_~P8~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;assume -2147483648 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 2147483647;main_~P9~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; {11437#true} is VALID [2022-02-20 16:07:31,550 INFO L290 TraceCheckUtils]: 4: Hoare triple {11437#true} assume !(main_~this_expect~0#1 > 16); {11437#true} is VALID [2022-02-20 16:07:31,550 INFO L290 TraceCheckUtils]: 5: Hoare triple {11437#true} assume 0 == main_~q~0#1;assume -2147483648 <= main_#t~nondet13#1 && main_#t~nondet13#1 <= 2147483647; {11437#true} is VALID [2022-02-20 16:07:31,550 INFO L290 TraceCheckUtils]: 6: Hoare triple {11437#true} assume 0 != main_#t~nondet13#1;havoc main_#t~nondet13#1; {11437#true} is VALID [2022-02-20 16:07:31,550 INFO L290 TraceCheckUtils]: 7: Hoare triple {11437#true} main_~method_id~0#1 := 1; {11437#true} is VALID [2022-02-20 16:07:31,551 INFO L290 TraceCheckUtils]: 8: Hoare triple {11437#true} assume !false;main_~q~0#1 := 1;main_~this_expect~0#1 := 0;main_~this_buffer_empty~0#1 := 1; {11439#(and (= |ULTIMATE.start_main_~this_expect~0#1| 0) (= (+ (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 0))} is VALID [2022-02-20 16:07:31,551 INFO L290 TraceCheckUtils]: 9: Hoare triple {11439#(and (= |ULTIMATE.start_main_~this_expect~0#1| 0) (= (+ (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 0))} assume !false;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_~P1~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647;main_~P2~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647;main_~P3~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;assume -2147483648 <= main_#t~nondet7#1 && main_#t~nondet7#1 <= 2147483647;main_~P4~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;assume -2147483648 <= main_#t~nondet8#1 && main_#t~nondet8#1 <= 2147483647;main_~P5~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647;main_~P6~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1;assume -2147483648 <= main_#t~nondet10#1 && main_#t~nondet10#1 <= 2147483647;main_~P7~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;assume -2147483648 <= main_#t~nondet11#1 && main_#t~nondet11#1 <= 2147483647;main_~P8~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;assume -2147483648 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 2147483647;main_~P9~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; {11439#(and (= |ULTIMATE.start_main_~this_expect~0#1| 0) (= (+ (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 0))} is VALID [2022-02-20 16:07:31,552 INFO L290 TraceCheckUtils]: 10: Hoare triple {11439#(and (= |ULTIMATE.start_main_~this_expect~0#1| 0) (= (+ (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 0))} assume !(main_~this_expect~0#1 > 16); {11439#(and (= |ULTIMATE.start_main_~this_expect~0#1| 0) (= (+ (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 0))} is VALID [2022-02-20 16:07:31,552 INFO L290 TraceCheckUtils]: 11: Hoare triple {11439#(and (= |ULTIMATE.start_main_~this_expect~0#1| 0) (= (+ (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 0))} assume !(0 == main_~q~0#1); {11439#(and (= |ULTIMATE.start_main_~this_expect~0#1| 0) (= (+ (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 0))} is VALID [2022-02-20 16:07:31,552 INFO L290 TraceCheckUtils]: 12: Hoare triple {11439#(and (= |ULTIMATE.start_main_~this_expect~0#1| 0) (= (+ (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 0))} assume 1 == main_~q~0#1;assume -2147483648 <= main_#t~nondet14#1 && main_#t~nondet14#1 <= 2147483647; {11439#(and (= |ULTIMATE.start_main_~this_expect~0#1| 0) (= (+ (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 0))} is VALID [2022-02-20 16:07:31,553 INFO L290 TraceCheckUtils]: 13: Hoare triple {11439#(and (= |ULTIMATE.start_main_~this_expect~0#1| 0) (= (+ (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 0))} assume 0 != main_#t~nondet14#1;havoc main_#t~nondet14#1; {11439#(and (= |ULTIMATE.start_main_~this_expect~0#1| 0) (= (+ (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 0))} is VALID [2022-02-20 16:07:31,553 INFO L290 TraceCheckUtils]: 14: Hoare triple {11439#(and (= |ULTIMATE.start_main_~this_expect~0#1| 0) (= (+ (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 0))} assume !(0 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2));main_~method_id~0#1 := 2; {11439#(and (= |ULTIMATE.start_main_~this_expect~0#1| 0) (= (+ (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 0))} is VALID [2022-02-20 16:07:31,554 INFO L290 TraceCheckUtils]: 15: Hoare triple {11439#(and (= |ULTIMATE.start_main_~this_expect~0#1| 0) (= (+ (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 0))} assume !((((if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2) != (if main_~this_expect~0#1 < 0 && 0 != main_~this_expect~0#1 % 2 then main_~this_expect~0#1 % 2 - 2 else main_~this_expect~0#1 % 2) && 1 == main_~this_buffer_empty~0#1) && !(0 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2))) || (1 != main_~this_buffer_empty~0#1 && !(0 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2))));main_~q~0#1 := 3;main_~this_expect~0#1 := 1 + main_~this_expect~0#1;main_~this_buffer_empty~0#1 := 1 - main_~this_buffer_empty~0#1; {11440#(and (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_expect~0#1| 1) (<= 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|))} is VALID [2022-02-20 16:07:31,555 INFO L290 TraceCheckUtils]: 16: Hoare triple {11440#(and (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_expect~0#1| 1) (<= 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|))} assume !false;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_~P1~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647;main_~P2~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647;main_~P3~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;assume -2147483648 <= main_#t~nondet7#1 && main_#t~nondet7#1 <= 2147483647;main_~P4~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;assume -2147483648 <= main_#t~nondet8#1 && main_#t~nondet8#1 <= 2147483647;main_~P5~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647;main_~P6~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1;assume -2147483648 <= main_#t~nondet10#1 && main_#t~nondet10#1 <= 2147483647;main_~P7~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;assume -2147483648 <= main_#t~nondet11#1 && main_#t~nondet11#1 <= 2147483647;main_~P8~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;assume -2147483648 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 2147483647;main_~P9~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; {11440#(and (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_expect~0#1| 1) (<= 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|))} is VALID [2022-02-20 16:07:31,555 INFO L290 TraceCheckUtils]: 17: Hoare triple {11440#(and (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_expect~0#1| 1) (<= 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|))} assume !(main_~this_expect~0#1 > 16); {11440#(and (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_expect~0#1| 1) (<= 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|))} is VALID [2022-02-20 16:07:31,555 INFO L290 TraceCheckUtils]: 18: Hoare triple {11440#(and (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_expect~0#1| 1) (<= 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|))} assume !(0 == main_~q~0#1); {11440#(and (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_expect~0#1| 1) (<= 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|))} is VALID [2022-02-20 16:07:31,556 INFO L290 TraceCheckUtils]: 19: Hoare triple {11440#(and (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_expect~0#1| 1) (<= 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|))} assume !(1 == main_~q~0#1); {11440#(and (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_expect~0#1| 1) (<= 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|))} is VALID [2022-02-20 16:07:31,556 INFO L290 TraceCheckUtils]: 20: Hoare triple {11440#(and (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_expect~0#1| 1) (<= 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|))} assume !(2 == main_~q~0#1); {11440#(and (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_expect~0#1| 1) (<= 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|))} is VALID [2022-02-20 16:07:31,557 INFO L290 TraceCheckUtils]: 21: Hoare triple {11440#(and (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_expect~0#1| 1) (<= 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|))} assume 3 == main_~q~0#1;assume -2147483648 <= main_#t~nondet26#1 && main_#t~nondet26#1 <= 2147483647; {11440#(and (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_expect~0#1| 1) (<= 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|))} is VALID [2022-02-20 16:07:31,557 INFO L290 TraceCheckUtils]: 22: Hoare triple {11440#(and (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_expect~0#1| 1) (<= 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|))} assume !(0 != main_#t~nondet26#1);havoc main_#t~nondet26#1;assume -2147483648 <= main_#t~nondet27#1 && main_#t~nondet27#1 <= 2147483647; {11440#(and (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_expect~0#1| 1) (<= 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|))} is VALID [2022-02-20 16:07:31,558 INFO L290 TraceCheckUtils]: 23: Hoare triple {11440#(and (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_expect~0#1| 1) (<= 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|))} assume 0 != main_#t~nondet27#1;havoc main_#t~nondet27#1; {11440#(and (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_expect~0#1| 1) (<= 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|))} is VALID [2022-02-20 16:07:31,558 INFO L290 TraceCheckUtils]: 24: Hoare triple {11440#(and (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_expect~0#1| 1) (<= 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|))} assume !(0 != main_~P1~0#1);main_~method_id~0#1 := 3; {11440#(and (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_expect~0#1| 1) (<= 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|))} is VALID [2022-02-20 16:07:31,559 INFO L290 TraceCheckUtils]: 25: Hoare triple {11440#(and (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_expect~0#1| 1) (<= 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|))} assume !((1 == main_~this_buffer_empty~0#1 && !(0 != main_~P3~0#1)) || ((main_~P3~0#1 != (if main_~this_expect~0#1 - 1 < 0 && 0 != (main_~this_expect~0#1 - 1) % 2 then (main_~this_expect~0#1 - 1) % 2 - 2 else (main_~this_expect~0#1 - 1) % 2) && 1 != main_~this_buffer_empty~0#1) && !(0 != main_~P3~0#1)));main_~q~0#1 := 4;main_~this_expect~0#1 := main_~this_expect~0#1;main_~this_buffer_empty~0#1 := 1 - main_~this_buffer_empty~0#1; {11441#(and (< 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|) (= (+ (* (- 2) (div |ULTIMATE.start_main_~this_expect~0#1| 2)) |ULTIMATE.start_main_~this_expect~0#1|) 1) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1) (<= 0 |ULTIMATE.start_main_~this_expect~0#1|))} is VALID [2022-02-20 16:07:31,560 INFO L290 TraceCheckUtils]: 26: Hoare triple {11441#(and (< 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|) (= (+ (* (- 2) (div |ULTIMATE.start_main_~this_expect~0#1| 2)) |ULTIMATE.start_main_~this_expect~0#1|) 1) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1) (<= 0 |ULTIMATE.start_main_~this_expect~0#1|))} assume !false;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_~P1~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647;main_~P2~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647;main_~P3~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;assume -2147483648 <= main_#t~nondet7#1 && main_#t~nondet7#1 <= 2147483647;main_~P4~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;assume -2147483648 <= main_#t~nondet8#1 && main_#t~nondet8#1 <= 2147483647;main_~P5~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647;main_~P6~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1;assume -2147483648 <= main_#t~nondet10#1 && main_#t~nondet10#1 <= 2147483647;main_~P7~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;assume -2147483648 <= main_#t~nondet11#1 && main_#t~nondet11#1 <= 2147483647;main_~P8~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;assume -2147483648 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 2147483647;main_~P9~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; {11442#(and (or (< |ULTIMATE.start_main_~P6~0#1| 0) (not (= (+ |ULTIMATE.start_main_~P6~0#1| (* (- 2) (div |ULTIMATE.start_main_~P6~0#1| 2))) 1)) (and (= (+ (* (- 2) (div |ULTIMATE.start_main_~this_expect~0#1| 2)) |ULTIMATE.start_main_~this_expect~0#1|) 1) (<= 0 |ULTIMATE.start_main_~this_expect~0#1|))) (< 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} is VALID [2022-02-20 16:07:31,560 INFO L290 TraceCheckUtils]: 27: Hoare triple {11442#(and (or (< |ULTIMATE.start_main_~P6~0#1| 0) (not (= (+ |ULTIMATE.start_main_~P6~0#1| (* (- 2) (div |ULTIMATE.start_main_~P6~0#1| 2))) 1)) (and (= (+ (* (- 2) (div |ULTIMATE.start_main_~this_expect~0#1| 2)) |ULTIMATE.start_main_~this_expect~0#1|) 1) (<= 0 |ULTIMATE.start_main_~this_expect~0#1|))) (< 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} assume !(main_~this_expect~0#1 > 16); {11442#(and (or (< |ULTIMATE.start_main_~P6~0#1| 0) (not (= (+ |ULTIMATE.start_main_~P6~0#1| (* (- 2) (div |ULTIMATE.start_main_~P6~0#1| 2))) 1)) (and (= (+ (* (- 2) (div |ULTIMATE.start_main_~this_expect~0#1| 2)) |ULTIMATE.start_main_~this_expect~0#1|) 1) (<= 0 |ULTIMATE.start_main_~this_expect~0#1|))) (< 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} is VALID [2022-02-20 16:07:31,561 INFO L290 TraceCheckUtils]: 28: Hoare triple {11442#(and (or (< |ULTIMATE.start_main_~P6~0#1| 0) (not (= (+ |ULTIMATE.start_main_~P6~0#1| (* (- 2) (div |ULTIMATE.start_main_~P6~0#1| 2))) 1)) (and (= (+ (* (- 2) (div |ULTIMATE.start_main_~this_expect~0#1| 2)) |ULTIMATE.start_main_~this_expect~0#1|) 1) (<= 0 |ULTIMATE.start_main_~this_expect~0#1|))) (< 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} assume !(0 == main_~q~0#1); {11442#(and (or (< |ULTIMATE.start_main_~P6~0#1| 0) (not (= (+ |ULTIMATE.start_main_~P6~0#1| (* (- 2) (div |ULTIMATE.start_main_~P6~0#1| 2))) 1)) (and (= (+ (* (- 2) (div |ULTIMATE.start_main_~this_expect~0#1| 2)) |ULTIMATE.start_main_~this_expect~0#1|) 1) (<= 0 |ULTIMATE.start_main_~this_expect~0#1|))) (< 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} is VALID [2022-02-20 16:07:31,562 INFO L290 TraceCheckUtils]: 29: Hoare triple {11442#(and (or (< |ULTIMATE.start_main_~P6~0#1| 0) (not (= (+ |ULTIMATE.start_main_~P6~0#1| (* (- 2) (div |ULTIMATE.start_main_~P6~0#1| 2))) 1)) (and (= (+ (* (- 2) (div |ULTIMATE.start_main_~this_expect~0#1| 2)) |ULTIMATE.start_main_~this_expect~0#1|) 1) (<= 0 |ULTIMATE.start_main_~this_expect~0#1|))) (< 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} assume !(1 == main_~q~0#1); {11442#(and (or (< |ULTIMATE.start_main_~P6~0#1| 0) (not (= (+ |ULTIMATE.start_main_~P6~0#1| (* (- 2) (div |ULTIMATE.start_main_~P6~0#1| 2))) 1)) (and (= (+ (* (- 2) (div |ULTIMATE.start_main_~this_expect~0#1| 2)) |ULTIMATE.start_main_~this_expect~0#1|) 1) (<= 0 |ULTIMATE.start_main_~this_expect~0#1|))) (< 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} is VALID [2022-02-20 16:07:31,562 INFO L290 TraceCheckUtils]: 30: Hoare triple {11442#(and (or (< |ULTIMATE.start_main_~P6~0#1| 0) (not (= (+ |ULTIMATE.start_main_~P6~0#1| (* (- 2) (div |ULTIMATE.start_main_~P6~0#1| 2))) 1)) (and (= (+ (* (- 2) (div |ULTIMATE.start_main_~this_expect~0#1| 2)) |ULTIMATE.start_main_~this_expect~0#1|) 1) (<= 0 |ULTIMATE.start_main_~this_expect~0#1|))) (< 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} assume !(2 == main_~q~0#1); {11442#(and (or (< |ULTIMATE.start_main_~P6~0#1| 0) (not (= (+ |ULTIMATE.start_main_~P6~0#1| (* (- 2) (div |ULTIMATE.start_main_~P6~0#1| 2))) 1)) (and (= (+ (* (- 2) (div |ULTIMATE.start_main_~this_expect~0#1| 2)) |ULTIMATE.start_main_~this_expect~0#1|) 1) (<= 0 |ULTIMATE.start_main_~this_expect~0#1|))) (< 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} is VALID [2022-02-20 16:07:31,563 INFO L290 TraceCheckUtils]: 31: Hoare triple {11442#(and (or (< |ULTIMATE.start_main_~P6~0#1| 0) (not (= (+ |ULTIMATE.start_main_~P6~0#1| (* (- 2) (div |ULTIMATE.start_main_~P6~0#1| 2))) 1)) (and (= (+ (* (- 2) (div |ULTIMATE.start_main_~this_expect~0#1| 2)) |ULTIMATE.start_main_~this_expect~0#1|) 1) (<= 0 |ULTIMATE.start_main_~this_expect~0#1|))) (< 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} assume !(3 == main_~q~0#1); {11442#(and (or (< |ULTIMATE.start_main_~P6~0#1| 0) (not (= (+ |ULTIMATE.start_main_~P6~0#1| (* (- 2) (div |ULTIMATE.start_main_~P6~0#1| 2))) 1)) (and (= (+ (* (- 2) (div |ULTIMATE.start_main_~this_expect~0#1| 2)) |ULTIMATE.start_main_~this_expect~0#1|) 1) (<= 0 |ULTIMATE.start_main_~this_expect~0#1|))) (< 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} is VALID [2022-02-20 16:07:31,564 INFO L290 TraceCheckUtils]: 32: Hoare triple {11442#(and (or (< |ULTIMATE.start_main_~P6~0#1| 0) (not (= (+ |ULTIMATE.start_main_~P6~0#1| (* (- 2) (div |ULTIMATE.start_main_~P6~0#1| 2))) 1)) (and (= (+ (* (- 2) (div |ULTIMATE.start_main_~this_expect~0#1| 2)) |ULTIMATE.start_main_~this_expect~0#1|) 1) (<= 0 |ULTIMATE.start_main_~this_expect~0#1|))) (< 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} assume 4 == main_~q~0#1;assume -2147483648 <= main_#t~nondet32#1 && main_#t~nondet32#1 <= 2147483647; {11442#(and (or (< |ULTIMATE.start_main_~P6~0#1| 0) (not (= (+ |ULTIMATE.start_main_~P6~0#1| (* (- 2) (div |ULTIMATE.start_main_~P6~0#1| 2))) 1)) (and (= (+ (* (- 2) (div |ULTIMATE.start_main_~this_expect~0#1| 2)) |ULTIMATE.start_main_~this_expect~0#1|) 1) (<= 0 |ULTIMATE.start_main_~this_expect~0#1|))) (< 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} is VALID [2022-02-20 16:07:31,564 INFO L290 TraceCheckUtils]: 33: Hoare triple {11442#(and (or (< |ULTIMATE.start_main_~P6~0#1| 0) (not (= (+ |ULTIMATE.start_main_~P6~0#1| (* (- 2) (div |ULTIMATE.start_main_~P6~0#1| 2))) 1)) (and (= (+ (* (- 2) (div |ULTIMATE.start_main_~this_expect~0#1| 2)) |ULTIMATE.start_main_~this_expect~0#1|) 1) (<= 0 |ULTIMATE.start_main_~this_expect~0#1|))) (< 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} assume !(0 != main_#t~nondet32#1);havoc main_#t~nondet32#1;assume -2147483648 <= main_#t~nondet33#1 && main_#t~nondet33#1 <= 2147483647; {11442#(and (or (< |ULTIMATE.start_main_~P6~0#1| 0) (not (= (+ |ULTIMATE.start_main_~P6~0#1| (* (- 2) (div |ULTIMATE.start_main_~P6~0#1| 2))) 1)) (and (= (+ (* (- 2) (div |ULTIMATE.start_main_~this_expect~0#1| 2)) |ULTIMATE.start_main_~this_expect~0#1|) 1) (<= 0 |ULTIMATE.start_main_~this_expect~0#1|))) (< 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} is VALID [2022-02-20 16:07:31,565 INFO L290 TraceCheckUtils]: 34: Hoare triple {11442#(and (or (< |ULTIMATE.start_main_~P6~0#1| 0) (not (= (+ |ULTIMATE.start_main_~P6~0#1| (* (- 2) (div |ULTIMATE.start_main_~P6~0#1| 2))) 1)) (and (= (+ (* (- 2) (div |ULTIMATE.start_main_~this_expect~0#1| 2)) |ULTIMATE.start_main_~this_expect~0#1|) 1) (<= 0 |ULTIMATE.start_main_~this_expect~0#1|))) (< 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} assume !(0 != main_#t~nondet33#1);havoc main_#t~nondet33#1;assume -2147483648 <= main_#t~nondet34#1 && main_#t~nondet34#1 <= 2147483647; {11442#(and (or (< |ULTIMATE.start_main_~P6~0#1| 0) (not (= (+ |ULTIMATE.start_main_~P6~0#1| (* (- 2) (div |ULTIMATE.start_main_~P6~0#1| 2))) 1)) (and (= (+ (* (- 2) (div |ULTIMATE.start_main_~this_expect~0#1| 2)) |ULTIMATE.start_main_~this_expect~0#1|) 1) (<= 0 |ULTIMATE.start_main_~this_expect~0#1|))) (< 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} is VALID [2022-02-20 16:07:31,566 INFO L290 TraceCheckUtils]: 35: Hoare triple {11442#(and (or (< |ULTIMATE.start_main_~P6~0#1| 0) (not (= (+ |ULTIMATE.start_main_~P6~0#1| (* (- 2) (div |ULTIMATE.start_main_~P6~0#1| 2))) 1)) (and (= (+ (* (- 2) (div |ULTIMATE.start_main_~this_expect~0#1| 2)) |ULTIMATE.start_main_~this_expect~0#1|) 1) (<= 0 |ULTIMATE.start_main_~this_expect~0#1|))) (< 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} assume !(0 != main_#t~nondet34#1);havoc main_#t~nondet34#1;assume -2147483648 <= main_#t~nondet35#1 && main_#t~nondet35#1 <= 2147483647; {11442#(and (or (< |ULTIMATE.start_main_~P6~0#1| 0) (not (= (+ |ULTIMATE.start_main_~P6~0#1| (* (- 2) (div |ULTIMATE.start_main_~P6~0#1| 2))) 1)) (and (= (+ (* (- 2) (div |ULTIMATE.start_main_~this_expect~0#1| 2)) |ULTIMATE.start_main_~this_expect~0#1|) 1) (<= 0 |ULTIMATE.start_main_~this_expect~0#1|))) (< 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} is VALID [2022-02-20 16:07:31,566 INFO L290 TraceCheckUtils]: 36: Hoare triple {11442#(and (or (< |ULTIMATE.start_main_~P6~0#1| 0) (not (= (+ |ULTIMATE.start_main_~P6~0#1| (* (- 2) (div |ULTIMATE.start_main_~P6~0#1| 2))) 1)) (and (= (+ (* (- 2) (div |ULTIMATE.start_main_~this_expect~0#1| 2)) |ULTIMATE.start_main_~this_expect~0#1|) 1) (<= 0 |ULTIMATE.start_main_~this_expect~0#1|))) (< 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} assume 0 != main_#t~nondet35#1;havoc main_#t~nondet35#1; {11442#(and (or (< |ULTIMATE.start_main_~P6~0#1| 0) (not (= (+ |ULTIMATE.start_main_~P6~0#1| (* (- 2) (div |ULTIMATE.start_main_~P6~0#1| 2))) 1)) (and (= (+ (* (- 2) (div |ULTIMATE.start_main_~this_expect~0#1| 2)) |ULTIMATE.start_main_~this_expect~0#1|) 1) (<= 0 |ULTIMATE.start_main_~this_expect~0#1|))) (< 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} is VALID [2022-02-20 16:07:31,567 INFO L290 TraceCheckUtils]: 37: Hoare triple {11442#(and (or (< |ULTIMATE.start_main_~P6~0#1| 0) (not (= (+ |ULTIMATE.start_main_~P6~0#1| (* (- 2) (div |ULTIMATE.start_main_~P6~0#1| 2))) 1)) (and (= (+ (* (- 2) (div |ULTIMATE.start_main_~this_expect~0#1| 2)) |ULTIMATE.start_main_~this_expect~0#1|) 1) (<= 0 |ULTIMATE.start_main_~this_expect~0#1|))) (< 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} assume 0 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2) && !(1 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2) && 0 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2));main_~method_id~0#1 := 5; {11442#(and (or (< |ULTIMATE.start_main_~P6~0#1| 0) (not (= (+ |ULTIMATE.start_main_~P6~0#1| (* (- 2) (div |ULTIMATE.start_main_~P6~0#1| 2))) 1)) (and (= (+ (* (- 2) (div |ULTIMATE.start_main_~this_expect~0#1| 2)) |ULTIMATE.start_main_~this_expect~0#1|) 1) (<= 0 |ULTIMATE.start_main_~this_expect~0#1|))) (< 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} is VALID [2022-02-20 16:07:31,568 INFO L290 TraceCheckUtils]: 38: Hoare triple {11442#(and (or (< |ULTIMATE.start_main_~P6~0#1| 0) (not (= (+ |ULTIMATE.start_main_~P6~0#1| (* (- 2) (div |ULTIMATE.start_main_~P6~0#1| 2))) 1)) (and (= (+ (* (- 2) (div |ULTIMATE.start_main_~this_expect~0#1| 2)) |ULTIMATE.start_main_~this_expect~0#1|) 1) (<= 0 |ULTIMATE.start_main_~this_expect~0#1|))) (< 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} assume ((((if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2) != (if main_~this_expect~0#1 < 0 && 0 != main_~this_expect~0#1 % 2 then main_~this_expect~0#1 % 2 - 2 else main_~this_expect~0#1 % 2) && 1 == main_~this_buffer_empty~0#1) && 0 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2)) && 0 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2) && !(1 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2) && 0 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2))) || ((1 != main_~this_buffer_empty~0#1 && 0 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2)) && 0 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2) && !(1 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2) && 0 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2))); {11438#false} is VALID [2022-02-20 16:07:31,568 INFO L290 TraceCheckUtils]: 39: Hoare triple {11438#false} assume !false; {11438#false} is VALID [2022-02-20 16:07:31,568 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 9 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 16:07:31,568 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 16:07:31,569 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [88801384] [2022-02-20 16:07:31,569 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [88801384] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-20 16:07:31,569 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [70751491] [2022-02-20 16:07:31,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 16:07:31,569 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 16:07:31,569 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 16:07:31,570 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-20 16:07:31,571 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-02-20 16:07:31,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 16:07:31,647 INFO L263 TraceCheckSpWp]: Trace formula consists of 276 conjuncts, 13 conjunts are in the unsatisfiable core [2022-02-20 16:07:31,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 16:07:31,659 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-20 16:07:32,145 INFO L290 TraceCheckUtils]: 0: Hoare triple {11437#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(16, 2);call #Ultimate.allocInit(12, 3);~m_Protocol~0 := 1;~m_msg_2~0 := 2;~m_recv_ack_2~0 := 3;~m_msg_1_1~0 := 4;~m_msg_1_2~0 := 5;~m_recv_ack_1_1~0 := 6;~m_recv_ack_1_2~0 := 7; {11437#true} is VALID [2022-02-20 16:07:32,146 INFO L290 TraceCheckUtils]: 1: Hoare triple {11437#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~nondet5#1, main_#t~nondet6#1, main_#t~nondet7#1, main_#t~nondet8#1, main_#t~nondet9#1, main_#t~nondet10#1, main_#t~nondet11#1, main_#t~nondet12#1, main_#t~nondet13#1, main_#t~nondet14#1, main_#t~nondet15#1, main_#t~nondet16#1, main_#t~nondet17#1, main_#t~nondet18#1, main_#t~nondet19#1, main_#t~nondet20#1, main_#t~nondet21#1, main_#t~nondet22#1, main_#t~nondet23#1, main_#t~nondet24#1, main_#t~nondet25#1, main_#t~nondet26#1, main_#t~nondet27#1, main_#t~nondet28#1, main_#t~nondet29#1, main_#t~nondet30#1, main_#t~nondet31#1, main_#t~nondet32#1, main_#t~nondet33#1, main_#t~nondet34#1, main_#t~nondet35#1, main_#t~nondet36#1, main_#t~nondet37#1, main_#t~nondet38#1, main_#t~nondet39#1, main_#t~nondet40#1, main_#t~nondet41#1, main_#t~nondet42#1, main_#t~nondet43#1, main_~P1~0#1, main_~P2~0#1, main_~P3~0#1, main_~P4~0#1, main_~P5~0#1, main_~P6~0#1, main_~P7~0#1, main_~P8~0#1, main_~P9~0#1, main_~q~0#1, main_~method_id~0#1, main_~this_expect~0#1, main_~this_buffer_empty~0#1;main_~q~0#1 := 0;havoc main_~method_id~0#1;main_~this_expect~0#1 := 0;main_~this_buffer_empty~0#1 := 0; {11437#true} is VALID [2022-02-20 16:07:32,146 INFO L290 TraceCheckUtils]: 2: Hoare triple {11437#true} goto; {11437#true} is VALID [2022-02-20 16:07:32,146 INFO L290 TraceCheckUtils]: 3: Hoare triple {11437#true} assume !false;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_~P1~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647;main_~P2~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647;main_~P3~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;assume -2147483648 <= main_#t~nondet7#1 && main_#t~nondet7#1 <= 2147483647;main_~P4~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;assume -2147483648 <= main_#t~nondet8#1 && main_#t~nondet8#1 <= 2147483647;main_~P5~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647;main_~P6~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1;assume -2147483648 <= main_#t~nondet10#1 && main_#t~nondet10#1 <= 2147483647;main_~P7~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;assume -2147483648 <= main_#t~nondet11#1 && main_#t~nondet11#1 <= 2147483647;main_~P8~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;assume -2147483648 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 2147483647;main_~P9~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; {11437#true} is VALID [2022-02-20 16:07:32,146 INFO L290 TraceCheckUtils]: 4: Hoare triple {11437#true} assume !(main_~this_expect~0#1 > 16); {11437#true} is VALID [2022-02-20 16:07:32,146 INFO L290 TraceCheckUtils]: 5: Hoare triple {11437#true} assume 0 == main_~q~0#1;assume -2147483648 <= main_#t~nondet13#1 && main_#t~nondet13#1 <= 2147483647; {11437#true} is VALID [2022-02-20 16:07:32,146 INFO L290 TraceCheckUtils]: 6: Hoare triple {11437#true} assume 0 != main_#t~nondet13#1;havoc main_#t~nondet13#1; {11437#true} is VALID [2022-02-20 16:07:32,146 INFO L290 TraceCheckUtils]: 7: Hoare triple {11437#true} main_~method_id~0#1 := 1; {11437#true} is VALID [2022-02-20 16:07:32,147 INFO L290 TraceCheckUtils]: 8: Hoare triple {11437#true} assume !false;main_~q~0#1 := 1;main_~this_expect~0#1 := 0;main_~this_buffer_empty~0#1 := 1; {11439#(and (= |ULTIMATE.start_main_~this_expect~0#1| 0) (= (+ (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 0))} is VALID [2022-02-20 16:07:32,147 INFO L290 TraceCheckUtils]: 9: Hoare triple {11439#(and (= |ULTIMATE.start_main_~this_expect~0#1| 0) (= (+ (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 0))} assume !false;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_~P1~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647;main_~P2~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647;main_~P3~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;assume -2147483648 <= main_#t~nondet7#1 && main_#t~nondet7#1 <= 2147483647;main_~P4~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;assume -2147483648 <= main_#t~nondet8#1 && main_#t~nondet8#1 <= 2147483647;main_~P5~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647;main_~P6~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1;assume -2147483648 <= main_#t~nondet10#1 && main_#t~nondet10#1 <= 2147483647;main_~P7~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;assume -2147483648 <= main_#t~nondet11#1 && main_#t~nondet11#1 <= 2147483647;main_~P8~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;assume -2147483648 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 2147483647;main_~P9~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; {11439#(and (= |ULTIMATE.start_main_~this_expect~0#1| 0) (= (+ (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 0))} is VALID [2022-02-20 16:07:32,148 INFO L290 TraceCheckUtils]: 10: Hoare triple {11439#(and (= |ULTIMATE.start_main_~this_expect~0#1| 0) (= (+ (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 0))} assume !(main_~this_expect~0#1 > 16); {11439#(and (= |ULTIMATE.start_main_~this_expect~0#1| 0) (= (+ (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 0))} is VALID [2022-02-20 16:07:32,148 INFO L290 TraceCheckUtils]: 11: Hoare triple {11439#(and (= |ULTIMATE.start_main_~this_expect~0#1| 0) (= (+ (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 0))} assume !(0 == main_~q~0#1); {11439#(and (= |ULTIMATE.start_main_~this_expect~0#1| 0) (= (+ (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 0))} is VALID [2022-02-20 16:07:32,149 INFO L290 TraceCheckUtils]: 12: Hoare triple {11439#(and (= |ULTIMATE.start_main_~this_expect~0#1| 0) (= (+ (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 0))} assume 1 == main_~q~0#1;assume -2147483648 <= main_#t~nondet14#1 && main_#t~nondet14#1 <= 2147483647; {11439#(and (= |ULTIMATE.start_main_~this_expect~0#1| 0) (= (+ (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 0))} is VALID [2022-02-20 16:07:32,149 INFO L290 TraceCheckUtils]: 13: Hoare triple {11439#(and (= |ULTIMATE.start_main_~this_expect~0#1| 0) (= (+ (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 0))} assume 0 != main_#t~nondet14#1;havoc main_#t~nondet14#1; {11439#(and (= |ULTIMATE.start_main_~this_expect~0#1| 0) (= (+ (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 0))} is VALID [2022-02-20 16:07:32,149 INFO L290 TraceCheckUtils]: 14: Hoare triple {11439#(and (= |ULTIMATE.start_main_~this_expect~0#1| 0) (= (+ (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 0))} assume !(0 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2));main_~method_id~0#1 := 2; {11439#(and (= |ULTIMATE.start_main_~this_expect~0#1| 0) (= (+ (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 0))} is VALID [2022-02-20 16:07:32,150 INFO L290 TraceCheckUtils]: 15: Hoare triple {11439#(and (= |ULTIMATE.start_main_~this_expect~0#1| 0) (= (+ (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 0))} assume !((((if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2) != (if main_~this_expect~0#1 < 0 && 0 != main_~this_expect~0#1 % 2 then main_~this_expect~0#1 % 2 - 2 else main_~this_expect~0#1 % 2) && 1 == main_~this_buffer_empty~0#1) && !(0 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2))) || (1 != main_~this_buffer_empty~0#1 && !(0 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2))));main_~q~0#1 := 3;main_~this_expect~0#1 := 1 + main_~this_expect~0#1;main_~this_buffer_empty~0#1 := 1 - main_~this_buffer_empty~0#1; {11440#(and (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_expect~0#1| 1) (<= 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|))} is VALID [2022-02-20 16:07:32,151 INFO L290 TraceCheckUtils]: 16: Hoare triple {11440#(and (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_expect~0#1| 1) (<= 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|))} assume !false;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_~P1~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647;main_~P2~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647;main_~P3~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;assume -2147483648 <= main_#t~nondet7#1 && main_#t~nondet7#1 <= 2147483647;main_~P4~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;assume -2147483648 <= main_#t~nondet8#1 && main_#t~nondet8#1 <= 2147483647;main_~P5~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647;main_~P6~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1;assume -2147483648 <= main_#t~nondet10#1 && main_#t~nondet10#1 <= 2147483647;main_~P7~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;assume -2147483648 <= main_#t~nondet11#1 && main_#t~nondet11#1 <= 2147483647;main_~P8~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;assume -2147483648 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 2147483647;main_~P9~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; {11440#(and (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_expect~0#1| 1) (<= 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|))} is VALID [2022-02-20 16:07:32,151 INFO L290 TraceCheckUtils]: 17: Hoare triple {11440#(and (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_expect~0#1| 1) (<= 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|))} assume !(main_~this_expect~0#1 > 16); {11440#(and (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_expect~0#1| 1) (<= 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|))} is VALID [2022-02-20 16:07:32,151 INFO L290 TraceCheckUtils]: 18: Hoare triple {11440#(and (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_expect~0#1| 1) (<= 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|))} assume !(0 == main_~q~0#1); {11440#(and (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_expect~0#1| 1) (<= 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|))} is VALID [2022-02-20 16:07:32,152 INFO L290 TraceCheckUtils]: 19: Hoare triple {11440#(and (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_expect~0#1| 1) (<= 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|))} assume !(1 == main_~q~0#1); {11440#(and (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_expect~0#1| 1) (<= 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|))} is VALID [2022-02-20 16:07:32,152 INFO L290 TraceCheckUtils]: 20: Hoare triple {11440#(and (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_expect~0#1| 1) (<= 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|))} assume !(2 == main_~q~0#1); {11440#(and (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_expect~0#1| 1) (<= 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|))} is VALID [2022-02-20 16:07:32,153 INFO L290 TraceCheckUtils]: 21: Hoare triple {11440#(and (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_expect~0#1| 1) (<= 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|))} assume 3 == main_~q~0#1;assume -2147483648 <= main_#t~nondet26#1 && main_#t~nondet26#1 <= 2147483647; {11440#(and (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_expect~0#1| 1) (<= 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|))} is VALID [2022-02-20 16:07:32,153 INFO L290 TraceCheckUtils]: 22: Hoare triple {11440#(and (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_expect~0#1| 1) (<= 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|))} assume !(0 != main_#t~nondet26#1);havoc main_#t~nondet26#1;assume -2147483648 <= main_#t~nondet27#1 && main_#t~nondet27#1 <= 2147483647; {11440#(and (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_expect~0#1| 1) (<= 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|))} is VALID [2022-02-20 16:07:32,153 INFO L290 TraceCheckUtils]: 23: Hoare triple {11440#(and (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_expect~0#1| 1) (<= 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|))} assume 0 != main_#t~nondet27#1;havoc main_#t~nondet27#1; {11440#(and (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_expect~0#1| 1) (<= 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|))} is VALID [2022-02-20 16:07:32,154 INFO L290 TraceCheckUtils]: 24: Hoare triple {11440#(and (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_expect~0#1| 1) (<= 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|))} assume !(0 != main_~P1~0#1);main_~method_id~0#1 := 3; {11440#(and (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_expect~0#1| 1) (<= 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|))} is VALID [2022-02-20 16:07:32,155 INFO L290 TraceCheckUtils]: 25: Hoare triple {11440#(and (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_expect~0#1| 1) (<= 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|))} assume !((1 == main_~this_buffer_empty~0#1 && !(0 != main_~P3~0#1)) || ((main_~P3~0#1 != (if main_~this_expect~0#1 - 1 < 0 && 0 != (main_~this_expect~0#1 - 1) % 2 then (main_~this_expect~0#1 - 1) % 2 - 2 else (main_~this_expect~0#1 - 1) % 2) && 1 != main_~this_buffer_empty~0#1) && !(0 != main_~P3~0#1)));main_~q~0#1 := 4;main_~this_expect~0#1 := main_~this_expect~0#1;main_~this_buffer_empty~0#1 := 1 - main_~this_buffer_empty~0#1; {11521#(and (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_expect~0#1| 1) (<= 1 |ULTIMATE.start_main_~this_buffer_empty~0#1|) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} is VALID [2022-02-20 16:07:32,155 INFO L290 TraceCheckUtils]: 26: Hoare triple {11521#(and (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_expect~0#1| 1) (<= 1 |ULTIMATE.start_main_~this_buffer_empty~0#1|) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} assume !false;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_~P1~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647;main_~P2~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647;main_~P3~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;assume -2147483648 <= main_#t~nondet7#1 && main_#t~nondet7#1 <= 2147483647;main_~P4~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;assume -2147483648 <= main_#t~nondet8#1 && main_#t~nondet8#1 <= 2147483647;main_~P5~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647;main_~P6~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1;assume -2147483648 <= main_#t~nondet10#1 && main_#t~nondet10#1 <= 2147483647;main_~P7~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;assume -2147483648 <= main_#t~nondet11#1 && main_#t~nondet11#1 <= 2147483647;main_~P8~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;assume -2147483648 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 2147483647;main_~P9~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; {11521#(and (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_expect~0#1| 1) (<= 1 |ULTIMATE.start_main_~this_buffer_empty~0#1|) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} is VALID [2022-02-20 16:07:32,156 INFO L290 TraceCheckUtils]: 27: Hoare triple {11521#(and (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_expect~0#1| 1) (<= 1 |ULTIMATE.start_main_~this_buffer_empty~0#1|) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} assume !(main_~this_expect~0#1 > 16); {11521#(and (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_expect~0#1| 1) (<= 1 |ULTIMATE.start_main_~this_buffer_empty~0#1|) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} is VALID [2022-02-20 16:07:32,156 INFO L290 TraceCheckUtils]: 28: Hoare triple {11521#(and (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_expect~0#1| 1) (<= 1 |ULTIMATE.start_main_~this_buffer_empty~0#1|) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} assume !(0 == main_~q~0#1); {11521#(and (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_expect~0#1| 1) (<= 1 |ULTIMATE.start_main_~this_buffer_empty~0#1|) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} is VALID [2022-02-20 16:07:32,156 INFO L290 TraceCheckUtils]: 29: Hoare triple {11521#(and (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_expect~0#1| 1) (<= 1 |ULTIMATE.start_main_~this_buffer_empty~0#1|) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} assume !(1 == main_~q~0#1); {11521#(and (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_expect~0#1| 1) (<= 1 |ULTIMATE.start_main_~this_buffer_empty~0#1|) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} is VALID [2022-02-20 16:07:32,157 INFO L290 TraceCheckUtils]: 30: Hoare triple {11521#(and (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_expect~0#1| 1) (<= 1 |ULTIMATE.start_main_~this_buffer_empty~0#1|) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} assume !(2 == main_~q~0#1); {11521#(and (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_expect~0#1| 1) (<= 1 |ULTIMATE.start_main_~this_buffer_empty~0#1|) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} is VALID [2022-02-20 16:07:32,157 INFO L290 TraceCheckUtils]: 31: Hoare triple {11521#(and (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_expect~0#1| 1) (<= 1 |ULTIMATE.start_main_~this_buffer_empty~0#1|) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} assume !(3 == main_~q~0#1); {11521#(and (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_expect~0#1| 1) (<= 1 |ULTIMATE.start_main_~this_buffer_empty~0#1|) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} is VALID [2022-02-20 16:07:32,158 INFO L290 TraceCheckUtils]: 32: Hoare triple {11521#(and (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_expect~0#1| 1) (<= 1 |ULTIMATE.start_main_~this_buffer_empty~0#1|) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} assume 4 == main_~q~0#1;assume -2147483648 <= main_#t~nondet32#1 && main_#t~nondet32#1 <= 2147483647; {11521#(and (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_expect~0#1| 1) (<= 1 |ULTIMATE.start_main_~this_buffer_empty~0#1|) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} is VALID [2022-02-20 16:07:32,158 INFO L290 TraceCheckUtils]: 33: Hoare triple {11521#(and (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_expect~0#1| 1) (<= 1 |ULTIMATE.start_main_~this_buffer_empty~0#1|) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} assume !(0 != main_#t~nondet32#1);havoc main_#t~nondet32#1;assume -2147483648 <= main_#t~nondet33#1 && main_#t~nondet33#1 <= 2147483647; {11521#(and (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_expect~0#1| 1) (<= 1 |ULTIMATE.start_main_~this_buffer_empty~0#1|) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} is VALID [2022-02-20 16:07:32,158 INFO L290 TraceCheckUtils]: 34: Hoare triple {11521#(and (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_expect~0#1| 1) (<= 1 |ULTIMATE.start_main_~this_buffer_empty~0#1|) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} assume !(0 != main_#t~nondet33#1);havoc main_#t~nondet33#1;assume -2147483648 <= main_#t~nondet34#1 && main_#t~nondet34#1 <= 2147483647; {11521#(and (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_expect~0#1| 1) (<= 1 |ULTIMATE.start_main_~this_buffer_empty~0#1|) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} is VALID [2022-02-20 16:07:32,159 INFO L290 TraceCheckUtils]: 35: Hoare triple {11521#(and (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_expect~0#1| 1) (<= 1 |ULTIMATE.start_main_~this_buffer_empty~0#1|) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} assume !(0 != main_#t~nondet34#1);havoc main_#t~nondet34#1;assume -2147483648 <= main_#t~nondet35#1 && main_#t~nondet35#1 <= 2147483647; {11521#(and (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_expect~0#1| 1) (<= 1 |ULTIMATE.start_main_~this_buffer_empty~0#1|) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} is VALID [2022-02-20 16:07:32,159 INFO L290 TraceCheckUtils]: 36: Hoare triple {11521#(and (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_expect~0#1| 1) (<= 1 |ULTIMATE.start_main_~this_buffer_empty~0#1|) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} assume 0 != main_#t~nondet35#1;havoc main_#t~nondet35#1; {11521#(and (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_expect~0#1| 1) (<= 1 |ULTIMATE.start_main_~this_buffer_empty~0#1|) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} is VALID [2022-02-20 16:07:32,160 INFO L290 TraceCheckUtils]: 37: Hoare triple {11521#(and (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_expect~0#1| 1) (<= 1 |ULTIMATE.start_main_~this_buffer_empty~0#1|) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} assume 0 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2) && !(1 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2) && 0 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2));main_~method_id~0#1 := 5; {11521#(and (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_expect~0#1| 1) (<= 1 |ULTIMATE.start_main_~this_buffer_empty~0#1|) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} is VALID [2022-02-20 16:07:32,160 INFO L290 TraceCheckUtils]: 38: Hoare triple {11521#(and (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_expect~0#1| 1) (<= 1 |ULTIMATE.start_main_~this_buffer_empty~0#1|) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} assume ((((if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2) != (if main_~this_expect~0#1 < 0 && 0 != main_~this_expect~0#1 % 2 then main_~this_expect~0#1 % 2 - 2 else main_~this_expect~0#1 % 2) && 1 == main_~this_buffer_empty~0#1) && 0 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2)) && 0 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2) && !(1 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2) && 0 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2))) || ((1 != main_~this_buffer_empty~0#1 && 0 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2)) && 0 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2) && !(1 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2) && 0 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2))); {11438#false} is VALID [2022-02-20 16:07:32,161 INFO L290 TraceCheckUtils]: 39: Hoare triple {11438#false} assume !false; {11438#false} is VALID [2022-02-20 16:07:32,161 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 9 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 16:07:32,161 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-20 16:07:32,775 INFO L290 TraceCheckUtils]: 39: Hoare triple {11438#false} assume !false; {11438#false} is VALID [2022-02-20 16:07:32,776 INFO L290 TraceCheckUtils]: 38: Hoare triple {11441#(and (< 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|) (= (+ (* (- 2) (div |ULTIMATE.start_main_~this_expect~0#1| 2)) |ULTIMATE.start_main_~this_expect~0#1|) 1) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1) (<= 0 |ULTIMATE.start_main_~this_expect~0#1|))} assume ((((if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2) != (if main_~this_expect~0#1 < 0 && 0 != main_~this_expect~0#1 % 2 then main_~this_expect~0#1 % 2 - 2 else main_~this_expect~0#1 % 2) && 1 == main_~this_buffer_empty~0#1) && 0 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2)) && 0 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2) && !(1 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2) && 0 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2))) || ((1 != main_~this_buffer_empty~0#1 && 0 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2)) && 0 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2) && !(1 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2) && 0 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2))); {11438#false} is VALID [2022-02-20 16:07:32,777 INFO L290 TraceCheckUtils]: 37: Hoare triple {11441#(and (< 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|) (= (+ (* (- 2) (div |ULTIMATE.start_main_~this_expect~0#1| 2)) |ULTIMATE.start_main_~this_expect~0#1|) 1) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1) (<= 0 |ULTIMATE.start_main_~this_expect~0#1|))} assume 0 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2) && !(1 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2) && 0 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2));main_~method_id~0#1 := 5; {11441#(and (< 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|) (= (+ (* (- 2) (div |ULTIMATE.start_main_~this_expect~0#1| 2)) |ULTIMATE.start_main_~this_expect~0#1|) 1) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1) (<= 0 |ULTIMATE.start_main_~this_expect~0#1|))} is VALID [2022-02-20 16:07:32,777 INFO L290 TraceCheckUtils]: 36: Hoare triple {11441#(and (< 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|) (= (+ (* (- 2) (div |ULTIMATE.start_main_~this_expect~0#1| 2)) |ULTIMATE.start_main_~this_expect~0#1|) 1) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1) (<= 0 |ULTIMATE.start_main_~this_expect~0#1|))} assume 0 != main_#t~nondet35#1;havoc main_#t~nondet35#1; {11441#(and (< 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|) (= (+ (* (- 2) (div |ULTIMATE.start_main_~this_expect~0#1| 2)) |ULTIMATE.start_main_~this_expect~0#1|) 1) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1) (<= 0 |ULTIMATE.start_main_~this_expect~0#1|))} is VALID [2022-02-20 16:07:32,778 INFO L290 TraceCheckUtils]: 35: Hoare triple {11441#(and (< 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|) (= (+ (* (- 2) (div |ULTIMATE.start_main_~this_expect~0#1| 2)) |ULTIMATE.start_main_~this_expect~0#1|) 1) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1) (<= 0 |ULTIMATE.start_main_~this_expect~0#1|))} assume !(0 != main_#t~nondet34#1);havoc main_#t~nondet34#1;assume -2147483648 <= main_#t~nondet35#1 && main_#t~nondet35#1 <= 2147483647; {11441#(and (< 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|) (= (+ (* (- 2) (div |ULTIMATE.start_main_~this_expect~0#1| 2)) |ULTIMATE.start_main_~this_expect~0#1|) 1) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1) (<= 0 |ULTIMATE.start_main_~this_expect~0#1|))} is VALID [2022-02-20 16:07:32,778 INFO L290 TraceCheckUtils]: 34: Hoare triple {11441#(and (< 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|) (= (+ (* (- 2) (div |ULTIMATE.start_main_~this_expect~0#1| 2)) |ULTIMATE.start_main_~this_expect~0#1|) 1) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1) (<= 0 |ULTIMATE.start_main_~this_expect~0#1|))} assume !(0 != main_#t~nondet33#1);havoc main_#t~nondet33#1;assume -2147483648 <= main_#t~nondet34#1 && main_#t~nondet34#1 <= 2147483647; {11441#(and (< 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|) (= (+ (* (- 2) (div |ULTIMATE.start_main_~this_expect~0#1| 2)) |ULTIMATE.start_main_~this_expect~0#1|) 1) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1) (<= 0 |ULTIMATE.start_main_~this_expect~0#1|))} is VALID [2022-02-20 16:07:32,779 INFO L290 TraceCheckUtils]: 33: Hoare triple {11441#(and (< 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|) (= (+ (* (- 2) (div |ULTIMATE.start_main_~this_expect~0#1| 2)) |ULTIMATE.start_main_~this_expect~0#1|) 1) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1) (<= 0 |ULTIMATE.start_main_~this_expect~0#1|))} assume !(0 != main_#t~nondet32#1);havoc main_#t~nondet32#1;assume -2147483648 <= main_#t~nondet33#1 && main_#t~nondet33#1 <= 2147483647; {11441#(and (< 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|) (= (+ (* (- 2) (div |ULTIMATE.start_main_~this_expect~0#1| 2)) |ULTIMATE.start_main_~this_expect~0#1|) 1) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1) (<= 0 |ULTIMATE.start_main_~this_expect~0#1|))} is VALID [2022-02-20 16:07:32,779 INFO L290 TraceCheckUtils]: 32: Hoare triple {11441#(and (< 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|) (= (+ (* (- 2) (div |ULTIMATE.start_main_~this_expect~0#1| 2)) |ULTIMATE.start_main_~this_expect~0#1|) 1) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1) (<= 0 |ULTIMATE.start_main_~this_expect~0#1|))} assume 4 == main_~q~0#1;assume -2147483648 <= main_#t~nondet32#1 && main_#t~nondet32#1 <= 2147483647; {11441#(and (< 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|) (= (+ (* (- 2) (div |ULTIMATE.start_main_~this_expect~0#1| 2)) |ULTIMATE.start_main_~this_expect~0#1|) 1) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1) (<= 0 |ULTIMATE.start_main_~this_expect~0#1|))} is VALID [2022-02-20 16:07:32,780 INFO L290 TraceCheckUtils]: 31: Hoare triple {11441#(and (< 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|) (= (+ (* (- 2) (div |ULTIMATE.start_main_~this_expect~0#1| 2)) |ULTIMATE.start_main_~this_expect~0#1|) 1) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1) (<= 0 |ULTIMATE.start_main_~this_expect~0#1|))} assume !(3 == main_~q~0#1); {11441#(and (< 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|) (= (+ (* (- 2) (div |ULTIMATE.start_main_~this_expect~0#1| 2)) |ULTIMATE.start_main_~this_expect~0#1|) 1) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1) (<= 0 |ULTIMATE.start_main_~this_expect~0#1|))} is VALID [2022-02-20 16:07:32,780 INFO L290 TraceCheckUtils]: 30: Hoare triple {11441#(and (< 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|) (= (+ (* (- 2) (div |ULTIMATE.start_main_~this_expect~0#1| 2)) |ULTIMATE.start_main_~this_expect~0#1|) 1) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1) (<= 0 |ULTIMATE.start_main_~this_expect~0#1|))} assume !(2 == main_~q~0#1); {11441#(and (< 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|) (= (+ (* (- 2) (div |ULTIMATE.start_main_~this_expect~0#1| 2)) |ULTIMATE.start_main_~this_expect~0#1|) 1) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1) (<= 0 |ULTIMATE.start_main_~this_expect~0#1|))} is VALID [2022-02-20 16:07:32,781 INFO L290 TraceCheckUtils]: 29: Hoare triple {11441#(and (< 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|) (= (+ (* (- 2) (div |ULTIMATE.start_main_~this_expect~0#1| 2)) |ULTIMATE.start_main_~this_expect~0#1|) 1) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1) (<= 0 |ULTIMATE.start_main_~this_expect~0#1|))} assume !(1 == main_~q~0#1); {11441#(and (< 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|) (= (+ (* (- 2) (div |ULTIMATE.start_main_~this_expect~0#1| 2)) |ULTIMATE.start_main_~this_expect~0#1|) 1) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1) (<= 0 |ULTIMATE.start_main_~this_expect~0#1|))} is VALID [2022-02-20 16:07:32,781 INFO L290 TraceCheckUtils]: 28: Hoare triple {11441#(and (< 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|) (= (+ (* (- 2) (div |ULTIMATE.start_main_~this_expect~0#1| 2)) |ULTIMATE.start_main_~this_expect~0#1|) 1) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1) (<= 0 |ULTIMATE.start_main_~this_expect~0#1|))} assume !(0 == main_~q~0#1); {11441#(and (< 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|) (= (+ (* (- 2) (div |ULTIMATE.start_main_~this_expect~0#1| 2)) |ULTIMATE.start_main_~this_expect~0#1|) 1) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1) (<= 0 |ULTIMATE.start_main_~this_expect~0#1|))} is VALID [2022-02-20 16:07:32,782 INFO L290 TraceCheckUtils]: 27: Hoare triple {11441#(and (< 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|) (= (+ (* (- 2) (div |ULTIMATE.start_main_~this_expect~0#1| 2)) |ULTIMATE.start_main_~this_expect~0#1|) 1) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1) (<= 0 |ULTIMATE.start_main_~this_expect~0#1|))} assume !(main_~this_expect~0#1 > 16); {11441#(and (< 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|) (= (+ (* (- 2) (div |ULTIMATE.start_main_~this_expect~0#1| 2)) |ULTIMATE.start_main_~this_expect~0#1|) 1) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1) (<= 0 |ULTIMATE.start_main_~this_expect~0#1|))} is VALID [2022-02-20 16:07:32,782 INFO L290 TraceCheckUtils]: 26: Hoare triple {11441#(and (< 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|) (= (+ (* (- 2) (div |ULTIMATE.start_main_~this_expect~0#1| 2)) |ULTIMATE.start_main_~this_expect~0#1|) 1) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1) (<= 0 |ULTIMATE.start_main_~this_expect~0#1|))} assume !false;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_~P1~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647;main_~P2~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647;main_~P3~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;assume -2147483648 <= main_#t~nondet7#1 && main_#t~nondet7#1 <= 2147483647;main_~P4~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;assume -2147483648 <= main_#t~nondet8#1 && main_#t~nondet8#1 <= 2147483647;main_~P5~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647;main_~P6~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1;assume -2147483648 <= main_#t~nondet10#1 && main_#t~nondet10#1 <= 2147483647;main_~P7~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;assume -2147483648 <= main_#t~nondet11#1 && main_#t~nondet11#1 <= 2147483647;main_~P8~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;assume -2147483648 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 2147483647;main_~P9~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; {11441#(and (< 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|) (= (+ (* (- 2) (div |ULTIMATE.start_main_~this_expect~0#1| 2)) |ULTIMATE.start_main_~this_expect~0#1|) 1) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1) (<= 0 |ULTIMATE.start_main_~this_expect~0#1|))} is VALID [2022-02-20 16:07:32,783 INFO L290 TraceCheckUtils]: 25: Hoare triple {11606#(and (= (+ (* (- 2) (div |ULTIMATE.start_main_~this_expect~0#1| 2)) |ULTIMATE.start_main_~this_expect~0#1|) 1) (< |ULTIMATE.start_main_~this_buffer_empty~0#1| 1) (<= 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|) (<= 0 |ULTIMATE.start_main_~this_expect~0#1|))} assume !((1 == main_~this_buffer_empty~0#1 && !(0 != main_~P3~0#1)) || ((main_~P3~0#1 != (if main_~this_expect~0#1 - 1 < 0 && 0 != (main_~this_expect~0#1 - 1) % 2 then (main_~this_expect~0#1 - 1) % 2 - 2 else (main_~this_expect~0#1 - 1) % 2) && 1 != main_~this_buffer_empty~0#1) && !(0 != main_~P3~0#1)));main_~q~0#1 := 4;main_~this_expect~0#1 := main_~this_expect~0#1;main_~this_buffer_empty~0#1 := 1 - main_~this_buffer_empty~0#1; {11441#(and (< 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|) (= (+ (* (- 2) (div |ULTIMATE.start_main_~this_expect~0#1| 2)) |ULTIMATE.start_main_~this_expect~0#1|) 1) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1) (<= 0 |ULTIMATE.start_main_~this_expect~0#1|))} is VALID [2022-02-20 16:07:32,784 INFO L290 TraceCheckUtils]: 24: Hoare triple {11606#(and (= (+ (* (- 2) (div |ULTIMATE.start_main_~this_expect~0#1| 2)) |ULTIMATE.start_main_~this_expect~0#1|) 1) (< |ULTIMATE.start_main_~this_buffer_empty~0#1| 1) (<= 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|) (<= 0 |ULTIMATE.start_main_~this_expect~0#1|))} assume !(0 != main_~P1~0#1);main_~method_id~0#1 := 3; {11606#(and (= (+ (* (- 2) (div |ULTIMATE.start_main_~this_expect~0#1| 2)) |ULTIMATE.start_main_~this_expect~0#1|) 1) (< |ULTIMATE.start_main_~this_buffer_empty~0#1| 1) (<= 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|) (<= 0 |ULTIMATE.start_main_~this_expect~0#1|))} is VALID [2022-02-20 16:07:32,784 INFO L290 TraceCheckUtils]: 23: Hoare triple {11606#(and (= (+ (* (- 2) (div |ULTIMATE.start_main_~this_expect~0#1| 2)) |ULTIMATE.start_main_~this_expect~0#1|) 1) (< |ULTIMATE.start_main_~this_buffer_empty~0#1| 1) (<= 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|) (<= 0 |ULTIMATE.start_main_~this_expect~0#1|))} assume 0 != main_#t~nondet27#1;havoc main_#t~nondet27#1; {11606#(and (= (+ (* (- 2) (div |ULTIMATE.start_main_~this_expect~0#1| 2)) |ULTIMATE.start_main_~this_expect~0#1|) 1) (< |ULTIMATE.start_main_~this_buffer_empty~0#1| 1) (<= 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|) (<= 0 |ULTIMATE.start_main_~this_expect~0#1|))} is VALID [2022-02-20 16:07:32,785 INFO L290 TraceCheckUtils]: 22: Hoare triple {11606#(and (= (+ (* (- 2) (div |ULTIMATE.start_main_~this_expect~0#1| 2)) |ULTIMATE.start_main_~this_expect~0#1|) 1) (< |ULTIMATE.start_main_~this_buffer_empty~0#1| 1) (<= 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|) (<= 0 |ULTIMATE.start_main_~this_expect~0#1|))} assume !(0 != main_#t~nondet26#1);havoc main_#t~nondet26#1;assume -2147483648 <= main_#t~nondet27#1 && main_#t~nondet27#1 <= 2147483647; {11606#(and (= (+ (* (- 2) (div |ULTIMATE.start_main_~this_expect~0#1| 2)) |ULTIMATE.start_main_~this_expect~0#1|) 1) (< |ULTIMATE.start_main_~this_buffer_empty~0#1| 1) (<= 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|) (<= 0 |ULTIMATE.start_main_~this_expect~0#1|))} is VALID [2022-02-20 16:07:32,785 INFO L290 TraceCheckUtils]: 21: Hoare triple {11606#(and (= (+ (* (- 2) (div |ULTIMATE.start_main_~this_expect~0#1| 2)) |ULTIMATE.start_main_~this_expect~0#1|) 1) (< |ULTIMATE.start_main_~this_buffer_empty~0#1| 1) (<= 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|) (<= 0 |ULTIMATE.start_main_~this_expect~0#1|))} assume 3 == main_~q~0#1;assume -2147483648 <= main_#t~nondet26#1 && main_#t~nondet26#1 <= 2147483647; {11606#(and (= (+ (* (- 2) (div |ULTIMATE.start_main_~this_expect~0#1| 2)) |ULTIMATE.start_main_~this_expect~0#1|) 1) (< |ULTIMATE.start_main_~this_buffer_empty~0#1| 1) (<= 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|) (<= 0 |ULTIMATE.start_main_~this_expect~0#1|))} is VALID [2022-02-20 16:07:32,785 INFO L290 TraceCheckUtils]: 20: Hoare triple {11606#(and (= (+ (* (- 2) (div |ULTIMATE.start_main_~this_expect~0#1| 2)) |ULTIMATE.start_main_~this_expect~0#1|) 1) (< |ULTIMATE.start_main_~this_buffer_empty~0#1| 1) (<= 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|) (<= 0 |ULTIMATE.start_main_~this_expect~0#1|))} assume !(2 == main_~q~0#1); {11606#(and (= (+ (* (- 2) (div |ULTIMATE.start_main_~this_expect~0#1| 2)) |ULTIMATE.start_main_~this_expect~0#1|) 1) (< |ULTIMATE.start_main_~this_buffer_empty~0#1| 1) (<= 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|) (<= 0 |ULTIMATE.start_main_~this_expect~0#1|))} is VALID [2022-02-20 16:07:32,786 INFO L290 TraceCheckUtils]: 19: Hoare triple {11606#(and (= (+ (* (- 2) (div |ULTIMATE.start_main_~this_expect~0#1| 2)) |ULTIMATE.start_main_~this_expect~0#1|) 1) (< |ULTIMATE.start_main_~this_buffer_empty~0#1| 1) (<= 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|) (<= 0 |ULTIMATE.start_main_~this_expect~0#1|))} assume !(1 == main_~q~0#1); {11606#(and (= (+ (* (- 2) (div |ULTIMATE.start_main_~this_expect~0#1| 2)) |ULTIMATE.start_main_~this_expect~0#1|) 1) (< |ULTIMATE.start_main_~this_buffer_empty~0#1| 1) (<= 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|) (<= 0 |ULTIMATE.start_main_~this_expect~0#1|))} is VALID [2022-02-20 16:07:32,786 INFO L290 TraceCheckUtils]: 18: Hoare triple {11606#(and (= (+ (* (- 2) (div |ULTIMATE.start_main_~this_expect~0#1| 2)) |ULTIMATE.start_main_~this_expect~0#1|) 1) (< |ULTIMATE.start_main_~this_buffer_empty~0#1| 1) (<= 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|) (<= 0 |ULTIMATE.start_main_~this_expect~0#1|))} assume !(0 == main_~q~0#1); {11606#(and (= (+ (* (- 2) (div |ULTIMATE.start_main_~this_expect~0#1| 2)) |ULTIMATE.start_main_~this_expect~0#1|) 1) (< |ULTIMATE.start_main_~this_buffer_empty~0#1| 1) (<= 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|) (<= 0 |ULTIMATE.start_main_~this_expect~0#1|))} is VALID [2022-02-20 16:07:32,787 INFO L290 TraceCheckUtils]: 17: Hoare triple {11606#(and (= (+ (* (- 2) (div |ULTIMATE.start_main_~this_expect~0#1| 2)) |ULTIMATE.start_main_~this_expect~0#1|) 1) (< |ULTIMATE.start_main_~this_buffer_empty~0#1| 1) (<= 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|) (<= 0 |ULTIMATE.start_main_~this_expect~0#1|))} assume !(main_~this_expect~0#1 > 16); {11606#(and (= (+ (* (- 2) (div |ULTIMATE.start_main_~this_expect~0#1| 2)) |ULTIMATE.start_main_~this_expect~0#1|) 1) (< |ULTIMATE.start_main_~this_buffer_empty~0#1| 1) (<= 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|) (<= 0 |ULTIMATE.start_main_~this_expect~0#1|))} is VALID [2022-02-20 16:07:32,788 INFO L290 TraceCheckUtils]: 16: Hoare triple {11606#(and (= (+ (* (- 2) (div |ULTIMATE.start_main_~this_expect~0#1| 2)) |ULTIMATE.start_main_~this_expect~0#1|) 1) (< |ULTIMATE.start_main_~this_buffer_empty~0#1| 1) (<= 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|) (<= 0 |ULTIMATE.start_main_~this_expect~0#1|))} assume !false;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_~P1~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647;main_~P2~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647;main_~P3~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;assume -2147483648 <= main_#t~nondet7#1 && main_#t~nondet7#1 <= 2147483647;main_~P4~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;assume -2147483648 <= main_#t~nondet8#1 && main_#t~nondet8#1 <= 2147483647;main_~P5~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647;main_~P6~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1;assume -2147483648 <= main_#t~nondet10#1 && main_#t~nondet10#1 <= 2147483647;main_~P7~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;assume -2147483648 <= main_#t~nondet11#1 && main_#t~nondet11#1 <= 2147483647;main_~P8~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;assume -2147483648 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 2147483647;main_~P9~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; {11606#(and (= (+ (* (- 2) (div |ULTIMATE.start_main_~this_expect~0#1| 2)) |ULTIMATE.start_main_~this_expect~0#1|) 1) (< |ULTIMATE.start_main_~this_buffer_empty~0#1| 1) (<= 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|) (<= 0 |ULTIMATE.start_main_~this_expect~0#1|))} is VALID [2022-02-20 16:07:32,788 INFO L290 TraceCheckUtils]: 15: Hoare triple {11637#(and (<= 0 (+ |ULTIMATE.start_main_~this_expect~0#1| 1)) (< 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1) (= (+ |ULTIMATE.start_main_~this_expect~0#1| (* (div (+ |ULTIMATE.start_main_~this_expect~0#1| 1) 2) (- 2)) 1) 1))} assume !((((if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2) != (if main_~this_expect~0#1 < 0 && 0 != main_~this_expect~0#1 % 2 then main_~this_expect~0#1 % 2 - 2 else main_~this_expect~0#1 % 2) && 1 == main_~this_buffer_empty~0#1) && !(0 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2))) || (1 != main_~this_buffer_empty~0#1 && !(0 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2))));main_~q~0#1 := 3;main_~this_expect~0#1 := 1 + main_~this_expect~0#1;main_~this_buffer_empty~0#1 := 1 - main_~this_buffer_empty~0#1; {11606#(and (= (+ (* (- 2) (div |ULTIMATE.start_main_~this_expect~0#1| 2)) |ULTIMATE.start_main_~this_expect~0#1|) 1) (< |ULTIMATE.start_main_~this_buffer_empty~0#1| 1) (<= 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|) (<= 0 |ULTIMATE.start_main_~this_expect~0#1|))} is VALID [2022-02-20 16:07:32,789 INFO L290 TraceCheckUtils]: 14: Hoare triple {11637#(and (<= 0 (+ |ULTIMATE.start_main_~this_expect~0#1| 1)) (< 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1) (= (+ |ULTIMATE.start_main_~this_expect~0#1| (* (div (+ |ULTIMATE.start_main_~this_expect~0#1| 1) 2) (- 2)) 1) 1))} assume !(0 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2));main_~method_id~0#1 := 2; {11637#(and (<= 0 (+ |ULTIMATE.start_main_~this_expect~0#1| 1)) (< 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1) (= (+ |ULTIMATE.start_main_~this_expect~0#1| (* (div (+ |ULTIMATE.start_main_~this_expect~0#1| 1) 2) (- 2)) 1) 1))} is VALID [2022-02-20 16:07:32,790 INFO L290 TraceCheckUtils]: 13: Hoare triple {11637#(and (<= 0 (+ |ULTIMATE.start_main_~this_expect~0#1| 1)) (< 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1) (= (+ |ULTIMATE.start_main_~this_expect~0#1| (* (div (+ |ULTIMATE.start_main_~this_expect~0#1| 1) 2) (- 2)) 1) 1))} assume 0 != main_#t~nondet14#1;havoc main_#t~nondet14#1; {11637#(and (<= 0 (+ |ULTIMATE.start_main_~this_expect~0#1| 1)) (< 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1) (= (+ |ULTIMATE.start_main_~this_expect~0#1| (* (div (+ |ULTIMATE.start_main_~this_expect~0#1| 1) 2) (- 2)) 1) 1))} is VALID [2022-02-20 16:07:32,790 INFO L290 TraceCheckUtils]: 12: Hoare triple {11637#(and (<= 0 (+ |ULTIMATE.start_main_~this_expect~0#1| 1)) (< 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1) (= (+ |ULTIMATE.start_main_~this_expect~0#1| (* (div (+ |ULTIMATE.start_main_~this_expect~0#1| 1) 2) (- 2)) 1) 1))} assume 1 == main_~q~0#1;assume -2147483648 <= main_#t~nondet14#1 && main_#t~nondet14#1 <= 2147483647; {11637#(and (<= 0 (+ |ULTIMATE.start_main_~this_expect~0#1| 1)) (< 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1) (= (+ |ULTIMATE.start_main_~this_expect~0#1| (* (div (+ |ULTIMATE.start_main_~this_expect~0#1| 1) 2) (- 2)) 1) 1))} is VALID [2022-02-20 16:07:32,790 INFO L290 TraceCheckUtils]: 11: Hoare triple {11637#(and (<= 0 (+ |ULTIMATE.start_main_~this_expect~0#1| 1)) (< 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1) (= (+ |ULTIMATE.start_main_~this_expect~0#1| (* (div (+ |ULTIMATE.start_main_~this_expect~0#1| 1) 2) (- 2)) 1) 1))} assume !(0 == main_~q~0#1); {11637#(and (<= 0 (+ |ULTIMATE.start_main_~this_expect~0#1| 1)) (< 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1) (= (+ |ULTIMATE.start_main_~this_expect~0#1| (* (div (+ |ULTIMATE.start_main_~this_expect~0#1| 1) 2) (- 2)) 1) 1))} is VALID [2022-02-20 16:07:32,791 INFO L290 TraceCheckUtils]: 10: Hoare triple {11637#(and (<= 0 (+ |ULTIMATE.start_main_~this_expect~0#1| 1)) (< 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1) (= (+ |ULTIMATE.start_main_~this_expect~0#1| (* (div (+ |ULTIMATE.start_main_~this_expect~0#1| 1) 2) (- 2)) 1) 1))} assume !(main_~this_expect~0#1 > 16); {11637#(and (<= 0 (+ |ULTIMATE.start_main_~this_expect~0#1| 1)) (< 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1) (= (+ |ULTIMATE.start_main_~this_expect~0#1| (* (div (+ |ULTIMATE.start_main_~this_expect~0#1| 1) 2) (- 2)) 1) 1))} is VALID [2022-02-20 16:07:32,792 INFO L290 TraceCheckUtils]: 9: Hoare triple {11637#(and (<= 0 (+ |ULTIMATE.start_main_~this_expect~0#1| 1)) (< 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1) (= (+ |ULTIMATE.start_main_~this_expect~0#1| (* (div (+ |ULTIMATE.start_main_~this_expect~0#1| 1) 2) (- 2)) 1) 1))} assume !false;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_~P1~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647;main_~P2~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647;main_~P3~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;assume -2147483648 <= main_#t~nondet7#1 && main_#t~nondet7#1 <= 2147483647;main_~P4~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;assume -2147483648 <= main_#t~nondet8#1 && main_#t~nondet8#1 <= 2147483647;main_~P5~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647;main_~P6~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1;assume -2147483648 <= main_#t~nondet10#1 && main_#t~nondet10#1 <= 2147483647;main_~P7~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;assume -2147483648 <= main_#t~nondet11#1 && main_#t~nondet11#1 <= 2147483647;main_~P8~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;assume -2147483648 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 2147483647;main_~P9~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; {11637#(and (<= 0 (+ |ULTIMATE.start_main_~this_expect~0#1| 1)) (< 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1) (= (+ |ULTIMATE.start_main_~this_expect~0#1| (* (div (+ |ULTIMATE.start_main_~this_expect~0#1| 1) 2) (- 2)) 1) 1))} is VALID [2022-02-20 16:07:32,792 INFO L290 TraceCheckUtils]: 8: Hoare triple {11437#true} assume !false;main_~q~0#1 := 1;main_~this_expect~0#1 := 0;main_~this_buffer_empty~0#1 := 1; {11637#(and (<= 0 (+ |ULTIMATE.start_main_~this_expect~0#1| 1)) (< 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1) (= (+ |ULTIMATE.start_main_~this_expect~0#1| (* (div (+ |ULTIMATE.start_main_~this_expect~0#1| 1) 2) (- 2)) 1) 1))} is VALID [2022-02-20 16:07:32,792 INFO L290 TraceCheckUtils]: 7: Hoare triple {11437#true} main_~method_id~0#1 := 1; {11437#true} is VALID [2022-02-20 16:07:32,792 INFO L290 TraceCheckUtils]: 6: Hoare triple {11437#true} assume 0 != main_#t~nondet13#1;havoc main_#t~nondet13#1; {11437#true} is VALID [2022-02-20 16:07:32,793 INFO L290 TraceCheckUtils]: 5: Hoare triple {11437#true} assume 0 == main_~q~0#1;assume -2147483648 <= main_#t~nondet13#1 && main_#t~nondet13#1 <= 2147483647; {11437#true} is VALID [2022-02-20 16:07:32,793 INFO L290 TraceCheckUtils]: 4: Hoare triple {11437#true} assume !(main_~this_expect~0#1 > 16); {11437#true} is VALID [2022-02-20 16:07:32,793 INFO L290 TraceCheckUtils]: 3: Hoare triple {11437#true} assume !false;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_~P1~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647;main_~P2~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647;main_~P3~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;assume -2147483648 <= main_#t~nondet7#1 && main_#t~nondet7#1 <= 2147483647;main_~P4~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;assume -2147483648 <= main_#t~nondet8#1 && main_#t~nondet8#1 <= 2147483647;main_~P5~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647;main_~P6~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1;assume -2147483648 <= main_#t~nondet10#1 && main_#t~nondet10#1 <= 2147483647;main_~P7~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;assume -2147483648 <= main_#t~nondet11#1 && main_#t~nondet11#1 <= 2147483647;main_~P8~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;assume -2147483648 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 2147483647;main_~P9~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; {11437#true} is VALID [2022-02-20 16:07:32,793 INFO L290 TraceCheckUtils]: 2: Hoare triple {11437#true} goto; {11437#true} is VALID [2022-02-20 16:07:32,793 INFO L290 TraceCheckUtils]: 1: Hoare triple {11437#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~nondet5#1, main_#t~nondet6#1, main_#t~nondet7#1, main_#t~nondet8#1, main_#t~nondet9#1, main_#t~nondet10#1, main_#t~nondet11#1, main_#t~nondet12#1, main_#t~nondet13#1, main_#t~nondet14#1, main_#t~nondet15#1, main_#t~nondet16#1, main_#t~nondet17#1, main_#t~nondet18#1, main_#t~nondet19#1, main_#t~nondet20#1, main_#t~nondet21#1, main_#t~nondet22#1, main_#t~nondet23#1, main_#t~nondet24#1, main_#t~nondet25#1, main_#t~nondet26#1, main_#t~nondet27#1, main_#t~nondet28#1, main_#t~nondet29#1, main_#t~nondet30#1, main_#t~nondet31#1, main_#t~nondet32#1, main_#t~nondet33#1, main_#t~nondet34#1, main_#t~nondet35#1, main_#t~nondet36#1, main_#t~nondet37#1, main_#t~nondet38#1, main_#t~nondet39#1, main_#t~nondet40#1, main_#t~nondet41#1, main_#t~nondet42#1, main_#t~nondet43#1, main_~P1~0#1, main_~P2~0#1, main_~P3~0#1, main_~P4~0#1, main_~P5~0#1, main_~P6~0#1, main_~P7~0#1, main_~P8~0#1, main_~P9~0#1, main_~q~0#1, main_~method_id~0#1, main_~this_expect~0#1, main_~this_buffer_empty~0#1;main_~q~0#1 := 0;havoc main_~method_id~0#1;main_~this_expect~0#1 := 0;main_~this_buffer_empty~0#1 := 0; {11437#true} is VALID [2022-02-20 16:07:32,793 INFO L290 TraceCheckUtils]: 0: Hoare triple {11437#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(16, 2);call #Ultimate.allocInit(12, 3);~m_Protocol~0 := 1;~m_msg_2~0 := 2;~m_recv_ack_2~0 := 3;~m_msg_1_1~0 := 4;~m_msg_1_2~0 := 5;~m_recv_ack_1_1~0 := 6;~m_recv_ack_1_2~0 := 7; {11437#true} is VALID [2022-02-20 16:07:32,793 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 9 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 16:07:32,793 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [70751491] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-20 16:07:32,794 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-20 16:07:32,794 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 9 [2022-02-20 16:07:32,794 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1193458316] [2022-02-20 16:07:32,794 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-20 16:07:32,794 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.444444444444445) internal successors, (85), 9 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 40 [2022-02-20 16:07:32,794 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 16:07:32,795 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 9 states, 9 states have (on average 9.444444444444445) internal successors, (85), 9 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:07:32,860 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 85 edges. 85 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 16:07:32,860 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-02-20 16:07:32,860 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 16:07:32,860 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-02-20 16:07:32,861 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2022-02-20 16:07:32,861 INFO L87 Difference]: Start difference. First operand 400 states and 606 transitions. Second operand has 9 states, 9 states have (on average 9.444444444444445) internal successors, (85), 9 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:07:33,670 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 16:07:33,670 INFO L93 Difference]: Finished difference Result 412 states and 615 transitions. [2022-02-20 16:07:33,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-20 16:07:33,670 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.444444444444445) internal successors, (85), 9 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 40 [2022-02-20 16:07:33,670 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 16:07:33,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 9 states have (on average 9.444444444444445) internal successors, (85), 9 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:07:33,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 278 transitions. [2022-02-20 16:07:33,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 9 states have (on average 9.444444444444445) internal successors, (85), 9 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:07:33,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 278 transitions. [2022-02-20 16:07:33,673 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states and 278 transitions. [2022-02-20 16:07:33,856 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 278 edges. 278 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 16:07:33,862 INFO L225 Difference]: With dead ends: 412 [2022-02-20 16:07:33,862 INFO L226 Difference]: Without dead ends: 410 [2022-02-20 16:07:33,863 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 74 SyntacticMatches, 3 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2022-02-20 16:07:33,863 INFO L933 BasicCegarLoop]: 167 mSDtfsCounter, 140 mSDsluCounter, 750 mSDsCounter, 0 mSdLazyCounter, 213 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 140 SdHoareTripleChecker+Valid, 917 SdHoareTripleChecker+Invalid, 218 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 213 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-02-20 16:07:33,864 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [140 Valid, 917 Invalid, 218 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 213 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-02-20 16:07:33,864 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 410 states. [2022-02-20 16:07:33,901 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 410 to 401. [2022-02-20 16:07:33,901 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 16:07:33,902 INFO L82 GeneralOperation]: Start isEquivalent. First operand 410 states. Second operand has 401 states, 400 states have (on average 1.5175) internal successors, (607), 400 states have internal predecessors, (607), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:07:33,902 INFO L74 IsIncluded]: Start isIncluded. First operand 410 states. Second operand has 401 states, 400 states have (on average 1.5175) internal successors, (607), 400 states have internal predecessors, (607), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:07:33,903 INFO L87 Difference]: Start difference. First operand 410 states. Second operand has 401 states, 400 states have (on average 1.5175) internal successors, (607), 400 states have internal predecessors, (607), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:07:33,909 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 16:07:33,910 INFO L93 Difference]: Finished difference Result 410 states and 613 transitions. [2022-02-20 16:07:33,910 INFO L276 IsEmpty]: Start isEmpty. Operand 410 states and 613 transitions. [2022-02-20 16:07:33,910 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 16:07:33,910 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 16:07:33,911 INFO L74 IsIncluded]: Start isIncluded. First operand has 401 states, 400 states have (on average 1.5175) internal successors, (607), 400 states have internal predecessors, (607), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 410 states. [2022-02-20 16:07:33,911 INFO L87 Difference]: Start difference. First operand has 401 states, 400 states have (on average 1.5175) internal successors, (607), 400 states have internal predecessors, (607), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 410 states. [2022-02-20 16:07:33,919 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 16:07:33,919 INFO L93 Difference]: Finished difference Result 410 states and 613 transitions. [2022-02-20 16:07:33,919 INFO L276 IsEmpty]: Start isEmpty. Operand 410 states and 613 transitions. [2022-02-20 16:07:33,920 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 16:07:33,920 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 16:07:33,920 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 16:07:33,920 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 16:07:33,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 401 states, 400 states have (on average 1.5175) internal successors, (607), 400 states have internal predecessors, (607), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:07:33,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 401 states and 607 transitions. [2022-02-20 16:07:33,928 INFO L78 Accepts]: Start accepts. Automaton has 401 states and 607 transitions. Word has length 40 [2022-02-20 16:07:33,928 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 16:07:33,928 INFO L470 AbstractCegarLoop]: Abstraction has 401 states and 607 transitions. [2022-02-20 16:07:33,928 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.444444444444445) internal successors, (85), 9 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:07:33,928 INFO L276 IsEmpty]: Start isEmpty. Operand 401 states and 607 transitions. [2022-02-20 16:07:33,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-02-20 16:07:33,929 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 16:07:33,929 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 16:07:33,970 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-02-20 16:07:34,148 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2022-02-20 16:07:34,148 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-20 16:07:34,152 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 16:07:34,152 INFO L85 PathProgramCache]: Analyzing trace with hash -1250552987, now seen corresponding path program 1 times [2022-02-20 16:07:34,152 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 16:07:34,153 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [476485071] [2022-02-20 16:07:34,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 16:07:34,153 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 16:07:34,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 16:07:34,204 INFO L290 TraceCheckUtils]: 0: Hoare triple {13367#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(16, 2);call #Ultimate.allocInit(12, 3);~m_Protocol~0 := 1;~m_msg_2~0 := 2;~m_recv_ack_2~0 := 3;~m_msg_1_1~0 := 4;~m_msg_1_2~0 := 5;~m_recv_ack_1_1~0 := 6;~m_recv_ack_1_2~0 := 7; {13367#true} is VALID [2022-02-20 16:07:34,204 INFO L290 TraceCheckUtils]: 1: Hoare triple {13367#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~nondet5#1, main_#t~nondet6#1, main_#t~nondet7#1, main_#t~nondet8#1, main_#t~nondet9#1, main_#t~nondet10#1, main_#t~nondet11#1, main_#t~nondet12#1, main_#t~nondet13#1, main_#t~nondet14#1, main_#t~nondet15#1, main_#t~nondet16#1, main_#t~nondet17#1, main_#t~nondet18#1, main_#t~nondet19#1, main_#t~nondet20#1, main_#t~nondet21#1, main_#t~nondet22#1, main_#t~nondet23#1, main_#t~nondet24#1, main_#t~nondet25#1, main_#t~nondet26#1, main_#t~nondet27#1, main_#t~nondet28#1, main_#t~nondet29#1, main_#t~nondet30#1, main_#t~nondet31#1, main_#t~nondet32#1, main_#t~nondet33#1, main_#t~nondet34#1, main_#t~nondet35#1, main_#t~nondet36#1, main_#t~nondet37#1, main_#t~nondet38#1, main_#t~nondet39#1, main_#t~nondet40#1, main_#t~nondet41#1, main_#t~nondet42#1, main_#t~nondet43#1, main_~P1~0#1, main_~P2~0#1, main_~P3~0#1, main_~P4~0#1, main_~P5~0#1, main_~P6~0#1, main_~P7~0#1, main_~P8~0#1, main_~P9~0#1, main_~q~0#1, main_~method_id~0#1, main_~this_expect~0#1, main_~this_buffer_empty~0#1;main_~q~0#1 := 0;havoc main_~method_id~0#1;main_~this_expect~0#1 := 0;main_~this_buffer_empty~0#1 := 0; {13367#true} is VALID [2022-02-20 16:07:34,204 INFO L290 TraceCheckUtils]: 2: Hoare triple {13367#true} goto; {13367#true} is VALID [2022-02-20 16:07:34,204 INFO L290 TraceCheckUtils]: 3: Hoare triple {13367#true} assume !false;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_~P1~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647;main_~P2~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647;main_~P3~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;assume -2147483648 <= main_#t~nondet7#1 && main_#t~nondet7#1 <= 2147483647;main_~P4~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;assume -2147483648 <= main_#t~nondet8#1 && main_#t~nondet8#1 <= 2147483647;main_~P5~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647;main_~P6~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1;assume -2147483648 <= main_#t~nondet10#1 && main_#t~nondet10#1 <= 2147483647;main_~P7~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;assume -2147483648 <= main_#t~nondet11#1 && main_#t~nondet11#1 <= 2147483647;main_~P8~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;assume -2147483648 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 2147483647;main_~P9~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; {13367#true} is VALID [2022-02-20 16:07:34,204 INFO L290 TraceCheckUtils]: 4: Hoare triple {13367#true} assume !(main_~this_expect~0#1 > 16); {13367#true} is VALID [2022-02-20 16:07:34,204 INFO L290 TraceCheckUtils]: 5: Hoare triple {13367#true} assume 0 == main_~q~0#1;assume -2147483648 <= main_#t~nondet13#1 && main_#t~nondet13#1 <= 2147483647; {13367#true} is VALID [2022-02-20 16:07:34,205 INFO L290 TraceCheckUtils]: 6: Hoare triple {13367#true} assume 0 != main_#t~nondet13#1;havoc main_#t~nondet13#1; {13367#true} is VALID [2022-02-20 16:07:34,205 INFO L290 TraceCheckUtils]: 7: Hoare triple {13367#true} main_~method_id~0#1 := 1; {13367#true} is VALID [2022-02-20 16:07:34,205 INFO L290 TraceCheckUtils]: 8: Hoare triple {13367#true} assume !false;main_~q~0#1 := 1;main_~this_expect~0#1 := 0;main_~this_buffer_empty~0#1 := 1; {13367#true} is VALID [2022-02-20 16:07:34,205 INFO L290 TraceCheckUtils]: 9: Hoare triple {13367#true} assume !false;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_~P1~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647;main_~P2~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647;main_~P3~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;assume -2147483648 <= main_#t~nondet7#1 && main_#t~nondet7#1 <= 2147483647;main_~P4~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;assume -2147483648 <= main_#t~nondet8#1 && main_#t~nondet8#1 <= 2147483647;main_~P5~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647;main_~P6~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1;assume -2147483648 <= main_#t~nondet10#1 && main_#t~nondet10#1 <= 2147483647;main_~P7~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;assume -2147483648 <= main_#t~nondet11#1 && main_#t~nondet11#1 <= 2147483647;main_~P8~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;assume -2147483648 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 2147483647;main_~P9~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; {13367#true} is VALID [2022-02-20 16:07:34,205 INFO L290 TraceCheckUtils]: 10: Hoare triple {13367#true} assume !(main_~this_expect~0#1 > 16); {13367#true} is VALID [2022-02-20 16:07:34,205 INFO L290 TraceCheckUtils]: 11: Hoare triple {13367#true} assume !(0 == main_~q~0#1); {13367#true} is VALID [2022-02-20 16:07:34,205 INFO L290 TraceCheckUtils]: 12: Hoare triple {13367#true} assume 1 == main_~q~0#1;assume -2147483648 <= main_#t~nondet14#1 && main_#t~nondet14#1 <= 2147483647; {13367#true} is VALID [2022-02-20 16:07:34,205 INFO L290 TraceCheckUtils]: 13: Hoare triple {13367#true} assume 0 != main_#t~nondet14#1;havoc main_#t~nondet14#1; {13367#true} is VALID [2022-02-20 16:07:34,205 INFO L290 TraceCheckUtils]: 14: Hoare triple {13367#true} assume !(0 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2));main_~method_id~0#1 := 2; {13367#true} is VALID [2022-02-20 16:07:34,206 INFO L290 TraceCheckUtils]: 15: Hoare triple {13367#true} assume !((((if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2) != (if main_~this_expect~0#1 < 0 && 0 != main_~this_expect~0#1 % 2 then main_~this_expect~0#1 % 2 - 2 else main_~this_expect~0#1 % 2) && 1 == main_~this_buffer_empty~0#1) && !(0 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2))) || (1 != main_~this_buffer_empty~0#1 && !(0 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2))));main_~q~0#1 := 3;main_~this_expect~0#1 := 1 + main_~this_expect~0#1;main_~this_buffer_empty~0#1 := 1 - main_~this_buffer_empty~0#1; {13367#true} is VALID [2022-02-20 16:07:34,206 INFO L290 TraceCheckUtils]: 16: Hoare triple {13367#true} assume !false;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_~P1~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647;main_~P2~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647;main_~P3~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;assume -2147483648 <= main_#t~nondet7#1 && main_#t~nondet7#1 <= 2147483647;main_~P4~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;assume -2147483648 <= main_#t~nondet8#1 && main_#t~nondet8#1 <= 2147483647;main_~P5~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647;main_~P6~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1;assume -2147483648 <= main_#t~nondet10#1 && main_#t~nondet10#1 <= 2147483647;main_~P7~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;assume -2147483648 <= main_#t~nondet11#1 && main_#t~nondet11#1 <= 2147483647;main_~P8~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;assume -2147483648 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 2147483647;main_~P9~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; {13367#true} is VALID [2022-02-20 16:07:34,206 INFO L290 TraceCheckUtils]: 17: Hoare triple {13367#true} assume !(main_~this_expect~0#1 > 16); {13367#true} is VALID [2022-02-20 16:07:34,206 INFO L290 TraceCheckUtils]: 18: Hoare triple {13367#true} assume !(0 == main_~q~0#1); {13367#true} is VALID [2022-02-20 16:07:34,206 INFO L290 TraceCheckUtils]: 19: Hoare triple {13367#true} assume !(1 == main_~q~0#1); {13367#true} is VALID [2022-02-20 16:07:34,206 INFO L290 TraceCheckUtils]: 20: Hoare triple {13367#true} assume !(2 == main_~q~0#1); {13367#true} is VALID [2022-02-20 16:07:34,206 INFO L290 TraceCheckUtils]: 21: Hoare triple {13367#true} assume 3 == main_~q~0#1;assume -2147483648 <= main_#t~nondet26#1 && main_#t~nondet26#1 <= 2147483647; {13367#true} is VALID [2022-02-20 16:07:34,206 INFO L290 TraceCheckUtils]: 22: Hoare triple {13367#true} assume !(0 != main_#t~nondet26#1);havoc main_#t~nondet26#1;assume -2147483648 <= main_#t~nondet27#1 && main_#t~nondet27#1 <= 2147483647; {13367#true} is VALID [2022-02-20 16:07:34,206 INFO L290 TraceCheckUtils]: 23: Hoare triple {13367#true} assume 0 != main_#t~nondet27#1;havoc main_#t~nondet27#1; {13367#true} is VALID [2022-02-20 16:07:34,206 INFO L290 TraceCheckUtils]: 24: Hoare triple {13367#true} assume !(0 != main_~P1~0#1);main_~method_id~0#1 := 3; {13367#true} is VALID [2022-02-20 16:07:34,207 INFO L290 TraceCheckUtils]: 25: Hoare triple {13367#true} assume !((1 == main_~this_buffer_empty~0#1 && !(0 != main_~P3~0#1)) || ((main_~P3~0#1 != (if main_~this_expect~0#1 - 1 < 0 && 0 != (main_~this_expect~0#1 - 1) % 2 then (main_~this_expect~0#1 - 1) % 2 - 2 else (main_~this_expect~0#1 - 1) % 2) && 1 != main_~this_buffer_empty~0#1) && !(0 != main_~P3~0#1)));main_~q~0#1 := 4;main_~this_expect~0#1 := main_~this_expect~0#1;main_~this_buffer_empty~0#1 := 1 - main_~this_buffer_empty~0#1; {13369#(= (+ |ULTIMATE.start_main_~q~0#1| (- 4)) 0)} is VALID [2022-02-20 16:07:34,208 INFO L290 TraceCheckUtils]: 26: Hoare triple {13369#(= (+ |ULTIMATE.start_main_~q~0#1| (- 4)) 0)} assume !false;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_~P1~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647;main_~P2~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647;main_~P3~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;assume -2147483648 <= main_#t~nondet7#1 && main_#t~nondet7#1 <= 2147483647;main_~P4~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;assume -2147483648 <= main_#t~nondet8#1 && main_#t~nondet8#1 <= 2147483647;main_~P5~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647;main_~P6~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1;assume -2147483648 <= main_#t~nondet10#1 && main_#t~nondet10#1 <= 2147483647;main_~P7~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;assume -2147483648 <= main_#t~nondet11#1 && main_#t~nondet11#1 <= 2147483647;main_~P8~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;assume -2147483648 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 2147483647;main_~P9~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; {13369#(= (+ |ULTIMATE.start_main_~q~0#1| (- 4)) 0)} is VALID [2022-02-20 16:07:34,208 INFO L290 TraceCheckUtils]: 27: Hoare triple {13369#(= (+ |ULTIMATE.start_main_~q~0#1| (- 4)) 0)} assume !(main_~this_expect~0#1 > 16); {13369#(= (+ |ULTIMATE.start_main_~q~0#1| (- 4)) 0)} is VALID [2022-02-20 16:07:34,208 INFO L290 TraceCheckUtils]: 28: Hoare triple {13369#(= (+ |ULTIMATE.start_main_~q~0#1| (- 4)) 0)} assume !(0 == main_~q~0#1); {13369#(= (+ |ULTIMATE.start_main_~q~0#1| (- 4)) 0)} is VALID [2022-02-20 16:07:34,208 INFO L290 TraceCheckUtils]: 29: Hoare triple {13369#(= (+ |ULTIMATE.start_main_~q~0#1| (- 4)) 0)} assume !(1 == main_~q~0#1); {13369#(= (+ |ULTIMATE.start_main_~q~0#1| (- 4)) 0)} is VALID [2022-02-20 16:07:34,209 INFO L290 TraceCheckUtils]: 30: Hoare triple {13369#(= (+ |ULTIMATE.start_main_~q~0#1| (- 4)) 0)} assume !(2 == main_~q~0#1); {13369#(= (+ |ULTIMATE.start_main_~q~0#1| (- 4)) 0)} is VALID [2022-02-20 16:07:34,209 INFO L290 TraceCheckUtils]: 31: Hoare triple {13369#(= (+ |ULTIMATE.start_main_~q~0#1| (- 4)) 0)} assume !(3 == main_~q~0#1); {13369#(= (+ |ULTIMATE.start_main_~q~0#1| (- 4)) 0)} is VALID [2022-02-20 16:07:34,209 INFO L290 TraceCheckUtils]: 32: Hoare triple {13369#(= (+ |ULTIMATE.start_main_~q~0#1| (- 4)) 0)} assume !(4 == main_~q~0#1); {13368#false} is VALID [2022-02-20 16:07:34,209 INFO L290 TraceCheckUtils]: 33: Hoare triple {13368#false} assume 5 == main_~q~0#1;assume -2147483648 <= main_#t~nondet38#1 && main_#t~nondet38#1 <= 2147483647; {13368#false} is VALID [2022-02-20 16:07:34,210 INFO L290 TraceCheckUtils]: 34: Hoare triple {13368#false} assume !(0 != main_#t~nondet38#1);havoc main_#t~nondet38#1;assume -2147483648 <= main_#t~nondet39#1 && main_#t~nondet39#1 <= 2147483647; {13368#false} is VALID [2022-02-20 16:07:34,210 INFO L290 TraceCheckUtils]: 35: Hoare triple {13368#false} assume !(0 != main_#t~nondet39#1);havoc main_#t~nondet39#1;assume -2147483648 <= main_#t~nondet40#1 && main_#t~nondet40#1 <= 2147483647; {13368#false} is VALID [2022-02-20 16:07:34,210 INFO L290 TraceCheckUtils]: 36: Hoare triple {13368#false} assume !(0 != main_#t~nondet40#1);havoc main_#t~nondet40#1;assume -2147483648 <= main_#t~nondet41#1 && main_#t~nondet41#1 <= 2147483647; {13368#false} is VALID [2022-02-20 16:07:34,210 INFO L290 TraceCheckUtils]: 37: Hoare triple {13368#false} assume 0 != main_#t~nondet41#1;havoc main_#t~nondet41#1; {13368#false} is VALID [2022-02-20 16:07:34,210 INFO L290 TraceCheckUtils]: 38: Hoare triple {13368#false} assume 0 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2) && !(1 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2) && 0 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2));main_~method_id~0#1 := 5; {13368#false} is VALID [2022-02-20 16:07:34,210 INFO L290 TraceCheckUtils]: 39: Hoare triple {13368#false} assume (((if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2) == (if main_~this_expect~0#1 < 0 && 0 != main_~this_expect~0#1 % 2 then main_~this_expect~0#1 % 2 - 2 else main_~this_expect~0#1 % 2) && 1 == main_~this_buffer_empty~0#1) && 0 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2)) && 0 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2) && !(1 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2) && 0 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2)); {13368#false} is VALID [2022-02-20 16:07:34,210 INFO L290 TraceCheckUtils]: 40: Hoare triple {13368#false} assume !false; {13368#false} is VALID [2022-02-20 16:07:34,210 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-02-20 16:07:34,211 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 16:07:34,211 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [476485071] [2022-02-20 16:07:34,211 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [476485071] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 16:07:34,211 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 16:07:34,211 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-02-20 16:07:34,211 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [420724905] [2022-02-20 16:07:34,211 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 16:07:34,212 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 41 [2022-02-20 16:07:34,212 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 16:07:34,212 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:07:34,246 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 36 edges. 36 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 16:07:34,246 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-20 16:07:34,246 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 16:07:34,246 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-20 16:07:34,246 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-20 16:07:34,247 INFO L87 Difference]: Start difference. First operand 401 states and 607 transitions. Second operand has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:07:34,377 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 16:07:34,391 INFO L93 Difference]: Finished difference Result 756 states and 1142 transitions. [2022-02-20 16:07:34,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-20 16:07:34,391 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 41 [2022-02-20 16:07:34,392 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 16:07:34,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:07:34,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 295 transitions. [2022-02-20 16:07:34,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:07:34,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 295 transitions. [2022-02-20 16:07:34,394 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 295 transitions. [2022-02-20 16:07:34,508 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 295 edges. 295 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 16:07:34,514 INFO L225 Difference]: With dead ends: 756 [2022-02-20 16:07:34,514 INFO L226 Difference]: Without dead ends: 400 [2022-02-20 16:07:34,515 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-20 16:07:34,515 INFO L933 BasicCegarLoop]: 147 mSDtfsCounter, 33 mSDsluCounter, 99 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 246 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-20 16:07:34,516 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [33 Valid, 246 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-20 16:07:34,516 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 400 states. [2022-02-20 16:07:34,571 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 400 to 398. [2022-02-20 16:07:34,571 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 16:07:34,574 INFO L82 GeneralOperation]: Start isEquivalent. First operand 400 states. Second operand has 398 states, 397 states have (on average 1.4836272040302267) internal successors, (589), 397 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:07:34,575 INFO L74 IsIncluded]: Start isIncluded. First operand 400 states. Second operand has 398 states, 397 states have (on average 1.4836272040302267) internal successors, (589), 397 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:07:34,576 INFO L87 Difference]: Start difference. First operand 400 states. Second operand has 398 states, 397 states have (on average 1.4836272040302267) internal successors, (589), 397 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:07:34,582 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 16:07:34,582 INFO L93 Difference]: Finished difference Result 400 states and 590 transitions. [2022-02-20 16:07:34,582 INFO L276 IsEmpty]: Start isEmpty. Operand 400 states and 590 transitions. [2022-02-20 16:07:34,582 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 16:07:34,582 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 16:07:34,583 INFO L74 IsIncluded]: Start isIncluded. First operand has 398 states, 397 states have (on average 1.4836272040302267) internal successors, (589), 397 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 400 states. [2022-02-20 16:07:34,583 INFO L87 Difference]: Start difference. First operand has 398 states, 397 states have (on average 1.4836272040302267) internal successors, (589), 397 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 400 states. [2022-02-20 16:07:34,589 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 16:07:34,589 INFO L93 Difference]: Finished difference Result 400 states and 590 transitions. [2022-02-20 16:07:34,589 INFO L276 IsEmpty]: Start isEmpty. Operand 400 states and 590 transitions. [2022-02-20 16:07:34,590 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 16:07:34,590 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 16:07:34,590 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 16:07:34,590 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 16:07:34,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 398 states, 397 states have (on average 1.4836272040302267) internal successors, (589), 397 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:07:34,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 398 states to 398 states and 589 transitions. [2022-02-20 16:07:34,596 INFO L78 Accepts]: Start accepts. Automaton has 398 states and 589 transitions. Word has length 41 [2022-02-20 16:07:34,597 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 16:07:34,597 INFO L470 AbstractCegarLoop]: Abstraction has 398 states and 589 transitions. [2022-02-20 16:07:34,597 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:07:34,597 INFO L276 IsEmpty]: Start isEmpty. Operand 398 states and 589 transitions. [2022-02-20 16:07:34,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-02-20 16:07:34,598 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 16:07:34,598 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 16:07:34,598 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-02-20 16:07:34,598 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-20 16:07:34,598 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 16:07:34,598 INFO L85 PathProgramCache]: Analyzing trace with hash -1798904348, now seen corresponding path program 1 times [2022-02-20 16:07:34,598 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 16:07:34,599 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [258756082] [2022-02-20 16:07:34,599 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 16:07:34,599 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 16:07:34,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 16:07:34,690 INFO L290 TraceCheckUtils]: 0: Hoare triple {15399#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(16, 2);call #Ultimate.allocInit(12, 3);~m_Protocol~0 := 1;~m_msg_2~0 := 2;~m_recv_ack_2~0 := 3;~m_msg_1_1~0 := 4;~m_msg_1_2~0 := 5;~m_recv_ack_1_1~0 := 6;~m_recv_ack_1_2~0 := 7; {15399#true} is VALID [2022-02-20 16:07:34,690 INFO L290 TraceCheckUtils]: 1: Hoare triple {15399#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~nondet5#1, main_#t~nondet6#1, main_#t~nondet7#1, main_#t~nondet8#1, main_#t~nondet9#1, main_#t~nondet10#1, main_#t~nondet11#1, main_#t~nondet12#1, main_#t~nondet13#1, main_#t~nondet14#1, main_#t~nondet15#1, main_#t~nondet16#1, main_#t~nondet17#1, main_#t~nondet18#1, main_#t~nondet19#1, main_#t~nondet20#1, main_#t~nondet21#1, main_#t~nondet22#1, main_#t~nondet23#1, main_#t~nondet24#1, main_#t~nondet25#1, main_#t~nondet26#1, main_#t~nondet27#1, main_#t~nondet28#1, main_#t~nondet29#1, main_#t~nondet30#1, main_#t~nondet31#1, main_#t~nondet32#1, main_#t~nondet33#1, main_#t~nondet34#1, main_#t~nondet35#1, main_#t~nondet36#1, main_#t~nondet37#1, main_#t~nondet38#1, main_#t~nondet39#1, main_#t~nondet40#1, main_#t~nondet41#1, main_#t~nondet42#1, main_#t~nondet43#1, main_~P1~0#1, main_~P2~0#1, main_~P3~0#1, main_~P4~0#1, main_~P5~0#1, main_~P6~0#1, main_~P7~0#1, main_~P8~0#1, main_~P9~0#1, main_~q~0#1, main_~method_id~0#1, main_~this_expect~0#1, main_~this_buffer_empty~0#1;main_~q~0#1 := 0;havoc main_~method_id~0#1;main_~this_expect~0#1 := 0;main_~this_buffer_empty~0#1 := 0; {15399#true} is VALID [2022-02-20 16:07:34,690 INFO L290 TraceCheckUtils]: 2: Hoare triple {15399#true} goto; {15399#true} is VALID [2022-02-20 16:07:34,690 INFO L290 TraceCheckUtils]: 3: Hoare triple {15399#true} assume !false;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_~P1~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647;main_~P2~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647;main_~P3~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;assume -2147483648 <= main_#t~nondet7#1 && main_#t~nondet7#1 <= 2147483647;main_~P4~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;assume -2147483648 <= main_#t~nondet8#1 && main_#t~nondet8#1 <= 2147483647;main_~P5~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647;main_~P6~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1;assume -2147483648 <= main_#t~nondet10#1 && main_#t~nondet10#1 <= 2147483647;main_~P7~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;assume -2147483648 <= main_#t~nondet11#1 && main_#t~nondet11#1 <= 2147483647;main_~P8~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;assume -2147483648 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 2147483647;main_~P9~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; {15399#true} is VALID [2022-02-20 16:07:34,691 INFO L290 TraceCheckUtils]: 4: Hoare triple {15399#true} assume !(main_~this_expect~0#1 > 16); {15399#true} is VALID [2022-02-20 16:07:34,691 INFO L290 TraceCheckUtils]: 5: Hoare triple {15399#true} assume 0 == main_~q~0#1;assume -2147483648 <= main_#t~nondet13#1 && main_#t~nondet13#1 <= 2147483647; {15399#true} is VALID [2022-02-20 16:07:34,691 INFO L290 TraceCheckUtils]: 6: Hoare triple {15399#true} assume 0 != main_#t~nondet13#1;havoc main_#t~nondet13#1; {15399#true} is VALID [2022-02-20 16:07:34,691 INFO L290 TraceCheckUtils]: 7: Hoare triple {15399#true} main_~method_id~0#1 := 1; {15399#true} is VALID [2022-02-20 16:07:34,691 INFO L290 TraceCheckUtils]: 8: Hoare triple {15399#true} assume !false;main_~q~0#1 := 1;main_~this_expect~0#1 := 0;main_~this_buffer_empty~0#1 := 1; {15399#true} is VALID [2022-02-20 16:07:34,691 INFO L290 TraceCheckUtils]: 9: Hoare triple {15399#true} assume !false;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_~P1~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647;main_~P2~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647;main_~P3~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;assume -2147483648 <= main_#t~nondet7#1 && main_#t~nondet7#1 <= 2147483647;main_~P4~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;assume -2147483648 <= main_#t~nondet8#1 && main_#t~nondet8#1 <= 2147483647;main_~P5~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647;main_~P6~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1;assume -2147483648 <= main_#t~nondet10#1 && main_#t~nondet10#1 <= 2147483647;main_~P7~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;assume -2147483648 <= main_#t~nondet11#1 && main_#t~nondet11#1 <= 2147483647;main_~P8~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;assume -2147483648 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 2147483647;main_~P9~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; {15399#true} is VALID [2022-02-20 16:07:34,691 INFO L290 TraceCheckUtils]: 10: Hoare triple {15399#true} assume !(main_~this_expect~0#1 > 16); {15399#true} is VALID [2022-02-20 16:07:34,691 INFO L290 TraceCheckUtils]: 11: Hoare triple {15399#true} assume !(0 == main_~q~0#1); {15399#true} is VALID [2022-02-20 16:07:34,691 INFO L290 TraceCheckUtils]: 12: Hoare triple {15399#true} assume 1 == main_~q~0#1;assume -2147483648 <= main_#t~nondet14#1 && main_#t~nondet14#1 <= 2147483647; {15399#true} is VALID [2022-02-20 16:07:34,691 INFO L290 TraceCheckUtils]: 13: Hoare triple {15399#true} assume 0 != main_#t~nondet14#1;havoc main_#t~nondet14#1; {15399#true} is VALID [2022-02-20 16:07:34,691 INFO L290 TraceCheckUtils]: 14: Hoare triple {15399#true} assume !(0 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2));main_~method_id~0#1 := 2; {15399#true} is VALID [2022-02-20 16:07:34,691 INFO L290 TraceCheckUtils]: 15: Hoare triple {15399#true} assume !((((if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2) != (if main_~this_expect~0#1 < 0 && 0 != main_~this_expect~0#1 % 2 then main_~this_expect~0#1 % 2 - 2 else main_~this_expect~0#1 % 2) && 1 == main_~this_buffer_empty~0#1) && !(0 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2))) || (1 != main_~this_buffer_empty~0#1 && !(0 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2))));main_~q~0#1 := 3;main_~this_expect~0#1 := 1 + main_~this_expect~0#1;main_~this_buffer_empty~0#1 := 1 - main_~this_buffer_empty~0#1; {15399#true} is VALID [2022-02-20 16:07:34,691 INFO L290 TraceCheckUtils]: 16: Hoare triple {15399#true} assume !false;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_~P1~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647;main_~P2~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647;main_~P3~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;assume -2147483648 <= main_#t~nondet7#1 && main_#t~nondet7#1 <= 2147483647;main_~P4~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;assume -2147483648 <= main_#t~nondet8#1 && main_#t~nondet8#1 <= 2147483647;main_~P5~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647;main_~P6~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1;assume -2147483648 <= main_#t~nondet10#1 && main_#t~nondet10#1 <= 2147483647;main_~P7~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;assume -2147483648 <= main_#t~nondet11#1 && main_#t~nondet11#1 <= 2147483647;main_~P8~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;assume -2147483648 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 2147483647;main_~P9~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; {15399#true} is VALID [2022-02-20 16:07:34,691 INFO L290 TraceCheckUtils]: 17: Hoare triple {15399#true} assume !(main_~this_expect~0#1 > 16); {15399#true} is VALID [2022-02-20 16:07:34,691 INFO L290 TraceCheckUtils]: 18: Hoare triple {15399#true} assume !(0 == main_~q~0#1); {15399#true} is VALID [2022-02-20 16:07:34,691 INFO L290 TraceCheckUtils]: 19: Hoare triple {15399#true} assume !(1 == main_~q~0#1); {15399#true} is VALID [2022-02-20 16:07:34,691 INFO L290 TraceCheckUtils]: 20: Hoare triple {15399#true} assume !(2 == main_~q~0#1); {15399#true} is VALID [2022-02-20 16:07:34,691 INFO L290 TraceCheckUtils]: 21: Hoare triple {15399#true} assume 3 == main_~q~0#1;assume -2147483648 <= main_#t~nondet26#1 && main_#t~nondet26#1 <= 2147483647; {15399#true} is VALID [2022-02-20 16:07:34,691 INFO L290 TraceCheckUtils]: 22: Hoare triple {15399#true} assume !(0 != main_#t~nondet26#1);havoc main_#t~nondet26#1;assume -2147483648 <= main_#t~nondet27#1 && main_#t~nondet27#1 <= 2147483647; {15399#true} is VALID [2022-02-20 16:07:34,691 INFO L290 TraceCheckUtils]: 23: Hoare triple {15399#true} assume 0 != main_#t~nondet27#1;havoc main_#t~nondet27#1; {15399#true} is VALID [2022-02-20 16:07:34,691 INFO L290 TraceCheckUtils]: 24: Hoare triple {15399#true} assume !(0 != main_~P1~0#1);main_~method_id~0#1 := 3; {15399#true} is VALID [2022-02-20 16:07:34,691 INFO L290 TraceCheckUtils]: 25: Hoare triple {15399#true} assume !((1 == main_~this_buffer_empty~0#1 && !(0 != main_~P3~0#1)) || ((main_~P3~0#1 != (if main_~this_expect~0#1 - 1 < 0 && 0 != (main_~this_expect~0#1 - 1) % 2 then (main_~this_expect~0#1 - 1) % 2 - 2 else (main_~this_expect~0#1 - 1) % 2) && 1 != main_~this_buffer_empty~0#1) && !(0 != main_~P3~0#1)));main_~q~0#1 := 4;main_~this_expect~0#1 := main_~this_expect~0#1;main_~this_buffer_empty~0#1 := 1 - main_~this_buffer_empty~0#1; {15399#true} is VALID [2022-02-20 16:07:34,692 INFO L290 TraceCheckUtils]: 26: Hoare triple {15399#true} assume !false;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_~P1~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647;main_~P2~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647;main_~P3~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;assume -2147483648 <= main_#t~nondet7#1 && main_#t~nondet7#1 <= 2147483647;main_~P4~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;assume -2147483648 <= main_#t~nondet8#1 && main_#t~nondet8#1 <= 2147483647;main_~P5~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647;main_~P6~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1;assume -2147483648 <= main_#t~nondet10#1 && main_#t~nondet10#1 <= 2147483647;main_~P7~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;assume -2147483648 <= main_#t~nondet11#1 && main_#t~nondet11#1 <= 2147483647;main_~P8~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;assume -2147483648 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 2147483647;main_~P9~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; {15399#true} is VALID [2022-02-20 16:07:34,692 INFO L290 TraceCheckUtils]: 27: Hoare triple {15399#true} assume !(main_~this_expect~0#1 > 16); {15399#true} is VALID [2022-02-20 16:07:34,692 INFO L290 TraceCheckUtils]: 28: Hoare triple {15399#true} assume !(0 == main_~q~0#1); {15399#true} is VALID [2022-02-20 16:07:34,692 INFO L290 TraceCheckUtils]: 29: Hoare triple {15399#true} assume !(1 == main_~q~0#1); {15399#true} is VALID [2022-02-20 16:07:34,692 INFO L290 TraceCheckUtils]: 30: Hoare triple {15399#true} assume !(2 == main_~q~0#1); {15399#true} is VALID [2022-02-20 16:07:34,692 INFO L290 TraceCheckUtils]: 31: Hoare triple {15399#true} assume !(3 == main_~q~0#1); {15399#true} is VALID [2022-02-20 16:07:34,692 INFO L290 TraceCheckUtils]: 32: Hoare triple {15399#true} assume 4 == main_~q~0#1;assume -2147483648 <= main_#t~nondet32#1 && main_#t~nondet32#1 <= 2147483647; {15399#true} is VALID [2022-02-20 16:07:34,692 INFO L290 TraceCheckUtils]: 33: Hoare triple {15399#true} assume !(0 != main_#t~nondet32#1);havoc main_#t~nondet32#1;assume -2147483648 <= main_#t~nondet33#1 && main_#t~nondet33#1 <= 2147483647; {15399#true} is VALID [2022-02-20 16:07:34,692 INFO L290 TraceCheckUtils]: 34: Hoare triple {15399#true} assume !(0 != main_#t~nondet33#1);havoc main_#t~nondet33#1;assume -2147483648 <= main_#t~nondet34#1 && main_#t~nondet34#1 <= 2147483647; {15399#true} is VALID [2022-02-20 16:07:34,692 INFO L290 TraceCheckUtils]: 35: Hoare triple {15399#true} assume !(0 != main_#t~nondet34#1);havoc main_#t~nondet34#1;assume -2147483648 <= main_#t~nondet35#1 && main_#t~nondet35#1 <= 2147483647; {15399#true} is VALID [2022-02-20 16:07:34,692 INFO L290 TraceCheckUtils]: 36: Hoare triple {15399#true} assume 0 != main_#t~nondet35#1;havoc main_#t~nondet35#1; {15399#true} is VALID [2022-02-20 16:07:34,692 INFO L290 TraceCheckUtils]: 37: Hoare triple {15399#true} assume 0 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2) && !(1 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2) && 0 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2));main_~method_id~0#1 := 5; {15399#true} is VALID [2022-02-20 16:07:34,693 INFO L290 TraceCheckUtils]: 38: Hoare triple {15399#true} assume !(((((if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2) != (if main_~this_expect~0#1 < 0 && 0 != main_~this_expect~0#1 % 2 then main_~this_expect~0#1 % 2 - 2 else main_~this_expect~0#1 % 2) && 1 == main_~this_buffer_empty~0#1) && 0 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2)) && 0 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2) && !(1 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2) && 0 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2))) || ((1 != main_~this_buffer_empty~0#1 && 0 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2)) && 0 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2) && !(1 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2) && 0 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2))));main_~q~0#1 := 5;main_~this_expect~0#1 := 1 + main_~this_expect~0#1;main_~this_buffer_empty~0#1 := 1 - main_~this_buffer_empty~0#1; {15401#(<= 5 |ULTIMATE.start_main_~q~0#1|)} is VALID [2022-02-20 16:07:34,693 INFO L290 TraceCheckUtils]: 39: Hoare triple {15401#(<= 5 |ULTIMATE.start_main_~q~0#1|)} assume !false;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_~P1~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647;main_~P2~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647;main_~P3~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;assume -2147483648 <= main_#t~nondet7#1 && main_#t~nondet7#1 <= 2147483647;main_~P4~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;assume -2147483648 <= main_#t~nondet8#1 && main_#t~nondet8#1 <= 2147483647;main_~P5~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647;main_~P6~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1;assume -2147483648 <= main_#t~nondet10#1 && main_#t~nondet10#1 <= 2147483647;main_~P7~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;assume -2147483648 <= main_#t~nondet11#1 && main_#t~nondet11#1 <= 2147483647;main_~P8~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;assume -2147483648 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 2147483647;main_~P9~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; {15401#(<= 5 |ULTIMATE.start_main_~q~0#1|)} is VALID [2022-02-20 16:07:34,693 INFO L290 TraceCheckUtils]: 40: Hoare triple {15401#(<= 5 |ULTIMATE.start_main_~q~0#1|)} assume !(main_~this_expect~0#1 > 16); {15401#(<= 5 |ULTIMATE.start_main_~q~0#1|)} is VALID [2022-02-20 16:07:34,693 INFO L290 TraceCheckUtils]: 41: Hoare triple {15401#(<= 5 |ULTIMATE.start_main_~q~0#1|)} assume !(0 == main_~q~0#1); {15401#(<= 5 |ULTIMATE.start_main_~q~0#1|)} is VALID [2022-02-20 16:07:34,693 INFO L290 TraceCheckUtils]: 42: Hoare triple {15401#(<= 5 |ULTIMATE.start_main_~q~0#1|)} assume !(1 == main_~q~0#1); {15401#(<= 5 |ULTIMATE.start_main_~q~0#1|)} is VALID [2022-02-20 16:07:34,694 INFO L290 TraceCheckUtils]: 43: Hoare triple {15401#(<= 5 |ULTIMATE.start_main_~q~0#1|)} assume !(2 == main_~q~0#1); {15401#(<= 5 |ULTIMATE.start_main_~q~0#1|)} is VALID [2022-02-20 16:07:34,694 INFO L290 TraceCheckUtils]: 44: Hoare triple {15401#(<= 5 |ULTIMATE.start_main_~q~0#1|)} assume !(3 == main_~q~0#1); {15401#(<= 5 |ULTIMATE.start_main_~q~0#1|)} is VALID [2022-02-20 16:07:34,694 INFO L290 TraceCheckUtils]: 45: Hoare triple {15401#(<= 5 |ULTIMATE.start_main_~q~0#1|)} assume 4 == main_~q~0#1;assume -2147483648 <= main_#t~nondet32#1 && main_#t~nondet32#1 <= 2147483647; {15400#false} is VALID [2022-02-20 16:07:34,694 INFO L290 TraceCheckUtils]: 46: Hoare triple {15400#false} assume !(0 != main_#t~nondet32#1);havoc main_#t~nondet32#1;assume -2147483648 <= main_#t~nondet33#1 && main_#t~nondet33#1 <= 2147483647; {15400#false} is VALID [2022-02-20 16:07:34,694 INFO L290 TraceCheckUtils]: 47: Hoare triple {15400#false} assume !(0 != main_#t~nondet33#1);havoc main_#t~nondet33#1;assume -2147483648 <= main_#t~nondet34#1 && main_#t~nondet34#1 <= 2147483647; {15400#false} is VALID [2022-02-20 16:07:34,694 INFO L290 TraceCheckUtils]: 48: Hoare triple {15400#false} assume !(0 != main_#t~nondet34#1);havoc main_#t~nondet34#1;assume -2147483648 <= main_#t~nondet35#1 && main_#t~nondet35#1 <= 2147483647; {15400#false} is VALID [2022-02-20 16:07:34,694 INFO L290 TraceCheckUtils]: 49: Hoare triple {15400#false} assume 0 != main_#t~nondet35#1;havoc main_#t~nondet35#1; {15400#false} is VALID [2022-02-20 16:07:34,694 INFO L290 TraceCheckUtils]: 50: Hoare triple {15400#false} assume 0 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2) && !(1 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2) && 0 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2));main_~method_id~0#1 := 5; {15400#false} is VALID [2022-02-20 16:07:34,694 INFO L290 TraceCheckUtils]: 51: Hoare triple {15400#false} assume ((((if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2) != (if main_~this_expect~0#1 < 0 && 0 != main_~this_expect~0#1 % 2 then main_~this_expect~0#1 % 2 - 2 else main_~this_expect~0#1 % 2) && 1 == main_~this_buffer_empty~0#1) && 0 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2)) && 0 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2) && !(1 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2) && 0 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2))) || ((1 != main_~this_buffer_empty~0#1 && 0 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2)) && 0 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2) && !(1 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2) && 0 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2))); {15400#false} is VALID [2022-02-20 16:07:34,694 INFO L290 TraceCheckUtils]: 52: Hoare triple {15400#false} assume !false; {15400#false} is VALID [2022-02-20 16:07:34,695 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2022-02-20 16:07:34,695 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 16:07:34,695 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [258756082] [2022-02-20 16:07:34,695 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [258756082] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 16:07:34,695 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 16:07:34,695 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-02-20 16:07:34,695 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1271453389] [2022-02-20 16:07:34,695 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 16:07:34,695 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 53 [2022-02-20 16:07:34,695 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 16:07:34,695 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:07:34,717 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 43 edges. 43 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 16:07:34,717 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-20 16:07:34,717 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 16:07:34,717 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-20 16:07:34,717 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-20 16:07:34,717 INFO L87 Difference]: Start difference. First operand 398 states and 589 transitions. Second operand has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:07:34,819 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 16:07:34,819 INFO L93 Difference]: Finished difference Result 566 states and 838 transitions. [2022-02-20 16:07:34,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-20 16:07:34,819 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 53 [2022-02-20 16:07:34,819 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 16:07:34,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:07:34,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 271 transitions. [2022-02-20 16:07:34,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:07:34,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 271 transitions. [2022-02-20 16:07:34,821 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 271 transitions. [2022-02-20 16:07:34,935 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 271 edges. 271 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 16:07:34,938 INFO L225 Difference]: With dead ends: 566 [2022-02-20 16:07:34,938 INFO L226 Difference]: Without dead ends: 233 [2022-02-20 16:07:34,938 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-20 16:07:34,939 INFO L933 BasicCegarLoop]: 122 mSDtfsCounter, 30 mSDsluCounter, 81 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 203 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-20 16:07:34,939 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [30 Valid, 203 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-20 16:07:34,940 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 233 states. [2022-02-20 16:07:34,971 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 233 to 231. [2022-02-20 16:07:34,971 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 16:07:34,971 INFO L82 GeneralOperation]: Start isEquivalent. First operand 233 states. Second operand has 231 states, 230 states have (on average 1.4478260869565218) internal successors, (333), 230 states have internal predecessors, (333), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:07:34,972 INFO L74 IsIncluded]: Start isIncluded. First operand 233 states. Second operand has 231 states, 230 states have (on average 1.4478260869565218) internal successors, (333), 230 states have internal predecessors, (333), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:07:34,972 INFO L87 Difference]: Start difference. First operand 233 states. Second operand has 231 states, 230 states have (on average 1.4478260869565218) internal successors, (333), 230 states have internal predecessors, (333), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:07:34,974 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 16:07:34,974 INFO L93 Difference]: Finished difference Result 233 states and 334 transitions. [2022-02-20 16:07:34,975 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 334 transitions. [2022-02-20 16:07:34,975 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 16:07:34,975 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 16:07:34,975 INFO L74 IsIncluded]: Start isIncluded. First operand has 231 states, 230 states have (on average 1.4478260869565218) internal successors, (333), 230 states have internal predecessors, (333), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 233 states. [2022-02-20 16:07:34,975 INFO L87 Difference]: Start difference. First operand has 231 states, 230 states have (on average 1.4478260869565218) internal successors, (333), 230 states have internal predecessors, (333), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 233 states. [2022-02-20 16:07:34,978 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 16:07:34,978 INFO L93 Difference]: Finished difference Result 233 states and 334 transitions. [2022-02-20 16:07:34,978 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 334 transitions. [2022-02-20 16:07:34,978 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 16:07:34,978 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 16:07:34,978 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 16:07:34,978 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 16:07:34,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 231 states, 230 states have (on average 1.4478260869565218) internal successors, (333), 230 states have internal predecessors, (333), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:07:34,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 231 states and 333 transitions. [2022-02-20 16:07:34,981 INFO L78 Accepts]: Start accepts. Automaton has 231 states and 333 transitions. Word has length 53 [2022-02-20 16:07:34,981 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 16:07:34,981 INFO L470 AbstractCegarLoop]: Abstraction has 231 states and 333 transitions. [2022-02-20 16:07:34,982 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:07:34,982 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 333 transitions. [2022-02-20 16:07:34,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-02-20 16:07:34,982 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 16:07:34,982 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 4, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 16:07:34,982 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-02-20 16:07:34,982 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-20 16:07:34,983 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 16:07:34,983 INFO L85 PathProgramCache]: Analyzing trace with hash 1723595032, now seen corresponding path program 1 times [2022-02-20 16:07:34,983 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 16:07:34,983 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [52087422] [2022-02-20 16:07:34,983 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 16:07:34,983 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 16:07:35,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 16:07:35,070 INFO L290 TraceCheckUtils]: 0: Hoare triple {16721#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(16, 2);call #Ultimate.allocInit(12, 3);~m_Protocol~0 := 1;~m_msg_2~0 := 2;~m_recv_ack_2~0 := 3;~m_msg_1_1~0 := 4;~m_msg_1_2~0 := 5;~m_recv_ack_1_1~0 := 6;~m_recv_ack_1_2~0 := 7; {16721#true} is VALID [2022-02-20 16:07:35,070 INFO L290 TraceCheckUtils]: 1: Hoare triple {16721#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~nondet5#1, main_#t~nondet6#1, main_#t~nondet7#1, main_#t~nondet8#1, main_#t~nondet9#1, main_#t~nondet10#1, main_#t~nondet11#1, main_#t~nondet12#1, main_#t~nondet13#1, main_#t~nondet14#1, main_#t~nondet15#1, main_#t~nondet16#1, main_#t~nondet17#1, main_#t~nondet18#1, main_#t~nondet19#1, main_#t~nondet20#1, main_#t~nondet21#1, main_#t~nondet22#1, main_#t~nondet23#1, main_#t~nondet24#1, main_#t~nondet25#1, main_#t~nondet26#1, main_#t~nondet27#1, main_#t~nondet28#1, main_#t~nondet29#1, main_#t~nondet30#1, main_#t~nondet31#1, main_#t~nondet32#1, main_#t~nondet33#1, main_#t~nondet34#1, main_#t~nondet35#1, main_#t~nondet36#1, main_#t~nondet37#1, main_#t~nondet38#1, main_#t~nondet39#1, main_#t~nondet40#1, main_#t~nondet41#1, main_#t~nondet42#1, main_#t~nondet43#1, main_~P1~0#1, main_~P2~0#1, main_~P3~0#1, main_~P4~0#1, main_~P5~0#1, main_~P6~0#1, main_~P7~0#1, main_~P8~0#1, main_~P9~0#1, main_~q~0#1, main_~method_id~0#1, main_~this_expect~0#1, main_~this_buffer_empty~0#1;main_~q~0#1 := 0;havoc main_~method_id~0#1;main_~this_expect~0#1 := 0;main_~this_buffer_empty~0#1 := 0; {16721#true} is VALID [2022-02-20 16:07:35,070 INFO L290 TraceCheckUtils]: 2: Hoare triple {16721#true} goto; {16721#true} is VALID [2022-02-20 16:07:35,070 INFO L290 TraceCheckUtils]: 3: Hoare triple {16721#true} assume !false;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_~P1~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647;main_~P2~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647;main_~P3~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;assume -2147483648 <= main_#t~nondet7#1 && main_#t~nondet7#1 <= 2147483647;main_~P4~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;assume -2147483648 <= main_#t~nondet8#1 && main_#t~nondet8#1 <= 2147483647;main_~P5~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647;main_~P6~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1;assume -2147483648 <= main_#t~nondet10#1 && main_#t~nondet10#1 <= 2147483647;main_~P7~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;assume -2147483648 <= main_#t~nondet11#1 && main_#t~nondet11#1 <= 2147483647;main_~P8~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;assume -2147483648 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 2147483647;main_~P9~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; {16721#true} is VALID [2022-02-20 16:07:35,070 INFO L290 TraceCheckUtils]: 4: Hoare triple {16721#true} assume !(main_~this_expect~0#1 > 16); {16721#true} is VALID [2022-02-20 16:07:35,071 INFO L290 TraceCheckUtils]: 5: Hoare triple {16721#true} assume 0 == main_~q~0#1;assume -2147483648 <= main_#t~nondet13#1 && main_#t~nondet13#1 <= 2147483647; {16721#true} is VALID [2022-02-20 16:07:35,071 INFO L290 TraceCheckUtils]: 6: Hoare triple {16721#true} assume 0 != main_#t~nondet13#1;havoc main_#t~nondet13#1; {16721#true} is VALID [2022-02-20 16:07:35,071 INFO L290 TraceCheckUtils]: 7: Hoare triple {16721#true} main_~method_id~0#1 := 1; {16721#true} is VALID [2022-02-20 16:07:35,071 INFO L290 TraceCheckUtils]: 8: Hoare triple {16721#true} assume !false;main_~q~0#1 := 1;main_~this_expect~0#1 := 0;main_~this_buffer_empty~0#1 := 1; {16723#(= |ULTIMATE.start_main_~this_expect~0#1| 0)} is VALID [2022-02-20 16:07:35,071 INFO L290 TraceCheckUtils]: 9: Hoare triple {16723#(= |ULTIMATE.start_main_~this_expect~0#1| 0)} assume !false;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_~P1~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647;main_~P2~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647;main_~P3~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;assume -2147483648 <= main_#t~nondet7#1 && main_#t~nondet7#1 <= 2147483647;main_~P4~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;assume -2147483648 <= main_#t~nondet8#1 && main_#t~nondet8#1 <= 2147483647;main_~P5~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647;main_~P6~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1;assume -2147483648 <= main_#t~nondet10#1 && main_#t~nondet10#1 <= 2147483647;main_~P7~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;assume -2147483648 <= main_#t~nondet11#1 && main_#t~nondet11#1 <= 2147483647;main_~P8~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;assume -2147483648 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 2147483647;main_~P9~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; {16723#(= |ULTIMATE.start_main_~this_expect~0#1| 0)} is VALID [2022-02-20 16:07:35,072 INFO L290 TraceCheckUtils]: 10: Hoare triple {16723#(= |ULTIMATE.start_main_~this_expect~0#1| 0)} assume !(main_~this_expect~0#1 > 16); {16723#(= |ULTIMATE.start_main_~this_expect~0#1| 0)} is VALID [2022-02-20 16:07:35,072 INFO L290 TraceCheckUtils]: 11: Hoare triple {16723#(= |ULTIMATE.start_main_~this_expect~0#1| 0)} assume !(0 == main_~q~0#1); {16723#(= |ULTIMATE.start_main_~this_expect~0#1| 0)} is VALID [2022-02-20 16:07:35,072 INFO L290 TraceCheckUtils]: 12: Hoare triple {16723#(= |ULTIMATE.start_main_~this_expect~0#1| 0)} assume 1 == main_~q~0#1;assume -2147483648 <= main_#t~nondet14#1 && main_#t~nondet14#1 <= 2147483647; {16723#(= |ULTIMATE.start_main_~this_expect~0#1| 0)} is VALID [2022-02-20 16:07:35,072 INFO L290 TraceCheckUtils]: 13: Hoare triple {16723#(= |ULTIMATE.start_main_~this_expect~0#1| 0)} assume 0 != main_#t~nondet14#1;havoc main_#t~nondet14#1; {16723#(= |ULTIMATE.start_main_~this_expect~0#1| 0)} is VALID [2022-02-20 16:07:35,073 INFO L290 TraceCheckUtils]: 14: Hoare triple {16723#(= |ULTIMATE.start_main_~this_expect~0#1| 0)} assume !(0 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2));main_~method_id~0#1 := 2; {16723#(= |ULTIMATE.start_main_~this_expect~0#1| 0)} is VALID [2022-02-20 16:07:35,073 INFO L290 TraceCheckUtils]: 15: Hoare triple {16723#(= |ULTIMATE.start_main_~this_expect~0#1| 0)} assume !((((if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2) != (if main_~this_expect~0#1 < 0 && 0 != main_~this_expect~0#1 % 2 then main_~this_expect~0#1 % 2 - 2 else main_~this_expect~0#1 % 2) && 1 == main_~this_buffer_empty~0#1) && !(0 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2))) || (1 != main_~this_buffer_empty~0#1 && !(0 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2))));main_~q~0#1 := 3;main_~this_expect~0#1 := 1 + main_~this_expect~0#1;main_~this_buffer_empty~0#1 := 1 - main_~this_buffer_empty~0#1; {16724#(<= 1 |ULTIMATE.start_main_~this_expect~0#1|)} is VALID [2022-02-20 16:07:35,073 INFO L290 TraceCheckUtils]: 16: Hoare triple {16724#(<= 1 |ULTIMATE.start_main_~this_expect~0#1|)} assume !false;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_~P1~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647;main_~P2~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647;main_~P3~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;assume -2147483648 <= main_#t~nondet7#1 && main_#t~nondet7#1 <= 2147483647;main_~P4~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;assume -2147483648 <= main_#t~nondet8#1 && main_#t~nondet8#1 <= 2147483647;main_~P5~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647;main_~P6~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1;assume -2147483648 <= main_#t~nondet10#1 && main_#t~nondet10#1 <= 2147483647;main_~P7~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;assume -2147483648 <= main_#t~nondet11#1 && main_#t~nondet11#1 <= 2147483647;main_~P8~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;assume -2147483648 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 2147483647;main_~P9~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; {16724#(<= 1 |ULTIMATE.start_main_~this_expect~0#1|)} is VALID [2022-02-20 16:07:35,074 INFO L290 TraceCheckUtils]: 17: Hoare triple {16724#(<= 1 |ULTIMATE.start_main_~this_expect~0#1|)} assume !(main_~this_expect~0#1 > 16); {16724#(<= 1 |ULTIMATE.start_main_~this_expect~0#1|)} is VALID [2022-02-20 16:07:35,074 INFO L290 TraceCheckUtils]: 18: Hoare triple {16724#(<= 1 |ULTIMATE.start_main_~this_expect~0#1|)} assume !(0 == main_~q~0#1); {16724#(<= 1 |ULTIMATE.start_main_~this_expect~0#1|)} is VALID [2022-02-20 16:07:35,074 INFO L290 TraceCheckUtils]: 19: Hoare triple {16724#(<= 1 |ULTIMATE.start_main_~this_expect~0#1|)} assume !(1 == main_~q~0#1); {16724#(<= 1 |ULTIMATE.start_main_~this_expect~0#1|)} is VALID [2022-02-20 16:07:35,074 INFO L290 TraceCheckUtils]: 20: Hoare triple {16724#(<= 1 |ULTIMATE.start_main_~this_expect~0#1|)} assume !(2 == main_~q~0#1); {16724#(<= 1 |ULTIMATE.start_main_~this_expect~0#1|)} is VALID [2022-02-20 16:07:35,075 INFO L290 TraceCheckUtils]: 21: Hoare triple {16724#(<= 1 |ULTIMATE.start_main_~this_expect~0#1|)} assume 3 == main_~q~0#1;assume -2147483648 <= main_#t~nondet26#1 && main_#t~nondet26#1 <= 2147483647; {16724#(<= 1 |ULTIMATE.start_main_~this_expect~0#1|)} is VALID [2022-02-20 16:07:35,075 INFO L290 TraceCheckUtils]: 22: Hoare triple {16724#(<= 1 |ULTIMATE.start_main_~this_expect~0#1|)} assume !(0 != main_#t~nondet26#1);havoc main_#t~nondet26#1;assume -2147483648 <= main_#t~nondet27#1 && main_#t~nondet27#1 <= 2147483647; {16724#(<= 1 |ULTIMATE.start_main_~this_expect~0#1|)} is VALID [2022-02-20 16:07:35,075 INFO L290 TraceCheckUtils]: 23: Hoare triple {16724#(<= 1 |ULTIMATE.start_main_~this_expect~0#1|)} assume 0 != main_#t~nondet27#1;havoc main_#t~nondet27#1; {16724#(<= 1 |ULTIMATE.start_main_~this_expect~0#1|)} is VALID [2022-02-20 16:07:35,075 INFO L290 TraceCheckUtils]: 24: Hoare triple {16724#(<= 1 |ULTIMATE.start_main_~this_expect~0#1|)} assume !(0 != main_~P1~0#1);main_~method_id~0#1 := 3; {16724#(<= 1 |ULTIMATE.start_main_~this_expect~0#1|)} is VALID [2022-02-20 16:07:35,076 INFO L290 TraceCheckUtils]: 25: Hoare triple {16724#(<= 1 |ULTIMATE.start_main_~this_expect~0#1|)} assume !((1 == main_~this_buffer_empty~0#1 && !(0 != main_~P3~0#1)) || ((main_~P3~0#1 != (if main_~this_expect~0#1 - 1 < 0 && 0 != (main_~this_expect~0#1 - 1) % 2 then (main_~this_expect~0#1 - 1) % 2 - 2 else (main_~this_expect~0#1 - 1) % 2) && 1 != main_~this_buffer_empty~0#1) && !(0 != main_~P3~0#1)));main_~q~0#1 := 4;main_~this_expect~0#1 := main_~this_expect~0#1;main_~this_buffer_empty~0#1 := 1 - main_~this_buffer_empty~0#1; {16724#(<= 1 |ULTIMATE.start_main_~this_expect~0#1|)} is VALID [2022-02-20 16:07:35,076 INFO L290 TraceCheckUtils]: 26: Hoare triple {16724#(<= 1 |ULTIMATE.start_main_~this_expect~0#1|)} assume !false;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_~P1~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647;main_~P2~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647;main_~P3~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;assume -2147483648 <= main_#t~nondet7#1 && main_#t~nondet7#1 <= 2147483647;main_~P4~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;assume -2147483648 <= main_#t~nondet8#1 && main_#t~nondet8#1 <= 2147483647;main_~P5~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647;main_~P6~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1;assume -2147483648 <= main_#t~nondet10#1 && main_#t~nondet10#1 <= 2147483647;main_~P7~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;assume -2147483648 <= main_#t~nondet11#1 && main_#t~nondet11#1 <= 2147483647;main_~P8~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;assume -2147483648 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 2147483647;main_~P9~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; {16724#(<= 1 |ULTIMATE.start_main_~this_expect~0#1|)} is VALID [2022-02-20 16:07:35,076 INFO L290 TraceCheckUtils]: 27: Hoare triple {16724#(<= 1 |ULTIMATE.start_main_~this_expect~0#1|)} assume !(main_~this_expect~0#1 > 16); {16724#(<= 1 |ULTIMATE.start_main_~this_expect~0#1|)} is VALID [2022-02-20 16:07:35,076 INFO L290 TraceCheckUtils]: 28: Hoare triple {16724#(<= 1 |ULTIMATE.start_main_~this_expect~0#1|)} assume !(0 == main_~q~0#1); {16724#(<= 1 |ULTIMATE.start_main_~this_expect~0#1|)} is VALID [2022-02-20 16:07:35,077 INFO L290 TraceCheckUtils]: 29: Hoare triple {16724#(<= 1 |ULTIMATE.start_main_~this_expect~0#1|)} assume !(1 == main_~q~0#1); {16724#(<= 1 |ULTIMATE.start_main_~this_expect~0#1|)} is VALID [2022-02-20 16:07:35,077 INFO L290 TraceCheckUtils]: 30: Hoare triple {16724#(<= 1 |ULTIMATE.start_main_~this_expect~0#1|)} assume !(2 == main_~q~0#1); {16724#(<= 1 |ULTIMATE.start_main_~this_expect~0#1|)} is VALID [2022-02-20 16:07:35,077 INFO L290 TraceCheckUtils]: 31: Hoare triple {16724#(<= 1 |ULTIMATE.start_main_~this_expect~0#1|)} assume !(3 == main_~q~0#1); {16724#(<= 1 |ULTIMATE.start_main_~this_expect~0#1|)} is VALID [2022-02-20 16:07:35,077 INFO L290 TraceCheckUtils]: 32: Hoare triple {16724#(<= 1 |ULTIMATE.start_main_~this_expect~0#1|)} assume 4 == main_~q~0#1;assume -2147483648 <= main_#t~nondet32#1 && main_#t~nondet32#1 <= 2147483647; {16724#(<= 1 |ULTIMATE.start_main_~this_expect~0#1|)} is VALID [2022-02-20 16:07:35,078 INFO L290 TraceCheckUtils]: 33: Hoare triple {16724#(<= 1 |ULTIMATE.start_main_~this_expect~0#1|)} assume !(0 != main_#t~nondet32#1);havoc main_#t~nondet32#1;assume -2147483648 <= main_#t~nondet33#1 && main_#t~nondet33#1 <= 2147483647; {16724#(<= 1 |ULTIMATE.start_main_~this_expect~0#1|)} is VALID [2022-02-20 16:07:35,078 INFO L290 TraceCheckUtils]: 34: Hoare triple {16724#(<= 1 |ULTIMATE.start_main_~this_expect~0#1|)} assume !(0 != main_#t~nondet33#1);havoc main_#t~nondet33#1;assume -2147483648 <= main_#t~nondet34#1 && main_#t~nondet34#1 <= 2147483647; {16724#(<= 1 |ULTIMATE.start_main_~this_expect~0#1|)} is VALID [2022-02-20 16:07:35,078 INFO L290 TraceCheckUtils]: 35: Hoare triple {16724#(<= 1 |ULTIMATE.start_main_~this_expect~0#1|)} assume !(0 != main_#t~nondet34#1);havoc main_#t~nondet34#1;assume -2147483648 <= main_#t~nondet35#1 && main_#t~nondet35#1 <= 2147483647; {16724#(<= 1 |ULTIMATE.start_main_~this_expect~0#1|)} is VALID [2022-02-20 16:07:35,078 INFO L290 TraceCheckUtils]: 36: Hoare triple {16724#(<= 1 |ULTIMATE.start_main_~this_expect~0#1|)} assume 0 != main_#t~nondet35#1;havoc main_#t~nondet35#1; {16724#(<= 1 |ULTIMATE.start_main_~this_expect~0#1|)} is VALID [2022-02-20 16:07:35,079 INFO L290 TraceCheckUtils]: 37: Hoare triple {16724#(<= 1 |ULTIMATE.start_main_~this_expect~0#1|)} assume 0 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2) && !(1 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2) && 0 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2));main_~method_id~0#1 := 5; {16724#(<= 1 |ULTIMATE.start_main_~this_expect~0#1|)} is VALID [2022-02-20 16:07:35,079 INFO L290 TraceCheckUtils]: 38: Hoare triple {16724#(<= 1 |ULTIMATE.start_main_~this_expect~0#1|)} assume !(((((if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2) != (if main_~this_expect~0#1 < 0 && 0 != main_~this_expect~0#1 % 2 then main_~this_expect~0#1 % 2 - 2 else main_~this_expect~0#1 % 2) && 1 == main_~this_buffer_empty~0#1) && 0 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2)) && 0 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2) && !(1 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2) && 0 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2))) || ((1 != main_~this_buffer_empty~0#1 && 0 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2)) && 0 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2) && !(1 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2) && 0 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2))));main_~q~0#1 := 5;main_~this_expect~0#1 := 1 + main_~this_expect~0#1;main_~this_buffer_empty~0#1 := 1 - main_~this_buffer_empty~0#1; {16725#(<= 2 |ULTIMATE.start_main_~this_expect~0#1|)} is VALID [2022-02-20 16:07:35,080 INFO L290 TraceCheckUtils]: 39: Hoare triple {16725#(<= 2 |ULTIMATE.start_main_~this_expect~0#1|)} assume !false;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_~P1~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647;main_~P2~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647;main_~P3~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;assume -2147483648 <= main_#t~nondet7#1 && main_#t~nondet7#1 <= 2147483647;main_~P4~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;assume -2147483648 <= main_#t~nondet8#1 && main_#t~nondet8#1 <= 2147483647;main_~P5~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647;main_~P6~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1;assume -2147483648 <= main_#t~nondet10#1 && main_#t~nondet10#1 <= 2147483647;main_~P7~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;assume -2147483648 <= main_#t~nondet11#1 && main_#t~nondet11#1 <= 2147483647;main_~P8~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;assume -2147483648 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 2147483647;main_~P9~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; {16726#(or (<= 2 |ULTIMATE.start_main_~this_expect~0#1|) (not (<= |ULTIMATE.start_main_~P8~0#1| 1)))} is VALID [2022-02-20 16:07:35,080 INFO L290 TraceCheckUtils]: 40: Hoare triple {16726#(or (<= 2 |ULTIMATE.start_main_~this_expect~0#1|) (not (<= |ULTIMATE.start_main_~P8~0#1| 1)))} assume !(main_~this_expect~0#1 > 16); {16726#(or (<= 2 |ULTIMATE.start_main_~this_expect~0#1|) (not (<= |ULTIMATE.start_main_~P8~0#1| 1)))} is VALID [2022-02-20 16:07:35,080 INFO L290 TraceCheckUtils]: 41: Hoare triple {16726#(or (<= 2 |ULTIMATE.start_main_~this_expect~0#1|) (not (<= |ULTIMATE.start_main_~P8~0#1| 1)))} assume !(0 == main_~q~0#1); {16726#(or (<= 2 |ULTIMATE.start_main_~this_expect~0#1|) (not (<= |ULTIMATE.start_main_~P8~0#1| 1)))} is VALID [2022-02-20 16:07:35,081 INFO L290 TraceCheckUtils]: 42: Hoare triple {16726#(or (<= 2 |ULTIMATE.start_main_~this_expect~0#1|) (not (<= |ULTIMATE.start_main_~P8~0#1| 1)))} assume !(1 == main_~q~0#1); {16726#(or (<= 2 |ULTIMATE.start_main_~this_expect~0#1|) (not (<= |ULTIMATE.start_main_~P8~0#1| 1)))} is VALID [2022-02-20 16:07:35,081 INFO L290 TraceCheckUtils]: 43: Hoare triple {16726#(or (<= 2 |ULTIMATE.start_main_~this_expect~0#1|) (not (<= |ULTIMATE.start_main_~P8~0#1| 1)))} assume !(2 == main_~q~0#1); {16726#(or (<= 2 |ULTIMATE.start_main_~this_expect~0#1|) (not (<= |ULTIMATE.start_main_~P8~0#1| 1)))} is VALID [2022-02-20 16:07:35,081 INFO L290 TraceCheckUtils]: 44: Hoare triple {16726#(or (<= 2 |ULTIMATE.start_main_~this_expect~0#1|) (not (<= |ULTIMATE.start_main_~P8~0#1| 1)))} assume !(3 == main_~q~0#1); {16726#(or (<= 2 |ULTIMATE.start_main_~this_expect~0#1|) (not (<= |ULTIMATE.start_main_~P8~0#1| 1)))} is VALID [2022-02-20 16:07:35,081 INFO L290 TraceCheckUtils]: 45: Hoare triple {16726#(or (<= 2 |ULTIMATE.start_main_~this_expect~0#1|) (not (<= |ULTIMATE.start_main_~P8~0#1| 1)))} assume !(4 == main_~q~0#1); {16726#(or (<= 2 |ULTIMATE.start_main_~this_expect~0#1|) (not (<= |ULTIMATE.start_main_~P8~0#1| 1)))} is VALID [2022-02-20 16:07:35,082 INFO L290 TraceCheckUtils]: 46: Hoare triple {16726#(or (<= 2 |ULTIMATE.start_main_~this_expect~0#1|) (not (<= |ULTIMATE.start_main_~P8~0#1| 1)))} assume 5 == main_~q~0#1;assume -2147483648 <= main_#t~nondet38#1 && main_#t~nondet38#1 <= 2147483647; {16726#(or (<= 2 |ULTIMATE.start_main_~this_expect~0#1|) (not (<= |ULTIMATE.start_main_~P8~0#1| 1)))} is VALID [2022-02-20 16:07:35,082 INFO L290 TraceCheckUtils]: 47: Hoare triple {16726#(or (<= 2 |ULTIMATE.start_main_~this_expect~0#1|) (not (<= |ULTIMATE.start_main_~P8~0#1| 1)))} assume !(0 != main_#t~nondet38#1);havoc main_#t~nondet38#1;assume -2147483648 <= main_#t~nondet39#1 && main_#t~nondet39#1 <= 2147483647; {16726#(or (<= 2 |ULTIMATE.start_main_~this_expect~0#1|) (not (<= |ULTIMATE.start_main_~P8~0#1| 1)))} is VALID [2022-02-20 16:07:35,082 INFO L290 TraceCheckUtils]: 48: Hoare triple {16726#(or (<= 2 |ULTIMATE.start_main_~this_expect~0#1|) (not (<= |ULTIMATE.start_main_~P8~0#1| 1)))} assume !(0 != main_#t~nondet39#1);havoc main_#t~nondet39#1;assume -2147483648 <= main_#t~nondet40#1 && main_#t~nondet40#1 <= 2147483647; {16726#(or (<= 2 |ULTIMATE.start_main_~this_expect~0#1|) (not (<= |ULTIMATE.start_main_~P8~0#1| 1)))} is VALID [2022-02-20 16:07:35,082 INFO L290 TraceCheckUtils]: 49: Hoare triple {16726#(or (<= 2 |ULTIMATE.start_main_~this_expect~0#1|) (not (<= |ULTIMATE.start_main_~P8~0#1| 1)))} assume !(0 != main_#t~nondet40#1);havoc main_#t~nondet40#1;assume -2147483648 <= main_#t~nondet41#1 && main_#t~nondet41#1 <= 2147483647; {16726#(or (<= 2 |ULTIMATE.start_main_~this_expect~0#1|) (not (<= |ULTIMATE.start_main_~P8~0#1| 1)))} is VALID [2022-02-20 16:07:35,083 INFO L290 TraceCheckUtils]: 50: Hoare triple {16726#(or (<= 2 |ULTIMATE.start_main_~this_expect~0#1|) (not (<= |ULTIMATE.start_main_~P8~0#1| 1)))} assume !(0 != main_#t~nondet41#1);havoc main_#t~nondet41#1;assume -2147483648 <= main_#t~nondet42#1 && main_#t~nondet42#1 <= 2147483647; {16726#(or (<= 2 |ULTIMATE.start_main_~this_expect~0#1|) (not (<= |ULTIMATE.start_main_~P8~0#1| 1)))} is VALID [2022-02-20 16:07:35,083 INFO L290 TraceCheckUtils]: 51: Hoare triple {16726#(or (<= 2 |ULTIMATE.start_main_~this_expect~0#1|) (not (<= |ULTIMATE.start_main_~P8~0#1| 1)))} assume 0 != main_#t~nondet42#1;havoc main_#t~nondet42#1; {16726#(or (<= 2 |ULTIMATE.start_main_~this_expect~0#1|) (not (<= |ULTIMATE.start_main_~P8~0#1| 1)))} is VALID [2022-02-20 16:07:35,083 INFO L290 TraceCheckUtils]: 52: Hoare triple {16726#(or (<= 2 |ULTIMATE.start_main_~this_expect~0#1|) (not (<= |ULTIMATE.start_main_~P8~0#1| 1)))} assume 0 != main_~P1~0#1 && 1 != main_~P1~0#1 && 0 != main_~P1~0#1;main_~method_id~0#1 := 6; {16726#(or (<= 2 |ULTIMATE.start_main_~this_expect~0#1|) (not (<= |ULTIMATE.start_main_~P8~0#1| 1)))} is VALID [2022-02-20 16:07:35,084 INFO L290 TraceCheckUtils]: 53: Hoare triple {16726#(or (<= 2 |ULTIMATE.start_main_~this_expect~0#1|) (not (<= |ULTIMATE.start_main_~P8~0#1| 1)))} assume ((main_~P8~0#1 == (if main_~this_expect~0#1 - 1 < 0 && 0 != (main_~this_expect~0#1 - 1) % 2 then (main_~this_expect~0#1 - 1) % 2 - 2 else (main_~this_expect~0#1 - 1) % 2) && 1 != main_~this_buffer_empty~0#1) && 0 != main_~P8~0#1) && 0 != main_~P8~0#1 && 1 != main_~P8~0#1 && 0 != main_~P8~0#1; {16722#false} is VALID [2022-02-20 16:07:35,084 INFO L290 TraceCheckUtils]: 54: Hoare triple {16722#false} assume !false; {16722#false} is VALID [2022-02-20 16:07:35,084 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 14 proven. 23 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-02-20 16:07:35,084 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 16:07:35,084 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [52087422] [2022-02-20 16:07:35,085 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [52087422] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-20 16:07:35,085 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [855287441] [2022-02-20 16:07:35,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 16:07:35,085 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 16:07:35,085 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 16:07:35,086 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-20 16:07:35,087 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-02-20 16:07:35,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 16:07:35,172 INFO L263 TraceCheckSpWp]: Trace formula consists of 355 conjuncts, 8 conjunts are in the unsatisfiable core [2022-02-20 16:07:35,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 16:07:35,188 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-20 16:07:35,616 INFO L290 TraceCheckUtils]: 0: Hoare triple {16721#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(16, 2);call #Ultimate.allocInit(12, 3);~m_Protocol~0 := 1;~m_msg_2~0 := 2;~m_recv_ack_2~0 := 3;~m_msg_1_1~0 := 4;~m_msg_1_2~0 := 5;~m_recv_ack_1_1~0 := 6;~m_recv_ack_1_2~0 := 7; {16721#true} is VALID [2022-02-20 16:07:35,617 INFO L290 TraceCheckUtils]: 1: Hoare triple {16721#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~nondet5#1, main_#t~nondet6#1, main_#t~nondet7#1, main_#t~nondet8#1, main_#t~nondet9#1, main_#t~nondet10#1, main_#t~nondet11#1, main_#t~nondet12#1, main_#t~nondet13#1, main_#t~nondet14#1, main_#t~nondet15#1, main_#t~nondet16#1, main_#t~nondet17#1, main_#t~nondet18#1, main_#t~nondet19#1, main_#t~nondet20#1, main_#t~nondet21#1, main_#t~nondet22#1, main_#t~nondet23#1, main_#t~nondet24#1, main_#t~nondet25#1, main_#t~nondet26#1, main_#t~nondet27#1, main_#t~nondet28#1, main_#t~nondet29#1, main_#t~nondet30#1, main_#t~nondet31#1, main_#t~nondet32#1, main_#t~nondet33#1, main_#t~nondet34#1, main_#t~nondet35#1, main_#t~nondet36#1, main_#t~nondet37#1, main_#t~nondet38#1, main_#t~nondet39#1, main_#t~nondet40#1, main_#t~nondet41#1, main_#t~nondet42#1, main_#t~nondet43#1, main_~P1~0#1, main_~P2~0#1, main_~P3~0#1, main_~P4~0#1, main_~P5~0#1, main_~P6~0#1, main_~P7~0#1, main_~P8~0#1, main_~P9~0#1, main_~q~0#1, main_~method_id~0#1, main_~this_expect~0#1, main_~this_buffer_empty~0#1;main_~q~0#1 := 0;havoc main_~method_id~0#1;main_~this_expect~0#1 := 0;main_~this_buffer_empty~0#1 := 0; {16721#true} is VALID [2022-02-20 16:07:35,617 INFO L290 TraceCheckUtils]: 2: Hoare triple {16721#true} goto; {16721#true} is VALID [2022-02-20 16:07:35,617 INFO L290 TraceCheckUtils]: 3: Hoare triple {16721#true} assume !false;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_~P1~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647;main_~P2~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647;main_~P3~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;assume -2147483648 <= main_#t~nondet7#1 && main_#t~nondet7#1 <= 2147483647;main_~P4~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;assume -2147483648 <= main_#t~nondet8#1 && main_#t~nondet8#1 <= 2147483647;main_~P5~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647;main_~P6~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1;assume -2147483648 <= main_#t~nondet10#1 && main_#t~nondet10#1 <= 2147483647;main_~P7~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;assume -2147483648 <= main_#t~nondet11#1 && main_#t~nondet11#1 <= 2147483647;main_~P8~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;assume -2147483648 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 2147483647;main_~P9~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; {16721#true} is VALID [2022-02-20 16:07:35,617 INFO L290 TraceCheckUtils]: 4: Hoare triple {16721#true} assume !(main_~this_expect~0#1 > 16); {16721#true} is VALID [2022-02-20 16:07:35,617 INFO L290 TraceCheckUtils]: 5: Hoare triple {16721#true} assume 0 == main_~q~0#1;assume -2147483648 <= main_#t~nondet13#1 && main_#t~nondet13#1 <= 2147483647; {16721#true} is VALID [2022-02-20 16:07:35,617 INFO L290 TraceCheckUtils]: 6: Hoare triple {16721#true} assume 0 != main_#t~nondet13#1;havoc main_#t~nondet13#1; {16721#true} is VALID [2022-02-20 16:07:35,617 INFO L290 TraceCheckUtils]: 7: Hoare triple {16721#true} main_~method_id~0#1 := 1; {16721#true} is VALID [2022-02-20 16:07:35,618 INFO L290 TraceCheckUtils]: 8: Hoare triple {16721#true} assume !false;main_~q~0#1 := 1;main_~this_expect~0#1 := 0;main_~this_buffer_empty~0#1 := 1; {16754#(<= 0 |ULTIMATE.start_main_~this_expect~0#1|)} is VALID [2022-02-20 16:07:35,618 INFO L290 TraceCheckUtils]: 9: Hoare triple {16754#(<= 0 |ULTIMATE.start_main_~this_expect~0#1|)} assume !false;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_~P1~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647;main_~P2~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647;main_~P3~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;assume -2147483648 <= main_#t~nondet7#1 && main_#t~nondet7#1 <= 2147483647;main_~P4~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;assume -2147483648 <= main_#t~nondet8#1 && main_#t~nondet8#1 <= 2147483647;main_~P5~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647;main_~P6~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1;assume -2147483648 <= main_#t~nondet10#1 && main_#t~nondet10#1 <= 2147483647;main_~P7~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;assume -2147483648 <= main_#t~nondet11#1 && main_#t~nondet11#1 <= 2147483647;main_~P8~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;assume -2147483648 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 2147483647;main_~P9~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; {16754#(<= 0 |ULTIMATE.start_main_~this_expect~0#1|)} is VALID [2022-02-20 16:07:35,618 INFO L290 TraceCheckUtils]: 10: Hoare triple {16754#(<= 0 |ULTIMATE.start_main_~this_expect~0#1|)} assume !(main_~this_expect~0#1 > 16); {16754#(<= 0 |ULTIMATE.start_main_~this_expect~0#1|)} is VALID [2022-02-20 16:07:35,618 INFO L290 TraceCheckUtils]: 11: Hoare triple {16754#(<= 0 |ULTIMATE.start_main_~this_expect~0#1|)} assume !(0 == main_~q~0#1); {16754#(<= 0 |ULTIMATE.start_main_~this_expect~0#1|)} is VALID [2022-02-20 16:07:35,619 INFO L290 TraceCheckUtils]: 12: Hoare triple {16754#(<= 0 |ULTIMATE.start_main_~this_expect~0#1|)} assume 1 == main_~q~0#1;assume -2147483648 <= main_#t~nondet14#1 && main_#t~nondet14#1 <= 2147483647; {16754#(<= 0 |ULTIMATE.start_main_~this_expect~0#1|)} is VALID [2022-02-20 16:07:35,619 INFO L290 TraceCheckUtils]: 13: Hoare triple {16754#(<= 0 |ULTIMATE.start_main_~this_expect~0#1|)} assume 0 != main_#t~nondet14#1;havoc main_#t~nondet14#1; {16754#(<= 0 |ULTIMATE.start_main_~this_expect~0#1|)} is VALID [2022-02-20 16:07:35,619 INFO L290 TraceCheckUtils]: 14: Hoare triple {16754#(<= 0 |ULTIMATE.start_main_~this_expect~0#1|)} assume !(0 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2));main_~method_id~0#1 := 2; {16754#(<= 0 |ULTIMATE.start_main_~this_expect~0#1|)} is VALID [2022-02-20 16:07:35,620 INFO L290 TraceCheckUtils]: 15: Hoare triple {16754#(<= 0 |ULTIMATE.start_main_~this_expect~0#1|)} assume !((((if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2) != (if main_~this_expect~0#1 < 0 && 0 != main_~this_expect~0#1 % 2 then main_~this_expect~0#1 % 2 - 2 else main_~this_expect~0#1 % 2) && 1 == main_~this_buffer_empty~0#1) && !(0 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2))) || (1 != main_~this_buffer_empty~0#1 && !(0 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2))));main_~q~0#1 := 3;main_~this_expect~0#1 := 1 + main_~this_expect~0#1;main_~this_buffer_empty~0#1 := 1 - main_~this_buffer_empty~0#1; {16724#(<= 1 |ULTIMATE.start_main_~this_expect~0#1|)} is VALID [2022-02-20 16:07:35,620 INFO L290 TraceCheckUtils]: 16: Hoare triple {16724#(<= 1 |ULTIMATE.start_main_~this_expect~0#1|)} assume !false;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_~P1~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647;main_~P2~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647;main_~P3~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;assume -2147483648 <= main_#t~nondet7#1 && main_#t~nondet7#1 <= 2147483647;main_~P4~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;assume -2147483648 <= main_#t~nondet8#1 && main_#t~nondet8#1 <= 2147483647;main_~P5~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647;main_~P6~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1;assume -2147483648 <= main_#t~nondet10#1 && main_#t~nondet10#1 <= 2147483647;main_~P7~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;assume -2147483648 <= main_#t~nondet11#1 && main_#t~nondet11#1 <= 2147483647;main_~P8~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;assume -2147483648 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 2147483647;main_~P9~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; {16724#(<= 1 |ULTIMATE.start_main_~this_expect~0#1|)} is VALID [2022-02-20 16:07:35,620 INFO L290 TraceCheckUtils]: 17: Hoare triple {16724#(<= 1 |ULTIMATE.start_main_~this_expect~0#1|)} assume !(main_~this_expect~0#1 > 16); {16724#(<= 1 |ULTIMATE.start_main_~this_expect~0#1|)} is VALID [2022-02-20 16:07:35,621 INFO L290 TraceCheckUtils]: 18: Hoare triple {16724#(<= 1 |ULTIMATE.start_main_~this_expect~0#1|)} assume !(0 == main_~q~0#1); {16724#(<= 1 |ULTIMATE.start_main_~this_expect~0#1|)} is VALID [2022-02-20 16:07:35,621 INFO L290 TraceCheckUtils]: 19: Hoare triple {16724#(<= 1 |ULTIMATE.start_main_~this_expect~0#1|)} assume !(1 == main_~q~0#1); {16724#(<= 1 |ULTIMATE.start_main_~this_expect~0#1|)} is VALID [2022-02-20 16:07:35,621 INFO L290 TraceCheckUtils]: 20: Hoare triple {16724#(<= 1 |ULTIMATE.start_main_~this_expect~0#1|)} assume !(2 == main_~q~0#1); {16724#(<= 1 |ULTIMATE.start_main_~this_expect~0#1|)} is VALID [2022-02-20 16:07:35,622 INFO L290 TraceCheckUtils]: 21: Hoare triple {16724#(<= 1 |ULTIMATE.start_main_~this_expect~0#1|)} assume 3 == main_~q~0#1;assume -2147483648 <= main_#t~nondet26#1 && main_#t~nondet26#1 <= 2147483647; {16724#(<= 1 |ULTIMATE.start_main_~this_expect~0#1|)} is VALID [2022-02-20 16:07:35,622 INFO L290 TraceCheckUtils]: 22: Hoare triple {16724#(<= 1 |ULTIMATE.start_main_~this_expect~0#1|)} assume !(0 != main_#t~nondet26#1);havoc main_#t~nondet26#1;assume -2147483648 <= main_#t~nondet27#1 && main_#t~nondet27#1 <= 2147483647; {16724#(<= 1 |ULTIMATE.start_main_~this_expect~0#1|)} is VALID [2022-02-20 16:07:35,622 INFO L290 TraceCheckUtils]: 23: Hoare triple {16724#(<= 1 |ULTIMATE.start_main_~this_expect~0#1|)} assume 0 != main_#t~nondet27#1;havoc main_#t~nondet27#1; {16724#(<= 1 |ULTIMATE.start_main_~this_expect~0#1|)} is VALID [2022-02-20 16:07:35,622 INFO L290 TraceCheckUtils]: 24: Hoare triple {16724#(<= 1 |ULTIMATE.start_main_~this_expect~0#1|)} assume !(0 != main_~P1~0#1);main_~method_id~0#1 := 3; {16724#(<= 1 |ULTIMATE.start_main_~this_expect~0#1|)} is VALID [2022-02-20 16:07:35,623 INFO L290 TraceCheckUtils]: 25: Hoare triple {16724#(<= 1 |ULTIMATE.start_main_~this_expect~0#1|)} assume !((1 == main_~this_buffer_empty~0#1 && !(0 != main_~P3~0#1)) || ((main_~P3~0#1 != (if main_~this_expect~0#1 - 1 < 0 && 0 != (main_~this_expect~0#1 - 1) % 2 then (main_~this_expect~0#1 - 1) % 2 - 2 else (main_~this_expect~0#1 - 1) % 2) && 1 != main_~this_buffer_empty~0#1) && !(0 != main_~P3~0#1)));main_~q~0#1 := 4;main_~this_expect~0#1 := main_~this_expect~0#1;main_~this_buffer_empty~0#1 := 1 - main_~this_buffer_empty~0#1; {16724#(<= 1 |ULTIMATE.start_main_~this_expect~0#1|)} is VALID [2022-02-20 16:07:35,623 INFO L290 TraceCheckUtils]: 26: Hoare triple {16724#(<= 1 |ULTIMATE.start_main_~this_expect~0#1|)} assume !false;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_~P1~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647;main_~P2~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647;main_~P3~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;assume -2147483648 <= main_#t~nondet7#1 && main_#t~nondet7#1 <= 2147483647;main_~P4~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;assume -2147483648 <= main_#t~nondet8#1 && main_#t~nondet8#1 <= 2147483647;main_~P5~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647;main_~P6~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1;assume -2147483648 <= main_#t~nondet10#1 && main_#t~nondet10#1 <= 2147483647;main_~P7~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;assume -2147483648 <= main_#t~nondet11#1 && main_#t~nondet11#1 <= 2147483647;main_~P8~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;assume -2147483648 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 2147483647;main_~P9~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; {16724#(<= 1 |ULTIMATE.start_main_~this_expect~0#1|)} is VALID [2022-02-20 16:07:35,623 INFO L290 TraceCheckUtils]: 27: Hoare triple {16724#(<= 1 |ULTIMATE.start_main_~this_expect~0#1|)} assume !(main_~this_expect~0#1 > 16); {16724#(<= 1 |ULTIMATE.start_main_~this_expect~0#1|)} is VALID [2022-02-20 16:07:35,624 INFO L290 TraceCheckUtils]: 28: Hoare triple {16724#(<= 1 |ULTIMATE.start_main_~this_expect~0#1|)} assume !(0 == main_~q~0#1); {16724#(<= 1 |ULTIMATE.start_main_~this_expect~0#1|)} is VALID [2022-02-20 16:07:35,624 INFO L290 TraceCheckUtils]: 29: Hoare triple {16724#(<= 1 |ULTIMATE.start_main_~this_expect~0#1|)} assume !(1 == main_~q~0#1); {16724#(<= 1 |ULTIMATE.start_main_~this_expect~0#1|)} is VALID [2022-02-20 16:07:35,624 INFO L290 TraceCheckUtils]: 30: Hoare triple {16724#(<= 1 |ULTIMATE.start_main_~this_expect~0#1|)} assume !(2 == main_~q~0#1); {16724#(<= 1 |ULTIMATE.start_main_~this_expect~0#1|)} is VALID [2022-02-20 16:07:35,624 INFO L290 TraceCheckUtils]: 31: Hoare triple {16724#(<= 1 |ULTIMATE.start_main_~this_expect~0#1|)} assume !(3 == main_~q~0#1); {16724#(<= 1 |ULTIMATE.start_main_~this_expect~0#1|)} is VALID [2022-02-20 16:07:35,625 INFO L290 TraceCheckUtils]: 32: Hoare triple {16724#(<= 1 |ULTIMATE.start_main_~this_expect~0#1|)} assume 4 == main_~q~0#1;assume -2147483648 <= main_#t~nondet32#1 && main_#t~nondet32#1 <= 2147483647; {16724#(<= 1 |ULTIMATE.start_main_~this_expect~0#1|)} is VALID [2022-02-20 16:07:35,625 INFO L290 TraceCheckUtils]: 33: Hoare triple {16724#(<= 1 |ULTIMATE.start_main_~this_expect~0#1|)} assume !(0 != main_#t~nondet32#1);havoc main_#t~nondet32#1;assume -2147483648 <= main_#t~nondet33#1 && main_#t~nondet33#1 <= 2147483647; {16724#(<= 1 |ULTIMATE.start_main_~this_expect~0#1|)} is VALID [2022-02-20 16:07:35,625 INFO L290 TraceCheckUtils]: 34: Hoare triple {16724#(<= 1 |ULTIMATE.start_main_~this_expect~0#1|)} assume !(0 != main_#t~nondet33#1);havoc main_#t~nondet33#1;assume -2147483648 <= main_#t~nondet34#1 && main_#t~nondet34#1 <= 2147483647; {16724#(<= 1 |ULTIMATE.start_main_~this_expect~0#1|)} is VALID [2022-02-20 16:07:35,625 INFO L290 TraceCheckUtils]: 35: Hoare triple {16724#(<= 1 |ULTIMATE.start_main_~this_expect~0#1|)} assume !(0 != main_#t~nondet34#1);havoc main_#t~nondet34#1;assume -2147483648 <= main_#t~nondet35#1 && main_#t~nondet35#1 <= 2147483647; {16724#(<= 1 |ULTIMATE.start_main_~this_expect~0#1|)} is VALID [2022-02-20 16:07:35,626 INFO L290 TraceCheckUtils]: 36: Hoare triple {16724#(<= 1 |ULTIMATE.start_main_~this_expect~0#1|)} assume 0 != main_#t~nondet35#1;havoc main_#t~nondet35#1; {16724#(<= 1 |ULTIMATE.start_main_~this_expect~0#1|)} is VALID [2022-02-20 16:07:35,626 INFO L290 TraceCheckUtils]: 37: Hoare triple {16724#(<= 1 |ULTIMATE.start_main_~this_expect~0#1|)} assume 0 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2) && !(1 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2) && 0 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2));main_~method_id~0#1 := 5; {16724#(<= 1 |ULTIMATE.start_main_~this_expect~0#1|)} is VALID [2022-02-20 16:07:35,626 INFO L290 TraceCheckUtils]: 38: Hoare triple {16724#(<= 1 |ULTIMATE.start_main_~this_expect~0#1|)} assume !(((((if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2) != (if main_~this_expect~0#1 < 0 && 0 != main_~this_expect~0#1 % 2 then main_~this_expect~0#1 % 2 - 2 else main_~this_expect~0#1 % 2) && 1 == main_~this_buffer_empty~0#1) && 0 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2)) && 0 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2) && !(1 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2) && 0 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2))) || ((1 != main_~this_buffer_empty~0#1 && 0 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2)) && 0 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2) && !(1 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2) && 0 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2))));main_~q~0#1 := 5;main_~this_expect~0#1 := 1 + main_~this_expect~0#1;main_~this_buffer_empty~0#1 := 1 - main_~this_buffer_empty~0#1; {16725#(<= 2 |ULTIMATE.start_main_~this_expect~0#1|)} is VALID [2022-02-20 16:07:35,627 INFO L290 TraceCheckUtils]: 39: Hoare triple {16725#(<= 2 |ULTIMATE.start_main_~this_expect~0#1|)} assume !false;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_~P1~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647;main_~P2~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647;main_~P3~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;assume -2147483648 <= main_#t~nondet7#1 && main_#t~nondet7#1 <= 2147483647;main_~P4~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;assume -2147483648 <= main_#t~nondet8#1 && main_#t~nondet8#1 <= 2147483647;main_~P5~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647;main_~P6~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1;assume -2147483648 <= main_#t~nondet10#1 && main_#t~nondet10#1 <= 2147483647;main_~P7~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;assume -2147483648 <= main_#t~nondet11#1 && main_#t~nondet11#1 <= 2147483647;main_~P8~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;assume -2147483648 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 2147483647;main_~P9~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; {16725#(<= 2 |ULTIMATE.start_main_~this_expect~0#1|)} is VALID [2022-02-20 16:07:35,627 INFO L290 TraceCheckUtils]: 40: Hoare triple {16725#(<= 2 |ULTIMATE.start_main_~this_expect~0#1|)} assume !(main_~this_expect~0#1 > 16); {16725#(<= 2 |ULTIMATE.start_main_~this_expect~0#1|)} is VALID [2022-02-20 16:07:35,627 INFO L290 TraceCheckUtils]: 41: Hoare triple {16725#(<= 2 |ULTIMATE.start_main_~this_expect~0#1|)} assume !(0 == main_~q~0#1); {16725#(<= 2 |ULTIMATE.start_main_~this_expect~0#1|)} is VALID [2022-02-20 16:07:35,628 INFO L290 TraceCheckUtils]: 42: Hoare triple {16725#(<= 2 |ULTIMATE.start_main_~this_expect~0#1|)} assume !(1 == main_~q~0#1); {16725#(<= 2 |ULTIMATE.start_main_~this_expect~0#1|)} is VALID [2022-02-20 16:07:35,628 INFO L290 TraceCheckUtils]: 43: Hoare triple {16725#(<= 2 |ULTIMATE.start_main_~this_expect~0#1|)} assume !(2 == main_~q~0#1); {16725#(<= 2 |ULTIMATE.start_main_~this_expect~0#1|)} is VALID [2022-02-20 16:07:35,628 INFO L290 TraceCheckUtils]: 44: Hoare triple {16725#(<= 2 |ULTIMATE.start_main_~this_expect~0#1|)} assume !(3 == main_~q~0#1); {16725#(<= 2 |ULTIMATE.start_main_~this_expect~0#1|)} is VALID [2022-02-20 16:07:35,628 INFO L290 TraceCheckUtils]: 45: Hoare triple {16725#(<= 2 |ULTIMATE.start_main_~this_expect~0#1|)} assume !(4 == main_~q~0#1); {16725#(<= 2 |ULTIMATE.start_main_~this_expect~0#1|)} is VALID [2022-02-20 16:07:35,629 INFO L290 TraceCheckUtils]: 46: Hoare triple {16725#(<= 2 |ULTIMATE.start_main_~this_expect~0#1|)} assume 5 == main_~q~0#1;assume -2147483648 <= main_#t~nondet38#1 && main_#t~nondet38#1 <= 2147483647; {16725#(<= 2 |ULTIMATE.start_main_~this_expect~0#1|)} is VALID [2022-02-20 16:07:35,630 INFO L290 TraceCheckUtils]: 47: Hoare triple {16725#(<= 2 |ULTIMATE.start_main_~this_expect~0#1|)} assume !(0 != main_#t~nondet38#1);havoc main_#t~nondet38#1;assume -2147483648 <= main_#t~nondet39#1 && main_#t~nondet39#1 <= 2147483647; {16725#(<= 2 |ULTIMATE.start_main_~this_expect~0#1|)} is VALID [2022-02-20 16:07:35,631 INFO L290 TraceCheckUtils]: 48: Hoare triple {16725#(<= 2 |ULTIMATE.start_main_~this_expect~0#1|)} assume !(0 != main_#t~nondet39#1);havoc main_#t~nondet39#1;assume -2147483648 <= main_#t~nondet40#1 && main_#t~nondet40#1 <= 2147483647; {16725#(<= 2 |ULTIMATE.start_main_~this_expect~0#1|)} is VALID [2022-02-20 16:07:35,632 INFO L290 TraceCheckUtils]: 49: Hoare triple {16725#(<= 2 |ULTIMATE.start_main_~this_expect~0#1|)} assume !(0 != main_#t~nondet40#1);havoc main_#t~nondet40#1;assume -2147483648 <= main_#t~nondet41#1 && main_#t~nondet41#1 <= 2147483647; {16725#(<= 2 |ULTIMATE.start_main_~this_expect~0#1|)} is VALID [2022-02-20 16:07:35,632 INFO L290 TraceCheckUtils]: 50: Hoare triple {16725#(<= 2 |ULTIMATE.start_main_~this_expect~0#1|)} assume !(0 != main_#t~nondet41#1);havoc main_#t~nondet41#1;assume -2147483648 <= main_#t~nondet42#1 && main_#t~nondet42#1 <= 2147483647; {16725#(<= 2 |ULTIMATE.start_main_~this_expect~0#1|)} is VALID [2022-02-20 16:07:35,636 INFO L290 TraceCheckUtils]: 51: Hoare triple {16725#(<= 2 |ULTIMATE.start_main_~this_expect~0#1|)} assume 0 != main_#t~nondet42#1;havoc main_#t~nondet42#1; {16725#(<= 2 |ULTIMATE.start_main_~this_expect~0#1|)} is VALID [2022-02-20 16:07:35,637 INFO L290 TraceCheckUtils]: 52: Hoare triple {16725#(<= 2 |ULTIMATE.start_main_~this_expect~0#1|)} assume 0 != main_~P1~0#1 && 1 != main_~P1~0#1 && 0 != main_~P1~0#1;main_~method_id~0#1 := 6; {16725#(<= 2 |ULTIMATE.start_main_~this_expect~0#1|)} is VALID [2022-02-20 16:07:35,637 INFO L290 TraceCheckUtils]: 53: Hoare triple {16725#(<= 2 |ULTIMATE.start_main_~this_expect~0#1|)} assume ((main_~P8~0#1 == (if main_~this_expect~0#1 - 1 < 0 && 0 != (main_~this_expect~0#1 - 1) % 2 then (main_~this_expect~0#1 - 1) % 2 - 2 else (main_~this_expect~0#1 - 1) % 2) && 1 != main_~this_buffer_empty~0#1) && 0 != main_~P8~0#1) && 0 != main_~P8~0#1 && 1 != main_~P8~0#1 && 0 != main_~P8~0#1; {16722#false} is VALID [2022-02-20 16:07:35,637 INFO L290 TraceCheckUtils]: 54: Hoare triple {16722#false} assume !false; {16722#false} is VALID [2022-02-20 16:07:35,637 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-02-20 16:07:35,637 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-02-20 16:07:35,638 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [855287441] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 16:07:35,638 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-02-20 16:07:35,638 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6] total 7 [2022-02-20 16:07:35,638 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1383348423] [2022-02-20 16:07:35,638 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 16:07:35,638 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 55 [2022-02-20 16:07:35,639 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 16:07:35,639 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 5 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:07:35,666 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 50 edges. 50 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 16:07:35,666 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-20 16:07:35,666 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 16:07:35,666 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-20 16:07:35,666 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2022-02-20 16:07:35,667 INFO L87 Difference]: Start difference. First operand 231 states and 333 transitions. Second operand has 5 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:07:35,998 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 16:07:35,999 INFO L93 Difference]: Finished difference Result 317 states and 455 transitions. [2022-02-20 16:07:35,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-20 16:07:35,999 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 55 [2022-02-20 16:07:35,999 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 16:07:35,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:07:36,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 300 transitions. [2022-02-20 16:07:36,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:07:36,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 300 transitions. [2022-02-20 16:07:36,001 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states and 300 transitions. [2022-02-20 16:07:36,182 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 300 edges. 300 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 16:07:36,186 INFO L225 Difference]: With dead ends: 317 [2022-02-20 16:07:36,186 INFO L226 Difference]: Without dead ends: 313 [2022-02-20 16:07:36,186 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2022-02-20 16:07:36,186 INFO L933 BasicCegarLoop]: 181 mSDtfsCounter, 198 mSDsluCounter, 246 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 198 SdHoareTripleChecker+Valid, 427 SdHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-20 16:07:36,186 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [198 Valid, 427 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-20 16:07:36,187 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 313 states. [2022-02-20 16:07:36,232 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 313 to 309. [2022-02-20 16:07:36,232 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 16:07:36,232 INFO L82 GeneralOperation]: Start isEquivalent. First operand 313 states. Second operand has 309 states, 308 states have (on average 1.4545454545454546) internal successors, (448), 308 states have internal predecessors, (448), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:07:36,235 INFO L74 IsIncluded]: Start isIncluded. First operand 313 states. Second operand has 309 states, 308 states have (on average 1.4545454545454546) internal successors, (448), 308 states have internal predecessors, (448), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:07:36,235 INFO L87 Difference]: Start difference. First operand 313 states. Second operand has 309 states, 308 states have (on average 1.4545454545454546) internal successors, (448), 308 states have internal predecessors, (448), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:07:36,239 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 16:07:36,239 INFO L93 Difference]: Finished difference Result 313 states and 450 transitions. [2022-02-20 16:07:36,239 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states and 450 transitions. [2022-02-20 16:07:36,239 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 16:07:36,239 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 16:07:36,240 INFO L74 IsIncluded]: Start isIncluded. First operand has 309 states, 308 states have (on average 1.4545454545454546) internal successors, (448), 308 states have internal predecessors, (448), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 313 states. [2022-02-20 16:07:36,240 INFO L87 Difference]: Start difference. First operand has 309 states, 308 states have (on average 1.4545454545454546) internal successors, (448), 308 states have internal predecessors, (448), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 313 states. [2022-02-20 16:07:36,244 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 16:07:36,244 INFO L93 Difference]: Finished difference Result 313 states and 450 transitions. [2022-02-20 16:07:36,244 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states and 450 transitions. [2022-02-20 16:07:36,244 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 16:07:36,244 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 16:07:36,244 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 16:07:36,244 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 16:07:36,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 309 states, 308 states have (on average 1.4545454545454546) internal successors, (448), 308 states have internal predecessors, (448), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:07:36,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 309 states and 448 transitions. [2022-02-20 16:07:36,248 INFO L78 Accepts]: Start accepts. Automaton has 309 states and 448 transitions. Word has length 55 [2022-02-20 16:07:36,248 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 16:07:36,249 INFO L470 AbstractCegarLoop]: Abstraction has 309 states and 448 transitions. [2022-02-20 16:07:36,249 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:07:36,249 INFO L276 IsEmpty]: Start isEmpty. Operand 309 states and 448 transitions. [2022-02-20 16:07:36,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-02-20 16:07:36,250 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 16:07:36,250 INFO L514 BasicCegarLoop]: trace histogram [5, 4, 4, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 16:07:36,287 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-02-20 16:07:36,467 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 16:07:36,467 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-20 16:07:36,468 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 16:07:36,468 INFO L85 PathProgramCache]: Analyzing trace with hash -1291508586, now seen corresponding path program 1 times [2022-02-20 16:07:36,468 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 16:07:36,468 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [933365545] [2022-02-20 16:07:36,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 16:07:36,468 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 16:07:36,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 16:07:36,556 INFO L290 TraceCheckUtils]: 0: Hoare triple {18189#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(16, 2);call #Ultimate.allocInit(12, 3);~m_Protocol~0 := 1;~m_msg_2~0 := 2;~m_recv_ack_2~0 := 3;~m_msg_1_1~0 := 4;~m_msg_1_2~0 := 5;~m_recv_ack_1_1~0 := 6;~m_recv_ack_1_2~0 := 7; {18189#true} is VALID [2022-02-20 16:07:36,557 INFO L290 TraceCheckUtils]: 1: Hoare triple {18189#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~nondet5#1, main_#t~nondet6#1, main_#t~nondet7#1, main_#t~nondet8#1, main_#t~nondet9#1, main_#t~nondet10#1, main_#t~nondet11#1, main_#t~nondet12#1, main_#t~nondet13#1, main_#t~nondet14#1, main_#t~nondet15#1, main_#t~nondet16#1, main_#t~nondet17#1, main_#t~nondet18#1, main_#t~nondet19#1, main_#t~nondet20#1, main_#t~nondet21#1, main_#t~nondet22#1, main_#t~nondet23#1, main_#t~nondet24#1, main_#t~nondet25#1, main_#t~nondet26#1, main_#t~nondet27#1, main_#t~nondet28#1, main_#t~nondet29#1, main_#t~nondet30#1, main_#t~nondet31#1, main_#t~nondet32#1, main_#t~nondet33#1, main_#t~nondet34#1, main_#t~nondet35#1, main_#t~nondet36#1, main_#t~nondet37#1, main_#t~nondet38#1, main_#t~nondet39#1, main_#t~nondet40#1, main_#t~nondet41#1, main_#t~nondet42#1, main_#t~nondet43#1, main_~P1~0#1, main_~P2~0#1, main_~P3~0#1, main_~P4~0#1, main_~P5~0#1, main_~P6~0#1, main_~P7~0#1, main_~P8~0#1, main_~P9~0#1, main_~q~0#1, main_~method_id~0#1, main_~this_expect~0#1, main_~this_buffer_empty~0#1;main_~q~0#1 := 0;havoc main_~method_id~0#1;main_~this_expect~0#1 := 0;main_~this_buffer_empty~0#1 := 0; {18189#true} is VALID [2022-02-20 16:07:36,557 INFO L290 TraceCheckUtils]: 2: Hoare triple {18189#true} goto; {18189#true} is VALID [2022-02-20 16:07:36,557 INFO L290 TraceCheckUtils]: 3: Hoare triple {18189#true} assume !false;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_~P1~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647;main_~P2~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647;main_~P3~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;assume -2147483648 <= main_#t~nondet7#1 && main_#t~nondet7#1 <= 2147483647;main_~P4~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;assume -2147483648 <= main_#t~nondet8#1 && main_#t~nondet8#1 <= 2147483647;main_~P5~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647;main_~P6~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1;assume -2147483648 <= main_#t~nondet10#1 && main_#t~nondet10#1 <= 2147483647;main_~P7~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;assume -2147483648 <= main_#t~nondet11#1 && main_#t~nondet11#1 <= 2147483647;main_~P8~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;assume -2147483648 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 2147483647;main_~P9~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; {18189#true} is VALID [2022-02-20 16:07:36,557 INFO L290 TraceCheckUtils]: 4: Hoare triple {18189#true} assume !(main_~this_expect~0#1 > 16); {18189#true} is VALID [2022-02-20 16:07:36,557 INFO L290 TraceCheckUtils]: 5: Hoare triple {18189#true} assume 0 == main_~q~0#1;assume -2147483648 <= main_#t~nondet13#1 && main_#t~nondet13#1 <= 2147483647; {18189#true} is VALID [2022-02-20 16:07:36,557 INFO L290 TraceCheckUtils]: 6: Hoare triple {18189#true} assume 0 != main_#t~nondet13#1;havoc main_#t~nondet13#1; {18189#true} is VALID [2022-02-20 16:07:36,557 INFO L290 TraceCheckUtils]: 7: Hoare triple {18189#true} main_~method_id~0#1 := 1; {18189#true} is VALID [2022-02-20 16:07:36,558 INFO L290 TraceCheckUtils]: 8: Hoare triple {18189#true} assume !false;main_~q~0#1 := 1;main_~this_expect~0#1 := 0;main_~this_buffer_empty~0#1 := 1; {18191#(= |ULTIMATE.start_main_~this_expect~0#1| 0)} is VALID [2022-02-20 16:07:36,558 INFO L290 TraceCheckUtils]: 9: Hoare triple {18191#(= |ULTIMATE.start_main_~this_expect~0#1| 0)} assume !false;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_~P1~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647;main_~P2~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647;main_~P3~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;assume -2147483648 <= main_#t~nondet7#1 && main_#t~nondet7#1 <= 2147483647;main_~P4~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;assume -2147483648 <= main_#t~nondet8#1 && main_#t~nondet8#1 <= 2147483647;main_~P5~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647;main_~P6~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1;assume -2147483648 <= main_#t~nondet10#1 && main_#t~nondet10#1 <= 2147483647;main_~P7~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;assume -2147483648 <= main_#t~nondet11#1 && main_#t~nondet11#1 <= 2147483647;main_~P8~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;assume -2147483648 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 2147483647;main_~P9~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; {18191#(= |ULTIMATE.start_main_~this_expect~0#1| 0)} is VALID [2022-02-20 16:07:36,558 INFO L290 TraceCheckUtils]: 10: Hoare triple {18191#(= |ULTIMATE.start_main_~this_expect~0#1| 0)} assume !(main_~this_expect~0#1 > 16); {18191#(= |ULTIMATE.start_main_~this_expect~0#1| 0)} is VALID [2022-02-20 16:07:36,559 INFO L290 TraceCheckUtils]: 11: Hoare triple {18191#(= |ULTIMATE.start_main_~this_expect~0#1| 0)} assume !(0 == main_~q~0#1); {18191#(= |ULTIMATE.start_main_~this_expect~0#1| 0)} is VALID [2022-02-20 16:07:36,559 INFO L290 TraceCheckUtils]: 12: Hoare triple {18191#(= |ULTIMATE.start_main_~this_expect~0#1| 0)} assume 1 == main_~q~0#1;assume -2147483648 <= main_#t~nondet14#1 && main_#t~nondet14#1 <= 2147483647; {18191#(= |ULTIMATE.start_main_~this_expect~0#1| 0)} is VALID [2022-02-20 16:07:36,559 INFO L290 TraceCheckUtils]: 13: Hoare triple {18191#(= |ULTIMATE.start_main_~this_expect~0#1| 0)} assume 0 != main_#t~nondet14#1;havoc main_#t~nondet14#1; {18191#(= |ULTIMATE.start_main_~this_expect~0#1| 0)} is VALID [2022-02-20 16:07:36,559 INFO L290 TraceCheckUtils]: 14: Hoare triple {18191#(= |ULTIMATE.start_main_~this_expect~0#1| 0)} assume !(0 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2));main_~method_id~0#1 := 2; {18191#(= |ULTIMATE.start_main_~this_expect~0#1| 0)} is VALID [2022-02-20 16:07:36,560 INFO L290 TraceCheckUtils]: 15: Hoare triple {18191#(= |ULTIMATE.start_main_~this_expect~0#1| 0)} assume !((((if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2) != (if main_~this_expect~0#1 < 0 && 0 != main_~this_expect~0#1 % 2 then main_~this_expect~0#1 % 2 - 2 else main_~this_expect~0#1 % 2) && 1 == main_~this_buffer_empty~0#1) && !(0 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2))) || (1 != main_~this_buffer_empty~0#1 && !(0 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2))));main_~q~0#1 := 3;main_~this_expect~0#1 := 1 + main_~this_expect~0#1;main_~this_buffer_empty~0#1 := 1 - main_~this_buffer_empty~0#1; {18192#(<= |ULTIMATE.start_main_~this_expect~0#1| 1)} is VALID [2022-02-20 16:07:36,560 INFO L290 TraceCheckUtils]: 16: Hoare triple {18192#(<= |ULTIMATE.start_main_~this_expect~0#1| 1)} assume !false;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_~P1~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647;main_~P2~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647;main_~P3~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;assume -2147483648 <= main_#t~nondet7#1 && main_#t~nondet7#1 <= 2147483647;main_~P4~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;assume -2147483648 <= main_#t~nondet8#1 && main_#t~nondet8#1 <= 2147483647;main_~P5~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647;main_~P6~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1;assume -2147483648 <= main_#t~nondet10#1 && main_#t~nondet10#1 <= 2147483647;main_~P7~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;assume -2147483648 <= main_#t~nondet11#1 && main_#t~nondet11#1 <= 2147483647;main_~P8~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;assume -2147483648 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 2147483647;main_~P9~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; {18192#(<= |ULTIMATE.start_main_~this_expect~0#1| 1)} is VALID [2022-02-20 16:07:36,561 INFO L290 TraceCheckUtils]: 17: Hoare triple {18192#(<= |ULTIMATE.start_main_~this_expect~0#1| 1)} assume !(main_~this_expect~0#1 > 16); {18192#(<= |ULTIMATE.start_main_~this_expect~0#1| 1)} is VALID [2022-02-20 16:07:36,561 INFO L290 TraceCheckUtils]: 18: Hoare triple {18192#(<= |ULTIMATE.start_main_~this_expect~0#1| 1)} assume !(0 == main_~q~0#1); {18192#(<= |ULTIMATE.start_main_~this_expect~0#1| 1)} is VALID [2022-02-20 16:07:36,561 INFO L290 TraceCheckUtils]: 19: Hoare triple {18192#(<= |ULTIMATE.start_main_~this_expect~0#1| 1)} assume !(1 == main_~q~0#1); {18192#(<= |ULTIMATE.start_main_~this_expect~0#1| 1)} is VALID [2022-02-20 16:07:36,561 INFO L290 TraceCheckUtils]: 20: Hoare triple {18192#(<= |ULTIMATE.start_main_~this_expect~0#1| 1)} assume !(2 == main_~q~0#1); {18192#(<= |ULTIMATE.start_main_~this_expect~0#1| 1)} is VALID [2022-02-20 16:07:36,562 INFO L290 TraceCheckUtils]: 21: Hoare triple {18192#(<= |ULTIMATE.start_main_~this_expect~0#1| 1)} assume 3 == main_~q~0#1;assume -2147483648 <= main_#t~nondet26#1 && main_#t~nondet26#1 <= 2147483647; {18192#(<= |ULTIMATE.start_main_~this_expect~0#1| 1)} is VALID [2022-02-20 16:07:36,562 INFO L290 TraceCheckUtils]: 22: Hoare triple {18192#(<= |ULTIMATE.start_main_~this_expect~0#1| 1)} assume !(0 != main_#t~nondet26#1);havoc main_#t~nondet26#1;assume -2147483648 <= main_#t~nondet27#1 && main_#t~nondet27#1 <= 2147483647; {18192#(<= |ULTIMATE.start_main_~this_expect~0#1| 1)} is VALID [2022-02-20 16:07:36,562 INFO L290 TraceCheckUtils]: 23: Hoare triple {18192#(<= |ULTIMATE.start_main_~this_expect~0#1| 1)} assume 0 != main_#t~nondet27#1;havoc main_#t~nondet27#1; {18192#(<= |ULTIMATE.start_main_~this_expect~0#1| 1)} is VALID [2022-02-20 16:07:36,562 INFO L290 TraceCheckUtils]: 24: Hoare triple {18192#(<= |ULTIMATE.start_main_~this_expect~0#1| 1)} assume !(0 != main_~P1~0#1);main_~method_id~0#1 := 3; {18192#(<= |ULTIMATE.start_main_~this_expect~0#1| 1)} is VALID [2022-02-20 16:07:36,563 INFO L290 TraceCheckUtils]: 25: Hoare triple {18192#(<= |ULTIMATE.start_main_~this_expect~0#1| 1)} assume !((1 == main_~this_buffer_empty~0#1 && !(0 != main_~P3~0#1)) || ((main_~P3~0#1 != (if main_~this_expect~0#1 - 1 < 0 && 0 != (main_~this_expect~0#1 - 1) % 2 then (main_~this_expect~0#1 - 1) % 2 - 2 else (main_~this_expect~0#1 - 1) % 2) && 1 != main_~this_buffer_empty~0#1) && !(0 != main_~P3~0#1)));main_~q~0#1 := 4;main_~this_expect~0#1 := main_~this_expect~0#1;main_~this_buffer_empty~0#1 := 1 - main_~this_buffer_empty~0#1; {18192#(<= |ULTIMATE.start_main_~this_expect~0#1| 1)} is VALID [2022-02-20 16:07:36,563 INFO L290 TraceCheckUtils]: 26: Hoare triple {18192#(<= |ULTIMATE.start_main_~this_expect~0#1| 1)} assume !false;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_~P1~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647;main_~P2~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647;main_~P3~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;assume -2147483648 <= main_#t~nondet7#1 && main_#t~nondet7#1 <= 2147483647;main_~P4~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;assume -2147483648 <= main_#t~nondet8#1 && main_#t~nondet8#1 <= 2147483647;main_~P5~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647;main_~P6~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1;assume -2147483648 <= main_#t~nondet10#1 && main_#t~nondet10#1 <= 2147483647;main_~P7~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;assume -2147483648 <= main_#t~nondet11#1 && main_#t~nondet11#1 <= 2147483647;main_~P8~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;assume -2147483648 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 2147483647;main_~P9~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; {18192#(<= |ULTIMATE.start_main_~this_expect~0#1| 1)} is VALID [2022-02-20 16:07:36,563 INFO L290 TraceCheckUtils]: 27: Hoare triple {18192#(<= |ULTIMATE.start_main_~this_expect~0#1| 1)} assume !(main_~this_expect~0#1 > 16); {18192#(<= |ULTIMATE.start_main_~this_expect~0#1| 1)} is VALID [2022-02-20 16:07:36,564 INFO L290 TraceCheckUtils]: 28: Hoare triple {18192#(<= |ULTIMATE.start_main_~this_expect~0#1| 1)} assume !(0 == main_~q~0#1); {18192#(<= |ULTIMATE.start_main_~this_expect~0#1| 1)} is VALID [2022-02-20 16:07:36,564 INFO L290 TraceCheckUtils]: 29: Hoare triple {18192#(<= |ULTIMATE.start_main_~this_expect~0#1| 1)} assume !(1 == main_~q~0#1); {18192#(<= |ULTIMATE.start_main_~this_expect~0#1| 1)} is VALID [2022-02-20 16:07:36,564 INFO L290 TraceCheckUtils]: 30: Hoare triple {18192#(<= |ULTIMATE.start_main_~this_expect~0#1| 1)} assume !(2 == main_~q~0#1); {18192#(<= |ULTIMATE.start_main_~this_expect~0#1| 1)} is VALID [2022-02-20 16:07:36,565 INFO L290 TraceCheckUtils]: 31: Hoare triple {18192#(<= |ULTIMATE.start_main_~this_expect~0#1| 1)} assume !(3 == main_~q~0#1); {18192#(<= |ULTIMATE.start_main_~this_expect~0#1| 1)} is VALID [2022-02-20 16:07:36,565 INFO L290 TraceCheckUtils]: 32: Hoare triple {18192#(<= |ULTIMATE.start_main_~this_expect~0#1| 1)} assume 4 == main_~q~0#1;assume -2147483648 <= main_#t~nondet32#1 && main_#t~nondet32#1 <= 2147483647; {18192#(<= |ULTIMATE.start_main_~this_expect~0#1| 1)} is VALID [2022-02-20 16:07:36,565 INFO L290 TraceCheckUtils]: 33: Hoare triple {18192#(<= |ULTIMATE.start_main_~this_expect~0#1| 1)} assume !(0 != main_#t~nondet32#1);havoc main_#t~nondet32#1;assume -2147483648 <= main_#t~nondet33#1 && main_#t~nondet33#1 <= 2147483647; {18192#(<= |ULTIMATE.start_main_~this_expect~0#1| 1)} is VALID [2022-02-20 16:07:36,565 INFO L290 TraceCheckUtils]: 34: Hoare triple {18192#(<= |ULTIMATE.start_main_~this_expect~0#1| 1)} assume !(0 != main_#t~nondet33#1);havoc main_#t~nondet33#1;assume -2147483648 <= main_#t~nondet34#1 && main_#t~nondet34#1 <= 2147483647; {18192#(<= |ULTIMATE.start_main_~this_expect~0#1| 1)} is VALID [2022-02-20 16:07:36,566 INFO L290 TraceCheckUtils]: 35: Hoare triple {18192#(<= |ULTIMATE.start_main_~this_expect~0#1| 1)} assume !(0 != main_#t~nondet34#1);havoc main_#t~nondet34#1;assume -2147483648 <= main_#t~nondet35#1 && main_#t~nondet35#1 <= 2147483647; {18192#(<= |ULTIMATE.start_main_~this_expect~0#1| 1)} is VALID [2022-02-20 16:07:36,566 INFO L290 TraceCheckUtils]: 36: Hoare triple {18192#(<= |ULTIMATE.start_main_~this_expect~0#1| 1)} assume 0 != main_#t~nondet35#1;havoc main_#t~nondet35#1; {18192#(<= |ULTIMATE.start_main_~this_expect~0#1| 1)} is VALID [2022-02-20 16:07:36,566 INFO L290 TraceCheckUtils]: 37: Hoare triple {18192#(<= |ULTIMATE.start_main_~this_expect~0#1| 1)} assume 0 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2) && !(1 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2) && 0 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2));main_~method_id~0#1 := 5; {18192#(<= |ULTIMATE.start_main_~this_expect~0#1| 1)} is VALID [2022-02-20 16:07:36,567 INFO L290 TraceCheckUtils]: 38: Hoare triple {18192#(<= |ULTIMATE.start_main_~this_expect~0#1| 1)} assume !(((((if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2) != (if main_~this_expect~0#1 < 0 && 0 != main_~this_expect~0#1 % 2 then main_~this_expect~0#1 % 2 - 2 else main_~this_expect~0#1 % 2) && 1 == main_~this_buffer_empty~0#1) && 0 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2)) && 0 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2) && !(1 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2) && 0 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2))) || ((1 != main_~this_buffer_empty~0#1 && 0 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2)) && 0 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2) && !(1 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2) && 0 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2))));main_~q~0#1 := 5;main_~this_expect~0#1 := 1 + main_~this_expect~0#1;main_~this_buffer_empty~0#1 := 1 - main_~this_buffer_empty~0#1; {18193#(<= |ULTIMATE.start_main_~this_expect~0#1| 2)} is VALID [2022-02-20 16:07:36,567 INFO L290 TraceCheckUtils]: 39: Hoare triple {18193#(<= |ULTIMATE.start_main_~this_expect~0#1| 2)} assume !false;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_~P1~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647;main_~P2~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647;main_~P3~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;assume -2147483648 <= main_#t~nondet7#1 && main_#t~nondet7#1 <= 2147483647;main_~P4~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;assume -2147483648 <= main_#t~nondet8#1 && main_#t~nondet8#1 <= 2147483647;main_~P5~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647;main_~P6~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1;assume -2147483648 <= main_#t~nondet10#1 && main_#t~nondet10#1 <= 2147483647;main_~P7~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;assume -2147483648 <= main_#t~nondet11#1 && main_#t~nondet11#1 <= 2147483647;main_~P8~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;assume -2147483648 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 2147483647;main_~P9~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; {18193#(<= |ULTIMATE.start_main_~this_expect~0#1| 2)} is VALID [2022-02-20 16:07:36,568 INFO L290 TraceCheckUtils]: 40: Hoare triple {18193#(<= |ULTIMATE.start_main_~this_expect~0#1| 2)} assume main_~this_expect~0#1 > 16;main_~this_expect~0#1 := -16; {18190#false} is VALID [2022-02-20 16:07:36,568 INFO L290 TraceCheckUtils]: 41: Hoare triple {18190#false} assume !(0 == main_~q~0#1); {18190#false} is VALID [2022-02-20 16:07:36,568 INFO L290 TraceCheckUtils]: 42: Hoare triple {18190#false} assume !(1 == main_~q~0#1); {18190#false} is VALID [2022-02-20 16:07:36,568 INFO L290 TraceCheckUtils]: 43: Hoare triple {18190#false} assume !(2 == main_~q~0#1); {18190#false} is VALID [2022-02-20 16:07:36,568 INFO L290 TraceCheckUtils]: 44: Hoare triple {18190#false} assume !(3 == main_~q~0#1); {18190#false} is VALID [2022-02-20 16:07:36,568 INFO L290 TraceCheckUtils]: 45: Hoare triple {18190#false} assume !(4 == main_~q~0#1); {18190#false} is VALID [2022-02-20 16:07:36,568 INFO L290 TraceCheckUtils]: 46: Hoare triple {18190#false} assume 5 == main_~q~0#1;assume -2147483648 <= main_#t~nondet38#1 && main_#t~nondet38#1 <= 2147483647; {18190#false} is VALID [2022-02-20 16:07:36,568 INFO L290 TraceCheckUtils]: 47: Hoare triple {18190#false} assume !(0 != main_#t~nondet38#1);havoc main_#t~nondet38#1;assume -2147483648 <= main_#t~nondet39#1 && main_#t~nondet39#1 <= 2147483647; {18190#false} is VALID [2022-02-20 16:07:36,568 INFO L290 TraceCheckUtils]: 48: Hoare triple {18190#false} assume !(0 != main_#t~nondet39#1);havoc main_#t~nondet39#1;assume -2147483648 <= main_#t~nondet40#1 && main_#t~nondet40#1 <= 2147483647; {18190#false} is VALID [2022-02-20 16:07:36,568 INFO L290 TraceCheckUtils]: 49: Hoare triple {18190#false} assume !(0 != main_#t~nondet40#1);havoc main_#t~nondet40#1;assume -2147483648 <= main_#t~nondet41#1 && main_#t~nondet41#1 <= 2147483647; {18190#false} is VALID [2022-02-20 16:07:36,569 INFO L290 TraceCheckUtils]: 50: Hoare triple {18190#false} assume !(0 != main_#t~nondet41#1);havoc main_#t~nondet41#1;assume -2147483648 <= main_#t~nondet42#1 && main_#t~nondet42#1 <= 2147483647; {18190#false} is VALID [2022-02-20 16:07:36,569 INFO L290 TraceCheckUtils]: 51: Hoare triple {18190#false} assume 0 != main_#t~nondet42#1;havoc main_#t~nondet42#1; {18190#false} is VALID [2022-02-20 16:07:36,569 INFO L290 TraceCheckUtils]: 52: Hoare triple {18190#false} assume 0 != main_~P1~0#1 && 1 != main_~P1~0#1 && 0 != main_~P1~0#1;main_~method_id~0#1 := 6; {18190#false} is VALID [2022-02-20 16:07:36,569 INFO L290 TraceCheckUtils]: 53: Hoare triple {18190#false} assume ((main_~P8~0#1 == (if main_~this_expect~0#1 - 1 < 0 && 0 != (main_~this_expect~0#1 - 1) % 2 then (main_~this_expect~0#1 - 1) % 2 - 2 else (main_~this_expect~0#1 - 1) % 2) && 1 != main_~this_buffer_empty~0#1) && 0 != main_~P8~0#1) && 0 != main_~P8~0#1 && 1 != main_~P8~0#1 && 0 != main_~P8~0#1; {18190#false} is VALID [2022-02-20 16:07:36,569 INFO L290 TraceCheckUtils]: 54: Hoare triple {18190#false} assume !false; {18190#false} is VALID [2022-02-20 16:07:36,569 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 23 proven. 14 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-02-20 16:07:36,569 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 16:07:36,570 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [933365545] [2022-02-20 16:07:36,570 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [933365545] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-20 16:07:36,570 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [446585611] [2022-02-20 16:07:36,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 16:07:36,570 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 16:07:36,570 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 16:07:36,590 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-20 16:07:36,591 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-02-20 16:07:36,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 16:07:36,676 INFO L263 TraceCheckSpWp]: Trace formula consists of 357 conjuncts, 5 conjunts are in the unsatisfiable core [2022-02-20 16:07:36,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 16:07:36,690 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-20 16:07:36,861 INFO L290 TraceCheckUtils]: 0: Hoare triple {18189#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(16, 2);call #Ultimate.allocInit(12, 3);~m_Protocol~0 := 1;~m_msg_2~0 := 2;~m_recv_ack_2~0 := 3;~m_msg_1_1~0 := 4;~m_msg_1_2~0 := 5;~m_recv_ack_1_1~0 := 6;~m_recv_ack_1_2~0 := 7; {18189#true} is VALID [2022-02-20 16:07:36,862 INFO L290 TraceCheckUtils]: 1: Hoare triple {18189#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~nondet5#1, main_#t~nondet6#1, main_#t~nondet7#1, main_#t~nondet8#1, main_#t~nondet9#1, main_#t~nondet10#1, main_#t~nondet11#1, main_#t~nondet12#1, main_#t~nondet13#1, main_#t~nondet14#1, main_#t~nondet15#1, main_#t~nondet16#1, main_#t~nondet17#1, main_#t~nondet18#1, main_#t~nondet19#1, main_#t~nondet20#1, main_#t~nondet21#1, main_#t~nondet22#1, main_#t~nondet23#1, main_#t~nondet24#1, main_#t~nondet25#1, main_#t~nondet26#1, main_#t~nondet27#1, main_#t~nondet28#1, main_#t~nondet29#1, main_#t~nondet30#1, main_#t~nondet31#1, main_#t~nondet32#1, main_#t~nondet33#1, main_#t~nondet34#1, main_#t~nondet35#1, main_#t~nondet36#1, main_#t~nondet37#1, main_#t~nondet38#1, main_#t~nondet39#1, main_#t~nondet40#1, main_#t~nondet41#1, main_#t~nondet42#1, main_#t~nondet43#1, main_~P1~0#1, main_~P2~0#1, main_~P3~0#1, main_~P4~0#1, main_~P5~0#1, main_~P6~0#1, main_~P7~0#1, main_~P8~0#1, main_~P9~0#1, main_~q~0#1, main_~method_id~0#1, main_~this_expect~0#1, main_~this_buffer_empty~0#1;main_~q~0#1 := 0;havoc main_~method_id~0#1;main_~this_expect~0#1 := 0;main_~this_buffer_empty~0#1 := 0; {18189#true} is VALID [2022-02-20 16:07:36,862 INFO L290 TraceCheckUtils]: 2: Hoare triple {18189#true} goto; {18189#true} is VALID [2022-02-20 16:07:36,862 INFO L290 TraceCheckUtils]: 3: Hoare triple {18189#true} assume !false;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_~P1~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647;main_~P2~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647;main_~P3~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;assume -2147483648 <= main_#t~nondet7#1 && main_#t~nondet7#1 <= 2147483647;main_~P4~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;assume -2147483648 <= main_#t~nondet8#1 && main_#t~nondet8#1 <= 2147483647;main_~P5~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647;main_~P6~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1;assume -2147483648 <= main_#t~nondet10#1 && main_#t~nondet10#1 <= 2147483647;main_~P7~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;assume -2147483648 <= main_#t~nondet11#1 && main_#t~nondet11#1 <= 2147483647;main_~P8~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;assume -2147483648 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 2147483647;main_~P9~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; {18189#true} is VALID [2022-02-20 16:07:36,862 INFO L290 TraceCheckUtils]: 4: Hoare triple {18189#true} assume !(main_~this_expect~0#1 > 16); {18189#true} is VALID [2022-02-20 16:07:36,862 INFO L290 TraceCheckUtils]: 5: Hoare triple {18189#true} assume 0 == main_~q~0#1;assume -2147483648 <= main_#t~nondet13#1 && main_#t~nondet13#1 <= 2147483647; {18189#true} is VALID [2022-02-20 16:07:36,862 INFO L290 TraceCheckUtils]: 6: Hoare triple {18189#true} assume 0 != main_#t~nondet13#1;havoc main_#t~nondet13#1; {18189#true} is VALID [2022-02-20 16:07:36,862 INFO L290 TraceCheckUtils]: 7: Hoare triple {18189#true} main_~method_id~0#1 := 1; {18189#true} is VALID [2022-02-20 16:07:36,863 INFO L290 TraceCheckUtils]: 8: Hoare triple {18189#true} assume !false;main_~q~0#1 := 1;main_~this_expect~0#1 := 0;main_~this_buffer_empty~0#1 := 1; {18221#(<= |ULTIMATE.start_main_~this_expect~0#1| 0)} is VALID [2022-02-20 16:07:36,863 INFO L290 TraceCheckUtils]: 9: Hoare triple {18221#(<= |ULTIMATE.start_main_~this_expect~0#1| 0)} assume !false;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_~P1~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647;main_~P2~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647;main_~P3~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;assume -2147483648 <= main_#t~nondet7#1 && main_#t~nondet7#1 <= 2147483647;main_~P4~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;assume -2147483648 <= main_#t~nondet8#1 && main_#t~nondet8#1 <= 2147483647;main_~P5~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647;main_~P6~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1;assume -2147483648 <= main_#t~nondet10#1 && main_#t~nondet10#1 <= 2147483647;main_~P7~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;assume -2147483648 <= main_#t~nondet11#1 && main_#t~nondet11#1 <= 2147483647;main_~P8~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;assume -2147483648 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 2147483647;main_~P9~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; {18221#(<= |ULTIMATE.start_main_~this_expect~0#1| 0)} is VALID [2022-02-20 16:07:36,863 INFO L290 TraceCheckUtils]: 10: Hoare triple {18221#(<= |ULTIMATE.start_main_~this_expect~0#1| 0)} assume !(main_~this_expect~0#1 > 16); {18221#(<= |ULTIMATE.start_main_~this_expect~0#1| 0)} is VALID [2022-02-20 16:07:36,864 INFO L290 TraceCheckUtils]: 11: Hoare triple {18221#(<= |ULTIMATE.start_main_~this_expect~0#1| 0)} assume !(0 == main_~q~0#1); {18221#(<= |ULTIMATE.start_main_~this_expect~0#1| 0)} is VALID [2022-02-20 16:07:36,864 INFO L290 TraceCheckUtils]: 12: Hoare triple {18221#(<= |ULTIMATE.start_main_~this_expect~0#1| 0)} assume 1 == main_~q~0#1;assume -2147483648 <= main_#t~nondet14#1 && main_#t~nondet14#1 <= 2147483647; {18221#(<= |ULTIMATE.start_main_~this_expect~0#1| 0)} is VALID [2022-02-20 16:07:36,864 INFO L290 TraceCheckUtils]: 13: Hoare triple {18221#(<= |ULTIMATE.start_main_~this_expect~0#1| 0)} assume 0 != main_#t~nondet14#1;havoc main_#t~nondet14#1; {18221#(<= |ULTIMATE.start_main_~this_expect~0#1| 0)} is VALID [2022-02-20 16:07:36,865 INFO L290 TraceCheckUtils]: 14: Hoare triple {18221#(<= |ULTIMATE.start_main_~this_expect~0#1| 0)} assume !(0 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2));main_~method_id~0#1 := 2; {18221#(<= |ULTIMATE.start_main_~this_expect~0#1| 0)} is VALID [2022-02-20 16:07:36,865 INFO L290 TraceCheckUtils]: 15: Hoare triple {18221#(<= |ULTIMATE.start_main_~this_expect~0#1| 0)} assume !((((if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2) != (if main_~this_expect~0#1 < 0 && 0 != main_~this_expect~0#1 % 2 then main_~this_expect~0#1 % 2 - 2 else main_~this_expect~0#1 % 2) && 1 == main_~this_buffer_empty~0#1) && !(0 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2))) || (1 != main_~this_buffer_empty~0#1 && !(0 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2))));main_~q~0#1 := 3;main_~this_expect~0#1 := 1 + main_~this_expect~0#1;main_~this_buffer_empty~0#1 := 1 - main_~this_buffer_empty~0#1; {18192#(<= |ULTIMATE.start_main_~this_expect~0#1| 1)} is VALID [2022-02-20 16:07:36,866 INFO L290 TraceCheckUtils]: 16: Hoare triple {18192#(<= |ULTIMATE.start_main_~this_expect~0#1| 1)} assume !false;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_~P1~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647;main_~P2~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647;main_~P3~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;assume -2147483648 <= main_#t~nondet7#1 && main_#t~nondet7#1 <= 2147483647;main_~P4~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;assume -2147483648 <= main_#t~nondet8#1 && main_#t~nondet8#1 <= 2147483647;main_~P5~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647;main_~P6~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1;assume -2147483648 <= main_#t~nondet10#1 && main_#t~nondet10#1 <= 2147483647;main_~P7~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;assume -2147483648 <= main_#t~nondet11#1 && main_#t~nondet11#1 <= 2147483647;main_~P8~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;assume -2147483648 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 2147483647;main_~P9~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; {18192#(<= |ULTIMATE.start_main_~this_expect~0#1| 1)} is VALID [2022-02-20 16:07:36,866 INFO L290 TraceCheckUtils]: 17: Hoare triple {18192#(<= |ULTIMATE.start_main_~this_expect~0#1| 1)} assume !(main_~this_expect~0#1 > 16); {18192#(<= |ULTIMATE.start_main_~this_expect~0#1| 1)} is VALID [2022-02-20 16:07:36,866 INFO L290 TraceCheckUtils]: 18: Hoare triple {18192#(<= |ULTIMATE.start_main_~this_expect~0#1| 1)} assume !(0 == main_~q~0#1); {18192#(<= |ULTIMATE.start_main_~this_expect~0#1| 1)} is VALID [2022-02-20 16:07:36,867 INFO L290 TraceCheckUtils]: 19: Hoare triple {18192#(<= |ULTIMATE.start_main_~this_expect~0#1| 1)} assume !(1 == main_~q~0#1); {18192#(<= |ULTIMATE.start_main_~this_expect~0#1| 1)} is VALID [2022-02-20 16:07:36,867 INFO L290 TraceCheckUtils]: 20: Hoare triple {18192#(<= |ULTIMATE.start_main_~this_expect~0#1| 1)} assume !(2 == main_~q~0#1); {18192#(<= |ULTIMATE.start_main_~this_expect~0#1| 1)} is VALID [2022-02-20 16:07:36,867 INFO L290 TraceCheckUtils]: 21: Hoare triple {18192#(<= |ULTIMATE.start_main_~this_expect~0#1| 1)} assume 3 == main_~q~0#1;assume -2147483648 <= main_#t~nondet26#1 && main_#t~nondet26#1 <= 2147483647; {18192#(<= |ULTIMATE.start_main_~this_expect~0#1| 1)} is VALID [2022-02-20 16:07:36,868 INFO L290 TraceCheckUtils]: 22: Hoare triple {18192#(<= |ULTIMATE.start_main_~this_expect~0#1| 1)} assume !(0 != main_#t~nondet26#1);havoc main_#t~nondet26#1;assume -2147483648 <= main_#t~nondet27#1 && main_#t~nondet27#1 <= 2147483647; {18192#(<= |ULTIMATE.start_main_~this_expect~0#1| 1)} is VALID [2022-02-20 16:07:36,868 INFO L290 TraceCheckUtils]: 23: Hoare triple {18192#(<= |ULTIMATE.start_main_~this_expect~0#1| 1)} assume 0 != main_#t~nondet27#1;havoc main_#t~nondet27#1; {18192#(<= |ULTIMATE.start_main_~this_expect~0#1| 1)} is VALID [2022-02-20 16:07:36,868 INFO L290 TraceCheckUtils]: 24: Hoare triple {18192#(<= |ULTIMATE.start_main_~this_expect~0#1| 1)} assume !(0 != main_~P1~0#1);main_~method_id~0#1 := 3; {18192#(<= |ULTIMATE.start_main_~this_expect~0#1| 1)} is VALID [2022-02-20 16:07:36,869 INFO L290 TraceCheckUtils]: 25: Hoare triple {18192#(<= |ULTIMATE.start_main_~this_expect~0#1| 1)} assume !((1 == main_~this_buffer_empty~0#1 && !(0 != main_~P3~0#1)) || ((main_~P3~0#1 != (if main_~this_expect~0#1 - 1 < 0 && 0 != (main_~this_expect~0#1 - 1) % 2 then (main_~this_expect~0#1 - 1) % 2 - 2 else (main_~this_expect~0#1 - 1) % 2) && 1 != main_~this_buffer_empty~0#1) && !(0 != main_~P3~0#1)));main_~q~0#1 := 4;main_~this_expect~0#1 := main_~this_expect~0#1;main_~this_buffer_empty~0#1 := 1 - main_~this_buffer_empty~0#1; {18192#(<= |ULTIMATE.start_main_~this_expect~0#1| 1)} is VALID [2022-02-20 16:07:36,869 INFO L290 TraceCheckUtils]: 26: Hoare triple {18192#(<= |ULTIMATE.start_main_~this_expect~0#1| 1)} assume !false;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_~P1~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647;main_~P2~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647;main_~P3~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;assume -2147483648 <= main_#t~nondet7#1 && main_#t~nondet7#1 <= 2147483647;main_~P4~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;assume -2147483648 <= main_#t~nondet8#1 && main_#t~nondet8#1 <= 2147483647;main_~P5~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647;main_~P6~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1;assume -2147483648 <= main_#t~nondet10#1 && main_#t~nondet10#1 <= 2147483647;main_~P7~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;assume -2147483648 <= main_#t~nondet11#1 && main_#t~nondet11#1 <= 2147483647;main_~P8~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;assume -2147483648 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 2147483647;main_~P9~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; {18192#(<= |ULTIMATE.start_main_~this_expect~0#1| 1)} is VALID [2022-02-20 16:07:36,869 INFO L290 TraceCheckUtils]: 27: Hoare triple {18192#(<= |ULTIMATE.start_main_~this_expect~0#1| 1)} assume !(main_~this_expect~0#1 > 16); {18192#(<= |ULTIMATE.start_main_~this_expect~0#1| 1)} is VALID [2022-02-20 16:07:36,870 INFO L290 TraceCheckUtils]: 28: Hoare triple {18192#(<= |ULTIMATE.start_main_~this_expect~0#1| 1)} assume !(0 == main_~q~0#1); {18192#(<= |ULTIMATE.start_main_~this_expect~0#1| 1)} is VALID [2022-02-20 16:07:36,870 INFO L290 TraceCheckUtils]: 29: Hoare triple {18192#(<= |ULTIMATE.start_main_~this_expect~0#1| 1)} assume !(1 == main_~q~0#1); {18192#(<= |ULTIMATE.start_main_~this_expect~0#1| 1)} is VALID [2022-02-20 16:07:36,870 INFO L290 TraceCheckUtils]: 30: Hoare triple {18192#(<= |ULTIMATE.start_main_~this_expect~0#1| 1)} assume !(2 == main_~q~0#1); {18192#(<= |ULTIMATE.start_main_~this_expect~0#1| 1)} is VALID [2022-02-20 16:07:36,871 INFO L290 TraceCheckUtils]: 31: Hoare triple {18192#(<= |ULTIMATE.start_main_~this_expect~0#1| 1)} assume !(3 == main_~q~0#1); {18192#(<= |ULTIMATE.start_main_~this_expect~0#1| 1)} is VALID [2022-02-20 16:07:36,871 INFO L290 TraceCheckUtils]: 32: Hoare triple {18192#(<= |ULTIMATE.start_main_~this_expect~0#1| 1)} assume 4 == main_~q~0#1;assume -2147483648 <= main_#t~nondet32#1 && main_#t~nondet32#1 <= 2147483647; {18192#(<= |ULTIMATE.start_main_~this_expect~0#1| 1)} is VALID [2022-02-20 16:07:36,871 INFO L290 TraceCheckUtils]: 33: Hoare triple {18192#(<= |ULTIMATE.start_main_~this_expect~0#1| 1)} assume !(0 != main_#t~nondet32#1);havoc main_#t~nondet32#1;assume -2147483648 <= main_#t~nondet33#1 && main_#t~nondet33#1 <= 2147483647; {18192#(<= |ULTIMATE.start_main_~this_expect~0#1| 1)} is VALID [2022-02-20 16:07:36,872 INFO L290 TraceCheckUtils]: 34: Hoare triple {18192#(<= |ULTIMATE.start_main_~this_expect~0#1| 1)} assume !(0 != main_#t~nondet33#1);havoc main_#t~nondet33#1;assume -2147483648 <= main_#t~nondet34#1 && main_#t~nondet34#1 <= 2147483647; {18192#(<= |ULTIMATE.start_main_~this_expect~0#1| 1)} is VALID [2022-02-20 16:07:36,872 INFO L290 TraceCheckUtils]: 35: Hoare triple {18192#(<= |ULTIMATE.start_main_~this_expect~0#1| 1)} assume !(0 != main_#t~nondet34#1);havoc main_#t~nondet34#1;assume -2147483648 <= main_#t~nondet35#1 && main_#t~nondet35#1 <= 2147483647; {18192#(<= |ULTIMATE.start_main_~this_expect~0#1| 1)} is VALID [2022-02-20 16:07:36,872 INFO L290 TraceCheckUtils]: 36: Hoare triple {18192#(<= |ULTIMATE.start_main_~this_expect~0#1| 1)} assume 0 != main_#t~nondet35#1;havoc main_#t~nondet35#1; {18192#(<= |ULTIMATE.start_main_~this_expect~0#1| 1)} is VALID [2022-02-20 16:07:36,872 INFO L290 TraceCheckUtils]: 37: Hoare triple {18192#(<= |ULTIMATE.start_main_~this_expect~0#1| 1)} assume 0 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2) && !(1 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2) && 0 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2));main_~method_id~0#1 := 5; {18192#(<= |ULTIMATE.start_main_~this_expect~0#1| 1)} is VALID [2022-02-20 16:07:36,873 INFO L290 TraceCheckUtils]: 38: Hoare triple {18192#(<= |ULTIMATE.start_main_~this_expect~0#1| 1)} assume !(((((if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2) != (if main_~this_expect~0#1 < 0 && 0 != main_~this_expect~0#1 % 2 then main_~this_expect~0#1 % 2 - 2 else main_~this_expect~0#1 % 2) && 1 == main_~this_buffer_empty~0#1) && 0 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2)) && 0 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2) && !(1 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2) && 0 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2))) || ((1 != main_~this_buffer_empty~0#1 && 0 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2)) && 0 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2) && !(1 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2) && 0 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2))));main_~q~0#1 := 5;main_~this_expect~0#1 := 1 + main_~this_expect~0#1;main_~this_buffer_empty~0#1 := 1 - main_~this_buffer_empty~0#1; {18193#(<= |ULTIMATE.start_main_~this_expect~0#1| 2)} is VALID [2022-02-20 16:07:36,874 INFO L290 TraceCheckUtils]: 39: Hoare triple {18193#(<= |ULTIMATE.start_main_~this_expect~0#1| 2)} assume !false;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_~P1~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647;main_~P2~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647;main_~P3~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;assume -2147483648 <= main_#t~nondet7#1 && main_#t~nondet7#1 <= 2147483647;main_~P4~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;assume -2147483648 <= main_#t~nondet8#1 && main_#t~nondet8#1 <= 2147483647;main_~P5~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647;main_~P6~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1;assume -2147483648 <= main_#t~nondet10#1 && main_#t~nondet10#1 <= 2147483647;main_~P7~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;assume -2147483648 <= main_#t~nondet11#1 && main_#t~nondet11#1 <= 2147483647;main_~P8~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;assume -2147483648 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 2147483647;main_~P9~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; {18193#(<= |ULTIMATE.start_main_~this_expect~0#1| 2)} is VALID [2022-02-20 16:07:36,874 INFO L290 TraceCheckUtils]: 40: Hoare triple {18193#(<= |ULTIMATE.start_main_~this_expect~0#1| 2)} assume main_~this_expect~0#1 > 16;main_~this_expect~0#1 := -16; {18190#false} is VALID [2022-02-20 16:07:36,874 INFO L290 TraceCheckUtils]: 41: Hoare triple {18190#false} assume !(0 == main_~q~0#1); {18190#false} is VALID [2022-02-20 16:07:36,874 INFO L290 TraceCheckUtils]: 42: Hoare triple {18190#false} assume !(1 == main_~q~0#1); {18190#false} is VALID [2022-02-20 16:07:36,874 INFO L290 TraceCheckUtils]: 43: Hoare triple {18190#false} assume !(2 == main_~q~0#1); {18190#false} is VALID [2022-02-20 16:07:36,874 INFO L290 TraceCheckUtils]: 44: Hoare triple {18190#false} assume !(3 == main_~q~0#1); {18190#false} is VALID [2022-02-20 16:07:36,874 INFO L290 TraceCheckUtils]: 45: Hoare triple {18190#false} assume !(4 == main_~q~0#1); {18190#false} is VALID [2022-02-20 16:07:36,875 INFO L290 TraceCheckUtils]: 46: Hoare triple {18190#false} assume 5 == main_~q~0#1;assume -2147483648 <= main_#t~nondet38#1 && main_#t~nondet38#1 <= 2147483647; {18190#false} is VALID [2022-02-20 16:07:36,875 INFO L290 TraceCheckUtils]: 47: Hoare triple {18190#false} assume !(0 != main_#t~nondet38#1);havoc main_#t~nondet38#1;assume -2147483648 <= main_#t~nondet39#1 && main_#t~nondet39#1 <= 2147483647; {18190#false} is VALID [2022-02-20 16:07:36,875 INFO L290 TraceCheckUtils]: 48: Hoare triple {18190#false} assume !(0 != main_#t~nondet39#1);havoc main_#t~nondet39#1;assume -2147483648 <= main_#t~nondet40#1 && main_#t~nondet40#1 <= 2147483647; {18190#false} is VALID [2022-02-20 16:07:36,875 INFO L290 TraceCheckUtils]: 49: Hoare triple {18190#false} assume !(0 != main_#t~nondet40#1);havoc main_#t~nondet40#1;assume -2147483648 <= main_#t~nondet41#1 && main_#t~nondet41#1 <= 2147483647; {18190#false} is VALID [2022-02-20 16:07:36,875 INFO L290 TraceCheckUtils]: 50: Hoare triple {18190#false} assume !(0 != main_#t~nondet41#1);havoc main_#t~nondet41#1;assume -2147483648 <= main_#t~nondet42#1 && main_#t~nondet42#1 <= 2147483647; {18190#false} is VALID [2022-02-20 16:07:36,875 INFO L290 TraceCheckUtils]: 51: Hoare triple {18190#false} assume 0 != main_#t~nondet42#1;havoc main_#t~nondet42#1; {18190#false} is VALID [2022-02-20 16:07:36,875 INFO L290 TraceCheckUtils]: 52: Hoare triple {18190#false} assume 0 != main_~P1~0#1 && 1 != main_~P1~0#1 && 0 != main_~P1~0#1;main_~method_id~0#1 := 6; {18190#false} is VALID [2022-02-20 16:07:36,875 INFO L290 TraceCheckUtils]: 53: Hoare triple {18190#false} assume ((main_~P8~0#1 == (if main_~this_expect~0#1 - 1 < 0 && 0 != (main_~this_expect~0#1 - 1) % 2 then (main_~this_expect~0#1 - 1) % 2 - 2 else (main_~this_expect~0#1 - 1) % 2) && 1 != main_~this_buffer_empty~0#1) && 0 != main_~P8~0#1) && 0 != main_~P8~0#1 && 1 != main_~P8~0#1 && 0 != main_~P8~0#1; {18190#false} is VALID [2022-02-20 16:07:36,875 INFO L290 TraceCheckUtils]: 54: Hoare triple {18190#false} assume !false; {18190#false} is VALID [2022-02-20 16:07:36,876 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 23 proven. 14 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-02-20 16:07:36,876 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-20 16:07:37,073 INFO L290 TraceCheckUtils]: 54: Hoare triple {18190#false} assume !false; {18190#false} is VALID [2022-02-20 16:07:37,073 INFO L290 TraceCheckUtils]: 53: Hoare triple {18190#false} assume ((main_~P8~0#1 == (if main_~this_expect~0#1 - 1 < 0 && 0 != (main_~this_expect~0#1 - 1) % 2 then (main_~this_expect~0#1 - 1) % 2 - 2 else (main_~this_expect~0#1 - 1) % 2) && 1 != main_~this_buffer_empty~0#1) && 0 != main_~P8~0#1) && 0 != main_~P8~0#1 && 1 != main_~P8~0#1 && 0 != main_~P8~0#1; {18190#false} is VALID [2022-02-20 16:07:37,073 INFO L290 TraceCheckUtils]: 52: Hoare triple {18190#false} assume 0 != main_~P1~0#1 && 1 != main_~P1~0#1 && 0 != main_~P1~0#1;main_~method_id~0#1 := 6; {18190#false} is VALID [2022-02-20 16:07:37,073 INFO L290 TraceCheckUtils]: 51: Hoare triple {18190#false} assume 0 != main_#t~nondet42#1;havoc main_#t~nondet42#1; {18190#false} is VALID [2022-02-20 16:07:37,073 INFO L290 TraceCheckUtils]: 50: Hoare triple {18190#false} assume !(0 != main_#t~nondet41#1);havoc main_#t~nondet41#1;assume -2147483648 <= main_#t~nondet42#1 && main_#t~nondet42#1 <= 2147483647; {18190#false} is VALID [2022-02-20 16:07:37,073 INFO L290 TraceCheckUtils]: 49: Hoare triple {18190#false} assume !(0 != main_#t~nondet40#1);havoc main_#t~nondet40#1;assume -2147483648 <= main_#t~nondet41#1 && main_#t~nondet41#1 <= 2147483647; {18190#false} is VALID [2022-02-20 16:07:37,074 INFO L290 TraceCheckUtils]: 48: Hoare triple {18190#false} assume !(0 != main_#t~nondet39#1);havoc main_#t~nondet39#1;assume -2147483648 <= main_#t~nondet40#1 && main_#t~nondet40#1 <= 2147483647; {18190#false} is VALID [2022-02-20 16:07:37,074 INFO L290 TraceCheckUtils]: 47: Hoare triple {18190#false} assume !(0 != main_#t~nondet38#1);havoc main_#t~nondet38#1;assume -2147483648 <= main_#t~nondet39#1 && main_#t~nondet39#1 <= 2147483647; {18190#false} is VALID [2022-02-20 16:07:37,074 INFO L290 TraceCheckUtils]: 46: Hoare triple {18190#false} assume 5 == main_~q~0#1;assume -2147483648 <= main_#t~nondet38#1 && main_#t~nondet38#1 <= 2147483647; {18190#false} is VALID [2022-02-20 16:07:37,074 INFO L290 TraceCheckUtils]: 45: Hoare triple {18190#false} assume !(4 == main_~q~0#1); {18190#false} is VALID [2022-02-20 16:07:37,074 INFO L290 TraceCheckUtils]: 44: Hoare triple {18190#false} assume !(3 == main_~q~0#1); {18190#false} is VALID [2022-02-20 16:07:37,074 INFO L290 TraceCheckUtils]: 43: Hoare triple {18190#false} assume !(2 == main_~q~0#1); {18190#false} is VALID [2022-02-20 16:07:37,074 INFO L290 TraceCheckUtils]: 42: Hoare triple {18190#false} assume !(1 == main_~q~0#1); {18190#false} is VALID [2022-02-20 16:07:37,074 INFO L290 TraceCheckUtils]: 41: Hoare triple {18190#false} assume !(0 == main_~q~0#1); {18190#false} is VALID [2022-02-20 16:07:37,075 INFO L290 TraceCheckUtils]: 40: Hoare triple {18402#(not (< 16 |ULTIMATE.start_main_~this_expect~0#1|))} assume main_~this_expect~0#1 > 16;main_~this_expect~0#1 := -16; {18190#false} is VALID [2022-02-20 16:07:37,075 INFO L290 TraceCheckUtils]: 39: Hoare triple {18402#(not (< 16 |ULTIMATE.start_main_~this_expect~0#1|))} assume !false;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_~P1~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647;main_~P2~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647;main_~P3~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;assume -2147483648 <= main_#t~nondet7#1 && main_#t~nondet7#1 <= 2147483647;main_~P4~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;assume -2147483648 <= main_#t~nondet8#1 && main_#t~nondet8#1 <= 2147483647;main_~P5~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647;main_~P6~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1;assume -2147483648 <= main_#t~nondet10#1 && main_#t~nondet10#1 <= 2147483647;main_~P7~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;assume -2147483648 <= main_#t~nondet11#1 && main_#t~nondet11#1 <= 2147483647;main_~P8~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;assume -2147483648 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 2147483647;main_~P9~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; {18402#(not (< 16 |ULTIMATE.start_main_~this_expect~0#1|))} is VALID [2022-02-20 16:07:37,076 INFO L290 TraceCheckUtils]: 38: Hoare triple {18409#(<= |ULTIMATE.start_main_~this_expect~0#1| 15)} assume !(((((if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2) != (if main_~this_expect~0#1 < 0 && 0 != main_~this_expect~0#1 % 2 then main_~this_expect~0#1 % 2 - 2 else main_~this_expect~0#1 % 2) && 1 == main_~this_buffer_empty~0#1) && 0 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2)) && 0 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2) && !(1 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2) && 0 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2))) || ((1 != main_~this_buffer_empty~0#1 && 0 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2)) && 0 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2) && !(1 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2) && 0 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2))));main_~q~0#1 := 5;main_~this_expect~0#1 := 1 + main_~this_expect~0#1;main_~this_buffer_empty~0#1 := 1 - main_~this_buffer_empty~0#1; {18402#(not (< 16 |ULTIMATE.start_main_~this_expect~0#1|))} is VALID [2022-02-20 16:07:37,076 INFO L290 TraceCheckUtils]: 37: Hoare triple {18409#(<= |ULTIMATE.start_main_~this_expect~0#1| 15)} assume 0 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2) && !(1 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2) && 0 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2));main_~method_id~0#1 := 5; {18409#(<= |ULTIMATE.start_main_~this_expect~0#1| 15)} is VALID [2022-02-20 16:07:37,076 INFO L290 TraceCheckUtils]: 36: Hoare triple {18409#(<= |ULTIMATE.start_main_~this_expect~0#1| 15)} assume 0 != main_#t~nondet35#1;havoc main_#t~nondet35#1; {18409#(<= |ULTIMATE.start_main_~this_expect~0#1| 15)} is VALID [2022-02-20 16:07:37,077 INFO L290 TraceCheckUtils]: 35: Hoare triple {18409#(<= |ULTIMATE.start_main_~this_expect~0#1| 15)} assume !(0 != main_#t~nondet34#1);havoc main_#t~nondet34#1;assume -2147483648 <= main_#t~nondet35#1 && main_#t~nondet35#1 <= 2147483647; {18409#(<= |ULTIMATE.start_main_~this_expect~0#1| 15)} is VALID [2022-02-20 16:07:37,077 INFO L290 TraceCheckUtils]: 34: Hoare triple {18409#(<= |ULTIMATE.start_main_~this_expect~0#1| 15)} assume !(0 != main_#t~nondet33#1);havoc main_#t~nondet33#1;assume -2147483648 <= main_#t~nondet34#1 && main_#t~nondet34#1 <= 2147483647; {18409#(<= |ULTIMATE.start_main_~this_expect~0#1| 15)} is VALID [2022-02-20 16:07:37,077 INFO L290 TraceCheckUtils]: 33: Hoare triple {18409#(<= |ULTIMATE.start_main_~this_expect~0#1| 15)} assume !(0 != main_#t~nondet32#1);havoc main_#t~nondet32#1;assume -2147483648 <= main_#t~nondet33#1 && main_#t~nondet33#1 <= 2147483647; {18409#(<= |ULTIMATE.start_main_~this_expect~0#1| 15)} is VALID [2022-02-20 16:07:37,078 INFO L290 TraceCheckUtils]: 32: Hoare triple {18409#(<= |ULTIMATE.start_main_~this_expect~0#1| 15)} assume 4 == main_~q~0#1;assume -2147483648 <= main_#t~nondet32#1 && main_#t~nondet32#1 <= 2147483647; {18409#(<= |ULTIMATE.start_main_~this_expect~0#1| 15)} is VALID [2022-02-20 16:07:37,078 INFO L290 TraceCheckUtils]: 31: Hoare triple {18409#(<= |ULTIMATE.start_main_~this_expect~0#1| 15)} assume !(3 == main_~q~0#1); {18409#(<= |ULTIMATE.start_main_~this_expect~0#1| 15)} is VALID [2022-02-20 16:07:37,078 INFO L290 TraceCheckUtils]: 30: Hoare triple {18409#(<= |ULTIMATE.start_main_~this_expect~0#1| 15)} assume !(2 == main_~q~0#1); {18409#(<= |ULTIMATE.start_main_~this_expect~0#1| 15)} is VALID [2022-02-20 16:07:37,078 INFO L290 TraceCheckUtils]: 29: Hoare triple {18409#(<= |ULTIMATE.start_main_~this_expect~0#1| 15)} assume !(1 == main_~q~0#1); {18409#(<= |ULTIMATE.start_main_~this_expect~0#1| 15)} is VALID [2022-02-20 16:07:37,079 INFO L290 TraceCheckUtils]: 28: Hoare triple {18409#(<= |ULTIMATE.start_main_~this_expect~0#1| 15)} assume !(0 == main_~q~0#1); {18409#(<= |ULTIMATE.start_main_~this_expect~0#1| 15)} is VALID [2022-02-20 16:07:37,079 INFO L290 TraceCheckUtils]: 27: Hoare triple {18409#(<= |ULTIMATE.start_main_~this_expect~0#1| 15)} assume !(main_~this_expect~0#1 > 16); {18409#(<= |ULTIMATE.start_main_~this_expect~0#1| 15)} is VALID [2022-02-20 16:07:37,079 INFO L290 TraceCheckUtils]: 26: Hoare triple {18409#(<= |ULTIMATE.start_main_~this_expect~0#1| 15)} assume !false;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_~P1~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647;main_~P2~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647;main_~P3~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;assume -2147483648 <= main_#t~nondet7#1 && main_#t~nondet7#1 <= 2147483647;main_~P4~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;assume -2147483648 <= main_#t~nondet8#1 && main_#t~nondet8#1 <= 2147483647;main_~P5~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647;main_~P6~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1;assume -2147483648 <= main_#t~nondet10#1 && main_#t~nondet10#1 <= 2147483647;main_~P7~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;assume -2147483648 <= main_#t~nondet11#1 && main_#t~nondet11#1 <= 2147483647;main_~P8~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;assume -2147483648 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 2147483647;main_~P9~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; {18409#(<= |ULTIMATE.start_main_~this_expect~0#1| 15)} is VALID [2022-02-20 16:07:37,080 INFO L290 TraceCheckUtils]: 25: Hoare triple {18409#(<= |ULTIMATE.start_main_~this_expect~0#1| 15)} assume !((1 == main_~this_buffer_empty~0#1 && !(0 != main_~P3~0#1)) || ((main_~P3~0#1 != (if main_~this_expect~0#1 - 1 < 0 && 0 != (main_~this_expect~0#1 - 1) % 2 then (main_~this_expect~0#1 - 1) % 2 - 2 else (main_~this_expect~0#1 - 1) % 2) && 1 != main_~this_buffer_empty~0#1) && !(0 != main_~P3~0#1)));main_~q~0#1 := 4;main_~this_expect~0#1 := main_~this_expect~0#1;main_~this_buffer_empty~0#1 := 1 - main_~this_buffer_empty~0#1; {18409#(<= |ULTIMATE.start_main_~this_expect~0#1| 15)} is VALID [2022-02-20 16:07:37,080 INFO L290 TraceCheckUtils]: 24: Hoare triple {18409#(<= |ULTIMATE.start_main_~this_expect~0#1| 15)} assume !(0 != main_~P1~0#1);main_~method_id~0#1 := 3; {18409#(<= |ULTIMATE.start_main_~this_expect~0#1| 15)} is VALID [2022-02-20 16:07:37,081 INFO L290 TraceCheckUtils]: 23: Hoare triple {18409#(<= |ULTIMATE.start_main_~this_expect~0#1| 15)} assume 0 != main_#t~nondet27#1;havoc main_#t~nondet27#1; {18409#(<= |ULTIMATE.start_main_~this_expect~0#1| 15)} is VALID [2022-02-20 16:07:37,081 INFO L290 TraceCheckUtils]: 22: Hoare triple {18409#(<= |ULTIMATE.start_main_~this_expect~0#1| 15)} assume !(0 != main_#t~nondet26#1);havoc main_#t~nondet26#1;assume -2147483648 <= main_#t~nondet27#1 && main_#t~nondet27#1 <= 2147483647; {18409#(<= |ULTIMATE.start_main_~this_expect~0#1| 15)} is VALID [2022-02-20 16:07:37,081 INFO L290 TraceCheckUtils]: 21: Hoare triple {18409#(<= |ULTIMATE.start_main_~this_expect~0#1| 15)} assume 3 == main_~q~0#1;assume -2147483648 <= main_#t~nondet26#1 && main_#t~nondet26#1 <= 2147483647; {18409#(<= |ULTIMATE.start_main_~this_expect~0#1| 15)} is VALID [2022-02-20 16:07:37,081 INFO L290 TraceCheckUtils]: 20: Hoare triple {18409#(<= |ULTIMATE.start_main_~this_expect~0#1| 15)} assume !(2 == main_~q~0#1); {18409#(<= |ULTIMATE.start_main_~this_expect~0#1| 15)} is VALID [2022-02-20 16:07:37,082 INFO L290 TraceCheckUtils]: 19: Hoare triple {18409#(<= |ULTIMATE.start_main_~this_expect~0#1| 15)} assume !(1 == main_~q~0#1); {18409#(<= |ULTIMATE.start_main_~this_expect~0#1| 15)} is VALID [2022-02-20 16:07:37,082 INFO L290 TraceCheckUtils]: 18: Hoare triple {18409#(<= |ULTIMATE.start_main_~this_expect~0#1| 15)} assume !(0 == main_~q~0#1); {18409#(<= |ULTIMATE.start_main_~this_expect~0#1| 15)} is VALID [2022-02-20 16:07:37,082 INFO L290 TraceCheckUtils]: 17: Hoare triple {18409#(<= |ULTIMATE.start_main_~this_expect~0#1| 15)} assume !(main_~this_expect~0#1 > 16); {18409#(<= |ULTIMATE.start_main_~this_expect~0#1| 15)} is VALID [2022-02-20 16:07:37,083 INFO L290 TraceCheckUtils]: 16: Hoare triple {18409#(<= |ULTIMATE.start_main_~this_expect~0#1| 15)} assume !false;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_~P1~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647;main_~P2~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647;main_~P3~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;assume -2147483648 <= main_#t~nondet7#1 && main_#t~nondet7#1 <= 2147483647;main_~P4~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;assume -2147483648 <= main_#t~nondet8#1 && main_#t~nondet8#1 <= 2147483647;main_~P5~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647;main_~P6~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1;assume -2147483648 <= main_#t~nondet10#1 && main_#t~nondet10#1 <= 2147483647;main_~P7~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;assume -2147483648 <= main_#t~nondet11#1 && main_#t~nondet11#1 <= 2147483647;main_~P8~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;assume -2147483648 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 2147483647;main_~P9~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; {18409#(<= |ULTIMATE.start_main_~this_expect~0#1| 15)} is VALID [2022-02-20 16:07:37,083 INFO L290 TraceCheckUtils]: 15: Hoare triple {18479#(<= |ULTIMATE.start_main_~this_expect~0#1| 14)} assume !((((if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2) != (if main_~this_expect~0#1 < 0 && 0 != main_~this_expect~0#1 % 2 then main_~this_expect~0#1 % 2 - 2 else main_~this_expect~0#1 % 2) && 1 == main_~this_buffer_empty~0#1) && !(0 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2))) || (1 != main_~this_buffer_empty~0#1 && !(0 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2))));main_~q~0#1 := 3;main_~this_expect~0#1 := 1 + main_~this_expect~0#1;main_~this_buffer_empty~0#1 := 1 - main_~this_buffer_empty~0#1; {18409#(<= |ULTIMATE.start_main_~this_expect~0#1| 15)} is VALID [2022-02-20 16:07:37,084 INFO L290 TraceCheckUtils]: 14: Hoare triple {18479#(<= |ULTIMATE.start_main_~this_expect~0#1| 14)} assume !(0 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2));main_~method_id~0#1 := 2; {18479#(<= |ULTIMATE.start_main_~this_expect~0#1| 14)} is VALID [2022-02-20 16:07:37,084 INFO L290 TraceCheckUtils]: 13: Hoare triple {18479#(<= |ULTIMATE.start_main_~this_expect~0#1| 14)} assume 0 != main_#t~nondet14#1;havoc main_#t~nondet14#1; {18479#(<= |ULTIMATE.start_main_~this_expect~0#1| 14)} is VALID [2022-02-20 16:07:37,084 INFO L290 TraceCheckUtils]: 12: Hoare triple {18479#(<= |ULTIMATE.start_main_~this_expect~0#1| 14)} assume 1 == main_~q~0#1;assume -2147483648 <= main_#t~nondet14#1 && main_#t~nondet14#1 <= 2147483647; {18479#(<= |ULTIMATE.start_main_~this_expect~0#1| 14)} is VALID [2022-02-20 16:07:37,085 INFO L290 TraceCheckUtils]: 11: Hoare triple {18479#(<= |ULTIMATE.start_main_~this_expect~0#1| 14)} assume !(0 == main_~q~0#1); {18479#(<= |ULTIMATE.start_main_~this_expect~0#1| 14)} is VALID [2022-02-20 16:07:37,085 INFO L290 TraceCheckUtils]: 10: Hoare triple {18479#(<= |ULTIMATE.start_main_~this_expect~0#1| 14)} assume !(main_~this_expect~0#1 > 16); {18479#(<= |ULTIMATE.start_main_~this_expect~0#1| 14)} is VALID [2022-02-20 16:07:37,085 INFO L290 TraceCheckUtils]: 9: Hoare triple {18479#(<= |ULTIMATE.start_main_~this_expect~0#1| 14)} assume !false;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_~P1~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647;main_~P2~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647;main_~P3~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;assume -2147483648 <= main_#t~nondet7#1 && main_#t~nondet7#1 <= 2147483647;main_~P4~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;assume -2147483648 <= main_#t~nondet8#1 && main_#t~nondet8#1 <= 2147483647;main_~P5~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647;main_~P6~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1;assume -2147483648 <= main_#t~nondet10#1 && main_#t~nondet10#1 <= 2147483647;main_~P7~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;assume -2147483648 <= main_#t~nondet11#1 && main_#t~nondet11#1 <= 2147483647;main_~P8~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;assume -2147483648 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 2147483647;main_~P9~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; {18479#(<= |ULTIMATE.start_main_~this_expect~0#1| 14)} is VALID [2022-02-20 16:07:37,086 INFO L290 TraceCheckUtils]: 8: Hoare triple {18189#true} assume !false;main_~q~0#1 := 1;main_~this_expect~0#1 := 0;main_~this_buffer_empty~0#1 := 1; {18479#(<= |ULTIMATE.start_main_~this_expect~0#1| 14)} is VALID [2022-02-20 16:07:37,086 INFO L290 TraceCheckUtils]: 7: Hoare triple {18189#true} main_~method_id~0#1 := 1; {18189#true} is VALID [2022-02-20 16:07:37,086 INFO L290 TraceCheckUtils]: 6: Hoare triple {18189#true} assume 0 != main_#t~nondet13#1;havoc main_#t~nondet13#1; {18189#true} is VALID [2022-02-20 16:07:37,086 INFO L290 TraceCheckUtils]: 5: Hoare triple {18189#true} assume 0 == main_~q~0#1;assume -2147483648 <= main_#t~nondet13#1 && main_#t~nondet13#1 <= 2147483647; {18189#true} is VALID [2022-02-20 16:07:37,086 INFO L290 TraceCheckUtils]: 4: Hoare triple {18189#true} assume !(main_~this_expect~0#1 > 16); {18189#true} is VALID [2022-02-20 16:07:37,086 INFO L290 TraceCheckUtils]: 3: Hoare triple {18189#true} assume !false;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_~P1~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647;main_~P2~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647;main_~P3~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;assume -2147483648 <= main_#t~nondet7#1 && main_#t~nondet7#1 <= 2147483647;main_~P4~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;assume -2147483648 <= main_#t~nondet8#1 && main_#t~nondet8#1 <= 2147483647;main_~P5~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647;main_~P6~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1;assume -2147483648 <= main_#t~nondet10#1 && main_#t~nondet10#1 <= 2147483647;main_~P7~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;assume -2147483648 <= main_#t~nondet11#1 && main_#t~nondet11#1 <= 2147483647;main_~P8~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;assume -2147483648 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 2147483647;main_~P9~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; {18189#true} is VALID [2022-02-20 16:07:37,086 INFO L290 TraceCheckUtils]: 2: Hoare triple {18189#true} goto; {18189#true} is VALID [2022-02-20 16:07:37,086 INFO L290 TraceCheckUtils]: 1: Hoare triple {18189#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~nondet5#1, main_#t~nondet6#1, main_#t~nondet7#1, main_#t~nondet8#1, main_#t~nondet9#1, main_#t~nondet10#1, main_#t~nondet11#1, main_#t~nondet12#1, main_#t~nondet13#1, main_#t~nondet14#1, main_#t~nondet15#1, main_#t~nondet16#1, main_#t~nondet17#1, main_#t~nondet18#1, main_#t~nondet19#1, main_#t~nondet20#1, main_#t~nondet21#1, main_#t~nondet22#1, main_#t~nondet23#1, main_#t~nondet24#1, main_#t~nondet25#1, main_#t~nondet26#1, main_#t~nondet27#1, main_#t~nondet28#1, main_#t~nondet29#1, main_#t~nondet30#1, main_#t~nondet31#1, main_#t~nondet32#1, main_#t~nondet33#1, main_#t~nondet34#1, main_#t~nondet35#1, main_#t~nondet36#1, main_#t~nondet37#1, main_#t~nondet38#1, main_#t~nondet39#1, main_#t~nondet40#1, main_#t~nondet41#1, main_#t~nondet42#1, main_#t~nondet43#1, main_~P1~0#1, main_~P2~0#1, main_~P3~0#1, main_~P4~0#1, main_~P5~0#1, main_~P6~0#1, main_~P7~0#1, main_~P8~0#1, main_~P9~0#1, main_~q~0#1, main_~method_id~0#1, main_~this_expect~0#1, main_~this_buffer_empty~0#1;main_~q~0#1 := 0;havoc main_~method_id~0#1;main_~this_expect~0#1 := 0;main_~this_buffer_empty~0#1 := 0; {18189#true} is VALID [2022-02-20 16:07:37,086 INFO L290 TraceCheckUtils]: 0: Hoare triple {18189#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(16, 2);call #Ultimate.allocInit(12, 3);~m_Protocol~0 := 1;~m_msg_2~0 := 2;~m_recv_ack_2~0 := 3;~m_msg_1_1~0 := 4;~m_msg_1_2~0 := 5;~m_recv_ack_1_1~0 := 6;~m_recv_ack_1_2~0 := 7; {18189#true} is VALID [2022-02-20 16:07:37,087 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 23 proven. 14 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-02-20 16:07:37,087 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [446585611] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-20 16:07:37,087 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-20 16:07:37,087 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 9 [2022-02-20 16:07:37,087 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [950119147] [2022-02-20 16:07:37,087 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-20 16:07:37,088 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.555555555555555) internal successors, (86), 9 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 55 [2022-02-20 16:07:37,088 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 16:07:37,088 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 9 states, 9 states have (on average 9.555555555555555) internal successors, (86), 9 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:07:37,147 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 86 edges. 86 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 16:07:37,147 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-02-20 16:07:37,147 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 16:07:37,148 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-02-20 16:07:37,148 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=36, Unknown=0, NotChecked=0, Total=72 [2022-02-20 16:07:37,148 INFO L87 Difference]: Start difference. First operand 309 states and 448 transitions. Second operand has 9 states, 9 states have (on average 9.555555555555555) internal successors, (86), 9 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:07:37,946 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 16:07:37,946 INFO L93 Difference]: Finished difference Result 810 states and 1182 transitions. [2022-02-20 16:07:37,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-20 16:07:37,946 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.555555555555555) internal successors, (86), 9 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 55 [2022-02-20 16:07:37,947 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 16:07:37,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 9 states have (on average 9.555555555555555) internal successors, (86), 9 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:07:37,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 634 transitions. [2022-02-20 16:07:37,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 9 states have (on average 9.555555555555555) internal successors, (86), 9 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:07:37,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 634 transitions. [2022-02-20 16:07:37,951 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 9 states and 634 transitions. [2022-02-20 16:07:38,342 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 634 edges. 634 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 16:07:38,355 INFO L225 Difference]: With dead ends: 810 [2022-02-20 16:07:38,355 INFO L226 Difference]: Without dead ends: 643 [2022-02-20 16:07:38,357 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=36, Invalid=36, Unknown=0, NotChecked=0, Total=72 [2022-02-20 16:07:38,358 INFO L933 BasicCegarLoop]: 171 mSDtfsCounter, 852 mSDsluCounter, 517 mSDsCounter, 0 mSdLazyCounter, 82 mSolverCounterSat, 47 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 852 SdHoareTripleChecker+Valid, 688 SdHoareTripleChecker+Invalid, 129 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 82 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-20 16:07:38,358 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [852 Valid, 688 Invalid, 129 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 82 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-20 16:07:38,359 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 643 states. [2022-02-20 16:07:38,475 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 643 to 628. [2022-02-20 16:07:38,475 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 16:07:38,476 INFO L82 GeneralOperation]: Start isEquivalent. First operand 643 states. Second operand has 628 states, 627 states have (on average 1.4290271132376395) internal successors, (896), 627 states have internal predecessors, (896), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:07:38,476 INFO L74 IsIncluded]: Start isIncluded. First operand 643 states. Second operand has 628 states, 627 states have (on average 1.4290271132376395) internal successors, (896), 627 states have internal predecessors, (896), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:07:38,477 INFO L87 Difference]: Start difference. First operand 643 states. Second operand has 628 states, 627 states have (on average 1.4290271132376395) internal successors, (896), 627 states have internal predecessors, (896), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:07:38,489 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 16:07:38,490 INFO L93 Difference]: Finished difference Result 643 states and 906 transitions. [2022-02-20 16:07:38,490 INFO L276 IsEmpty]: Start isEmpty. Operand 643 states and 906 transitions. [2022-02-20 16:07:38,490 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 16:07:38,490 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 16:07:38,491 INFO L74 IsIncluded]: Start isIncluded. First operand has 628 states, 627 states have (on average 1.4290271132376395) internal successors, (896), 627 states have internal predecessors, (896), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 643 states. [2022-02-20 16:07:38,492 INFO L87 Difference]: Start difference. First operand has 628 states, 627 states have (on average 1.4290271132376395) internal successors, (896), 627 states have internal predecessors, (896), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 643 states. [2022-02-20 16:07:38,503 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 16:07:38,503 INFO L93 Difference]: Finished difference Result 643 states and 906 transitions. [2022-02-20 16:07:38,504 INFO L276 IsEmpty]: Start isEmpty. Operand 643 states and 906 transitions. [2022-02-20 16:07:38,504 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 16:07:38,504 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 16:07:38,504 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 16:07:38,504 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 16:07:38,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 628 states, 627 states have (on average 1.4290271132376395) internal successors, (896), 627 states have internal predecessors, (896), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:07:38,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 628 states to 628 states and 896 transitions. [2022-02-20 16:07:38,517 INFO L78 Accepts]: Start accepts. Automaton has 628 states and 896 transitions. Word has length 55 [2022-02-20 16:07:38,517 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 16:07:38,517 INFO L470 AbstractCegarLoop]: Abstraction has 628 states and 896 transitions. [2022-02-20 16:07:38,517 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.555555555555555) internal successors, (86), 9 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:07:38,518 INFO L276 IsEmpty]: Start isEmpty. Operand 628 states and 896 transitions. [2022-02-20 16:07:38,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2022-02-20 16:07:38,518 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 16:07:38,518 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 4, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 16:07:38,541 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-02-20 16:07:38,742 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 16:07:38,742 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-20 16:07:38,742 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 16:07:38,742 INFO L85 PathProgramCache]: Analyzing trace with hash 1903289774, now seen corresponding path program 1 times [2022-02-20 16:07:38,743 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 16:07:38,743 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2022482933] [2022-02-20 16:07:38,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 16:07:38,743 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 16:07:38,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 16:07:38,920 INFO L290 TraceCheckUtils]: 0: Hoare triple {21356#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(16, 2);call #Ultimate.allocInit(12, 3);~m_Protocol~0 := 1;~m_msg_2~0 := 2;~m_recv_ack_2~0 := 3;~m_msg_1_1~0 := 4;~m_msg_1_2~0 := 5;~m_recv_ack_1_1~0 := 6;~m_recv_ack_1_2~0 := 7; {21356#true} is VALID [2022-02-20 16:07:38,920 INFO L290 TraceCheckUtils]: 1: Hoare triple {21356#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~nondet5#1, main_#t~nondet6#1, main_#t~nondet7#1, main_#t~nondet8#1, main_#t~nondet9#1, main_#t~nondet10#1, main_#t~nondet11#1, main_#t~nondet12#1, main_#t~nondet13#1, main_#t~nondet14#1, main_#t~nondet15#1, main_#t~nondet16#1, main_#t~nondet17#1, main_#t~nondet18#1, main_#t~nondet19#1, main_#t~nondet20#1, main_#t~nondet21#1, main_#t~nondet22#1, main_#t~nondet23#1, main_#t~nondet24#1, main_#t~nondet25#1, main_#t~nondet26#1, main_#t~nondet27#1, main_#t~nondet28#1, main_#t~nondet29#1, main_#t~nondet30#1, main_#t~nondet31#1, main_#t~nondet32#1, main_#t~nondet33#1, main_#t~nondet34#1, main_#t~nondet35#1, main_#t~nondet36#1, main_#t~nondet37#1, main_#t~nondet38#1, main_#t~nondet39#1, main_#t~nondet40#1, main_#t~nondet41#1, main_#t~nondet42#1, main_#t~nondet43#1, main_~P1~0#1, main_~P2~0#1, main_~P3~0#1, main_~P4~0#1, main_~P5~0#1, main_~P6~0#1, main_~P7~0#1, main_~P8~0#1, main_~P9~0#1, main_~q~0#1, main_~method_id~0#1, main_~this_expect~0#1, main_~this_buffer_empty~0#1;main_~q~0#1 := 0;havoc main_~method_id~0#1;main_~this_expect~0#1 := 0;main_~this_buffer_empty~0#1 := 0; {21356#true} is VALID [2022-02-20 16:07:38,921 INFO L290 TraceCheckUtils]: 2: Hoare triple {21356#true} goto; {21356#true} is VALID [2022-02-20 16:07:38,921 INFO L290 TraceCheckUtils]: 3: Hoare triple {21356#true} assume !false;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_~P1~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647;main_~P2~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647;main_~P3~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;assume -2147483648 <= main_#t~nondet7#1 && main_#t~nondet7#1 <= 2147483647;main_~P4~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;assume -2147483648 <= main_#t~nondet8#1 && main_#t~nondet8#1 <= 2147483647;main_~P5~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647;main_~P6~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1;assume -2147483648 <= main_#t~nondet10#1 && main_#t~nondet10#1 <= 2147483647;main_~P7~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;assume -2147483648 <= main_#t~nondet11#1 && main_#t~nondet11#1 <= 2147483647;main_~P8~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;assume -2147483648 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 2147483647;main_~P9~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; {21356#true} is VALID [2022-02-20 16:07:38,921 INFO L290 TraceCheckUtils]: 4: Hoare triple {21356#true} assume !(main_~this_expect~0#1 > 16); {21356#true} is VALID [2022-02-20 16:07:38,921 INFO L290 TraceCheckUtils]: 5: Hoare triple {21356#true} assume 0 == main_~q~0#1;assume -2147483648 <= main_#t~nondet13#1 && main_#t~nondet13#1 <= 2147483647; {21356#true} is VALID [2022-02-20 16:07:38,921 INFO L290 TraceCheckUtils]: 6: Hoare triple {21356#true} assume 0 != main_#t~nondet13#1;havoc main_#t~nondet13#1; {21356#true} is VALID [2022-02-20 16:07:38,921 INFO L290 TraceCheckUtils]: 7: Hoare triple {21356#true} main_~method_id~0#1 := 1; {21356#true} is VALID [2022-02-20 16:07:38,922 INFO L290 TraceCheckUtils]: 8: Hoare triple {21356#true} assume !false;main_~q~0#1 := 1;main_~this_expect~0#1 := 0;main_~this_buffer_empty~0#1 := 1; {21358#(and (= |ULTIMATE.start_main_~this_expect~0#1| 0) (= (+ (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 0))} is VALID [2022-02-20 16:07:38,922 INFO L290 TraceCheckUtils]: 9: Hoare triple {21358#(and (= |ULTIMATE.start_main_~this_expect~0#1| 0) (= (+ (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 0))} assume !false;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_~P1~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647;main_~P2~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647;main_~P3~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;assume -2147483648 <= main_#t~nondet7#1 && main_#t~nondet7#1 <= 2147483647;main_~P4~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;assume -2147483648 <= main_#t~nondet8#1 && main_#t~nondet8#1 <= 2147483647;main_~P5~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647;main_~P6~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1;assume -2147483648 <= main_#t~nondet10#1 && main_#t~nondet10#1 <= 2147483647;main_~P7~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;assume -2147483648 <= main_#t~nondet11#1 && main_#t~nondet11#1 <= 2147483647;main_~P8~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;assume -2147483648 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 2147483647;main_~P9~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; {21358#(and (= |ULTIMATE.start_main_~this_expect~0#1| 0) (= (+ (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 0))} is VALID [2022-02-20 16:07:38,923 INFO L290 TraceCheckUtils]: 10: Hoare triple {21358#(and (= |ULTIMATE.start_main_~this_expect~0#1| 0) (= (+ (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 0))} assume !(main_~this_expect~0#1 > 16); {21358#(and (= |ULTIMATE.start_main_~this_expect~0#1| 0) (= (+ (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 0))} is VALID [2022-02-20 16:07:38,923 INFO L290 TraceCheckUtils]: 11: Hoare triple {21358#(and (= |ULTIMATE.start_main_~this_expect~0#1| 0) (= (+ (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 0))} assume !(0 == main_~q~0#1); {21358#(and (= |ULTIMATE.start_main_~this_expect~0#1| 0) (= (+ (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 0))} is VALID [2022-02-20 16:07:38,923 INFO L290 TraceCheckUtils]: 12: Hoare triple {21358#(and (= |ULTIMATE.start_main_~this_expect~0#1| 0) (= (+ (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 0))} assume 1 == main_~q~0#1;assume -2147483648 <= main_#t~nondet14#1 && main_#t~nondet14#1 <= 2147483647; {21358#(and (= |ULTIMATE.start_main_~this_expect~0#1| 0) (= (+ (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 0))} is VALID [2022-02-20 16:07:38,924 INFO L290 TraceCheckUtils]: 13: Hoare triple {21358#(and (= |ULTIMATE.start_main_~this_expect~0#1| 0) (= (+ (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 0))} assume 0 != main_#t~nondet14#1;havoc main_#t~nondet14#1; {21358#(and (= |ULTIMATE.start_main_~this_expect~0#1| 0) (= (+ (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 0))} is VALID [2022-02-20 16:07:38,924 INFO L290 TraceCheckUtils]: 14: Hoare triple {21358#(and (= |ULTIMATE.start_main_~this_expect~0#1| 0) (= (+ (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 0))} assume !(0 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2));main_~method_id~0#1 := 2; {21358#(and (= |ULTIMATE.start_main_~this_expect~0#1| 0) (= (+ (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 0))} is VALID [2022-02-20 16:07:38,925 INFO L290 TraceCheckUtils]: 15: Hoare triple {21358#(and (= |ULTIMATE.start_main_~this_expect~0#1| 0) (= (+ (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 0))} assume !((((if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2) != (if main_~this_expect~0#1 < 0 && 0 != main_~this_expect~0#1 % 2 then main_~this_expect~0#1 % 2 - 2 else main_~this_expect~0#1 % 2) && 1 == main_~this_buffer_empty~0#1) && !(0 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2))) || (1 != main_~this_buffer_empty~0#1 && !(0 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2))));main_~q~0#1 := 3;main_~this_expect~0#1 := 1 + main_~this_expect~0#1;main_~this_buffer_empty~0#1 := 1 - main_~this_buffer_empty~0#1; {21359#(and (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_expect~0#1| 1))} is VALID [2022-02-20 16:07:38,926 INFO L290 TraceCheckUtils]: 16: Hoare triple {21359#(and (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_expect~0#1| 1))} assume !false;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_~P1~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647;main_~P2~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647;main_~P3~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;assume -2147483648 <= main_#t~nondet7#1 && main_#t~nondet7#1 <= 2147483647;main_~P4~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;assume -2147483648 <= main_#t~nondet8#1 && main_#t~nondet8#1 <= 2147483647;main_~P5~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647;main_~P6~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1;assume -2147483648 <= main_#t~nondet10#1 && main_#t~nondet10#1 <= 2147483647;main_~P7~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;assume -2147483648 <= main_#t~nondet11#1 && main_#t~nondet11#1 <= 2147483647;main_~P8~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;assume -2147483648 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 2147483647;main_~P9~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; {21359#(and (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_expect~0#1| 1))} is VALID [2022-02-20 16:07:38,926 INFO L290 TraceCheckUtils]: 17: Hoare triple {21359#(and (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_expect~0#1| 1))} assume !(main_~this_expect~0#1 > 16); {21359#(and (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_expect~0#1| 1))} is VALID [2022-02-20 16:07:38,926 INFO L290 TraceCheckUtils]: 18: Hoare triple {21359#(and (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_expect~0#1| 1))} assume !(0 == main_~q~0#1); {21359#(and (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_expect~0#1| 1))} is VALID [2022-02-20 16:07:38,927 INFO L290 TraceCheckUtils]: 19: Hoare triple {21359#(and (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_expect~0#1| 1))} assume !(1 == main_~q~0#1); {21359#(and (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_expect~0#1| 1))} is VALID [2022-02-20 16:07:38,927 INFO L290 TraceCheckUtils]: 20: Hoare triple {21359#(and (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_expect~0#1| 1))} assume !(2 == main_~q~0#1); {21359#(and (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_expect~0#1| 1))} is VALID [2022-02-20 16:07:38,928 INFO L290 TraceCheckUtils]: 21: Hoare triple {21359#(and (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_expect~0#1| 1))} assume 3 == main_~q~0#1;assume -2147483648 <= main_#t~nondet26#1 && main_#t~nondet26#1 <= 2147483647; {21359#(and (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_expect~0#1| 1))} is VALID [2022-02-20 16:07:38,928 INFO L290 TraceCheckUtils]: 22: Hoare triple {21359#(and (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_expect~0#1| 1))} assume !(0 != main_#t~nondet26#1);havoc main_#t~nondet26#1;assume -2147483648 <= main_#t~nondet27#1 && main_#t~nondet27#1 <= 2147483647; {21359#(and (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_expect~0#1| 1))} is VALID [2022-02-20 16:07:38,928 INFO L290 TraceCheckUtils]: 23: Hoare triple {21359#(and (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_expect~0#1| 1))} assume 0 != main_#t~nondet27#1;havoc main_#t~nondet27#1; {21359#(and (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_expect~0#1| 1))} is VALID [2022-02-20 16:07:38,929 INFO L290 TraceCheckUtils]: 24: Hoare triple {21359#(and (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_expect~0#1| 1))} assume !(0 != main_~P1~0#1);main_~method_id~0#1 := 3; {21359#(and (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_expect~0#1| 1))} is VALID [2022-02-20 16:07:38,930 INFO L290 TraceCheckUtils]: 25: Hoare triple {21359#(and (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_expect~0#1| 1))} assume !((1 == main_~this_buffer_empty~0#1 && !(0 != main_~P3~0#1)) || ((main_~P3~0#1 != (if main_~this_expect~0#1 - 1 < 0 && 0 != (main_~this_expect~0#1 - 1) % 2 then (main_~this_expect~0#1 - 1) % 2 - 2 else (main_~this_expect~0#1 - 1) % 2) && 1 != main_~this_buffer_empty~0#1) && !(0 != main_~P3~0#1)));main_~q~0#1 := 4;main_~this_expect~0#1 := main_~this_expect~0#1;main_~this_buffer_empty~0#1 := 1 - main_~this_buffer_empty~0#1; {21360#(and (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_expect~0#1| 1) (<= 1 |ULTIMATE.start_main_~this_buffer_empty~0#1|))} is VALID [2022-02-20 16:07:38,931 INFO L290 TraceCheckUtils]: 26: Hoare triple {21360#(and (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_expect~0#1| 1) (<= 1 |ULTIMATE.start_main_~this_buffer_empty~0#1|))} assume !false;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_~P1~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647;main_~P2~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647;main_~P3~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;assume -2147483648 <= main_#t~nondet7#1 && main_#t~nondet7#1 <= 2147483647;main_~P4~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;assume -2147483648 <= main_#t~nondet8#1 && main_#t~nondet8#1 <= 2147483647;main_~P5~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647;main_~P6~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1;assume -2147483648 <= main_#t~nondet10#1 && main_#t~nondet10#1 <= 2147483647;main_~P7~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;assume -2147483648 <= main_#t~nondet11#1 && main_#t~nondet11#1 <= 2147483647;main_~P8~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;assume -2147483648 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 2147483647;main_~P9~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; {21360#(and (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_expect~0#1| 1) (<= 1 |ULTIMATE.start_main_~this_buffer_empty~0#1|))} is VALID [2022-02-20 16:07:38,931 INFO L290 TraceCheckUtils]: 27: Hoare triple {21360#(and (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_expect~0#1| 1) (<= 1 |ULTIMATE.start_main_~this_buffer_empty~0#1|))} assume !(main_~this_expect~0#1 > 16); {21360#(and (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_expect~0#1| 1) (<= 1 |ULTIMATE.start_main_~this_buffer_empty~0#1|))} is VALID [2022-02-20 16:07:38,932 INFO L290 TraceCheckUtils]: 28: Hoare triple {21360#(and (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_expect~0#1| 1) (<= 1 |ULTIMATE.start_main_~this_buffer_empty~0#1|))} assume !(0 == main_~q~0#1); {21360#(and (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_expect~0#1| 1) (<= 1 |ULTIMATE.start_main_~this_buffer_empty~0#1|))} is VALID [2022-02-20 16:07:38,932 INFO L290 TraceCheckUtils]: 29: Hoare triple {21360#(and (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_expect~0#1| 1) (<= 1 |ULTIMATE.start_main_~this_buffer_empty~0#1|))} assume !(1 == main_~q~0#1); {21360#(and (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_expect~0#1| 1) (<= 1 |ULTIMATE.start_main_~this_buffer_empty~0#1|))} is VALID [2022-02-20 16:07:38,932 INFO L290 TraceCheckUtils]: 30: Hoare triple {21360#(and (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_expect~0#1| 1) (<= 1 |ULTIMATE.start_main_~this_buffer_empty~0#1|))} assume !(2 == main_~q~0#1); {21360#(and (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_expect~0#1| 1) (<= 1 |ULTIMATE.start_main_~this_buffer_empty~0#1|))} is VALID [2022-02-20 16:07:38,933 INFO L290 TraceCheckUtils]: 31: Hoare triple {21360#(and (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_expect~0#1| 1) (<= 1 |ULTIMATE.start_main_~this_buffer_empty~0#1|))} assume !(3 == main_~q~0#1); {21360#(and (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_expect~0#1| 1) (<= 1 |ULTIMATE.start_main_~this_buffer_empty~0#1|))} is VALID [2022-02-20 16:07:38,933 INFO L290 TraceCheckUtils]: 32: Hoare triple {21360#(and (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_expect~0#1| 1) (<= 1 |ULTIMATE.start_main_~this_buffer_empty~0#1|))} assume 4 == main_~q~0#1;assume -2147483648 <= main_#t~nondet32#1 && main_#t~nondet32#1 <= 2147483647; {21360#(and (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_expect~0#1| 1) (<= 1 |ULTIMATE.start_main_~this_buffer_empty~0#1|))} is VALID [2022-02-20 16:07:38,933 INFO L290 TraceCheckUtils]: 33: Hoare triple {21360#(and (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_expect~0#1| 1) (<= 1 |ULTIMATE.start_main_~this_buffer_empty~0#1|))} assume !(0 != main_#t~nondet32#1);havoc main_#t~nondet32#1;assume -2147483648 <= main_#t~nondet33#1 && main_#t~nondet33#1 <= 2147483647; {21360#(and (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_expect~0#1| 1) (<= 1 |ULTIMATE.start_main_~this_buffer_empty~0#1|))} is VALID [2022-02-20 16:07:38,934 INFO L290 TraceCheckUtils]: 34: Hoare triple {21360#(and (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_expect~0#1| 1) (<= 1 |ULTIMATE.start_main_~this_buffer_empty~0#1|))} assume !(0 != main_#t~nondet33#1);havoc main_#t~nondet33#1;assume -2147483648 <= main_#t~nondet34#1 && main_#t~nondet34#1 <= 2147483647; {21360#(and (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_expect~0#1| 1) (<= 1 |ULTIMATE.start_main_~this_buffer_empty~0#1|))} is VALID [2022-02-20 16:07:38,934 INFO L290 TraceCheckUtils]: 35: Hoare triple {21360#(and (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_expect~0#1| 1) (<= 1 |ULTIMATE.start_main_~this_buffer_empty~0#1|))} assume !(0 != main_#t~nondet34#1);havoc main_#t~nondet34#1;assume -2147483648 <= main_#t~nondet35#1 && main_#t~nondet35#1 <= 2147483647; {21360#(and (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_expect~0#1| 1) (<= 1 |ULTIMATE.start_main_~this_buffer_empty~0#1|))} is VALID [2022-02-20 16:07:38,935 INFO L290 TraceCheckUtils]: 36: Hoare triple {21360#(and (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_expect~0#1| 1) (<= 1 |ULTIMATE.start_main_~this_buffer_empty~0#1|))} assume 0 != main_#t~nondet35#1;havoc main_#t~nondet35#1; {21360#(and (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_expect~0#1| 1) (<= 1 |ULTIMATE.start_main_~this_buffer_empty~0#1|))} is VALID [2022-02-20 16:07:38,935 INFO L290 TraceCheckUtils]: 37: Hoare triple {21360#(and (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_expect~0#1| 1) (<= 1 |ULTIMATE.start_main_~this_buffer_empty~0#1|))} assume 0 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2) && !(1 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2) && 0 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2));main_~method_id~0#1 := 5; {21360#(and (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_expect~0#1| 1) (<= 1 |ULTIMATE.start_main_~this_buffer_empty~0#1|))} is VALID [2022-02-20 16:07:38,936 INFO L290 TraceCheckUtils]: 38: Hoare triple {21360#(and (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_expect~0#1| 1) (<= 1 |ULTIMATE.start_main_~this_buffer_empty~0#1|))} assume !(((((if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2) != (if main_~this_expect~0#1 < 0 && 0 != main_~this_expect~0#1 % 2 then main_~this_expect~0#1 % 2 - 2 else main_~this_expect~0#1 % 2) && 1 == main_~this_buffer_empty~0#1) && 0 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2)) && 0 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2) && !(1 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2) && 0 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2))) || ((1 != main_~this_buffer_empty~0#1 && 0 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2)) && 0 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2) && !(1 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2) && 0 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2))));main_~q~0#1 := 5;main_~this_expect~0#1 := 1 + main_~this_expect~0#1;main_~this_buffer_empty~0#1 := 1 - main_~this_buffer_empty~0#1; {21361#(and (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (= (+ |ULTIMATE.start_main_~this_expect~0#1| (* (div (+ |ULTIMATE.start_main_~this_expect~0#1| 1) 2) (- 2)) 1) 1))} is VALID [2022-02-20 16:07:38,937 INFO L290 TraceCheckUtils]: 39: Hoare triple {21361#(and (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (= (+ |ULTIMATE.start_main_~this_expect~0#1| (* (div (+ |ULTIMATE.start_main_~this_expect~0#1| 1) 2) (- 2)) 1) 1))} assume !false;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_~P1~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647;main_~P2~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647;main_~P3~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;assume -2147483648 <= main_#t~nondet7#1 && main_#t~nondet7#1 <= 2147483647;main_~P4~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;assume -2147483648 <= main_#t~nondet8#1 && main_#t~nondet8#1 <= 2147483647;main_~P5~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647;main_~P6~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1;assume -2147483648 <= main_#t~nondet10#1 && main_#t~nondet10#1 <= 2147483647;main_~P7~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;assume -2147483648 <= main_#t~nondet11#1 && main_#t~nondet11#1 <= 2147483647;main_~P8~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;assume -2147483648 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 2147483647;main_~P9~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; {21361#(and (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (= (+ |ULTIMATE.start_main_~this_expect~0#1| (* (div (+ |ULTIMATE.start_main_~this_expect~0#1| 1) 2) (- 2)) 1) 1))} is VALID [2022-02-20 16:07:38,937 INFO L290 TraceCheckUtils]: 40: Hoare triple {21361#(and (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (= (+ |ULTIMATE.start_main_~this_expect~0#1| (* (div (+ |ULTIMATE.start_main_~this_expect~0#1| 1) 2) (- 2)) 1) 1))} assume !(main_~this_expect~0#1 > 16); {21361#(and (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (= (+ |ULTIMATE.start_main_~this_expect~0#1| (* (div (+ |ULTIMATE.start_main_~this_expect~0#1| 1) 2) (- 2)) 1) 1))} is VALID [2022-02-20 16:07:38,938 INFO L290 TraceCheckUtils]: 41: Hoare triple {21361#(and (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (= (+ |ULTIMATE.start_main_~this_expect~0#1| (* (div (+ |ULTIMATE.start_main_~this_expect~0#1| 1) 2) (- 2)) 1) 1))} assume !(0 == main_~q~0#1); {21361#(and (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (= (+ |ULTIMATE.start_main_~this_expect~0#1| (* (div (+ |ULTIMATE.start_main_~this_expect~0#1| 1) 2) (- 2)) 1) 1))} is VALID [2022-02-20 16:07:38,938 INFO L290 TraceCheckUtils]: 42: Hoare triple {21361#(and (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (= (+ |ULTIMATE.start_main_~this_expect~0#1| (* (div (+ |ULTIMATE.start_main_~this_expect~0#1| 1) 2) (- 2)) 1) 1))} assume !(1 == main_~q~0#1); {21361#(and (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (= (+ |ULTIMATE.start_main_~this_expect~0#1| (* (div (+ |ULTIMATE.start_main_~this_expect~0#1| 1) 2) (- 2)) 1) 1))} is VALID [2022-02-20 16:07:38,939 INFO L290 TraceCheckUtils]: 43: Hoare triple {21361#(and (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (= (+ |ULTIMATE.start_main_~this_expect~0#1| (* (div (+ |ULTIMATE.start_main_~this_expect~0#1| 1) 2) (- 2)) 1) 1))} assume !(2 == main_~q~0#1); {21361#(and (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (= (+ |ULTIMATE.start_main_~this_expect~0#1| (* (div (+ |ULTIMATE.start_main_~this_expect~0#1| 1) 2) (- 2)) 1) 1))} is VALID [2022-02-20 16:07:38,939 INFO L290 TraceCheckUtils]: 44: Hoare triple {21361#(and (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (= (+ |ULTIMATE.start_main_~this_expect~0#1| (* (div (+ |ULTIMATE.start_main_~this_expect~0#1| 1) 2) (- 2)) 1) 1))} assume !(3 == main_~q~0#1); {21361#(and (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (= (+ |ULTIMATE.start_main_~this_expect~0#1| (* (div (+ |ULTIMATE.start_main_~this_expect~0#1| 1) 2) (- 2)) 1) 1))} is VALID [2022-02-20 16:07:38,940 INFO L290 TraceCheckUtils]: 45: Hoare triple {21361#(and (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (= (+ |ULTIMATE.start_main_~this_expect~0#1| (* (div (+ |ULTIMATE.start_main_~this_expect~0#1| 1) 2) (- 2)) 1) 1))} assume !(4 == main_~q~0#1); {21361#(and (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (= (+ |ULTIMATE.start_main_~this_expect~0#1| (* (div (+ |ULTIMATE.start_main_~this_expect~0#1| 1) 2) (- 2)) 1) 1))} is VALID [2022-02-20 16:07:38,940 INFO L290 TraceCheckUtils]: 46: Hoare triple {21361#(and (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (= (+ |ULTIMATE.start_main_~this_expect~0#1| (* (div (+ |ULTIMATE.start_main_~this_expect~0#1| 1) 2) (- 2)) 1) 1))} assume 5 == main_~q~0#1;assume -2147483648 <= main_#t~nondet38#1 && main_#t~nondet38#1 <= 2147483647; {21361#(and (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (= (+ |ULTIMATE.start_main_~this_expect~0#1| (* (div (+ |ULTIMATE.start_main_~this_expect~0#1| 1) 2) (- 2)) 1) 1))} is VALID [2022-02-20 16:07:38,940 INFO L290 TraceCheckUtils]: 47: Hoare triple {21361#(and (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (= (+ |ULTIMATE.start_main_~this_expect~0#1| (* (div (+ |ULTIMATE.start_main_~this_expect~0#1| 1) 2) (- 2)) 1) 1))} assume !(0 != main_#t~nondet38#1);havoc main_#t~nondet38#1;assume -2147483648 <= main_#t~nondet39#1 && main_#t~nondet39#1 <= 2147483647; {21361#(and (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (= (+ |ULTIMATE.start_main_~this_expect~0#1| (* (div (+ |ULTIMATE.start_main_~this_expect~0#1| 1) 2) (- 2)) 1) 1))} is VALID [2022-02-20 16:07:38,941 INFO L290 TraceCheckUtils]: 48: Hoare triple {21361#(and (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (= (+ |ULTIMATE.start_main_~this_expect~0#1| (* (div (+ |ULTIMATE.start_main_~this_expect~0#1| 1) 2) (- 2)) 1) 1))} assume !(0 != main_#t~nondet39#1);havoc main_#t~nondet39#1;assume -2147483648 <= main_#t~nondet40#1 && main_#t~nondet40#1 <= 2147483647; {21361#(and (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (= (+ |ULTIMATE.start_main_~this_expect~0#1| (* (div (+ |ULTIMATE.start_main_~this_expect~0#1| 1) 2) (- 2)) 1) 1))} is VALID [2022-02-20 16:07:38,941 INFO L290 TraceCheckUtils]: 49: Hoare triple {21361#(and (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (= (+ |ULTIMATE.start_main_~this_expect~0#1| (* (div (+ |ULTIMATE.start_main_~this_expect~0#1| 1) 2) (- 2)) 1) 1))} assume !(0 != main_#t~nondet40#1);havoc main_#t~nondet40#1;assume -2147483648 <= main_#t~nondet41#1 && main_#t~nondet41#1 <= 2147483647; {21361#(and (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (= (+ |ULTIMATE.start_main_~this_expect~0#1| (* (div (+ |ULTIMATE.start_main_~this_expect~0#1| 1) 2) (- 2)) 1) 1))} is VALID [2022-02-20 16:07:38,942 INFO L290 TraceCheckUtils]: 50: Hoare triple {21361#(and (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (= (+ |ULTIMATE.start_main_~this_expect~0#1| (* (div (+ |ULTIMATE.start_main_~this_expect~0#1| 1) 2) (- 2)) 1) 1))} assume !(0 != main_#t~nondet41#1);havoc main_#t~nondet41#1;assume -2147483648 <= main_#t~nondet42#1 && main_#t~nondet42#1 <= 2147483647; {21361#(and (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (= (+ |ULTIMATE.start_main_~this_expect~0#1| (* (div (+ |ULTIMATE.start_main_~this_expect~0#1| 1) 2) (- 2)) 1) 1))} is VALID [2022-02-20 16:07:38,942 INFO L290 TraceCheckUtils]: 51: Hoare triple {21361#(and (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (= (+ |ULTIMATE.start_main_~this_expect~0#1| (* (div (+ |ULTIMATE.start_main_~this_expect~0#1| 1) 2) (- 2)) 1) 1))} assume !(0 != main_#t~nondet42#1);havoc main_#t~nondet42#1;assume -2147483648 <= main_#t~nondet43#1 && main_#t~nondet43#1 <= 2147483647; {21361#(and (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (= (+ |ULTIMATE.start_main_~this_expect~0#1| (* (div (+ |ULTIMATE.start_main_~this_expect~0#1| 1) 2) (- 2)) 1) 1))} is VALID [2022-02-20 16:07:38,943 INFO L290 TraceCheckUtils]: 52: Hoare triple {21361#(and (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (= (+ |ULTIMATE.start_main_~this_expect~0#1| (* (div (+ |ULTIMATE.start_main_~this_expect~0#1| 1) 2) (- 2)) 1) 1))} assume 0 != main_#t~nondet43#1;havoc main_#t~nondet43#1; {21361#(and (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (= (+ |ULTIMATE.start_main_~this_expect~0#1| (* (div (+ |ULTIMATE.start_main_~this_expect~0#1| 1) 2) (- 2)) 1) 1))} is VALID [2022-02-20 16:07:38,943 INFO L290 TraceCheckUtils]: 53: Hoare triple {21361#(and (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (= (+ |ULTIMATE.start_main_~this_expect~0#1| (* (div (+ |ULTIMATE.start_main_~this_expect~0#1| 1) 2) (- 2)) 1) 1))} assume 0 != main_~P1~0#1 && !(1 != main_~P1~0#1 && 0 != main_~P1~0#1);main_~method_id~0#1 := 7; {21361#(and (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (= (+ |ULTIMATE.start_main_~this_expect~0#1| (* (div (+ |ULTIMATE.start_main_~this_expect~0#1| 1) 2) (- 2)) 1) 1))} is VALID [2022-02-20 16:07:38,944 INFO L290 TraceCheckUtils]: 54: Hoare triple {21361#(and (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (= (+ |ULTIMATE.start_main_~this_expect~0#1| (* (div (+ |ULTIMATE.start_main_~this_expect~0#1| 1) 2) (- 2)) 1) 1))} assume ((1 == main_~this_buffer_empty~0#1 && 0 != main_~P9~0#1) && 0 != main_~P9~0#1 && !(1 != main_~P9~0#1 && 0 != main_~P9~0#1)) || (((main_~P9~0#1 != (if main_~this_expect~0#1 - 1 < 0 && 0 != (main_~this_expect~0#1 - 1) % 2 then (main_~this_expect~0#1 - 1) % 2 - 2 else (main_~this_expect~0#1 - 1) % 2) && 1 != main_~this_buffer_empty~0#1) && 0 != main_~P9~0#1) && 0 != main_~P9~0#1 && !(1 != main_~P9~0#1 && 0 != main_~P9~0#1)); {21357#false} is VALID [2022-02-20 16:07:38,944 INFO L290 TraceCheckUtils]: 55: Hoare triple {21357#false} assume !false; {21357#false} is VALID [2022-02-20 16:07:38,944 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 12 proven. 31 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 16:07:38,945 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 16:07:38,945 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2022482933] [2022-02-20 16:07:38,945 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2022482933] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-20 16:07:38,945 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [843095979] [2022-02-20 16:07:38,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 16:07:38,945 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 16:07:38,945 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 16:07:38,960 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-20 16:07:38,961 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-02-20 16:07:39,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 16:07:39,058 INFO L263 TraceCheckSpWp]: Trace formula consists of 355 conjuncts, 19 conjunts are in the unsatisfiable core [2022-02-20 16:07:39,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 16:07:39,074 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-20 16:07:39,381 INFO L290 TraceCheckUtils]: 0: Hoare triple {21356#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(16, 2);call #Ultimate.allocInit(12, 3);~m_Protocol~0 := 1;~m_msg_2~0 := 2;~m_recv_ack_2~0 := 3;~m_msg_1_1~0 := 4;~m_msg_1_2~0 := 5;~m_recv_ack_1_1~0 := 6;~m_recv_ack_1_2~0 := 7; {21356#true} is VALID [2022-02-20 16:07:39,382 INFO L290 TraceCheckUtils]: 1: Hoare triple {21356#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~nondet5#1, main_#t~nondet6#1, main_#t~nondet7#1, main_#t~nondet8#1, main_#t~nondet9#1, main_#t~nondet10#1, main_#t~nondet11#1, main_#t~nondet12#1, main_#t~nondet13#1, main_#t~nondet14#1, main_#t~nondet15#1, main_#t~nondet16#1, main_#t~nondet17#1, main_#t~nondet18#1, main_#t~nondet19#1, main_#t~nondet20#1, main_#t~nondet21#1, main_#t~nondet22#1, main_#t~nondet23#1, main_#t~nondet24#1, main_#t~nondet25#1, main_#t~nondet26#1, main_#t~nondet27#1, main_#t~nondet28#1, main_#t~nondet29#1, main_#t~nondet30#1, main_#t~nondet31#1, main_#t~nondet32#1, main_#t~nondet33#1, main_#t~nondet34#1, main_#t~nondet35#1, main_#t~nondet36#1, main_#t~nondet37#1, main_#t~nondet38#1, main_#t~nondet39#1, main_#t~nondet40#1, main_#t~nondet41#1, main_#t~nondet42#1, main_#t~nondet43#1, main_~P1~0#1, main_~P2~0#1, main_~P3~0#1, main_~P4~0#1, main_~P5~0#1, main_~P6~0#1, main_~P7~0#1, main_~P8~0#1, main_~P9~0#1, main_~q~0#1, main_~method_id~0#1, main_~this_expect~0#1, main_~this_buffer_empty~0#1;main_~q~0#1 := 0;havoc main_~method_id~0#1;main_~this_expect~0#1 := 0;main_~this_buffer_empty~0#1 := 0; {21356#true} is VALID [2022-02-20 16:07:39,382 INFO L290 TraceCheckUtils]: 2: Hoare triple {21356#true} goto; {21356#true} is VALID [2022-02-20 16:07:39,382 INFO L290 TraceCheckUtils]: 3: Hoare triple {21356#true} assume !false;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_~P1~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647;main_~P2~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647;main_~P3~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;assume -2147483648 <= main_#t~nondet7#1 && main_#t~nondet7#1 <= 2147483647;main_~P4~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;assume -2147483648 <= main_#t~nondet8#1 && main_#t~nondet8#1 <= 2147483647;main_~P5~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647;main_~P6~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1;assume -2147483648 <= main_#t~nondet10#1 && main_#t~nondet10#1 <= 2147483647;main_~P7~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;assume -2147483648 <= main_#t~nondet11#1 && main_#t~nondet11#1 <= 2147483647;main_~P8~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;assume -2147483648 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 2147483647;main_~P9~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; {21356#true} is VALID [2022-02-20 16:07:39,382 INFO L290 TraceCheckUtils]: 4: Hoare triple {21356#true} assume !(main_~this_expect~0#1 > 16); {21356#true} is VALID [2022-02-20 16:07:39,382 INFO L290 TraceCheckUtils]: 5: Hoare triple {21356#true} assume 0 == main_~q~0#1;assume -2147483648 <= main_#t~nondet13#1 && main_#t~nondet13#1 <= 2147483647; {21356#true} is VALID [2022-02-20 16:07:39,382 INFO L290 TraceCheckUtils]: 6: Hoare triple {21356#true} assume 0 != main_#t~nondet13#1;havoc main_#t~nondet13#1; {21356#true} is VALID [2022-02-20 16:07:39,382 INFO L290 TraceCheckUtils]: 7: Hoare triple {21356#true} main_~method_id~0#1 := 1; {21356#true} is VALID [2022-02-20 16:07:39,383 INFO L290 TraceCheckUtils]: 8: Hoare triple {21356#true} assume !false;main_~q~0#1 := 1;main_~this_expect~0#1 := 0;main_~this_buffer_empty~0#1 := 1; {21358#(and (= |ULTIMATE.start_main_~this_expect~0#1| 0) (= (+ (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 0))} is VALID [2022-02-20 16:07:39,383 INFO L290 TraceCheckUtils]: 9: Hoare triple {21358#(and (= |ULTIMATE.start_main_~this_expect~0#1| 0) (= (+ (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 0))} assume !false;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_~P1~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647;main_~P2~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647;main_~P3~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;assume -2147483648 <= main_#t~nondet7#1 && main_#t~nondet7#1 <= 2147483647;main_~P4~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;assume -2147483648 <= main_#t~nondet8#1 && main_#t~nondet8#1 <= 2147483647;main_~P5~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647;main_~P6~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1;assume -2147483648 <= main_#t~nondet10#1 && main_#t~nondet10#1 <= 2147483647;main_~P7~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;assume -2147483648 <= main_#t~nondet11#1 && main_#t~nondet11#1 <= 2147483647;main_~P8~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;assume -2147483648 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 2147483647;main_~P9~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; {21358#(and (= |ULTIMATE.start_main_~this_expect~0#1| 0) (= (+ (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 0))} is VALID [2022-02-20 16:07:39,384 INFO L290 TraceCheckUtils]: 10: Hoare triple {21358#(and (= |ULTIMATE.start_main_~this_expect~0#1| 0) (= (+ (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 0))} assume !(main_~this_expect~0#1 > 16); {21358#(and (= |ULTIMATE.start_main_~this_expect~0#1| 0) (= (+ (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 0))} is VALID [2022-02-20 16:07:39,384 INFO L290 TraceCheckUtils]: 11: Hoare triple {21358#(and (= |ULTIMATE.start_main_~this_expect~0#1| 0) (= (+ (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 0))} assume !(0 == main_~q~0#1); {21358#(and (= |ULTIMATE.start_main_~this_expect~0#1| 0) (= (+ (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 0))} is VALID [2022-02-20 16:07:39,384 INFO L290 TraceCheckUtils]: 12: Hoare triple {21358#(and (= |ULTIMATE.start_main_~this_expect~0#1| 0) (= (+ (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 0))} assume 1 == main_~q~0#1;assume -2147483648 <= main_#t~nondet14#1 && main_#t~nondet14#1 <= 2147483647; {21358#(and (= |ULTIMATE.start_main_~this_expect~0#1| 0) (= (+ (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 0))} is VALID [2022-02-20 16:07:39,385 INFO L290 TraceCheckUtils]: 13: Hoare triple {21358#(and (= |ULTIMATE.start_main_~this_expect~0#1| 0) (= (+ (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 0))} assume 0 != main_#t~nondet14#1;havoc main_#t~nondet14#1; {21358#(and (= |ULTIMATE.start_main_~this_expect~0#1| 0) (= (+ (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 0))} is VALID [2022-02-20 16:07:39,385 INFO L290 TraceCheckUtils]: 14: Hoare triple {21358#(and (= |ULTIMATE.start_main_~this_expect~0#1| 0) (= (+ (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 0))} assume !(0 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2));main_~method_id~0#1 := 2; {21358#(and (= |ULTIMATE.start_main_~this_expect~0#1| 0) (= (+ (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 0))} is VALID [2022-02-20 16:07:39,386 INFO L290 TraceCheckUtils]: 15: Hoare triple {21358#(and (= |ULTIMATE.start_main_~this_expect~0#1| 0) (= (+ (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 0))} assume !((((if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2) != (if main_~this_expect~0#1 < 0 && 0 != main_~this_expect~0#1 % 2 then main_~this_expect~0#1 % 2 - 2 else main_~this_expect~0#1 % 2) && 1 == main_~this_buffer_empty~0#1) && !(0 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2))) || (1 != main_~this_buffer_empty~0#1 && !(0 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2))));main_~q~0#1 := 3;main_~this_expect~0#1 := 1 + main_~this_expect~0#1;main_~this_buffer_empty~0#1 := 1 - main_~this_buffer_empty~0#1; {21410#(and (= (+ (- 1) |ULTIMATE.start_main_~this_expect~0#1|) 0) (= 0 (* (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|)))} is VALID [2022-02-20 16:07:39,386 INFO L290 TraceCheckUtils]: 16: Hoare triple {21410#(and (= (+ (- 1) |ULTIMATE.start_main_~this_expect~0#1|) 0) (= 0 (* (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|)))} assume !false;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_~P1~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647;main_~P2~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647;main_~P3~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;assume -2147483648 <= main_#t~nondet7#1 && main_#t~nondet7#1 <= 2147483647;main_~P4~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;assume -2147483648 <= main_#t~nondet8#1 && main_#t~nondet8#1 <= 2147483647;main_~P5~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647;main_~P6~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1;assume -2147483648 <= main_#t~nondet10#1 && main_#t~nondet10#1 <= 2147483647;main_~P7~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;assume -2147483648 <= main_#t~nondet11#1 && main_#t~nondet11#1 <= 2147483647;main_~P8~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;assume -2147483648 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 2147483647;main_~P9~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; {21410#(and (= (+ (- 1) |ULTIMATE.start_main_~this_expect~0#1|) 0) (= 0 (* (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|)))} is VALID [2022-02-20 16:07:39,387 INFO L290 TraceCheckUtils]: 17: Hoare triple {21410#(and (= (+ (- 1) |ULTIMATE.start_main_~this_expect~0#1|) 0) (= 0 (* (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|)))} assume !(main_~this_expect~0#1 > 16); {21410#(and (= (+ (- 1) |ULTIMATE.start_main_~this_expect~0#1|) 0) (= 0 (* (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|)))} is VALID [2022-02-20 16:07:39,387 INFO L290 TraceCheckUtils]: 18: Hoare triple {21410#(and (= (+ (- 1) |ULTIMATE.start_main_~this_expect~0#1|) 0) (= 0 (* (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|)))} assume !(0 == main_~q~0#1); {21410#(and (= (+ (- 1) |ULTIMATE.start_main_~this_expect~0#1|) 0) (= 0 (* (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|)))} is VALID [2022-02-20 16:07:39,388 INFO L290 TraceCheckUtils]: 19: Hoare triple {21410#(and (= (+ (- 1) |ULTIMATE.start_main_~this_expect~0#1|) 0) (= 0 (* (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|)))} assume !(1 == main_~q~0#1); {21410#(and (= (+ (- 1) |ULTIMATE.start_main_~this_expect~0#1|) 0) (= 0 (* (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|)))} is VALID [2022-02-20 16:07:39,388 INFO L290 TraceCheckUtils]: 20: Hoare triple {21410#(and (= (+ (- 1) |ULTIMATE.start_main_~this_expect~0#1|) 0) (= 0 (* (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|)))} assume !(2 == main_~q~0#1); {21410#(and (= (+ (- 1) |ULTIMATE.start_main_~this_expect~0#1|) 0) (= 0 (* (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|)))} is VALID [2022-02-20 16:07:39,388 INFO L290 TraceCheckUtils]: 21: Hoare triple {21410#(and (= (+ (- 1) |ULTIMATE.start_main_~this_expect~0#1|) 0) (= 0 (* (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|)))} assume 3 == main_~q~0#1;assume -2147483648 <= main_#t~nondet26#1 && main_#t~nondet26#1 <= 2147483647; {21410#(and (= (+ (- 1) |ULTIMATE.start_main_~this_expect~0#1|) 0) (= 0 (* (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|)))} is VALID [2022-02-20 16:07:39,389 INFO L290 TraceCheckUtils]: 22: Hoare triple {21410#(and (= (+ (- 1) |ULTIMATE.start_main_~this_expect~0#1|) 0) (= 0 (* (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|)))} assume !(0 != main_#t~nondet26#1);havoc main_#t~nondet26#1;assume -2147483648 <= main_#t~nondet27#1 && main_#t~nondet27#1 <= 2147483647; {21410#(and (= (+ (- 1) |ULTIMATE.start_main_~this_expect~0#1|) 0) (= 0 (* (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|)))} is VALID [2022-02-20 16:07:39,389 INFO L290 TraceCheckUtils]: 23: Hoare triple {21410#(and (= (+ (- 1) |ULTIMATE.start_main_~this_expect~0#1|) 0) (= 0 (* (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|)))} assume 0 != main_#t~nondet27#1;havoc main_#t~nondet27#1; {21410#(and (= (+ (- 1) |ULTIMATE.start_main_~this_expect~0#1|) 0) (= 0 (* (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|)))} is VALID [2022-02-20 16:07:39,389 INFO L290 TraceCheckUtils]: 24: Hoare triple {21410#(and (= (+ (- 1) |ULTIMATE.start_main_~this_expect~0#1|) 0) (= 0 (* (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|)))} assume !(0 != main_~P1~0#1);main_~method_id~0#1 := 3; {21410#(and (= (+ (- 1) |ULTIMATE.start_main_~this_expect~0#1|) 0) (= 0 (* (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|)))} is VALID [2022-02-20 16:07:39,390 INFO L290 TraceCheckUtils]: 25: Hoare triple {21410#(and (= (+ (- 1) |ULTIMATE.start_main_~this_expect~0#1|) 0) (= 0 (* (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|)))} assume !((1 == main_~this_buffer_empty~0#1 && !(0 != main_~P3~0#1)) || ((main_~P3~0#1 != (if main_~this_expect~0#1 - 1 < 0 && 0 != (main_~this_expect~0#1 - 1) % 2 then (main_~this_expect~0#1 - 1) % 2 - 2 else (main_~this_expect~0#1 - 1) % 2) && 1 != main_~this_buffer_empty~0#1) && !(0 != main_~P3~0#1)));main_~q~0#1 := 4;main_~this_expect~0#1 := main_~this_expect~0#1;main_~this_buffer_empty~0#1 := 1 - main_~this_buffer_empty~0#1; {21441#(and (= (+ (- 1) |ULTIMATE.start_main_~this_expect~0#1|) 0) (= (+ (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 0))} is VALID [2022-02-20 16:07:39,391 INFO L290 TraceCheckUtils]: 26: Hoare triple {21441#(and (= (+ (- 1) |ULTIMATE.start_main_~this_expect~0#1|) 0) (= (+ (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 0))} assume !false;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_~P1~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647;main_~P2~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647;main_~P3~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;assume -2147483648 <= main_#t~nondet7#1 && main_#t~nondet7#1 <= 2147483647;main_~P4~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;assume -2147483648 <= main_#t~nondet8#1 && main_#t~nondet8#1 <= 2147483647;main_~P5~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647;main_~P6~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1;assume -2147483648 <= main_#t~nondet10#1 && main_#t~nondet10#1 <= 2147483647;main_~P7~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;assume -2147483648 <= main_#t~nondet11#1 && main_#t~nondet11#1 <= 2147483647;main_~P8~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;assume -2147483648 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 2147483647;main_~P9~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; {21441#(and (= (+ (- 1) |ULTIMATE.start_main_~this_expect~0#1|) 0) (= (+ (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 0))} is VALID [2022-02-20 16:07:39,391 INFO L290 TraceCheckUtils]: 27: Hoare triple {21441#(and (= (+ (- 1) |ULTIMATE.start_main_~this_expect~0#1|) 0) (= (+ (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 0))} assume !(main_~this_expect~0#1 > 16); {21441#(and (= (+ (- 1) |ULTIMATE.start_main_~this_expect~0#1|) 0) (= (+ (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 0))} is VALID [2022-02-20 16:07:39,391 INFO L290 TraceCheckUtils]: 28: Hoare triple {21441#(and (= (+ (- 1) |ULTIMATE.start_main_~this_expect~0#1|) 0) (= (+ (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 0))} assume !(0 == main_~q~0#1); {21441#(and (= (+ (- 1) |ULTIMATE.start_main_~this_expect~0#1|) 0) (= (+ (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 0))} is VALID [2022-02-20 16:07:39,392 INFO L290 TraceCheckUtils]: 29: Hoare triple {21441#(and (= (+ (- 1) |ULTIMATE.start_main_~this_expect~0#1|) 0) (= (+ (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 0))} assume !(1 == main_~q~0#1); {21441#(and (= (+ (- 1) |ULTIMATE.start_main_~this_expect~0#1|) 0) (= (+ (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 0))} is VALID [2022-02-20 16:07:39,392 INFO L290 TraceCheckUtils]: 30: Hoare triple {21441#(and (= (+ (- 1) |ULTIMATE.start_main_~this_expect~0#1|) 0) (= (+ (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 0))} assume !(2 == main_~q~0#1); {21441#(and (= (+ (- 1) |ULTIMATE.start_main_~this_expect~0#1|) 0) (= (+ (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 0))} is VALID [2022-02-20 16:07:39,392 INFO L290 TraceCheckUtils]: 31: Hoare triple {21441#(and (= (+ (- 1) |ULTIMATE.start_main_~this_expect~0#1|) 0) (= (+ (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 0))} assume !(3 == main_~q~0#1); {21441#(and (= (+ (- 1) |ULTIMATE.start_main_~this_expect~0#1|) 0) (= (+ (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 0))} is VALID [2022-02-20 16:07:39,393 INFO L290 TraceCheckUtils]: 32: Hoare triple {21441#(and (= (+ (- 1) |ULTIMATE.start_main_~this_expect~0#1|) 0) (= (+ (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 0))} assume 4 == main_~q~0#1;assume -2147483648 <= main_#t~nondet32#1 && main_#t~nondet32#1 <= 2147483647; {21441#(and (= (+ (- 1) |ULTIMATE.start_main_~this_expect~0#1|) 0) (= (+ (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 0))} is VALID [2022-02-20 16:07:39,393 INFO L290 TraceCheckUtils]: 33: Hoare triple {21441#(and (= (+ (- 1) |ULTIMATE.start_main_~this_expect~0#1|) 0) (= (+ (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 0))} assume !(0 != main_#t~nondet32#1);havoc main_#t~nondet32#1;assume -2147483648 <= main_#t~nondet33#1 && main_#t~nondet33#1 <= 2147483647; {21441#(and (= (+ (- 1) |ULTIMATE.start_main_~this_expect~0#1|) 0) (= (+ (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 0))} is VALID [2022-02-20 16:07:39,394 INFO L290 TraceCheckUtils]: 34: Hoare triple {21441#(and (= (+ (- 1) |ULTIMATE.start_main_~this_expect~0#1|) 0) (= (+ (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 0))} assume !(0 != main_#t~nondet33#1);havoc main_#t~nondet33#1;assume -2147483648 <= main_#t~nondet34#1 && main_#t~nondet34#1 <= 2147483647; {21441#(and (= (+ (- 1) |ULTIMATE.start_main_~this_expect~0#1|) 0) (= (+ (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 0))} is VALID [2022-02-20 16:07:39,394 INFO L290 TraceCheckUtils]: 35: Hoare triple {21441#(and (= (+ (- 1) |ULTIMATE.start_main_~this_expect~0#1|) 0) (= (+ (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 0))} assume !(0 != main_#t~nondet34#1);havoc main_#t~nondet34#1;assume -2147483648 <= main_#t~nondet35#1 && main_#t~nondet35#1 <= 2147483647; {21441#(and (= (+ (- 1) |ULTIMATE.start_main_~this_expect~0#1|) 0) (= (+ (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 0))} is VALID [2022-02-20 16:07:39,394 INFO L290 TraceCheckUtils]: 36: Hoare triple {21441#(and (= (+ (- 1) |ULTIMATE.start_main_~this_expect~0#1|) 0) (= (+ (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 0))} assume 0 != main_#t~nondet35#1;havoc main_#t~nondet35#1; {21441#(and (= (+ (- 1) |ULTIMATE.start_main_~this_expect~0#1|) 0) (= (+ (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 0))} is VALID [2022-02-20 16:07:39,395 INFO L290 TraceCheckUtils]: 37: Hoare triple {21441#(and (= (+ (- 1) |ULTIMATE.start_main_~this_expect~0#1|) 0) (= (+ (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 0))} assume 0 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2) && !(1 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2) && 0 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2));main_~method_id~0#1 := 5; {21441#(and (= (+ (- 1) |ULTIMATE.start_main_~this_expect~0#1|) 0) (= (+ (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 0))} is VALID [2022-02-20 16:07:39,395 INFO L290 TraceCheckUtils]: 38: Hoare triple {21441#(and (= (+ (- 1) |ULTIMATE.start_main_~this_expect~0#1|) 0) (= (+ (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 0))} assume !(((((if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2) != (if main_~this_expect~0#1 < 0 && 0 != main_~this_expect~0#1 % 2 then main_~this_expect~0#1 % 2 - 2 else main_~this_expect~0#1 % 2) && 1 == main_~this_buffer_empty~0#1) && 0 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2)) && 0 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2) && !(1 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2) && 0 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2))) || ((1 != main_~this_buffer_empty~0#1 && 0 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2)) && 0 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2) && !(1 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2) && 0 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2))));main_~q~0#1 := 5;main_~this_expect~0#1 := 1 + main_~this_expect~0#1;main_~this_buffer_empty~0#1 := 1 - main_~this_buffer_empty~0#1; {21481#(and (= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (= 2 |ULTIMATE.start_main_~this_expect~0#1|))} is VALID [2022-02-20 16:07:39,396 INFO L290 TraceCheckUtils]: 39: Hoare triple {21481#(and (= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (= 2 |ULTIMATE.start_main_~this_expect~0#1|))} assume !false;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_~P1~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647;main_~P2~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647;main_~P3~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;assume -2147483648 <= main_#t~nondet7#1 && main_#t~nondet7#1 <= 2147483647;main_~P4~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;assume -2147483648 <= main_#t~nondet8#1 && main_#t~nondet8#1 <= 2147483647;main_~P5~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647;main_~P6~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1;assume -2147483648 <= main_#t~nondet10#1 && main_#t~nondet10#1 <= 2147483647;main_~P7~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;assume -2147483648 <= main_#t~nondet11#1 && main_#t~nondet11#1 <= 2147483647;main_~P8~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;assume -2147483648 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 2147483647;main_~P9~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; {21481#(and (= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (= 2 |ULTIMATE.start_main_~this_expect~0#1|))} is VALID [2022-02-20 16:07:39,396 INFO L290 TraceCheckUtils]: 40: Hoare triple {21481#(and (= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (= 2 |ULTIMATE.start_main_~this_expect~0#1|))} assume !(main_~this_expect~0#1 > 16); {21481#(and (= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (= 2 |ULTIMATE.start_main_~this_expect~0#1|))} is VALID [2022-02-20 16:07:39,397 INFO L290 TraceCheckUtils]: 41: Hoare triple {21481#(and (= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (= 2 |ULTIMATE.start_main_~this_expect~0#1|))} assume !(0 == main_~q~0#1); {21481#(and (= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (= 2 |ULTIMATE.start_main_~this_expect~0#1|))} is VALID [2022-02-20 16:07:39,397 INFO L290 TraceCheckUtils]: 42: Hoare triple {21481#(and (= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (= 2 |ULTIMATE.start_main_~this_expect~0#1|))} assume !(1 == main_~q~0#1); {21481#(and (= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (= 2 |ULTIMATE.start_main_~this_expect~0#1|))} is VALID [2022-02-20 16:07:39,397 INFO L290 TraceCheckUtils]: 43: Hoare triple {21481#(and (= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (= 2 |ULTIMATE.start_main_~this_expect~0#1|))} assume !(2 == main_~q~0#1); {21481#(and (= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (= 2 |ULTIMATE.start_main_~this_expect~0#1|))} is VALID [2022-02-20 16:07:39,398 INFO L290 TraceCheckUtils]: 44: Hoare triple {21481#(and (= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (= 2 |ULTIMATE.start_main_~this_expect~0#1|))} assume !(3 == main_~q~0#1); {21481#(and (= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (= 2 |ULTIMATE.start_main_~this_expect~0#1|))} is VALID [2022-02-20 16:07:39,398 INFO L290 TraceCheckUtils]: 45: Hoare triple {21481#(and (= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (= 2 |ULTIMATE.start_main_~this_expect~0#1|))} assume !(4 == main_~q~0#1); {21481#(and (= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (= 2 |ULTIMATE.start_main_~this_expect~0#1|))} is VALID [2022-02-20 16:07:39,399 INFO L290 TraceCheckUtils]: 46: Hoare triple {21481#(and (= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (= 2 |ULTIMATE.start_main_~this_expect~0#1|))} assume 5 == main_~q~0#1;assume -2147483648 <= main_#t~nondet38#1 && main_#t~nondet38#1 <= 2147483647; {21481#(and (= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (= 2 |ULTIMATE.start_main_~this_expect~0#1|))} is VALID [2022-02-20 16:07:39,399 INFO L290 TraceCheckUtils]: 47: Hoare triple {21481#(and (= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (= 2 |ULTIMATE.start_main_~this_expect~0#1|))} assume !(0 != main_#t~nondet38#1);havoc main_#t~nondet38#1;assume -2147483648 <= main_#t~nondet39#1 && main_#t~nondet39#1 <= 2147483647; {21481#(and (= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (= 2 |ULTIMATE.start_main_~this_expect~0#1|))} is VALID [2022-02-20 16:07:39,399 INFO L290 TraceCheckUtils]: 48: Hoare triple {21481#(and (= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (= 2 |ULTIMATE.start_main_~this_expect~0#1|))} assume !(0 != main_#t~nondet39#1);havoc main_#t~nondet39#1;assume -2147483648 <= main_#t~nondet40#1 && main_#t~nondet40#1 <= 2147483647; {21481#(and (= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (= 2 |ULTIMATE.start_main_~this_expect~0#1|))} is VALID [2022-02-20 16:07:39,400 INFO L290 TraceCheckUtils]: 49: Hoare triple {21481#(and (= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (= 2 |ULTIMATE.start_main_~this_expect~0#1|))} assume !(0 != main_#t~nondet40#1);havoc main_#t~nondet40#1;assume -2147483648 <= main_#t~nondet41#1 && main_#t~nondet41#1 <= 2147483647; {21481#(and (= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (= 2 |ULTIMATE.start_main_~this_expect~0#1|))} is VALID [2022-02-20 16:07:39,400 INFO L290 TraceCheckUtils]: 50: Hoare triple {21481#(and (= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (= 2 |ULTIMATE.start_main_~this_expect~0#1|))} assume !(0 != main_#t~nondet41#1);havoc main_#t~nondet41#1;assume -2147483648 <= main_#t~nondet42#1 && main_#t~nondet42#1 <= 2147483647; {21481#(and (= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (= 2 |ULTIMATE.start_main_~this_expect~0#1|))} is VALID [2022-02-20 16:07:39,400 INFO L290 TraceCheckUtils]: 51: Hoare triple {21481#(and (= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (= 2 |ULTIMATE.start_main_~this_expect~0#1|))} assume !(0 != main_#t~nondet42#1);havoc main_#t~nondet42#1;assume -2147483648 <= main_#t~nondet43#1 && main_#t~nondet43#1 <= 2147483647; {21481#(and (= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (= 2 |ULTIMATE.start_main_~this_expect~0#1|))} is VALID [2022-02-20 16:07:39,401 INFO L290 TraceCheckUtils]: 52: Hoare triple {21481#(and (= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (= 2 |ULTIMATE.start_main_~this_expect~0#1|))} assume 0 != main_#t~nondet43#1;havoc main_#t~nondet43#1; {21481#(and (= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (= 2 |ULTIMATE.start_main_~this_expect~0#1|))} is VALID [2022-02-20 16:07:39,401 INFO L290 TraceCheckUtils]: 53: Hoare triple {21481#(and (= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (= 2 |ULTIMATE.start_main_~this_expect~0#1|))} assume 0 != main_~P1~0#1 && !(1 != main_~P1~0#1 && 0 != main_~P1~0#1);main_~method_id~0#1 := 7; {21481#(and (= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (= 2 |ULTIMATE.start_main_~this_expect~0#1|))} is VALID [2022-02-20 16:07:39,402 INFO L290 TraceCheckUtils]: 54: Hoare triple {21481#(and (= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (= 2 |ULTIMATE.start_main_~this_expect~0#1|))} assume ((1 == main_~this_buffer_empty~0#1 && 0 != main_~P9~0#1) && 0 != main_~P9~0#1 && !(1 != main_~P9~0#1 && 0 != main_~P9~0#1)) || (((main_~P9~0#1 != (if main_~this_expect~0#1 - 1 < 0 && 0 != (main_~this_expect~0#1 - 1) % 2 then (main_~this_expect~0#1 - 1) % 2 - 2 else (main_~this_expect~0#1 - 1) % 2) && 1 != main_~this_buffer_empty~0#1) && 0 != main_~P9~0#1) && 0 != main_~P9~0#1 && !(1 != main_~P9~0#1 && 0 != main_~P9~0#1)); {21357#false} is VALID [2022-02-20 16:07:39,402 INFO L290 TraceCheckUtils]: 55: Hoare triple {21357#false} assume !false; {21357#false} is VALID [2022-02-20 16:07:39,402 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 12 proven. 31 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 16:07:39,402 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-20 16:07:39,824 INFO L290 TraceCheckUtils]: 55: Hoare triple {21357#false} assume !false; {21357#false} is VALID [2022-02-20 16:07:39,825 INFO L290 TraceCheckUtils]: 54: Hoare triple {21536#(and (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (= 1 (mod (+ |ULTIMATE.start_main_~this_expect~0#1| 1) 2)) (not (= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1)))} assume ((1 == main_~this_buffer_empty~0#1 && 0 != main_~P9~0#1) && 0 != main_~P9~0#1 && !(1 != main_~P9~0#1 && 0 != main_~P9~0#1)) || (((main_~P9~0#1 != (if main_~this_expect~0#1 - 1 < 0 && 0 != (main_~this_expect~0#1 - 1) % 2 then (main_~this_expect~0#1 - 1) % 2 - 2 else (main_~this_expect~0#1 - 1) % 2) && 1 != main_~this_buffer_empty~0#1) && 0 != main_~P9~0#1) && 0 != main_~P9~0#1 && !(1 != main_~P9~0#1 && 0 != main_~P9~0#1)); {21357#false} is VALID [2022-02-20 16:07:39,825 INFO L290 TraceCheckUtils]: 53: Hoare triple {21536#(and (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (= 1 (mod (+ |ULTIMATE.start_main_~this_expect~0#1| 1) 2)) (not (= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1)))} assume 0 != main_~P1~0#1 && !(1 != main_~P1~0#1 && 0 != main_~P1~0#1);main_~method_id~0#1 := 7; {21536#(and (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (= 1 (mod (+ |ULTIMATE.start_main_~this_expect~0#1| 1) 2)) (not (= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1)))} is VALID [2022-02-20 16:07:39,826 INFO L290 TraceCheckUtils]: 52: Hoare triple {21536#(and (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (= 1 (mod (+ |ULTIMATE.start_main_~this_expect~0#1| 1) 2)) (not (= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1)))} assume 0 != main_#t~nondet43#1;havoc main_#t~nondet43#1; {21536#(and (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (= 1 (mod (+ |ULTIMATE.start_main_~this_expect~0#1| 1) 2)) (not (= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1)))} is VALID [2022-02-20 16:07:39,826 INFO L290 TraceCheckUtils]: 51: Hoare triple {21536#(and (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (= 1 (mod (+ |ULTIMATE.start_main_~this_expect~0#1| 1) 2)) (not (= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1)))} assume !(0 != main_#t~nondet42#1);havoc main_#t~nondet42#1;assume -2147483648 <= main_#t~nondet43#1 && main_#t~nondet43#1 <= 2147483647; {21536#(and (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (= 1 (mod (+ |ULTIMATE.start_main_~this_expect~0#1| 1) 2)) (not (= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1)))} is VALID [2022-02-20 16:07:39,826 INFO L290 TraceCheckUtils]: 50: Hoare triple {21536#(and (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (= 1 (mod (+ |ULTIMATE.start_main_~this_expect~0#1| 1) 2)) (not (= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1)))} assume !(0 != main_#t~nondet41#1);havoc main_#t~nondet41#1;assume -2147483648 <= main_#t~nondet42#1 && main_#t~nondet42#1 <= 2147483647; {21536#(and (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (= 1 (mod (+ |ULTIMATE.start_main_~this_expect~0#1| 1) 2)) (not (= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1)))} is VALID [2022-02-20 16:07:39,827 INFO L290 TraceCheckUtils]: 49: Hoare triple {21536#(and (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (= 1 (mod (+ |ULTIMATE.start_main_~this_expect~0#1| 1) 2)) (not (= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1)))} assume !(0 != main_#t~nondet40#1);havoc main_#t~nondet40#1;assume -2147483648 <= main_#t~nondet41#1 && main_#t~nondet41#1 <= 2147483647; {21536#(and (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (= 1 (mod (+ |ULTIMATE.start_main_~this_expect~0#1| 1) 2)) (not (= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1)))} is VALID [2022-02-20 16:07:39,827 INFO L290 TraceCheckUtils]: 48: Hoare triple {21536#(and (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (= 1 (mod (+ |ULTIMATE.start_main_~this_expect~0#1| 1) 2)) (not (= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1)))} assume !(0 != main_#t~nondet39#1);havoc main_#t~nondet39#1;assume -2147483648 <= main_#t~nondet40#1 && main_#t~nondet40#1 <= 2147483647; {21536#(and (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (= 1 (mod (+ |ULTIMATE.start_main_~this_expect~0#1| 1) 2)) (not (= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1)))} is VALID [2022-02-20 16:07:39,827 INFO L290 TraceCheckUtils]: 47: Hoare triple {21536#(and (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (= 1 (mod (+ |ULTIMATE.start_main_~this_expect~0#1| 1) 2)) (not (= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1)))} assume !(0 != main_#t~nondet38#1);havoc main_#t~nondet38#1;assume -2147483648 <= main_#t~nondet39#1 && main_#t~nondet39#1 <= 2147483647; {21536#(and (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (= 1 (mod (+ |ULTIMATE.start_main_~this_expect~0#1| 1) 2)) (not (= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1)))} is VALID [2022-02-20 16:07:39,828 INFO L290 TraceCheckUtils]: 46: Hoare triple {21536#(and (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (= 1 (mod (+ |ULTIMATE.start_main_~this_expect~0#1| 1) 2)) (not (= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1)))} assume 5 == main_~q~0#1;assume -2147483648 <= main_#t~nondet38#1 && main_#t~nondet38#1 <= 2147483647; {21536#(and (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (= 1 (mod (+ |ULTIMATE.start_main_~this_expect~0#1| 1) 2)) (not (= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1)))} is VALID [2022-02-20 16:07:39,828 INFO L290 TraceCheckUtils]: 45: Hoare triple {21536#(and (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (= 1 (mod (+ |ULTIMATE.start_main_~this_expect~0#1| 1) 2)) (not (= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1)))} assume !(4 == main_~q~0#1); {21536#(and (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (= 1 (mod (+ |ULTIMATE.start_main_~this_expect~0#1| 1) 2)) (not (= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1)))} is VALID [2022-02-20 16:07:39,828 INFO L290 TraceCheckUtils]: 44: Hoare triple {21536#(and (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (= 1 (mod (+ |ULTIMATE.start_main_~this_expect~0#1| 1) 2)) (not (= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1)))} assume !(3 == main_~q~0#1); {21536#(and (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (= 1 (mod (+ |ULTIMATE.start_main_~this_expect~0#1| 1) 2)) (not (= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1)))} is VALID [2022-02-20 16:07:39,828 INFO L290 TraceCheckUtils]: 43: Hoare triple {21536#(and (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (= 1 (mod (+ |ULTIMATE.start_main_~this_expect~0#1| 1) 2)) (not (= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1)))} assume !(2 == main_~q~0#1); {21536#(and (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (= 1 (mod (+ |ULTIMATE.start_main_~this_expect~0#1| 1) 2)) (not (= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1)))} is VALID [2022-02-20 16:07:39,829 INFO L290 TraceCheckUtils]: 42: Hoare triple {21536#(and (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (= 1 (mod (+ |ULTIMATE.start_main_~this_expect~0#1| 1) 2)) (not (= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1)))} assume !(1 == main_~q~0#1); {21536#(and (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (= 1 (mod (+ |ULTIMATE.start_main_~this_expect~0#1| 1) 2)) (not (= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1)))} is VALID [2022-02-20 16:07:39,829 INFO L290 TraceCheckUtils]: 41: Hoare triple {21536#(and (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (= 1 (mod (+ |ULTIMATE.start_main_~this_expect~0#1| 1) 2)) (not (= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1)))} assume !(0 == main_~q~0#1); {21536#(and (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (= 1 (mod (+ |ULTIMATE.start_main_~this_expect~0#1| 1) 2)) (not (= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1)))} is VALID [2022-02-20 16:07:39,829 INFO L290 TraceCheckUtils]: 40: Hoare triple {21536#(and (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (= 1 (mod (+ |ULTIMATE.start_main_~this_expect~0#1| 1) 2)) (not (= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1)))} assume !(main_~this_expect~0#1 > 16); {21536#(and (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (= 1 (mod (+ |ULTIMATE.start_main_~this_expect~0#1| 1) 2)) (not (= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1)))} is VALID [2022-02-20 16:07:39,830 INFO L290 TraceCheckUtils]: 39: Hoare triple {21536#(and (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (= 1 (mod (+ |ULTIMATE.start_main_~this_expect~0#1| 1) 2)) (not (= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1)))} assume !false;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_~P1~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647;main_~P2~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647;main_~P3~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;assume -2147483648 <= main_#t~nondet7#1 && main_#t~nondet7#1 <= 2147483647;main_~P4~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;assume -2147483648 <= main_#t~nondet8#1 && main_#t~nondet8#1 <= 2147483647;main_~P5~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647;main_~P6~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1;assume -2147483648 <= main_#t~nondet10#1 && main_#t~nondet10#1 <= 2147483647;main_~P7~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;assume -2147483648 <= main_#t~nondet11#1 && main_#t~nondet11#1 <= 2147483647;main_~P8~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;assume -2147483648 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 2147483647;main_~P9~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; {21536#(and (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (= 1 (mod (+ |ULTIMATE.start_main_~this_expect~0#1| 1) 2)) (not (= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1)))} is VALID [2022-02-20 16:07:39,831 INFO L290 TraceCheckUtils]: 38: Hoare triple {21585#(and (not (= (+ (* (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 1) 1)) (= (mod |ULTIMATE.start_main_~this_expect~0#1| 2) 1) (<= 0 |ULTIMATE.start_main_~this_expect~0#1|))} assume !(((((if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2) != (if main_~this_expect~0#1 < 0 && 0 != main_~this_expect~0#1 % 2 then main_~this_expect~0#1 % 2 - 2 else main_~this_expect~0#1 % 2) && 1 == main_~this_buffer_empty~0#1) && 0 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2)) && 0 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2) && !(1 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2) && 0 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2))) || ((1 != main_~this_buffer_empty~0#1 && 0 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2)) && 0 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2) && !(1 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2) && 0 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2))));main_~q~0#1 := 5;main_~this_expect~0#1 := 1 + main_~this_expect~0#1;main_~this_buffer_empty~0#1 := 1 - main_~this_buffer_empty~0#1; {21536#(and (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (= 1 (mod (+ |ULTIMATE.start_main_~this_expect~0#1| 1) 2)) (not (= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1)))} is VALID [2022-02-20 16:07:39,831 INFO L290 TraceCheckUtils]: 37: Hoare triple {21585#(and (not (= (+ (* (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 1) 1)) (= (mod |ULTIMATE.start_main_~this_expect~0#1| 2) 1) (<= 0 |ULTIMATE.start_main_~this_expect~0#1|))} assume 0 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2) && !(1 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2) && 0 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2));main_~method_id~0#1 := 5; {21585#(and (not (= (+ (* (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 1) 1)) (= (mod |ULTIMATE.start_main_~this_expect~0#1| 2) 1) (<= 0 |ULTIMATE.start_main_~this_expect~0#1|))} is VALID [2022-02-20 16:07:39,832 INFO L290 TraceCheckUtils]: 36: Hoare triple {21585#(and (not (= (+ (* (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 1) 1)) (= (mod |ULTIMATE.start_main_~this_expect~0#1| 2) 1) (<= 0 |ULTIMATE.start_main_~this_expect~0#1|))} assume 0 != main_#t~nondet35#1;havoc main_#t~nondet35#1; {21585#(and (not (= (+ (* (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 1) 1)) (= (mod |ULTIMATE.start_main_~this_expect~0#1| 2) 1) (<= 0 |ULTIMATE.start_main_~this_expect~0#1|))} is VALID [2022-02-20 16:07:39,832 INFO L290 TraceCheckUtils]: 35: Hoare triple {21585#(and (not (= (+ (* (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 1) 1)) (= (mod |ULTIMATE.start_main_~this_expect~0#1| 2) 1) (<= 0 |ULTIMATE.start_main_~this_expect~0#1|))} assume !(0 != main_#t~nondet34#1);havoc main_#t~nondet34#1;assume -2147483648 <= main_#t~nondet35#1 && main_#t~nondet35#1 <= 2147483647; {21585#(and (not (= (+ (* (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 1) 1)) (= (mod |ULTIMATE.start_main_~this_expect~0#1| 2) 1) (<= 0 |ULTIMATE.start_main_~this_expect~0#1|))} is VALID [2022-02-20 16:07:39,832 INFO L290 TraceCheckUtils]: 34: Hoare triple {21585#(and (not (= (+ (* (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 1) 1)) (= (mod |ULTIMATE.start_main_~this_expect~0#1| 2) 1) (<= 0 |ULTIMATE.start_main_~this_expect~0#1|))} assume !(0 != main_#t~nondet33#1);havoc main_#t~nondet33#1;assume -2147483648 <= main_#t~nondet34#1 && main_#t~nondet34#1 <= 2147483647; {21585#(and (not (= (+ (* (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 1) 1)) (= (mod |ULTIMATE.start_main_~this_expect~0#1| 2) 1) (<= 0 |ULTIMATE.start_main_~this_expect~0#1|))} is VALID [2022-02-20 16:07:39,833 INFO L290 TraceCheckUtils]: 33: Hoare triple {21585#(and (not (= (+ (* (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 1) 1)) (= (mod |ULTIMATE.start_main_~this_expect~0#1| 2) 1) (<= 0 |ULTIMATE.start_main_~this_expect~0#1|))} assume !(0 != main_#t~nondet32#1);havoc main_#t~nondet32#1;assume -2147483648 <= main_#t~nondet33#1 && main_#t~nondet33#1 <= 2147483647; {21585#(and (not (= (+ (* (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 1) 1)) (= (mod |ULTIMATE.start_main_~this_expect~0#1| 2) 1) (<= 0 |ULTIMATE.start_main_~this_expect~0#1|))} is VALID [2022-02-20 16:07:39,833 INFO L290 TraceCheckUtils]: 32: Hoare triple {21585#(and (not (= (+ (* (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 1) 1)) (= (mod |ULTIMATE.start_main_~this_expect~0#1| 2) 1) (<= 0 |ULTIMATE.start_main_~this_expect~0#1|))} assume 4 == main_~q~0#1;assume -2147483648 <= main_#t~nondet32#1 && main_#t~nondet32#1 <= 2147483647; {21585#(and (not (= (+ (* (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 1) 1)) (= (mod |ULTIMATE.start_main_~this_expect~0#1| 2) 1) (<= 0 |ULTIMATE.start_main_~this_expect~0#1|))} is VALID [2022-02-20 16:07:39,833 INFO L290 TraceCheckUtils]: 31: Hoare triple {21585#(and (not (= (+ (* (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 1) 1)) (= (mod |ULTIMATE.start_main_~this_expect~0#1| 2) 1) (<= 0 |ULTIMATE.start_main_~this_expect~0#1|))} assume !(3 == main_~q~0#1); {21585#(and (not (= (+ (* (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 1) 1)) (= (mod |ULTIMATE.start_main_~this_expect~0#1| 2) 1) (<= 0 |ULTIMATE.start_main_~this_expect~0#1|))} is VALID [2022-02-20 16:07:39,834 INFO L290 TraceCheckUtils]: 30: Hoare triple {21585#(and (not (= (+ (* (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 1) 1)) (= (mod |ULTIMATE.start_main_~this_expect~0#1| 2) 1) (<= 0 |ULTIMATE.start_main_~this_expect~0#1|))} assume !(2 == main_~q~0#1); {21585#(and (not (= (+ (* (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 1) 1)) (= (mod |ULTIMATE.start_main_~this_expect~0#1| 2) 1) (<= 0 |ULTIMATE.start_main_~this_expect~0#1|))} is VALID [2022-02-20 16:07:39,834 INFO L290 TraceCheckUtils]: 29: Hoare triple {21585#(and (not (= (+ (* (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 1) 1)) (= (mod |ULTIMATE.start_main_~this_expect~0#1| 2) 1) (<= 0 |ULTIMATE.start_main_~this_expect~0#1|))} assume !(1 == main_~q~0#1); {21585#(and (not (= (+ (* (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 1) 1)) (= (mod |ULTIMATE.start_main_~this_expect~0#1| 2) 1) (<= 0 |ULTIMATE.start_main_~this_expect~0#1|))} is VALID [2022-02-20 16:07:39,834 INFO L290 TraceCheckUtils]: 28: Hoare triple {21585#(and (not (= (+ (* (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 1) 1)) (= (mod |ULTIMATE.start_main_~this_expect~0#1| 2) 1) (<= 0 |ULTIMATE.start_main_~this_expect~0#1|))} assume !(0 == main_~q~0#1); {21585#(and (not (= (+ (* (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 1) 1)) (= (mod |ULTIMATE.start_main_~this_expect~0#1| 2) 1) (<= 0 |ULTIMATE.start_main_~this_expect~0#1|))} is VALID [2022-02-20 16:07:39,835 INFO L290 TraceCheckUtils]: 27: Hoare triple {21585#(and (not (= (+ (* (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 1) 1)) (= (mod |ULTIMATE.start_main_~this_expect~0#1| 2) 1) (<= 0 |ULTIMATE.start_main_~this_expect~0#1|))} assume !(main_~this_expect~0#1 > 16); {21585#(and (not (= (+ (* (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 1) 1)) (= (mod |ULTIMATE.start_main_~this_expect~0#1| 2) 1) (<= 0 |ULTIMATE.start_main_~this_expect~0#1|))} is VALID [2022-02-20 16:07:39,835 INFO L290 TraceCheckUtils]: 26: Hoare triple {21585#(and (not (= (+ (* (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 1) 1)) (= (mod |ULTIMATE.start_main_~this_expect~0#1| 2) 1) (<= 0 |ULTIMATE.start_main_~this_expect~0#1|))} assume !false;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_~P1~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647;main_~P2~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647;main_~P3~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;assume -2147483648 <= main_#t~nondet7#1 && main_#t~nondet7#1 <= 2147483647;main_~P4~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;assume -2147483648 <= main_#t~nondet8#1 && main_#t~nondet8#1 <= 2147483647;main_~P5~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647;main_~P6~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1;assume -2147483648 <= main_#t~nondet10#1 && main_#t~nondet10#1 <= 2147483647;main_~P7~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;assume -2147483648 <= main_#t~nondet11#1 && main_#t~nondet11#1 <= 2147483647;main_~P8~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;assume -2147483648 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 2147483647;main_~P9~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; {21585#(and (not (= (+ (* (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 1) 1)) (= (mod |ULTIMATE.start_main_~this_expect~0#1| 2) 1) (<= 0 |ULTIMATE.start_main_~this_expect~0#1|))} is VALID [2022-02-20 16:07:39,836 INFO L290 TraceCheckUtils]: 25: Hoare triple {21625#(and (not (= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1)) (= (mod |ULTIMATE.start_main_~this_expect~0#1| 2) 1) (<= 0 |ULTIMATE.start_main_~this_expect~0#1|))} assume !((1 == main_~this_buffer_empty~0#1 && !(0 != main_~P3~0#1)) || ((main_~P3~0#1 != (if main_~this_expect~0#1 - 1 < 0 && 0 != (main_~this_expect~0#1 - 1) % 2 then (main_~this_expect~0#1 - 1) % 2 - 2 else (main_~this_expect~0#1 - 1) % 2) && 1 != main_~this_buffer_empty~0#1) && !(0 != main_~P3~0#1)));main_~q~0#1 := 4;main_~this_expect~0#1 := main_~this_expect~0#1;main_~this_buffer_empty~0#1 := 1 - main_~this_buffer_empty~0#1; {21585#(and (not (= (+ (* (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 1) 1)) (= (mod |ULTIMATE.start_main_~this_expect~0#1| 2) 1) (<= 0 |ULTIMATE.start_main_~this_expect~0#1|))} is VALID [2022-02-20 16:07:39,836 INFO L290 TraceCheckUtils]: 24: Hoare triple {21625#(and (not (= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1)) (= (mod |ULTIMATE.start_main_~this_expect~0#1| 2) 1) (<= 0 |ULTIMATE.start_main_~this_expect~0#1|))} assume !(0 != main_~P1~0#1);main_~method_id~0#1 := 3; {21625#(and (not (= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1)) (= (mod |ULTIMATE.start_main_~this_expect~0#1| 2) 1) (<= 0 |ULTIMATE.start_main_~this_expect~0#1|))} is VALID [2022-02-20 16:07:39,836 INFO L290 TraceCheckUtils]: 23: Hoare triple {21625#(and (not (= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1)) (= (mod |ULTIMATE.start_main_~this_expect~0#1| 2) 1) (<= 0 |ULTIMATE.start_main_~this_expect~0#1|))} assume 0 != main_#t~nondet27#1;havoc main_#t~nondet27#1; {21625#(and (not (= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1)) (= (mod |ULTIMATE.start_main_~this_expect~0#1| 2) 1) (<= 0 |ULTIMATE.start_main_~this_expect~0#1|))} is VALID [2022-02-20 16:07:39,836 INFO L290 TraceCheckUtils]: 22: Hoare triple {21625#(and (not (= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1)) (= (mod |ULTIMATE.start_main_~this_expect~0#1| 2) 1) (<= 0 |ULTIMATE.start_main_~this_expect~0#1|))} assume !(0 != main_#t~nondet26#1);havoc main_#t~nondet26#1;assume -2147483648 <= main_#t~nondet27#1 && main_#t~nondet27#1 <= 2147483647; {21625#(and (not (= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1)) (= (mod |ULTIMATE.start_main_~this_expect~0#1| 2) 1) (<= 0 |ULTIMATE.start_main_~this_expect~0#1|))} is VALID [2022-02-20 16:07:39,837 INFO L290 TraceCheckUtils]: 21: Hoare triple {21625#(and (not (= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1)) (= (mod |ULTIMATE.start_main_~this_expect~0#1| 2) 1) (<= 0 |ULTIMATE.start_main_~this_expect~0#1|))} assume 3 == main_~q~0#1;assume -2147483648 <= main_#t~nondet26#1 && main_#t~nondet26#1 <= 2147483647; {21625#(and (not (= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1)) (= (mod |ULTIMATE.start_main_~this_expect~0#1| 2) 1) (<= 0 |ULTIMATE.start_main_~this_expect~0#1|))} is VALID [2022-02-20 16:07:39,837 INFO L290 TraceCheckUtils]: 20: Hoare triple {21625#(and (not (= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1)) (= (mod |ULTIMATE.start_main_~this_expect~0#1| 2) 1) (<= 0 |ULTIMATE.start_main_~this_expect~0#1|))} assume !(2 == main_~q~0#1); {21625#(and (not (= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1)) (= (mod |ULTIMATE.start_main_~this_expect~0#1| 2) 1) (<= 0 |ULTIMATE.start_main_~this_expect~0#1|))} is VALID [2022-02-20 16:07:39,837 INFO L290 TraceCheckUtils]: 19: Hoare triple {21625#(and (not (= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1)) (= (mod |ULTIMATE.start_main_~this_expect~0#1| 2) 1) (<= 0 |ULTIMATE.start_main_~this_expect~0#1|))} assume !(1 == main_~q~0#1); {21625#(and (not (= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1)) (= (mod |ULTIMATE.start_main_~this_expect~0#1| 2) 1) (<= 0 |ULTIMATE.start_main_~this_expect~0#1|))} is VALID [2022-02-20 16:07:39,838 INFO L290 TraceCheckUtils]: 18: Hoare triple {21625#(and (not (= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1)) (= (mod |ULTIMATE.start_main_~this_expect~0#1| 2) 1) (<= 0 |ULTIMATE.start_main_~this_expect~0#1|))} assume !(0 == main_~q~0#1); {21625#(and (not (= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1)) (= (mod |ULTIMATE.start_main_~this_expect~0#1| 2) 1) (<= 0 |ULTIMATE.start_main_~this_expect~0#1|))} is VALID [2022-02-20 16:07:39,838 INFO L290 TraceCheckUtils]: 17: Hoare triple {21625#(and (not (= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1)) (= (mod |ULTIMATE.start_main_~this_expect~0#1| 2) 1) (<= 0 |ULTIMATE.start_main_~this_expect~0#1|))} assume !(main_~this_expect~0#1 > 16); {21625#(and (not (= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1)) (= (mod |ULTIMATE.start_main_~this_expect~0#1| 2) 1) (<= 0 |ULTIMATE.start_main_~this_expect~0#1|))} is VALID [2022-02-20 16:07:39,838 INFO L290 TraceCheckUtils]: 16: Hoare triple {21625#(and (not (= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1)) (= (mod |ULTIMATE.start_main_~this_expect~0#1| 2) 1) (<= 0 |ULTIMATE.start_main_~this_expect~0#1|))} assume !false;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_~P1~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647;main_~P2~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647;main_~P3~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;assume -2147483648 <= main_#t~nondet7#1 && main_#t~nondet7#1 <= 2147483647;main_~P4~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;assume -2147483648 <= main_#t~nondet8#1 && main_#t~nondet8#1 <= 2147483647;main_~P5~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647;main_~P6~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1;assume -2147483648 <= main_#t~nondet10#1 && main_#t~nondet10#1 <= 2147483647;main_~P7~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;assume -2147483648 <= main_#t~nondet11#1 && main_#t~nondet11#1 <= 2147483647;main_~P8~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;assume -2147483648 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 2147483647;main_~P9~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; {21625#(and (not (= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1)) (= (mod |ULTIMATE.start_main_~this_expect~0#1| 2) 1) (<= 0 |ULTIMATE.start_main_~this_expect~0#1|))} is VALID [2022-02-20 16:07:39,839 INFO L290 TraceCheckUtils]: 15: Hoare triple {21656#(and (not (= (+ (* (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 1) 1)) (<= 0 (+ |ULTIMATE.start_main_~this_expect~0#1| 1)) (= 1 (mod (+ |ULTIMATE.start_main_~this_expect~0#1| 1) 2)))} assume !((((if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2) != (if main_~this_expect~0#1 < 0 && 0 != main_~this_expect~0#1 % 2 then main_~this_expect~0#1 % 2 - 2 else main_~this_expect~0#1 % 2) && 1 == main_~this_buffer_empty~0#1) && !(0 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2))) || (1 != main_~this_buffer_empty~0#1 && !(0 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2))));main_~q~0#1 := 3;main_~this_expect~0#1 := 1 + main_~this_expect~0#1;main_~this_buffer_empty~0#1 := 1 - main_~this_buffer_empty~0#1; {21625#(and (not (= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1)) (= (mod |ULTIMATE.start_main_~this_expect~0#1| 2) 1) (<= 0 |ULTIMATE.start_main_~this_expect~0#1|))} is VALID [2022-02-20 16:07:39,840 INFO L290 TraceCheckUtils]: 14: Hoare triple {21656#(and (not (= (+ (* (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 1) 1)) (<= 0 (+ |ULTIMATE.start_main_~this_expect~0#1| 1)) (= 1 (mod (+ |ULTIMATE.start_main_~this_expect~0#1| 1) 2)))} assume !(0 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2));main_~method_id~0#1 := 2; {21656#(and (not (= (+ (* (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 1) 1)) (<= 0 (+ |ULTIMATE.start_main_~this_expect~0#1| 1)) (= 1 (mod (+ |ULTIMATE.start_main_~this_expect~0#1| 1) 2)))} is VALID [2022-02-20 16:07:39,840 INFO L290 TraceCheckUtils]: 13: Hoare triple {21656#(and (not (= (+ (* (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 1) 1)) (<= 0 (+ |ULTIMATE.start_main_~this_expect~0#1| 1)) (= 1 (mod (+ |ULTIMATE.start_main_~this_expect~0#1| 1) 2)))} assume 0 != main_#t~nondet14#1;havoc main_#t~nondet14#1; {21656#(and (not (= (+ (* (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 1) 1)) (<= 0 (+ |ULTIMATE.start_main_~this_expect~0#1| 1)) (= 1 (mod (+ |ULTIMATE.start_main_~this_expect~0#1| 1) 2)))} is VALID [2022-02-20 16:07:39,840 INFO L290 TraceCheckUtils]: 12: Hoare triple {21656#(and (not (= (+ (* (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 1) 1)) (<= 0 (+ |ULTIMATE.start_main_~this_expect~0#1| 1)) (= 1 (mod (+ |ULTIMATE.start_main_~this_expect~0#1| 1) 2)))} assume 1 == main_~q~0#1;assume -2147483648 <= main_#t~nondet14#1 && main_#t~nondet14#1 <= 2147483647; {21656#(and (not (= (+ (* (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 1) 1)) (<= 0 (+ |ULTIMATE.start_main_~this_expect~0#1| 1)) (= 1 (mod (+ |ULTIMATE.start_main_~this_expect~0#1| 1) 2)))} is VALID [2022-02-20 16:07:39,840 INFO L290 TraceCheckUtils]: 11: Hoare triple {21656#(and (not (= (+ (* (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 1) 1)) (<= 0 (+ |ULTIMATE.start_main_~this_expect~0#1| 1)) (= 1 (mod (+ |ULTIMATE.start_main_~this_expect~0#1| 1) 2)))} assume !(0 == main_~q~0#1); {21656#(and (not (= (+ (* (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 1) 1)) (<= 0 (+ |ULTIMATE.start_main_~this_expect~0#1| 1)) (= 1 (mod (+ |ULTIMATE.start_main_~this_expect~0#1| 1) 2)))} is VALID [2022-02-20 16:07:39,841 INFO L290 TraceCheckUtils]: 10: Hoare triple {21656#(and (not (= (+ (* (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 1) 1)) (<= 0 (+ |ULTIMATE.start_main_~this_expect~0#1| 1)) (= 1 (mod (+ |ULTIMATE.start_main_~this_expect~0#1| 1) 2)))} assume !(main_~this_expect~0#1 > 16); {21656#(and (not (= (+ (* (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 1) 1)) (<= 0 (+ |ULTIMATE.start_main_~this_expect~0#1| 1)) (= 1 (mod (+ |ULTIMATE.start_main_~this_expect~0#1| 1) 2)))} is VALID [2022-02-20 16:07:39,841 INFO L290 TraceCheckUtils]: 9: Hoare triple {21656#(and (not (= (+ (* (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 1) 1)) (<= 0 (+ |ULTIMATE.start_main_~this_expect~0#1| 1)) (= 1 (mod (+ |ULTIMATE.start_main_~this_expect~0#1| 1) 2)))} assume !false;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_~P1~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647;main_~P2~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647;main_~P3~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;assume -2147483648 <= main_#t~nondet7#1 && main_#t~nondet7#1 <= 2147483647;main_~P4~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;assume -2147483648 <= main_#t~nondet8#1 && main_#t~nondet8#1 <= 2147483647;main_~P5~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647;main_~P6~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1;assume -2147483648 <= main_#t~nondet10#1 && main_#t~nondet10#1 <= 2147483647;main_~P7~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;assume -2147483648 <= main_#t~nondet11#1 && main_#t~nondet11#1 <= 2147483647;main_~P8~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;assume -2147483648 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 2147483647;main_~P9~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; {21656#(and (not (= (+ (* (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 1) 1)) (<= 0 (+ |ULTIMATE.start_main_~this_expect~0#1| 1)) (= 1 (mod (+ |ULTIMATE.start_main_~this_expect~0#1| 1) 2)))} is VALID [2022-02-20 16:07:39,842 INFO L290 TraceCheckUtils]: 8: Hoare triple {21356#true} assume !false;main_~q~0#1 := 1;main_~this_expect~0#1 := 0;main_~this_buffer_empty~0#1 := 1; {21656#(and (not (= (+ (* (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 1) 1)) (<= 0 (+ |ULTIMATE.start_main_~this_expect~0#1| 1)) (= 1 (mod (+ |ULTIMATE.start_main_~this_expect~0#1| 1) 2)))} is VALID [2022-02-20 16:07:39,842 INFO L290 TraceCheckUtils]: 7: Hoare triple {21356#true} main_~method_id~0#1 := 1; {21356#true} is VALID [2022-02-20 16:07:39,842 INFO L290 TraceCheckUtils]: 6: Hoare triple {21356#true} assume 0 != main_#t~nondet13#1;havoc main_#t~nondet13#1; {21356#true} is VALID [2022-02-20 16:07:39,842 INFO L290 TraceCheckUtils]: 5: Hoare triple {21356#true} assume 0 == main_~q~0#1;assume -2147483648 <= main_#t~nondet13#1 && main_#t~nondet13#1 <= 2147483647; {21356#true} is VALID [2022-02-20 16:07:39,842 INFO L290 TraceCheckUtils]: 4: Hoare triple {21356#true} assume !(main_~this_expect~0#1 > 16); {21356#true} is VALID [2022-02-20 16:07:39,842 INFO L290 TraceCheckUtils]: 3: Hoare triple {21356#true} assume !false;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_~P1~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647;main_~P2~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647;main_~P3~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;assume -2147483648 <= main_#t~nondet7#1 && main_#t~nondet7#1 <= 2147483647;main_~P4~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;assume -2147483648 <= main_#t~nondet8#1 && main_#t~nondet8#1 <= 2147483647;main_~P5~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647;main_~P6~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1;assume -2147483648 <= main_#t~nondet10#1 && main_#t~nondet10#1 <= 2147483647;main_~P7~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;assume -2147483648 <= main_#t~nondet11#1 && main_#t~nondet11#1 <= 2147483647;main_~P8~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;assume -2147483648 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 2147483647;main_~P9~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; {21356#true} is VALID [2022-02-20 16:07:39,842 INFO L290 TraceCheckUtils]: 2: Hoare triple {21356#true} goto; {21356#true} is VALID [2022-02-20 16:07:39,842 INFO L290 TraceCheckUtils]: 1: Hoare triple {21356#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~nondet5#1, main_#t~nondet6#1, main_#t~nondet7#1, main_#t~nondet8#1, main_#t~nondet9#1, main_#t~nondet10#1, main_#t~nondet11#1, main_#t~nondet12#1, main_#t~nondet13#1, main_#t~nondet14#1, main_#t~nondet15#1, main_#t~nondet16#1, main_#t~nondet17#1, main_#t~nondet18#1, main_#t~nondet19#1, main_#t~nondet20#1, main_#t~nondet21#1, main_#t~nondet22#1, main_#t~nondet23#1, main_#t~nondet24#1, main_#t~nondet25#1, main_#t~nondet26#1, main_#t~nondet27#1, main_#t~nondet28#1, main_#t~nondet29#1, main_#t~nondet30#1, main_#t~nondet31#1, main_#t~nondet32#1, main_#t~nondet33#1, main_#t~nondet34#1, main_#t~nondet35#1, main_#t~nondet36#1, main_#t~nondet37#1, main_#t~nondet38#1, main_#t~nondet39#1, main_#t~nondet40#1, main_#t~nondet41#1, main_#t~nondet42#1, main_#t~nondet43#1, main_~P1~0#1, main_~P2~0#1, main_~P3~0#1, main_~P4~0#1, main_~P5~0#1, main_~P6~0#1, main_~P7~0#1, main_~P8~0#1, main_~P9~0#1, main_~q~0#1, main_~method_id~0#1, main_~this_expect~0#1, main_~this_buffer_empty~0#1;main_~q~0#1 := 0;havoc main_~method_id~0#1;main_~this_expect~0#1 := 0;main_~this_buffer_empty~0#1 := 0; {21356#true} is VALID [2022-02-20 16:07:39,843 INFO L290 TraceCheckUtils]: 0: Hoare triple {21356#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(16, 2);call #Ultimate.allocInit(12, 3);~m_Protocol~0 := 1;~m_msg_2~0 := 2;~m_recv_ack_2~0 := 3;~m_msg_1_1~0 := 4;~m_msg_1_2~0 := 5;~m_recv_ack_1_1~0 := 6;~m_recv_ack_1_2~0 := 7; {21356#true} is VALID [2022-02-20 16:07:39,843 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 12 proven. 31 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 16:07:39,843 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [843095979] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-20 16:07:39,843 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-20 16:07:39,843 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 13 [2022-02-20 16:07:39,843 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1308130582] [2022-02-20 16:07:39,843 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-20 16:07:39,844 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 11.0) internal successors, (143), 13 states have internal predecessors, (143), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 56 [2022-02-20 16:07:39,844 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 16:07:39,844 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 13 states, 13 states have (on average 11.0) internal successors, (143), 13 states have internal predecessors, (143), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:07:39,938 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 143 edges. 143 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 16:07:39,939 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-02-20 16:07:39,939 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 16:07:39,939 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-02-20 16:07:39,940 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2022-02-20 16:07:39,940 INFO L87 Difference]: Start difference. First operand 628 states and 896 transitions. Second operand has 13 states, 13 states have (on average 11.0) internal successors, (143), 13 states have internal predecessors, (143), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:07:40,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 16:07:40,851 INFO L93 Difference]: Finished difference Result 636 states and 900 transitions. [2022-02-20 16:07:40,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-20 16:07:40,852 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 11.0) internal successors, (143), 13 states have internal predecessors, (143), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 56 [2022-02-20 16:07:40,852 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 16:07:40,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 13 states have (on average 11.0) internal successors, (143), 13 states have internal predecessors, (143), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:07:40,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 345 transitions. [2022-02-20 16:07:40,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 13 states have (on average 11.0) internal successors, (143), 13 states have internal predecessors, (143), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:07:40,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 345 transitions. [2022-02-20 16:07:40,855 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 11 states and 345 transitions. [2022-02-20 16:07:41,088 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 345 edges. 345 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 16:07:41,102 INFO L225 Difference]: With dead ends: 636 [2022-02-20 16:07:41,102 INFO L226 Difference]: Without dead ends: 634 [2022-02-20 16:07:41,102 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 104 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=37, Invalid=145, Unknown=0, NotChecked=0, Total=182 [2022-02-20 16:07:41,103 INFO L933 BasicCegarLoop]: 127 mSDtfsCounter, 145 mSDsluCounter, 1065 mSDsCounter, 0 mSdLazyCounter, 229 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 145 SdHoareTripleChecker+Valid, 1192 SdHoareTripleChecker+Invalid, 234 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 229 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-02-20 16:07:41,103 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [145 Valid, 1192 Invalid, 234 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 229 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-02-20 16:07:41,103 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 634 states. [2022-02-20 16:07:41,222 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 634 to 628. [2022-02-20 16:07:41,222 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 16:07:41,222 INFO L82 GeneralOperation]: Start isEquivalent. First operand 634 states. Second operand has 628 states, 627 states have (on average 1.4210526315789473) internal successors, (891), 627 states have internal predecessors, (891), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:07:41,223 INFO L74 IsIncluded]: Start isIncluded. First operand 634 states. Second operand has 628 states, 627 states have (on average 1.4210526315789473) internal successors, (891), 627 states have internal predecessors, (891), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:07:41,223 INFO L87 Difference]: Start difference. First operand 634 states. Second operand has 628 states, 627 states have (on average 1.4210526315789473) internal successors, (891), 627 states have internal predecessors, (891), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:07:41,234 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 16:07:41,234 INFO L93 Difference]: Finished difference Result 634 states and 894 transitions. [2022-02-20 16:07:41,234 INFO L276 IsEmpty]: Start isEmpty. Operand 634 states and 894 transitions. [2022-02-20 16:07:41,235 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 16:07:41,235 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 16:07:41,236 INFO L74 IsIncluded]: Start isIncluded. First operand has 628 states, 627 states have (on average 1.4210526315789473) internal successors, (891), 627 states have internal predecessors, (891), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 634 states. [2022-02-20 16:07:41,236 INFO L87 Difference]: Start difference. First operand has 628 states, 627 states have (on average 1.4210526315789473) internal successors, (891), 627 states have internal predecessors, (891), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 634 states. [2022-02-20 16:07:41,247 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 16:07:41,247 INFO L93 Difference]: Finished difference Result 634 states and 894 transitions. [2022-02-20 16:07:41,247 INFO L276 IsEmpty]: Start isEmpty. Operand 634 states and 894 transitions. [2022-02-20 16:07:41,248 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 16:07:41,248 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 16:07:41,248 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 16:07:41,248 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 16:07:41,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 628 states, 627 states have (on average 1.4210526315789473) internal successors, (891), 627 states have internal predecessors, (891), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:07:41,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 628 states to 628 states and 891 transitions. [2022-02-20 16:07:41,259 INFO L78 Accepts]: Start accepts. Automaton has 628 states and 891 transitions. Word has length 56 [2022-02-20 16:07:41,260 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 16:07:41,260 INFO L470 AbstractCegarLoop]: Abstraction has 628 states and 891 transitions. [2022-02-20 16:07:41,260 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 11.0) internal successors, (143), 13 states have internal predecessors, (143), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:07:41,260 INFO L276 IsEmpty]: Start isEmpty. Operand 628 states and 891 transitions. [2022-02-20 16:07:41,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2022-02-20 16:07:41,260 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 16:07:41,260 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 5, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 16:07:41,278 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-02-20 16:07:41,476 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2022-02-20 16:07:41,476 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-20 16:07:41,477 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 16:07:41,477 INFO L85 PathProgramCache]: Analyzing trace with hash 1029731011, now seen corresponding path program 1 times [2022-02-20 16:07:41,477 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 16:07:41,477 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1870448450] [2022-02-20 16:07:41,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 16:07:41,477 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 16:07:41,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 16:07:41,792 INFO L290 TraceCheckUtils]: 0: Hoare triple {24331#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(16, 2);call #Ultimate.allocInit(12, 3);~m_Protocol~0 := 1;~m_msg_2~0 := 2;~m_recv_ack_2~0 := 3;~m_msg_1_1~0 := 4;~m_msg_1_2~0 := 5;~m_recv_ack_1_1~0 := 6;~m_recv_ack_1_2~0 := 7; {24331#true} is VALID [2022-02-20 16:07:41,792 INFO L290 TraceCheckUtils]: 1: Hoare triple {24331#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~nondet5#1, main_#t~nondet6#1, main_#t~nondet7#1, main_#t~nondet8#1, main_#t~nondet9#1, main_#t~nondet10#1, main_#t~nondet11#1, main_#t~nondet12#1, main_#t~nondet13#1, main_#t~nondet14#1, main_#t~nondet15#1, main_#t~nondet16#1, main_#t~nondet17#1, main_#t~nondet18#1, main_#t~nondet19#1, main_#t~nondet20#1, main_#t~nondet21#1, main_#t~nondet22#1, main_#t~nondet23#1, main_#t~nondet24#1, main_#t~nondet25#1, main_#t~nondet26#1, main_#t~nondet27#1, main_#t~nondet28#1, main_#t~nondet29#1, main_#t~nondet30#1, main_#t~nondet31#1, main_#t~nondet32#1, main_#t~nondet33#1, main_#t~nondet34#1, main_#t~nondet35#1, main_#t~nondet36#1, main_#t~nondet37#1, main_#t~nondet38#1, main_#t~nondet39#1, main_#t~nondet40#1, main_#t~nondet41#1, main_#t~nondet42#1, main_#t~nondet43#1, main_~P1~0#1, main_~P2~0#1, main_~P3~0#1, main_~P4~0#1, main_~P5~0#1, main_~P6~0#1, main_~P7~0#1, main_~P8~0#1, main_~P9~0#1, main_~q~0#1, main_~method_id~0#1, main_~this_expect~0#1, main_~this_buffer_empty~0#1;main_~q~0#1 := 0;havoc main_~method_id~0#1;main_~this_expect~0#1 := 0;main_~this_buffer_empty~0#1 := 0; {24331#true} is VALID [2022-02-20 16:07:41,792 INFO L290 TraceCheckUtils]: 2: Hoare triple {24331#true} goto; {24331#true} is VALID [2022-02-20 16:07:41,792 INFO L290 TraceCheckUtils]: 3: Hoare triple {24331#true} assume !false;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_~P1~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647;main_~P2~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647;main_~P3~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;assume -2147483648 <= main_#t~nondet7#1 && main_#t~nondet7#1 <= 2147483647;main_~P4~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;assume -2147483648 <= main_#t~nondet8#1 && main_#t~nondet8#1 <= 2147483647;main_~P5~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647;main_~P6~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1;assume -2147483648 <= main_#t~nondet10#1 && main_#t~nondet10#1 <= 2147483647;main_~P7~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;assume -2147483648 <= main_#t~nondet11#1 && main_#t~nondet11#1 <= 2147483647;main_~P8~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;assume -2147483648 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 2147483647;main_~P9~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; {24331#true} is VALID [2022-02-20 16:07:41,792 INFO L290 TraceCheckUtils]: 4: Hoare triple {24331#true} assume !(main_~this_expect~0#1 > 16); {24331#true} is VALID [2022-02-20 16:07:41,793 INFO L290 TraceCheckUtils]: 5: Hoare triple {24331#true} assume 0 == main_~q~0#1;assume -2147483648 <= main_#t~nondet13#1 && main_#t~nondet13#1 <= 2147483647; {24331#true} is VALID [2022-02-20 16:07:41,793 INFO L290 TraceCheckUtils]: 6: Hoare triple {24331#true} assume 0 != main_#t~nondet13#1;havoc main_#t~nondet13#1; {24331#true} is VALID [2022-02-20 16:07:41,793 INFO L290 TraceCheckUtils]: 7: Hoare triple {24331#true} main_~method_id~0#1 := 1; {24331#true} is VALID [2022-02-20 16:07:41,793 INFO L290 TraceCheckUtils]: 8: Hoare triple {24331#true} assume !false;main_~q~0#1 := 1;main_~this_expect~0#1 := 0;main_~this_buffer_empty~0#1 := 1; {24333#(and (= |ULTIMATE.start_main_~this_expect~0#1| 0) (= (+ (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 0))} is VALID [2022-02-20 16:07:41,794 INFO L290 TraceCheckUtils]: 9: Hoare triple {24333#(and (= |ULTIMATE.start_main_~this_expect~0#1| 0) (= (+ (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 0))} assume !false;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_~P1~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647;main_~P2~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647;main_~P3~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;assume -2147483648 <= main_#t~nondet7#1 && main_#t~nondet7#1 <= 2147483647;main_~P4~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;assume -2147483648 <= main_#t~nondet8#1 && main_#t~nondet8#1 <= 2147483647;main_~P5~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647;main_~P6~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1;assume -2147483648 <= main_#t~nondet10#1 && main_#t~nondet10#1 <= 2147483647;main_~P7~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;assume -2147483648 <= main_#t~nondet11#1 && main_#t~nondet11#1 <= 2147483647;main_~P8~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;assume -2147483648 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 2147483647;main_~P9~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; {24333#(and (= |ULTIMATE.start_main_~this_expect~0#1| 0) (= (+ (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 0))} is VALID [2022-02-20 16:07:41,794 INFO L290 TraceCheckUtils]: 10: Hoare triple {24333#(and (= |ULTIMATE.start_main_~this_expect~0#1| 0) (= (+ (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 0))} assume !(main_~this_expect~0#1 > 16); {24333#(and (= |ULTIMATE.start_main_~this_expect~0#1| 0) (= (+ (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 0))} is VALID [2022-02-20 16:07:41,795 INFO L290 TraceCheckUtils]: 11: Hoare triple {24333#(and (= |ULTIMATE.start_main_~this_expect~0#1| 0) (= (+ (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 0))} assume !(0 == main_~q~0#1); {24333#(and (= |ULTIMATE.start_main_~this_expect~0#1| 0) (= (+ (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 0))} is VALID [2022-02-20 16:07:41,795 INFO L290 TraceCheckUtils]: 12: Hoare triple {24333#(and (= |ULTIMATE.start_main_~this_expect~0#1| 0) (= (+ (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 0))} assume 1 == main_~q~0#1;assume -2147483648 <= main_#t~nondet14#1 && main_#t~nondet14#1 <= 2147483647; {24333#(and (= |ULTIMATE.start_main_~this_expect~0#1| 0) (= (+ (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 0))} is VALID [2022-02-20 16:07:41,795 INFO L290 TraceCheckUtils]: 13: Hoare triple {24333#(and (= |ULTIMATE.start_main_~this_expect~0#1| 0) (= (+ (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 0))} assume 0 != main_#t~nondet14#1;havoc main_#t~nondet14#1; {24333#(and (= |ULTIMATE.start_main_~this_expect~0#1| 0) (= (+ (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 0))} is VALID [2022-02-20 16:07:41,796 INFO L290 TraceCheckUtils]: 14: Hoare triple {24333#(and (= |ULTIMATE.start_main_~this_expect~0#1| 0) (= (+ (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 0))} assume !(0 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2));main_~method_id~0#1 := 2; {24333#(and (= |ULTIMATE.start_main_~this_expect~0#1| 0) (= (+ (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 0))} is VALID [2022-02-20 16:07:41,796 INFO L290 TraceCheckUtils]: 15: Hoare triple {24333#(and (= |ULTIMATE.start_main_~this_expect~0#1| 0) (= (+ (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 0))} assume !((((if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2) != (if main_~this_expect~0#1 < 0 && 0 != main_~this_expect~0#1 % 2 then main_~this_expect~0#1 % 2 - 2 else main_~this_expect~0#1 % 2) && 1 == main_~this_buffer_empty~0#1) && !(0 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2))) || (1 != main_~this_buffer_empty~0#1 && !(0 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2))));main_~q~0#1 := 3;main_~this_expect~0#1 := 1 + main_~this_expect~0#1;main_~this_buffer_empty~0#1 := 1 - main_~this_buffer_empty~0#1; {24334#(and (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_expect~0#1| 1) (<= 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|))} is VALID [2022-02-20 16:07:41,797 INFO L290 TraceCheckUtils]: 16: Hoare triple {24334#(and (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_expect~0#1| 1) (<= 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|))} assume !false;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_~P1~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647;main_~P2~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647;main_~P3~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;assume -2147483648 <= main_#t~nondet7#1 && main_#t~nondet7#1 <= 2147483647;main_~P4~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;assume -2147483648 <= main_#t~nondet8#1 && main_#t~nondet8#1 <= 2147483647;main_~P5~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647;main_~P6~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1;assume -2147483648 <= main_#t~nondet10#1 && main_#t~nondet10#1 <= 2147483647;main_~P7~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;assume -2147483648 <= main_#t~nondet11#1 && main_#t~nondet11#1 <= 2147483647;main_~P8~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;assume -2147483648 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 2147483647;main_~P9~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; {24334#(and (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_expect~0#1| 1) (<= 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|))} is VALID [2022-02-20 16:07:41,797 INFO L290 TraceCheckUtils]: 17: Hoare triple {24334#(and (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_expect~0#1| 1) (<= 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|))} assume !(main_~this_expect~0#1 > 16); {24334#(and (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_expect~0#1| 1) (<= 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|))} is VALID [2022-02-20 16:07:41,798 INFO L290 TraceCheckUtils]: 18: Hoare triple {24334#(and (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_expect~0#1| 1) (<= 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|))} assume !(0 == main_~q~0#1); {24334#(and (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_expect~0#1| 1) (<= 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|))} is VALID [2022-02-20 16:07:41,798 INFO L290 TraceCheckUtils]: 19: Hoare triple {24334#(and (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_expect~0#1| 1) (<= 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|))} assume !(1 == main_~q~0#1); {24334#(and (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_expect~0#1| 1) (<= 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|))} is VALID [2022-02-20 16:07:41,799 INFO L290 TraceCheckUtils]: 20: Hoare triple {24334#(and (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_expect~0#1| 1) (<= 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|))} assume !(2 == main_~q~0#1); {24334#(and (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_expect~0#1| 1) (<= 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|))} is VALID [2022-02-20 16:07:41,799 INFO L290 TraceCheckUtils]: 21: Hoare triple {24334#(and (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_expect~0#1| 1) (<= 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|))} assume 3 == main_~q~0#1;assume -2147483648 <= main_#t~nondet26#1 && main_#t~nondet26#1 <= 2147483647; {24334#(and (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_expect~0#1| 1) (<= 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|))} is VALID [2022-02-20 16:07:41,800 INFO L290 TraceCheckUtils]: 22: Hoare triple {24334#(and (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_expect~0#1| 1) (<= 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|))} assume !(0 != main_#t~nondet26#1);havoc main_#t~nondet26#1;assume -2147483648 <= main_#t~nondet27#1 && main_#t~nondet27#1 <= 2147483647; {24334#(and (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_expect~0#1| 1) (<= 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|))} is VALID [2022-02-20 16:07:41,800 INFO L290 TraceCheckUtils]: 23: Hoare triple {24334#(and (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_expect~0#1| 1) (<= 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|))} assume 0 != main_#t~nondet27#1;havoc main_#t~nondet27#1; {24334#(and (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_expect~0#1| 1) (<= 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|))} is VALID [2022-02-20 16:07:41,801 INFO L290 TraceCheckUtils]: 24: Hoare triple {24334#(and (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_expect~0#1| 1) (<= 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|))} assume !(0 != main_~P1~0#1);main_~method_id~0#1 := 3; {24334#(and (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_expect~0#1| 1) (<= 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|))} is VALID [2022-02-20 16:07:41,801 INFO L290 TraceCheckUtils]: 25: Hoare triple {24334#(and (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_expect~0#1| 1) (<= 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|))} assume !((1 == main_~this_buffer_empty~0#1 && !(0 != main_~P3~0#1)) || ((main_~P3~0#1 != (if main_~this_expect~0#1 - 1 < 0 && 0 != (main_~this_expect~0#1 - 1) % 2 then (main_~this_expect~0#1 - 1) % 2 - 2 else (main_~this_expect~0#1 - 1) % 2) && 1 != main_~this_buffer_empty~0#1) && !(0 != main_~P3~0#1)));main_~q~0#1 := 4;main_~this_expect~0#1 := main_~this_expect~0#1;main_~this_buffer_empty~0#1 := 1 - main_~this_buffer_empty~0#1; {24335#(and (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_expect~0#1| 1) (<= 1 |ULTIMATE.start_main_~this_buffer_empty~0#1|) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} is VALID [2022-02-20 16:07:41,802 INFO L290 TraceCheckUtils]: 26: Hoare triple {24335#(and (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_expect~0#1| 1) (<= 1 |ULTIMATE.start_main_~this_buffer_empty~0#1|) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} assume !false;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_~P1~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647;main_~P2~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647;main_~P3~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;assume -2147483648 <= main_#t~nondet7#1 && main_#t~nondet7#1 <= 2147483647;main_~P4~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;assume -2147483648 <= main_#t~nondet8#1 && main_#t~nondet8#1 <= 2147483647;main_~P5~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647;main_~P6~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1;assume -2147483648 <= main_#t~nondet10#1 && main_#t~nondet10#1 <= 2147483647;main_~P7~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;assume -2147483648 <= main_#t~nondet11#1 && main_#t~nondet11#1 <= 2147483647;main_~P8~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;assume -2147483648 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 2147483647;main_~P9~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; {24335#(and (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_expect~0#1| 1) (<= 1 |ULTIMATE.start_main_~this_buffer_empty~0#1|) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} is VALID [2022-02-20 16:07:41,803 INFO L290 TraceCheckUtils]: 27: Hoare triple {24335#(and (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_expect~0#1| 1) (<= 1 |ULTIMATE.start_main_~this_buffer_empty~0#1|) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} assume !(main_~this_expect~0#1 > 16); {24335#(and (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_expect~0#1| 1) (<= 1 |ULTIMATE.start_main_~this_buffer_empty~0#1|) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} is VALID [2022-02-20 16:07:41,803 INFO L290 TraceCheckUtils]: 28: Hoare triple {24335#(and (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_expect~0#1| 1) (<= 1 |ULTIMATE.start_main_~this_buffer_empty~0#1|) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} assume !(0 == main_~q~0#1); {24335#(and (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_expect~0#1| 1) (<= 1 |ULTIMATE.start_main_~this_buffer_empty~0#1|) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} is VALID [2022-02-20 16:07:41,804 INFO L290 TraceCheckUtils]: 29: Hoare triple {24335#(and (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_expect~0#1| 1) (<= 1 |ULTIMATE.start_main_~this_buffer_empty~0#1|) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} assume !(1 == main_~q~0#1); {24335#(and (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_expect~0#1| 1) (<= 1 |ULTIMATE.start_main_~this_buffer_empty~0#1|) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} is VALID [2022-02-20 16:07:41,804 INFO L290 TraceCheckUtils]: 30: Hoare triple {24335#(and (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_expect~0#1| 1) (<= 1 |ULTIMATE.start_main_~this_buffer_empty~0#1|) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} assume !(2 == main_~q~0#1); {24335#(and (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_expect~0#1| 1) (<= 1 |ULTIMATE.start_main_~this_buffer_empty~0#1|) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} is VALID [2022-02-20 16:07:41,805 INFO L290 TraceCheckUtils]: 31: Hoare triple {24335#(and (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_expect~0#1| 1) (<= 1 |ULTIMATE.start_main_~this_buffer_empty~0#1|) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} assume !(3 == main_~q~0#1); {24335#(and (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_expect~0#1| 1) (<= 1 |ULTIMATE.start_main_~this_buffer_empty~0#1|) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} is VALID [2022-02-20 16:07:41,805 INFO L290 TraceCheckUtils]: 32: Hoare triple {24335#(and (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_expect~0#1| 1) (<= 1 |ULTIMATE.start_main_~this_buffer_empty~0#1|) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} assume 4 == main_~q~0#1;assume -2147483648 <= main_#t~nondet32#1 && main_#t~nondet32#1 <= 2147483647; {24335#(and (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_expect~0#1| 1) (<= 1 |ULTIMATE.start_main_~this_buffer_empty~0#1|) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} is VALID [2022-02-20 16:07:41,806 INFO L290 TraceCheckUtils]: 33: Hoare triple {24335#(and (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_expect~0#1| 1) (<= 1 |ULTIMATE.start_main_~this_buffer_empty~0#1|) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} assume !(0 != main_#t~nondet32#1);havoc main_#t~nondet32#1;assume -2147483648 <= main_#t~nondet33#1 && main_#t~nondet33#1 <= 2147483647; {24335#(and (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_expect~0#1| 1) (<= 1 |ULTIMATE.start_main_~this_buffer_empty~0#1|) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} is VALID [2022-02-20 16:07:41,806 INFO L290 TraceCheckUtils]: 34: Hoare triple {24335#(and (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_expect~0#1| 1) (<= 1 |ULTIMATE.start_main_~this_buffer_empty~0#1|) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} assume !(0 != main_#t~nondet33#1);havoc main_#t~nondet33#1;assume -2147483648 <= main_#t~nondet34#1 && main_#t~nondet34#1 <= 2147483647; {24335#(and (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_expect~0#1| 1) (<= 1 |ULTIMATE.start_main_~this_buffer_empty~0#1|) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} is VALID [2022-02-20 16:07:41,807 INFO L290 TraceCheckUtils]: 35: Hoare triple {24335#(and (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_expect~0#1| 1) (<= 1 |ULTIMATE.start_main_~this_buffer_empty~0#1|) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} assume !(0 != main_#t~nondet34#1);havoc main_#t~nondet34#1;assume -2147483648 <= main_#t~nondet35#1 && main_#t~nondet35#1 <= 2147483647; {24335#(and (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_expect~0#1| 1) (<= 1 |ULTIMATE.start_main_~this_buffer_empty~0#1|) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} is VALID [2022-02-20 16:07:41,807 INFO L290 TraceCheckUtils]: 36: Hoare triple {24335#(and (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_expect~0#1| 1) (<= 1 |ULTIMATE.start_main_~this_buffer_empty~0#1|) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} assume 0 != main_#t~nondet35#1;havoc main_#t~nondet35#1; {24335#(and (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_expect~0#1| 1) (<= 1 |ULTIMATE.start_main_~this_buffer_empty~0#1|) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} is VALID [2022-02-20 16:07:41,808 INFO L290 TraceCheckUtils]: 37: Hoare triple {24335#(and (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_expect~0#1| 1) (<= 1 |ULTIMATE.start_main_~this_buffer_empty~0#1|) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} assume 0 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2) && !(1 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2) && 0 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2));main_~method_id~0#1 := 5; {24335#(and (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_expect~0#1| 1) (<= 1 |ULTIMATE.start_main_~this_buffer_empty~0#1|) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} is VALID [2022-02-20 16:07:41,809 INFO L290 TraceCheckUtils]: 38: Hoare triple {24335#(and (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_expect~0#1| 1) (<= 1 |ULTIMATE.start_main_~this_buffer_empty~0#1|) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} assume !(((((if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2) != (if main_~this_expect~0#1 < 0 && 0 != main_~this_expect~0#1 % 2 then main_~this_expect~0#1 % 2 - 2 else main_~this_expect~0#1 % 2) && 1 == main_~this_buffer_empty~0#1) && 0 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2)) && 0 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2) && !(1 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2) && 0 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2))) || ((1 != main_~this_buffer_empty~0#1 && 0 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2)) && 0 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2) && !(1 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2) && 0 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2))));main_~q~0#1 := 5;main_~this_expect~0#1 := 1 + main_~this_expect~0#1;main_~this_buffer_empty~0#1 := 1 - main_~this_buffer_empty~0#1; {24336#(and (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (<= |ULTIMATE.start_main_~this_expect~0#1| 2) (<= 2 |ULTIMATE.start_main_~this_expect~0#1|) (<= 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|))} is VALID [2022-02-20 16:07:41,810 INFO L290 TraceCheckUtils]: 39: Hoare triple {24336#(and (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (<= |ULTIMATE.start_main_~this_expect~0#1| 2) (<= 2 |ULTIMATE.start_main_~this_expect~0#1|) (<= 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|))} assume !false;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_~P1~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647;main_~P2~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647;main_~P3~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;assume -2147483648 <= main_#t~nondet7#1 && main_#t~nondet7#1 <= 2147483647;main_~P4~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;assume -2147483648 <= main_#t~nondet8#1 && main_#t~nondet8#1 <= 2147483647;main_~P5~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647;main_~P6~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1;assume -2147483648 <= main_#t~nondet10#1 && main_#t~nondet10#1 <= 2147483647;main_~P7~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;assume -2147483648 <= main_#t~nondet11#1 && main_#t~nondet11#1 <= 2147483647;main_~P8~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;assume -2147483648 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 2147483647;main_~P9~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; {24336#(and (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (<= |ULTIMATE.start_main_~this_expect~0#1| 2) (<= 2 |ULTIMATE.start_main_~this_expect~0#1|) (<= 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|))} is VALID [2022-02-20 16:07:41,810 INFO L290 TraceCheckUtils]: 40: Hoare triple {24336#(and (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (<= |ULTIMATE.start_main_~this_expect~0#1| 2) (<= 2 |ULTIMATE.start_main_~this_expect~0#1|) (<= 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|))} assume !(main_~this_expect~0#1 > 16); {24336#(and (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (<= |ULTIMATE.start_main_~this_expect~0#1| 2) (<= 2 |ULTIMATE.start_main_~this_expect~0#1|) (<= 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|))} is VALID [2022-02-20 16:07:41,811 INFO L290 TraceCheckUtils]: 41: Hoare triple {24336#(and (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (<= |ULTIMATE.start_main_~this_expect~0#1| 2) (<= 2 |ULTIMATE.start_main_~this_expect~0#1|) (<= 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|))} assume !(0 == main_~q~0#1); {24336#(and (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (<= |ULTIMATE.start_main_~this_expect~0#1| 2) (<= 2 |ULTIMATE.start_main_~this_expect~0#1|) (<= 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|))} is VALID [2022-02-20 16:07:41,811 INFO L290 TraceCheckUtils]: 42: Hoare triple {24336#(and (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (<= |ULTIMATE.start_main_~this_expect~0#1| 2) (<= 2 |ULTIMATE.start_main_~this_expect~0#1|) (<= 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|))} assume !(1 == main_~q~0#1); {24336#(and (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (<= |ULTIMATE.start_main_~this_expect~0#1| 2) (<= 2 |ULTIMATE.start_main_~this_expect~0#1|) (<= 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|))} is VALID [2022-02-20 16:07:41,812 INFO L290 TraceCheckUtils]: 43: Hoare triple {24336#(and (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (<= |ULTIMATE.start_main_~this_expect~0#1| 2) (<= 2 |ULTIMATE.start_main_~this_expect~0#1|) (<= 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|))} assume !(2 == main_~q~0#1); {24336#(and (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (<= |ULTIMATE.start_main_~this_expect~0#1| 2) (<= 2 |ULTIMATE.start_main_~this_expect~0#1|) (<= 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|))} is VALID [2022-02-20 16:07:41,812 INFO L290 TraceCheckUtils]: 44: Hoare triple {24336#(and (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (<= |ULTIMATE.start_main_~this_expect~0#1| 2) (<= 2 |ULTIMATE.start_main_~this_expect~0#1|) (<= 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|))} assume !(3 == main_~q~0#1); {24336#(and (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (<= |ULTIMATE.start_main_~this_expect~0#1| 2) (<= 2 |ULTIMATE.start_main_~this_expect~0#1|) (<= 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|))} is VALID [2022-02-20 16:07:41,813 INFO L290 TraceCheckUtils]: 45: Hoare triple {24336#(and (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (<= |ULTIMATE.start_main_~this_expect~0#1| 2) (<= 2 |ULTIMATE.start_main_~this_expect~0#1|) (<= 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|))} assume !(4 == main_~q~0#1); {24336#(and (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (<= |ULTIMATE.start_main_~this_expect~0#1| 2) (<= 2 |ULTIMATE.start_main_~this_expect~0#1|) (<= 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|))} is VALID [2022-02-20 16:07:41,813 INFO L290 TraceCheckUtils]: 46: Hoare triple {24336#(and (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (<= |ULTIMATE.start_main_~this_expect~0#1| 2) (<= 2 |ULTIMATE.start_main_~this_expect~0#1|) (<= 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|))} assume 5 == main_~q~0#1;assume -2147483648 <= main_#t~nondet38#1 && main_#t~nondet38#1 <= 2147483647; {24336#(and (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (<= |ULTIMATE.start_main_~this_expect~0#1| 2) (<= 2 |ULTIMATE.start_main_~this_expect~0#1|) (<= 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|))} is VALID [2022-02-20 16:07:41,814 INFO L290 TraceCheckUtils]: 47: Hoare triple {24336#(and (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (<= |ULTIMATE.start_main_~this_expect~0#1| 2) (<= 2 |ULTIMATE.start_main_~this_expect~0#1|) (<= 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|))} assume !(0 != main_#t~nondet38#1);havoc main_#t~nondet38#1;assume -2147483648 <= main_#t~nondet39#1 && main_#t~nondet39#1 <= 2147483647; {24336#(and (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (<= |ULTIMATE.start_main_~this_expect~0#1| 2) (<= 2 |ULTIMATE.start_main_~this_expect~0#1|) (<= 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|))} is VALID [2022-02-20 16:07:41,814 INFO L290 TraceCheckUtils]: 48: Hoare triple {24336#(and (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (<= |ULTIMATE.start_main_~this_expect~0#1| 2) (<= 2 |ULTIMATE.start_main_~this_expect~0#1|) (<= 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|))} assume !(0 != main_#t~nondet39#1);havoc main_#t~nondet39#1;assume -2147483648 <= main_#t~nondet40#1 && main_#t~nondet40#1 <= 2147483647; {24336#(and (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (<= |ULTIMATE.start_main_~this_expect~0#1| 2) (<= 2 |ULTIMATE.start_main_~this_expect~0#1|) (<= 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|))} is VALID [2022-02-20 16:07:41,815 INFO L290 TraceCheckUtils]: 49: Hoare triple {24336#(and (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (<= |ULTIMATE.start_main_~this_expect~0#1| 2) (<= 2 |ULTIMATE.start_main_~this_expect~0#1|) (<= 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|))} assume !(0 != main_#t~nondet40#1);havoc main_#t~nondet40#1;assume -2147483648 <= main_#t~nondet41#1 && main_#t~nondet41#1 <= 2147483647; {24336#(and (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (<= |ULTIMATE.start_main_~this_expect~0#1| 2) (<= 2 |ULTIMATE.start_main_~this_expect~0#1|) (<= 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|))} is VALID [2022-02-20 16:07:41,815 INFO L290 TraceCheckUtils]: 50: Hoare triple {24336#(and (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (<= |ULTIMATE.start_main_~this_expect~0#1| 2) (<= 2 |ULTIMATE.start_main_~this_expect~0#1|) (<= 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|))} assume !(0 != main_#t~nondet41#1);havoc main_#t~nondet41#1;assume -2147483648 <= main_#t~nondet42#1 && main_#t~nondet42#1 <= 2147483647; {24336#(and (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (<= |ULTIMATE.start_main_~this_expect~0#1| 2) (<= 2 |ULTIMATE.start_main_~this_expect~0#1|) (<= 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|))} is VALID [2022-02-20 16:07:41,816 INFO L290 TraceCheckUtils]: 51: Hoare triple {24336#(and (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (<= |ULTIMATE.start_main_~this_expect~0#1| 2) (<= 2 |ULTIMATE.start_main_~this_expect~0#1|) (<= 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|))} assume !(0 != main_#t~nondet42#1);havoc main_#t~nondet42#1;assume -2147483648 <= main_#t~nondet43#1 && main_#t~nondet43#1 <= 2147483647; {24336#(and (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (<= |ULTIMATE.start_main_~this_expect~0#1| 2) (<= 2 |ULTIMATE.start_main_~this_expect~0#1|) (<= 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|))} is VALID [2022-02-20 16:07:41,816 INFO L290 TraceCheckUtils]: 52: Hoare triple {24336#(and (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (<= |ULTIMATE.start_main_~this_expect~0#1| 2) (<= 2 |ULTIMATE.start_main_~this_expect~0#1|) (<= 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|))} assume 0 != main_#t~nondet43#1;havoc main_#t~nondet43#1; {24336#(and (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (<= |ULTIMATE.start_main_~this_expect~0#1| 2) (<= 2 |ULTIMATE.start_main_~this_expect~0#1|) (<= 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|))} is VALID [2022-02-20 16:07:41,817 INFO L290 TraceCheckUtils]: 53: Hoare triple {24336#(and (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (<= |ULTIMATE.start_main_~this_expect~0#1| 2) (<= 2 |ULTIMATE.start_main_~this_expect~0#1|) (<= 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|))} assume 0 != main_~P1~0#1 && !(1 != main_~P1~0#1 && 0 != main_~P1~0#1);main_~method_id~0#1 := 7; {24336#(and (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (<= |ULTIMATE.start_main_~this_expect~0#1| 2) (<= 2 |ULTIMATE.start_main_~this_expect~0#1|) (<= 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|))} is VALID [2022-02-20 16:07:41,818 INFO L290 TraceCheckUtils]: 54: Hoare triple {24336#(and (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (<= |ULTIMATE.start_main_~this_expect~0#1| 2) (<= 2 |ULTIMATE.start_main_~this_expect~0#1|) (<= 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|))} assume !(((1 == main_~this_buffer_empty~0#1 && 0 != main_~P9~0#1) && 0 != main_~P9~0#1 && !(1 != main_~P9~0#1 && 0 != main_~P9~0#1)) || (((main_~P9~0#1 != (if main_~this_expect~0#1 - 1 < 0 && 0 != (main_~this_expect~0#1 - 1) % 2 then (main_~this_expect~0#1 - 1) % 2 - 2 else (main_~this_expect~0#1 - 1) % 2) && 1 != main_~this_buffer_empty~0#1) && 0 != main_~P9~0#1) && 0 != main_~P9~0#1 && !(1 != main_~P9~0#1 && 0 != main_~P9~0#1)));main_~q~0#1 := 1;main_~this_expect~0#1 := main_~this_expect~0#1;main_~this_buffer_empty~0#1 := 1 - main_~this_buffer_empty~0#1; {24337#(and (< 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|) (= (* 2 (div |ULTIMATE.start_main_~this_expect~0#1| 2)) |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} is VALID [2022-02-20 16:07:41,819 INFO L290 TraceCheckUtils]: 55: Hoare triple {24337#(and (< 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|) (= (* 2 (div |ULTIMATE.start_main_~this_expect~0#1| 2)) |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} assume !false;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_~P1~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647;main_~P2~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647;main_~P3~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;assume -2147483648 <= main_#t~nondet7#1 && main_#t~nondet7#1 <= 2147483647;main_~P4~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;assume -2147483648 <= main_#t~nondet8#1 && main_#t~nondet8#1 <= 2147483647;main_~P5~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647;main_~P6~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1;assume -2147483648 <= main_#t~nondet10#1 && main_#t~nondet10#1 <= 2147483647;main_~P7~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;assume -2147483648 <= main_#t~nondet11#1 && main_#t~nondet11#1 <= 2147483647;main_~P8~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;assume -2147483648 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 2147483647;main_~P9~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; {24337#(and (< 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|) (= (* 2 (div |ULTIMATE.start_main_~this_expect~0#1| 2)) |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} is VALID [2022-02-20 16:07:41,819 INFO L290 TraceCheckUtils]: 56: Hoare triple {24337#(and (< 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|) (= (* 2 (div |ULTIMATE.start_main_~this_expect~0#1| 2)) |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} assume !(main_~this_expect~0#1 > 16); {24337#(and (< 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|) (= (* 2 (div |ULTIMATE.start_main_~this_expect~0#1| 2)) |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} is VALID [2022-02-20 16:07:41,820 INFO L290 TraceCheckUtils]: 57: Hoare triple {24337#(and (< 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|) (= (* 2 (div |ULTIMATE.start_main_~this_expect~0#1| 2)) |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} assume !(0 == main_~q~0#1); {24337#(and (< 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|) (= (* 2 (div |ULTIMATE.start_main_~this_expect~0#1| 2)) |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} is VALID [2022-02-20 16:07:41,820 INFO L290 TraceCheckUtils]: 58: Hoare triple {24337#(and (< 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|) (= (* 2 (div |ULTIMATE.start_main_~this_expect~0#1| 2)) |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} assume 1 == main_~q~0#1;assume -2147483648 <= main_#t~nondet14#1 && main_#t~nondet14#1 <= 2147483647; {24337#(and (< 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|) (= (* 2 (div |ULTIMATE.start_main_~this_expect~0#1| 2)) |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} is VALID [2022-02-20 16:07:41,821 INFO L290 TraceCheckUtils]: 59: Hoare triple {24337#(and (< 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|) (= (* 2 (div |ULTIMATE.start_main_~this_expect~0#1| 2)) |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} assume 0 != main_#t~nondet14#1;havoc main_#t~nondet14#1; {24337#(and (< 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|) (= (* 2 (div |ULTIMATE.start_main_~this_expect~0#1| 2)) |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} is VALID [2022-02-20 16:07:41,822 INFO L290 TraceCheckUtils]: 60: Hoare triple {24337#(and (< 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|) (= (* 2 (div |ULTIMATE.start_main_~this_expect~0#1| 2)) |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} assume !(0 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2));main_~method_id~0#1 := 2; {24338#(and (< 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|) (= (* 2 (div |ULTIMATE.start_main_~this_expect~0#1| 2)) |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1) (= (+ |ULTIMATE.start_main_~P1~0#1| (* 2 (div |ULTIMATE.start_main_~this_expect~0#1| 2))) (+ (* 2 (div |ULTIMATE.start_main_~P1~0#1| 2)) |ULTIMATE.start_main_~this_expect~0#1|)))} is VALID [2022-02-20 16:07:41,822 INFO L290 TraceCheckUtils]: 61: Hoare triple {24338#(and (< 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|) (= (* 2 (div |ULTIMATE.start_main_~this_expect~0#1| 2)) |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1) (= (+ |ULTIMATE.start_main_~P1~0#1| (* 2 (div |ULTIMATE.start_main_~this_expect~0#1| 2))) (+ (* 2 (div |ULTIMATE.start_main_~P1~0#1| 2)) |ULTIMATE.start_main_~this_expect~0#1|)))} assume (((if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2) != (if main_~this_expect~0#1 < 0 && 0 != main_~this_expect~0#1 % 2 then main_~this_expect~0#1 % 2 - 2 else main_~this_expect~0#1 % 2) && 1 == main_~this_buffer_empty~0#1) && !(0 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2))) || (1 != main_~this_buffer_empty~0#1 && !(0 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2))); {24332#false} is VALID [2022-02-20 16:07:41,823 INFO L290 TraceCheckUtils]: 62: Hoare triple {24332#false} assume !false; {24332#false} is VALID [2022-02-20 16:07:41,823 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 15 proven. 50 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 16:07:41,823 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 16:07:41,823 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1870448450] [2022-02-20 16:07:41,823 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1870448450] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-20 16:07:41,824 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1112955457] [2022-02-20 16:07:41,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 16:07:41,824 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 16:07:41,824 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 16:07:41,840 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-20 16:07:41,885 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-02-20 16:07:41,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 16:07:41,948 INFO L263 TraceCheckSpWp]: Trace formula consists of 410 conjuncts, 21 conjunts are in the unsatisfiable core [2022-02-20 16:07:41,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 16:07:41,963 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-20 16:07:42,657 INFO L290 TraceCheckUtils]: 0: Hoare triple {24331#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(16, 2);call #Ultimate.allocInit(12, 3);~m_Protocol~0 := 1;~m_msg_2~0 := 2;~m_recv_ack_2~0 := 3;~m_msg_1_1~0 := 4;~m_msg_1_2~0 := 5;~m_recv_ack_1_1~0 := 6;~m_recv_ack_1_2~0 := 7; {24331#true} is VALID [2022-02-20 16:07:42,657 INFO L290 TraceCheckUtils]: 1: Hoare triple {24331#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~nondet5#1, main_#t~nondet6#1, main_#t~nondet7#1, main_#t~nondet8#1, main_#t~nondet9#1, main_#t~nondet10#1, main_#t~nondet11#1, main_#t~nondet12#1, main_#t~nondet13#1, main_#t~nondet14#1, main_#t~nondet15#1, main_#t~nondet16#1, main_#t~nondet17#1, main_#t~nondet18#1, main_#t~nondet19#1, main_#t~nondet20#1, main_#t~nondet21#1, main_#t~nondet22#1, main_#t~nondet23#1, main_#t~nondet24#1, main_#t~nondet25#1, main_#t~nondet26#1, main_#t~nondet27#1, main_#t~nondet28#1, main_#t~nondet29#1, main_#t~nondet30#1, main_#t~nondet31#1, main_#t~nondet32#1, main_#t~nondet33#1, main_#t~nondet34#1, main_#t~nondet35#1, main_#t~nondet36#1, main_#t~nondet37#1, main_#t~nondet38#1, main_#t~nondet39#1, main_#t~nondet40#1, main_#t~nondet41#1, main_#t~nondet42#1, main_#t~nondet43#1, main_~P1~0#1, main_~P2~0#1, main_~P3~0#1, main_~P4~0#1, main_~P5~0#1, main_~P6~0#1, main_~P7~0#1, main_~P8~0#1, main_~P9~0#1, main_~q~0#1, main_~method_id~0#1, main_~this_expect~0#1, main_~this_buffer_empty~0#1;main_~q~0#1 := 0;havoc main_~method_id~0#1;main_~this_expect~0#1 := 0;main_~this_buffer_empty~0#1 := 0; {24331#true} is VALID [2022-02-20 16:07:42,657 INFO L290 TraceCheckUtils]: 2: Hoare triple {24331#true} goto; {24331#true} is VALID [2022-02-20 16:07:42,657 INFO L290 TraceCheckUtils]: 3: Hoare triple {24331#true} assume !false;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_~P1~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647;main_~P2~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647;main_~P3~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;assume -2147483648 <= main_#t~nondet7#1 && main_#t~nondet7#1 <= 2147483647;main_~P4~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;assume -2147483648 <= main_#t~nondet8#1 && main_#t~nondet8#1 <= 2147483647;main_~P5~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647;main_~P6~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1;assume -2147483648 <= main_#t~nondet10#1 && main_#t~nondet10#1 <= 2147483647;main_~P7~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;assume -2147483648 <= main_#t~nondet11#1 && main_#t~nondet11#1 <= 2147483647;main_~P8~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;assume -2147483648 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 2147483647;main_~P9~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; {24331#true} is VALID [2022-02-20 16:07:42,658 INFO L290 TraceCheckUtils]: 4: Hoare triple {24331#true} assume !(main_~this_expect~0#1 > 16); {24331#true} is VALID [2022-02-20 16:07:42,658 INFO L290 TraceCheckUtils]: 5: Hoare triple {24331#true} assume 0 == main_~q~0#1;assume -2147483648 <= main_#t~nondet13#1 && main_#t~nondet13#1 <= 2147483647; {24331#true} is VALID [2022-02-20 16:07:42,658 INFO L290 TraceCheckUtils]: 6: Hoare triple {24331#true} assume 0 != main_#t~nondet13#1;havoc main_#t~nondet13#1; {24331#true} is VALID [2022-02-20 16:07:42,658 INFO L290 TraceCheckUtils]: 7: Hoare triple {24331#true} main_~method_id~0#1 := 1; {24331#true} is VALID [2022-02-20 16:07:42,658 INFO L290 TraceCheckUtils]: 8: Hoare triple {24331#true} assume !false;main_~q~0#1 := 1;main_~this_expect~0#1 := 0;main_~this_buffer_empty~0#1 := 1; {24333#(and (= |ULTIMATE.start_main_~this_expect~0#1| 0) (= (+ (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 0))} is VALID [2022-02-20 16:07:42,659 INFO L290 TraceCheckUtils]: 9: Hoare triple {24333#(and (= |ULTIMATE.start_main_~this_expect~0#1| 0) (= (+ (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 0))} assume !false;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_~P1~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647;main_~P2~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647;main_~P3~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;assume -2147483648 <= main_#t~nondet7#1 && main_#t~nondet7#1 <= 2147483647;main_~P4~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;assume -2147483648 <= main_#t~nondet8#1 && main_#t~nondet8#1 <= 2147483647;main_~P5~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647;main_~P6~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1;assume -2147483648 <= main_#t~nondet10#1 && main_#t~nondet10#1 <= 2147483647;main_~P7~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;assume -2147483648 <= main_#t~nondet11#1 && main_#t~nondet11#1 <= 2147483647;main_~P8~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;assume -2147483648 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 2147483647;main_~P9~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; {24333#(and (= |ULTIMATE.start_main_~this_expect~0#1| 0) (= (+ (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 0))} is VALID [2022-02-20 16:07:42,659 INFO L290 TraceCheckUtils]: 10: Hoare triple {24333#(and (= |ULTIMATE.start_main_~this_expect~0#1| 0) (= (+ (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 0))} assume !(main_~this_expect~0#1 > 16); {24333#(and (= |ULTIMATE.start_main_~this_expect~0#1| 0) (= (+ (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 0))} is VALID [2022-02-20 16:07:42,660 INFO L290 TraceCheckUtils]: 11: Hoare triple {24333#(and (= |ULTIMATE.start_main_~this_expect~0#1| 0) (= (+ (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 0))} assume !(0 == main_~q~0#1); {24333#(and (= |ULTIMATE.start_main_~this_expect~0#1| 0) (= (+ (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 0))} is VALID [2022-02-20 16:07:42,660 INFO L290 TraceCheckUtils]: 12: Hoare triple {24333#(and (= |ULTIMATE.start_main_~this_expect~0#1| 0) (= (+ (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 0))} assume 1 == main_~q~0#1;assume -2147483648 <= main_#t~nondet14#1 && main_#t~nondet14#1 <= 2147483647; {24333#(and (= |ULTIMATE.start_main_~this_expect~0#1| 0) (= (+ (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 0))} is VALID [2022-02-20 16:07:42,660 INFO L290 TraceCheckUtils]: 13: Hoare triple {24333#(and (= |ULTIMATE.start_main_~this_expect~0#1| 0) (= (+ (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 0))} assume 0 != main_#t~nondet14#1;havoc main_#t~nondet14#1; {24333#(and (= |ULTIMATE.start_main_~this_expect~0#1| 0) (= (+ (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 0))} is VALID [2022-02-20 16:07:42,661 INFO L290 TraceCheckUtils]: 14: Hoare triple {24333#(and (= |ULTIMATE.start_main_~this_expect~0#1| 0) (= (+ (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 0))} assume !(0 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2));main_~method_id~0#1 := 2; {24333#(and (= |ULTIMATE.start_main_~this_expect~0#1| 0) (= (+ (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 0))} is VALID [2022-02-20 16:07:42,661 INFO L290 TraceCheckUtils]: 15: Hoare triple {24333#(and (= |ULTIMATE.start_main_~this_expect~0#1| 0) (= (+ (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 0))} assume !((((if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2) != (if main_~this_expect~0#1 < 0 && 0 != main_~this_expect~0#1 % 2 then main_~this_expect~0#1 % 2 - 2 else main_~this_expect~0#1 % 2) && 1 == main_~this_buffer_empty~0#1) && !(0 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2))) || (1 != main_~this_buffer_empty~0#1 && !(0 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2))));main_~q~0#1 := 3;main_~this_expect~0#1 := 1 + main_~this_expect~0#1;main_~this_buffer_empty~0#1 := 1 - main_~this_buffer_empty~0#1; {24334#(and (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_expect~0#1| 1) (<= 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|))} is VALID [2022-02-20 16:07:42,662 INFO L290 TraceCheckUtils]: 16: Hoare triple {24334#(and (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_expect~0#1| 1) (<= 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|))} assume !false;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_~P1~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647;main_~P2~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647;main_~P3~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;assume -2147483648 <= main_#t~nondet7#1 && main_#t~nondet7#1 <= 2147483647;main_~P4~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;assume -2147483648 <= main_#t~nondet8#1 && main_#t~nondet8#1 <= 2147483647;main_~P5~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647;main_~P6~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1;assume -2147483648 <= main_#t~nondet10#1 && main_#t~nondet10#1 <= 2147483647;main_~P7~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;assume -2147483648 <= main_#t~nondet11#1 && main_#t~nondet11#1 <= 2147483647;main_~P8~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;assume -2147483648 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 2147483647;main_~P9~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; {24334#(and (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_expect~0#1| 1) (<= 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|))} is VALID [2022-02-20 16:07:42,662 INFO L290 TraceCheckUtils]: 17: Hoare triple {24334#(and (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_expect~0#1| 1) (<= 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|))} assume !(main_~this_expect~0#1 > 16); {24334#(and (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_expect~0#1| 1) (<= 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|))} is VALID [2022-02-20 16:07:42,662 INFO L290 TraceCheckUtils]: 18: Hoare triple {24334#(and (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_expect~0#1| 1) (<= 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|))} assume !(0 == main_~q~0#1); {24334#(and (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_expect~0#1| 1) (<= 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|))} is VALID [2022-02-20 16:07:42,663 INFO L290 TraceCheckUtils]: 19: Hoare triple {24334#(and (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_expect~0#1| 1) (<= 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|))} assume !(1 == main_~q~0#1); {24334#(and (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_expect~0#1| 1) (<= 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|))} is VALID [2022-02-20 16:07:42,663 INFO L290 TraceCheckUtils]: 20: Hoare triple {24334#(and (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_expect~0#1| 1) (<= 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|))} assume !(2 == main_~q~0#1); {24334#(and (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_expect~0#1| 1) (<= 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|))} is VALID [2022-02-20 16:07:42,664 INFO L290 TraceCheckUtils]: 21: Hoare triple {24334#(and (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_expect~0#1| 1) (<= 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|))} assume 3 == main_~q~0#1;assume -2147483648 <= main_#t~nondet26#1 && main_#t~nondet26#1 <= 2147483647; {24334#(and (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_expect~0#1| 1) (<= 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|))} is VALID [2022-02-20 16:07:42,664 INFO L290 TraceCheckUtils]: 22: Hoare triple {24334#(and (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_expect~0#1| 1) (<= 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|))} assume !(0 != main_#t~nondet26#1);havoc main_#t~nondet26#1;assume -2147483648 <= main_#t~nondet27#1 && main_#t~nondet27#1 <= 2147483647; {24334#(and (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_expect~0#1| 1) (<= 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|))} is VALID [2022-02-20 16:07:42,664 INFO L290 TraceCheckUtils]: 23: Hoare triple {24334#(and (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_expect~0#1| 1) (<= 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|))} assume 0 != main_#t~nondet27#1;havoc main_#t~nondet27#1; {24334#(and (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_expect~0#1| 1) (<= 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|))} is VALID [2022-02-20 16:07:42,665 INFO L290 TraceCheckUtils]: 24: Hoare triple {24334#(and (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_expect~0#1| 1) (<= 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|))} assume !(0 != main_~P1~0#1);main_~method_id~0#1 := 3; {24334#(and (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_expect~0#1| 1) (<= 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|))} is VALID [2022-02-20 16:07:42,665 INFO L290 TraceCheckUtils]: 25: Hoare triple {24334#(and (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_expect~0#1| 1) (<= 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|))} assume !((1 == main_~this_buffer_empty~0#1 && !(0 != main_~P3~0#1)) || ((main_~P3~0#1 != (if main_~this_expect~0#1 - 1 < 0 && 0 != (main_~this_expect~0#1 - 1) % 2 then (main_~this_expect~0#1 - 1) % 2 - 2 else (main_~this_expect~0#1 - 1) % 2) && 1 != main_~this_buffer_empty~0#1) && !(0 != main_~P3~0#1)));main_~q~0#1 := 4;main_~this_expect~0#1 := main_~this_expect~0#1;main_~this_buffer_empty~0#1 := 1 - main_~this_buffer_empty~0#1; {24335#(and (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_expect~0#1| 1) (<= 1 |ULTIMATE.start_main_~this_buffer_empty~0#1|) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} is VALID [2022-02-20 16:07:42,666 INFO L290 TraceCheckUtils]: 26: Hoare triple {24335#(and (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_expect~0#1| 1) (<= 1 |ULTIMATE.start_main_~this_buffer_empty~0#1|) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} assume !false;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_~P1~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647;main_~P2~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647;main_~P3~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;assume -2147483648 <= main_#t~nondet7#1 && main_#t~nondet7#1 <= 2147483647;main_~P4~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;assume -2147483648 <= main_#t~nondet8#1 && main_#t~nondet8#1 <= 2147483647;main_~P5~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647;main_~P6~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1;assume -2147483648 <= main_#t~nondet10#1 && main_#t~nondet10#1 <= 2147483647;main_~P7~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;assume -2147483648 <= main_#t~nondet11#1 && main_#t~nondet11#1 <= 2147483647;main_~P8~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;assume -2147483648 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 2147483647;main_~P9~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; {24335#(and (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_expect~0#1| 1) (<= 1 |ULTIMATE.start_main_~this_buffer_empty~0#1|) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} is VALID [2022-02-20 16:07:42,666 INFO L290 TraceCheckUtils]: 27: Hoare triple {24335#(and (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_expect~0#1| 1) (<= 1 |ULTIMATE.start_main_~this_buffer_empty~0#1|) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} assume !(main_~this_expect~0#1 > 16); {24335#(and (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_expect~0#1| 1) (<= 1 |ULTIMATE.start_main_~this_buffer_empty~0#1|) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} is VALID [2022-02-20 16:07:42,667 INFO L290 TraceCheckUtils]: 28: Hoare triple {24335#(and (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_expect~0#1| 1) (<= 1 |ULTIMATE.start_main_~this_buffer_empty~0#1|) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} assume !(0 == main_~q~0#1); {24335#(and (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_expect~0#1| 1) (<= 1 |ULTIMATE.start_main_~this_buffer_empty~0#1|) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} is VALID [2022-02-20 16:07:42,667 INFO L290 TraceCheckUtils]: 29: Hoare triple {24335#(and (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_expect~0#1| 1) (<= 1 |ULTIMATE.start_main_~this_buffer_empty~0#1|) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} assume !(1 == main_~q~0#1); {24335#(and (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_expect~0#1| 1) (<= 1 |ULTIMATE.start_main_~this_buffer_empty~0#1|) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} is VALID [2022-02-20 16:07:42,667 INFO L290 TraceCheckUtils]: 30: Hoare triple {24335#(and (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_expect~0#1| 1) (<= 1 |ULTIMATE.start_main_~this_buffer_empty~0#1|) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} assume !(2 == main_~q~0#1); {24335#(and (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_expect~0#1| 1) (<= 1 |ULTIMATE.start_main_~this_buffer_empty~0#1|) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} is VALID [2022-02-20 16:07:42,668 INFO L290 TraceCheckUtils]: 31: Hoare triple {24335#(and (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_expect~0#1| 1) (<= 1 |ULTIMATE.start_main_~this_buffer_empty~0#1|) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} assume !(3 == main_~q~0#1); {24335#(and (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_expect~0#1| 1) (<= 1 |ULTIMATE.start_main_~this_buffer_empty~0#1|) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} is VALID [2022-02-20 16:07:42,668 INFO L290 TraceCheckUtils]: 32: Hoare triple {24335#(and (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_expect~0#1| 1) (<= 1 |ULTIMATE.start_main_~this_buffer_empty~0#1|) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} assume 4 == main_~q~0#1;assume -2147483648 <= main_#t~nondet32#1 && main_#t~nondet32#1 <= 2147483647; {24335#(and (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_expect~0#1| 1) (<= 1 |ULTIMATE.start_main_~this_buffer_empty~0#1|) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} is VALID [2022-02-20 16:07:42,668 INFO L290 TraceCheckUtils]: 33: Hoare triple {24335#(and (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_expect~0#1| 1) (<= 1 |ULTIMATE.start_main_~this_buffer_empty~0#1|) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} assume !(0 != main_#t~nondet32#1);havoc main_#t~nondet32#1;assume -2147483648 <= main_#t~nondet33#1 && main_#t~nondet33#1 <= 2147483647; {24335#(and (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_expect~0#1| 1) (<= 1 |ULTIMATE.start_main_~this_buffer_empty~0#1|) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} is VALID [2022-02-20 16:07:42,669 INFO L290 TraceCheckUtils]: 34: Hoare triple {24335#(and (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_expect~0#1| 1) (<= 1 |ULTIMATE.start_main_~this_buffer_empty~0#1|) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} assume !(0 != main_#t~nondet33#1);havoc main_#t~nondet33#1;assume -2147483648 <= main_#t~nondet34#1 && main_#t~nondet34#1 <= 2147483647; {24335#(and (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_expect~0#1| 1) (<= 1 |ULTIMATE.start_main_~this_buffer_empty~0#1|) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} is VALID [2022-02-20 16:07:42,669 INFO L290 TraceCheckUtils]: 35: Hoare triple {24335#(and (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_expect~0#1| 1) (<= 1 |ULTIMATE.start_main_~this_buffer_empty~0#1|) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} assume !(0 != main_#t~nondet34#1);havoc main_#t~nondet34#1;assume -2147483648 <= main_#t~nondet35#1 && main_#t~nondet35#1 <= 2147483647; {24335#(and (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_expect~0#1| 1) (<= 1 |ULTIMATE.start_main_~this_buffer_empty~0#1|) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} is VALID [2022-02-20 16:07:42,669 INFO L290 TraceCheckUtils]: 36: Hoare triple {24335#(and (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_expect~0#1| 1) (<= 1 |ULTIMATE.start_main_~this_buffer_empty~0#1|) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} assume 0 != main_#t~nondet35#1;havoc main_#t~nondet35#1; {24335#(and (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_expect~0#1| 1) (<= 1 |ULTIMATE.start_main_~this_buffer_empty~0#1|) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} is VALID [2022-02-20 16:07:42,670 INFO L290 TraceCheckUtils]: 37: Hoare triple {24335#(and (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_expect~0#1| 1) (<= 1 |ULTIMATE.start_main_~this_buffer_empty~0#1|) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} assume 0 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2) && !(1 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2) && 0 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2));main_~method_id~0#1 := 5; {24335#(and (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_expect~0#1| 1) (<= 1 |ULTIMATE.start_main_~this_buffer_empty~0#1|) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} is VALID [2022-02-20 16:07:42,671 INFO L290 TraceCheckUtils]: 38: Hoare triple {24335#(and (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_expect~0#1| 1) (<= 1 |ULTIMATE.start_main_~this_buffer_empty~0#1|) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} assume !(((((if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2) != (if main_~this_expect~0#1 < 0 && 0 != main_~this_expect~0#1 % 2 then main_~this_expect~0#1 % 2 - 2 else main_~this_expect~0#1 % 2) && 1 == main_~this_buffer_empty~0#1) && 0 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2)) && 0 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2) && !(1 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2) && 0 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2))) || ((1 != main_~this_buffer_empty~0#1 && 0 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2)) && 0 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2) && !(1 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2) && 0 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2))));main_~q~0#1 := 5;main_~this_expect~0#1 := 1 + main_~this_expect~0#1;main_~this_buffer_empty~0#1 := 1 - main_~this_buffer_empty~0#1; {24336#(and (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (<= |ULTIMATE.start_main_~this_expect~0#1| 2) (<= 2 |ULTIMATE.start_main_~this_expect~0#1|) (<= 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|))} is VALID [2022-02-20 16:07:42,671 INFO L290 TraceCheckUtils]: 39: Hoare triple {24336#(and (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (<= |ULTIMATE.start_main_~this_expect~0#1| 2) (<= 2 |ULTIMATE.start_main_~this_expect~0#1|) (<= 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|))} assume !false;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_~P1~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647;main_~P2~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647;main_~P3~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;assume -2147483648 <= main_#t~nondet7#1 && main_#t~nondet7#1 <= 2147483647;main_~P4~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;assume -2147483648 <= main_#t~nondet8#1 && main_#t~nondet8#1 <= 2147483647;main_~P5~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647;main_~P6~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1;assume -2147483648 <= main_#t~nondet10#1 && main_#t~nondet10#1 <= 2147483647;main_~P7~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;assume -2147483648 <= main_#t~nondet11#1 && main_#t~nondet11#1 <= 2147483647;main_~P8~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;assume -2147483648 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 2147483647;main_~P9~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; {24336#(and (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (<= |ULTIMATE.start_main_~this_expect~0#1| 2) (<= 2 |ULTIMATE.start_main_~this_expect~0#1|) (<= 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|))} is VALID [2022-02-20 16:07:42,672 INFO L290 TraceCheckUtils]: 40: Hoare triple {24336#(and (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (<= |ULTIMATE.start_main_~this_expect~0#1| 2) (<= 2 |ULTIMATE.start_main_~this_expect~0#1|) (<= 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|))} assume !(main_~this_expect~0#1 > 16); {24336#(and (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (<= |ULTIMATE.start_main_~this_expect~0#1| 2) (<= 2 |ULTIMATE.start_main_~this_expect~0#1|) (<= 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|))} is VALID [2022-02-20 16:07:42,672 INFO L290 TraceCheckUtils]: 41: Hoare triple {24336#(and (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (<= |ULTIMATE.start_main_~this_expect~0#1| 2) (<= 2 |ULTIMATE.start_main_~this_expect~0#1|) (<= 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|))} assume !(0 == main_~q~0#1); {24336#(and (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (<= |ULTIMATE.start_main_~this_expect~0#1| 2) (<= 2 |ULTIMATE.start_main_~this_expect~0#1|) (<= 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|))} is VALID [2022-02-20 16:07:42,672 INFO L290 TraceCheckUtils]: 42: Hoare triple {24336#(and (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (<= |ULTIMATE.start_main_~this_expect~0#1| 2) (<= 2 |ULTIMATE.start_main_~this_expect~0#1|) (<= 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|))} assume !(1 == main_~q~0#1); {24336#(and (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (<= |ULTIMATE.start_main_~this_expect~0#1| 2) (<= 2 |ULTIMATE.start_main_~this_expect~0#1|) (<= 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|))} is VALID [2022-02-20 16:07:42,673 INFO L290 TraceCheckUtils]: 43: Hoare triple {24336#(and (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (<= |ULTIMATE.start_main_~this_expect~0#1| 2) (<= 2 |ULTIMATE.start_main_~this_expect~0#1|) (<= 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|))} assume !(2 == main_~q~0#1); {24336#(and (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (<= |ULTIMATE.start_main_~this_expect~0#1| 2) (<= 2 |ULTIMATE.start_main_~this_expect~0#1|) (<= 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|))} is VALID [2022-02-20 16:07:42,673 INFO L290 TraceCheckUtils]: 44: Hoare triple {24336#(and (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (<= |ULTIMATE.start_main_~this_expect~0#1| 2) (<= 2 |ULTIMATE.start_main_~this_expect~0#1|) (<= 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|))} assume !(3 == main_~q~0#1); {24336#(and (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (<= |ULTIMATE.start_main_~this_expect~0#1| 2) (<= 2 |ULTIMATE.start_main_~this_expect~0#1|) (<= 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|))} is VALID [2022-02-20 16:07:42,673 INFO L290 TraceCheckUtils]: 45: Hoare triple {24336#(and (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (<= |ULTIMATE.start_main_~this_expect~0#1| 2) (<= 2 |ULTIMATE.start_main_~this_expect~0#1|) (<= 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|))} assume !(4 == main_~q~0#1); {24336#(and (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (<= |ULTIMATE.start_main_~this_expect~0#1| 2) (<= 2 |ULTIMATE.start_main_~this_expect~0#1|) (<= 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|))} is VALID [2022-02-20 16:07:42,674 INFO L290 TraceCheckUtils]: 46: Hoare triple {24336#(and (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (<= |ULTIMATE.start_main_~this_expect~0#1| 2) (<= 2 |ULTIMATE.start_main_~this_expect~0#1|) (<= 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|))} assume 5 == main_~q~0#1;assume -2147483648 <= main_#t~nondet38#1 && main_#t~nondet38#1 <= 2147483647; {24336#(and (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (<= |ULTIMATE.start_main_~this_expect~0#1| 2) (<= 2 |ULTIMATE.start_main_~this_expect~0#1|) (<= 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|))} is VALID [2022-02-20 16:07:42,674 INFO L290 TraceCheckUtils]: 47: Hoare triple {24336#(and (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (<= |ULTIMATE.start_main_~this_expect~0#1| 2) (<= 2 |ULTIMATE.start_main_~this_expect~0#1|) (<= 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|))} assume !(0 != main_#t~nondet38#1);havoc main_#t~nondet38#1;assume -2147483648 <= main_#t~nondet39#1 && main_#t~nondet39#1 <= 2147483647; {24336#(and (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (<= |ULTIMATE.start_main_~this_expect~0#1| 2) (<= 2 |ULTIMATE.start_main_~this_expect~0#1|) (<= 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|))} is VALID [2022-02-20 16:07:42,674 INFO L290 TraceCheckUtils]: 48: Hoare triple {24336#(and (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (<= |ULTIMATE.start_main_~this_expect~0#1| 2) (<= 2 |ULTIMATE.start_main_~this_expect~0#1|) (<= 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|))} assume !(0 != main_#t~nondet39#1);havoc main_#t~nondet39#1;assume -2147483648 <= main_#t~nondet40#1 && main_#t~nondet40#1 <= 2147483647; {24336#(and (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (<= |ULTIMATE.start_main_~this_expect~0#1| 2) (<= 2 |ULTIMATE.start_main_~this_expect~0#1|) (<= 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|))} is VALID [2022-02-20 16:07:42,675 INFO L290 TraceCheckUtils]: 49: Hoare triple {24336#(and (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (<= |ULTIMATE.start_main_~this_expect~0#1| 2) (<= 2 |ULTIMATE.start_main_~this_expect~0#1|) (<= 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|))} assume !(0 != main_#t~nondet40#1);havoc main_#t~nondet40#1;assume -2147483648 <= main_#t~nondet41#1 && main_#t~nondet41#1 <= 2147483647; {24336#(and (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (<= |ULTIMATE.start_main_~this_expect~0#1| 2) (<= 2 |ULTIMATE.start_main_~this_expect~0#1|) (<= 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|))} is VALID [2022-02-20 16:07:42,675 INFO L290 TraceCheckUtils]: 50: Hoare triple {24336#(and (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (<= |ULTIMATE.start_main_~this_expect~0#1| 2) (<= 2 |ULTIMATE.start_main_~this_expect~0#1|) (<= 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|))} assume !(0 != main_#t~nondet41#1);havoc main_#t~nondet41#1;assume -2147483648 <= main_#t~nondet42#1 && main_#t~nondet42#1 <= 2147483647; {24336#(and (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (<= |ULTIMATE.start_main_~this_expect~0#1| 2) (<= 2 |ULTIMATE.start_main_~this_expect~0#1|) (<= 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|))} is VALID [2022-02-20 16:07:42,676 INFO L290 TraceCheckUtils]: 51: Hoare triple {24336#(and (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (<= |ULTIMATE.start_main_~this_expect~0#1| 2) (<= 2 |ULTIMATE.start_main_~this_expect~0#1|) (<= 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|))} assume !(0 != main_#t~nondet42#1);havoc main_#t~nondet42#1;assume -2147483648 <= main_#t~nondet43#1 && main_#t~nondet43#1 <= 2147483647; {24336#(and (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (<= |ULTIMATE.start_main_~this_expect~0#1| 2) (<= 2 |ULTIMATE.start_main_~this_expect~0#1|) (<= 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|))} is VALID [2022-02-20 16:07:42,676 INFO L290 TraceCheckUtils]: 52: Hoare triple {24336#(and (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (<= |ULTIMATE.start_main_~this_expect~0#1| 2) (<= 2 |ULTIMATE.start_main_~this_expect~0#1|) (<= 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|))} assume 0 != main_#t~nondet43#1;havoc main_#t~nondet43#1; {24336#(and (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (<= |ULTIMATE.start_main_~this_expect~0#1| 2) (<= 2 |ULTIMATE.start_main_~this_expect~0#1|) (<= 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|))} is VALID [2022-02-20 16:07:42,676 INFO L290 TraceCheckUtils]: 53: Hoare triple {24336#(and (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (<= |ULTIMATE.start_main_~this_expect~0#1| 2) (<= 2 |ULTIMATE.start_main_~this_expect~0#1|) (<= 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|))} assume 0 != main_~P1~0#1 && !(1 != main_~P1~0#1 && 0 != main_~P1~0#1);main_~method_id~0#1 := 7; {24336#(and (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (<= |ULTIMATE.start_main_~this_expect~0#1| 2) (<= 2 |ULTIMATE.start_main_~this_expect~0#1|) (<= 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|))} is VALID [2022-02-20 16:07:42,677 INFO L290 TraceCheckUtils]: 54: Hoare triple {24336#(and (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (<= |ULTIMATE.start_main_~this_expect~0#1| 2) (<= 2 |ULTIMATE.start_main_~this_expect~0#1|) (<= 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|))} assume !(((1 == main_~this_buffer_empty~0#1 && 0 != main_~P9~0#1) && 0 != main_~P9~0#1 && !(1 != main_~P9~0#1 && 0 != main_~P9~0#1)) || (((main_~P9~0#1 != (if main_~this_expect~0#1 - 1 < 0 && 0 != (main_~this_expect~0#1 - 1) % 2 then (main_~this_expect~0#1 - 1) % 2 - 2 else (main_~this_expect~0#1 - 1) % 2) && 1 != main_~this_buffer_empty~0#1) && 0 != main_~P9~0#1) && 0 != main_~P9~0#1 && !(1 != main_~P9~0#1 && 0 != main_~P9~0#1)));main_~q~0#1 := 1;main_~this_expect~0#1 := main_~this_expect~0#1;main_~this_buffer_empty~0#1 := 1 - main_~this_buffer_empty~0#1; {24504#(and (<= |ULTIMATE.start_main_~this_expect~0#1| 2) (<= 1 |ULTIMATE.start_main_~this_buffer_empty~0#1|) (<= 2 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} is VALID [2022-02-20 16:07:42,677 INFO L290 TraceCheckUtils]: 55: Hoare triple {24504#(and (<= |ULTIMATE.start_main_~this_expect~0#1| 2) (<= 1 |ULTIMATE.start_main_~this_buffer_empty~0#1|) (<= 2 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} assume !false;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_~P1~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647;main_~P2~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647;main_~P3~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;assume -2147483648 <= main_#t~nondet7#1 && main_#t~nondet7#1 <= 2147483647;main_~P4~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;assume -2147483648 <= main_#t~nondet8#1 && main_#t~nondet8#1 <= 2147483647;main_~P5~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647;main_~P6~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1;assume -2147483648 <= main_#t~nondet10#1 && main_#t~nondet10#1 <= 2147483647;main_~P7~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;assume -2147483648 <= main_#t~nondet11#1 && main_#t~nondet11#1 <= 2147483647;main_~P8~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;assume -2147483648 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 2147483647;main_~P9~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; {24504#(and (<= |ULTIMATE.start_main_~this_expect~0#1| 2) (<= 1 |ULTIMATE.start_main_~this_buffer_empty~0#1|) (<= 2 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} is VALID [2022-02-20 16:07:42,678 INFO L290 TraceCheckUtils]: 56: Hoare triple {24504#(and (<= |ULTIMATE.start_main_~this_expect~0#1| 2) (<= 1 |ULTIMATE.start_main_~this_buffer_empty~0#1|) (<= 2 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} assume !(main_~this_expect~0#1 > 16); {24504#(and (<= |ULTIMATE.start_main_~this_expect~0#1| 2) (<= 1 |ULTIMATE.start_main_~this_buffer_empty~0#1|) (<= 2 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} is VALID [2022-02-20 16:07:42,678 INFO L290 TraceCheckUtils]: 57: Hoare triple {24504#(and (<= |ULTIMATE.start_main_~this_expect~0#1| 2) (<= 1 |ULTIMATE.start_main_~this_buffer_empty~0#1|) (<= 2 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} assume !(0 == main_~q~0#1); {24504#(and (<= |ULTIMATE.start_main_~this_expect~0#1| 2) (<= 1 |ULTIMATE.start_main_~this_buffer_empty~0#1|) (<= 2 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} is VALID [2022-02-20 16:07:42,678 INFO L290 TraceCheckUtils]: 58: Hoare triple {24504#(and (<= |ULTIMATE.start_main_~this_expect~0#1| 2) (<= 1 |ULTIMATE.start_main_~this_buffer_empty~0#1|) (<= 2 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} assume 1 == main_~q~0#1;assume -2147483648 <= main_#t~nondet14#1 && main_#t~nondet14#1 <= 2147483647; {24504#(and (<= |ULTIMATE.start_main_~this_expect~0#1| 2) (<= 1 |ULTIMATE.start_main_~this_buffer_empty~0#1|) (<= 2 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} is VALID [2022-02-20 16:07:42,679 INFO L290 TraceCheckUtils]: 59: Hoare triple {24504#(and (<= |ULTIMATE.start_main_~this_expect~0#1| 2) (<= 1 |ULTIMATE.start_main_~this_buffer_empty~0#1|) (<= 2 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} assume 0 != main_#t~nondet14#1;havoc main_#t~nondet14#1; {24504#(and (<= |ULTIMATE.start_main_~this_expect~0#1| 2) (<= 1 |ULTIMATE.start_main_~this_buffer_empty~0#1|) (<= 2 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} is VALID [2022-02-20 16:07:42,679 INFO L290 TraceCheckUtils]: 60: Hoare triple {24504#(and (<= |ULTIMATE.start_main_~this_expect~0#1| 2) (<= 1 |ULTIMATE.start_main_~this_buffer_empty~0#1|) (<= 2 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} assume !(0 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2));main_~method_id~0#1 := 2; {24504#(and (<= |ULTIMATE.start_main_~this_expect~0#1| 2) (<= 1 |ULTIMATE.start_main_~this_buffer_empty~0#1|) (<= 2 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} is VALID [2022-02-20 16:07:42,680 INFO L290 TraceCheckUtils]: 61: Hoare triple {24504#(and (<= |ULTIMATE.start_main_~this_expect~0#1| 2) (<= 1 |ULTIMATE.start_main_~this_buffer_empty~0#1|) (<= 2 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} assume (((if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2) != (if main_~this_expect~0#1 < 0 && 0 != main_~this_expect~0#1 % 2 then main_~this_expect~0#1 % 2 - 2 else main_~this_expect~0#1 % 2) && 1 == main_~this_buffer_empty~0#1) && !(0 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2))) || (1 != main_~this_buffer_empty~0#1 && !(0 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2))); {24332#false} is VALID [2022-02-20 16:07:42,680 INFO L290 TraceCheckUtils]: 62: Hoare triple {24332#false} assume !false; {24332#false} is VALID [2022-02-20 16:07:42,680 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 15 proven. 50 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 16:07:42,680 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-20 16:07:43,220 INFO L290 TraceCheckUtils]: 62: Hoare triple {24332#false} assume !false; {24332#false} is VALID [2022-02-20 16:07:43,220 INFO L290 TraceCheckUtils]: 61: Hoare triple {24337#(and (< 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|) (= (* 2 (div |ULTIMATE.start_main_~this_expect~0#1| 2)) |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} assume (((if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2) != (if main_~this_expect~0#1 < 0 && 0 != main_~this_expect~0#1 % 2 then main_~this_expect~0#1 % 2 - 2 else main_~this_expect~0#1 % 2) && 1 == main_~this_buffer_empty~0#1) && !(0 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2))) || (1 != main_~this_buffer_empty~0#1 && !(0 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2))); {24332#false} is VALID [2022-02-20 16:07:43,221 INFO L290 TraceCheckUtils]: 60: Hoare triple {24337#(and (< 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|) (= (* 2 (div |ULTIMATE.start_main_~this_expect~0#1| 2)) |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} assume !(0 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2));main_~method_id~0#1 := 2; {24337#(and (< 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|) (= (* 2 (div |ULTIMATE.start_main_~this_expect~0#1| 2)) |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} is VALID [2022-02-20 16:07:43,221 INFO L290 TraceCheckUtils]: 59: Hoare triple {24337#(and (< 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|) (= (* 2 (div |ULTIMATE.start_main_~this_expect~0#1| 2)) |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} assume 0 != main_#t~nondet14#1;havoc main_#t~nondet14#1; {24337#(and (< 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|) (= (* 2 (div |ULTIMATE.start_main_~this_expect~0#1| 2)) |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} is VALID [2022-02-20 16:07:43,221 INFO L290 TraceCheckUtils]: 58: Hoare triple {24337#(and (< 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|) (= (* 2 (div |ULTIMATE.start_main_~this_expect~0#1| 2)) |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} assume 1 == main_~q~0#1;assume -2147483648 <= main_#t~nondet14#1 && main_#t~nondet14#1 <= 2147483647; {24337#(and (< 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|) (= (* 2 (div |ULTIMATE.start_main_~this_expect~0#1| 2)) |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} is VALID [2022-02-20 16:07:43,222 INFO L290 TraceCheckUtils]: 57: Hoare triple {24337#(and (< 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|) (= (* 2 (div |ULTIMATE.start_main_~this_expect~0#1| 2)) |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} assume !(0 == main_~q~0#1); {24337#(and (< 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|) (= (* 2 (div |ULTIMATE.start_main_~this_expect~0#1| 2)) |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} is VALID [2022-02-20 16:07:43,222 INFO L290 TraceCheckUtils]: 56: Hoare triple {24337#(and (< 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|) (= (* 2 (div |ULTIMATE.start_main_~this_expect~0#1| 2)) |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} assume !(main_~this_expect~0#1 > 16); {24337#(and (< 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|) (= (* 2 (div |ULTIMATE.start_main_~this_expect~0#1| 2)) |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} is VALID [2022-02-20 16:07:43,223 INFO L290 TraceCheckUtils]: 55: Hoare triple {24337#(and (< 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|) (= (* 2 (div |ULTIMATE.start_main_~this_expect~0#1| 2)) |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} assume !false;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_~P1~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647;main_~P2~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647;main_~P3~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;assume -2147483648 <= main_#t~nondet7#1 && main_#t~nondet7#1 <= 2147483647;main_~P4~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;assume -2147483648 <= main_#t~nondet8#1 && main_#t~nondet8#1 <= 2147483647;main_~P5~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647;main_~P6~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1;assume -2147483648 <= main_#t~nondet10#1 && main_#t~nondet10#1 <= 2147483647;main_~P7~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;assume -2147483648 <= main_#t~nondet11#1 && main_#t~nondet11#1 <= 2147483647;main_~P8~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;assume -2147483648 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 2147483647;main_~P9~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; {24337#(and (< 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|) (= (* 2 (div |ULTIMATE.start_main_~this_expect~0#1| 2)) |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} is VALID [2022-02-20 16:07:43,223 INFO L290 TraceCheckUtils]: 54: Hoare triple {24553#(and (= (* 2 (div |ULTIMATE.start_main_~this_expect~0#1| 2)) |ULTIMATE.start_main_~this_expect~0#1|) (< |ULTIMATE.start_main_~this_buffer_empty~0#1| 1) (<= 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|))} assume !(((1 == main_~this_buffer_empty~0#1 && 0 != main_~P9~0#1) && 0 != main_~P9~0#1 && !(1 != main_~P9~0#1 && 0 != main_~P9~0#1)) || (((main_~P9~0#1 != (if main_~this_expect~0#1 - 1 < 0 && 0 != (main_~this_expect~0#1 - 1) % 2 then (main_~this_expect~0#1 - 1) % 2 - 2 else (main_~this_expect~0#1 - 1) % 2) && 1 != main_~this_buffer_empty~0#1) && 0 != main_~P9~0#1) && 0 != main_~P9~0#1 && !(1 != main_~P9~0#1 && 0 != main_~P9~0#1)));main_~q~0#1 := 1;main_~this_expect~0#1 := main_~this_expect~0#1;main_~this_buffer_empty~0#1 := 1 - main_~this_buffer_empty~0#1; {24337#(and (< 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|) (= (* 2 (div |ULTIMATE.start_main_~this_expect~0#1| 2)) |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} is VALID [2022-02-20 16:07:43,224 INFO L290 TraceCheckUtils]: 53: Hoare triple {24553#(and (= (* 2 (div |ULTIMATE.start_main_~this_expect~0#1| 2)) |ULTIMATE.start_main_~this_expect~0#1|) (< |ULTIMATE.start_main_~this_buffer_empty~0#1| 1) (<= 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|))} assume 0 != main_~P1~0#1 && !(1 != main_~P1~0#1 && 0 != main_~P1~0#1);main_~method_id~0#1 := 7; {24553#(and (= (* 2 (div |ULTIMATE.start_main_~this_expect~0#1| 2)) |ULTIMATE.start_main_~this_expect~0#1|) (< |ULTIMATE.start_main_~this_buffer_empty~0#1| 1) (<= 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|))} is VALID [2022-02-20 16:07:43,224 INFO L290 TraceCheckUtils]: 52: Hoare triple {24553#(and (= (* 2 (div |ULTIMATE.start_main_~this_expect~0#1| 2)) |ULTIMATE.start_main_~this_expect~0#1|) (< |ULTIMATE.start_main_~this_buffer_empty~0#1| 1) (<= 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|))} assume 0 != main_#t~nondet43#1;havoc main_#t~nondet43#1; {24553#(and (= (* 2 (div |ULTIMATE.start_main_~this_expect~0#1| 2)) |ULTIMATE.start_main_~this_expect~0#1|) (< |ULTIMATE.start_main_~this_buffer_empty~0#1| 1) (<= 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|))} is VALID [2022-02-20 16:07:43,225 INFO L290 TraceCheckUtils]: 51: Hoare triple {24553#(and (= (* 2 (div |ULTIMATE.start_main_~this_expect~0#1| 2)) |ULTIMATE.start_main_~this_expect~0#1|) (< |ULTIMATE.start_main_~this_buffer_empty~0#1| 1) (<= 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|))} assume !(0 != main_#t~nondet42#1);havoc main_#t~nondet42#1;assume -2147483648 <= main_#t~nondet43#1 && main_#t~nondet43#1 <= 2147483647; {24553#(and (= (* 2 (div |ULTIMATE.start_main_~this_expect~0#1| 2)) |ULTIMATE.start_main_~this_expect~0#1|) (< |ULTIMATE.start_main_~this_buffer_empty~0#1| 1) (<= 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|))} is VALID [2022-02-20 16:07:43,225 INFO L290 TraceCheckUtils]: 50: Hoare triple {24553#(and (= (* 2 (div |ULTIMATE.start_main_~this_expect~0#1| 2)) |ULTIMATE.start_main_~this_expect~0#1|) (< |ULTIMATE.start_main_~this_buffer_empty~0#1| 1) (<= 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|))} assume !(0 != main_#t~nondet41#1);havoc main_#t~nondet41#1;assume -2147483648 <= main_#t~nondet42#1 && main_#t~nondet42#1 <= 2147483647; {24553#(and (= (* 2 (div |ULTIMATE.start_main_~this_expect~0#1| 2)) |ULTIMATE.start_main_~this_expect~0#1|) (< |ULTIMATE.start_main_~this_buffer_empty~0#1| 1) (<= 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|))} is VALID [2022-02-20 16:07:43,225 INFO L290 TraceCheckUtils]: 49: Hoare triple {24553#(and (= (* 2 (div |ULTIMATE.start_main_~this_expect~0#1| 2)) |ULTIMATE.start_main_~this_expect~0#1|) (< |ULTIMATE.start_main_~this_buffer_empty~0#1| 1) (<= 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|))} assume !(0 != main_#t~nondet40#1);havoc main_#t~nondet40#1;assume -2147483648 <= main_#t~nondet41#1 && main_#t~nondet41#1 <= 2147483647; {24553#(and (= (* 2 (div |ULTIMATE.start_main_~this_expect~0#1| 2)) |ULTIMATE.start_main_~this_expect~0#1|) (< |ULTIMATE.start_main_~this_buffer_empty~0#1| 1) (<= 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|))} is VALID [2022-02-20 16:07:43,226 INFO L290 TraceCheckUtils]: 48: Hoare triple {24553#(and (= (* 2 (div |ULTIMATE.start_main_~this_expect~0#1| 2)) |ULTIMATE.start_main_~this_expect~0#1|) (< |ULTIMATE.start_main_~this_buffer_empty~0#1| 1) (<= 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|))} assume !(0 != main_#t~nondet39#1);havoc main_#t~nondet39#1;assume -2147483648 <= main_#t~nondet40#1 && main_#t~nondet40#1 <= 2147483647; {24553#(and (= (* 2 (div |ULTIMATE.start_main_~this_expect~0#1| 2)) |ULTIMATE.start_main_~this_expect~0#1|) (< |ULTIMATE.start_main_~this_buffer_empty~0#1| 1) (<= 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|))} is VALID [2022-02-20 16:07:43,226 INFO L290 TraceCheckUtils]: 47: Hoare triple {24553#(and (= (* 2 (div |ULTIMATE.start_main_~this_expect~0#1| 2)) |ULTIMATE.start_main_~this_expect~0#1|) (< |ULTIMATE.start_main_~this_buffer_empty~0#1| 1) (<= 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|))} assume !(0 != main_#t~nondet38#1);havoc main_#t~nondet38#1;assume -2147483648 <= main_#t~nondet39#1 && main_#t~nondet39#1 <= 2147483647; {24553#(and (= (* 2 (div |ULTIMATE.start_main_~this_expect~0#1| 2)) |ULTIMATE.start_main_~this_expect~0#1|) (< |ULTIMATE.start_main_~this_buffer_empty~0#1| 1) (<= 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|))} is VALID [2022-02-20 16:07:43,226 INFO L290 TraceCheckUtils]: 46: Hoare triple {24553#(and (= (* 2 (div |ULTIMATE.start_main_~this_expect~0#1| 2)) |ULTIMATE.start_main_~this_expect~0#1|) (< |ULTIMATE.start_main_~this_buffer_empty~0#1| 1) (<= 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|))} assume 5 == main_~q~0#1;assume -2147483648 <= main_#t~nondet38#1 && main_#t~nondet38#1 <= 2147483647; {24553#(and (= (* 2 (div |ULTIMATE.start_main_~this_expect~0#1| 2)) |ULTIMATE.start_main_~this_expect~0#1|) (< |ULTIMATE.start_main_~this_buffer_empty~0#1| 1) (<= 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|))} is VALID [2022-02-20 16:07:43,227 INFO L290 TraceCheckUtils]: 45: Hoare triple {24553#(and (= (* 2 (div |ULTIMATE.start_main_~this_expect~0#1| 2)) |ULTIMATE.start_main_~this_expect~0#1|) (< |ULTIMATE.start_main_~this_buffer_empty~0#1| 1) (<= 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|))} assume !(4 == main_~q~0#1); {24553#(and (= (* 2 (div |ULTIMATE.start_main_~this_expect~0#1| 2)) |ULTIMATE.start_main_~this_expect~0#1|) (< |ULTIMATE.start_main_~this_buffer_empty~0#1| 1) (<= 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|))} is VALID [2022-02-20 16:07:43,227 INFO L290 TraceCheckUtils]: 44: Hoare triple {24553#(and (= (* 2 (div |ULTIMATE.start_main_~this_expect~0#1| 2)) |ULTIMATE.start_main_~this_expect~0#1|) (< |ULTIMATE.start_main_~this_buffer_empty~0#1| 1) (<= 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|))} assume !(3 == main_~q~0#1); {24553#(and (= (* 2 (div |ULTIMATE.start_main_~this_expect~0#1| 2)) |ULTIMATE.start_main_~this_expect~0#1|) (< |ULTIMATE.start_main_~this_buffer_empty~0#1| 1) (<= 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|))} is VALID [2022-02-20 16:07:43,227 INFO L290 TraceCheckUtils]: 43: Hoare triple {24553#(and (= (* 2 (div |ULTIMATE.start_main_~this_expect~0#1| 2)) |ULTIMATE.start_main_~this_expect~0#1|) (< |ULTIMATE.start_main_~this_buffer_empty~0#1| 1) (<= 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|))} assume !(2 == main_~q~0#1); {24553#(and (= (* 2 (div |ULTIMATE.start_main_~this_expect~0#1| 2)) |ULTIMATE.start_main_~this_expect~0#1|) (< |ULTIMATE.start_main_~this_buffer_empty~0#1| 1) (<= 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|))} is VALID [2022-02-20 16:07:43,228 INFO L290 TraceCheckUtils]: 42: Hoare triple {24553#(and (= (* 2 (div |ULTIMATE.start_main_~this_expect~0#1| 2)) |ULTIMATE.start_main_~this_expect~0#1|) (< |ULTIMATE.start_main_~this_buffer_empty~0#1| 1) (<= 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|))} assume !(1 == main_~q~0#1); {24553#(and (= (* 2 (div |ULTIMATE.start_main_~this_expect~0#1| 2)) |ULTIMATE.start_main_~this_expect~0#1|) (< |ULTIMATE.start_main_~this_buffer_empty~0#1| 1) (<= 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|))} is VALID [2022-02-20 16:07:43,228 INFO L290 TraceCheckUtils]: 41: Hoare triple {24553#(and (= (* 2 (div |ULTIMATE.start_main_~this_expect~0#1| 2)) |ULTIMATE.start_main_~this_expect~0#1|) (< |ULTIMATE.start_main_~this_buffer_empty~0#1| 1) (<= 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|))} assume !(0 == main_~q~0#1); {24553#(and (= (* 2 (div |ULTIMATE.start_main_~this_expect~0#1| 2)) |ULTIMATE.start_main_~this_expect~0#1|) (< |ULTIMATE.start_main_~this_buffer_empty~0#1| 1) (<= 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|))} is VALID [2022-02-20 16:07:43,228 INFO L290 TraceCheckUtils]: 40: Hoare triple {24553#(and (= (* 2 (div |ULTIMATE.start_main_~this_expect~0#1| 2)) |ULTIMATE.start_main_~this_expect~0#1|) (< |ULTIMATE.start_main_~this_buffer_empty~0#1| 1) (<= 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|))} assume !(main_~this_expect~0#1 > 16); {24553#(and (= (* 2 (div |ULTIMATE.start_main_~this_expect~0#1| 2)) |ULTIMATE.start_main_~this_expect~0#1|) (< |ULTIMATE.start_main_~this_buffer_empty~0#1| 1) (<= 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|))} is VALID [2022-02-20 16:07:43,229 INFO L290 TraceCheckUtils]: 39: Hoare triple {24553#(and (= (* 2 (div |ULTIMATE.start_main_~this_expect~0#1| 2)) |ULTIMATE.start_main_~this_expect~0#1|) (< |ULTIMATE.start_main_~this_buffer_empty~0#1| 1) (<= 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|))} assume !false;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_~P1~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647;main_~P2~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647;main_~P3~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;assume -2147483648 <= main_#t~nondet7#1 && main_#t~nondet7#1 <= 2147483647;main_~P4~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;assume -2147483648 <= main_#t~nondet8#1 && main_#t~nondet8#1 <= 2147483647;main_~P5~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647;main_~P6~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1;assume -2147483648 <= main_#t~nondet10#1 && main_#t~nondet10#1 <= 2147483647;main_~P7~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;assume -2147483648 <= main_#t~nondet11#1 && main_#t~nondet11#1 <= 2147483647;main_~P8~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;assume -2147483648 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 2147483647;main_~P9~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; {24553#(and (= (* 2 (div |ULTIMATE.start_main_~this_expect~0#1| 2)) |ULTIMATE.start_main_~this_expect~0#1|) (< |ULTIMATE.start_main_~this_buffer_empty~0#1| 1) (<= 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|))} is VALID [2022-02-20 16:07:43,230 INFO L290 TraceCheckUtils]: 38: Hoare triple {24602#(and (= (* (div (+ |ULTIMATE.start_main_~this_expect~0#1| 1) 2) 2) (+ |ULTIMATE.start_main_~this_expect~0#1| 1)) (< 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} assume !(((((if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2) != (if main_~this_expect~0#1 < 0 && 0 != main_~this_expect~0#1 % 2 then main_~this_expect~0#1 % 2 - 2 else main_~this_expect~0#1 % 2) && 1 == main_~this_buffer_empty~0#1) && 0 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2)) && 0 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2) && !(1 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2) && 0 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2))) || ((1 != main_~this_buffer_empty~0#1 && 0 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2)) && 0 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2) && !(1 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2) && 0 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2))));main_~q~0#1 := 5;main_~this_expect~0#1 := 1 + main_~this_expect~0#1;main_~this_buffer_empty~0#1 := 1 - main_~this_buffer_empty~0#1; {24553#(and (= (* 2 (div |ULTIMATE.start_main_~this_expect~0#1| 2)) |ULTIMATE.start_main_~this_expect~0#1|) (< |ULTIMATE.start_main_~this_buffer_empty~0#1| 1) (<= 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|))} is VALID [2022-02-20 16:07:43,230 INFO L290 TraceCheckUtils]: 37: Hoare triple {24602#(and (= (* (div (+ |ULTIMATE.start_main_~this_expect~0#1| 1) 2) 2) (+ |ULTIMATE.start_main_~this_expect~0#1| 1)) (< 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} assume 0 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2) && !(1 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2) && 0 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2));main_~method_id~0#1 := 5; {24602#(and (= (* (div (+ |ULTIMATE.start_main_~this_expect~0#1| 1) 2) 2) (+ |ULTIMATE.start_main_~this_expect~0#1| 1)) (< 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} is VALID [2022-02-20 16:07:43,231 INFO L290 TraceCheckUtils]: 36: Hoare triple {24602#(and (= (* (div (+ |ULTIMATE.start_main_~this_expect~0#1| 1) 2) 2) (+ |ULTIMATE.start_main_~this_expect~0#1| 1)) (< 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} assume 0 != main_#t~nondet35#1;havoc main_#t~nondet35#1; {24602#(and (= (* (div (+ |ULTIMATE.start_main_~this_expect~0#1| 1) 2) 2) (+ |ULTIMATE.start_main_~this_expect~0#1| 1)) (< 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} is VALID [2022-02-20 16:07:43,231 INFO L290 TraceCheckUtils]: 35: Hoare triple {24602#(and (= (* (div (+ |ULTIMATE.start_main_~this_expect~0#1| 1) 2) 2) (+ |ULTIMATE.start_main_~this_expect~0#1| 1)) (< 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} assume !(0 != main_#t~nondet34#1);havoc main_#t~nondet34#1;assume -2147483648 <= main_#t~nondet35#1 && main_#t~nondet35#1 <= 2147483647; {24602#(and (= (* (div (+ |ULTIMATE.start_main_~this_expect~0#1| 1) 2) 2) (+ |ULTIMATE.start_main_~this_expect~0#1| 1)) (< 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} is VALID [2022-02-20 16:07:43,231 INFO L290 TraceCheckUtils]: 34: Hoare triple {24602#(and (= (* (div (+ |ULTIMATE.start_main_~this_expect~0#1| 1) 2) 2) (+ |ULTIMATE.start_main_~this_expect~0#1| 1)) (< 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} assume !(0 != main_#t~nondet33#1);havoc main_#t~nondet33#1;assume -2147483648 <= main_#t~nondet34#1 && main_#t~nondet34#1 <= 2147483647; {24602#(and (= (* (div (+ |ULTIMATE.start_main_~this_expect~0#1| 1) 2) 2) (+ |ULTIMATE.start_main_~this_expect~0#1| 1)) (< 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} is VALID [2022-02-20 16:07:43,232 INFO L290 TraceCheckUtils]: 33: Hoare triple {24602#(and (= (* (div (+ |ULTIMATE.start_main_~this_expect~0#1| 1) 2) 2) (+ |ULTIMATE.start_main_~this_expect~0#1| 1)) (< 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} assume !(0 != main_#t~nondet32#1);havoc main_#t~nondet32#1;assume -2147483648 <= main_#t~nondet33#1 && main_#t~nondet33#1 <= 2147483647; {24602#(and (= (* (div (+ |ULTIMATE.start_main_~this_expect~0#1| 1) 2) 2) (+ |ULTIMATE.start_main_~this_expect~0#1| 1)) (< 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} is VALID [2022-02-20 16:07:43,232 INFO L290 TraceCheckUtils]: 32: Hoare triple {24602#(and (= (* (div (+ |ULTIMATE.start_main_~this_expect~0#1| 1) 2) 2) (+ |ULTIMATE.start_main_~this_expect~0#1| 1)) (< 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} assume 4 == main_~q~0#1;assume -2147483648 <= main_#t~nondet32#1 && main_#t~nondet32#1 <= 2147483647; {24602#(and (= (* (div (+ |ULTIMATE.start_main_~this_expect~0#1| 1) 2) 2) (+ |ULTIMATE.start_main_~this_expect~0#1| 1)) (< 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} is VALID [2022-02-20 16:07:43,233 INFO L290 TraceCheckUtils]: 31: Hoare triple {24602#(and (= (* (div (+ |ULTIMATE.start_main_~this_expect~0#1| 1) 2) 2) (+ |ULTIMATE.start_main_~this_expect~0#1| 1)) (< 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} assume !(3 == main_~q~0#1); {24602#(and (= (* (div (+ |ULTIMATE.start_main_~this_expect~0#1| 1) 2) 2) (+ |ULTIMATE.start_main_~this_expect~0#1| 1)) (< 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} is VALID [2022-02-20 16:07:43,233 INFO L290 TraceCheckUtils]: 30: Hoare triple {24602#(and (= (* (div (+ |ULTIMATE.start_main_~this_expect~0#1| 1) 2) 2) (+ |ULTIMATE.start_main_~this_expect~0#1| 1)) (< 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} assume !(2 == main_~q~0#1); {24602#(and (= (* (div (+ |ULTIMATE.start_main_~this_expect~0#1| 1) 2) 2) (+ |ULTIMATE.start_main_~this_expect~0#1| 1)) (< 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} is VALID [2022-02-20 16:07:43,233 INFO L290 TraceCheckUtils]: 29: Hoare triple {24602#(and (= (* (div (+ |ULTIMATE.start_main_~this_expect~0#1| 1) 2) 2) (+ |ULTIMATE.start_main_~this_expect~0#1| 1)) (< 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} assume !(1 == main_~q~0#1); {24602#(and (= (* (div (+ |ULTIMATE.start_main_~this_expect~0#1| 1) 2) 2) (+ |ULTIMATE.start_main_~this_expect~0#1| 1)) (< 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} is VALID [2022-02-20 16:07:43,234 INFO L290 TraceCheckUtils]: 28: Hoare triple {24602#(and (= (* (div (+ |ULTIMATE.start_main_~this_expect~0#1| 1) 2) 2) (+ |ULTIMATE.start_main_~this_expect~0#1| 1)) (< 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} assume !(0 == main_~q~0#1); {24602#(and (= (* (div (+ |ULTIMATE.start_main_~this_expect~0#1| 1) 2) 2) (+ |ULTIMATE.start_main_~this_expect~0#1| 1)) (< 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} is VALID [2022-02-20 16:07:43,234 INFO L290 TraceCheckUtils]: 27: Hoare triple {24602#(and (= (* (div (+ |ULTIMATE.start_main_~this_expect~0#1| 1) 2) 2) (+ |ULTIMATE.start_main_~this_expect~0#1| 1)) (< 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} assume !(main_~this_expect~0#1 > 16); {24602#(and (= (* (div (+ |ULTIMATE.start_main_~this_expect~0#1| 1) 2) 2) (+ |ULTIMATE.start_main_~this_expect~0#1| 1)) (< 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} is VALID [2022-02-20 16:07:43,235 INFO L290 TraceCheckUtils]: 26: Hoare triple {24602#(and (= (* (div (+ |ULTIMATE.start_main_~this_expect~0#1| 1) 2) 2) (+ |ULTIMATE.start_main_~this_expect~0#1| 1)) (< 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} assume !false;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_~P1~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647;main_~P2~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647;main_~P3~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;assume -2147483648 <= main_#t~nondet7#1 && main_#t~nondet7#1 <= 2147483647;main_~P4~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;assume -2147483648 <= main_#t~nondet8#1 && main_#t~nondet8#1 <= 2147483647;main_~P5~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647;main_~P6~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1;assume -2147483648 <= main_#t~nondet10#1 && main_#t~nondet10#1 <= 2147483647;main_~P7~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;assume -2147483648 <= main_#t~nondet11#1 && main_#t~nondet11#1 <= 2147483647;main_~P8~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;assume -2147483648 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 2147483647;main_~P9~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; {24602#(and (= (* (div (+ |ULTIMATE.start_main_~this_expect~0#1| 1) 2) 2) (+ |ULTIMATE.start_main_~this_expect~0#1| 1)) (< 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} is VALID [2022-02-20 16:07:43,235 INFO L290 TraceCheckUtils]: 25: Hoare triple {24642#(and (= (* (div (+ |ULTIMATE.start_main_~this_expect~0#1| 1) 2) 2) (+ |ULTIMATE.start_main_~this_expect~0#1| 1)) (< |ULTIMATE.start_main_~this_buffer_empty~0#1| 1) (<= 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|))} assume !((1 == main_~this_buffer_empty~0#1 && !(0 != main_~P3~0#1)) || ((main_~P3~0#1 != (if main_~this_expect~0#1 - 1 < 0 && 0 != (main_~this_expect~0#1 - 1) % 2 then (main_~this_expect~0#1 - 1) % 2 - 2 else (main_~this_expect~0#1 - 1) % 2) && 1 != main_~this_buffer_empty~0#1) && !(0 != main_~P3~0#1)));main_~q~0#1 := 4;main_~this_expect~0#1 := main_~this_expect~0#1;main_~this_buffer_empty~0#1 := 1 - main_~this_buffer_empty~0#1; {24602#(and (= (* (div (+ |ULTIMATE.start_main_~this_expect~0#1| 1) 2) 2) (+ |ULTIMATE.start_main_~this_expect~0#1| 1)) (< 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} is VALID [2022-02-20 16:07:43,236 INFO L290 TraceCheckUtils]: 24: Hoare triple {24642#(and (= (* (div (+ |ULTIMATE.start_main_~this_expect~0#1| 1) 2) 2) (+ |ULTIMATE.start_main_~this_expect~0#1| 1)) (< |ULTIMATE.start_main_~this_buffer_empty~0#1| 1) (<= 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|))} assume !(0 != main_~P1~0#1);main_~method_id~0#1 := 3; {24642#(and (= (* (div (+ |ULTIMATE.start_main_~this_expect~0#1| 1) 2) 2) (+ |ULTIMATE.start_main_~this_expect~0#1| 1)) (< |ULTIMATE.start_main_~this_buffer_empty~0#1| 1) (<= 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|))} is VALID [2022-02-20 16:07:43,236 INFO L290 TraceCheckUtils]: 23: Hoare triple {24642#(and (= (* (div (+ |ULTIMATE.start_main_~this_expect~0#1| 1) 2) 2) (+ |ULTIMATE.start_main_~this_expect~0#1| 1)) (< |ULTIMATE.start_main_~this_buffer_empty~0#1| 1) (<= 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|))} assume 0 != main_#t~nondet27#1;havoc main_#t~nondet27#1; {24642#(and (= (* (div (+ |ULTIMATE.start_main_~this_expect~0#1| 1) 2) 2) (+ |ULTIMATE.start_main_~this_expect~0#1| 1)) (< |ULTIMATE.start_main_~this_buffer_empty~0#1| 1) (<= 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|))} is VALID [2022-02-20 16:07:43,236 INFO L290 TraceCheckUtils]: 22: Hoare triple {24642#(and (= (* (div (+ |ULTIMATE.start_main_~this_expect~0#1| 1) 2) 2) (+ |ULTIMATE.start_main_~this_expect~0#1| 1)) (< |ULTIMATE.start_main_~this_buffer_empty~0#1| 1) (<= 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|))} assume !(0 != main_#t~nondet26#1);havoc main_#t~nondet26#1;assume -2147483648 <= main_#t~nondet27#1 && main_#t~nondet27#1 <= 2147483647; {24642#(and (= (* (div (+ |ULTIMATE.start_main_~this_expect~0#1| 1) 2) 2) (+ |ULTIMATE.start_main_~this_expect~0#1| 1)) (< |ULTIMATE.start_main_~this_buffer_empty~0#1| 1) (<= 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|))} is VALID [2022-02-20 16:07:43,237 INFO L290 TraceCheckUtils]: 21: Hoare triple {24642#(and (= (* (div (+ |ULTIMATE.start_main_~this_expect~0#1| 1) 2) 2) (+ |ULTIMATE.start_main_~this_expect~0#1| 1)) (< |ULTIMATE.start_main_~this_buffer_empty~0#1| 1) (<= 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|))} assume 3 == main_~q~0#1;assume -2147483648 <= main_#t~nondet26#1 && main_#t~nondet26#1 <= 2147483647; {24642#(and (= (* (div (+ |ULTIMATE.start_main_~this_expect~0#1| 1) 2) 2) (+ |ULTIMATE.start_main_~this_expect~0#1| 1)) (< |ULTIMATE.start_main_~this_buffer_empty~0#1| 1) (<= 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|))} is VALID [2022-02-20 16:07:43,237 INFO L290 TraceCheckUtils]: 20: Hoare triple {24642#(and (= (* (div (+ |ULTIMATE.start_main_~this_expect~0#1| 1) 2) 2) (+ |ULTIMATE.start_main_~this_expect~0#1| 1)) (< |ULTIMATE.start_main_~this_buffer_empty~0#1| 1) (<= 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|))} assume !(2 == main_~q~0#1); {24642#(and (= (* (div (+ |ULTIMATE.start_main_~this_expect~0#1| 1) 2) 2) (+ |ULTIMATE.start_main_~this_expect~0#1| 1)) (< |ULTIMATE.start_main_~this_buffer_empty~0#1| 1) (<= 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|))} is VALID [2022-02-20 16:07:43,238 INFO L290 TraceCheckUtils]: 19: Hoare triple {24642#(and (= (* (div (+ |ULTIMATE.start_main_~this_expect~0#1| 1) 2) 2) (+ |ULTIMATE.start_main_~this_expect~0#1| 1)) (< |ULTIMATE.start_main_~this_buffer_empty~0#1| 1) (<= 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|))} assume !(1 == main_~q~0#1); {24642#(and (= (* (div (+ |ULTIMATE.start_main_~this_expect~0#1| 1) 2) 2) (+ |ULTIMATE.start_main_~this_expect~0#1| 1)) (< |ULTIMATE.start_main_~this_buffer_empty~0#1| 1) (<= 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|))} is VALID [2022-02-20 16:07:43,238 INFO L290 TraceCheckUtils]: 18: Hoare triple {24642#(and (= (* (div (+ |ULTIMATE.start_main_~this_expect~0#1| 1) 2) 2) (+ |ULTIMATE.start_main_~this_expect~0#1| 1)) (< |ULTIMATE.start_main_~this_buffer_empty~0#1| 1) (<= 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|))} assume !(0 == main_~q~0#1); {24642#(and (= (* (div (+ |ULTIMATE.start_main_~this_expect~0#1| 1) 2) 2) (+ |ULTIMATE.start_main_~this_expect~0#1| 1)) (< |ULTIMATE.start_main_~this_buffer_empty~0#1| 1) (<= 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|))} is VALID [2022-02-20 16:07:43,238 INFO L290 TraceCheckUtils]: 17: Hoare triple {24642#(and (= (* (div (+ |ULTIMATE.start_main_~this_expect~0#1| 1) 2) 2) (+ |ULTIMATE.start_main_~this_expect~0#1| 1)) (< |ULTIMATE.start_main_~this_buffer_empty~0#1| 1) (<= 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|))} assume !(main_~this_expect~0#1 > 16); {24642#(and (= (* (div (+ |ULTIMATE.start_main_~this_expect~0#1| 1) 2) 2) (+ |ULTIMATE.start_main_~this_expect~0#1| 1)) (< |ULTIMATE.start_main_~this_buffer_empty~0#1| 1) (<= 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|))} is VALID [2022-02-20 16:07:43,239 INFO L290 TraceCheckUtils]: 16: Hoare triple {24642#(and (= (* (div (+ |ULTIMATE.start_main_~this_expect~0#1| 1) 2) 2) (+ |ULTIMATE.start_main_~this_expect~0#1| 1)) (< |ULTIMATE.start_main_~this_buffer_empty~0#1| 1) (<= 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|))} assume !false;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_~P1~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647;main_~P2~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647;main_~P3~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;assume -2147483648 <= main_#t~nondet7#1 && main_#t~nondet7#1 <= 2147483647;main_~P4~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;assume -2147483648 <= main_#t~nondet8#1 && main_#t~nondet8#1 <= 2147483647;main_~P5~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647;main_~P6~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1;assume -2147483648 <= main_#t~nondet10#1 && main_#t~nondet10#1 <= 2147483647;main_~P7~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;assume -2147483648 <= main_#t~nondet11#1 && main_#t~nondet11#1 <= 2147483647;main_~P8~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;assume -2147483648 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 2147483647;main_~P9~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; {24642#(and (= (* (div (+ |ULTIMATE.start_main_~this_expect~0#1| 1) 2) 2) (+ |ULTIMATE.start_main_~this_expect~0#1| 1)) (< |ULTIMATE.start_main_~this_buffer_empty~0#1| 1) (<= 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|))} is VALID [2022-02-20 16:07:43,240 INFO L290 TraceCheckUtils]: 15: Hoare triple {24337#(and (< 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|) (= (* 2 (div |ULTIMATE.start_main_~this_expect~0#1| 2)) |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} assume !((((if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2) != (if main_~this_expect~0#1 < 0 && 0 != main_~this_expect~0#1 % 2 then main_~this_expect~0#1 % 2 - 2 else main_~this_expect~0#1 % 2) && 1 == main_~this_buffer_empty~0#1) && !(0 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2))) || (1 != main_~this_buffer_empty~0#1 && !(0 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2))));main_~q~0#1 := 3;main_~this_expect~0#1 := 1 + main_~this_expect~0#1;main_~this_buffer_empty~0#1 := 1 - main_~this_buffer_empty~0#1; {24642#(and (= (* (div (+ |ULTIMATE.start_main_~this_expect~0#1| 1) 2) 2) (+ |ULTIMATE.start_main_~this_expect~0#1| 1)) (< |ULTIMATE.start_main_~this_buffer_empty~0#1| 1) (<= 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|))} is VALID [2022-02-20 16:07:43,240 INFO L290 TraceCheckUtils]: 14: Hoare triple {24337#(and (< 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|) (= (* 2 (div |ULTIMATE.start_main_~this_expect~0#1| 2)) |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} assume !(0 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2));main_~method_id~0#1 := 2; {24337#(and (< 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|) (= (* 2 (div |ULTIMATE.start_main_~this_expect~0#1| 2)) |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} is VALID [2022-02-20 16:07:43,240 INFO L290 TraceCheckUtils]: 13: Hoare triple {24337#(and (< 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|) (= (* 2 (div |ULTIMATE.start_main_~this_expect~0#1| 2)) |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} assume 0 != main_#t~nondet14#1;havoc main_#t~nondet14#1; {24337#(and (< 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|) (= (* 2 (div |ULTIMATE.start_main_~this_expect~0#1| 2)) |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} is VALID [2022-02-20 16:07:43,241 INFO L290 TraceCheckUtils]: 12: Hoare triple {24337#(and (< 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|) (= (* 2 (div |ULTIMATE.start_main_~this_expect~0#1| 2)) |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} assume 1 == main_~q~0#1;assume -2147483648 <= main_#t~nondet14#1 && main_#t~nondet14#1 <= 2147483647; {24337#(and (< 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|) (= (* 2 (div |ULTIMATE.start_main_~this_expect~0#1| 2)) |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} is VALID [2022-02-20 16:07:43,241 INFO L290 TraceCheckUtils]: 11: Hoare triple {24337#(and (< 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|) (= (* 2 (div |ULTIMATE.start_main_~this_expect~0#1| 2)) |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} assume !(0 == main_~q~0#1); {24337#(and (< 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|) (= (* 2 (div |ULTIMATE.start_main_~this_expect~0#1| 2)) |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} is VALID [2022-02-20 16:07:43,242 INFO L290 TraceCheckUtils]: 10: Hoare triple {24337#(and (< 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|) (= (* 2 (div |ULTIMATE.start_main_~this_expect~0#1| 2)) |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} assume !(main_~this_expect~0#1 > 16); {24337#(and (< 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|) (= (* 2 (div |ULTIMATE.start_main_~this_expect~0#1| 2)) |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} is VALID [2022-02-20 16:07:43,242 INFO L290 TraceCheckUtils]: 9: Hoare triple {24337#(and (< 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|) (= (* 2 (div |ULTIMATE.start_main_~this_expect~0#1| 2)) |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} assume !false;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_~P1~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647;main_~P2~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647;main_~P3~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;assume -2147483648 <= main_#t~nondet7#1 && main_#t~nondet7#1 <= 2147483647;main_~P4~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;assume -2147483648 <= main_#t~nondet8#1 && main_#t~nondet8#1 <= 2147483647;main_~P5~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647;main_~P6~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1;assume -2147483648 <= main_#t~nondet10#1 && main_#t~nondet10#1 <= 2147483647;main_~P7~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;assume -2147483648 <= main_#t~nondet11#1 && main_#t~nondet11#1 <= 2147483647;main_~P8~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;assume -2147483648 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 2147483647;main_~P9~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; {24337#(and (< 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|) (= (* 2 (div |ULTIMATE.start_main_~this_expect~0#1| 2)) |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} is VALID [2022-02-20 16:07:43,242 INFO L290 TraceCheckUtils]: 8: Hoare triple {24331#true} assume !false;main_~q~0#1 := 1;main_~this_expect~0#1 := 0;main_~this_buffer_empty~0#1 := 1; {24337#(and (< 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|) (= (* 2 (div |ULTIMATE.start_main_~this_expect~0#1| 2)) |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} is VALID [2022-02-20 16:07:43,243 INFO L290 TraceCheckUtils]: 7: Hoare triple {24331#true} main_~method_id~0#1 := 1; {24331#true} is VALID [2022-02-20 16:07:43,243 INFO L290 TraceCheckUtils]: 6: Hoare triple {24331#true} assume 0 != main_#t~nondet13#1;havoc main_#t~nondet13#1; {24331#true} is VALID [2022-02-20 16:07:43,243 INFO L290 TraceCheckUtils]: 5: Hoare triple {24331#true} assume 0 == main_~q~0#1;assume -2147483648 <= main_#t~nondet13#1 && main_#t~nondet13#1 <= 2147483647; {24331#true} is VALID [2022-02-20 16:07:43,243 INFO L290 TraceCheckUtils]: 4: Hoare triple {24331#true} assume !(main_~this_expect~0#1 > 16); {24331#true} is VALID [2022-02-20 16:07:43,243 INFO L290 TraceCheckUtils]: 3: Hoare triple {24331#true} assume !false;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_~P1~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647;main_~P2~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647;main_~P3~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;assume -2147483648 <= main_#t~nondet7#1 && main_#t~nondet7#1 <= 2147483647;main_~P4~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;assume -2147483648 <= main_#t~nondet8#1 && main_#t~nondet8#1 <= 2147483647;main_~P5~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647;main_~P6~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1;assume -2147483648 <= main_#t~nondet10#1 && main_#t~nondet10#1 <= 2147483647;main_~P7~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;assume -2147483648 <= main_#t~nondet11#1 && main_#t~nondet11#1 <= 2147483647;main_~P8~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;assume -2147483648 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 2147483647;main_~P9~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; {24331#true} is VALID [2022-02-20 16:07:43,243 INFO L290 TraceCheckUtils]: 2: Hoare triple {24331#true} goto; {24331#true} is VALID [2022-02-20 16:07:43,243 INFO L290 TraceCheckUtils]: 1: Hoare triple {24331#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~nondet5#1, main_#t~nondet6#1, main_#t~nondet7#1, main_#t~nondet8#1, main_#t~nondet9#1, main_#t~nondet10#1, main_#t~nondet11#1, main_#t~nondet12#1, main_#t~nondet13#1, main_#t~nondet14#1, main_#t~nondet15#1, main_#t~nondet16#1, main_#t~nondet17#1, main_#t~nondet18#1, main_#t~nondet19#1, main_#t~nondet20#1, main_#t~nondet21#1, main_#t~nondet22#1, main_#t~nondet23#1, main_#t~nondet24#1, main_#t~nondet25#1, main_#t~nondet26#1, main_#t~nondet27#1, main_#t~nondet28#1, main_#t~nondet29#1, main_#t~nondet30#1, main_#t~nondet31#1, main_#t~nondet32#1, main_#t~nondet33#1, main_#t~nondet34#1, main_#t~nondet35#1, main_#t~nondet36#1, main_#t~nondet37#1, main_#t~nondet38#1, main_#t~nondet39#1, main_#t~nondet40#1, main_#t~nondet41#1, main_#t~nondet42#1, main_#t~nondet43#1, main_~P1~0#1, main_~P2~0#1, main_~P3~0#1, main_~P4~0#1, main_~P5~0#1, main_~P6~0#1, main_~P7~0#1, main_~P8~0#1, main_~P9~0#1, main_~q~0#1, main_~method_id~0#1, main_~this_expect~0#1, main_~this_buffer_empty~0#1;main_~q~0#1 := 0;havoc main_~method_id~0#1;main_~this_expect~0#1 := 0;main_~this_buffer_empty~0#1 := 0; {24331#true} is VALID [2022-02-20 16:07:43,243 INFO L290 TraceCheckUtils]: 0: Hoare triple {24331#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(16, 2);call #Ultimate.allocInit(12, 3);~m_Protocol~0 := 1;~m_msg_2~0 := 2;~m_recv_ack_2~0 := 3;~m_msg_1_1~0 := 4;~m_msg_1_2~0 := 5;~m_recv_ack_1_1~0 := 6;~m_recv_ack_1_2~0 := 7; {24331#true} is VALID [2022-02-20 16:07:43,243 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 15 proven. 43 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-02-20 16:07:43,243 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1112955457] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-20 16:07:43,243 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-20 16:07:43,243 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7, 6] total 12 [2022-02-20 16:07:43,243 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [84202223] [2022-02-20 16:07:43,244 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-20 16:07:43,244 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 9.5) internal successors, (114), 12 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 63 [2022-02-20 16:07:43,244 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 16:07:43,244 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 12 states, 12 states have (on average 9.5) internal successors, (114), 12 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:07:43,324 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 114 edges. 114 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 16:07:43,324 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-02-20 16:07:43,324 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 16:07:43,325 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-02-20 16:07:43,325 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2022-02-20 16:07:43,325 INFO L87 Difference]: Start difference. First operand 628 states and 891 transitions. Second operand has 12 states, 12 states have (on average 9.5) internal successors, (114), 12 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:07:44,485 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 16:07:44,485 INFO L93 Difference]: Finished difference Result 638 states and 896 transitions. [2022-02-20 16:07:44,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-02-20 16:07:44,486 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 9.5) internal successors, (114), 12 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 63 [2022-02-20 16:07:44,486 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 16:07:44,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 12 states have (on average 9.5) internal successors, (114), 12 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:07:44,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 366 transitions. [2022-02-20 16:07:44,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 12 states have (on average 9.5) internal successors, (114), 12 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:07:44,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 366 transitions. [2022-02-20 16:07:44,489 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 14 states and 366 transitions. [2022-02-20 16:07:44,658 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 366 edges. 366 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 16:07:44,670 INFO L225 Difference]: With dead ends: 638 [2022-02-20 16:07:44,670 INFO L226 Difference]: Without dead ends: 636 [2022-02-20 16:07:44,670 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 118 SyntacticMatches, 4 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=37, Invalid=145, Unknown=0, NotChecked=0, Total=182 [2022-02-20 16:07:44,670 INFO L933 BasicCegarLoop]: 228 mSDtfsCounter, 317 mSDsluCounter, 1129 mSDsCounter, 0 mSdLazyCounter, 206 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 317 SdHoareTripleChecker+Valid, 1357 SdHoareTripleChecker+Invalid, 214 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 206 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-02-20 16:07:44,671 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [317 Valid, 1357 Invalid, 214 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 206 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-02-20 16:07:44,671 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 636 states. [2022-02-20 16:07:44,801 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 636 to 628. [2022-02-20 16:07:44,801 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 16:07:44,802 INFO L82 GeneralOperation]: Start isEquivalent. First operand 636 states. Second operand has 628 states, 627 states have (on average 1.405103668261563) internal successors, (881), 627 states have internal predecessors, (881), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:07:44,803 INFO L74 IsIncluded]: Start isIncluded. First operand 636 states. Second operand has 628 states, 627 states have (on average 1.405103668261563) internal successors, (881), 627 states have internal predecessors, (881), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:07:44,803 INFO L87 Difference]: Start difference. First operand 636 states. Second operand has 628 states, 627 states have (on average 1.405103668261563) internal successors, (881), 627 states have internal predecessors, (881), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:07:44,814 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 16:07:44,814 INFO L93 Difference]: Finished difference Result 636 states and 885 transitions. [2022-02-20 16:07:44,814 INFO L276 IsEmpty]: Start isEmpty. Operand 636 states and 885 transitions. [2022-02-20 16:07:44,815 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 16:07:44,815 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 16:07:44,815 INFO L74 IsIncluded]: Start isIncluded. First operand has 628 states, 627 states have (on average 1.405103668261563) internal successors, (881), 627 states have internal predecessors, (881), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 636 states. [2022-02-20 16:07:44,816 INFO L87 Difference]: Start difference. First operand has 628 states, 627 states have (on average 1.405103668261563) internal successors, (881), 627 states have internal predecessors, (881), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 636 states. [2022-02-20 16:07:44,826 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 16:07:44,827 INFO L93 Difference]: Finished difference Result 636 states and 885 transitions. [2022-02-20 16:07:44,827 INFO L276 IsEmpty]: Start isEmpty. Operand 636 states and 885 transitions. [2022-02-20 16:07:44,827 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 16:07:44,827 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 16:07:44,827 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 16:07:44,827 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 16:07:44,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 628 states, 627 states have (on average 1.405103668261563) internal successors, (881), 627 states have internal predecessors, (881), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:07:44,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 628 states to 628 states and 881 transitions. [2022-02-20 16:07:44,839 INFO L78 Accepts]: Start accepts. Automaton has 628 states and 881 transitions. Word has length 63 [2022-02-20 16:07:44,839 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 16:07:44,839 INFO L470 AbstractCegarLoop]: Abstraction has 628 states and 881 transitions. [2022-02-20 16:07:44,839 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 9.5) internal successors, (114), 12 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:07:44,840 INFO L276 IsEmpty]: Start isEmpty. Operand 628 states and 881 transitions. [2022-02-20 16:07:44,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-02-20 16:07:44,840 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 16:07:44,840 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 7, 5, 5, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 16:07:44,871 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2022-02-20 16:07:45,055 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2022-02-20 16:07:45,056 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-20 16:07:45,056 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 16:07:45,056 INFO L85 PathProgramCache]: Analyzing trace with hash -112559507, now seen corresponding path program 1 times [2022-02-20 16:07:45,056 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 16:07:45,057 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [152001494] [2022-02-20 16:07:45,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 16:07:45,057 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 16:07:45,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 16:07:45,310 INFO L290 TraceCheckUtils]: 0: Hoare triple {27356#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(16, 2);call #Ultimate.allocInit(12, 3);~m_Protocol~0 := 1;~m_msg_2~0 := 2;~m_recv_ack_2~0 := 3;~m_msg_1_1~0 := 4;~m_msg_1_2~0 := 5;~m_recv_ack_1_1~0 := 6;~m_recv_ack_1_2~0 := 7; {27356#true} is VALID [2022-02-20 16:07:45,310 INFO L290 TraceCheckUtils]: 1: Hoare triple {27356#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~nondet5#1, main_#t~nondet6#1, main_#t~nondet7#1, main_#t~nondet8#1, main_#t~nondet9#1, main_#t~nondet10#1, main_#t~nondet11#1, main_#t~nondet12#1, main_#t~nondet13#1, main_#t~nondet14#1, main_#t~nondet15#1, main_#t~nondet16#1, main_#t~nondet17#1, main_#t~nondet18#1, main_#t~nondet19#1, main_#t~nondet20#1, main_#t~nondet21#1, main_#t~nondet22#1, main_#t~nondet23#1, main_#t~nondet24#1, main_#t~nondet25#1, main_#t~nondet26#1, main_#t~nondet27#1, main_#t~nondet28#1, main_#t~nondet29#1, main_#t~nondet30#1, main_#t~nondet31#1, main_#t~nondet32#1, main_#t~nondet33#1, main_#t~nondet34#1, main_#t~nondet35#1, main_#t~nondet36#1, main_#t~nondet37#1, main_#t~nondet38#1, main_#t~nondet39#1, main_#t~nondet40#1, main_#t~nondet41#1, main_#t~nondet42#1, main_#t~nondet43#1, main_~P1~0#1, main_~P2~0#1, main_~P3~0#1, main_~P4~0#1, main_~P5~0#1, main_~P6~0#1, main_~P7~0#1, main_~P8~0#1, main_~P9~0#1, main_~q~0#1, main_~method_id~0#1, main_~this_expect~0#1, main_~this_buffer_empty~0#1;main_~q~0#1 := 0;havoc main_~method_id~0#1;main_~this_expect~0#1 := 0;main_~this_buffer_empty~0#1 := 0; {27356#true} is VALID [2022-02-20 16:07:45,310 INFO L290 TraceCheckUtils]: 2: Hoare triple {27356#true} goto; {27356#true} is VALID [2022-02-20 16:07:45,310 INFO L290 TraceCheckUtils]: 3: Hoare triple {27356#true} assume !false;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_~P1~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647;main_~P2~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647;main_~P3~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;assume -2147483648 <= main_#t~nondet7#1 && main_#t~nondet7#1 <= 2147483647;main_~P4~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;assume -2147483648 <= main_#t~nondet8#1 && main_#t~nondet8#1 <= 2147483647;main_~P5~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647;main_~P6~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1;assume -2147483648 <= main_#t~nondet10#1 && main_#t~nondet10#1 <= 2147483647;main_~P7~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;assume -2147483648 <= main_#t~nondet11#1 && main_#t~nondet11#1 <= 2147483647;main_~P8~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;assume -2147483648 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 2147483647;main_~P9~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; {27356#true} is VALID [2022-02-20 16:07:45,311 INFO L290 TraceCheckUtils]: 4: Hoare triple {27356#true} assume !(main_~this_expect~0#1 > 16); {27356#true} is VALID [2022-02-20 16:07:45,311 INFO L290 TraceCheckUtils]: 5: Hoare triple {27356#true} assume 0 == main_~q~0#1;assume -2147483648 <= main_#t~nondet13#1 && main_#t~nondet13#1 <= 2147483647; {27356#true} is VALID [2022-02-20 16:07:45,311 INFO L290 TraceCheckUtils]: 6: Hoare triple {27356#true} assume 0 != main_#t~nondet13#1;havoc main_#t~nondet13#1; {27356#true} is VALID [2022-02-20 16:07:45,311 INFO L290 TraceCheckUtils]: 7: Hoare triple {27356#true} main_~method_id~0#1 := 1; {27356#true} is VALID [2022-02-20 16:07:45,311 INFO L290 TraceCheckUtils]: 8: Hoare triple {27356#true} assume !false;main_~q~0#1 := 1;main_~this_expect~0#1 := 0;main_~this_buffer_empty~0#1 := 1; {27358#(= |ULTIMATE.start_main_~this_expect~0#1| 0)} is VALID [2022-02-20 16:07:45,311 INFO L290 TraceCheckUtils]: 9: Hoare triple {27358#(= |ULTIMATE.start_main_~this_expect~0#1| 0)} assume !false;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_~P1~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647;main_~P2~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647;main_~P3~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;assume -2147483648 <= main_#t~nondet7#1 && main_#t~nondet7#1 <= 2147483647;main_~P4~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;assume -2147483648 <= main_#t~nondet8#1 && main_#t~nondet8#1 <= 2147483647;main_~P5~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647;main_~P6~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1;assume -2147483648 <= main_#t~nondet10#1 && main_#t~nondet10#1 <= 2147483647;main_~P7~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;assume -2147483648 <= main_#t~nondet11#1 && main_#t~nondet11#1 <= 2147483647;main_~P8~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;assume -2147483648 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 2147483647;main_~P9~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; {27358#(= |ULTIMATE.start_main_~this_expect~0#1| 0)} is VALID [2022-02-20 16:07:45,312 INFO L290 TraceCheckUtils]: 10: Hoare triple {27358#(= |ULTIMATE.start_main_~this_expect~0#1| 0)} assume !(main_~this_expect~0#1 > 16); {27358#(= |ULTIMATE.start_main_~this_expect~0#1| 0)} is VALID [2022-02-20 16:07:45,312 INFO L290 TraceCheckUtils]: 11: Hoare triple {27358#(= |ULTIMATE.start_main_~this_expect~0#1| 0)} assume !(0 == main_~q~0#1); {27358#(= |ULTIMATE.start_main_~this_expect~0#1| 0)} is VALID [2022-02-20 16:07:45,312 INFO L290 TraceCheckUtils]: 12: Hoare triple {27358#(= |ULTIMATE.start_main_~this_expect~0#1| 0)} assume 1 == main_~q~0#1;assume -2147483648 <= main_#t~nondet14#1 && main_#t~nondet14#1 <= 2147483647; {27358#(= |ULTIMATE.start_main_~this_expect~0#1| 0)} is VALID [2022-02-20 16:07:45,313 INFO L290 TraceCheckUtils]: 13: Hoare triple {27358#(= |ULTIMATE.start_main_~this_expect~0#1| 0)} assume 0 != main_#t~nondet14#1;havoc main_#t~nondet14#1; {27358#(= |ULTIMATE.start_main_~this_expect~0#1| 0)} is VALID [2022-02-20 16:07:45,313 INFO L290 TraceCheckUtils]: 14: Hoare triple {27358#(= |ULTIMATE.start_main_~this_expect~0#1| 0)} assume !(0 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2));main_~method_id~0#1 := 2; {27358#(= |ULTIMATE.start_main_~this_expect~0#1| 0)} is VALID [2022-02-20 16:07:45,314 INFO L290 TraceCheckUtils]: 15: Hoare triple {27358#(= |ULTIMATE.start_main_~this_expect~0#1| 0)} assume !((((if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2) != (if main_~this_expect~0#1 < 0 && 0 != main_~this_expect~0#1 % 2 then main_~this_expect~0#1 % 2 - 2 else main_~this_expect~0#1 % 2) && 1 == main_~this_buffer_empty~0#1) && !(0 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2))) || (1 != main_~this_buffer_empty~0#1 && !(0 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2))));main_~q~0#1 := 3;main_~this_expect~0#1 := 1 + main_~this_expect~0#1;main_~this_buffer_empty~0#1 := 1 - main_~this_buffer_empty~0#1; {27359#(and (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_expect~0#1| 1))} is VALID [2022-02-20 16:07:45,314 INFO L290 TraceCheckUtils]: 16: Hoare triple {27359#(and (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_expect~0#1| 1))} assume !false;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_~P1~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647;main_~P2~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647;main_~P3~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;assume -2147483648 <= main_#t~nondet7#1 && main_#t~nondet7#1 <= 2147483647;main_~P4~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;assume -2147483648 <= main_#t~nondet8#1 && main_#t~nondet8#1 <= 2147483647;main_~P5~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647;main_~P6~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1;assume -2147483648 <= main_#t~nondet10#1 && main_#t~nondet10#1 <= 2147483647;main_~P7~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;assume -2147483648 <= main_#t~nondet11#1 && main_#t~nondet11#1 <= 2147483647;main_~P8~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;assume -2147483648 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 2147483647;main_~P9~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; {27359#(and (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_expect~0#1| 1))} is VALID [2022-02-20 16:07:45,315 INFO L290 TraceCheckUtils]: 17: Hoare triple {27359#(and (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_expect~0#1| 1))} assume !(main_~this_expect~0#1 > 16); {27359#(and (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_expect~0#1| 1))} is VALID [2022-02-20 16:07:45,315 INFO L290 TraceCheckUtils]: 18: Hoare triple {27359#(and (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_expect~0#1| 1))} assume !(0 == main_~q~0#1); {27359#(and (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_expect~0#1| 1))} is VALID [2022-02-20 16:07:45,315 INFO L290 TraceCheckUtils]: 19: Hoare triple {27359#(and (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_expect~0#1| 1))} assume !(1 == main_~q~0#1); {27359#(and (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_expect~0#1| 1))} is VALID [2022-02-20 16:07:45,316 INFO L290 TraceCheckUtils]: 20: Hoare triple {27359#(and (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_expect~0#1| 1))} assume !(2 == main_~q~0#1); {27359#(and (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_expect~0#1| 1))} is VALID [2022-02-20 16:07:45,316 INFO L290 TraceCheckUtils]: 21: Hoare triple {27359#(and (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_expect~0#1| 1))} assume 3 == main_~q~0#1;assume -2147483648 <= main_#t~nondet26#1 && main_#t~nondet26#1 <= 2147483647; {27359#(and (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_expect~0#1| 1))} is VALID [2022-02-20 16:07:45,317 INFO L290 TraceCheckUtils]: 22: Hoare triple {27359#(and (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_expect~0#1| 1))} assume !(0 != main_#t~nondet26#1);havoc main_#t~nondet26#1;assume -2147483648 <= main_#t~nondet27#1 && main_#t~nondet27#1 <= 2147483647; {27359#(and (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_expect~0#1| 1))} is VALID [2022-02-20 16:07:45,317 INFO L290 TraceCheckUtils]: 23: Hoare triple {27359#(and (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_expect~0#1| 1))} assume 0 != main_#t~nondet27#1;havoc main_#t~nondet27#1; {27359#(and (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_expect~0#1| 1))} is VALID [2022-02-20 16:07:45,317 INFO L290 TraceCheckUtils]: 24: Hoare triple {27359#(and (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_expect~0#1| 1))} assume !(0 != main_~P1~0#1);main_~method_id~0#1 := 3; {27359#(and (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_expect~0#1| 1))} is VALID [2022-02-20 16:07:45,318 INFO L290 TraceCheckUtils]: 25: Hoare triple {27359#(and (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_expect~0#1| 1))} assume !((1 == main_~this_buffer_empty~0#1 && !(0 != main_~P3~0#1)) || ((main_~P3~0#1 != (if main_~this_expect~0#1 - 1 < 0 && 0 != (main_~this_expect~0#1 - 1) % 2 then (main_~this_expect~0#1 - 1) % 2 - 2 else (main_~this_expect~0#1 - 1) % 2) && 1 != main_~this_buffer_empty~0#1) && !(0 != main_~P3~0#1)));main_~q~0#1 := 4;main_~this_expect~0#1 := main_~this_expect~0#1;main_~this_buffer_empty~0#1 := 1 - main_~this_buffer_empty~0#1; {27359#(and (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_expect~0#1| 1))} is VALID [2022-02-20 16:07:45,318 INFO L290 TraceCheckUtils]: 26: Hoare triple {27359#(and (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_expect~0#1| 1))} assume !false;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_~P1~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647;main_~P2~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647;main_~P3~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;assume -2147483648 <= main_#t~nondet7#1 && main_#t~nondet7#1 <= 2147483647;main_~P4~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;assume -2147483648 <= main_#t~nondet8#1 && main_#t~nondet8#1 <= 2147483647;main_~P5~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647;main_~P6~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1;assume -2147483648 <= main_#t~nondet10#1 && main_#t~nondet10#1 <= 2147483647;main_~P7~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;assume -2147483648 <= main_#t~nondet11#1 && main_#t~nondet11#1 <= 2147483647;main_~P8~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;assume -2147483648 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 2147483647;main_~P9~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; {27359#(and (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_expect~0#1| 1))} is VALID [2022-02-20 16:07:45,319 INFO L290 TraceCheckUtils]: 27: Hoare triple {27359#(and (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_expect~0#1| 1))} assume !(main_~this_expect~0#1 > 16); {27359#(and (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_expect~0#1| 1))} is VALID [2022-02-20 16:07:45,319 INFO L290 TraceCheckUtils]: 28: Hoare triple {27359#(and (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_expect~0#1| 1))} assume !(0 == main_~q~0#1); {27359#(and (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_expect~0#1| 1))} is VALID [2022-02-20 16:07:45,320 INFO L290 TraceCheckUtils]: 29: Hoare triple {27359#(and (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_expect~0#1| 1))} assume !(1 == main_~q~0#1); {27359#(and (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_expect~0#1| 1))} is VALID [2022-02-20 16:07:45,320 INFO L290 TraceCheckUtils]: 30: Hoare triple {27359#(and (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_expect~0#1| 1))} assume !(2 == main_~q~0#1); {27359#(and (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_expect~0#1| 1))} is VALID [2022-02-20 16:07:45,320 INFO L290 TraceCheckUtils]: 31: Hoare triple {27359#(and (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_expect~0#1| 1))} assume !(3 == main_~q~0#1); {27359#(and (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_expect~0#1| 1))} is VALID [2022-02-20 16:07:45,321 INFO L290 TraceCheckUtils]: 32: Hoare triple {27359#(and (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_expect~0#1| 1))} assume 4 == main_~q~0#1;assume -2147483648 <= main_#t~nondet32#1 && main_#t~nondet32#1 <= 2147483647; {27359#(and (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_expect~0#1| 1))} is VALID [2022-02-20 16:07:45,321 INFO L290 TraceCheckUtils]: 33: Hoare triple {27359#(and (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_expect~0#1| 1))} assume !(0 != main_#t~nondet32#1);havoc main_#t~nondet32#1;assume -2147483648 <= main_#t~nondet33#1 && main_#t~nondet33#1 <= 2147483647; {27359#(and (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_expect~0#1| 1))} is VALID [2022-02-20 16:07:45,322 INFO L290 TraceCheckUtils]: 34: Hoare triple {27359#(and (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_expect~0#1| 1))} assume !(0 != main_#t~nondet33#1);havoc main_#t~nondet33#1;assume -2147483648 <= main_#t~nondet34#1 && main_#t~nondet34#1 <= 2147483647; {27359#(and (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_expect~0#1| 1))} is VALID [2022-02-20 16:07:45,322 INFO L290 TraceCheckUtils]: 35: Hoare triple {27359#(and (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_expect~0#1| 1))} assume !(0 != main_#t~nondet34#1);havoc main_#t~nondet34#1;assume -2147483648 <= main_#t~nondet35#1 && main_#t~nondet35#1 <= 2147483647; {27359#(and (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_expect~0#1| 1))} is VALID [2022-02-20 16:07:45,322 INFO L290 TraceCheckUtils]: 36: Hoare triple {27359#(and (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_expect~0#1| 1))} assume 0 != main_#t~nondet35#1;havoc main_#t~nondet35#1; {27359#(and (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_expect~0#1| 1))} is VALID [2022-02-20 16:07:45,323 INFO L290 TraceCheckUtils]: 37: Hoare triple {27359#(and (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_expect~0#1| 1))} assume 0 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2) && !(1 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2) && 0 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2));main_~method_id~0#1 := 5; {27359#(and (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_expect~0#1| 1))} is VALID [2022-02-20 16:07:45,324 INFO L290 TraceCheckUtils]: 38: Hoare triple {27359#(and (<= 1 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_expect~0#1| 1))} assume !(((((if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2) != (if main_~this_expect~0#1 < 0 && 0 != main_~this_expect~0#1 % 2 then main_~this_expect~0#1 % 2 - 2 else main_~this_expect~0#1 % 2) && 1 == main_~this_buffer_empty~0#1) && 0 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2)) && 0 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2) && !(1 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2) && 0 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2))) || ((1 != main_~this_buffer_empty~0#1 && 0 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2)) && 0 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2) && !(1 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2) && 0 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2))));main_~q~0#1 := 5;main_~this_expect~0#1 := 1 + main_~this_expect~0#1;main_~this_buffer_empty~0#1 := 1 - main_~this_buffer_empty~0#1; {27360#(and (<= |ULTIMATE.start_main_~this_expect~0#1| 2) (<= 2 |ULTIMATE.start_main_~this_expect~0#1|))} is VALID [2022-02-20 16:07:45,324 INFO L290 TraceCheckUtils]: 39: Hoare triple {27360#(and (<= |ULTIMATE.start_main_~this_expect~0#1| 2) (<= 2 |ULTIMATE.start_main_~this_expect~0#1|))} assume !false;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_~P1~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647;main_~P2~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647;main_~P3~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;assume -2147483648 <= main_#t~nondet7#1 && main_#t~nondet7#1 <= 2147483647;main_~P4~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;assume -2147483648 <= main_#t~nondet8#1 && main_#t~nondet8#1 <= 2147483647;main_~P5~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647;main_~P6~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1;assume -2147483648 <= main_#t~nondet10#1 && main_#t~nondet10#1 <= 2147483647;main_~P7~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;assume -2147483648 <= main_#t~nondet11#1 && main_#t~nondet11#1 <= 2147483647;main_~P8~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;assume -2147483648 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 2147483647;main_~P9~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; {27360#(and (<= |ULTIMATE.start_main_~this_expect~0#1| 2) (<= 2 |ULTIMATE.start_main_~this_expect~0#1|))} is VALID [2022-02-20 16:07:45,325 INFO L290 TraceCheckUtils]: 40: Hoare triple {27360#(and (<= |ULTIMATE.start_main_~this_expect~0#1| 2) (<= 2 |ULTIMATE.start_main_~this_expect~0#1|))} assume !(main_~this_expect~0#1 > 16); {27360#(and (<= |ULTIMATE.start_main_~this_expect~0#1| 2) (<= 2 |ULTIMATE.start_main_~this_expect~0#1|))} is VALID [2022-02-20 16:07:45,325 INFO L290 TraceCheckUtils]: 41: Hoare triple {27360#(and (<= |ULTIMATE.start_main_~this_expect~0#1| 2) (<= 2 |ULTIMATE.start_main_~this_expect~0#1|))} assume !(0 == main_~q~0#1); {27360#(and (<= |ULTIMATE.start_main_~this_expect~0#1| 2) (<= 2 |ULTIMATE.start_main_~this_expect~0#1|))} is VALID [2022-02-20 16:07:45,325 INFO L290 TraceCheckUtils]: 42: Hoare triple {27360#(and (<= |ULTIMATE.start_main_~this_expect~0#1| 2) (<= 2 |ULTIMATE.start_main_~this_expect~0#1|))} assume !(1 == main_~q~0#1); {27360#(and (<= |ULTIMATE.start_main_~this_expect~0#1| 2) (<= 2 |ULTIMATE.start_main_~this_expect~0#1|))} is VALID [2022-02-20 16:07:45,326 INFO L290 TraceCheckUtils]: 43: Hoare triple {27360#(and (<= |ULTIMATE.start_main_~this_expect~0#1| 2) (<= 2 |ULTIMATE.start_main_~this_expect~0#1|))} assume !(2 == main_~q~0#1); {27360#(and (<= |ULTIMATE.start_main_~this_expect~0#1| 2) (<= 2 |ULTIMATE.start_main_~this_expect~0#1|))} is VALID [2022-02-20 16:07:45,326 INFO L290 TraceCheckUtils]: 44: Hoare triple {27360#(and (<= |ULTIMATE.start_main_~this_expect~0#1| 2) (<= 2 |ULTIMATE.start_main_~this_expect~0#1|))} assume !(3 == main_~q~0#1); {27360#(and (<= |ULTIMATE.start_main_~this_expect~0#1| 2) (<= 2 |ULTIMATE.start_main_~this_expect~0#1|))} is VALID [2022-02-20 16:07:45,326 INFO L290 TraceCheckUtils]: 45: Hoare triple {27360#(and (<= |ULTIMATE.start_main_~this_expect~0#1| 2) (<= 2 |ULTIMATE.start_main_~this_expect~0#1|))} assume !(4 == main_~q~0#1); {27360#(and (<= |ULTIMATE.start_main_~this_expect~0#1| 2) (<= 2 |ULTIMATE.start_main_~this_expect~0#1|))} is VALID [2022-02-20 16:07:45,327 INFO L290 TraceCheckUtils]: 46: Hoare triple {27360#(and (<= |ULTIMATE.start_main_~this_expect~0#1| 2) (<= 2 |ULTIMATE.start_main_~this_expect~0#1|))} assume 5 == main_~q~0#1;assume -2147483648 <= main_#t~nondet38#1 && main_#t~nondet38#1 <= 2147483647; {27360#(and (<= |ULTIMATE.start_main_~this_expect~0#1| 2) (<= 2 |ULTIMATE.start_main_~this_expect~0#1|))} is VALID [2022-02-20 16:07:45,327 INFO L290 TraceCheckUtils]: 47: Hoare triple {27360#(and (<= |ULTIMATE.start_main_~this_expect~0#1| 2) (<= 2 |ULTIMATE.start_main_~this_expect~0#1|))} assume !(0 != main_#t~nondet38#1);havoc main_#t~nondet38#1;assume -2147483648 <= main_#t~nondet39#1 && main_#t~nondet39#1 <= 2147483647; {27360#(and (<= |ULTIMATE.start_main_~this_expect~0#1| 2) (<= 2 |ULTIMATE.start_main_~this_expect~0#1|))} is VALID [2022-02-20 16:07:45,328 INFO L290 TraceCheckUtils]: 48: Hoare triple {27360#(and (<= |ULTIMATE.start_main_~this_expect~0#1| 2) (<= 2 |ULTIMATE.start_main_~this_expect~0#1|))} assume !(0 != main_#t~nondet39#1);havoc main_#t~nondet39#1;assume -2147483648 <= main_#t~nondet40#1 && main_#t~nondet40#1 <= 2147483647; {27360#(and (<= |ULTIMATE.start_main_~this_expect~0#1| 2) (<= 2 |ULTIMATE.start_main_~this_expect~0#1|))} is VALID [2022-02-20 16:07:45,328 INFO L290 TraceCheckUtils]: 49: Hoare triple {27360#(and (<= |ULTIMATE.start_main_~this_expect~0#1| 2) (<= 2 |ULTIMATE.start_main_~this_expect~0#1|))} assume !(0 != main_#t~nondet40#1);havoc main_#t~nondet40#1;assume -2147483648 <= main_#t~nondet41#1 && main_#t~nondet41#1 <= 2147483647; {27360#(and (<= |ULTIMATE.start_main_~this_expect~0#1| 2) (<= 2 |ULTIMATE.start_main_~this_expect~0#1|))} is VALID [2022-02-20 16:07:45,328 INFO L290 TraceCheckUtils]: 50: Hoare triple {27360#(and (<= |ULTIMATE.start_main_~this_expect~0#1| 2) (<= 2 |ULTIMATE.start_main_~this_expect~0#1|))} assume !(0 != main_#t~nondet41#1);havoc main_#t~nondet41#1;assume -2147483648 <= main_#t~nondet42#1 && main_#t~nondet42#1 <= 2147483647; {27360#(and (<= |ULTIMATE.start_main_~this_expect~0#1| 2) (<= 2 |ULTIMATE.start_main_~this_expect~0#1|))} is VALID [2022-02-20 16:07:45,329 INFO L290 TraceCheckUtils]: 51: Hoare triple {27360#(and (<= |ULTIMATE.start_main_~this_expect~0#1| 2) (<= 2 |ULTIMATE.start_main_~this_expect~0#1|))} assume !(0 != main_#t~nondet42#1);havoc main_#t~nondet42#1;assume -2147483648 <= main_#t~nondet43#1 && main_#t~nondet43#1 <= 2147483647; {27360#(and (<= |ULTIMATE.start_main_~this_expect~0#1| 2) (<= 2 |ULTIMATE.start_main_~this_expect~0#1|))} is VALID [2022-02-20 16:07:45,329 INFO L290 TraceCheckUtils]: 52: Hoare triple {27360#(and (<= |ULTIMATE.start_main_~this_expect~0#1| 2) (<= 2 |ULTIMATE.start_main_~this_expect~0#1|))} assume 0 != main_#t~nondet43#1;havoc main_#t~nondet43#1; {27360#(and (<= |ULTIMATE.start_main_~this_expect~0#1| 2) (<= 2 |ULTIMATE.start_main_~this_expect~0#1|))} is VALID [2022-02-20 16:07:45,330 INFO L290 TraceCheckUtils]: 53: Hoare triple {27360#(and (<= |ULTIMATE.start_main_~this_expect~0#1| 2) (<= 2 |ULTIMATE.start_main_~this_expect~0#1|))} assume 0 != main_~P1~0#1 && !(1 != main_~P1~0#1 && 0 != main_~P1~0#1);main_~method_id~0#1 := 7; {27360#(and (<= |ULTIMATE.start_main_~this_expect~0#1| 2) (<= 2 |ULTIMATE.start_main_~this_expect~0#1|))} is VALID [2022-02-20 16:07:45,330 INFO L290 TraceCheckUtils]: 54: Hoare triple {27360#(and (<= |ULTIMATE.start_main_~this_expect~0#1| 2) (<= 2 |ULTIMATE.start_main_~this_expect~0#1|))} assume !(((1 == main_~this_buffer_empty~0#1 && 0 != main_~P9~0#1) && 0 != main_~P9~0#1 && !(1 != main_~P9~0#1 && 0 != main_~P9~0#1)) || (((main_~P9~0#1 != (if main_~this_expect~0#1 - 1 < 0 && 0 != (main_~this_expect~0#1 - 1) % 2 then (main_~this_expect~0#1 - 1) % 2 - 2 else (main_~this_expect~0#1 - 1) % 2) && 1 != main_~this_buffer_empty~0#1) && 0 != main_~P9~0#1) && 0 != main_~P9~0#1 && !(1 != main_~P9~0#1 && 0 != main_~P9~0#1)));main_~q~0#1 := 1;main_~this_expect~0#1 := main_~this_expect~0#1;main_~this_buffer_empty~0#1 := 1 - main_~this_buffer_empty~0#1; {27360#(and (<= |ULTIMATE.start_main_~this_expect~0#1| 2) (<= 2 |ULTIMATE.start_main_~this_expect~0#1|))} is VALID [2022-02-20 16:07:45,331 INFO L290 TraceCheckUtils]: 55: Hoare triple {27360#(and (<= |ULTIMATE.start_main_~this_expect~0#1| 2) (<= 2 |ULTIMATE.start_main_~this_expect~0#1|))} assume !false;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_~P1~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647;main_~P2~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647;main_~P3~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;assume -2147483648 <= main_#t~nondet7#1 && main_#t~nondet7#1 <= 2147483647;main_~P4~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;assume -2147483648 <= main_#t~nondet8#1 && main_#t~nondet8#1 <= 2147483647;main_~P5~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647;main_~P6~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1;assume -2147483648 <= main_#t~nondet10#1 && main_#t~nondet10#1 <= 2147483647;main_~P7~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;assume -2147483648 <= main_#t~nondet11#1 && main_#t~nondet11#1 <= 2147483647;main_~P8~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;assume -2147483648 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 2147483647;main_~P9~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; {27360#(and (<= |ULTIMATE.start_main_~this_expect~0#1| 2) (<= 2 |ULTIMATE.start_main_~this_expect~0#1|))} is VALID [2022-02-20 16:07:45,331 INFO L290 TraceCheckUtils]: 56: Hoare triple {27360#(and (<= |ULTIMATE.start_main_~this_expect~0#1| 2) (<= 2 |ULTIMATE.start_main_~this_expect~0#1|))} assume !(main_~this_expect~0#1 > 16); {27360#(and (<= |ULTIMATE.start_main_~this_expect~0#1| 2) (<= 2 |ULTIMATE.start_main_~this_expect~0#1|))} is VALID [2022-02-20 16:07:45,331 INFO L290 TraceCheckUtils]: 57: Hoare triple {27360#(and (<= |ULTIMATE.start_main_~this_expect~0#1| 2) (<= 2 |ULTIMATE.start_main_~this_expect~0#1|))} assume !(0 == main_~q~0#1); {27360#(and (<= |ULTIMATE.start_main_~this_expect~0#1| 2) (<= 2 |ULTIMATE.start_main_~this_expect~0#1|))} is VALID [2022-02-20 16:07:45,332 INFO L290 TraceCheckUtils]: 58: Hoare triple {27360#(and (<= |ULTIMATE.start_main_~this_expect~0#1| 2) (<= 2 |ULTIMATE.start_main_~this_expect~0#1|))} assume 1 == main_~q~0#1;assume -2147483648 <= main_#t~nondet14#1 && main_#t~nondet14#1 <= 2147483647; {27360#(and (<= |ULTIMATE.start_main_~this_expect~0#1| 2) (<= 2 |ULTIMATE.start_main_~this_expect~0#1|))} is VALID [2022-02-20 16:07:45,332 INFO L290 TraceCheckUtils]: 59: Hoare triple {27360#(and (<= |ULTIMATE.start_main_~this_expect~0#1| 2) (<= 2 |ULTIMATE.start_main_~this_expect~0#1|))} assume 0 != main_#t~nondet14#1;havoc main_#t~nondet14#1; {27360#(and (<= |ULTIMATE.start_main_~this_expect~0#1| 2) (<= 2 |ULTIMATE.start_main_~this_expect~0#1|))} is VALID [2022-02-20 16:07:45,333 INFO L290 TraceCheckUtils]: 60: Hoare triple {27360#(and (<= |ULTIMATE.start_main_~this_expect~0#1| 2) (<= 2 |ULTIMATE.start_main_~this_expect~0#1|))} assume !(0 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2));main_~method_id~0#1 := 2; {27361#(and (<= |ULTIMATE.start_main_~this_expect~0#1| 2) (<= 2 |ULTIMATE.start_main_~this_expect~0#1|) (= 0 (+ |ULTIMATE.start_main_~P1~0#1| (* (- 2) (div |ULTIMATE.start_main_~P1~0#1| 2)))))} is VALID [2022-02-20 16:07:45,333 INFO L290 TraceCheckUtils]: 61: Hoare triple {27361#(and (<= |ULTIMATE.start_main_~this_expect~0#1| 2) (<= 2 |ULTIMATE.start_main_~this_expect~0#1|) (= 0 (+ |ULTIMATE.start_main_~P1~0#1| (* (- 2) (div |ULTIMATE.start_main_~P1~0#1| 2)))))} assume !((((if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2) != (if main_~this_expect~0#1 < 0 && 0 != main_~this_expect~0#1 % 2 then main_~this_expect~0#1 % 2 - 2 else main_~this_expect~0#1 % 2) && 1 == main_~this_buffer_empty~0#1) && !(0 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2))) || (1 != main_~this_buffer_empty~0#1 && !(0 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2))));main_~q~0#1 := 3;main_~this_expect~0#1 := 1 + main_~this_expect~0#1;main_~this_buffer_empty~0#1 := 1 - main_~this_buffer_empty~0#1; {27362#(and (<= |ULTIMATE.start_main_~this_expect~0#1| 3) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (<= 3 |ULTIMATE.start_main_~this_expect~0#1|) (<= 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|))} is VALID [2022-02-20 16:07:45,334 INFO L290 TraceCheckUtils]: 62: Hoare triple {27362#(and (<= |ULTIMATE.start_main_~this_expect~0#1| 3) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (<= 3 |ULTIMATE.start_main_~this_expect~0#1|) (<= 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|))} assume !false;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_~P1~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647;main_~P2~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647;main_~P3~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;assume -2147483648 <= main_#t~nondet7#1 && main_#t~nondet7#1 <= 2147483647;main_~P4~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;assume -2147483648 <= main_#t~nondet8#1 && main_#t~nondet8#1 <= 2147483647;main_~P5~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647;main_~P6~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1;assume -2147483648 <= main_#t~nondet10#1 && main_#t~nondet10#1 <= 2147483647;main_~P7~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;assume -2147483648 <= main_#t~nondet11#1 && main_#t~nondet11#1 <= 2147483647;main_~P8~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;assume -2147483648 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 2147483647;main_~P9~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; {27362#(and (<= |ULTIMATE.start_main_~this_expect~0#1| 3) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (<= 3 |ULTIMATE.start_main_~this_expect~0#1|) (<= 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|))} is VALID [2022-02-20 16:07:45,335 INFO L290 TraceCheckUtils]: 63: Hoare triple {27362#(and (<= |ULTIMATE.start_main_~this_expect~0#1| 3) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (<= 3 |ULTIMATE.start_main_~this_expect~0#1|) (<= 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|))} assume !(main_~this_expect~0#1 > 16); {27362#(and (<= |ULTIMATE.start_main_~this_expect~0#1| 3) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (<= 3 |ULTIMATE.start_main_~this_expect~0#1|) (<= 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|))} is VALID [2022-02-20 16:07:45,335 INFO L290 TraceCheckUtils]: 64: Hoare triple {27362#(and (<= |ULTIMATE.start_main_~this_expect~0#1| 3) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (<= 3 |ULTIMATE.start_main_~this_expect~0#1|) (<= 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|))} assume !(0 == main_~q~0#1); {27362#(and (<= |ULTIMATE.start_main_~this_expect~0#1| 3) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (<= 3 |ULTIMATE.start_main_~this_expect~0#1|) (<= 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|))} is VALID [2022-02-20 16:07:45,335 INFO L290 TraceCheckUtils]: 65: Hoare triple {27362#(and (<= |ULTIMATE.start_main_~this_expect~0#1| 3) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (<= 3 |ULTIMATE.start_main_~this_expect~0#1|) (<= 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|))} assume !(1 == main_~q~0#1); {27362#(and (<= |ULTIMATE.start_main_~this_expect~0#1| 3) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (<= 3 |ULTIMATE.start_main_~this_expect~0#1|) (<= 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|))} is VALID [2022-02-20 16:07:45,336 INFO L290 TraceCheckUtils]: 66: Hoare triple {27362#(and (<= |ULTIMATE.start_main_~this_expect~0#1| 3) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (<= 3 |ULTIMATE.start_main_~this_expect~0#1|) (<= 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|))} assume !(2 == main_~q~0#1); {27362#(and (<= |ULTIMATE.start_main_~this_expect~0#1| 3) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (<= 3 |ULTIMATE.start_main_~this_expect~0#1|) (<= 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|))} is VALID [2022-02-20 16:07:45,336 INFO L290 TraceCheckUtils]: 67: Hoare triple {27362#(and (<= |ULTIMATE.start_main_~this_expect~0#1| 3) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (<= 3 |ULTIMATE.start_main_~this_expect~0#1|) (<= 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|))} assume 3 == main_~q~0#1;assume -2147483648 <= main_#t~nondet26#1 && main_#t~nondet26#1 <= 2147483647; {27362#(and (<= |ULTIMATE.start_main_~this_expect~0#1| 3) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (<= 3 |ULTIMATE.start_main_~this_expect~0#1|) (<= 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|))} is VALID [2022-02-20 16:07:45,337 INFO L290 TraceCheckUtils]: 68: Hoare triple {27362#(and (<= |ULTIMATE.start_main_~this_expect~0#1| 3) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (<= 3 |ULTIMATE.start_main_~this_expect~0#1|) (<= 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|))} assume !(0 != main_#t~nondet26#1);havoc main_#t~nondet26#1;assume -2147483648 <= main_#t~nondet27#1 && main_#t~nondet27#1 <= 2147483647; {27362#(and (<= |ULTIMATE.start_main_~this_expect~0#1| 3) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (<= 3 |ULTIMATE.start_main_~this_expect~0#1|) (<= 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|))} is VALID [2022-02-20 16:07:45,337 INFO L290 TraceCheckUtils]: 69: Hoare triple {27362#(and (<= |ULTIMATE.start_main_~this_expect~0#1| 3) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (<= 3 |ULTIMATE.start_main_~this_expect~0#1|) (<= 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|))} assume 0 != main_#t~nondet27#1;havoc main_#t~nondet27#1; {27362#(and (<= |ULTIMATE.start_main_~this_expect~0#1| 3) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (<= 3 |ULTIMATE.start_main_~this_expect~0#1|) (<= 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|))} is VALID [2022-02-20 16:07:45,337 INFO L290 TraceCheckUtils]: 70: Hoare triple {27362#(and (<= |ULTIMATE.start_main_~this_expect~0#1| 3) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (<= 3 |ULTIMATE.start_main_~this_expect~0#1|) (<= 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|))} assume !(0 != main_~P1~0#1);main_~method_id~0#1 := 3; {27362#(and (<= |ULTIMATE.start_main_~this_expect~0#1| 3) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (<= 3 |ULTIMATE.start_main_~this_expect~0#1|) (<= 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|))} is VALID [2022-02-20 16:07:45,338 INFO L290 TraceCheckUtils]: 71: Hoare triple {27362#(and (<= |ULTIMATE.start_main_~this_expect~0#1| 3) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (<= 3 |ULTIMATE.start_main_~this_expect~0#1|) (<= 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|))} assume !((1 == main_~this_buffer_empty~0#1 && !(0 != main_~P3~0#1)) || ((main_~P3~0#1 != (if main_~this_expect~0#1 - 1 < 0 && 0 != (main_~this_expect~0#1 - 1) % 2 then (main_~this_expect~0#1 - 1) % 2 - 2 else (main_~this_expect~0#1 - 1) % 2) && 1 != main_~this_buffer_empty~0#1) && !(0 != main_~P3~0#1)));main_~q~0#1 := 4;main_~this_expect~0#1 := main_~this_expect~0#1;main_~this_buffer_empty~0#1 := 1 - main_~this_buffer_empty~0#1; {27363#(and (< 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|) (<= (div |ULTIMATE.start_main_~this_expect~0#1| 2) 1) (<= 3 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} is VALID [2022-02-20 16:07:45,339 INFO L290 TraceCheckUtils]: 72: Hoare triple {27363#(and (< 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|) (<= (div |ULTIMATE.start_main_~this_expect~0#1| 2) 1) (<= 3 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} assume !false;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_~P1~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647;main_~P2~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647;main_~P3~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;assume -2147483648 <= main_#t~nondet7#1 && main_#t~nondet7#1 <= 2147483647;main_~P4~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;assume -2147483648 <= main_#t~nondet8#1 && main_#t~nondet8#1 <= 2147483647;main_~P5~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647;main_~P6~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1;assume -2147483648 <= main_#t~nondet10#1 && main_#t~nondet10#1 <= 2147483647;main_~P7~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;assume -2147483648 <= main_#t~nondet11#1 && main_#t~nondet11#1 <= 2147483647;main_~P8~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;assume -2147483648 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 2147483647;main_~P9~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; {27363#(and (< 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|) (<= (div |ULTIMATE.start_main_~this_expect~0#1| 2) 1) (<= 3 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} is VALID [2022-02-20 16:07:45,339 INFO L290 TraceCheckUtils]: 73: Hoare triple {27363#(and (< 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|) (<= (div |ULTIMATE.start_main_~this_expect~0#1| 2) 1) (<= 3 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} assume !(main_~this_expect~0#1 > 16); {27363#(and (< 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|) (<= (div |ULTIMATE.start_main_~this_expect~0#1| 2) 1) (<= 3 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} is VALID [2022-02-20 16:07:45,339 INFO L290 TraceCheckUtils]: 74: Hoare triple {27363#(and (< 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|) (<= (div |ULTIMATE.start_main_~this_expect~0#1| 2) 1) (<= 3 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} assume !(0 == main_~q~0#1); {27363#(and (< 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|) (<= (div |ULTIMATE.start_main_~this_expect~0#1| 2) 1) (<= 3 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} is VALID [2022-02-20 16:07:45,351 INFO L290 TraceCheckUtils]: 75: Hoare triple {27363#(and (< 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|) (<= (div |ULTIMATE.start_main_~this_expect~0#1| 2) 1) (<= 3 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} assume !(1 == main_~q~0#1); {27363#(and (< 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|) (<= (div |ULTIMATE.start_main_~this_expect~0#1| 2) 1) (<= 3 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} is VALID [2022-02-20 16:07:45,359 INFO L290 TraceCheckUtils]: 76: Hoare triple {27363#(and (< 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|) (<= (div |ULTIMATE.start_main_~this_expect~0#1| 2) 1) (<= 3 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} assume !(2 == main_~q~0#1); {27363#(and (< 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|) (<= (div |ULTIMATE.start_main_~this_expect~0#1| 2) 1) (<= 3 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} is VALID [2022-02-20 16:07:45,360 INFO L290 TraceCheckUtils]: 77: Hoare triple {27363#(and (< 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|) (<= (div |ULTIMATE.start_main_~this_expect~0#1| 2) 1) (<= 3 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} assume !(3 == main_~q~0#1); {27363#(and (< 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|) (<= (div |ULTIMATE.start_main_~this_expect~0#1| 2) 1) (<= 3 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} is VALID [2022-02-20 16:07:45,360 INFO L290 TraceCheckUtils]: 78: Hoare triple {27363#(and (< 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|) (<= (div |ULTIMATE.start_main_~this_expect~0#1| 2) 1) (<= 3 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} assume 4 == main_~q~0#1;assume -2147483648 <= main_#t~nondet32#1 && main_#t~nondet32#1 <= 2147483647; {27363#(and (< 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|) (<= (div |ULTIMATE.start_main_~this_expect~0#1| 2) 1) (<= 3 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} is VALID [2022-02-20 16:07:45,360 INFO L290 TraceCheckUtils]: 79: Hoare triple {27363#(and (< 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|) (<= (div |ULTIMATE.start_main_~this_expect~0#1| 2) 1) (<= 3 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} assume !(0 != main_#t~nondet32#1);havoc main_#t~nondet32#1;assume -2147483648 <= main_#t~nondet33#1 && main_#t~nondet33#1 <= 2147483647; {27363#(and (< 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|) (<= (div |ULTIMATE.start_main_~this_expect~0#1| 2) 1) (<= 3 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} is VALID [2022-02-20 16:07:45,361 INFO L290 TraceCheckUtils]: 80: Hoare triple {27363#(and (< 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|) (<= (div |ULTIMATE.start_main_~this_expect~0#1| 2) 1) (<= 3 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} assume !(0 != main_#t~nondet33#1);havoc main_#t~nondet33#1;assume -2147483648 <= main_#t~nondet34#1 && main_#t~nondet34#1 <= 2147483647; {27363#(and (< 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|) (<= (div |ULTIMATE.start_main_~this_expect~0#1| 2) 1) (<= 3 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} is VALID [2022-02-20 16:07:45,361 INFO L290 TraceCheckUtils]: 81: Hoare triple {27363#(and (< 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|) (<= (div |ULTIMATE.start_main_~this_expect~0#1| 2) 1) (<= 3 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} assume !(0 != main_#t~nondet34#1);havoc main_#t~nondet34#1;assume -2147483648 <= main_#t~nondet35#1 && main_#t~nondet35#1 <= 2147483647; {27363#(and (< 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|) (<= (div |ULTIMATE.start_main_~this_expect~0#1| 2) 1) (<= 3 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} is VALID [2022-02-20 16:07:45,362 INFO L290 TraceCheckUtils]: 82: Hoare triple {27363#(and (< 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|) (<= (div |ULTIMATE.start_main_~this_expect~0#1| 2) 1) (<= 3 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} assume 0 != main_#t~nondet35#1;havoc main_#t~nondet35#1; {27363#(and (< 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|) (<= (div |ULTIMATE.start_main_~this_expect~0#1| 2) 1) (<= 3 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} is VALID [2022-02-20 16:07:45,362 INFO L290 TraceCheckUtils]: 83: Hoare triple {27363#(and (< 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|) (<= (div |ULTIMATE.start_main_~this_expect~0#1| 2) 1) (<= 3 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} assume 0 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2) && !(1 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2) && 0 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2));main_~method_id~0#1 := 5; {27363#(and (< 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|) (<= (div |ULTIMATE.start_main_~this_expect~0#1| 2) 1) (<= 3 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} is VALID [2022-02-20 16:07:45,363 INFO L290 TraceCheckUtils]: 84: Hoare triple {27363#(and (< 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|) (<= (div |ULTIMATE.start_main_~this_expect~0#1| 2) 1) (<= 3 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} assume ((((if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2) != (if main_~this_expect~0#1 < 0 && 0 != main_~this_expect~0#1 % 2 then main_~this_expect~0#1 % 2 - 2 else main_~this_expect~0#1 % 2) && 1 == main_~this_buffer_empty~0#1) && 0 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2)) && 0 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2) && !(1 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2) && 0 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2))) || ((1 != main_~this_buffer_empty~0#1 && 0 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2)) && 0 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2) && !(1 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2) && 0 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2))); {27357#false} is VALID [2022-02-20 16:07:45,363 INFO L290 TraceCheckUtils]: 85: Hoare triple {27357#false} assume !false; {27357#false} is VALID [2022-02-20 16:07:45,363 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 21 proven. 110 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-02-20 16:07:45,363 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 16:07:45,363 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [152001494] [2022-02-20 16:07:45,364 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [152001494] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-20 16:07:45,364 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [845667492] [2022-02-20 16:07:45,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 16:07:45,364 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 16:07:45,364 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 16:07:45,384 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-20 16:07:45,427 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-02-20 16:07:45,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 16:07:45,509 INFO L263 TraceCheckSpWp]: Trace formula consists of 541 conjuncts, 29 conjunts are in the unsatisfiable core [2022-02-20 16:07:45,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 16:07:45,527 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-20 16:07:46,438 INFO L290 TraceCheckUtils]: 0: Hoare triple {27356#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(16, 2);call #Ultimate.allocInit(12, 3);~m_Protocol~0 := 1;~m_msg_2~0 := 2;~m_recv_ack_2~0 := 3;~m_msg_1_1~0 := 4;~m_msg_1_2~0 := 5;~m_recv_ack_1_1~0 := 6;~m_recv_ack_1_2~0 := 7; {27356#true} is VALID [2022-02-20 16:07:46,438 INFO L290 TraceCheckUtils]: 1: Hoare triple {27356#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~nondet5#1, main_#t~nondet6#1, main_#t~nondet7#1, main_#t~nondet8#1, main_#t~nondet9#1, main_#t~nondet10#1, main_#t~nondet11#1, main_#t~nondet12#1, main_#t~nondet13#1, main_#t~nondet14#1, main_#t~nondet15#1, main_#t~nondet16#1, main_#t~nondet17#1, main_#t~nondet18#1, main_#t~nondet19#1, main_#t~nondet20#1, main_#t~nondet21#1, main_#t~nondet22#1, main_#t~nondet23#1, main_#t~nondet24#1, main_#t~nondet25#1, main_#t~nondet26#1, main_#t~nondet27#1, main_#t~nondet28#1, main_#t~nondet29#1, main_#t~nondet30#1, main_#t~nondet31#1, main_#t~nondet32#1, main_#t~nondet33#1, main_#t~nondet34#1, main_#t~nondet35#1, main_#t~nondet36#1, main_#t~nondet37#1, main_#t~nondet38#1, main_#t~nondet39#1, main_#t~nondet40#1, main_#t~nondet41#1, main_#t~nondet42#1, main_#t~nondet43#1, main_~P1~0#1, main_~P2~0#1, main_~P3~0#1, main_~P4~0#1, main_~P5~0#1, main_~P6~0#1, main_~P7~0#1, main_~P8~0#1, main_~P9~0#1, main_~q~0#1, main_~method_id~0#1, main_~this_expect~0#1, main_~this_buffer_empty~0#1;main_~q~0#1 := 0;havoc main_~method_id~0#1;main_~this_expect~0#1 := 0;main_~this_buffer_empty~0#1 := 0; {27356#true} is VALID [2022-02-20 16:07:46,439 INFO L290 TraceCheckUtils]: 2: Hoare triple {27356#true} goto; {27356#true} is VALID [2022-02-20 16:07:46,439 INFO L290 TraceCheckUtils]: 3: Hoare triple {27356#true} assume !false;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_~P1~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647;main_~P2~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647;main_~P3~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;assume -2147483648 <= main_#t~nondet7#1 && main_#t~nondet7#1 <= 2147483647;main_~P4~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;assume -2147483648 <= main_#t~nondet8#1 && main_#t~nondet8#1 <= 2147483647;main_~P5~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647;main_~P6~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1;assume -2147483648 <= main_#t~nondet10#1 && main_#t~nondet10#1 <= 2147483647;main_~P7~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;assume -2147483648 <= main_#t~nondet11#1 && main_#t~nondet11#1 <= 2147483647;main_~P8~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;assume -2147483648 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 2147483647;main_~P9~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; {27356#true} is VALID [2022-02-20 16:07:46,439 INFO L290 TraceCheckUtils]: 4: Hoare triple {27356#true} assume !(main_~this_expect~0#1 > 16); {27356#true} is VALID [2022-02-20 16:07:46,439 INFO L290 TraceCheckUtils]: 5: Hoare triple {27356#true} assume 0 == main_~q~0#1;assume -2147483648 <= main_#t~nondet13#1 && main_#t~nondet13#1 <= 2147483647; {27356#true} is VALID [2022-02-20 16:07:46,439 INFO L290 TraceCheckUtils]: 6: Hoare triple {27356#true} assume 0 != main_#t~nondet13#1;havoc main_#t~nondet13#1; {27356#true} is VALID [2022-02-20 16:07:46,439 INFO L290 TraceCheckUtils]: 7: Hoare triple {27356#true} main_~method_id~0#1 := 1; {27356#true} is VALID [2022-02-20 16:07:46,439 INFO L290 TraceCheckUtils]: 8: Hoare triple {27356#true} assume !false;main_~q~0#1 := 1;main_~this_expect~0#1 := 0;main_~this_buffer_empty~0#1 := 1; {27391#(and (= |ULTIMATE.start_main_~this_expect~0#1| 0) (= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} is VALID [2022-02-20 16:07:46,440 INFO L290 TraceCheckUtils]: 9: Hoare triple {27391#(and (= |ULTIMATE.start_main_~this_expect~0#1| 0) (= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} assume !false;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_~P1~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647;main_~P2~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647;main_~P3~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;assume -2147483648 <= main_#t~nondet7#1 && main_#t~nondet7#1 <= 2147483647;main_~P4~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;assume -2147483648 <= main_#t~nondet8#1 && main_#t~nondet8#1 <= 2147483647;main_~P5~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647;main_~P6~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1;assume -2147483648 <= main_#t~nondet10#1 && main_#t~nondet10#1 <= 2147483647;main_~P7~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;assume -2147483648 <= main_#t~nondet11#1 && main_#t~nondet11#1 <= 2147483647;main_~P8~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;assume -2147483648 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 2147483647;main_~P9~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; {27391#(and (= |ULTIMATE.start_main_~this_expect~0#1| 0) (= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} is VALID [2022-02-20 16:07:46,440 INFO L290 TraceCheckUtils]: 10: Hoare triple {27391#(and (= |ULTIMATE.start_main_~this_expect~0#1| 0) (= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} assume !(main_~this_expect~0#1 > 16); {27391#(and (= |ULTIMATE.start_main_~this_expect~0#1| 0) (= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} is VALID [2022-02-20 16:07:46,440 INFO L290 TraceCheckUtils]: 11: Hoare triple {27391#(and (= |ULTIMATE.start_main_~this_expect~0#1| 0) (= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} assume !(0 == main_~q~0#1); {27391#(and (= |ULTIMATE.start_main_~this_expect~0#1| 0) (= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} is VALID [2022-02-20 16:07:46,441 INFO L290 TraceCheckUtils]: 12: Hoare triple {27391#(and (= |ULTIMATE.start_main_~this_expect~0#1| 0) (= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} assume 1 == main_~q~0#1;assume -2147483648 <= main_#t~nondet14#1 && main_#t~nondet14#1 <= 2147483647; {27391#(and (= |ULTIMATE.start_main_~this_expect~0#1| 0) (= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} is VALID [2022-02-20 16:07:46,441 INFO L290 TraceCheckUtils]: 13: Hoare triple {27391#(and (= |ULTIMATE.start_main_~this_expect~0#1| 0) (= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} assume 0 != main_#t~nondet14#1;havoc main_#t~nondet14#1; {27391#(and (= |ULTIMATE.start_main_~this_expect~0#1| 0) (= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} is VALID [2022-02-20 16:07:46,441 INFO L290 TraceCheckUtils]: 14: Hoare triple {27391#(and (= |ULTIMATE.start_main_~this_expect~0#1| 0) (= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} assume !(0 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2));main_~method_id~0#1 := 2; {27391#(and (= |ULTIMATE.start_main_~this_expect~0#1| 0) (= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} is VALID [2022-02-20 16:07:46,442 INFO L290 TraceCheckUtils]: 15: Hoare triple {27391#(and (= |ULTIMATE.start_main_~this_expect~0#1| 0) (= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} assume !((((if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2) != (if main_~this_expect~0#1 < 0 && 0 != main_~this_expect~0#1 % 2 then main_~this_expect~0#1 % 2 - 2 else main_~this_expect~0#1 % 2) && 1 == main_~this_buffer_empty~0#1) && !(0 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2))) || (1 != main_~this_buffer_empty~0#1 && !(0 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2))));main_~q~0#1 := 3;main_~this_expect~0#1 := 1 + main_~this_expect~0#1;main_~this_buffer_empty~0#1 := 1 - main_~this_buffer_empty~0#1; {27413#(and (= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (= |ULTIMATE.start_main_~this_expect~0#1| 1))} is VALID [2022-02-20 16:07:46,442 INFO L290 TraceCheckUtils]: 16: Hoare triple {27413#(and (= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (= |ULTIMATE.start_main_~this_expect~0#1| 1))} assume !false;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_~P1~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647;main_~P2~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647;main_~P3~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;assume -2147483648 <= main_#t~nondet7#1 && main_#t~nondet7#1 <= 2147483647;main_~P4~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;assume -2147483648 <= main_#t~nondet8#1 && main_#t~nondet8#1 <= 2147483647;main_~P5~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647;main_~P6~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1;assume -2147483648 <= main_#t~nondet10#1 && main_#t~nondet10#1 <= 2147483647;main_~P7~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;assume -2147483648 <= main_#t~nondet11#1 && main_#t~nondet11#1 <= 2147483647;main_~P8~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;assume -2147483648 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 2147483647;main_~P9~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; {27413#(and (= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (= |ULTIMATE.start_main_~this_expect~0#1| 1))} is VALID [2022-02-20 16:07:46,443 INFO L290 TraceCheckUtils]: 17: Hoare triple {27413#(and (= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (= |ULTIMATE.start_main_~this_expect~0#1| 1))} assume !(main_~this_expect~0#1 > 16); {27413#(and (= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (= |ULTIMATE.start_main_~this_expect~0#1| 1))} is VALID [2022-02-20 16:07:46,443 INFO L290 TraceCheckUtils]: 18: Hoare triple {27413#(and (= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (= |ULTIMATE.start_main_~this_expect~0#1| 1))} assume !(0 == main_~q~0#1); {27413#(and (= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (= |ULTIMATE.start_main_~this_expect~0#1| 1))} is VALID [2022-02-20 16:07:46,443 INFO L290 TraceCheckUtils]: 19: Hoare triple {27413#(and (= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (= |ULTIMATE.start_main_~this_expect~0#1| 1))} assume !(1 == main_~q~0#1); {27413#(and (= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (= |ULTIMATE.start_main_~this_expect~0#1| 1))} is VALID [2022-02-20 16:07:46,443 INFO L290 TraceCheckUtils]: 20: Hoare triple {27413#(and (= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (= |ULTIMATE.start_main_~this_expect~0#1| 1))} assume !(2 == main_~q~0#1); {27413#(and (= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (= |ULTIMATE.start_main_~this_expect~0#1| 1))} is VALID [2022-02-20 16:07:46,444 INFO L290 TraceCheckUtils]: 21: Hoare triple {27413#(and (= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (= |ULTIMATE.start_main_~this_expect~0#1| 1))} assume 3 == main_~q~0#1;assume -2147483648 <= main_#t~nondet26#1 && main_#t~nondet26#1 <= 2147483647; {27413#(and (= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (= |ULTIMATE.start_main_~this_expect~0#1| 1))} is VALID [2022-02-20 16:07:46,444 INFO L290 TraceCheckUtils]: 22: Hoare triple {27413#(and (= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (= |ULTIMATE.start_main_~this_expect~0#1| 1))} assume !(0 != main_#t~nondet26#1);havoc main_#t~nondet26#1;assume -2147483648 <= main_#t~nondet27#1 && main_#t~nondet27#1 <= 2147483647; {27413#(and (= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (= |ULTIMATE.start_main_~this_expect~0#1| 1))} is VALID [2022-02-20 16:07:46,444 INFO L290 TraceCheckUtils]: 23: Hoare triple {27413#(and (= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (= |ULTIMATE.start_main_~this_expect~0#1| 1))} assume 0 != main_#t~nondet27#1;havoc main_#t~nondet27#1; {27413#(and (= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (= |ULTIMATE.start_main_~this_expect~0#1| 1))} is VALID [2022-02-20 16:07:46,444 INFO L290 TraceCheckUtils]: 24: Hoare triple {27413#(and (= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (= |ULTIMATE.start_main_~this_expect~0#1| 1))} assume !(0 != main_~P1~0#1);main_~method_id~0#1 := 3; {27413#(and (= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (= |ULTIMATE.start_main_~this_expect~0#1| 1))} is VALID [2022-02-20 16:07:46,445 INFO L290 TraceCheckUtils]: 25: Hoare triple {27413#(and (= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (= |ULTIMATE.start_main_~this_expect~0#1| 1))} assume !((1 == main_~this_buffer_empty~0#1 && !(0 != main_~P3~0#1)) || ((main_~P3~0#1 != (if main_~this_expect~0#1 - 1 < 0 && 0 != (main_~this_expect~0#1 - 1) % 2 then (main_~this_expect~0#1 - 1) % 2 - 2 else (main_~this_expect~0#1 - 1) % 2) && 1 != main_~this_buffer_empty~0#1) && !(0 != main_~P3~0#1)));main_~q~0#1 := 4;main_~this_expect~0#1 := main_~this_expect~0#1;main_~this_buffer_empty~0#1 := 1 - main_~this_buffer_empty~0#1; {27444#(and (= |ULTIMATE.start_main_~this_expect~0#1| 1) (= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} is VALID [2022-02-20 16:07:46,445 INFO L290 TraceCheckUtils]: 26: Hoare triple {27444#(and (= |ULTIMATE.start_main_~this_expect~0#1| 1) (= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} assume !false;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_~P1~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647;main_~P2~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647;main_~P3~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;assume -2147483648 <= main_#t~nondet7#1 && main_#t~nondet7#1 <= 2147483647;main_~P4~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;assume -2147483648 <= main_#t~nondet8#1 && main_#t~nondet8#1 <= 2147483647;main_~P5~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647;main_~P6~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1;assume -2147483648 <= main_#t~nondet10#1 && main_#t~nondet10#1 <= 2147483647;main_~P7~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;assume -2147483648 <= main_#t~nondet11#1 && main_#t~nondet11#1 <= 2147483647;main_~P8~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;assume -2147483648 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 2147483647;main_~P9~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; {27444#(and (= |ULTIMATE.start_main_~this_expect~0#1| 1) (= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} is VALID [2022-02-20 16:07:46,446 INFO L290 TraceCheckUtils]: 27: Hoare triple {27444#(and (= |ULTIMATE.start_main_~this_expect~0#1| 1) (= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} assume !(main_~this_expect~0#1 > 16); {27444#(and (= |ULTIMATE.start_main_~this_expect~0#1| 1) (= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} is VALID [2022-02-20 16:07:46,446 INFO L290 TraceCheckUtils]: 28: Hoare triple {27444#(and (= |ULTIMATE.start_main_~this_expect~0#1| 1) (= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} assume !(0 == main_~q~0#1); {27444#(and (= |ULTIMATE.start_main_~this_expect~0#1| 1) (= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} is VALID [2022-02-20 16:07:46,446 INFO L290 TraceCheckUtils]: 29: Hoare triple {27444#(and (= |ULTIMATE.start_main_~this_expect~0#1| 1) (= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} assume !(1 == main_~q~0#1); {27444#(and (= |ULTIMATE.start_main_~this_expect~0#1| 1) (= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} is VALID [2022-02-20 16:07:46,446 INFO L290 TraceCheckUtils]: 30: Hoare triple {27444#(and (= |ULTIMATE.start_main_~this_expect~0#1| 1) (= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} assume !(2 == main_~q~0#1); {27444#(and (= |ULTIMATE.start_main_~this_expect~0#1| 1) (= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} is VALID [2022-02-20 16:07:46,447 INFO L290 TraceCheckUtils]: 31: Hoare triple {27444#(and (= |ULTIMATE.start_main_~this_expect~0#1| 1) (= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} assume !(3 == main_~q~0#1); {27444#(and (= |ULTIMATE.start_main_~this_expect~0#1| 1) (= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} is VALID [2022-02-20 16:07:46,447 INFO L290 TraceCheckUtils]: 32: Hoare triple {27444#(and (= |ULTIMATE.start_main_~this_expect~0#1| 1) (= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} assume 4 == main_~q~0#1;assume -2147483648 <= main_#t~nondet32#1 && main_#t~nondet32#1 <= 2147483647; {27444#(and (= |ULTIMATE.start_main_~this_expect~0#1| 1) (= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} is VALID [2022-02-20 16:07:46,447 INFO L290 TraceCheckUtils]: 33: Hoare triple {27444#(and (= |ULTIMATE.start_main_~this_expect~0#1| 1) (= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} assume !(0 != main_#t~nondet32#1);havoc main_#t~nondet32#1;assume -2147483648 <= main_#t~nondet33#1 && main_#t~nondet33#1 <= 2147483647; {27444#(and (= |ULTIMATE.start_main_~this_expect~0#1| 1) (= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} is VALID [2022-02-20 16:07:46,447 INFO L290 TraceCheckUtils]: 34: Hoare triple {27444#(and (= |ULTIMATE.start_main_~this_expect~0#1| 1) (= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} assume !(0 != main_#t~nondet33#1);havoc main_#t~nondet33#1;assume -2147483648 <= main_#t~nondet34#1 && main_#t~nondet34#1 <= 2147483647; {27444#(and (= |ULTIMATE.start_main_~this_expect~0#1| 1) (= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} is VALID [2022-02-20 16:07:46,448 INFO L290 TraceCheckUtils]: 35: Hoare triple {27444#(and (= |ULTIMATE.start_main_~this_expect~0#1| 1) (= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} assume !(0 != main_#t~nondet34#1);havoc main_#t~nondet34#1;assume -2147483648 <= main_#t~nondet35#1 && main_#t~nondet35#1 <= 2147483647; {27444#(and (= |ULTIMATE.start_main_~this_expect~0#1| 1) (= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} is VALID [2022-02-20 16:07:46,448 INFO L290 TraceCheckUtils]: 36: Hoare triple {27444#(and (= |ULTIMATE.start_main_~this_expect~0#1| 1) (= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} assume 0 != main_#t~nondet35#1;havoc main_#t~nondet35#1; {27444#(and (= |ULTIMATE.start_main_~this_expect~0#1| 1) (= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} is VALID [2022-02-20 16:07:46,448 INFO L290 TraceCheckUtils]: 37: Hoare triple {27444#(and (= |ULTIMATE.start_main_~this_expect~0#1| 1) (= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} assume 0 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2) && !(1 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2) && 0 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2));main_~method_id~0#1 := 5; {27444#(and (= |ULTIMATE.start_main_~this_expect~0#1| 1) (= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} is VALID [2022-02-20 16:07:46,449 INFO L290 TraceCheckUtils]: 38: Hoare triple {27444#(and (= |ULTIMATE.start_main_~this_expect~0#1| 1) (= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} assume !(((((if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2) != (if main_~this_expect~0#1 < 0 && 0 != main_~this_expect~0#1 % 2 then main_~this_expect~0#1 % 2 - 2 else main_~this_expect~0#1 % 2) && 1 == main_~this_buffer_empty~0#1) && 0 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2)) && 0 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2) && !(1 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2) && 0 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2))) || ((1 != main_~this_buffer_empty~0#1 && 0 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2)) && 0 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2) && !(1 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2) && 0 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2))));main_~q~0#1 := 5;main_~this_expect~0#1 := 1 + main_~this_expect~0#1;main_~this_buffer_empty~0#1 := 1 - main_~this_buffer_empty~0#1; {27484#(and (= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (= (+ (- 1) |ULTIMATE.start_main_~this_expect~0#1|) 1))} is VALID [2022-02-20 16:07:46,449 INFO L290 TraceCheckUtils]: 39: Hoare triple {27484#(and (= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (= (+ (- 1) |ULTIMATE.start_main_~this_expect~0#1|) 1))} assume !false;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_~P1~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647;main_~P2~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647;main_~P3~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;assume -2147483648 <= main_#t~nondet7#1 && main_#t~nondet7#1 <= 2147483647;main_~P4~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;assume -2147483648 <= main_#t~nondet8#1 && main_#t~nondet8#1 <= 2147483647;main_~P5~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647;main_~P6~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1;assume -2147483648 <= main_#t~nondet10#1 && main_#t~nondet10#1 <= 2147483647;main_~P7~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;assume -2147483648 <= main_#t~nondet11#1 && main_#t~nondet11#1 <= 2147483647;main_~P8~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;assume -2147483648 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 2147483647;main_~P9~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; {27484#(and (= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (= (+ (- 1) |ULTIMATE.start_main_~this_expect~0#1|) 1))} is VALID [2022-02-20 16:07:46,450 INFO L290 TraceCheckUtils]: 40: Hoare triple {27484#(and (= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (= (+ (- 1) |ULTIMATE.start_main_~this_expect~0#1|) 1))} assume !(main_~this_expect~0#1 > 16); {27484#(and (= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (= (+ (- 1) |ULTIMATE.start_main_~this_expect~0#1|) 1))} is VALID [2022-02-20 16:07:46,450 INFO L290 TraceCheckUtils]: 41: Hoare triple {27484#(and (= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (= (+ (- 1) |ULTIMATE.start_main_~this_expect~0#1|) 1))} assume !(0 == main_~q~0#1); {27484#(and (= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (= (+ (- 1) |ULTIMATE.start_main_~this_expect~0#1|) 1))} is VALID [2022-02-20 16:07:46,450 INFO L290 TraceCheckUtils]: 42: Hoare triple {27484#(and (= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (= (+ (- 1) |ULTIMATE.start_main_~this_expect~0#1|) 1))} assume !(1 == main_~q~0#1); {27484#(and (= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (= (+ (- 1) |ULTIMATE.start_main_~this_expect~0#1|) 1))} is VALID [2022-02-20 16:07:46,450 INFO L290 TraceCheckUtils]: 43: Hoare triple {27484#(and (= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (= (+ (- 1) |ULTIMATE.start_main_~this_expect~0#1|) 1))} assume !(2 == main_~q~0#1); {27484#(and (= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (= (+ (- 1) |ULTIMATE.start_main_~this_expect~0#1|) 1))} is VALID [2022-02-20 16:07:46,451 INFO L290 TraceCheckUtils]: 44: Hoare triple {27484#(and (= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (= (+ (- 1) |ULTIMATE.start_main_~this_expect~0#1|) 1))} assume !(3 == main_~q~0#1); {27484#(and (= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (= (+ (- 1) |ULTIMATE.start_main_~this_expect~0#1|) 1))} is VALID [2022-02-20 16:07:46,451 INFO L290 TraceCheckUtils]: 45: Hoare triple {27484#(and (= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (= (+ (- 1) |ULTIMATE.start_main_~this_expect~0#1|) 1))} assume !(4 == main_~q~0#1); {27484#(and (= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (= (+ (- 1) |ULTIMATE.start_main_~this_expect~0#1|) 1))} is VALID [2022-02-20 16:07:46,451 INFO L290 TraceCheckUtils]: 46: Hoare triple {27484#(and (= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (= (+ (- 1) |ULTIMATE.start_main_~this_expect~0#1|) 1))} assume 5 == main_~q~0#1;assume -2147483648 <= main_#t~nondet38#1 && main_#t~nondet38#1 <= 2147483647; {27484#(and (= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (= (+ (- 1) |ULTIMATE.start_main_~this_expect~0#1|) 1))} is VALID [2022-02-20 16:07:46,451 INFO L290 TraceCheckUtils]: 47: Hoare triple {27484#(and (= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (= (+ (- 1) |ULTIMATE.start_main_~this_expect~0#1|) 1))} assume !(0 != main_#t~nondet38#1);havoc main_#t~nondet38#1;assume -2147483648 <= main_#t~nondet39#1 && main_#t~nondet39#1 <= 2147483647; {27484#(and (= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (= (+ (- 1) |ULTIMATE.start_main_~this_expect~0#1|) 1))} is VALID [2022-02-20 16:07:46,452 INFO L290 TraceCheckUtils]: 48: Hoare triple {27484#(and (= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (= (+ (- 1) |ULTIMATE.start_main_~this_expect~0#1|) 1))} assume !(0 != main_#t~nondet39#1);havoc main_#t~nondet39#1;assume -2147483648 <= main_#t~nondet40#1 && main_#t~nondet40#1 <= 2147483647; {27484#(and (= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (= (+ (- 1) |ULTIMATE.start_main_~this_expect~0#1|) 1))} is VALID [2022-02-20 16:07:46,452 INFO L290 TraceCheckUtils]: 49: Hoare triple {27484#(and (= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (= (+ (- 1) |ULTIMATE.start_main_~this_expect~0#1|) 1))} assume !(0 != main_#t~nondet40#1);havoc main_#t~nondet40#1;assume -2147483648 <= main_#t~nondet41#1 && main_#t~nondet41#1 <= 2147483647; {27484#(and (= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (= (+ (- 1) |ULTIMATE.start_main_~this_expect~0#1|) 1))} is VALID [2022-02-20 16:07:46,452 INFO L290 TraceCheckUtils]: 50: Hoare triple {27484#(and (= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (= (+ (- 1) |ULTIMATE.start_main_~this_expect~0#1|) 1))} assume !(0 != main_#t~nondet41#1);havoc main_#t~nondet41#1;assume -2147483648 <= main_#t~nondet42#1 && main_#t~nondet42#1 <= 2147483647; {27484#(and (= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (= (+ (- 1) |ULTIMATE.start_main_~this_expect~0#1|) 1))} is VALID [2022-02-20 16:07:46,453 INFO L290 TraceCheckUtils]: 51: Hoare triple {27484#(and (= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (= (+ (- 1) |ULTIMATE.start_main_~this_expect~0#1|) 1))} assume !(0 != main_#t~nondet42#1);havoc main_#t~nondet42#1;assume -2147483648 <= main_#t~nondet43#1 && main_#t~nondet43#1 <= 2147483647; {27484#(and (= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (= (+ (- 1) |ULTIMATE.start_main_~this_expect~0#1|) 1))} is VALID [2022-02-20 16:07:46,453 INFO L290 TraceCheckUtils]: 52: Hoare triple {27484#(and (= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (= (+ (- 1) |ULTIMATE.start_main_~this_expect~0#1|) 1))} assume 0 != main_#t~nondet43#1;havoc main_#t~nondet43#1; {27484#(and (= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (= (+ (- 1) |ULTIMATE.start_main_~this_expect~0#1|) 1))} is VALID [2022-02-20 16:07:46,453 INFO L290 TraceCheckUtils]: 53: Hoare triple {27484#(and (= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (= (+ (- 1) |ULTIMATE.start_main_~this_expect~0#1|) 1))} assume 0 != main_~P1~0#1 && !(1 != main_~P1~0#1 && 0 != main_~P1~0#1);main_~method_id~0#1 := 7; {27484#(and (= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (= (+ (- 1) |ULTIMATE.start_main_~this_expect~0#1|) 1))} is VALID [2022-02-20 16:07:46,454 INFO L290 TraceCheckUtils]: 54: Hoare triple {27484#(and (= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (= (+ (- 1) |ULTIMATE.start_main_~this_expect~0#1|) 1))} assume !(((1 == main_~this_buffer_empty~0#1 && 0 != main_~P9~0#1) && 0 != main_~P9~0#1 && !(1 != main_~P9~0#1 && 0 != main_~P9~0#1)) || (((main_~P9~0#1 != (if main_~this_expect~0#1 - 1 < 0 && 0 != (main_~this_expect~0#1 - 1) % 2 then (main_~this_expect~0#1 - 1) % 2 - 2 else (main_~this_expect~0#1 - 1) % 2) && 1 != main_~this_buffer_empty~0#1) && 0 != main_~P9~0#1) && 0 != main_~P9~0#1 && !(1 != main_~P9~0#1 && 0 != main_~P9~0#1)));main_~q~0#1 := 1;main_~this_expect~0#1 := main_~this_expect~0#1;main_~this_buffer_empty~0#1 := 1 - main_~this_buffer_empty~0#1; {27533#(and (= (+ (- 1) |ULTIMATE.start_main_~this_expect~0#1|) 1) (= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} is VALID [2022-02-20 16:07:46,454 INFO L290 TraceCheckUtils]: 55: Hoare triple {27533#(and (= (+ (- 1) |ULTIMATE.start_main_~this_expect~0#1|) 1) (= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} assume !false;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_~P1~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647;main_~P2~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647;main_~P3~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;assume -2147483648 <= main_#t~nondet7#1 && main_#t~nondet7#1 <= 2147483647;main_~P4~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;assume -2147483648 <= main_#t~nondet8#1 && main_#t~nondet8#1 <= 2147483647;main_~P5~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647;main_~P6~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1;assume -2147483648 <= main_#t~nondet10#1 && main_#t~nondet10#1 <= 2147483647;main_~P7~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;assume -2147483648 <= main_#t~nondet11#1 && main_#t~nondet11#1 <= 2147483647;main_~P8~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;assume -2147483648 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 2147483647;main_~P9~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; {27533#(and (= (+ (- 1) |ULTIMATE.start_main_~this_expect~0#1|) 1) (= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} is VALID [2022-02-20 16:07:46,454 INFO L290 TraceCheckUtils]: 56: Hoare triple {27533#(and (= (+ (- 1) |ULTIMATE.start_main_~this_expect~0#1|) 1) (= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} assume !(main_~this_expect~0#1 > 16); {27533#(and (= (+ (- 1) |ULTIMATE.start_main_~this_expect~0#1|) 1) (= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} is VALID [2022-02-20 16:07:46,455 INFO L290 TraceCheckUtils]: 57: Hoare triple {27533#(and (= (+ (- 1) |ULTIMATE.start_main_~this_expect~0#1|) 1) (= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} assume !(0 == main_~q~0#1); {27533#(and (= (+ (- 1) |ULTIMATE.start_main_~this_expect~0#1|) 1) (= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} is VALID [2022-02-20 16:07:46,455 INFO L290 TraceCheckUtils]: 58: Hoare triple {27533#(and (= (+ (- 1) |ULTIMATE.start_main_~this_expect~0#1|) 1) (= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} assume 1 == main_~q~0#1;assume -2147483648 <= main_#t~nondet14#1 && main_#t~nondet14#1 <= 2147483647; {27533#(and (= (+ (- 1) |ULTIMATE.start_main_~this_expect~0#1|) 1) (= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} is VALID [2022-02-20 16:07:46,455 INFO L290 TraceCheckUtils]: 59: Hoare triple {27533#(and (= (+ (- 1) |ULTIMATE.start_main_~this_expect~0#1|) 1) (= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} assume 0 != main_#t~nondet14#1;havoc main_#t~nondet14#1; {27533#(and (= (+ (- 1) |ULTIMATE.start_main_~this_expect~0#1|) 1) (= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} is VALID [2022-02-20 16:07:46,456 INFO L290 TraceCheckUtils]: 60: Hoare triple {27533#(and (= (+ (- 1) |ULTIMATE.start_main_~this_expect~0#1|) 1) (= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} assume !(0 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2));main_~method_id~0#1 := 2; {27533#(and (= (+ (- 1) |ULTIMATE.start_main_~this_expect~0#1|) 1) (= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} is VALID [2022-02-20 16:07:46,456 INFO L290 TraceCheckUtils]: 61: Hoare triple {27533#(and (= (+ (- 1) |ULTIMATE.start_main_~this_expect~0#1|) 1) (= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} assume !((((if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2) != (if main_~this_expect~0#1 < 0 && 0 != main_~this_expect~0#1 % 2 then main_~this_expect~0#1 % 2 - 2 else main_~this_expect~0#1 % 2) && 1 == main_~this_buffer_empty~0#1) && !(0 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2))) || (1 != main_~this_buffer_empty~0#1 && !(0 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2))));main_~q~0#1 := 3;main_~this_expect~0#1 := 1 + main_~this_expect~0#1;main_~this_buffer_empty~0#1 := 1 - main_~this_buffer_empty~0#1; {27362#(and (<= |ULTIMATE.start_main_~this_expect~0#1| 3) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (<= 3 |ULTIMATE.start_main_~this_expect~0#1|) (<= 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|))} is VALID [2022-02-20 16:07:46,457 INFO L290 TraceCheckUtils]: 62: Hoare triple {27362#(and (<= |ULTIMATE.start_main_~this_expect~0#1| 3) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (<= 3 |ULTIMATE.start_main_~this_expect~0#1|) (<= 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|))} assume !false;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_~P1~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647;main_~P2~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647;main_~P3~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;assume -2147483648 <= main_#t~nondet7#1 && main_#t~nondet7#1 <= 2147483647;main_~P4~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;assume -2147483648 <= main_#t~nondet8#1 && main_#t~nondet8#1 <= 2147483647;main_~P5~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647;main_~P6~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1;assume -2147483648 <= main_#t~nondet10#1 && main_#t~nondet10#1 <= 2147483647;main_~P7~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;assume -2147483648 <= main_#t~nondet11#1 && main_#t~nondet11#1 <= 2147483647;main_~P8~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;assume -2147483648 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 2147483647;main_~P9~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; {27362#(and (<= |ULTIMATE.start_main_~this_expect~0#1| 3) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (<= 3 |ULTIMATE.start_main_~this_expect~0#1|) (<= 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|))} is VALID [2022-02-20 16:07:46,457 INFO L290 TraceCheckUtils]: 63: Hoare triple {27362#(and (<= |ULTIMATE.start_main_~this_expect~0#1| 3) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (<= 3 |ULTIMATE.start_main_~this_expect~0#1|) (<= 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|))} assume !(main_~this_expect~0#1 > 16); {27362#(and (<= |ULTIMATE.start_main_~this_expect~0#1| 3) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (<= 3 |ULTIMATE.start_main_~this_expect~0#1|) (<= 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|))} is VALID [2022-02-20 16:07:46,457 INFO L290 TraceCheckUtils]: 64: Hoare triple {27362#(and (<= |ULTIMATE.start_main_~this_expect~0#1| 3) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (<= 3 |ULTIMATE.start_main_~this_expect~0#1|) (<= 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|))} assume !(0 == main_~q~0#1); {27362#(and (<= |ULTIMATE.start_main_~this_expect~0#1| 3) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (<= 3 |ULTIMATE.start_main_~this_expect~0#1|) (<= 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|))} is VALID [2022-02-20 16:07:46,457 INFO L290 TraceCheckUtils]: 65: Hoare triple {27362#(and (<= |ULTIMATE.start_main_~this_expect~0#1| 3) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (<= 3 |ULTIMATE.start_main_~this_expect~0#1|) (<= 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|))} assume !(1 == main_~q~0#1); {27362#(and (<= |ULTIMATE.start_main_~this_expect~0#1| 3) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (<= 3 |ULTIMATE.start_main_~this_expect~0#1|) (<= 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|))} is VALID [2022-02-20 16:07:46,458 INFO L290 TraceCheckUtils]: 66: Hoare triple {27362#(and (<= |ULTIMATE.start_main_~this_expect~0#1| 3) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (<= 3 |ULTIMATE.start_main_~this_expect~0#1|) (<= 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|))} assume !(2 == main_~q~0#1); {27362#(and (<= |ULTIMATE.start_main_~this_expect~0#1| 3) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (<= 3 |ULTIMATE.start_main_~this_expect~0#1|) (<= 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|))} is VALID [2022-02-20 16:07:46,458 INFO L290 TraceCheckUtils]: 67: Hoare triple {27362#(and (<= |ULTIMATE.start_main_~this_expect~0#1| 3) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (<= 3 |ULTIMATE.start_main_~this_expect~0#1|) (<= 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|))} assume 3 == main_~q~0#1;assume -2147483648 <= main_#t~nondet26#1 && main_#t~nondet26#1 <= 2147483647; {27362#(and (<= |ULTIMATE.start_main_~this_expect~0#1| 3) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (<= 3 |ULTIMATE.start_main_~this_expect~0#1|) (<= 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|))} is VALID [2022-02-20 16:07:46,458 INFO L290 TraceCheckUtils]: 68: Hoare triple {27362#(and (<= |ULTIMATE.start_main_~this_expect~0#1| 3) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (<= 3 |ULTIMATE.start_main_~this_expect~0#1|) (<= 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|))} assume !(0 != main_#t~nondet26#1);havoc main_#t~nondet26#1;assume -2147483648 <= main_#t~nondet27#1 && main_#t~nondet27#1 <= 2147483647; {27362#(and (<= |ULTIMATE.start_main_~this_expect~0#1| 3) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (<= 3 |ULTIMATE.start_main_~this_expect~0#1|) (<= 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|))} is VALID [2022-02-20 16:07:46,459 INFO L290 TraceCheckUtils]: 69: Hoare triple {27362#(and (<= |ULTIMATE.start_main_~this_expect~0#1| 3) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (<= 3 |ULTIMATE.start_main_~this_expect~0#1|) (<= 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|))} assume 0 != main_#t~nondet27#1;havoc main_#t~nondet27#1; {27362#(and (<= |ULTIMATE.start_main_~this_expect~0#1| 3) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (<= 3 |ULTIMATE.start_main_~this_expect~0#1|) (<= 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|))} is VALID [2022-02-20 16:07:46,459 INFO L290 TraceCheckUtils]: 70: Hoare triple {27362#(and (<= |ULTIMATE.start_main_~this_expect~0#1| 3) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (<= 3 |ULTIMATE.start_main_~this_expect~0#1|) (<= 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|))} assume !(0 != main_~P1~0#1);main_~method_id~0#1 := 3; {27362#(and (<= |ULTIMATE.start_main_~this_expect~0#1| 3) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (<= 3 |ULTIMATE.start_main_~this_expect~0#1|) (<= 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|))} is VALID [2022-02-20 16:07:46,460 INFO L290 TraceCheckUtils]: 71: Hoare triple {27362#(and (<= |ULTIMATE.start_main_~this_expect~0#1| 3) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 0) (<= 3 |ULTIMATE.start_main_~this_expect~0#1|) (<= 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|))} assume !((1 == main_~this_buffer_empty~0#1 && !(0 != main_~P3~0#1)) || ((main_~P3~0#1 != (if main_~this_expect~0#1 - 1 < 0 && 0 != (main_~this_expect~0#1 - 1) % 2 then (main_~this_expect~0#1 - 1) % 2 - 2 else (main_~this_expect~0#1 - 1) % 2) && 1 != main_~this_buffer_empty~0#1) && !(0 != main_~P3~0#1)));main_~q~0#1 := 4;main_~this_expect~0#1 := main_~this_expect~0#1;main_~this_buffer_empty~0#1 := 1 - main_~this_buffer_empty~0#1; {27363#(and (< 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|) (<= (div |ULTIMATE.start_main_~this_expect~0#1| 2) 1) (<= 3 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} is VALID [2022-02-20 16:07:46,460 INFO L290 TraceCheckUtils]: 72: Hoare triple {27363#(and (< 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|) (<= (div |ULTIMATE.start_main_~this_expect~0#1| 2) 1) (<= 3 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} assume !false;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_~P1~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647;main_~P2~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647;main_~P3~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;assume -2147483648 <= main_#t~nondet7#1 && main_#t~nondet7#1 <= 2147483647;main_~P4~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;assume -2147483648 <= main_#t~nondet8#1 && main_#t~nondet8#1 <= 2147483647;main_~P5~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647;main_~P6~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1;assume -2147483648 <= main_#t~nondet10#1 && main_#t~nondet10#1 <= 2147483647;main_~P7~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;assume -2147483648 <= main_#t~nondet11#1 && main_#t~nondet11#1 <= 2147483647;main_~P8~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;assume -2147483648 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 2147483647;main_~P9~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; {27363#(and (< 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|) (<= (div |ULTIMATE.start_main_~this_expect~0#1| 2) 1) (<= 3 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} is VALID [2022-02-20 16:07:46,461 INFO L290 TraceCheckUtils]: 73: Hoare triple {27363#(and (< 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|) (<= (div |ULTIMATE.start_main_~this_expect~0#1| 2) 1) (<= 3 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} assume !(main_~this_expect~0#1 > 16); {27363#(and (< 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|) (<= (div |ULTIMATE.start_main_~this_expect~0#1| 2) 1) (<= 3 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} is VALID [2022-02-20 16:07:46,461 INFO L290 TraceCheckUtils]: 74: Hoare triple {27363#(and (< 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|) (<= (div |ULTIMATE.start_main_~this_expect~0#1| 2) 1) (<= 3 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} assume !(0 == main_~q~0#1); {27363#(and (< 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|) (<= (div |ULTIMATE.start_main_~this_expect~0#1| 2) 1) (<= 3 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} is VALID [2022-02-20 16:07:46,461 INFO L290 TraceCheckUtils]: 75: Hoare triple {27363#(and (< 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|) (<= (div |ULTIMATE.start_main_~this_expect~0#1| 2) 1) (<= 3 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} assume !(1 == main_~q~0#1); {27363#(and (< 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|) (<= (div |ULTIMATE.start_main_~this_expect~0#1| 2) 1) (<= 3 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} is VALID [2022-02-20 16:07:46,461 INFO L290 TraceCheckUtils]: 76: Hoare triple {27363#(and (< 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|) (<= (div |ULTIMATE.start_main_~this_expect~0#1| 2) 1) (<= 3 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} assume !(2 == main_~q~0#1); {27363#(and (< 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|) (<= (div |ULTIMATE.start_main_~this_expect~0#1| 2) 1) (<= 3 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} is VALID [2022-02-20 16:07:46,462 INFO L290 TraceCheckUtils]: 77: Hoare triple {27363#(and (< 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|) (<= (div |ULTIMATE.start_main_~this_expect~0#1| 2) 1) (<= 3 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} assume !(3 == main_~q~0#1); {27363#(and (< 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|) (<= (div |ULTIMATE.start_main_~this_expect~0#1| 2) 1) (<= 3 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} is VALID [2022-02-20 16:07:46,462 INFO L290 TraceCheckUtils]: 78: Hoare triple {27363#(and (< 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|) (<= (div |ULTIMATE.start_main_~this_expect~0#1| 2) 1) (<= 3 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} assume 4 == main_~q~0#1;assume -2147483648 <= main_#t~nondet32#1 && main_#t~nondet32#1 <= 2147483647; {27363#(and (< 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|) (<= (div |ULTIMATE.start_main_~this_expect~0#1| 2) 1) (<= 3 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} is VALID [2022-02-20 16:07:46,462 INFO L290 TraceCheckUtils]: 79: Hoare triple {27363#(and (< 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|) (<= (div |ULTIMATE.start_main_~this_expect~0#1| 2) 1) (<= 3 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} assume !(0 != main_#t~nondet32#1);havoc main_#t~nondet32#1;assume -2147483648 <= main_#t~nondet33#1 && main_#t~nondet33#1 <= 2147483647; {27363#(and (< 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|) (<= (div |ULTIMATE.start_main_~this_expect~0#1| 2) 1) (<= 3 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} is VALID [2022-02-20 16:07:46,463 INFO L290 TraceCheckUtils]: 80: Hoare triple {27363#(and (< 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|) (<= (div |ULTIMATE.start_main_~this_expect~0#1| 2) 1) (<= 3 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} assume !(0 != main_#t~nondet33#1);havoc main_#t~nondet33#1;assume -2147483648 <= main_#t~nondet34#1 && main_#t~nondet34#1 <= 2147483647; {27363#(and (< 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|) (<= (div |ULTIMATE.start_main_~this_expect~0#1| 2) 1) (<= 3 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} is VALID [2022-02-20 16:07:46,463 INFO L290 TraceCheckUtils]: 81: Hoare triple {27363#(and (< 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|) (<= (div |ULTIMATE.start_main_~this_expect~0#1| 2) 1) (<= 3 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} assume !(0 != main_#t~nondet34#1);havoc main_#t~nondet34#1;assume -2147483648 <= main_#t~nondet35#1 && main_#t~nondet35#1 <= 2147483647; {27363#(and (< 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|) (<= (div |ULTIMATE.start_main_~this_expect~0#1| 2) 1) (<= 3 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} is VALID [2022-02-20 16:07:46,463 INFO L290 TraceCheckUtils]: 82: Hoare triple {27363#(and (< 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|) (<= (div |ULTIMATE.start_main_~this_expect~0#1| 2) 1) (<= 3 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} assume 0 != main_#t~nondet35#1;havoc main_#t~nondet35#1; {27363#(and (< 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|) (<= (div |ULTIMATE.start_main_~this_expect~0#1| 2) 1) (<= 3 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} is VALID [2022-02-20 16:07:46,464 INFO L290 TraceCheckUtils]: 83: Hoare triple {27363#(and (< 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|) (<= (div |ULTIMATE.start_main_~this_expect~0#1| 2) 1) (<= 3 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} assume 0 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2) && !(1 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2) && 0 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2));main_~method_id~0#1 := 5; {27363#(and (< 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|) (<= (div |ULTIMATE.start_main_~this_expect~0#1| 2) 1) (<= 3 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} is VALID [2022-02-20 16:07:46,464 INFO L290 TraceCheckUtils]: 84: Hoare triple {27363#(and (< 0 |ULTIMATE.start_main_~this_buffer_empty~0#1|) (<= (div |ULTIMATE.start_main_~this_expect~0#1| 2) 1) (<= 3 |ULTIMATE.start_main_~this_expect~0#1|) (<= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} assume ((((if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2) != (if main_~this_expect~0#1 < 0 && 0 != main_~this_expect~0#1 % 2 then main_~this_expect~0#1 % 2 - 2 else main_~this_expect~0#1 % 2) && 1 == main_~this_buffer_empty~0#1) && 0 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2)) && 0 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2) && !(1 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2) && 0 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2))) || ((1 != main_~this_buffer_empty~0#1 && 0 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2)) && 0 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2) && !(1 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2) && 0 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2))); {27357#false} is VALID [2022-02-20 16:07:46,464 INFO L290 TraceCheckUtils]: 85: Hoare triple {27357#false} assume !false; {27357#false} is VALID [2022-02-20 16:07:46,465 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 21 proven. 120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 16:07:46,465 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-20 16:07:47,323 INFO L290 TraceCheckUtils]: 85: Hoare triple {27357#false} assume !false; {27357#false} is VALID [2022-02-20 16:07:47,323 INFO L290 TraceCheckUtils]: 84: Hoare triple {27630#(and (= (mod |ULTIMATE.start_main_~this_expect~0#1| 2) 1) (<= 0 |ULTIMATE.start_main_~this_expect~0#1|) (= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} assume ((((if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2) != (if main_~this_expect~0#1 < 0 && 0 != main_~this_expect~0#1 % 2 then main_~this_expect~0#1 % 2 - 2 else main_~this_expect~0#1 % 2) && 1 == main_~this_buffer_empty~0#1) && 0 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2)) && 0 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2) && !(1 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2) && 0 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2))) || ((1 != main_~this_buffer_empty~0#1 && 0 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2)) && 0 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2) && !(1 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2) && 0 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2))); {27357#false} is VALID [2022-02-20 16:07:47,324 INFO L290 TraceCheckUtils]: 83: Hoare triple {27630#(and (= (mod |ULTIMATE.start_main_~this_expect~0#1| 2) 1) (<= 0 |ULTIMATE.start_main_~this_expect~0#1|) (= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} assume 0 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2) && !(1 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2) && 0 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2));main_~method_id~0#1 := 5; {27630#(and (= (mod |ULTIMATE.start_main_~this_expect~0#1| 2) 1) (<= 0 |ULTIMATE.start_main_~this_expect~0#1|) (= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} is VALID [2022-02-20 16:07:47,324 INFO L290 TraceCheckUtils]: 82: Hoare triple {27630#(and (= (mod |ULTIMATE.start_main_~this_expect~0#1| 2) 1) (<= 0 |ULTIMATE.start_main_~this_expect~0#1|) (= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} assume 0 != main_#t~nondet35#1;havoc main_#t~nondet35#1; {27630#(and (= (mod |ULTIMATE.start_main_~this_expect~0#1| 2) 1) (<= 0 |ULTIMATE.start_main_~this_expect~0#1|) (= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} is VALID [2022-02-20 16:07:47,325 INFO L290 TraceCheckUtils]: 81: Hoare triple {27630#(and (= (mod |ULTIMATE.start_main_~this_expect~0#1| 2) 1) (<= 0 |ULTIMATE.start_main_~this_expect~0#1|) (= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} assume !(0 != main_#t~nondet34#1);havoc main_#t~nondet34#1;assume -2147483648 <= main_#t~nondet35#1 && main_#t~nondet35#1 <= 2147483647; {27630#(and (= (mod |ULTIMATE.start_main_~this_expect~0#1| 2) 1) (<= 0 |ULTIMATE.start_main_~this_expect~0#1|) (= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} is VALID [2022-02-20 16:07:47,325 INFO L290 TraceCheckUtils]: 80: Hoare triple {27630#(and (= (mod |ULTIMATE.start_main_~this_expect~0#1| 2) 1) (<= 0 |ULTIMATE.start_main_~this_expect~0#1|) (= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} assume !(0 != main_#t~nondet33#1);havoc main_#t~nondet33#1;assume -2147483648 <= main_#t~nondet34#1 && main_#t~nondet34#1 <= 2147483647; {27630#(and (= (mod |ULTIMATE.start_main_~this_expect~0#1| 2) 1) (<= 0 |ULTIMATE.start_main_~this_expect~0#1|) (= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} is VALID [2022-02-20 16:07:47,325 INFO L290 TraceCheckUtils]: 79: Hoare triple {27630#(and (= (mod |ULTIMATE.start_main_~this_expect~0#1| 2) 1) (<= 0 |ULTIMATE.start_main_~this_expect~0#1|) (= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} assume !(0 != main_#t~nondet32#1);havoc main_#t~nondet32#1;assume -2147483648 <= main_#t~nondet33#1 && main_#t~nondet33#1 <= 2147483647; {27630#(and (= (mod |ULTIMATE.start_main_~this_expect~0#1| 2) 1) (<= 0 |ULTIMATE.start_main_~this_expect~0#1|) (= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} is VALID [2022-02-20 16:07:47,326 INFO L290 TraceCheckUtils]: 78: Hoare triple {27630#(and (= (mod |ULTIMATE.start_main_~this_expect~0#1| 2) 1) (<= 0 |ULTIMATE.start_main_~this_expect~0#1|) (= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} assume 4 == main_~q~0#1;assume -2147483648 <= main_#t~nondet32#1 && main_#t~nondet32#1 <= 2147483647; {27630#(and (= (mod |ULTIMATE.start_main_~this_expect~0#1| 2) 1) (<= 0 |ULTIMATE.start_main_~this_expect~0#1|) (= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} is VALID [2022-02-20 16:07:47,326 INFO L290 TraceCheckUtils]: 77: Hoare triple {27630#(and (= (mod |ULTIMATE.start_main_~this_expect~0#1| 2) 1) (<= 0 |ULTIMATE.start_main_~this_expect~0#1|) (= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} assume !(3 == main_~q~0#1); {27630#(and (= (mod |ULTIMATE.start_main_~this_expect~0#1| 2) 1) (<= 0 |ULTIMATE.start_main_~this_expect~0#1|) (= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} is VALID [2022-02-20 16:07:47,326 INFO L290 TraceCheckUtils]: 76: Hoare triple {27630#(and (= (mod |ULTIMATE.start_main_~this_expect~0#1| 2) 1) (<= 0 |ULTIMATE.start_main_~this_expect~0#1|) (= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} assume !(2 == main_~q~0#1); {27630#(and (= (mod |ULTIMATE.start_main_~this_expect~0#1| 2) 1) (<= 0 |ULTIMATE.start_main_~this_expect~0#1|) (= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} is VALID [2022-02-20 16:07:47,327 INFO L290 TraceCheckUtils]: 75: Hoare triple {27630#(and (= (mod |ULTIMATE.start_main_~this_expect~0#1| 2) 1) (<= 0 |ULTIMATE.start_main_~this_expect~0#1|) (= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} assume !(1 == main_~q~0#1); {27630#(and (= (mod |ULTIMATE.start_main_~this_expect~0#1| 2) 1) (<= 0 |ULTIMATE.start_main_~this_expect~0#1|) (= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} is VALID [2022-02-20 16:07:47,327 INFO L290 TraceCheckUtils]: 74: Hoare triple {27630#(and (= (mod |ULTIMATE.start_main_~this_expect~0#1| 2) 1) (<= 0 |ULTIMATE.start_main_~this_expect~0#1|) (= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} assume !(0 == main_~q~0#1); {27630#(and (= (mod |ULTIMATE.start_main_~this_expect~0#1| 2) 1) (<= 0 |ULTIMATE.start_main_~this_expect~0#1|) (= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} is VALID [2022-02-20 16:07:47,327 INFO L290 TraceCheckUtils]: 73: Hoare triple {27630#(and (= (mod |ULTIMATE.start_main_~this_expect~0#1| 2) 1) (<= 0 |ULTIMATE.start_main_~this_expect~0#1|) (= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} assume !(main_~this_expect~0#1 > 16); {27630#(and (= (mod |ULTIMATE.start_main_~this_expect~0#1| 2) 1) (<= 0 |ULTIMATE.start_main_~this_expect~0#1|) (= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} is VALID [2022-02-20 16:07:47,328 INFO L290 TraceCheckUtils]: 72: Hoare triple {27630#(and (= (mod |ULTIMATE.start_main_~this_expect~0#1| 2) 1) (<= 0 |ULTIMATE.start_main_~this_expect~0#1|) (= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} assume !false;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_~P1~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647;main_~P2~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647;main_~P3~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;assume -2147483648 <= main_#t~nondet7#1 && main_#t~nondet7#1 <= 2147483647;main_~P4~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;assume -2147483648 <= main_#t~nondet8#1 && main_#t~nondet8#1 <= 2147483647;main_~P5~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647;main_~P6~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1;assume -2147483648 <= main_#t~nondet10#1 && main_#t~nondet10#1 <= 2147483647;main_~P7~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;assume -2147483648 <= main_#t~nondet11#1 && main_#t~nondet11#1 <= 2147483647;main_~P8~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;assume -2147483648 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 2147483647;main_~P9~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; {27630#(and (= (mod |ULTIMATE.start_main_~this_expect~0#1| 2) 1) (<= 0 |ULTIMATE.start_main_~this_expect~0#1|) (= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} is VALID [2022-02-20 16:07:47,328 INFO L290 TraceCheckUtils]: 71: Hoare triple {27670#(and (= (+ (* (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 1) 1) (= (mod |ULTIMATE.start_main_~this_expect~0#1| 2) 1) (<= 0 |ULTIMATE.start_main_~this_expect~0#1|))} assume !((1 == main_~this_buffer_empty~0#1 && !(0 != main_~P3~0#1)) || ((main_~P3~0#1 != (if main_~this_expect~0#1 - 1 < 0 && 0 != (main_~this_expect~0#1 - 1) % 2 then (main_~this_expect~0#1 - 1) % 2 - 2 else (main_~this_expect~0#1 - 1) % 2) && 1 != main_~this_buffer_empty~0#1) && !(0 != main_~P3~0#1)));main_~q~0#1 := 4;main_~this_expect~0#1 := main_~this_expect~0#1;main_~this_buffer_empty~0#1 := 1 - main_~this_buffer_empty~0#1; {27630#(and (= (mod |ULTIMATE.start_main_~this_expect~0#1| 2) 1) (<= 0 |ULTIMATE.start_main_~this_expect~0#1|) (= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} is VALID [2022-02-20 16:07:47,329 INFO L290 TraceCheckUtils]: 70: Hoare triple {27670#(and (= (+ (* (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 1) 1) (= (mod |ULTIMATE.start_main_~this_expect~0#1| 2) 1) (<= 0 |ULTIMATE.start_main_~this_expect~0#1|))} assume !(0 != main_~P1~0#1);main_~method_id~0#1 := 3; {27670#(and (= (+ (* (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 1) 1) (= (mod |ULTIMATE.start_main_~this_expect~0#1| 2) 1) (<= 0 |ULTIMATE.start_main_~this_expect~0#1|))} is VALID [2022-02-20 16:07:47,329 INFO L290 TraceCheckUtils]: 69: Hoare triple {27670#(and (= (+ (* (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 1) 1) (= (mod |ULTIMATE.start_main_~this_expect~0#1| 2) 1) (<= 0 |ULTIMATE.start_main_~this_expect~0#1|))} assume 0 != main_#t~nondet27#1;havoc main_#t~nondet27#1; {27670#(and (= (+ (* (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 1) 1) (= (mod |ULTIMATE.start_main_~this_expect~0#1| 2) 1) (<= 0 |ULTIMATE.start_main_~this_expect~0#1|))} is VALID [2022-02-20 16:07:47,329 INFO L290 TraceCheckUtils]: 68: Hoare triple {27670#(and (= (+ (* (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 1) 1) (= (mod |ULTIMATE.start_main_~this_expect~0#1| 2) 1) (<= 0 |ULTIMATE.start_main_~this_expect~0#1|))} assume !(0 != main_#t~nondet26#1);havoc main_#t~nondet26#1;assume -2147483648 <= main_#t~nondet27#1 && main_#t~nondet27#1 <= 2147483647; {27670#(and (= (+ (* (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 1) 1) (= (mod |ULTIMATE.start_main_~this_expect~0#1| 2) 1) (<= 0 |ULTIMATE.start_main_~this_expect~0#1|))} is VALID [2022-02-20 16:07:47,330 INFO L290 TraceCheckUtils]: 67: Hoare triple {27670#(and (= (+ (* (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 1) 1) (= (mod |ULTIMATE.start_main_~this_expect~0#1| 2) 1) (<= 0 |ULTIMATE.start_main_~this_expect~0#1|))} assume 3 == main_~q~0#1;assume -2147483648 <= main_#t~nondet26#1 && main_#t~nondet26#1 <= 2147483647; {27670#(and (= (+ (* (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 1) 1) (= (mod |ULTIMATE.start_main_~this_expect~0#1| 2) 1) (<= 0 |ULTIMATE.start_main_~this_expect~0#1|))} is VALID [2022-02-20 16:07:47,330 INFO L290 TraceCheckUtils]: 66: Hoare triple {27670#(and (= (+ (* (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 1) 1) (= (mod |ULTIMATE.start_main_~this_expect~0#1| 2) 1) (<= 0 |ULTIMATE.start_main_~this_expect~0#1|))} assume !(2 == main_~q~0#1); {27670#(and (= (+ (* (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 1) 1) (= (mod |ULTIMATE.start_main_~this_expect~0#1| 2) 1) (<= 0 |ULTIMATE.start_main_~this_expect~0#1|))} is VALID [2022-02-20 16:07:47,330 INFO L290 TraceCheckUtils]: 65: Hoare triple {27670#(and (= (+ (* (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 1) 1) (= (mod |ULTIMATE.start_main_~this_expect~0#1| 2) 1) (<= 0 |ULTIMATE.start_main_~this_expect~0#1|))} assume !(1 == main_~q~0#1); {27670#(and (= (+ (* (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 1) 1) (= (mod |ULTIMATE.start_main_~this_expect~0#1| 2) 1) (<= 0 |ULTIMATE.start_main_~this_expect~0#1|))} is VALID [2022-02-20 16:07:47,331 INFO L290 TraceCheckUtils]: 64: Hoare triple {27670#(and (= (+ (* (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 1) 1) (= (mod |ULTIMATE.start_main_~this_expect~0#1| 2) 1) (<= 0 |ULTIMATE.start_main_~this_expect~0#1|))} assume !(0 == main_~q~0#1); {27670#(and (= (+ (* (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 1) 1) (= (mod |ULTIMATE.start_main_~this_expect~0#1| 2) 1) (<= 0 |ULTIMATE.start_main_~this_expect~0#1|))} is VALID [2022-02-20 16:07:47,331 INFO L290 TraceCheckUtils]: 63: Hoare triple {27670#(and (= (+ (* (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 1) 1) (= (mod |ULTIMATE.start_main_~this_expect~0#1| 2) 1) (<= 0 |ULTIMATE.start_main_~this_expect~0#1|))} assume !(main_~this_expect~0#1 > 16); {27670#(and (= (+ (* (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 1) 1) (= (mod |ULTIMATE.start_main_~this_expect~0#1| 2) 1) (<= 0 |ULTIMATE.start_main_~this_expect~0#1|))} is VALID [2022-02-20 16:07:47,332 INFO L290 TraceCheckUtils]: 62: Hoare triple {27670#(and (= (+ (* (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 1) 1) (= (mod |ULTIMATE.start_main_~this_expect~0#1| 2) 1) (<= 0 |ULTIMATE.start_main_~this_expect~0#1|))} assume !false;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_~P1~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647;main_~P2~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647;main_~P3~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;assume -2147483648 <= main_#t~nondet7#1 && main_#t~nondet7#1 <= 2147483647;main_~P4~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;assume -2147483648 <= main_#t~nondet8#1 && main_#t~nondet8#1 <= 2147483647;main_~P5~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647;main_~P6~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1;assume -2147483648 <= main_#t~nondet10#1 && main_#t~nondet10#1 <= 2147483647;main_~P7~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;assume -2147483648 <= main_#t~nondet11#1 && main_#t~nondet11#1 <= 2147483647;main_~P8~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;assume -2147483648 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 2147483647;main_~P9~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; {27670#(and (= (+ (* (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 1) 1) (= (mod |ULTIMATE.start_main_~this_expect~0#1| 2) 1) (<= 0 |ULTIMATE.start_main_~this_expect~0#1|))} is VALID [2022-02-20 16:07:47,332 INFO L290 TraceCheckUtils]: 61: Hoare triple {27701#(and (<= 0 (+ |ULTIMATE.start_main_~this_expect~0#1| 1)) (= 1 (mod (+ |ULTIMATE.start_main_~this_expect~0#1| 1) 2)) (= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} assume !((((if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2) != (if main_~this_expect~0#1 < 0 && 0 != main_~this_expect~0#1 % 2 then main_~this_expect~0#1 % 2 - 2 else main_~this_expect~0#1 % 2) && 1 == main_~this_buffer_empty~0#1) && !(0 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2))) || (1 != main_~this_buffer_empty~0#1 && !(0 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2))));main_~q~0#1 := 3;main_~this_expect~0#1 := 1 + main_~this_expect~0#1;main_~this_buffer_empty~0#1 := 1 - main_~this_buffer_empty~0#1; {27670#(and (= (+ (* (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 1) 1) (= (mod |ULTIMATE.start_main_~this_expect~0#1| 2) 1) (<= 0 |ULTIMATE.start_main_~this_expect~0#1|))} is VALID [2022-02-20 16:07:47,333 INFO L290 TraceCheckUtils]: 60: Hoare triple {27701#(and (<= 0 (+ |ULTIMATE.start_main_~this_expect~0#1| 1)) (= 1 (mod (+ |ULTIMATE.start_main_~this_expect~0#1| 1) 2)) (= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} assume !(0 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2));main_~method_id~0#1 := 2; {27701#(and (<= 0 (+ |ULTIMATE.start_main_~this_expect~0#1| 1)) (= 1 (mod (+ |ULTIMATE.start_main_~this_expect~0#1| 1) 2)) (= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} is VALID [2022-02-20 16:07:47,333 INFO L290 TraceCheckUtils]: 59: Hoare triple {27701#(and (<= 0 (+ |ULTIMATE.start_main_~this_expect~0#1| 1)) (= 1 (mod (+ |ULTIMATE.start_main_~this_expect~0#1| 1) 2)) (= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} assume 0 != main_#t~nondet14#1;havoc main_#t~nondet14#1; {27701#(and (<= 0 (+ |ULTIMATE.start_main_~this_expect~0#1| 1)) (= 1 (mod (+ |ULTIMATE.start_main_~this_expect~0#1| 1) 2)) (= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} is VALID [2022-02-20 16:07:47,333 INFO L290 TraceCheckUtils]: 58: Hoare triple {27701#(and (<= 0 (+ |ULTIMATE.start_main_~this_expect~0#1| 1)) (= 1 (mod (+ |ULTIMATE.start_main_~this_expect~0#1| 1) 2)) (= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} assume 1 == main_~q~0#1;assume -2147483648 <= main_#t~nondet14#1 && main_#t~nondet14#1 <= 2147483647; {27701#(and (<= 0 (+ |ULTIMATE.start_main_~this_expect~0#1| 1)) (= 1 (mod (+ |ULTIMATE.start_main_~this_expect~0#1| 1) 2)) (= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} is VALID [2022-02-20 16:07:47,334 INFO L290 TraceCheckUtils]: 57: Hoare triple {27701#(and (<= 0 (+ |ULTIMATE.start_main_~this_expect~0#1| 1)) (= 1 (mod (+ |ULTIMATE.start_main_~this_expect~0#1| 1) 2)) (= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} assume !(0 == main_~q~0#1); {27701#(and (<= 0 (+ |ULTIMATE.start_main_~this_expect~0#1| 1)) (= 1 (mod (+ |ULTIMATE.start_main_~this_expect~0#1| 1) 2)) (= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} is VALID [2022-02-20 16:07:47,334 INFO L290 TraceCheckUtils]: 56: Hoare triple {27701#(and (<= 0 (+ |ULTIMATE.start_main_~this_expect~0#1| 1)) (= 1 (mod (+ |ULTIMATE.start_main_~this_expect~0#1| 1) 2)) (= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} assume !(main_~this_expect~0#1 > 16); {27701#(and (<= 0 (+ |ULTIMATE.start_main_~this_expect~0#1| 1)) (= 1 (mod (+ |ULTIMATE.start_main_~this_expect~0#1| 1) 2)) (= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} is VALID [2022-02-20 16:07:47,335 INFO L290 TraceCheckUtils]: 55: Hoare triple {27701#(and (<= 0 (+ |ULTIMATE.start_main_~this_expect~0#1| 1)) (= 1 (mod (+ |ULTIMATE.start_main_~this_expect~0#1| 1) 2)) (= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} assume !false;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_~P1~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647;main_~P2~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647;main_~P3~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;assume -2147483648 <= main_#t~nondet7#1 && main_#t~nondet7#1 <= 2147483647;main_~P4~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;assume -2147483648 <= main_#t~nondet8#1 && main_#t~nondet8#1 <= 2147483647;main_~P5~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647;main_~P6~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1;assume -2147483648 <= main_#t~nondet10#1 && main_#t~nondet10#1 <= 2147483647;main_~P7~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;assume -2147483648 <= main_#t~nondet11#1 && main_#t~nondet11#1 <= 2147483647;main_~P8~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;assume -2147483648 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 2147483647;main_~P9~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; {27701#(and (<= 0 (+ |ULTIMATE.start_main_~this_expect~0#1| 1)) (= 1 (mod (+ |ULTIMATE.start_main_~this_expect~0#1| 1) 2)) (= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} is VALID [2022-02-20 16:07:47,335 INFO L290 TraceCheckUtils]: 54: Hoare triple {27723#(and (<= 0 (+ |ULTIMATE.start_main_~this_expect~0#1| 1)) (= (+ (* (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 1) 1) (= 1 (mod (+ |ULTIMATE.start_main_~this_expect~0#1| 1) 2)))} assume !(((1 == main_~this_buffer_empty~0#1 && 0 != main_~P9~0#1) && 0 != main_~P9~0#1 && !(1 != main_~P9~0#1 && 0 != main_~P9~0#1)) || (((main_~P9~0#1 != (if main_~this_expect~0#1 - 1 < 0 && 0 != (main_~this_expect~0#1 - 1) % 2 then (main_~this_expect~0#1 - 1) % 2 - 2 else (main_~this_expect~0#1 - 1) % 2) && 1 != main_~this_buffer_empty~0#1) && 0 != main_~P9~0#1) && 0 != main_~P9~0#1 && !(1 != main_~P9~0#1 && 0 != main_~P9~0#1)));main_~q~0#1 := 1;main_~this_expect~0#1 := main_~this_expect~0#1;main_~this_buffer_empty~0#1 := 1 - main_~this_buffer_empty~0#1; {27701#(and (<= 0 (+ |ULTIMATE.start_main_~this_expect~0#1| 1)) (= 1 (mod (+ |ULTIMATE.start_main_~this_expect~0#1| 1) 2)) (= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} is VALID [2022-02-20 16:07:47,336 INFO L290 TraceCheckUtils]: 53: Hoare triple {27723#(and (<= 0 (+ |ULTIMATE.start_main_~this_expect~0#1| 1)) (= (+ (* (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 1) 1) (= 1 (mod (+ |ULTIMATE.start_main_~this_expect~0#1| 1) 2)))} assume 0 != main_~P1~0#1 && !(1 != main_~P1~0#1 && 0 != main_~P1~0#1);main_~method_id~0#1 := 7; {27723#(and (<= 0 (+ |ULTIMATE.start_main_~this_expect~0#1| 1)) (= (+ (* (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 1) 1) (= 1 (mod (+ |ULTIMATE.start_main_~this_expect~0#1| 1) 2)))} is VALID [2022-02-20 16:07:47,336 INFO L290 TraceCheckUtils]: 52: Hoare triple {27723#(and (<= 0 (+ |ULTIMATE.start_main_~this_expect~0#1| 1)) (= (+ (* (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 1) 1) (= 1 (mod (+ |ULTIMATE.start_main_~this_expect~0#1| 1) 2)))} assume 0 != main_#t~nondet43#1;havoc main_#t~nondet43#1; {27723#(and (<= 0 (+ |ULTIMATE.start_main_~this_expect~0#1| 1)) (= (+ (* (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 1) 1) (= 1 (mod (+ |ULTIMATE.start_main_~this_expect~0#1| 1) 2)))} is VALID [2022-02-20 16:07:47,336 INFO L290 TraceCheckUtils]: 51: Hoare triple {27723#(and (<= 0 (+ |ULTIMATE.start_main_~this_expect~0#1| 1)) (= (+ (* (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 1) 1) (= 1 (mod (+ |ULTIMATE.start_main_~this_expect~0#1| 1) 2)))} assume !(0 != main_#t~nondet42#1);havoc main_#t~nondet42#1;assume -2147483648 <= main_#t~nondet43#1 && main_#t~nondet43#1 <= 2147483647; {27723#(and (<= 0 (+ |ULTIMATE.start_main_~this_expect~0#1| 1)) (= (+ (* (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 1) 1) (= 1 (mod (+ |ULTIMATE.start_main_~this_expect~0#1| 1) 2)))} is VALID [2022-02-20 16:07:47,337 INFO L290 TraceCheckUtils]: 50: Hoare triple {27723#(and (<= 0 (+ |ULTIMATE.start_main_~this_expect~0#1| 1)) (= (+ (* (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 1) 1) (= 1 (mod (+ |ULTIMATE.start_main_~this_expect~0#1| 1) 2)))} assume !(0 != main_#t~nondet41#1);havoc main_#t~nondet41#1;assume -2147483648 <= main_#t~nondet42#1 && main_#t~nondet42#1 <= 2147483647; {27723#(and (<= 0 (+ |ULTIMATE.start_main_~this_expect~0#1| 1)) (= (+ (* (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 1) 1) (= 1 (mod (+ |ULTIMATE.start_main_~this_expect~0#1| 1) 2)))} is VALID [2022-02-20 16:07:47,337 INFO L290 TraceCheckUtils]: 49: Hoare triple {27723#(and (<= 0 (+ |ULTIMATE.start_main_~this_expect~0#1| 1)) (= (+ (* (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 1) 1) (= 1 (mod (+ |ULTIMATE.start_main_~this_expect~0#1| 1) 2)))} assume !(0 != main_#t~nondet40#1);havoc main_#t~nondet40#1;assume -2147483648 <= main_#t~nondet41#1 && main_#t~nondet41#1 <= 2147483647; {27723#(and (<= 0 (+ |ULTIMATE.start_main_~this_expect~0#1| 1)) (= (+ (* (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 1) 1) (= 1 (mod (+ |ULTIMATE.start_main_~this_expect~0#1| 1) 2)))} is VALID [2022-02-20 16:07:47,337 INFO L290 TraceCheckUtils]: 48: Hoare triple {27723#(and (<= 0 (+ |ULTIMATE.start_main_~this_expect~0#1| 1)) (= (+ (* (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 1) 1) (= 1 (mod (+ |ULTIMATE.start_main_~this_expect~0#1| 1) 2)))} assume !(0 != main_#t~nondet39#1);havoc main_#t~nondet39#1;assume -2147483648 <= main_#t~nondet40#1 && main_#t~nondet40#1 <= 2147483647; {27723#(and (<= 0 (+ |ULTIMATE.start_main_~this_expect~0#1| 1)) (= (+ (* (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 1) 1) (= 1 (mod (+ |ULTIMATE.start_main_~this_expect~0#1| 1) 2)))} is VALID [2022-02-20 16:07:47,338 INFO L290 TraceCheckUtils]: 47: Hoare triple {27723#(and (<= 0 (+ |ULTIMATE.start_main_~this_expect~0#1| 1)) (= (+ (* (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 1) 1) (= 1 (mod (+ |ULTIMATE.start_main_~this_expect~0#1| 1) 2)))} assume !(0 != main_#t~nondet38#1);havoc main_#t~nondet38#1;assume -2147483648 <= main_#t~nondet39#1 && main_#t~nondet39#1 <= 2147483647; {27723#(and (<= 0 (+ |ULTIMATE.start_main_~this_expect~0#1| 1)) (= (+ (* (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 1) 1) (= 1 (mod (+ |ULTIMATE.start_main_~this_expect~0#1| 1) 2)))} is VALID [2022-02-20 16:07:47,338 INFO L290 TraceCheckUtils]: 46: Hoare triple {27723#(and (<= 0 (+ |ULTIMATE.start_main_~this_expect~0#1| 1)) (= (+ (* (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 1) 1) (= 1 (mod (+ |ULTIMATE.start_main_~this_expect~0#1| 1) 2)))} assume 5 == main_~q~0#1;assume -2147483648 <= main_#t~nondet38#1 && main_#t~nondet38#1 <= 2147483647; {27723#(and (<= 0 (+ |ULTIMATE.start_main_~this_expect~0#1| 1)) (= (+ (* (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 1) 1) (= 1 (mod (+ |ULTIMATE.start_main_~this_expect~0#1| 1) 2)))} is VALID [2022-02-20 16:07:47,339 INFO L290 TraceCheckUtils]: 45: Hoare triple {27723#(and (<= 0 (+ |ULTIMATE.start_main_~this_expect~0#1| 1)) (= (+ (* (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 1) 1) (= 1 (mod (+ |ULTIMATE.start_main_~this_expect~0#1| 1) 2)))} assume !(4 == main_~q~0#1); {27723#(and (<= 0 (+ |ULTIMATE.start_main_~this_expect~0#1| 1)) (= (+ (* (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 1) 1) (= 1 (mod (+ |ULTIMATE.start_main_~this_expect~0#1| 1) 2)))} is VALID [2022-02-20 16:07:47,339 INFO L290 TraceCheckUtils]: 44: Hoare triple {27723#(and (<= 0 (+ |ULTIMATE.start_main_~this_expect~0#1| 1)) (= (+ (* (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 1) 1) (= 1 (mod (+ |ULTIMATE.start_main_~this_expect~0#1| 1) 2)))} assume !(3 == main_~q~0#1); {27723#(and (<= 0 (+ |ULTIMATE.start_main_~this_expect~0#1| 1)) (= (+ (* (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 1) 1) (= 1 (mod (+ |ULTIMATE.start_main_~this_expect~0#1| 1) 2)))} is VALID [2022-02-20 16:07:47,339 INFO L290 TraceCheckUtils]: 43: Hoare triple {27723#(and (<= 0 (+ |ULTIMATE.start_main_~this_expect~0#1| 1)) (= (+ (* (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 1) 1) (= 1 (mod (+ |ULTIMATE.start_main_~this_expect~0#1| 1) 2)))} assume !(2 == main_~q~0#1); {27723#(and (<= 0 (+ |ULTIMATE.start_main_~this_expect~0#1| 1)) (= (+ (* (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 1) 1) (= 1 (mod (+ |ULTIMATE.start_main_~this_expect~0#1| 1) 2)))} is VALID [2022-02-20 16:07:47,340 INFO L290 TraceCheckUtils]: 42: Hoare triple {27723#(and (<= 0 (+ |ULTIMATE.start_main_~this_expect~0#1| 1)) (= (+ (* (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 1) 1) (= 1 (mod (+ |ULTIMATE.start_main_~this_expect~0#1| 1) 2)))} assume !(1 == main_~q~0#1); {27723#(and (<= 0 (+ |ULTIMATE.start_main_~this_expect~0#1| 1)) (= (+ (* (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 1) 1) (= 1 (mod (+ |ULTIMATE.start_main_~this_expect~0#1| 1) 2)))} is VALID [2022-02-20 16:07:47,340 INFO L290 TraceCheckUtils]: 41: Hoare triple {27723#(and (<= 0 (+ |ULTIMATE.start_main_~this_expect~0#1| 1)) (= (+ (* (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 1) 1) (= 1 (mod (+ |ULTIMATE.start_main_~this_expect~0#1| 1) 2)))} assume !(0 == main_~q~0#1); {27723#(and (<= 0 (+ |ULTIMATE.start_main_~this_expect~0#1| 1)) (= (+ (* (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 1) 1) (= 1 (mod (+ |ULTIMATE.start_main_~this_expect~0#1| 1) 2)))} is VALID [2022-02-20 16:07:47,340 INFO L290 TraceCheckUtils]: 40: Hoare triple {27723#(and (<= 0 (+ |ULTIMATE.start_main_~this_expect~0#1| 1)) (= (+ (* (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 1) 1) (= 1 (mod (+ |ULTIMATE.start_main_~this_expect~0#1| 1) 2)))} assume !(main_~this_expect~0#1 > 16); {27723#(and (<= 0 (+ |ULTIMATE.start_main_~this_expect~0#1| 1)) (= (+ (* (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 1) 1) (= 1 (mod (+ |ULTIMATE.start_main_~this_expect~0#1| 1) 2)))} is VALID [2022-02-20 16:07:47,341 INFO L290 TraceCheckUtils]: 39: Hoare triple {27723#(and (<= 0 (+ |ULTIMATE.start_main_~this_expect~0#1| 1)) (= (+ (* (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 1) 1) (= 1 (mod (+ |ULTIMATE.start_main_~this_expect~0#1| 1) 2)))} assume !false;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_~P1~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647;main_~P2~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647;main_~P3~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;assume -2147483648 <= main_#t~nondet7#1 && main_#t~nondet7#1 <= 2147483647;main_~P4~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;assume -2147483648 <= main_#t~nondet8#1 && main_#t~nondet8#1 <= 2147483647;main_~P5~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647;main_~P6~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1;assume -2147483648 <= main_#t~nondet10#1 && main_#t~nondet10#1 <= 2147483647;main_~P7~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;assume -2147483648 <= main_#t~nondet11#1 && main_#t~nondet11#1 <= 2147483647;main_~P8~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;assume -2147483648 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 2147483647;main_~P9~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; {27723#(and (<= 0 (+ |ULTIMATE.start_main_~this_expect~0#1| 1)) (= (+ (* (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 1) 1) (= 1 (mod (+ |ULTIMATE.start_main_~this_expect~0#1| 1) 2)))} is VALID [2022-02-20 16:07:47,342 INFO L290 TraceCheckUtils]: 38: Hoare triple {27772#(and (<= 0 (+ 2 |ULTIMATE.start_main_~this_expect~0#1|)) (= (mod |ULTIMATE.start_main_~this_expect~0#1| 2) 1) (= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} assume !(((((if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2) != (if main_~this_expect~0#1 < 0 && 0 != main_~this_expect~0#1 % 2 then main_~this_expect~0#1 % 2 - 2 else main_~this_expect~0#1 % 2) && 1 == main_~this_buffer_empty~0#1) && 0 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2)) && 0 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2) && !(1 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2) && 0 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2))) || ((1 != main_~this_buffer_empty~0#1 && 0 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2)) && 0 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2) && !(1 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2) && 0 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2))));main_~q~0#1 := 5;main_~this_expect~0#1 := 1 + main_~this_expect~0#1;main_~this_buffer_empty~0#1 := 1 - main_~this_buffer_empty~0#1; {27723#(and (<= 0 (+ |ULTIMATE.start_main_~this_expect~0#1| 1)) (= (+ (* (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 1) 1) (= 1 (mod (+ |ULTIMATE.start_main_~this_expect~0#1| 1) 2)))} is VALID [2022-02-20 16:07:47,342 INFO L290 TraceCheckUtils]: 37: Hoare triple {27772#(and (<= 0 (+ 2 |ULTIMATE.start_main_~this_expect~0#1|)) (= (mod |ULTIMATE.start_main_~this_expect~0#1| 2) 1) (= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} assume 0 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2) && !(1 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2) && 0 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2));main_~method_id~0#1 := 5; {27772#(and (<= 0 (+ 2 |ULTIMATE.start_main_~this_expect~0#1|)) (= (mod |ULTIMATE.start_main_~this_expect~0#1| 2) 1) (= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} is VALID [2022-02-20 16:07:47,342 INFO L290 TraceCheckUtils]: 36: Hoare triple {27772#(and (<= 0 (+ 2 |ULTIMATE.start_main_~this_expect~0#1|)) (= (mod |ULTIMATE.start_main_~this_expect~0#1| 2) 1) (= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} assume 0 != main_#t~nondet35#1;havoc main_#t~nondet35#1; {27772#(and (<= 0 (+ 2 |ULTIMATE.start_main_~this_expect~0#1|)) (= (mod |ULTIMATE.start_main_~this_expect~0#1| 2) 1) (= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} is VALID [2022-02-20 16:07:47,343 INFO L290 TraceCheckUtils]: 35: Hoare triple {27772#(and (<= 0 (+ 2 |ULTIMATE.start_main_~this_expect~0#1|)) (= (mod |ULTIMATE.start_main_~this_expect~0#1| 2) 1) (= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} assume !(0 != main_#t~nondet34#1);havoc main_#t~nondet34#1;assume -2147483648 <= main_#t~nondet35#1 && main_#t~nondet35#1 <= 2147483647; {27772#(and (<= 0 (+ 2 |ULTIMATE.start_main_~this_expect~0#1|)) (= (mod |ULTIMATE.start_main_~this_expect~0#1| 2) 1) (= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} is VALID [2022-02-20 16:07:47,343 INFO L290 TraceCheckUtils]: 34: Hoare triple {27772#(and (<= 0 (+ 2 |ULTIMATE.start_main_~this_expect~0#1|)) (= (mod |ULTIMATE.start_main_~this_expect~0#1| 2) 1) (= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} assume !(0 != main_#t~nondet33#1);havoc main_#t~nondet33#1;assume -2147483648 <= main_#t~nondet34#1 && main_#t~nondet34#1 <= 2147483647; {27772#(and (<= 0 (+ 2 |ULTIMATE.start_main_~this_expect~0#1|)) (= (mod |ULTIMATE.start_main_~this_expect~0#1| 2) 1) (= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} is VALID [2022-02-20 16:07:47,344 INFO L290 TraceCheckUtils]: 33: Hoare triple {27772#(and (<= 0 (+ 2 |ULTIMATE.start_main_~this_expect~0#1|)) (= (mod |ULTIMATE.start_main_~this_expect~0#1| 2) 1) (= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} assume !(0 != main_#t~nondet32#1);havoc main_#t~nondet32#1;assume -2147483648 <= main_#t~nondet33#1 && main_#t~nondet33#1 <= 2147483647; {27772#(and (<= 0 (+ 2 |ULTIMATE.start_main_~this_expect~0#1|)) (= (mod |ULTIMATE.start_main_~this_expect~0#1| 2) 1) (= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} is VALID [2022-02-20 16:07:47,344 INFO L290 TraceCheckUtils]: 32: Hoare triple {27772#(and (<= 0 (+ 2 |ULTIMATE.start_main_~this_expect~0#1|)) (= (mod |ULTIMATE.start_main_~this_expect~0#1| 2) 1) (= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} assume 4 == main_~q~0#1;assume -2147483648 <= main_#t~nondet32#1 && main_#t~nondet32#1 <= 2147483647; {27772#(and (<= 0 (+ 2 |ULTIMATE.start_main_~this_expect~0#1|)) (= (mod |ULTIMATE.start_main_~this_expect~0#1| 2) 1) (= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} is VALID [2022-02-20 16:07:47,344 INFO L290 TraceCheckUtils]: 31: Hoare triple {27772#(and (<= 0 (+ 2 |ULTIMATE.start_main_~this_expect~0#1|)) (= (mod |ULTIMATE.start_main_~this_expect~0#1| 2) 1) (= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} assume !(3 == main_~q~0#1); {27772#(and (<= 0 (+ 2 |ULTIMATE.start_main_~this_expect~0#1|)) (= (mod |ULTIMATE.start_main_~this_expect~0#1| 2) 1) (= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} is VALID [2022-02-20 16:07:47,345 INFO L290 TraceCheckUtils]: 30: Hoare triple {27772#(and (<= 0 (+ 2 |ULTIMATE.start_main_~this_expect~0#1|)) (= (mod |ULTIMATE.start_main_~this_expect~0#1| 2) 1) (= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} assume !(2 == main_~q~0#1); {27772#(and (<= 0 (+ 2 |ULTIMATE.start_main_~this_expect~0#1|)) (= (mod |ULTIMATE.start_main_~this_expect~0#1| 2) 1) (= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} is VALID [2022-02-20 16:07:47,345 INFO L290 TraceCheckUtils]: 29: Hoare triple {27772#(and (<= 0 (+ 2 |ULTIMATE.start_main_~this_expect~0#1|)) (= (mod |ULTIMATE.start_main_~this_expect~0#1| 2) 1) (= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} assume !(1 == main_~q~0#1); {27772#(and (<= 0 (+ 2 |ULTIMATE.start_main_~this_expect~0#1|)) (= (mod |ULTIMATE.start_main_~this_expect~0#1| 2) 1) (= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} is VALID [2022-02-20 16:07:47,345 INFO L290 TraceCheckUtils]: 28: Hoare triple {27772#(and (<= 0 (+ 2 |ULTIMATE.start_main_~this_expect~0#1|)) (= (mod |ULTIMATE.start_main_~this_expect~0#1| 2) 1) (= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} assume !(0 == main_~q~0#1); {27772#(and (<= 0 (+ 2 |ULTIMATE.start_main_~this_expect~0#1|)) (= (mod |ULTIMATE.start_main_~this_expect~0#1| 2) 1) (= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} is VALID [2022-02-20 16:07:47,346 INFO L290 TraceCheckUtils]: 27: Hoare triple {27772#(and (<= 0 (+ 2 |ULTIMATE.start_main_~this_expect~0#1|)) (= (mod |ULTIMATE.start_main_~this_expect~0#1| 2) 1) (= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} assume !(main_~this_expect~0#1 > 16); {27772#(and (<= 0 (+ 2 |ULTIMATE.start_main_~this_expect~0#1|)) (= (mod |ULTIMATE.start_main_~this_expect~0#1| 2) 1) (= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} is VALID [2022-02-20 16:07:47,346 INFO L290 TraceCheckUtils]: 26: Hoare triple {27772#(and (<= 0 (+ 2 |ULTIMATE.start_main_~this_expect~0#1|)) (= (mod |ULTIMATE.start_main_~this_expect~0#1| 2) 1) (= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} assume !false;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_~P1~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647;main_~P2~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647;main_~P3~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;assume -2147483648 <= main_#t~nondet7#1 && main_#t~nondet7#1 <= 2147483647;main_~P4~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;assume -2147483648 <= main_#t~nondet8#1 && main_#t~nondet8#1 <= 2147483647;main_~P5~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647;main_~P6~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1;assume -2147483648 <= main_#t~nondet10#1 && main_#t~nondet10#1 <= 2147483647;main_~P7~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;assume -2147483648 <= main_#t~nondet11#1 && main_#t~nondet11#1 <= 2147483647;main_~P8~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;assume -2147483648 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 2147483647;main_~P9~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; {27772#(and (<= 0 (+ 2 |ULTIMATE.start_main_~this_expect~0#1|)) (= (mod |ULTIMATE.start_main_~this_expect~0#1| 2) 1) (= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} is VALID [2022-02-20 16:07:47,347 INFO L290 TraceCheckUtils]: 25: Hoare triple {27812#(and (= (+ (* (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 1) 1) (<= 0 (+ 2 |ULTIMATE.start_main_~this_expect~0#1|)) (= (mod |ULTIMATE.start_main_~this_expect~0#1| 2) 1))} assume !((1 == main_~this_buffer_empty~0#1 && !(0 != main_~P3~0#1)) || ((main_~P3~0#1 != (if main_~this_expect~0#1 - 1 < 0 && 0 != (main_~this_expect~0#1 - 1) % 2 then (main_~this_expect~0#1 - 1) % 2 - 2 else (main_~this_expect~0#1 - 1) % 2) && 1 != main_~this_buffer_empty~0#1) && !(0 != main_~P3~0#1)));main_~q~0#1 := 4;main_~this_expect~0#1 := main_~this_expect~0#1;main_~this_buffer_empty~0#1 := 1 - main_~this_buffer_empty~0#1; {27772#(and (<= 0 (+ 2 |ULTIMATE.start_main_~this_expect~0#1|)) (= (mod |ULTIMATE.start_main_~this_expect~0#1| 2) 1) (= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} is VALID [2022-02-20 16:07:47,347 INFO L290 TraceCheckUtils]: 24: Hoare triple {27812#(and (= (+ (* (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 1) 1) (<= 0 (+ 2 |ULTIMATE.start_main_~this_expect~0#1|)) (= (mod |ULTIMATE.start_main_~this_expect~0#1| 2) 1))} assume !(0 != main_~P1~0#1);main_~method_id~0#1 := 3; {27812#(and (= (+ (* (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 1) 1) (<= 0 (+ 2 |ULTIMATE.start_main_~this_expect~0#1|)) (= (mod |ULTIMATE.start_main_~this_expect~0#1| 2) 1))} is VALID [2022-02-20 16:07:47,347 INFO L290 TraceCheckUtils]: 23: Hoare triple {27812#(and (= (+ (* (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 1) 1) (<= 0 (+ 2 |ULTIMATE.start_main_~this_expect~0#1|)) (= (mod |ULTIMATE.start_main_~this_expect~0#1| 2) 1))} assume 0 != main_#t~nondet27#1;havoc main_#t~nondet27#1; {27812#(and (= (+ (* (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 1) 1) (<= 0 (+ 2 |ULTIMATE.start_main_~this_expect~0#1|)) (= (mod |ULTIMATE.start_main_~this_expect~0#1| 2) 1))} is VALID [2022-02-20 16:07:47,348 INFO L290 TraceCheckUtils]: 22: Hoare triple {27812#(and (= (+ (* (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 1) 1) (<= 0 (+ 2 |ULTIMATE.start_main_~this_expect~0#1|)) (= (mod |ULTIMATE.start_main_~this_expect~0#1| 2) 1))} assume !(0 != main_#t~nondet26#1);havoc main_#t~nondet26#1;assume -2147483648 <= main_#t~nondet27#1 && main_#t~nondet27#1 <= 2147483647; {27812#(and (= (+ (* (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 1) 1) (<= 0 (+ 2 |ULTIMATE.start_main_~this_expect~0#1|)) (= (mod |ULTIMATE.start_main_~this_expect~0#1| 2) 1))} is VALID [2022-02-20 16:07:47,348 INFO L290 TraceCheckUtils]: 21: Hoare triple {27812#(and (= (+ (* (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 1) 1) (<= 0 (+ 2 |ULTIMATE.start_main_~this_expect~0#1|)) (= (mod |ULTIMATE.start_main_~this_expect~0#1| 2) 1))} assume 3 == main_~q~0#1;assume -2147483648 <= main_#t~nondet26#1 && main_#t~nondet26#1 <= 2147483647; {27812#(and (= (+ (* (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 1) 1) (<= 0 (+ 2 |ULTIMATE.start_main_~this_expect~0#1|)) (= (mod |ULTIMATE.start_main_~this_expect~0#1| 2) 1))} is VALID [2022-02-20 16:07:47,348 INFO L290 TraceCheckUtils]: 20: Hoare triple {27812#(and (= (+ (* (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 1) 1) (<= 0 (+ 2 |ULTIMATE.start_main_~this_expect~0#1|)) (= (mod |ULTIMATE.start_main_~this_expect~0#1| 2) 1))} assume !(2 == main_~q~0#1); {27812#(and (= (+ (* (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 1) 1) (<= 0 (+ 2 |ULTIMATE.start_main_~this_expect~0#1|)) (= (mod |ULTIMATE.start_main_~this_expect~0#1| 2) 1))} is VALID [2022-02-20 16:07:47,349 INFO L290 TraceCheckUtils]: 19: Hoare triple {27812#(and (= (+ (* (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 1) 1) (<= 0 (+ 2 |ULTIMATE.start_main_~this_expect~0#1|)) (= (mod |ULTIMATE.start_main_~this_expect~0#1| 2) 1))} assume !(1 == main_~q~0#1); {27812#(and (= (+ (* (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 1) 1) (<= 0 (+ 2 |ULTIMATE.start_main_~this_expect~0#1|)) (= (mod |ULTIMATE.start_main_~this_expect~0#1| 2) 1))} is VALID [2022-02-20 16:07:47,349 INFO L290 TraceCheckUtils]: 18: Hoare triple {27812#(and (= (+ (* (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 1) 1) (<= 0 (+ 2 |ULTIMATE.start_main_~this_expect~0#1|)) (= (mod |ULTIMATE.start_main_~this_expect~0#1| 2) 1))} assume !(0 == main_~q~0#1); {27812#(and (= (+ (* (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 1) 1) (<= 0 (+ 2 |ULTIMATE.start_main_~this_expect~0#1|)) (= (mod |ULTIMATE.start_main_~this_expect~0#1| 2) 1))} is VALID [2022-02-20 16:07:47,349 INFO L290 TraceCheckUtils]: 17: Hoare triple {27812#(and (= (+ (* (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 1) 1) (<= 0 (+ 2 |ULTIMATE.start_main_~this_expect~0#1|)) (= (mod |ULTIMATE.start_main_~this_expect~0#1| 2) 1))} assume !(main_~this_expect~0#1 > 16); {27812#(and (= (+ (* (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 1) 1) (<= 0 (+ 2 |ULTIMATE.start_main_~this_expect~0#1|)) (= (mod |ULTIMATE.start_main_~this_expect~0#1| 2) 1))} is VALID [2022-02-20 16:07:47,350 INFO L290 TraceCheckUtils]: 16: Hoare triple {27812#(and (= (+ (* (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 1) 1) (<= 0 (+ 2 |ULTIMATE.start_main_~this_expect~0#1|)) (= (mod |ULTIMATE.start_main_~this_expect~0#1| 2) 1))} assume !false;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_~P1~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647;main_~P2~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647;main_~P3~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;assume -2147483648 <= main_#t~nondet7#1 && main_#t~nondet7#1 <= 2147483647;main_~P4~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;assume -2147483648 <= main_#t~nondet8#1 && main_#t~nondet8#1 <= 2147483647;main_~P5~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647;main_~P6~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1;assume -2147483648 <= main_#t~nondet10#1 && main_#t~nondet10#1 <= 2147483647;main_~P7~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;assume -2147483648 <= main_#t~nondet11#1 && main_#t~nondet11#1 <= 2147483647;main_~P8~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;assume -2147483648 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 2147483647;main_~P9~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; {27812#(and (= (+ (* (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 1) 1) (<= 0 (+ 2 |ULTIMATE.start_main_~this_expect~0#1|)) (= (mod |ULTIMATE.start_main_~this_expect~0#1| 2) 1))} is VALID [2022-02-20 16:07:47,351 INFO L290 TraceCheckUtils]: 15: Hoare triple {27843#(and (<= 0 (+ 3 |ULTIMATE.start_main_~this_expect~0#1|)) (= 1 (mod (+ |ULTIMATE.start_main_~this_expect~0#1| 1) 2)) (= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} assume !((((if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2) != (if main_~this_expect~0#1 < 0 && 0 != main_~this_expect~0#1 % 2 then main_~this_expect~0#1 % 2 - 2 else main_~this_expect~0#1 % 2) && 1 == main_~this_buffer_empty~0#1) && !(0 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2))) || (1 != main_~this_buffer_empty~0#1 && !(0 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2))));main_~q~0#1 := 3;main_~this_expect~0#1 := 1 + main_~this_expect~0#1;main_~this_buffer_empty~0#1 := 1 - main_~this_buffer_empty~0#1; {27812#(and (= (+ (* (- 1) |ULTIMATE.start_main_~this_buffer_empty~0#1|) 1) 1) (<= 0 (+ 2 |ULTIMATE.start_main_~this_expect~0#1|)) (= (mod |ULTIMATE.start_main_~this_expect~0#1| 2) 1))} is VALID [2022-02-20 16:07:47,351 INFO L290 TraceCheckUtils]: 14: Hoare triple {27843#(and (<= 0 (+ 3 |ULTIMATE.start_main_~this_expect~0#1|)) (= 1 (mod (+ |ULTIMATE.start_main_~this_expect~0#1| 1) 2)) (= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} assume !(0 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2));main_~method_id~0#1 := 2; {27843#(and (<= 0 (+ 3 |ULTIMATE.start_main_~this_expect~0#1|)) (= 1 (mod (+ |ULTIMATE.start_main_~this_expect~0#1| 1) 2)) (= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} is VALID [2022-02-20 16:07:47,351 INFO L290 TraceCheckUtils]: 13: Hoare triple {27843#(and (<= 0 (+ 3 |ULTIMATE.start_main_~this_expect~0#1|)) (= 1 (mod (+ |ULTIMATE.start_main_~this_expect~0#1| 1) 2)) (= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} assume 0 != main_#t~nondet14#1;havoc main_#t~nondet14#1; {27843#(and (<= 0 (+ 3 |ULTIMATE.start_main_~this_expect~0#1|)) (= 1 (mod (+ |ULTIMATE.start_main_~this_expect~0#1| 1) 2)) (= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} is VALID [2022-02-20 16:07:47,352 INFO L290 TraceCheckUtils]: 12: Hoare triple {27843#(and (<= 0 (+ 3 |ULTIMATE.start_main_~this_expect~0#1|)) (= 1 (mod (+ |ULTIMATE.start_main_~this_expect~0#1| 1) 2)) (= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} assume 1 == main_~q~0#1;assume -2147483648 <= main_#t~nondet14#1 && main_#t~nondet14#1 <= 2147483647; {27843#(and (<= 0 (+ 3 |ULTIMATE.start_main_~this_expect~0#1|)) (= 1 (mod (+ |ULTIMATE.start_main_~this_expect~0#1| 1) 2)) (= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} is VALID [2022-02-20 16:07:47,352 INFO L290 TraceCheckUtils]: 11: Hoare triple {27843#(and (<= 0 (+ 3 |ULTIMATE.start_main_~this_expect~0#1|)) (= 1 (mod (+ |ULTIMATE.start_main_~this_expect~0#1| 1) 2)) (= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} assume !(0 == main_~q~0#1); {27843#(and (<= 0 (+ 3 |ULTIMATE.start_main_~this_expect~0#1|)) (= 1 (mod (+ |ULTIMATE.start_main_~this_expect~0#1| 1) 2)) (= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} is VALID [2022-02-20 16:07:47,352 INFO L290 TraceCheckUtils]: 10: Hoare triple {27843#(and (<= 0 (+ 3 |ULTIMATE.start_main_~this_expect~0#1|)) (= 1 (mod (+ |ULTIMATE.start_main_~this_expect~0#1| 1) 2)) (= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} assume !(main_~this_expect~0#1 > 16); {27843#(and (<= 0 (+ 3 |ULTIMATE.start_main_~this_expect~0#1|)) (= 1 (mod (+ |ULTIMATE.start_main_~this_expect~0#1| 1) 2)) (= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} is VALID [2022-02-20 16:07:47,353 INFO L290 TraceCheckUtils]: 9: Hoare triple {27843#(and (<= 0 (+ 3 |ULTIMATE.start_main_~this_expect~0#1|)) (= 1 (mod (+ |ULTIMATE.start_main_~this_expect~0#1| 1) 2)) (= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} assume !false;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_~P1~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647;main_~P2~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647;main_~P3~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;assume -2147483648 <= main_#t~nondet7#1 && main_#t~nondet7#1 <= 2147483647;main_~P4~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;assume -2147483648 <= main_#t~nondet8#1 && main_#t~nondet8#1 <= 2147483647;main_~P5~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647;main_~P6~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1;assume -2147483648 <= main_#t~nondet10#1 && main_#t~nondet10#1 <= 2147483647;main_~P7~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;assume -2147483648 <= main_#t~nondet11#1 && main_#t~nondet11#1 <= 2147483647;main_~P8~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;assume -2147483648 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 2147483647;main_~P9~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; {27843#(and (<= 0 (+ 3 |ULTIMATE.start_main_~this_expect~0#1|)) (= 1 (mod (+ |ULTIMATE.start_main_~this_expect~0#1| 1) 2)) (= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} is VALID [2022-02-20 16:07:47,353 INFO L290 TraceCheckUtils]: 8: Hoare triple {27356#true} assume !false;main_~q~0#1 := 1;main_~this_expect~0#1 := 0;main_~this_buffer_empty~0#1 := 1; {27843#(and (<= 0 (+ 3 |ULTIMATE.start_main_~this_expect~0#1|)) (= 1 (mod (+ |ULTIMATE.start_main_~this_expect~0#1| 1) 2)) (= |ULTIMATE.start_main_~this_buffer_empty~0#1| 1))} is VALID [2022-02-20 16:07:47,353 INFO L290 TraceCheckUtils]: 7: Hoare triple {27356#true} main_~method_id~0#1 := 1; {27356#true} is VALID [2022-02-20 16:07:47,353 INFO L290 TraceCheckUtils]: 6: Hoare triple {27356#true} assume 0 != main_#t~nondet13#1;havoc main_#t~nondet13#1; {27356#true} is VALID [2022-02-20 16:07:47,353 INFO L290 TraceCheckUtils]: 5: Hoare triple {27356#true} assume 0 == main_~q~0#1;assume -2147483648 <= main_#t~nondet13#1 && main_#t~nondet13#1 <= 2147483647; {27356#true} is VALID [2022-02-20 16:07:47,354 INFO L290 TraceCheckUtils]: 4: Hoare triple {27356#true} assume !(main_~this_expect~0#1 > 16); {27356#true} is VALID [2022-02-20 16:07:47,354 INFO L290 TraceCheckUtils]: 3: Hoare triple {27356#true} assume !false;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_~P1~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647;main_~P2~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647;main_~P3~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;assume -2147483648 <= main_#t~nondet7#1 && main_#t~nondet7#1 <= 2147483647;main_~P4~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;assume -2147483648 <= main_#t~nondet8#1 && main_#t~nondet8#1 <= 2147483647;main_~P5~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647;main_~P6~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1;assume -2147483648 <= main_#t~nondet10#1 && main_#t~nondet10#1 <= 2147483647;main_~P7~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;assume -2147483648 <= main_#t~nondet11#1 && main_#t~nondet11#1 <= 2147483647;main_~P8~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;assume -2147483648 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 2147483647;main_~P9~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; {27356#true} is VALID [2022-02-20 16:07:47,354 INFO L290 TraceCheckUtils]: 2: Hoare triple {27356#true} goto; {27356#true} is VALID [2022-02-20 16:07:47,354 INFO L290 TraceCheckUtils]: 1: Hoare triple {27356#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~nondet5#1, main_#t~nondet6#1, main_#t~nondet7#1, main_#t~nondet8#1, main_#t~nondet9#1, main_#t~nondet10#1, main_#t~nondet11#1, main_#t~nondet12#1, main_#t~nondet13#1, main_#t~nondet14#1, main_#t~nondet15#1, main_#t~nondet16#1, main_#t~nondet17#1, main_#t~nondet18#1, main_#t~nondet19#1, main_#t~nondet20#1, main_#t~nondet21#1, main_#t~nondet22#1, main_#t~nondet23#1, main_#t~nondet24#1, main_#t~nondet25#1, main_#t~nondet26#1, main_#t~nondet27#1, main_#t~nondet28#1, main_#t~nondet29#1, main_#t~nondet30#1, main_#t~nondet31#1, main_#t~nondet32#1, main_#t~nondet33#1, main_#t~nondet34#1, main_#t~nondet35#1, main_#t~nondet36#1, main_#t~nondet37#1, main_#t~nondet38#1, main_#t~nondet39#1, main_#t~nondet40#1, main_#t~nondet41#1, main_#t~nondet42#1, main_#t~nondet43#1, main_~P1~0#1, main_~P2~0#1, main_~P3~0#1, main_~P4~0#1, main_~P5~0#1, main_~P6~0#1, main_~P7~0#1, main_~P8~0#1, main_~P9~0#1, main_~q~0#1, main_~method_id~0#1, main_~this_expect~0#1, main_~this_buffer_empty~0#1;main_~q~0#1 := 0;havoc main_~method_id~0#1;main_~this_expect~0#1 := 0;main_~this_buffer_empty~0#1 := 0; {27356#true} is VALID [2022-02-20 16:07:47,354 INFO L290 TraceCheckUtils]: 0: Hoare triple {27356#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(16, 2);call #Ultimate.allocInit(12, 3);~m_Protocol~0 := 1;~m_msg_2~0 := 2;~m_recv_ack_2~0 := 3;~m_msg_1_1~0 := 4;~m_msg_1_2~0 := 5;~m_recv_ack_1_1~0 := 6;~m_recv_ack_1_2~0 := 7; {27356#true} is VALID [2022-02-20 16:07:47,354 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 51 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 16:07:47,354 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [845667492] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-20 16:07:47,354 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-20 16:07:47,354 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 9, 9] total 20 [2022-02-20 16:07:47,354 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1841587371] [2022-02-20 16:07:47,354 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-20 16:07:47,355 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 10.45) internal successors, (209), 20 states have internal predecessors, (209), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 86 [2022-02-20 16:07:47,355 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 16:07:47,355 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 20 states, 20 states have (on average 10.45) internal successors, (209), 20 states have internal predecessors, (209), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:07:47,462 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 209 edges. 209 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 16:07:47,462 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2022-02-20 16:07:47,462 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 16:07:47,463 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-02-20 16:07:47,463 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=321, Unknown=0, NotChecked=0, Total=380 [2022-02-20 16:07:47,463 INFO L87 Difference]: Start difference. First operand 628 states and 881 transitions. Second operand has 20 states, 20 states have (on average 10.45) internal successors, (209), 20 states have internal predecessors, (209), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:07:48,623 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 16:07:48,624 INFO L93 Difference]: Finished difference Result 632 states and 883 transitions. [2022-02-20 16:07:48,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-02-20 16:07:48,624 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 10.45) internal successors, (209), 20 states have internal predecessors, (209), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 86 [2022-02-20 16:07:48,624 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 16:07:48,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 20 states have (on average 10.45) internal successors, (209), 20 states have internal predecessors, (209), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:07:48,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 420 transitions. [2022-02-20 16:07:48,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 20 states have (on average 10.45) internal successors, (209), 20 states have internal predecessors, (209), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:07:48,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 420 transitions. [2022-02-20 16:07:48,628 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 15 states and 420 transitions. [2022-02-20 16:07:48,790 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 420 edges. 420 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 16:07:48,801 INFO L225 Difference]: With dead ends: 632 [2022-02-20 16:07:48,801 INFO L226 Difference]: Without dead ends: 630 [2022-02-20 16:07:48,801 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 183 GetRequests, 161 SyntacticMatches, 2 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 94 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=70, Invalid=392, Unknown=0, NotChecked=0, Total=462 [2022-02-20 16:07:48,802 INFO L933 BasicCegarLoop]: 199 mSDtfsCounter, 384 mSDsluCounter, 1485 mSDsCounter, 0 mSdLazyCounter, 331 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 384 SdHoareTripleChecker+Valid, 1684 SdHoareTripleChecker+Invalid, 338 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 331 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-02-20 16:07:48,802 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [384 Valid, 1684 Invalid, 338 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 331 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-02-20 16:07:48,803 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 630 states. [2022-02-20 16:07:48,936 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 630 to 628. [2022-02-20 16:07:48,936 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 16:07:48,937 INFO L82 GeneralOperation]: Start isEquivalent. First operand 630 states. Second operand has 628 states, 627 states have (on average 1.4019138755980862) internal successors, (879), 627 states have internal predecessors, (879), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:07:48,937 INFO L74 IsIncluded]: Start isIncluded. First operand 630 states. Second operand has 628 states, 627 states have (on average 1.4019138755980862) internal successors, (879), 627 states have internal predecessors, (879), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:07:48,938 INFO L87 Difference]: Start difference. First operand 630 states. Second operand has 628 states, 627 states have (on average 1.4019138755980862) internal successors, (879), 627 states have internal predecessors, (879), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:07:48,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 16:07:48,948 INFO L93 Difference]: Finished difference Result 630 states and 880 transitions. [2022-02-20 16:07:48,948 INFO L276 IsEmpty]: Start isEmpty. Operand 630 states and 880 transitions. [2022-02-20 16:07:48,949 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 16:07:48,949 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 16:07:48,949 INFO L74 IsIncluded]: Start isIncluded. First operand has 628 states, 627 states have (on average 1.4019138755980862) internal successors, (879), 627 states have internal predecessors, (879), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 630 states. [2022-02-20 16:07:48,950 INFO L87 Difference]: Start difference. First operand has 628 states, 627 states have (on average 1.4019138755980862) internal successors, (879), 627 states have internal predecessors, (879), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 630 states. [2022-02-20 16:07:48,960 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 16:07:48,961 INFO L93 Difference]: Finished difference Result 630 states and 880 transitions. [2022-02-20 16:07:48,961 INFO L276 IsEmpty]: Start isEmpty. Operand 630 states and 880 transitions. [2022-02-20 16:07:48,961 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 16:07:48,961 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 16:07:48,961 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 16:07:48,961 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 16:07:48,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 628 states, 627 states have (on average 1.4019138755980862) internal successors, (879), 627 states have internal predecessors, (879), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:07:48,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 628 states to 628 states and 879 transitions. [2022-02-20 16:07:48,973 INFO L78 Accepts]: Start accepts. Automaton has 628 states and 879 transitions. Word has length 86 [2022-02-20 16:07:48,973 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 16:07:48,973 INFO L470 AbstractCegarLoop]: Abstraction has 628 states and 879 transitions. [2022-02-20 16:07:48,973 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 10.45) internal successors, (209), 20 states have internal predecessors, (209), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:07:48,974 INFO L276 IsEmpty]: Start isEmpty. Operand 628 states and 879 transitions. [2022-02-20 16:07:48,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2022-02-20 16:07:48,974 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 16:07:48,974 INFO L514 BasicCegarLoop]: trace histogram [13, 12, 12, 9, 9, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 16:07:49,007 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2022-02-20 16:07:49,189 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2022-02-20 16:07:49,189 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-20 16:07:49,190 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 16:07:49,190 INFO L85 PathProgramCache]: Analyzing trace with hash -520376012, now seen corresponding path program 1 times [2022-02-20 16:07:49,190 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 16:07:49,190 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [378395955] [2022-02-20 16:07:49,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 16:07:49,190 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 16:07:49,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 16:07:49,362 INFO L290 TraceCheckUtils]: 0: Hoare triple {30507#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(16, 2);call #Ultimate.allocInit(12, 3);~m_Protocol~0 := 1;~m_msg_2~0 := 2;~m_recv_ack_2~0 := 3;~m_msg_1_1~0 := 4;~m_msg_1_2~0 := 5;~m_recv_ack_1_1~0 := 6;~m_recv_ack_1_2~0 := 7; {30507#true} is VALID [2022-02-20 16:07:49,362 INFO L290 TraceCheckUtils]: 1: Hoare triple {30507#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~nondet5#1, main_#t~nondet6#1, main_#t~nondet7#1, main_#t~nondet8#1, main_#t~nondet9#1, main_#t~nondet10#1, main_#t~nondet11#1, main_#t~nondet12#1, main_#t~nondet13#1, main_#t~nondet14#1, main_#t~nondet15#1, main_#t~nondet16#1, main_#t~nondet17#1, main_#t~nondet18#1, main_#t~nondet19#1, main_#t~nondet20#1, main_#t~nondet21#1, main_#t~nondet22#1, main_#t~nondet23#1, main_#t~nondet24#1, main_#t~nondet25#1, main_#t~nondet26#1, main_#t~nondet27#1, main_#t~nondet28#1, main_#t~nondet29#1, main_#t~nondet30#1, main_#t~nondet31#1, main_#t~nondet32#1, main_#t~nondet33#1, main_#t~nondet34#1, main_#t~nondet35#1, main_#t~nondet36#1, main_#t~nondet37#1, main_#t~nondet38#1, main_#t~nondet39#1, main_#t~nondet40#1, main_#t~nondet41#1, main_#t~nondet42#1, main_#t~nondet43#1, main_~P1~0#1, main_~P2~0#1, main_~P3~0#1, main_~P4~0#1, main_~P5~0#1, main_~P6~0#1, main_~P7~0#1, main_~P8~0#1, main_~P9~0#1, main_~q~0#1, main_~method_id~0#1, main_~this_expect~0#1, main_~this_buffer_empty~0#1;main_~q~0#1 := 0;havoc main_~method_id~0#1;main_~this_expect~0#1 := 0;main_~this_buffer_empty~0#1 := 0; {30507#true} is VALID [2022-02-20 16:07:49,362 INFO L290 TraceCheckUtils]: 2: Hoare triple {30507#true} goto; {30507#true} is VALID [2022-02-20 16:07:49,362 INFO L290 TraceCheckUtils]: 3: Hoare triple {30507#true} assume !false;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_~P1~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647;main_~P2~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647;main_~P3~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;assume -2147483648 <= main_#t~nondet7#1 && main_#t~nondet7#1 <= 2147483647;main_~P4~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;assume -2147483648 <= main_#t~nondet8#1 && main_#t~nondet8#1 <= 2147483647;main_~P5~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647;main_~P6~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1;assume -2147483648 <= main_#t~nondet10#1 && main_#t~nondet10#1 <= 2147483647;main_~P7~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;assume -2147483648 <= main_#t~nondet11#1 && main_#t~nondet11#1 <= 2147483647;main_~P8~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;assume -2147483648 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 2147483647;main_~P9~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; {30507#true} is VALID [2022-02-20 16:07:49,363 INFO L290 TraceCheckUtils]: 4: Hoare triple {30507#true} assume !(main_~this_expect~0#1 > 16); {30507#true} is VALID [2022-02-20 16:07:49,363 INFO L290 TraceCheckUtils]: 5: Hoare triple {30507#true} assume 0 == main_~q~0#1;assume -2147483648 <= main_#t~nondet13#1 && main_#t~nondet13#1 <= 2147483647; {30507#true} is VALID [2022-02-20 16:07:49,363 INFO L290 TraceCheckUtils]: 6: Hoare triple {30507#true} assume 0 != main_#t~nondet13#1;havoc main_#t~nondet13#1; {30507#true} is VALID [2022-02-20 16:07:49,363 INFO L290 TraceCheckUtils]: 7: Hoare triple {30507#true} main_~method_id~0#1 := 1; {30507#true} is VALID [2022-02-20 16:07:49,363 INFO L290 TraceCheckUtils]: 8: Hoare triple {30507#true} assume !false;main_~q~0#1 := 1;main_~this_expect~0#1 := 0;main_~this_buffer_empty~0#1 := 1; {30509#(= |ULTIMATE.start_main_~this_expect~0#1| 0)} is VALID [2022-02-20 16:07:49,363 INFO L290 TraceCheckUtils]: 9: Hoare triple {30509#(= |ULTIMATE.start_main_~this_expect~0#1| 0)} assume !false;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_~P1~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647;main_~P2~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647;main_~P3~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;assume -2147483648 <= main_#t~nondet7#1 && main_#t~nondet7#1 <= 2147483647;main_~P4~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;assume -2147483648 <= main_#t~nondet8#1 && main_#t~nondet8#1 <= 2147483647;main_~P5~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647;main_~P6~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1;assume -2147483648 <= main_#t~nondet10#1 && main_#t~nondet10#1 <= 2147483647;main_~P7~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;assume -2147483648 <= main_#t~nondet11#1 && main_#t~nondet11#1 <= 2147483647;main_~P8~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;assume -2147483648 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 2147483647;main_~P9~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; {30509#(= |ULTIMATE.start_main_~this_expect~0#1| 0)} is VALID [2022-02-20 16:07:49,364 INFO L290 TraceCheckUtils]: 10: Hoare triple {30509#(= |ULTIMATE.start_main_~this_expect~0#1| 0)} assume !(main_~this_expect~0#1 > 16); {30509#(= |ULTIMATE.start_main_~this_expect~0#1| 0)} is VALID [2022-02-20 16:07:49,364 INFO L290 TraceCheckUtils]: 11: Hoare triple {30509#(= |ULTIMATE.start_main_~this_expect~0#1| 0)} assume !(0 == main_~q~0#1); {30509#(= |ULTIMATE.start_main_~this_expect~0#1| 0)} is VALID [2022-02-20 16:07:49,364 INFO L290 TraceCheckUtils]: 12: Hoare triple {30509#(= |ULTIMATE.start_main_~this_expect~0#1| 0)} assume 1 == main_~q~0#1;assume -2147483648 <= main_#t~nondet14#1 && main_#t~nondet14#1 <= 2147483647; {30509#(= |ULTIMATE.start_main_~this_expect~0#1| 0)} is VALID [2022-02-20 16:07:49,365 INFO L290 TraceCheckUtils]: 13: Hoare triple {30509#(= |ULTIMATE.start_main_~this_expect~0#1| 0)} assume 0 != main_#t~nondet14#1;havoc main_#t~nondet14#1; {30509#(= |ULTIMATE.start_main_~this_expect~0#1| 0)} is VALID [2022-02-20 16:07:49,365 INFO L290 TraceCheckUtils]: 14: Hoare triple {30509#(= |ULTIMATE.start_main_~this_expect~0#1| 0)} assume !(0 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2));main_~method_id~0#1 := 2; {30509#(= |ULTIMATE.start_main_~this_expect~0#1| 0)} is VALID [2022-02-20 16:07:49,365 INFO L290 TraceCheckUtils]: 15: Hoare triple {30509#(= |ULTIMATE.start_main_~this_expect~0#1| 0)} assume !((((if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2) != (if main_~this_expect~0#1 < 0 && 0 != main_~this_expect~0#1 % 2 then main_~this_expect~0#1 % 2 - 2 else main_~this_expect~0#1 % 2) && 1 == main_~this_buffer_empty~0#1) && !(0 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2))) || (1 != main_~this_buffer_empty~0#1 && !(0 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2))));main_~q~0#1 := 3;main_~this_expect~0#1 := 1 + main_~this_expect~0#1;main_~this_buffer_empty~0#1 := 1 - main_~this_buffer_empty~0#1; {30510#(<= |ULTIMATE.start_main_~this_expect~0#1| 1)} is VALID [2022-02-20 16:07:49,366 INFO L290 TraceCheckUtils]: 16: Hoare triple {30510#(<= |ULTIMATE.start_main_~this_expect~0#1| 1)} assume !false;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_~P1~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647;main_~P2~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647;main_~P3~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;assume -2147483648 <= main_#t~nondet7#1 && main_#t~nondet7#1 <= 2147483647;main_~P4~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;assume -2147483648 <= main_#t~nondet8#1 && main_#t~nondet8#1 <= 2147483647;main_~P5~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647;main_~P6~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1;assume -2147483648 <= main_#t~nondet10#1 && main_#t~nondet10#1 <= 2147483647;main_~P7~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;assume -2147483648 <= main_#t~nondet11#1 && main_#t~nondet11#1 <= 2147483647;main_~P8~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;assume -2147483648 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 2147483647;main_~P9~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; {30510#(<= |ULTIMATE.start_main_~this_expect~0#1| 1)} is VALID [2022-02-20 16:07:49,366 INFO L290 TraceCheckUtils]: 17: Hoare triple {30510#(<= |ULTIMATE.start_main_~this_expect~0#1| 1)} assume !(main_~this_expect~0#1 > 16); {30510#(<= |ULTIMATE.start_main_~this_expect~0#1| 1)} is VALID [2022-02-20 16:07:49,366 INFO L290 TraceCheckUtils]: 18: Hoare triple {30510#(<= |ULTIMATE.start_main_~this_expect~0#1| 1)} assume !(0 == main_~q~0#1); {30510#(<= |ULTIMATE.start_main_~this_expect~0#1| 1)} is VALID [2022-02-20 16:07:49,367 INFO L290 TraceCheckUtils]: 19: Hoare triple {30510#(<= |ULTIMATE.start_main_~this_expect~0#1| 1)} assume !(1 == main_~q~0#1); {30510#(<= |ULTIMATE.start_main_~this_expect~0#1| 1)} is VALID [2022-02-20 16:07:49,367 INFO L290 TraceCheckUtils]: 20: Hoare triple {30510#(<= |ULTIMATE.start_main_~this_expect~0#1| 1)} assume !(2 == main_~q~0#1); {30510#(<= |ULTIMATE.start_main_~this_expect~0#1| 1)} is VALID [2022-02-20 16:07:49,367 INFO L290 TraceCheckUtils]: 21: Hoare triple {30510#(<= |ULTIMATE.start_main_~this_expect~0#1| 1)} assume 3 == main_~q~0#1;assume -2147483648 <= main_#t~nondet26#1 && main_#t~nondet26#1 <= 2147483647; {30510#(<= |ULTIMATE.start_main_~this_expect~0#1| 1)} is VALID [2022-02-20 16:07:49,368 INFO L290 TraceCheckUtils]: 22: Hoare triple {30510#(<= |ULTIMATE.start_main_~this_expect~0#1| 1)} assume !(0 != main_#t~nondet26#1);havoc main_#t~nondet26#1;assume -2147483648 <= main_#t~nondet27#1 && main_#t~nondet27#1 <= 2147483647; {30510#(<= |ULTIMATE.start_main_~this_expect~0#1| 1)} is VALID [2022-02-20 16:07:49,368 INFO L290 TraceCheckUtils]: 23: Hoare triple {30510#(<= |ULTIMATE.start_main_~this_expect~0#1| 1)} assume 0 != main_#t~nondet27#1;havoc main_#t~nondet27#1; {30510#(<= |ULTIMATE.start_main_~this_expect~0#1| 1)} is VALID [2022-02-20 16:07:49,368 INFO L290 TraceCheckUtils]: 24: Hoare triple {30510#(<= |ULTIMATE.start_main_~this_expect~0#1| 1)} assume !(0 != main_~P1~0#1);main_~method_id~0#1 := 3; {30510#(<= |ULTIMATE.start_main_~this_expect~0#1| 1)} is VALID [2022-02-20 16:07:49,369 INFO L290 TraceCheckUtils]: 25: Hoare triple {30510#(<= |ULTIMATE.start_main_~this_expect~0#1| 1)} assume !((1 == main_~this_buffer_empty~0#1 && !(0 != main_~P3~0#1)) || ((main_~P3~0#1 != (if main_~this_expect~0#1 - 1 < 0 && 0 != (main_~this_expect~0#1 - 1) % 2 then (main_~this_expect~0#1 - 1) % 2 - 2 else (main_~this_expect~0#1 - 1) % 2) && 1 != main_~this_buffer_empty~0#1) && !(0 != main_~P3~0#1)));main_~q~0#1 := 4;main_~this_expect~0#1 := main_~this_expect~0#1;main_~this_buffer_empty~0#1 := 1 - main_~this_buffer_empty~0#1; {30510#(<= |ULTIMATE.start_main_~this_expect~0#1| 1)} is VALID [2022-02-20 16:07:49,369 INFO L290 TraceCheckUtils]: 26: Hoare triple {30510#(<= |ULTIMATE.start_main_~this_expect~0#1| 1)} assume !false;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_~P1~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647;main_~P2~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647;main_~P3~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;assume -2147483648 <= main_#t~nondet7#1 && main_#t~nondet7#1 <= 2147483647;main_~P4~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;assume -2147483648 <= main_#t~nondet8#1 && main_#t~nondet8#1 <= 2147483647;main_~P5~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647;main_~P6~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1;assume -2147483648 <= main_#t~nondet10#1 && main_#t~nondet10#1 <= 2147483647;main_~P7~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;assume -2147483648 <= main_#t~nondet11#1 && main_#t~nondet11#1 <= 2147483647;main_~P8~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;assume -2147483648 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 2147483647;main_~P9~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; {30510#(<= |ULTIMATE.start_main_~this_expect~0#1| 1)} is VALID [2022-02-20 16:07:49,369 INFO L290 TraceCheckUtils]: 27: Hoare triple {30510#(<= |ULTIMATE.start_main_~this_expect~0#1| 1)} assume !(main_~this_expect~0#1 > 16); {30510#(<= |ULTIMATE.start_main_~this_expect~0#1| 1)} is VALID [2022-02-20 16:07:49,369 INFO L290 TraceCheckUtils]: 28: Hoare triple {30510#(<= |ULTIMATE.start_main_~this_expect~0#1| 1)} assume !(0 == main_~q~0#1); {30510#(<= |ULTIMATE.start_main_~this_expect~0#1| 1)} is VALID [2022-02-20 16:07:49,370 INFO L290 TraceCheckUtils]: 29: Hoare triple {30510#(<= |ULTIMATE.start_main_~this_expect~0#1| 1)} assume !(1 == main_~q~0#1); {30510#(<= |ULTIMATE.start_main_~this_expect~0#1| 1)} is VALID [2022-02-20 16:07:49,370 INFO L290 TraceCheckUtils]: 30: Hoare triple {30510#(<= |ULTIMATE.start_main_~this_expect~0#1| 1)} assume !(2 == main_~q~0#1); {30510#(<= |ULTIMATE.start_main_~this_expect~0#1| 1)} is VALID [2022-02-20 16:07:49,370 INFO L290 TraceCheckUtils]: 31: Hoare triple {30510#(<= |ULTIMATE.start_main_~this_expect~0#1| 1)} assume !(3 == main_~q~0#1); {30510#(<= |ULTIMATE.start_main_~this_expect~0#1| 1)} is VALID [2022-02-20 16:07:49,371 INFO L290 TraceCheckUtils]: 32: Hoare triple {30510#(<= |ULTIMATE.start_main_~this_expect~0#1| 1)} assume 4 == main_~q~0#1;assume -2147483648 <= main_#t~nondet32#1 && main_#t~nondet32#1 <= 2147483647; {30510#(<= |ULTIMATE.start_main_~this_expect~0#1| 1)} is VALID [2022-02-20 16:07:49,371 INFO L290 TraceCheckUtils]: 33: Hoare triple {30510#(<= |ULTIMATE.start_main_~this_expect~0#1| 1)} assume !(0 != main_#t~nondet32#1);havoc main_#t~nondet32#1;assume -2147483648 <= main_#t~nondet33#1 && main_#t~nondet33#1 <= 2147483647; {30510#(<= |ULTIMATE.start_main_~this_expect~0#1| 1)} is VALID [2022-02-20 16:07:49,371 INFO L290 TraceCheckUtils]: 34: Hoare triple {30510#(<= |ULTIMATE.start_main_~this_expect~0#1| 1)} assume !(0 != main_#t~nondet33#1);havoc main_#t~nondet33#1;assume -2147483648 <= main_#t~nondet34#1 && main_#t~nondet34#1 <= 2147483647; {30510#(<= |ULTIMATE.start_main_~this_expect~0#1| 1)} is VALID [2022-02-20 16:07:49,371 INFO L290 TraceCheckUtils]: 35: Hoare triple {30510#(<= |ULTIMATE.start_main_~this_expect~0#1| 1)} assume !(0 != main_#t~nondet34#1);havoc main_#t~nondet34#1;assume -2147483648 <= main_#t~nondet35#1 && main_#t~nondet35#1 <= 2147483647; {30510#(<= |ULTIMATE.start_main_~this_expect~0#1| 1)} is VALID [2022-02-20 16:07:49,372 INFO L290 TraceCheckUtils]: 36: Hoare triple {30510#(<= |ULTIMATE.start_main_~this_expect~0#1| 1)} assume 0 != main_#t~nondet35#1;havoc main_#t~nondet35#1; {30510#(<= |ULTIMATE.start_main_~this_expect~0#1| 1)} is VALID [2022-02-20 16:07:49,372 INFO L290 TraceCheckUtils]: 37: Hoare triple {30510#(<= |ULTIMATE.start_main_~this_expect~0#1| 1)} assume 0 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2) && !(1 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2) && 0 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2));main_~method_id~0#1 := 5; {30510#(<= |ULTIMATE.start_main_~this_expect~0#1| 1)} is VALID [2022-02-20 16:07:49,373 INFO L290 TraceCheckUtils]: 38: Hoare triple {30510#(<= |ULTIMATE.start_main_~this_expect~0#1| 1)} assume !(((((if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2) != (if main_~this_expect~0#1 < 0 && 0 != main_~this_expect~0#1 % 2 then main_~this_expect~0#1 % 2 - 2 else main_~this_expect~0#1 % 2) && 1 == main_~this_buffer_empty~0#1) && 0 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2)) && 0 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2) && !(1 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2) && 0 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2))) || ((1 != main_~this_buffer_empty~0#1 && 0 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2)) && 0 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2) && !(1 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2) && 0 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2))));main_~q~0#1 := 5;main_~this_expect~0#1 := 1 + main_~this_expect~0#1;main_~this_buffer_empty~0#1 := 1 - main_~this_buffer_empty~0#1; {30511#(<= |ULTIMATE.start_main_~this_expect~0#1| 2)} is VALID [2022-02-20 16:07:49,373 INFO L290 TraceCheckUtils]: 39: Hoare triple {30511#(<= |ULTIMATE.start_main_~this_expect~0#1| 2)} assume !false;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_~P1~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647;main_~P2~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647;main_~P3~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;assume -2147483648 <= main_#t~nondet7#1 && main_#t~nondet7#1 <= 2147483647;main_~P4~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;assume -2147483648 <= main_#t~nondet8#1 && main_#t~nondet8#1 <= 2147483647;main_~P5~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647;main_~P6~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1;assume -2147483648 <= main_#t~nondet10#1 && main_#t~nondet10#1 <= 2147483647;main_~P7~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;assume -2147483648 <= main_#t~nondet11#1 && main_#t~nondet11#1 <= 2147483647;main_~P8~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;assume -2147483648 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 2147483647;main_~P9~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; {30511#(<= |ULTIMATE.start_main_~this_expect~0#1| 2)} is VALID [2022-02-20 16:07:49,373 INFO L290 TraceCheckUtils]: 40: Hoare triple {30511#(<= |ULTIMATE.start_main_~this_expect~0#1| 2)} assume !(main_~this_expect~0#1 > 16); {30511#(<= |ULTIMATE.start_main_~this_expect~0#1| 2)} is VALID [2022-02-20 16:07:49,374 INFO L290 TraceCheckUtils]: 41: Hoare triple {30511#(<= |ULTIMATE.start_main_~this_expect~0#1| 2)} assume !(0 == main_~q~0#1); {30511#(<= |ULTIMATE.start_main_~this_expect~0#1| 2)} is VALID [2022-02-20 16:07:49,374 INFO L290 TraceCheckUtils]: 42: Hoare triple {30511#(<= |ULTIMATE.start_main_~this_expect~0#1| 2)} assume !(1 == main_~q~0#1); {30511#(<= |ULTIMATE.start_main_~this_expect~0#1| 2)} is VALID [2022-02-20 16:07:49,374 INFO L290 TraceCheckUtils]: 43: Hoare triple {30511#(<= |ULTIMATE.start_main_~this_expect~0#1| 2)} assume !(2 == main_~q~0#1); {30511#(<= |ULTIMATE.start_main_~this_expect~0#1| 2)} is VALID [2022-02-20 16:07:49,374 INFO L290 TraceCheckUtils]: 44: Hoare triple {30511#(<= |ULTIMATE.start_main_~this_expect~0#1| 2)} assume !(3 == main_~q~0#1); {30511#(<= |ULTIMATE.start_main_~this_expect~0#1| 2)} is VALID [2022-02-20 16:07:49,375 INFO L290 TraceCheckUtils]: 45: Hoare triple {30511#(<= |ULTIMATE.start_main_~this_expect~0#1| 2)} assume !(4 == main_~q~0#1); {30511#(<= |ULTIMATE.start_main_~this_expect~0#1| 2)} is VALID [2022-02-20 16:07:49,375 INFO L290 TraceCheckUtils]: 46: Hoare triple {30511#(<= |ULTIMATE.start_main_~this_expect~0#1| 2)} assume 5 == main_~q~0#1;assume -2147483648 <= main_#t~nondet38#1 && main_#t~nondet38#1 <= 2147483647; {30511#(<= |ULTIMATE.start_main_~this_expect~0#1| 2)} is VALID [2022-02-20 16:07:49,375 INFO L290 TraceCheckUtils]: 47: Hoare triple {30511#(<= |ULTIMATE.start_main_~this_expect~0#1| 2)} assume !(0 != main_#t~nondet38#1);havoc main_#t~nondet38#1;assume -2147483648 <= main_#t~nondet39#1 && main_#t~nondet39#1 <= 2147483647; {30511#(<= |ULTIMATE.start_main_~this_expect~0#1| 2)} is VALID [2022-02-20 16:07:49,376 INFO L290 TraceCheckUtils]: 48: Hoare triple {30511#(<= |ULTIMATE.start_main_~this_expect~0#1| 2)} assume !(0 != main_#t~nondet39#1);havoc main_#t~nondet39#1;assume -2147483648 <= main_#t~nondet40#1 && main_#t~nondet40#1 <= 2147483647; {30511#(<= |ULTIMATE.start_main_~this_expect~0#1| 2)} is VALID [2022-02-20 16:07:49,376 INFO L290 TraceCheckUtils]: 49: Hoare triple {30511#(<= |ULTIMATE.start_main_~this_expect~0#1| 2)} assume !(0 != main_#t~nondet40#1);havoc main_#t~nondet40#1;assume -2147483648 <= main_#t~nondet41#1 && main_#t~nondet41#1 <= 2147483647; {30511#(<= |ULTIMATE.start_main_~this_expect~0#1| 2)} is VALID [2022-02-20 16:07:49,376 INFO L290 TraceCheckUtils]: 50: Hoare triple {30511#(<= |ULTIMATE.start_main_~this_expect~0#1| 2)} assume !(0 != main_#t~nondet41#1);havoc main_#t~nondet41#1;assume -2147483648 <= main_#t~nondet42#1 && main_#t~nondet42#1 <= 2147483647; {30511#(<= |ULTIMATE.start_main_~this_expect~0#1| 2)} is VALID [2022-02-20 16:07:49,376 INFO L290 TraceCheckUtils]: 51: Hoare triple {30511#(<= |ULTIMATE.start_main_~this_expect~0#1| 2)} assume !(0 != main_#t~nondet42#1);havoc main_#t~nondet42#1;assume -2147483648 <= main_#t~nondet43#1 && main_#t~nondet43#1 <= 2147483647; {30511#(<= |ULTIMATE.start_main_~this_expect~0#1| 2)} is VALID [2022-02-20 16:07:49,377 INFO L290 TraceCheckUtils]: 52: Hoare triple {30511#(<= |ULTIMATE.start_main_~this_expect~0#1| 2)} assume 0 != main_#t~nondet43#1;havoc main_#t~nondet43#1; {30511#(<= |ULTIMATE.start_main_~this_expect~0#1| 2)} is VALID [2022-02-20 16:07:49,377 INFO L290 TraceCheckUtils]: 53: Hoare triple {30511#(<= |ULTIMATE.start_main_~this_expect~0#1| 2)} assume 0 != main_~P1~0#1 && !(1 != main_~P1~0#1 && 0 != main_~P1~0#1);main_~method_id~0#1 := 7; {30511#(<= |ULTIMATE.start_main_~this_expect~0#1| 2)} is VALID [2022-02-20 16:07:49,377 INFO L290 TraceCheckUtils]: 54: Hoare triple {30511#(<= |ULTIMATE.start_main_~this_expect~0#1| 2)} assume !(((1 == main_~this_buffer_empty~0#1 && 0 != main_~P9~0#1) && 0 != main_~P9~0#1 && !(1 != main_~P9~0#1 && 0 != main_~P9~0#1)) || (((main_~P9~0#1 != (if main_~this_expect~0#1 - 1 < 0 && 0 != (main_~this_expect~0#1 - 1) % 2 then (main_~this_expect~0#1 - 1) % 2 - 2 else (main_~this_expect~0#1 - 1) % 2) && 1 != main_~this_buffer_empty~0#1) && 0 != main_~P9~0#1) && 0 != main_~P9~0#1 && !(1 != main_~P9~0#1 && 0 != main_~P9~0#1)));main_~q~0#1 := 1;main_~this_expect~0#1 := main_~this_expect~0#1;main_~this_buffer_empty~0#1 := 1 - main_~this_buffer_empty~0#1; {30511#(<= |ULTIMATE.start_main_~this_expect~0#1| 2)} is VALID [2022-02-20 16:07:49,378 INFO L290 TraceCheckUtils]: 55: Hoare triple {30511#(<= |ULTIMATE.start_main_~this_expect~0#1| 2)} assume !false;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_~P1~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647;main_~P2~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647;main_~P3~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;assume -2147483648 <= main_#t~nondet7#1 && main_#t~nondet7#1 <= 2147483647;main_~P4~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;assume -2147483648 <= main_#t~nondet8#1 && main_#t~nondet8#1 <= 2147483647;main_~P5~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647;main_~P6~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1;assume -2147483648 <= main_#t~nondet10#1 && main_#t~nondet10#1 <= 2147483647;main_~P7~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;assume -2147483648 <= main_#t~nondet11#1 && main_#t~nondet11#1 <= 2147483647;main_~P8~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;assume -2147483648 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 2147483647;main_~P9~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; {30511#(<= |ULTIMATE.start_main_~this_expect~0#1| 2)} is VALID [2022-02-20 16:07:49,378 INFO L290 TraceCheckUtils]: 56: Hoare triple {30511#(<= |ULTIMATE.start_main_~this_expect~0#1| 2)} assume !(main_~this_expect~0#1 > 16); {30511#(<= |ULTIMATE.start_main_~this_expect~0#1| 2)} is VALID [2022-02-20 16:07:49,378 INFO L290 TraceCheckUtils]: 57: Hoare triple {30511#(<= |ULTIMATE.start_main_~this_expect~0#1| 2)} assume !(0 == main_~q~0#1); {30511#(<= |ULTIMATE.start_main_~this_expect~0#1| 2)} is VALID [2022-02-20 16:07:49,379 INFO L290 TraceCheckUtils]: 58: Hoare triple {30511#(<= |ULTIMATE.start_main_~this_expect~0#1| 2)} assume 1 == main_~q~0#1;assume -2147483648 <= main_#t~nondet14#1 && main_#t~nondet14#1 <= 2147483647; {30511#(<= |ULTIMATE.start_main_~this_expect~0#1| 2)} is VALID [2022-02-20 16:07:49,379 INFO L290 TraceCheckUtils]: 59: Hoare triple {30511#(<= |ULTIMATE.start_main_~this_expect~0#1| 2)} assume 0 != main_#t~nondet14#1;havoc main_#t~nondet14#1; {30511#(<= |ULTIMATE.start_main_~this_expect~0#1| 2)} is VALID [2022-02-20 16:07:49,379 INFO L290 TraceCheckUtils]: 60: Hoare triple {30511#(<= |ULTIMATE.start_main_~this_expect~0#1| 2)} assume !(0 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2));main_~method_id~0#1 := 2; {30511#(<= |ULTIMATE.start_main_~this_expect~0#1| 2)} is VALID [2022-02-20 16:07:49,380 INFO L290 TraceCheckUtils]: 61: Hoare triple {30511#(<= |ULTIMATE.start_main_~this_expect~0#1| 2)} assume !((((if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2) != (if main_~this_expect~0#1 < 0 && 0 != main_~this_expect~0#1 % 2 then main_~this_expect~0#1 % 2 - 2 else main_~this_expect~0#1 % 2) && 1 == main_~this_buffer_empty~0#1) && !(0 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2))) || (1 != main_~this_buffer_empty~0#1 && !(0 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2))));main_~q~0#1 := 3;main_~this_expect~0#1 := 1 + main_~this_expect~0#1;main_~this_buffer_empty~0#1 := 1 - main_~this_buffer_empty~0#1; {30512#(<= |ULTIMATE.start_main_~this_expect~0#1| 3)} is VALID [2022-02-20 16:07:49,380 INFO L290 TraceCheckUtils]: 62: Hoare triple {30512#(<= |ULTIMATE.start_main_~this_expect~0#1| 3)} assume !false;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_~P1~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647;main_~P2~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647;main_~P3~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;assume -2147483648 <= main_#t~nondet7#1 && main_#t~nondet7#1 <= 2147483647;main_~P4~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;assume -2147483648 <= main_#t~nondet8#1 && main_#t~nondet8#1 <= 2147483647;main_~P5~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647;main_~P6~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1;assume -2147483648 <= main_#t~nondet10#1 && main_#t~nondet10#1 <= 2147483647;main_~P7~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;assume -2147483648 <= main_#t~nondet11#1 && main_#t~nondet11#1 <= 2147483647;main_~P8~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;assume -2147483648 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 2147483647;main_~P9~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; {30512#(<= |ULTIMATE.start_main_~this_expect~0#1| 3)} is VALID [2022-02-20 16:07:49,380 INFO L290 TraceCheckUtils]: 63: Hoare triple {30512#(<= |ULTIMATE.start_main_~this_expect~0#1| 3)} assume !(main_~this_expect~0#1 > 16); {30512#(<= |ULTIMATE.start_main_~this_expect~0#1| 3)} is VALID [2022-02-20 16:07:49,381 INFO L290 TraceCheckUtils]: 64: Hoare triple {30512#(<= |ULTIMATE.start_main_~this_expect~0#1| 3)} assume !(0 == main_~q~0#1); {30512#(<= |ULTIMATE.start_main_~this_expect~0#1| 3)} is VALID [2022-02-20 16:07:49,381 INFO L290 TraceCheckUtils]: 65: Hoare triple {30512#(<= |ULTIMATE.start_main_~this_expect~0#1| 3)} assume !(1 == main_~q~0#1); {30512#(<= |ULTIMATE.start_main_~this_expect~0#1| 3)} is VALID [2022-02-20 16:07:49,381 INFO L290 TraceCheckUtils]: 66: Hoare triple {30512#(<= |ULTIMATE.start_main_~this_expect~0#1| 3)} assume !(2 == main_~q~0#1); {30512#(<= |ULTIMATE.start_main_~this_expect~0#1| 3)} is VALID [2022-02-20 16:07:49,382 INFO L290 TraceCheckUtils]: 67: Hoare triple {30512#(<= |ULTIMATE.start_main_~this_expect~0#1| 3)} assume 3 == main_~q~0#1;assume -2147483648 <= main_#t~nondet26#1 && main_#t~nondet26#1 <= 2147483647; {30512#(<= |ULTIMATE.start_main_~this_expect~0#1| 3)} is VALID [2022-02-20 16:07:49,382 INFO L290 TraceCheckUtils]: 68: Hoare triple {30512#(<= |ULTIMATE.start_main_~this_expect~0#1| 3)} assume !(0 != main_#t~nondet26#1);havoc main_#t~nondet26#1;assume -2147483648 <= main_#t~nondet27#1 && main_#t~nondet27#1 <= 2147483647; {30512#(<= |ULTIMATE.start_main_~this_expect~0#1| 3)} is VALID [2022-02-20 16:07:49,382 INFO L290 TraceCheckUtils]: 69: Hoare triple {30512#(<= |ULTIMATE.start_main_~this_expect~0#1| 3)} assume 0 != main_#t~nondet27#1;havoc main_#t~nondet27#1; {30512#(<= |ULTIMATE.start_main_~this_expect~0#1| 3)} is VALID [2022-02-20 16:07:49,382 INFO L290 TraceCheckUtils]: 70: Hoare triple {30512#(<= |ULTIMATE.start_main_~this_expect~0#1| 3)} assume !(0 != main_~P1~0#1);main_~method_id~0#1 := 3; {30512#(<= |ULTIMATE.start_main_~this_expect~0#1| 3)} is VALID [2022-02-20 16:07:49,383 INFO L290 TraceCheckUtils]: 71: Hoare triple {30512#(<= |ULTIMATE.start_main_~this_expect~0#1| 3)} assume !((1 == main_~this_buffer_empty~0#1 && !(0 != main_~P3~0#1)) || ((main_~P3~0#1 != (if main_~this_expect~0#1 - 1 < 0 && 0 != (main_~this_expect~0#1 - 1) % 2 then (main_~this_expect~0#1 - 1) % 2 - 2 else (main_~this_expect~0#1 - 1) % 2) && 1 != main_~this_buffer_empty~0#1) && !(0 != main_~P3~0#1)));main_~q~0#1 := 4;main_~this_expect~0#1 := main_~this_expect~0#1;main_~this_buffer_empty~0#1 := 1 - main_~this_buffer_empty~0#1; {30512#(<= |ULTIMATE.start_main_~this_expect~0#1| 3)} is VALID [2022-02-20 16:07:49,383 INFO L290 TraceCheckUtils]: 72: Hoare triple {30512#(<= |ULTIMATE.start_main_~this_expect~0#1| 3)} assume !false;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_~P1~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647;main_~P2~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647;main_~P3~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;assume -2147483648 <= main_#t~nondet7#1 && main_#t~nondet7#1 <= 2147483647;main_~P4~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;assume -2147483648 <= main_#t~nondet8#1 && main_#t~nondet8#1 <= 2147483647;main_~P5~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647;main_~P6~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1;assume -2147483648 <= main_#t~nondet10#1 && main_#t~nondet10#1 <= 2147483647;main_~P7~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;assume -2147483648 <= main_#t~nondet11#1 && main_#t~nondet11#1 <= 2147483647;main_~P8~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;assume -2147483648 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 2147483647;main_~P9~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; {30512#(<= |ULTIMATE.start_main_~this_expect~0#1| 3)} is VALID [2022-02-20 16:07:49,383 INFO L290 TraceCheckUtils]: 73: Hoare triple {30512#(<= |ULTIMATE.start_main_~this_expect~0#1| 3)} assume !(main_~this_expect~0#1 > 16); {30512#(<= |ULTIMATE.start_main_~this_expect~0#1| 3)} is VALID [2022-02-20 16:07:49,384 INFO L290 TraceCheckUtils]: 74: Hoare triple {30512#(<= |ULTIMATE.start_main_~this_expect~0#1| 3)} assume !(0 == main_~q~0#1); {30512#(<= |ULTIMATE.start_main_~this_expect~0#1| 3)} is VALID [2022-02-20 16:07:49,384 INFO L290 TraceCheckUtils]: 75: Hoare triple {30512#(<= |ULTIMATE.start_main_~this_expect~0#1| 3)} assume !(1 == main_~q~0#1); {30512#(<= |ULTIMATE.start_main_~this_expect~0#1| 3)} is VALID [2022-02-20 16:07:49,384 INFO L290 TraceCheckUtils]: 76: Hoare triple {30512#(<= |ULTIMATE.start_main_~this_expect~0#1| 3)} assume !(2 == main_~q~0#1); {30512#(<= |ULTIMATE.start_main_~this_expect~0#1| 3)} is VALID [2022-02-20 16:07:49,385 INFO L290 TraceCheckUtils]: 77: Hoare triple {30512#(<= |ULTIMATE.start_main_~this_expect~0#1| 3)} assume !(3 == main_~q~0#1); {30512#(<= |ULTIMATE.start_main_~this_expect~0#1| 3)} is VALID [2022-02-20 16:07:49,385 INFO L290 TraceCheckUtils]: 78: Hoare triple {30512#(<= |ULTIMATE.start_main_~this_expect~0#1| 3)} assume 4 == main_~q~0#1;assume -2147483648 <= main_#t~nondet32#1 && main_#t~nondet32#1 <= 2147483647; {30512#(<= |ULTIMATE.start_main_~this_expect~0#1| 3)} is VALID [2022-02-20 16:07:49,385 INFO L290 TraceCheckUtils]: 79: Hoare triple {30512#(<= |ULTIMATE.start_main_~this_expect~0#1| 3)} assume !(0 != main_#t~nondet32#1);havoc main_#t~nondet32#1;assume -2147483648 <= main_#t~nondet33#1 && main_#t~nondet33#1 <= 2147483647; {30512#(<= |ULTIMATE.start_main_~this_expect~0#1| 3)} is VALID [2022-02-20 16:07:49,385 INFO L290 TraceCheckUtils]: 80: Hoare triple {30512#(<= |ULTIMATE.start_main_~this_expect~0#1| 3)} assume !(0 != main_#t~nondet33#1);havoc main_#t~nondet33#1;assume -2147483648 <= main_#t~nondet34#1 && main_#t~nondet34#1 <= 2147483647; {30512#(<= |ULTIMATE.start_main_~this_expect~0#1| 3)} is VALID [2022-02-20 16:07:49,386 INFO L290 TraceCheckUtils]: 81: Hoare triple {30512#(<= |ULTIMATE.start_main_~this_expect~0#1| 3)} assume !(0 != main_#t~nondet34#1);havoc main_#t~nondet34#1;assume -2147483648 <= main_#t~nondet35#1 && main_#t~nondet35#1 <= 2147483647; {30512#(<= |ULTIMATE.start_main_~this_expect~0#1| 3)} is VALID [2022-02-20 16:07:49,386 INFO L290 TraceCheckUtils]: 82: Hoare triple {30512#(<= |ULTIMATE.start_main_~this_expect~0#1| 3)} assume 0 != main_#t~nondet35#1;havoc main_#t~nondet35#1; {30512#(<= |ULTIMATE.start_main_~this_expect~0#1| 3)} is VALID [2022-02-20 16:07:49,386 INFO L290 TraceCheckUtils]: 83: Hoare triple {30512#(<= |ULTIMATE.start_main_~this_expect~0#1| 3)} assume 0 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2) && !(1 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2) && 0 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2));main_~method_id~0#1 := 5; {30512#(<= |ULTIMATE.start_main_~this_expect~0#1| 3)} is VALID [2022-02-20 16:07:49,387 INFO L290 TraceCheckUtils]: 84: Hoare triple {30512#(<= |ULTIMATE.start_main_~this_expect~0#1| 3)} assume !(((((if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2) != (if main_~this_expect~0#1 < 0 && 0 != main_~this_expect~0#1 % 2 then main_~this_expect~0#1 % 2 - 2 else main_~this_expect~0#1 % 2) && 1 == main_~this_buffer_empty~0#1) && 0 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2)) && 0 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2) && !(1 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2) && 0 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2))) || ((1 != main_~this_buffer_empty~0#1 && 0 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2)) && 0 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2) && !(1 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2) && 0 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2))));main_~q~0#1 := 5;main_~this_expect~0#1 := 1 + main_~this_expect~0#1;main_~this_buffer_empty~0#1 := 1 - main_~this_buffer_empty~0#1; {30513#(<= |ULTIMATE.start_main_~this_expect~0#1| 4)} is VALID [2022-02-20 16:07:49,387 INFO L290 TraceCheckUtils]: 85: Hoare triple {30513#(<= |ULTIMATE.start_main_~this_expect~0#1| 4)} assume !false;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_~P1~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647;main_~P2~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647;main_~P3~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;assume -2147483648 <= main_#t~nondet7#1 && main_#t~nondet7#1 <= 2147483647;main_~P4~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;assume -2147483648 <= main_#t~nondet8#1 && main_#t~nondet8#1 <= 2147483647;main_~P5~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647;main_~P6~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1;assume -2147483648 <= main_#t~nondet10#1 && main_#t~nondet10#1 <= 2147483647;main_~P7~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;assume -2147483648 <= main_#t~nondet11#1 && main_#t~nondet11#1 <= 2147483647;main_~P8~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;assume -2147483648 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 2147483647;main_~P9~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; {30513#(<= |ULTIMATE.start_main_~this_expect~0#1| 4)} is VALID [2022-02-20 16:07:49,388 INFO L290 TraceCheckUtils]: 86: Hoare triple {30513#(<= |ULTIMATE.start_main_~this_expect~0#1| 4)} assume !(main_~this_expect~0#1 > 16); {30513#(<= |ULTIMATE.start_main_~this_expect~0#1| 4)} is VALID [2022-02-20 16:07:49,388 INFO L290 TraceCheckUtils]: 87: Hoare triple {30513#(<= |ULTIMATE.start_main_~this_expect~0#1| 4)} assume !(0 == main_~q~0#1); {30513#(<= |ULTIMATE.start_main_~this_expect~0#1| 4)} is VALID [2022-02-20 16:07:49,388 INFO L290 TraceCheckUtils]: 88: Hoare triple {30513#(<= |ULTIMATE.start_main_~this_expect~0#1| 4)} assume !(1 == main_~q~0#1); {30513#(<= |ULTIMATE.start_main_~this_expect~0#1| 4)} is VALID [2022-02-20 16:07:49,388 INFO L290 TraceCheckUtils]: 89: Hoare triple {30513#(<= |ULTIMATE.start_main_~this_expect~0#1| 4)} assume !(2 == main_~q~0#1); {30513#(<= |ULTIMATE.start_main_~this_expect~0#1| 4)} is VALID [2022-02-20 16:07:49,389 INFO L290 TraceCheckUtils]: 90: Hoare triple {30513#(<= |ULTIMATE.start_main_~this_expect~0#1| 4)} assume !(3 == main_~q~0#1); {30513#(<= |ULTIMATE.start_main_~this_expect~0#1| 4)} is VALID [2022-02-20 16:07:49,389 INFO L290 TraceCheckUtils]: 91: Hoare triple {30513#(<= |ULTIMATE.start_main_~this_expect~0#1| 4)} assume !(4 == main_~q~0#1); {30513#(<= |ULTIMATE.start_main_~this_expect~0#1| 4)} is VALID [2022-02-20 16:07:49,389 INFO L290 TraceCheckUtils]: 92: Hoare triple {30513#(<= |ULTIMATE.start_main_~this_expect~0#1| 4)} assume 5 == main_~q~0#1;assume -2147483648 <= main_#t~nondet38#1 && main_#t~nondet38#1 <= 2147483647; {30513#(<= |ULTIMATE.start_main_~this_expect~0#1| 4)} is VALID [2022-02-20 16:07:49,390 INFO L290 TraceCheckUtils]: 93: Hoare triple {30513#(<= |ULTIMATE.start_main_~this_expect~0#1| 4)} assume !(0 != main_#t~nondet38#1);havoc main_#t~nondet38#1;assume -2147483648 <= main_#t~nondet39#1 && main_#t~nondet39#1 <= 2147483647; {30513#(<= |ULTIMATE.start_main_~this_expect~0#1| 4)} is VALID [2022-02-20 16:07:49,390 INFO L290 TraceCheckUtils]: 94: Hoare triple {30513#(<= |ULTIMATE.start_main_~this_expect~0#1| 4)} assume !(0 != main_#t~nondet39#1);havoc main_#t~nondet39#1;assume -2147483648 <= main_#t~nondet40#1 && main_#t~nondet40#1 <= 2147483647; {30513#(<= |ULTIMATE.start_main_~this_expect~0#1| 4)} is VALID [2022-02-20 16:07:49,390 INFO L290 TraceCheckUtils]: 95: Hoare triple {30513#(<= |ULTIMATE.start_main_~this_expect~0#1| 4)} assume !(0 != main_#t~nondet40#1);havoc main_#t~nondet40#1;assume -2147483648 <= main_#t~nondet41#1 && main_#t~nondet41#1 <= 2147483647; {30513#(<= |ULTIMATE.start_main_~this_expect~0#1| 4)} is VALID [2022-02-20 16:07:49,390 INFO L290 TraceCheckUtils]: 96: Hoare triple {30513#(<= |ULTIMATE.start_main_~this_expect~0#1| 4)} assume !(0 != main_#t~nondet41#1);havoc main_#t~nondet41#1;assume -2147483648 <= main_#t~nondet42#1 && main_#t~nondet42#1 <= 2147483647; {30513#(<= |ULTIMATE.start_main_~this_expect~0#1| 4)} is VALID [2022-02-20 16:07:49,391 INFO L290 TraceCheckUtils]: 97: Hoare triple {30513#(<= |ULTIMATE.start_main_~this_expect~0#1| 4)} assume !(0 != main_#t~nondet42#1);havoc main_#t~nondet42#1;assume -2147483648 <= main_#t~nondet43#1 && main_#t~nondet43#1 <= 2147483647; {30513#(<= |ULTIMATE.start_main_~this_expect~0#1| 4)} is VALID [2022-02-20 16:07:49,391 INFO L290 TraceCheckUtils]: 98: Hoare triple {30513#(<= |ULTIMATE.start_main_~this_expect~0#1| 4)} assume 0 != main_#t~nondet43#1;havoc main_#t~nondet43#1; {30513#(<= |ULTIMATE.start_main_~this_expect~0#1| 4)} is VALID [2022-02-20 16:07:49,391 INFO L290 TraceCheckUtils]: 99: Hoare triple {30513#(<= |ULTIMATE.start_main_~this_expect~0#1| 4)} assume 0 != main_~P1~0#1 && !(1 != main_~P1~0#1 && 0 != main_~P1~0#1);main_~method_id~0#1 := 7; {30513#(<= |ULTIMATE.start_main_~this_expect~0#1| 4)} is VALID [2022-02-20 16:07:49,392 INFO L290 TraceCheckUtils]: 100: Hoare triple {30513#(<= |ULTIMATE.start_main_~this_expect~0#1| 4)} assume !(((1 == main_~this_buffer_empty~0#1 && 0 != main_~P9~0#1) && 0 != main_~P9~0#1 && !(1 != main_~P9~0#1 && 0 != main_~P9~0#1)) || (((main_~P9~0#1 != (if main_~this_expect~0#1 - 1 < 0 && 0 != (main_~this_expect~0#1 - 1) % 2 then (main_~this_expect~0#1 - 1) % 2 - 2 else (main_~this_expect~0#1 - 1) % 2) && 1 != main_~this_buffer_empty~0#1) && 0 != main_~P9~0#1) && 0 != main_~P9~0#1 && !(1 != main_~P9~0#1 && 0 != main_~P9~0#1)));main_~q~0#1 := 1;main_~this_expect~0#1 := main_~this_expect~0#1;main_~this_buffer_empty~0#1 := 1 - main_~this_buffer_empty~0#1; {30513#(<= |ULTIMATE.start_main_~this_expect~0#1| 4)} is VALID [2022-02-20 16:07:49,392 INFO L290 TraceCheckUtils]: 101: Hoare triple {30513#(<= |ULTIMATE.start_main_~this_expect~0#1| 4)} assume !false;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_~P1~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647;main_~P2~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647;main_~P3~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;assume -2147483648 <= main_#t~nondet7#1 && main_#t~nondet7#1 <= 2147483647;main_~P4~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;assume -2147483648 <= main_#t~nondet8#1 && main_#t~nondet8#1 <= 2147483647;main_~P5~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647;main_~P6~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1;assume -2147483648 <= main_#t~nondet10#1 && main_#t~nondet10#1 <= 2147483647;main_~P7~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;assume -2147483648 <= main_#t~nondet11#1 && main_#t~nondet11#1 <= 2147483647;main_~P8~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;assume -2147483648 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 2147483647;main_~P9~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; {30513#(<= |ULTIMATE.start_main_~this_expect~0#1| 4)} is VALID [2022-02-20 16:07:49,392 INFO L290 TraceCheckUtils]: 102: Hoare triple {30513#(<= |ULTIMATE.start_main_~this_expect~0#1| 4)} assume !(main_~this_expect~0#1 > 16); {30513#(<= |ULTIMATE.start_main_~this_expect~0#1| 4)} is VALID [2022-02-20 16:07:49,393 INFO L290 TraceCheckUtils]: 103: Hoare triple {30513#(<= |ULTIMATE.start_main_~this_expect~0#1| 4)} assume !(0 == main_~q~0#1); {30513#(<= |ULTIMATE.start_main_~this_expect~0#1| 4)} is VALID [2022-02-20 16:07:49,393 INFO L290 TraceCheckUtils]: 104: Hoare triple {30513#(<= |ULTIMATE.start_main_~this_expect~0#1| 4)} assume 1 == main_~q~0#1;assume -2147483648 <= main_#t~nondet14#1 && main_#t~nondet14#1 <= 2147483647; {30513#(<= |ULTIMATE.start_main_~this_expect~0#1| 4)} is VALID [2022-02-20 16:07:49,393 INFO L290 TraceCheckUtils]: 105: Hoare triple {30513#(<= |ULTIMATE.start_main_~this_expect~0#1| 4)} assume 0 != main_#t~nondet14#1;havoc main_#t~nondet14#1; {30513#(<= |ULTIMATE.start_main_~this_expect~0#1| 4)} is VALID [2022-02-20 16:07:49,394 INFO L290 TraceCheckUtils]: 106: Hoare triple {30513#(<= |ULTIMATE.start_main_~this_expect~0#1| 4)} assume !(0 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2));main_~method_id~0#1 := 2; {30513#(<= |ULTIMATE.start_main_~this_expect~0#1| 4)} is VALID [2022-02-20 16:07:49,394 INFO L290 TraceCheckUtils]: 107: Hoare triple {30513#(<= |ULTIMATE.start_main_~this_expect~0#1| 4)} assume !((((if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2) != (if main_~this_expect~0#1 < 0 && 0 != main_~this_expect~0#1 % 2 then main_~this_expect~0#1 % 2 - 2 else main_~this_expect~0#1 % 2) && 1 == main_~this_buffer_empty~0#1) && !(0 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2))) || (1 != main_~this_buffer_empty~0#1 && !(0 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2))));main_~q~0#1 := 3;main_~this_expect~0#1 := 1 + main_~this_expect~0#1;main_~this_buffer_empty~0#1 := 1 - main_~this_buffer_empty~0#1; {30514#(<= |ULTIMATE.start_main_~this_expect~0#1| 5)} is VALID [2022-02-20 16:07:49,394 INFO L290 TraceCheckUtils]: 108: Hoare triple {30514#(<= |ULTIMATE.start_main_~this_expect~0#1| 5)} assume !false;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_~P1~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647;main_~P2~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647;main_~P3~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;assume -2147483648 <= main_#t~nondet7#1 && main_#t~nondet7#1 <= 2147483647;main_~P4~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;assume -2147483648 <= main_#t~nondet8#1 && main_#t~nondet8#1 <= 2147483647;main_~P5~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647;main_~P6~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1;assume -2147483648 <= main_#t~nondet10#1 && main_#t~nondet10#1 <= 2147483647;main_~P7~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;assume -2147483648 <= main_#t~nondet11#1 && main_#t~nondet11#1 <= 2147483647;main_~P8~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;assume -2147483648 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 2147483647;main_~P9~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; {30514#(<= |ULTIMATE.start_main_~this_expect~0#1| 5)} is VALID [2022-02-20 16:07:49,395 INFO L290 TraceCheckUtils]: 109: Hoare triple {30514#(<= |ULTIMATE.start_main_~this_expect~0#1| 5)} assume !(main_~this_expect~0#1 > 16); {30514#(<= |ULTIMATE.start_main_~this_expect~0#1| 5)} is VALID [2022-02-20 16:07:49,395 INFO L290 TraceCheckUtils]: 110: Hoare triple {30514#(<= |ULTIMATE.start_main_~this_expect~0#1| 5)} assume !(0 == main_~q~0#1); {30514#(<= |ULTIMATE.start_main_~this_expect~0#1| 5)} is VALID [2022-02-20 16:07:49,395 INFO L290 TraceCheckUtils]: 111: Hoare triple {30514#(<= |ULTIMATE.start_main_~this_expect~0#1| 5)} assume !(1 == main_~q~0#1); {30514#(<= |ULTIMATE.start_main_~this_expect~0#1| 5)} is VALID [2022-02-20 16:07:49,396 INFO L290 TraceCheckUtils]: 112: Hoare triple {30514#(<= |ULTIMATE.start_main_~this_expect~0#1| 5)} assume !(2 == main_~q~0#1); {30514#(<= |ULTIMATE.start_main_~this_expect~0#1| 5)} is VALID [2022-02-20 16:07:49,396 INFO L290 TraceCheckUtils]: 113: Hoare triple {30514#(<= |ULTIMATE.start_main_~this_expect~0#1| 5)} assume 3 == main_~q~0#1;assume -2147483648 <= main_#t~nondet26#1 && main_#t~nondet26#1 <= 2147483647; {30514#(<= |ULTIMATE.start_main_~this_expect~0#1| 5)} is VALID [2022-02-20 16:07:49,396 INFO L290 TraceCheckUtils]: 114: Hoare triple {30514#(<= |ULTIMATE.start_main_~this_expect~0#1| 5)} assume !(0 != main_#t~nondet26#1);havoc main_#t~nondet26#1;assume -2147483648 <= main_#t~nondet27#1 && main_#t~nondet27#1 <= 2147483647; {30514#(<= |ULTIMATE.start_main_~this_expect~0#1| 5)} is VALID [2022-02-20 16:07:49,396 INFO L290 TraceCheckUtils]: 115: Hoare triple {30514#(<= |ULTIMATE.start_main_~this_expect~0#1| 5)} assume 0 != main_#t~nondet27#1;havoc main_#t~nondet27#1; {30514#(<= |ULTIMATE.start_main_~this_expect~0#1| 5)} is VALID [2022-02-20 16:07:49,397 INFO L290 TraceCheckUtils]: 116: Hoare triple {30514#(<= |ULTIMATE.start_main_~this_expect~0#1| 5)} assume !(0 != main_~P1~0#1);main_~method_id~0#1 := 3; {30514#(<= |ULTIMATE.start_main_~this_expect~0#1| 5)} is VALID [2022-02-20 16:07:49,397 INFO L290 TraceCheckUtils]: 117: Hoare triple {30514#(<= |ULTIMATE.start_main_~this_expect~0#1| 5)} assume !((1 == main_~this_buffer_empty~0#1 && !(0 != main_~P3~0#1)) || ((main_~P3~0#1 != (if main_~this_expect~0#1 - 1 < 0 && 0 != (main_~this_expect~0#1 - 1) % 2 then (main_~this_expect~0#1 - 1) % 2 - 2 else (main_~this_expect~0#1 - 1) % 2) && 1 != main_~this_buffer_empty~0#1) && !(0 != main_~P3~0#1)));main_~q~0#1 := 4;main_~this_expect~0#1 := main_~this_expect~0#1;main_~this_buffer_empty~0#1 := 1 - main_~this_buffer_empty~0#1; {30514#(<= |ULTIMATE.start_main_~this_expect~0#1| 5)} is VALID [2022-02-20 16:07:49,397 INFO L290 TraceCheckUtils]: 118: Hoare triple {30514#(<= |ULTIMATE.start_main_~this_expect~0#1| 5)} assume !false;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_~P1~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647;main_~P2~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647;main_~P3~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;assume -2147483648 <= main_#t~nondet7#1 && main_#t~nondet7#1 <= 2147483647;main_~P4~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;assume -2147483648 <= main_#t~nondet8#1 && main_#t~nondet8#1 <= 2147483647;main_~P5~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647;main_~P6~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1;assume -2147483648 <= main_#t~nondet10#1 && main_#t~nondet10#1 <= 2147483647;main_~P7~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;assume -2147483648 <= main_#t~nondet11#1 && main_#t~nondet11#1 <= 2147483647;main_~P8~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;assume -2147483648 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 2147483647;main_~P9~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; {30514#(<= |ULTIMATE.start_main_~this_expect~0#1| 5)} is VALID [2022-02-20 16:07:49,398 INFO L290 TraceCheckUtils]: 119: Hoare triple {30514#(<= |ULTIMATE.start_main_~this_expect~0#1| 5)} assume !(main_~this_expect~0#1 > 16); {30514#(<= |ULTIMATE.start_main_~this_expect~0#1| 5)} is VALID [2022-02-20 16:07:49,398 INFO L290 TraceCheckUtils]: 120: Hoare triple {30514#(<= |ULTIMATE.start_main_~this_expect~0#1| 5)} assume !(0 == main_~q~0#1); {30514#(<= |ULTIMATE.start_main_~this_expect~0#1| 5)} is VALID [2022-02-20 16:07:49,398 INFO L290 TraceCheckUtils]: 121: Hoare triple {30514#(<= |ULTIMATE.start_main_~this_expect~0#1| 5)} assume !(1 == main_~q~0#1); {30514#(<= |ULTIMATE.start_main_~this_expect~0#1| 5)} is VALID [2022-02-20 16:07:49,399 INFO L290 TraceCheckUtils]: 122: Hoare triple {30514#(<= |ULTIMATE.start_main_~this_expect~0#1| 5)} assume !(2 == main_~q~0#1); {30514#(<= |ULTIMATE.start_main_~this_expect~0#1| 5)} is VALID [2022-02-20 16:07:49,399 INFO L290 TraceCheckUtils]: 123: Hoare triple {30514#(<= |ULTIMATE.start_main_~this_expect~0#1| 5)} assume !(3 == main_~q~0#1); {30514#(<= |ULTIMATE.start_main_~this_expect~0#1| 5)} is VALID [2022-02-20 16:07:49,399 INFO L290 TraceCheckUtils]: 124: Hoare triple {30514#(<= |ULTIMATE.start_main_~this_expect~0#1| 5)} assume 4 == main_~q~0#1;assume -2147483648 <= main_#t~nondet32#1 && main_#t~nondet32#1 <= 2147483647; {30514#(<= |ULTIMATE.start_main_~this_expect~0#1| 5)} is VALID [2022-02-20 16:07:49,399 INFO L290 TraceCheckUtils]: 125: Hoare triple {30514#(<= |ULTIMATE.start_main_~this_expect~0#1| 5)} assume !(0 != main_#t~nondet32#1);havoc main_#t~nondet32#1;assume -2147483648 <= main_#t~nondet33#1 && main_#t~nondet33#1 <= 2147483647; {30514#(<= |ULTIMATE.start_main_~this_expect~0#1| 5)} is VALID [2022-02-20 16:07:49,400 INFO L290 TraceCheckUtils]: 126: Hoare triple {30514#(<= |ULTIMATE.start_main_~this_expect~0#1| 5)} assume !(0 != main_#t~nondet33#1);havoc main_#t~nondet33#1;assume -2147483648 <= main_#t~nondet34#1 && main_#t~nondet34#1 <= 2147483647; {30514#(<= |ULTIMATE.start_main_~this_expect~0#1| 5)} is VALID [2022-02-20 16:07:49,400 INFO L290 TraceCheckUtils]: 127: Hoare triple {30514#(<= |ULTIMATE.start_main_~this_expect~0#1| 5)} assume !(0 != main_#t~nondet34#1);havoc main_#t~nondet34#1;assume -2147483648 <= main_#t~nondet35#1 && main_#t~nondet35#1 <= 2147483647; {30514#(<= |ULTIMATE.start_main_~this_expect~0#1| 5)} is VALID [2022-02-20 16:07:49,400 INFO L290 TraceCheckUtils]: 128: Hoare triple {30514#(<= |ULTIMATE.start_main_~this_expect~0#1| 5)} assume 0 != main_#t~nondet35#1;havoc main_#t~nondet35#1; {30514#(<= |ULTIMATE.start_main_~this_expect~0#1| 5)} is VALID [2022-02-20 16:07:49,401 INFO L290 TraceCheckUtils]: 129: Hoare triple {30514#(<= |ULTIMATE.start_main_~this_expect~0#1| 5)} assume 0 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2) && !(1 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2) && 0 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2));main_~method_id~0#1 := 5; {30514#(<= |ULTIMATE.start_main_~this_expect~0#1| 5)} is VALID [2022-02-20 16:07:49,401 INFO L290 TraceCheckUtils]: 130: Hoare triple {30514#(<= |ULTIMATE.start_main_~this_expect~0#1| 5)} assume !(((((if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2) != (if main_~this_expect~0#1 < 0 && 0 != main_~this_expect~0#1 % 2 then main_~this_expect~0#1 % 2 - 2 else main_~this_expect~0#1 % 2) && 1 == main_~this_buffer_empty~0#1) && 0 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2)) && 0 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2) && !(1 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2) && 0 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2))) || ((1 != main_~this_buffer_empty~0#1 && 0 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2)) && 0 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2) && !(1 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2) && 0 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2))));main_~q~0#1 := 5;main_~this_expect~0#1 := 1 + main_~this_expect~0#1;main_~this_buffer_empty~0#1 := 1 - main_~this_buffer_empty~0#1; {30515#(<= |ULTIMATE.start_main_~this_expect~0#1| 6)} is VALID [2022-02-20 16:07:49,402 INFO L290 TraceCheckUtils]: 131: Hoare triple {30515#(<= |ULTIMATE.start_main_~this_expect~0#1| 6)} assume !false;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_~P1~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647;main_~P2~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647;main_~P3~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;assume -2147483648 <= main_#t~nondet7#1 && main_#t~nondet7#1 <= 2147483647;main_~P4~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;assume -2147483648 <= main_#t~nondet8#1 && main_#t~nondet8#1 <= 2147483647;main_~P5~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647;main_~P6~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1;assume -2147483648 <= main_#t~nondet10#1 && main_#t~nondet10#1 <= 2147483647;main_~P7~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;assume -2147483648 <= main_#t~nondet11#1 && main_#t~nondet11#1 <= 2147483647;main_~P8~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;assume -2147483648 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 2147483647;main_~P9~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; {30515#(<= |ULTIMATE.start_main_~this_expect~0#1| 6)} is VALID [2022-02-20 16:07:49,402 INFO L290 TraceCheckUtils]: 132: Hoare triple {30515#(<= |ULTIMATE.start_main_~this_expect~0#1| 6)} assume main_~this_expect~0#1 > 16;main_~this_expect~0#1 := -16; {30508#false} is VALID [2022-02-20 16:07:49,402 INFO L290 TraceCheckUtils]: 133: Hoare triple {30508#false} assume !(0 == main_~q~0#1); {30508#false} is VALID [2022-02-20 16:07:49,402 INFO L290 TraceCheckUtils]: 134: Hoare triple {30508#false} assume !(1 == main_~q~0#1); {30508#false} is VALID [2022-02-20 16:07:49,402 INFO L290 TraceCheckUtils]: 135: Hoare triple {30508#false} assume !(2 == main_~q~0#1); {30508#false} is VALID [2022-02-20 16:07:49,402 INFO L290 TraceCheckUtils]: 136: Hoare triple {30508#false} assume !(3 == main_~q~0#1); {30508#false} is VALID [2022-02-20 16:07:49,402 INFO L290 TraceCheckUtils]: 137: Hoare triple {30508#false} assume !(4 == main_~q~0#1); {30508#false} is VALID [2022-02-20 16:07:49,403 INFO L290 TraceCheckUtils]: 138: Hoare triple {30508#false} assume 5 == main_~q~0#1;assume -2147483648 <= main_#t~nondet38#1 && main_#t~nondet38#1 <= 2147483647; {30508#false} is VALID [2022-02-20 16:07:49,403 INFO L290 TraceCheckUtils]: 139: Hoare triple {30508#false} assume !(0 != main_#t~nondet38#1);havoc main_#t~nondet38#1;assume -2147483648 <= main_#t~nondet39#1 && main_#t~nondet39#1 <= 2147483647; {30508#false} is VALID [2022-02-20 16:07:49,403 INFO L290 TraceCheckUtils]: 140: Hoare triple {30508#false} assume !(0 != main_#t~nondet39#1);havoc main_#t~nondet39#1;assume -2147483648 <= main_#t~nondet40#1 && main_#t~nondet40#1 <= 2147483647; {30508#false} is VALID [2022-02-20 16:07:49,403 INFO L290 TraceCheckUtils]: 141: Hoare triple {30508#false} assume !(0 != main_#t~nondet40#1);havoc main_#t~nondet40#1;assume -2147483648 <= main_#t~nondet41#1 && main_#t~nondet41#1 <= 2147483647; {30508#false} is VALID [2022-02-20 16:07:49,403 INFO L290 TraceCheckUtils]: 142: Hoare triple {30508#false} assume !(0 != main_#t~nondet41#1);havoc main_#t~nondet41#1;assume -2147483648 <= main_#t~nondet42#1 && main_#t~nondet42#1 <= 2147483647; {30508#false} is VALID [2022-02-20 16:07:49,403 INFO L290 TraceCheckUtils]: 143: Hoare triple {30508#false} assume 0 != main_#t~nondet42#1;havoc main_#t~nondet42#1; {30508#false} is VALID [2022-02-20 16:07:49,403 INFO L290 TraceCheckUtils]: 144: Hoare triple {30508#false} assume 0 != main_~P1~0#1 && 1 != main_~P1~0#1 && 0 != main_~P1~0#1;main_~method_id~0#1 := 6; {30508#false} is VALID [2022-02-20 16:07:49,403 INFO L290 TraceCheckUtils]: 145: Hoare triple {30508#false} assume ((main_~P8~0#1 == (if main_~this_expect~0#1 - 1 < 0 && 0 != (main_~this_expect~0#1 - 1) % 2 then (main_~this_expect~0#1 - 1) % 2 - 2 else (main_~this_expect~0#1 - 1) % 2) && 1 != main_~this_buffer_empty~0#1) && 0 != main_~P8~0#1) && 0 != main_~P8~0#1 && 1 != main_~P8~0#1 && 0 != main_~P8~0#1; {30508#false} is VALID [2022-02-20 16:07:49,403 INFO L290 TraceCheckUtils]: 146: Hoare triple {30508#false} assume !false; {30508#false} is VALID [2022-02-20 16:07:49,404 INFO L134 CoverageAnalysis]: Checked inductivity of 447 backedges. 91 proven. 330 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2022-02-20 16:07:49,404 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 16:07:49,404 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [378395955] [2022-02-20 16:07:49,404 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [378395955] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-20 16:07:49,404 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1159837313] [2022-02-20 16:07:49,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 16:07:49,404 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 16:07:49,405 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 16:07:49,406 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-20 16:07:49,406 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2022-02-20 16:07:49,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 16:07:49,612 INFO L263 TraceCheckSpWp]: Trace formula consists of 887 conjuncts, 13 conjunts are in the unsatisfiable core [2022-02-20 16:07:49,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 16:07:49,641 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-20 16:07:50,092 INFO L290 TraceCheckUtils]: 0: Hoare triple {30507#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(16, 2);call #Ultimate.allocInit(12, 3);~m_Protocol~0 := 1;~m_msg_2~0 := 2;~m_recv_ack_2~0 := 3;~m_msg_1_1~0 := 4;~m_msg_1_2~0 := 5;~m_recv_ack_1_1~0 := 6;~m_recv_ack_1_2~0 := 7; {30507#true} is VALID [2022-02-20 16:07:50,092 INFO L290 TraceCheckUtils]: 1: Hoare triple {30507#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~nondet5#1, main_#t~nondet6#1, main_#t~nondet7#1, main_#t~nondet8#1, main_#t~nondet9#1, main_#t~nondet10#1, main_#t~nondet11#1, main_#t~nondet12#1, main_#t~nondet13#1, main_#t~nondet14#1, main_#t~nondet15#1, main_#t~nondet16#1, main_#t~nondet17#1, main_#t~nondet18#1, main_#t~nondet19#1, main_#t~nondet20#1, main_#t~nondet21#1, main_#t~nondet22#1, main_#t~nondet23#1, main_#t~nondet24#1, main_#t~nondet25#1, main_#t~nondet26#1, main_#t~nondet27#1, main_#t~nondet28#1, main_#t~nondet29#1, main_#t~nondet30#1, main_#t~nondet31#1, main_#t~nondet32#1, main_#t~nondet33#1, main_#t~nondet34#1, main_#t~nondet35#1, main_#t~nondet36#1, main_#t~nondet37#1, main_#t~nondet38#1, main_#t~nondet39#1, main_#t~nondet40#1, main_#t~nondet41#1, main_#t~nondet42#1, main_#t~nondet43#1, main_~P1~0#1, main_~P2~0#1, main_~P3~0#1, main_~P4~0#1, main_~P5~0#1, main_~P6~0#1, main_~P7~0#1, main_~P8~0#1, main_~P9~0#1, main_~q~0#1, main_~method_id~0#1, main_~this_expect~0#1, main_~this_buffer_empty~0#1;main_~q~0#1 := 0;havoc main_~method_id~0#1;main_~this_expect~0#1 := 0;main_~this_buffer_empty~0#1 := 0; {30507#true} is VALID [2022-02-20 16:07:50,092 INFO L290 TraceCheckUtils]: 2: Hoare triple {30507#true} goto; {30507#true} is VALID [2022-02-20 16:07:50,092 INFO L290 TraceCheckUtils]: 3: Hoare triple {30507#true} assume !false;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_~P1~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647;main_~P2~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647;main_~P3~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;assume -2147483648 <= main_#t~nondet7#1 && main_#t~nondet7#1 <= 2147483647;main_~P4~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;assume -2147483648 <= main_#t~nondet8#1 && main_#t~nondet8#1 <= 2147483647;main_~P5~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647;main_~P6~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1;assume -2147483648 <= main_#t~nondet10#1 && main_#t~nondet10#1 <= 2147483647;main_~P7~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;assume -2147483648 <= main_#t~nondet11#1 && main_#t~nondet11#1 <= 2147483647;main_~P8~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;assume -2147483648 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 2147483647;main_~P9~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; {30507#true} is VALID [2022-02-20 16:07:50,093 INFO L290 TraceCheckUtils]: 4: Hoare triple {30507#true} assume !(main_~this_expect~0#1 > 16); {30507#true} is VALID [2022-02-20 16:07:50,093 INFO L290 TraceCheckUtils]: 5: Hoare triple {30507#true} assume 0 == main_~q~0#1;assume -2147483648 <= main_#t~nondet13#1 && main_#t~nondet13#1 <= 2147483647; {30507#true} is VALID [2022-02-20 16:07:50,093 INFO L290 TraceCheckUtils]: 6: Hoare triple {30507#true} assume 0 != main_#t~nondet13#1;havoc main_#t~nondet13#1; {30507#true} is VALID [2022-02-20 16:07:50,093 INFO L290 TraceCheckUtils]: 7: Hoare triple {30507#true} main_~method_id~0#1 := 1; {30507#true} is VALID [2022-02-20 16:07:50,093 INFO L290 TraceCheckUtils]: 8: Hoare triple {30507#true} assume !false;main_~q~0#1 := 1;main_~this_expect~0#1 := 0;main_~this_buffer_empty~0#1 := 1; {30543#(<= |ULTIMATE.start_main_~this_expect~0#1| 0)} is VALID [2022-02-20 16:07:50,094 INFO L290 TraceCheckUtils]: 9: Hoare triple {30543#(<= |ULTIMATE.start_main_~this_expect~0#1| 0)} assume !false;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_~P1~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647;main_~P2~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647;main_~P3~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;assume -2147483648 <= main_#t~nondet7#1 && main_#t~nondet7#1 <= 2147483647;main_~P4~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;assume -2147483648 <= main_#t~nondet8#1 && main_#t~nondet8#1 <= 2147483647;main_~P5~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647;main_~P6~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1;assume -2147483648 <= main_#t~nondet10#1 && main_#t~nondet10#1 <= 2147483647;main_~P7~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;assume -2147483648 <= main_#t~nondet11#1 && main_#t~nondet11#1 <= 2147483647;main_~P8~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;assume -2147483648 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 2147483647;main_~P9~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; {30543#(<= |ULTIMATE.start_main_~this_expect~0#1| 0)} is VALID [2022-02-20 16:07:50,094 INFO L290 TraceCheckUtils]: 10: Hoare triple {30543#(<= |ULTIMATE.start_main_~this_expect~0#1| 0)} assume !(main_~this_expect~0#1 > 16); {30543#(<= |ULTIMATE.start_main_~this_expect~0#1| 0)} is VALID [2022-02-20 16:07:50,094 INFO L290 TraceCheckUtils]: 11: Hoare triple {30543#(<= |ULTIMATE.start_main_~this_expect~0#1| 0)} assume !(0 == main_~q~0#1); {30543#(<= |ULTIMATE.start_main_~this_expect~0#1| 0)} is VALID [2022-02-20 16:07:50,094 INFO L290 TraceCheckUtils]: 12: Hoare triple {30543#(<= |ULTIMATE.start_main_~this_expect~0#1| 0)} assume 1 == main_~q~0#1;assume -2147483648 <= main_#t~nondet14#1 && main_#t~nondet14#1 <= 2147483647; {30543#(<= |ULTIMATE.start_main_~this_expect~0#1| 0)} is VALID [2022-02-20 16:07:50,095 INFO L290 TraceCheckUtils]: 13: Hoare triple {30543#(<= |ULTIMATE.start_main_~this_expect~0#1| 0)} assume 0 != main_#t~nondet14#1;havoc main_#t~nondet14#1; {30543#(<= |ULTIMATE.start_main_~this_expect~0#1| 0)} is VALID [2022-02-20 16:07:50,095 INFO L290 TraceCheckUtils]: 14: Hoare triple {30543#(<= |ULTIMATE.start_main_~this_expect~0#1| 0)} assume !(0 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2));main_~method_id~0#1 := 2; {30543#(<= |ULTIMATE.start_main_~this_expect~0#1| 0)} is VALID [2022-02-20 16:07:50,096 INFO L290 TraceCheckUtils]: 15: Hoare triple {30543#(<= |ULTIMATE.start_main_~this_expect~0#1| 0)} assume !((((if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2) != (if main_~this_expect~0#1 < 0 && 0 != main_~this_expect~0#1 % 2 then main_~this_expect~0#1 % 2 - 2 else main_~this_expect~0#1 % 2) && 1 == main_~this_buffer_empty~0#1) && !(0 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2))) || (1 != main_~this_buffer_empty~0#1 && !(0 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2))));main_~q~0#1 := 3;main_~this_expect~0#1 := 1 + main_~this_expect~0#1;main_~this_buffer_empty~0#1 := 1 - main_~this_buffer_empty~0#1; {30510#(<= |ULTIMATE.start_main_~this_expect~0#1| 1)} is VALID [2022-02-20 16:07:50,096 INFO L290 TraceCheckUtils]: 16: Hoare triple {30510#(<= |ULTIMATE.start_main_~this_expect~0#1| 1)} assume !false;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_~P1~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647;main_~P2~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647;main_~P3~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;assume -2147483648 <= main_#t~nondet7#1 && main_#t~nondet7#1 <= 2147483647;main_~P4~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;assume -2147483648 <= main_#t~nondet8#1 && main_#t~nondet8#1 <= 2147483647;main_~P5~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647;main_~P6~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1;assume -2147483648 <= main_#t~nondet10#1 && main_#t~nondet10#1 <= 2147483647;main_~P7~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;assume -2147483648 <= main_#t~nondet11#1 && main_#t~nondet11#1 <= 2147483647;main_~P8~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;assume -2147483648 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 2147483647;main_~P9~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; {30510#(<= |ULTIMATE.start_main_~this_expect~0#1| 1)} is VALID [2022-02-20 16:07:50,096 INFO L290 TraceCheckUtils]: 17: Hoare triple {30510#(<= |ULTIMATE.start_main_~this_expect~0#1| 1)} assume !(main_~this_expect~0#1 > 16); {30510#(<= |ULTIMATE.start_main_~this_expect~0#1| 1)} is VALID [2022-02-20 16:07:50,097 INFO L290 TraceCheckUtils]: 18: Hoare triple {30510#(<= |ULTIMATE.start_main_~this_expect~0#1| 1)} assume !(0 == main_~q~0#1); {30510#(<= |ULTIMATE.start_main_~this_expect~0#1| 1)} is VALID [2022-02-20 16:07:50,097 INFO L290 TraceCheckUtils]: 19: Hoare triple {30510#(<= |ULTIMATE.start_main_~this_expect~0#1| 1)} assume !(1 == main_~q~0#1); {30510#(<= |ULTIMATE.start_main_~this_expect~0#1| 1)} is VALID [2022-02-20 16:07:50,097 INFO L290 TraceCheckUtils]: 20: Hoare triple {30510#(<= |ULTIMATE.start_main_~this_expect~0#1| 1)} assume !(2 == main_~q~0#1); {30510#(<= |ULTIMATE.start_main_~this_expect~0#1| 1)} is VALID [2022-02-20 16:07:50,097 INFO L290 TraceCheckUtils]: 21: Hoare triple {30510#(<= |ULTIMATE.start_main_~this_expect~0#1| 1)} assume 3 == main_~q~0#1;assume -2147483648 <= main_#t~nondet26#1 && main_#t~nondet26#1 <= 2147483647; {30510#(<= |ULTIMATE.start_main_~this_expect~0#1| 1)} is VALID [2022-02-20 16:07:50,098 INFO L290 TraceCheckUtils]: 22: Hoare triple {30510#(<= |ULTIMATE.start_main_~this_expect~0#1| 1)} assume !(0 != main_#t~nondet26#1);havoc main_#t~nondet26#1;assume -2147483648 <= main_#t~nondet27#1 && main_#t~nondet27#1 <= 2147483647; {30510#(<= |ULTIMATE.start_main_~this_expect~0#1| 1)} is VALID [2022-02-20 16:07:50,098 INFO L290 TraceCheckUtils]: 23: Hoare triple {30510#(<= |ULTIMATE.start_main_~this_expect~0#1| 1)} assume 0 != main_#t~nondet27#1;havoc main_#t~nondet27#1; {30510#(<= |ULTIMATE.start_main_~this_expect~0#1| 1)} is VALID [2022-02-20 16:07:50,098 INFO L290 TraceCheckUtils]: 24: Hoare triple {30510#(<= |ULTIMATE.start_main_~this_expect~0#1| 1)} assume !(0 != main_~P1~0#1);main_~method_id~0#1 := 3; {30510#(<= |ULTIMATE.start_main_~this_expect~0#1| 1)} is VALID [2022-02-20 16:07:50,099 INFO L290 TraceCheckUtils]: 25: Hoare triple {30510#(<= |ULTIMATE.start_main_~this_expect~0#1| 1)} assume !((1 == main_~this_buffer_empty~0#1 && !(0 != main_~P3~0#1)) || ((main_~P3~0#1 != (if main_~this_expect~0#1 - 1 < 0 && 0 != (main_~this_expect~0#1 - 1) % 2 then (main_~this_expect~0#1 - 1) % 2 - 2 else (main_~this_expect~0#1 - 1) % 2) && 1 != main_~this_buffer_empty~0#1) && !(0 != main_~P3~0#1)));main_~q~0#1 := 4;main_~this_expect~0#1 := main_~this_expect~0#1;main_~this_buffer_empty~0#1 := 1 - main_~this_buffer_empty~0#1; {30510#(<= |ULTIMATE.start_main_~this_expect~0#1| 1)} is VALID [2022-02-20 16:07:50,099 INFO L290 TraceCheckUtils]: 26: Hoare triple {30510#(<= |ULTIMATE.start_main_~this_expect~0#1| 1)} assume !false;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_~P1~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647;main_~P2~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647;main_~P3~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;assume -2147483648 <= main_#t~nondet7#1 && main_#t~nondet7#1 <= 2147483647;main_~P4~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;assume -2147483648 <= main_#t~nondet8#1 && main_#t~nondet8#1 <= 2147483647;main_~P5~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647;main_~P6~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1;assume -2147483648 <= main_#t~nondet10#1 && main_#t~nondet10#1 <= 2147483647;main_~P7~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;assume -2147483648 <= main_#t~nondet11#1 && main_#t~nondet11#1 <= 2147483647;main_~P8~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;assume -2147483648 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 2147483647;main_~P9~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; {30510#(<= |ULTIMATE.start_main_~this_expect~0#1| 1)} is VALID [2022-02-20 16:07:50,099 INFO L290 TraceCheckUtils]: 27: Hoare triple {30510#(<= |ULTIMATE.start_main_~this_expect~0#1| 1)} assume !(main_~this_expect~0#1 > 16); {30510#(<= |ULTIMATE.start_main_~this_expect~0#1| 1)} is VALID [2022-02-20 16:07:50,100 INFO L290 TraceCheckUtils]: 28: Hoare triple {30510#(<= |ULTIMATE.start_main_~this_expect~0#1| 1)} assume !(0 == main_~q~0#1); {30510#(<= |ULTIMATE.start_main_~this_expect~0#1| 1)} is VALID [2022-02-20 16:07:50,100 INFO L290 TraceCheckUtils]: 29: Hoare triple {30510#(<= |ULTIMATE.start_main_~this_expect~0#1| 1)} assume !(1 == main_~q~0#1); {30510#(<= |ULTIMATE.start_main_~this_expect~0#1| 1)} is VALID [2022-02-20 16:07:50,100 INFO L290 TraceCheckUtils]: 30: Hoare triple {30510#(<= |ULTIMATE.start_main_~this_expect~0#1| 1)} assume !(2 == main_~q~0#1); {30510#(<= |ULTIMATE.start_main_~this_expect~0#1| 1)} is VALID [2022-02-20 16:07:50,100 INFO L290 TraceCheckUtils]: 31: Hoare triple {30510#(<= |ULTIMATE.start_main_~this_expect~0#1| 1)} assume !(3 == main_~q~0#1); {30510#(<= |ULTIMATE.start_main_~this_expect~0#1| 1)} is VALID [2022-02-20 16:07:50,101 INFO L290 TraceCheckUtils]: 32: Hoare triple {30510#(<= |ULTIMATE.start_main_~this_expect~0#1| 1)} assume 4 == main_~q~0#1;assume -2147483648 <= main_#t~nondet32#1 && main_#t~nondet32#1 <= 2147483647; {30510#(<= |ULTIMATE.start_main_~this_expect~0#1| 1)} is VALID [2022-02-20 16:07:50,101 INFO L290 TraceCheckUtils]: 33: Hoare triple {30510#(<= |ULTIMATE.start_main_~this_expect~0#1| 1)} assume !(0 != main_#t~nondet32#1);havoc main_#t~nondet32#1;assume -2147483648 <= main_#t~nondet33#1 && main_#t~nondet33#1 <= 2147483647; {30510#(<= |ULTIMATE.start_main_~this_expect~0#1| 1)} is VALID [2022-02-20 16:07:50,101 INFO L290 TraceCheckUtils]: 34: Hoare triple {30510#(<= |ULTIMATE.start_main_~this_expect~0#1| 1)} assume !(0 != main_#t~nondet33#1);havoc main_#t~nondet33#1;assume -2147483648 <= main_#t~nondet34#1 && main_#t~nondet34#1 <= 2147483647; {30510#(<= |ULTIMATE.start_main_~this_expect~0#1| 1)} is VALID [2022-02-20 16:07:50,102 INFO L290 TraceCheckUtils]: 35: Hoare triple {30510#(<= |ULTIMATE.start_main_~this_expect~0#1| 1)} assume !(0 != main_#t~nondet34#1);havoc main_#t~nondet34#1;assume -2147483648 <= main_#t~nondet35#1 && main_#t~nondet35#1 <= 2147483647; {30510#(<= |ULTIMATE.start_main_~this_expect~0#1| 1)} is VALID [2022-02-20 16:07:50,102 INFO L290 TraceCheckUtils]: 36: Hoare triple {30510#(<= |ULTIMATE.start_main_~this_expect~0#1| 1)} assume 0 != main_#t~nondet35#1;havoc main_#t~nondet35#1; {30510#(<= |ULTIMATE.start_main_~this_expect~0#1| 1)} is VALID [2022-02-20 16:07:50,102 INFO L290 TraceCheckUtils]: 37: Hoare triple {30510#(<= |ULTIMATE.start_main_~this_expect~0#1| 1)} assume 0 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2) && !(1 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2) && 0 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2));main_~method_id~0#1 := 5; {30510#(<= |ULTIMATE.start_main_~this_expect~0#1| 1)} is VALID [2022-02-20 16:07:50,103 INFO L290 TraceCheckUtils]: 38: Hoare triple {30510#(<= |ULTIMATE.start_main_~this_expect~0#1| 1)} assume !(((((if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2) != (if main_~this_expect~0#1 < 0 && 0 != main_~this_expect~0#1 % 2 then main_~this_expect~0#1 % 2 - 2 else main_~this_expect~0#1 % 2) && 1 == main_~this_buffer_empty~0#1) && 0 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2)) && 0 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2) && !(1 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2) && 0 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2))) || ((1 != main_~this_buffer_empty~0#1 && 0 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2)) && 0 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2) && !(1 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2) && 0 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2))));main_~q~0#1 := 5;main_~this_expect~0#1 := 1 + main_~this_expect~0#1;main_~this_buffer_empty~0#1 := 1 - main_~this_buffer_empty~0#1; {30511#(<= |ULTIMATE.start_main_~this_expect~0#1| 2)} is VALID [2022-02-20 16:07:50,103 INFO L290 TraceCheckUtils]: 39: Hoare triple {30511#(<= |ULTIMATE.start_main_~this_expect~0#1| 2)} assume !false;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_~P1~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647;main_~P2~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647;main_~P3~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;assume -2147483648 <= main_#t~nondet7#1 && main_#t~nondet7#1 <= 2147483647;main_~P4~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;assume -2147483648 <= main_#t~nondet8#1 && main_#t~nondet8#1 <= 2147483647;main_~P5~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647;main_~P6~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1;assume -2147483648 <= main_#t~nondet10#1 && main_#t~nondet10#1 <= 2147483647;main_~P7~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;assume -2147483648 <= main_#t~nondet11#1 && main_#t~nondet11#1 <= 2147483647;main_~P8~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;assume -2147483648 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 2147483647;main_~P9~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; {30511#(<= |ULTIMATE.start_main_~this_expect~0#1| 2)} is VALID [2022-02-20 16:07:50,104 INFO L290 TraceCheckUtils]: 40: Hoare triple {30511#(<= |ULTIMATE.start_main_~this_expect~0#1| 2)} assume !(main_~this_expect~0#1 > 16); {30511#(<= |ULTIMATE.start_main_~this_expect~0#1| 2)} is VALID [2022-02-20 16:07:50,104 INFO L290 TraceCheckUtils]: 41: Hoare triple {30511#(<= |ULTIMATE.start_main_~this_expect~0#1| 2)} assume !(0 == main_~q~0#1); {30511#(<= |ULTIMATE.start_main_~this_expect~0#1| 2)} is VALID [2022-02-20 16:07:50,104 INFO L290 TraceCheckUtils]: 42: Hoare triple {30511#(<= |ULTIMATE.start_main_~this_expect~0#1| 2)} assume !(1 == main_~q~0#1); {30511#(<= |ULTIMATE.start_main_~this_expect~0#1| 2)} is VALID [2022-02-20 16:07:50,105 INFO L290 TraceCheckUtils]: 43: Hoare triple {30511#(<= |ULTIMATE.start_main_~this_expect~0#1| 2)} assume !(2 == main_~q~0#1); {30511#(<= |ULTIMATE.start_main_~this_expect~0#1| 2)} is VALID [2022-02-20 16:07:50,105 INFO L290 TraceCheckUtils]: 44: Hoare triple {30511#(<= |ULTIMATE.start_main_~this_expect~0#1| 2)} assume !(3 == main_~q~0#1); {30511#(<= |ULTIMATE.start_main_~this_expect~0#1| 2)} is VALID [2022-02-20 16:07:50,105 INFO L290 TraceCheckUtils]: 45: Hoare triple {30511#(<= |ULTIMATE.start_main_~this_expect~0#1| 2)} assume !(4 == main_~q~0#1); {30511#(<= |ULTIMATE.start_main_~this_expect~0#1| 2)} is VALID [2022-02-20 16:07:50,106 INFO L290 TraceCheckUtils]: 46: Hoare triple {30511#(<= |ULTIMATE.start_main_~this_expect~0#1| 2)} assume 5 == main_~q~0#1;assume -2147483648 <= main_#t~nondet38#1 && main_#t~nondet38#1 <= 2147483647; {30511#(<= |ULTIMATE.start_main_~this_expect~0#1| 2)} is VALID [2022-02-20 16:07:50,106 INFO L290 TraceCheckUtils]: 47: Hoare triple {30511#(<= |ULTIMATE.start_main_~this_expect~0#1| 2)} assume !(0 != main_#t~nondet38#1);havoc main_#t~nondet38#1;assume -2147483648 <= main_#t~nondet39#1 && main_#t~nondet39#1 <= 2147483647; {30511#(<= |ULTIMATE.start_main_~this_expect~0#1| 2)} is VALID [2022-02-20 16:07:50,106 INFO L290 TraceCheckUtils]: 48: Hoare triple {30511#(<= |ULTIMATE.start_main_~this_expect~0#1| 2)} assume !(0 != main_#t~nondet39#1);havoc main_#t~nondet39#1;assume -2147483648 <= main_#t~nondet40#1 && main_#t~nondet40#1 <= 2147483647; {30511#(<= |ULTIMATE.start_main_~this_expect~0#1| 2)} is VALID [2022-02-20 16:07:50,107 INFO L290 TraceCheckUtils]: 49: Hoare triple {30511#(<= |ULTIMATE.start_main_~this_expect~0#1| 2)} assume !(0 != main_#t~nondet40#1);havoc main_#t~nondet40#1;assume -2147483648 <= main_#t~nondet41#1 && main_#t~nondet41#1 <= 2147483647; {30511#(<= |ULTIMATE.start_main_~this_expect~0#1| 2)} is VALID [2022-02-20 16:07:50,107 INFO L290 TraceCheckUtils]: 50: Hoare triple {30511#(<= |ULTIMATE.start_main_~this_expect~0#1| 2)} assume !(0 != main_#t~nondet41#1);havoc main_#t~nondet41#1;assume -2147483648 <= main_#t~nondet42#1 && main_#t~nondet42#1 <= 2147483647; {30511#(<= |ULTIMATE.start_main_~this_expect~0#1| 2)} is VALID [2022-02-20 16:07:50,107 INFO L290 TraceCheckUtils]: 51: Hoare triple {30511#(<= |ULTIMATE.start_main_~this_expect~0#1| 2)} assume !(0 != main_#t~nondet42#1);havoc main_#t~nondet42#1;assume -2147483648 <= main_#t~nondet43#1 && main_#t~nondet43#1 <= 2147483647; {30511#(<= |ULTIMATE.start_main_~this_expect~0#1| 2)} is VALID [2022-02-20 16:07:50,108 INFO L290 TraceCheckUtils]: 52: Hoare triple {30511#(<= |ULTIMATE.start_main_~this_expect~0#1| 2)} assume 0 != main_#t~nondet43#1;havoc main_#t~nondet43#1; {30511#(<= |ULTIMATE.start_main_~this_expect~0#1| 2)} is VALID [2022-02-20 16:07:50,108 INFO L290 TraceCheckUtils]: 53: Hoare triple {30511#(<= |ULTIMATE.start_main_~this_expect~0#1| 2)} assume 0 != main_~P1~0#1 && !(1 != main_~P1~0#1 && 0 != main_~P1~0#1);main_~method_id~0#1 := 7; {30511#(<= |ULTIMATE.start_main_~this_expect~0#1| 2)} is VALID [2022-02-20 16:07:50,108 INFO L290 TraceCheckUtils]: 54: Hoare triple {30511#(<= |ULTIMATE.start_main_~this_expect~0#1| 2)} assume !(((1 == main_~this_buffer_empty~0#1 && 0 != main_~P9~0#1) && 0 != main_~P9~0#1 && !(1 != main_~P9~0#1 && 0 != main_~P9~0#1)) || (((main_~P9~0#1 != (if main_~this_expect~0#1 - 1 < 0 && 0 != (main_~this_expect~0#1 - 1) % 2 then (main_~this_expect~0#1 - 1) % 2 - 2 else (main_~this_expect~0#1 - 1) % 2) && 1 != main_~this_buffer_empty~0#1) && 0 != main_~P9~0#1) && 0 != main_~P9~0#1 && !(1 != main_~P9~0#1 && 0 != main_~P9~0#1)));main_~q~0#1 := 1;main_~this_expect~0#1 := main_~this_expect~0#1;main_~this_buffer_empty~0#1 := 1 - main_~this_buffer_empty~0#1; {30511#(<= |ULTIMATE.start_main_~this_expect~0#1| 2)} is VALID [2022-02-20 16:07:50,109 INFO L290 TraceCheckUtils]: 55: Hoare triple {30511#(<= |ULTIMATE.start_main_~this_expect~0#1| 2)} assume !false;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_~P1~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647;main_~P2~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647;main_~P3~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;assume -2147483648 <= main_#t~nondet7#1 && main_#t~nondet7#1 <= 2147483647;main_~P4~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;assume -2147483648 <= main_#t~nondet8#1 && main_#t~nondet8#1 <= 2147483647;main_~P5~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647;main_~P6~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1;assume -2147483648 <= main_#t~nondet10#1 && main_#t~nondet10#1 <= 2147483647;main_~P7~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;assume -2147483648 <= main_#t~nondet11#1 && main_#t~nondet11#1 <= 2147483647;main_~P8~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;assume -2147483648 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 2147483647;main_~P9~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; {30511#(<= |ULTIMATE.start_main_~this_expect~0#1| 2)} is VALID [2022-02-20 16:07:50,109 INFO L290 TraceCheckUtils]: 56: Hoare triple {30511#(<= |ULTIMATE.start_main_~this_expect~0#1| 2)} assume !(main_~this_expect~0#1 > 16); {30511#(<= |ULTIMATE.start_main_~this_expect~0#1| 2)} is VALID [2022-02-20 16:07:50,109 INFO L290 TraceCheckUtils]: 57: Hoare triple {30511#(<= |ULTIMATE.start_main_~this_expect~0#1| 2)} assume !(0 == main_~q~0#1); {30511#(<= |ULTIMATE.start_main_~this_expect~0#1| 2)} is VALID [2022-02-20 16:07:50,110 INFO L290 TraceCheckUtils]: 58: Hoare triple {30511#(<= |ULTIMATE.start_main_~this_expect~0#1| 2)} assume 1 == main_~q~0#1;assume -2147483648 <= main_#t~nondet14#1 && main_#t~nondet14#1 <= 2147483647; {30511#(<= |ULTIMATE.start_main_~this_expect~0#1| 2)} is VALID [2022-02-20 16:07:50,110 INFO L290 TraceCheckUtils]: 59: Hoare triple {30511#(<= |ULTIMATE.start_main_~this_expect~0#1| 2)} assume 0 != main_#t~nondet14#1;havoc main_#t~nondet14#1; {30511#(<= |ULTIMATE.start_main_~this_expect~0#1| 2)} is VALID [2022-02-20 16:07:50,110 INFO L290 TraceCheckUtils]: 60: Hoare triple {30511#(<= |ULTIMATE.start_main_~this_expect~0#1| 2)} assume !(0 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2));main_~method_id~0#1 := 2; {30511#(<= |ULTIMATE.start_main_~this_expect~0#1| 2)} is VALID [2022-02-20 16:07:50,111 INFO L290 TraceCheckUtils]: 61: Hoare triple {30511#(<= |ULTIMATE.start_main_~this_expect~0#1| 2)} assume !((((if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2) != (if main_~this_expect~0#1 < 0 && 0 != main_~this_expect~0#1 % 2 then main_~this_expect~0#1 % 2 - 2 else main_~this_expect~0#1 % 2) && 1 == main_~this_buffer_empty~0#1) && !(0 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2))) || (1 != main_~this_buffer_empty~0#1 && !(0 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2))));main_~q~0#1 := 3;main_~this_expect~0#1 := 1 + main_~this_expect~0#1;main_~this_buffer_empty~0#1 := 1 - main_~this_buffer_empty~0#1; {30512#(<= |ULTIMATE.start_main_~this_expect~0#1| 3)} is VALID [2022-02-20 16:07:50,111 INFO L290 TraceCheckUtils]: 62: Hoare triple {30512#(<= |ULTIMATE.start_main_~this_expect~0#1| 3)} assume !false;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_~P1~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647;main_~P2~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647;main_~P3~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;assume -2147483648 <= main_#t~nondet7#1 && main_#t~nondet7#1 <= 2147483647;main_~P4~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;assume -2147483648 <= main_#t~nondet8#1 && main_#t~nondet8#1 <= 2147483647;main_~P5~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647;main_~P6~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1;assume -2147483648 <= main_#t~nondet10#1 && main_#t~nondet10#1 <= 2147483647;main_~P7~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;assume -2147483648 <= main_#t~nondet11#1 && main_#t~nondet11#1 <= 2147483647;main_~P8~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;assume -2147483648 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 2147483647;main_~P9~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; {30512#(<= |ULTIMATE.start_main_~this_expect~0#1| 3)} is VALID [2022-02-20 16:07:50,112 INFO L290 TraceCheckUtils]: 63: Hoare triple {30512#(<= |ULTIMATE.start_main_~this_expect~0#1| 3)} assume !(main_~this_expect~0#1 > 16); {30512#(<= |ULTIMATE.start_main_~this_expect~0#1| 3)} is VALID [2022-02-20 16:07:50,112 INFO L290 TraceCheckUtils]: 64: Hoare triple {30512#(<= |ULTIMATE.start_main_~this_expect~0#1| 3)} assume !(0 == main_~q~0#1); {30512#(<= |ULTIMATE.start_main_~this_expect~0#1| 3)} is VALID [2022-02-20 16:07:50,112 INFO L290 TraceCheckUtils]: 65: Hoare triple {30512#(<= |ULTIMATE.start_main_~this_expect~0#1| 3)} assume !(1 == main_~q~0#1); {30512#(<= |ULTIMATE.start_main_~this_expect~0#1| 3)} is VALID [2022-02-20 16:07:50,113 INFO L290 TraceCheckUtils]: 66: Hoare triple {30512#(<= |ULTIMATE.start_main_~this_expect~0#1| 3)} assume !(2 == main_~q~0#1); {30512#(<= |ULTIMATE.start_main_~this_expect~0#1| 3)} is VALID [2022-02-20 16:07:50,113 INFO L290 TraceCheckUtils]: 67: Hoare triple {30512#(<= |ULTIMATE.start_main_~this_expect~0#1| 3)} assume 3 == main_~q~0#1;assume -2147483648 <= main_#t~nondet26#1 && main_#t~nondet26#1 <= 2147483647; {30512#(<= |ULTIMATE.start_main_~this_expect~0#1| 3)} is VALID [2022-02-20 16:07:50,113 INFO L290 TraceCheckUtils]: 68: Hoare triple {30512#(<= |ULTIMATE.start_main_~this_expect~0#1| 3)} assume !(0 != main_#t~nondet26#1);havoc main_#t~nondet26#1;assume -2147483648 <= main_#t~nondet27#1 && main_#t~nondet27#1 <= 2147483647; {30512#(<= |ULTIMATE.start_main_~this_expect~0#1| 3)} is VALID [2022-02-20 16:07:50,114 INFO L290 TraceCheckUtils]: 69: Hoare triple {30512#(<= |ULTIMATE.start_main_~this_expect~0#1| 3)} assume 0 != main_#t~nondet27#1;havoc main_#t~nondet27#1; {30512#(<= |ULTIMATE.start_main_~this_expect~0#1| 3)} is VALID [2022-02-20 16:07:50,114 INFO L290 TraceCheckUtils]: 70: Hoare triple {30512#(<= |ULTIMATE.start_main_~this_expect~0#1| 3)} assume !(0 != main_~P1~0#1);main_~method_id~0#1 := 3; {30512#(<= |ULTIMATE.start_main_~this_expect~0#1| 3)} is VALID [2022-02-20 16:07:50,114 INFO L290 TraceCheckUtils]: 71: Hoare triple {30512#(<= |ULTIMATE.start_main_~this_expect~0#1| 3)} assume !((1 == main_~this_buffer_empty~0#1 && !(0 != main_~P3~0#1)) || ((main_~P3~0#1 != (if main_~this_expect~0#1 - 1 < 0 && 0 != (main_~this_expect~0#1 - 1) % 2 then (main_~this_expect~0#1 - 1) % 2 - 2 else (main_~this_expect~0#1 - 1) % 2) && 1 != main_~this_buffer_empty~0#1) && !(0 != main_~P3~0#1)));main_~q~0#1 := 4;main_~this_expect~0#1 := main_~this_expect~0#1;main_~this_buffer_empty~0#1 := 1 - main_~this_buffer_empty~0#1; {30512#(<= |ULTIMATE.start_main_~this_expect~0#1| 3)} is VALID [2022-02-20 16:07:50,115 INFO L290 TraceCheckUtils]: 72: Hoare triple {30512#(<= |ULTIMATE.start_main_~this_expect~0#1| 3)} assume !false;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_~P1~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647;main_~P2~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647;main_~P3~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;assume -2147483648 <= main_#t~nondet7#1 && main_#t~nondet7#1 <= 2147483647;main_~P4~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;assume -2147483648 <= main_#t~nondet8#1 && main_#t~nondet8#1 <= 2147483647;main_~P5~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647;main_~P6~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1;assume -2147483648 <= main_#t~nondet10#1 && main_#t~nondet10#1 <= 2147483647;main_~P7~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;assume -2147483648 <= main_#t~nondet11#1 && main_#t~nondet11#1 <= 2147483647;main_~P8~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;assume -2147483648 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 2147483647;main_~P9~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; {30512#(<= |ULTIMATE.start_main_~this_expect~0#1| 3)} is VALID [2022-02-20 16:07:50,115 INFO L290 TraceCheckUtils]: 73: Hoare triple {30512#(<= |ULTIMATE.start_main_~this_expect~0#1| 3)} assume !(main_~this_expect~0#1 > 16); {30512#(<= |ULTIMATE.start_main_~this_expect~0#1| 3)} is VALID [2022-02-20 16:07:50,115 INFO L290 TraceCheckUtils]: 74: Hoare triple {30512#(<= |ULTIMATE.start_main_~this_expect~0#1| 3)} assume !(0 == main_~q~0#1); {30512#(<= |ULTIMATE.start_main_~this_expect~0#1| 3)} is VALID [2022-02-20 16:07:50,116 INFO L290 TraceCheckUtils]: 75: Hoare triple {30512#(<= |ULTIMATE.start_main_~this_expect~0#1| 3)} assume !(1 == main_~q~0#1); {30512#(<= |ULTIMATE.start_main_~this_expect~0#1| 3)} is VALID [2022-02-20 16:07:50,116 INFO L290 TraceCheckUtils]: 76: Hoare triple {30512#(<= |ULTIMATE.start_main_~this_expect~0#1| 3)} assume !(2 == main_~q~0#1); {30512#(<= |ULTIMATE.start_main_~this_expect~0#1| 3)} is VALID [2022-02-20 16:07:50,116 INFO L290 TraceCheckUtils]: 77: Hoare triple {30512#(<= |ULTIMATE.start_main_~this_expect~0#1| 3)} assume !(3 == main_~q~0#1); {30512#(<= |ULTIMATE.start_main_~this_expect~0#1| 3)} is VALID [2022-02-20 16:07:50,117 INFO L290 TraceCheckUtils]: 78: Hoare triple {30512#(<= |ULTIMATE.start_main_~this_expect~0#1| 3)} assume 4 == main_~q~0#1;assume -2147483648 <= main_#t~nondet32#1 && main_#t~nondet32#1 <= 2147483647; {30512#(<= |ULTIMATE.start_main_~this_expect~0#1| 3)} is VALID [2022-02-20 16:07:50,117 INFO L290 TraceCheckUtils]: 79: Hoare triple {30512#(<= |ULTIMATE.start_main_~this_expect~0#1| 3)} assume !(0 != main_#t~nondet32#1);havoc main_#t~nondet32#1;assume -2147483648 <= main_#t~nondet33#1 && main_#t~nondet33#1 <= 2147483647; {30512#(<= |ULTIMATE.start_main_~this_expect~0#1| 3)} is VALID [2022-02-20 16:07:50,117 INFO L290 TraceCheckUtils]: 80: Hoare triple {30512#(<= |ULTIMATE.start_main_~this_expect~0#1| 3)} assume !(0 != main_#t~nondet33#1);havoc main_#t~nondet33#1;assume -2147483648 <= main_#t~nondet34#1 && main_#t~nondet34#1 <= 2147483647; {30512#(<= |ULTIMATE.start_main_~this_expect~0#1| 3)} is VALID [2022-02-20 16:07:50,118 INFO L290 TraceCheckUtils]: 81: Hoare triple {30512#(<= |ULTIMATE.start_main_~this_expect~0#1| 3)} assume !(0 != main_#t~nondet34#1);havoc main_#t~nondet34#1;assume -2147483648 <= main_#t~nondet35#1 && main_#t~nondet35#1 <= 2147483647; {30512#(<= |ULTIMATE.start_main_~this_expect~0#1| 3)} is VALID [2022-02-20 16:07:50,118 INFO L290 TraceCheckUtils]: 82: Hoare triple {30512#(<= |ULTIMATE.start_main_~this_expect~0#1| 3)} assume 0 != main_#t~nondet35#1;havoc main_#t~nondet35#1; {30512#(<= |ULTIMATE.start_main_~this_expect~0#1| 3)} is VALID [2022-02-20 16:07:50,118 INFO L290 TraceCheckUtils]: 83: Hoare triple {30512#(<= |ULTIMATE.start_main_~this_expect~0#1| 3)} assume 0 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2) && !(1 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2) && 0 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2));main_~method_id~0#1 := 5; {30512#(<= |ULTIMATE.start_main_~this_expect~0#1| 3)} is VALID [2022-02-20 16:07:50,119 INFO L290 TraceCheckUtils]: 84: Hoare triple {30512#(<= |ULTIMATE.start_main_~this_expect~0#1| 3)} assume !(((((if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2) != (if main_~this_expect~0#1 < 0 && 0 != main_~this_expect~0#1 % 2 then main_~this_expect~0#1 % 2 - 2 else main_~this_expect~0#1 % 2) && 1 == main_~this_buffer_empty~0#1) && 0 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2)) && 0 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2) && !(1 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2) && 0 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2))) || ((1 != main_~this_buffer_empty~0#1 && 0 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2)) && 0 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2) && !(1 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2) && 0 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2))));main_~q~0#1 := 5;main_~this_expect~0#1 := 1 + main_~this_expect~0#1;main_~this_buffer_empty~0#1 := 1 - main_~this_buffer_empty~0#1; {30513#(<= |ULTIMATE.start_main_~this_expect~0#1| 4)} is VALID [2022-02-20 16:07:50,119 INFO L290 TraceCheckUtils]: 85: Hoare triple {30513#(<= |ULTIMATE.start_main_~this_expect~0#1| 4)} assume !false;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_~P1~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647;main_~P2~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647;main_~P3~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;assume -2147483648 <= main_#t~nondet7#1 && main_#t~nondet7#1 <= 2147483647;main_~P4~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;assume -2147483648 <= main_#t~nondet8#1 && main_#t~nondet8#1 <= 2147483647;main_~P5~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647;main_~P6~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1;assume -2147483648 <= main_#t~nondet10#1 && main_#t~nondet10#1 <= 2147483647;main_~P7~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;assume -2147483648 <= main_#t~nondet11#1 && main_#t~nondet11#1 <= 2147483647;main_~P8~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;assume -2147483648 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 2147483647;main_~P9~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; {30513#(<= |ULTIMATE.start_main_~this_expect~0#1| 4)} is VALID [2022-02-20 16:07:50,120 INFO L290 TraceCheckUtils]: 86: Hoare triple {30513#(<= |ULTIMATE.start_main_~this_expect~0#1| 4)} assume !(main_~this_expect~0#1 > 16); {30513#(<= |ULTIMATE.start_main_~this_expect~0#1| 4)} is VALID [2022-02-20 16:07:50,120 INFO L290 TraceCheckUtils]: 87: Hoare triple {30513#(<= |ULTIMATE.start_main_~this_expect~0#1| 4)} assume !(0 == main_~q~0#1); {30513#(<= |ULTIMATE.start_main_~this_expect~0#1| 4)} is VALID [2022-02-20 16:07:50,120 INFO L290 TraceCheckUtils]: 88: Hoare triple {30513#(<= |ULTIMATE.start_main_~this_expect~0#1| 4)} assume !(1 == main_~q~0#1); {30513#(<= |ULTIMATE.start_main_~this_expect~0#1| 4)} is VALID [2022-02-20 16:07:50,121 INFO L290 TraceCheckUtils]: 89: Hoare triple {30513#(<= |ULTIMATE.start_main_~this_expect~0#1| 4)} assume !(2 == main_~q~0#1); {30513#(<= |ULTIMATE.start_main_~this_expect~0#1| 4)} is VALID [2022-02-20 16:07:50,121 INFO L290 TraceCheckUtils]: 90: Hoare triple {30513#(<= |ULTIMATE.start_main_~this_expect~0#1| 4)} assume !(3 == main_~q~0#1); {30513#(<= |ULTIMATE.start_main_~this_expect~0#1| 4)} is VALID [2022-02-20 16:07:50,121 INFO L290 TraceCheckUtils]: 91: Hoare triple {30513#(<= |ULTIMATE.start_main_~this_expect~0#1| 4)} assume !(4 == main_~q~0#1); {30513#(<= |ULTIMATE.start_main_~this_expect~0#1| 4)} is VALID [2022-02-20 16:07:50,122 INFO L290 TraceCheckUtils]: 92: Hoare triple {30513#(<= |ULTIMATE.start_main_~this_expect~0#1| 4)} assume 5 == main_~q~0#1;assume -2147483648 <= main_#t~nondet38#1 && main_#t~nondet38#1 <= 2147483647; {30513#(<= |ULTIMATE.start_main_~this_expect~0#1| 4)} is VALID [2022-02-20 16:07:50,122 INFO L290 TraceCheckUtils]: 93: Hoare triple {30513#(<= |ULTIMATE.start_main_~this_expect~0#1| 4)} assume !(0 != main_#t~nondet38#1);havoc main_#t~nondet38#1;assume -2147483648 <= main_#t~nondet39#1 && main_#t~nondet39#1 <= 2147483647; {30513#(<= |ULTIMATE.start_main_~this_expect~0#1| 4)} is VALID [2022-02-20 16:07:50,122 INFO L290 TraceCheckUtils]: 94: Hoare triple {30513#(<= |ULTIMATE.start_main_~this_expect~0#1| 4)} assume !(0 != main_#t~nondet39#1);havoc main_#t~nondet39#1;assume -2147483648 <= main_#t~nondet40#1 && main_#t~nondet40#1 <= 2147483647; {30513#(<= |ULTIMATE.start_main_~this_expect~0#1| 4)} is VALID [2022-02-20 16:07:50,122 INFO L290 TraceCheckUtils]: 95: Hoare triple {30513#(<= |ULTIMATE.start_main_~this_expect~0#1| 4)} assume !(0 != main_#t~nondet40#1);havoc main_#t~nondet40#1;assume -2147483648 <= main_#t~nondet41#1 && main_#t~nondet41#1 <= 2147483647; {30513#(<= |ULTIMATE.start_main_~this_expect~0#1| 4)} is VALID [2022-02-20 16:07:50,123 INFO L290 TraceCheckUtils]: 96: Hoare triple {30513#(<= |ULTIMATE.start_main_~this_expect~0#1| 4)} assume !(0 != main_#t~nondet41#1);havoc main_#t~nondet41#1;assume -2147483648 <= main_#t~nondet42#1 && main_#t~nondet42#1 <= 2147483647; {30513#(<= |ULTIMATE.start_main_~this_expect~0#1| 4)} is VALID [2022-02-20 16:07:50,123 INFO L290 TraceCheckUtils]: 97: Hoare triple {30513#(<= |ULTIMATE.start_main_~this_expect~0#1| 4)} assume !(0 != main_#t~nondet42#1);havoc main_#t~nondet42#1;assume -2147483648 <= main_#t~nondet43#1 && main_#t~nondet43#1 <= 2147483647; {30513#(<= |ULTIMATE.start_main_~this_expect~0#1| 4)} is VALID [2022-02-20 16:07:50,123 INFO L290 TraceCheckUtils]: 98: Hoare triple {30513#(<= |ULTIMATE.start_main_~this_expect~0#1| 4)} assume 0 != main_#t~nondet43#1;havoc main_#t~nondet43#1; {30513#(<= |ULTIMATE.start_main_~this_expect~0#1| 4)} is VALID [2022-02-20 16:07:50,124 INFO L290 TraceCheckUtils]: 99: Hoare triple {30513#(<= |ULTIMATE.start_main_~this_expect~0#1| 4)} assume 0 != main_~P1~0#1 && !(1 != main_~P1~0#1 && 0 != main_~P1~0#1);main_~method_id~0#1 := 7; {30513#(<= |ULTIMATE.start_main_~this_expect~0#1| 4)} is VALID [2022-02-20 16:07:50,124 INFO L290 TraceCheckUtils]: 100: Hoare triple {30513#(<= |ULTIMATE.start_main_~this_expect~0#1| 4)} assume !(((1 == main_~this_buffer_empty~0#1 && 0 != main_~P9~0#1) && 0 != main_~P9~0#1 && !(1 != main_~P9~0#1 && 0 != main_~P9~0#1)) || (((main_~P9~0#1 != (if main_~this_expect~0#1 - 1 < 0 && 0 != (main_~this_expect~0#1 - 1) % 2 then (main_~this_expect~0#1 - 1) % 2 - 2 else (main_~this_expect~0#1 - 1) % 2) && 1 != main_~this_buffer_empty~0#1) && 0 != main_~P9~0#1) && 0 != main_~P9~0#1 && !(1 != main_~P9~0#1 && 0 != main_~P9~0#1)));main_~q~0#1 := 1;main_~this_expect~0#1 := main_~this_expect~0#1;main_~this_buffer_empty~0#1 := 1 - main_~this_buffer_empty~0#1; {30513#(<= |ULTIMATE.start_main_~this_expect~0#1| 4)} is VALID [2022-02-20 16:07:50,125 INFO L290 TraceCheckUtils]: 101: Hoare triple {30513#(<= |ULTIMATE.start_main_~this_expect~0#1| 4)} assume !false;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_~P1~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647;main_~P2~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647;main_~P3~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;assume -2147483648 <= main_#t~nondet7#1 && main_#t~nondet7#1 <= 2147483647;main_~P4~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;assume -2147483648 <= main_#t~nondet8#1 && main_#t~nondet8#1 <= 2147483647;main_~P5~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647;main_~P6~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1;assume -2147483648 <= main_#t~nondet10#1 && main_#t~nondet10#1 <= 2147483647;main_~P7~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;assume -2147483648 <= main_#t~nondet11#1 && main_#t~nondet11#1 <= 2147483647;main_~P8~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;assume -2147483648 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 2147483647;main_~P9~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; {30513#(<= |ULTIMATE.start_main_~this_expect~0#1| 4)} is VALID [2022-02-20 16:07:50,125 INFO L290 TraceCheckUtils]: 102: Hoare triple {30513#(<= |ULTIMATE.start_main_~this_expect~0#1| 4)} assume !(main_~this_expect~0#1 > 16); {30513#(<= |ULTIMATE.start_main_~this_expect~0#1| 4)} is VALID [2022-02-20 16:07:50,125 INFO L290 TraceCheckUtils]: 103: Hoare triple {30513#(<= |ULTIMATE.start_main_~this_expect~0#1| 4)} assume !(0 == main_~q~0#1); {30513#(<= |ULTIMATE.start_main_~this_expect~0#1| 4)} is VALID [2022-02-20 16:07:50,125 INFO L290 TraceCheckUtils]: 104: Hoare triple {30513#(<= |ULTIMATE.start_main_~this_expect~0#1| 4)} assume 1 == main_~q~0#1;assume -2147483648 <= main_#t~nondet14#1 && main_#t~nondet14#1 <= 2147483647; {30513#(<= |ULTIMATE.start_main_~this_expect~0#1| 4)} is VALID [2022-02-20 16:07:50,126 INFO L290 TraceCheckUtils]: 105: Hoare triple {30513#(<= |ULTIMATE.start_main_~this_expect~0#1| 4)} assume 0 != main_#t~nondet14#1;havoc main_#t~nondet14#1; {30513#(<= |ULTIMATE.start_main_~this_expect~0#1| 4)} is VALID [2022-02-20 16:07:50,126 INFO L290 TraceCheckUtils]: 106: Hoare triple {30513#(<= |ULTIMATE.start_main_~this_expect~0#1| 4)} assume !(0 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2));main_~method_id~0#1 := 2; {30513#(<= |ULTIMATE.start_main_~this_expect~0#1| 4)} is VALID [2022-02-20 16:07:50,127 INFO L290 TraceCheckUtils]: 107: Hoare triple {30513#(<= |ULTIMATE.start_main_~this_expect~0#1| 4)} assume !((((if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2) != (if main_~this_expect~0#1 < 0 && 0 != main_~this_expect~0#1 % 2 then main_~this_expect~0#1 % 2 - 2 else main_~this_expect~0#1 % 2) && 1 == main_~this_buffer_empty~0#1) && !(0 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2))) || (1 != main_~this_buffer_empty~0#1 && !(0 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2))));main_~q~0#1 := 3;main_~this_expect~0#1 := 1 + main_~this_expect~0#1;main_~this_buffer_empty~0#1 := 1 - main_~this_buffer_empty~0#1; {30514#(<= |ULTIMATE.start_main_~this_expect~0#1| 5)} is VALID [2022-02-20 16:07:50,127 INFO L290 TraceCheckUtils]: 108: Hoare triple {30514#(<= |ULTIMATE.start_main_~this_expect~0#1| 5)} assume !false;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_~P1~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647;main_~P2~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647;main_~P3~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;assume -2147483648 <= main_#t~nondet7#1 && main_#t~nondet7#1 <= 2147483647;main_~P4~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;assume -2147483648 <= main_#t~nondet8#1 && main_#t~nondet8#1 <= 2147483647;main_~P5~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647;main_~P6~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1;assume -2147483648 <= main_#t~nondet10#1 && main_#t~nondet10#1 <= 2147483647;main_~P7~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;assume -2147483648 <= main_#t~nondet11#1 && main_#t~nondet11#1 <= 2147483647;main_~P8~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;assume -2147483648 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 2147483647;main_~P9~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; {30514#(<= |ULTIMATE.start_main_~this_expect~0#1| 5)} is VALID [2022-02-20 16:07:50,127 INFO L290 TraceCheckUtils]: 109: Hoare triple {30514#(<= |ULTIMATE.start_main_~this_expect~0#1| 5)} assume !(main_~this_expect~0#1 > 16); {30514#(<= |ULTIMATE.start_main_~this_expect~0#1| 5)} is VALID [2022-02-20 16:07:50,128 INFO L290 TraceCheckUtils]: 110: Hoare triple {30514#(<= |ULTIMATE.start_main_~this_expect~0#1| 5)} assume !(0 == main_~q~0#1); {30514#(<= |ULTIMATE.start_main_~this_expect~0#1| 5)} is VALID [2022-02-20 16:07:50,128 INFO L290 TraceCheckUtils]: 111: Hoare triple {30514#(<= |ULTIMATE.start_main_~this_expect~0#1| 5)} assume !(1 == main_~q~0#1); {30514#(<= |ULTIMATE.start_main_~this_expect~0#1| 5)} is VALID [2022-02-20 16:07:50,128 INFO L290 TraceCheckUtils]: 112: Hoare triple {30514#(<= |ULTIMATE.start_main_~this_expect~0#1| 5)} assume !(2 == main_~q~0#1); {30514#(<= |ULTIMATE.start_main_~this_expect~0#1| 5)} is VALID [2022-02-20 16:07:50,128 INFO L290 TraceCheckUtils]: 113: Hoare triple {30514#(<= |ULTIMATE.start_main_~this_expect~0#1| 5)} assume 3 == main_~q~0#1;assume -2147483648 <= main_#t~nondet26#1 && main_#t~nondet26#1 <= 2147483647; {30514#(<= |ULTIMATE.start_main_~this_expect~0#1| 5)} is VALID [2022-02-20 16:07:50,129 INFO L290 TraceCheckUtils]: 114: Hoare triple {30514#(<= |ULTIMATE.start_main_~this_expect~0#1| 5)} assume !(0 != main_#t~nondet26#1);havoc main_#t~nondet26#1;assume -2147483648 <= main_#t~nondet27#1 && main_#t~nondet27#1 <= 2147483647; {30514#(<= |ULTIMATE.start_main_~this_expect~0#1| 5)} is VALID [2022-02-20 16:07:50,129 INFO L290 TraceCheckUtils]: 115: Hoare triple {30514#(<= |ULTIMATE.start_main_~this_expect~0#1| 5)} assume 0 != main_#t~nondet27#1;havoc main_#t~nondet27#1; {30514#(<= |ULTIMATE.start_main_~this_expect~0#1| 5)} is VALID [2022-02-20 16:07:50,129 INFO L290 TraceCheckUtils]: 116: Hoare triple {30514#(<= |ULTIMATE.start_main_~this_expect~0#1| 5)} assume !(0 != main_~P1~0#1);main_~method_id~0#1 := 3; {30514#(<= |ULTIMATE.start_main_~this_expect~0#1| 5)} is VALID [2022-02-20 16:07:50,130 INFO L290 TraceCheckUtils]: 117: Hoare triple {30514#(<= |ULTIMATE.start_main_~this_expect~0#1| 5)} assume !((1 == main_~this_buffer_empty~0#1 && !(0 != main_~P3~0#1)) || ((main_~P3~0#1 != (if main_~this_expect~0#1 - 1 < 0 && 0 != (main_~this_expect~0#1 - 1) % 2 then (main_~this_expect~0#1 - 1) % 2 - 2 else (main_~this_expect~0#1 - 1) % 2) && 1 != main_~this_buffer_empty~0#1) && !(0 != main_~P3~0#1)));main_~q~0#1 := 4;main_~this_expect~0#1 := main_~this_expect~0#1;main_~this_buffer_empty~0#1 := 1 - main_~this_buffer_empty~0#1; {30514#(<= |ULTIMATE.start_main_~this_expect~0#1| 5)} is VALID [2022-02-20 16:07:50,130 INFO L290 TraceCheckUtils]: 118: Hoare triple {30514#(<= |ULTIMATE.start_main_~this_expect~0#1| 5)} assume !false;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_~P1~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647;main_~P2~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647;main_~P3~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;assume -2147483648 <= main_#t~nondet7#1 && main_#t~nondet7#1 <= 2147483647;main_~P4~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;assume -2147483648 <= main_#t~nondet8#1 && main_#t~nondet8#1 <= 2147483647;main_~P5~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647;main_~P6~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1;assume -2147483648 <= main_#t~nondet10#1 && main_#t~nondet10#1 <= 2147483647;main_~P7~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;assume -2147483648 <= main_#t~nondet11#1 && main_#t~nondet11#1 <= 2147483647;main_~P8~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;assume -2147483648 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 2147483647;main_~P9~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; {30514#(<= |ULTIMATE.start_main_~this_expect~0#1| 5)} is VALID [2022-02-20 16:07:50,130 INFO L290 TraceCheckUtils]: 119: Hoare triple {30514#(<= |ULTIMATE.start_main_~this_expect~0#1| 5)} assume !(main_~this_expect~0#1 > 16); {30514#(<= |ULTIMATE.start_main_~this_expect~0#1| 5)} is VALID [2022-02-20 16:07:50,131 INFO L290 TraceCheckUtils]: 120: Hoare triple {30514#(<= |ULTIMATE.start_main_~this_expect~0#1| 5)} assume !(0 == main_~q~0#1); {30514#(<= |ULTIMATE.start_main_~this_expect~0#1| 5)} is VALID [2022-02-20 16:07:50,131 INFO L290 TraceCheckUtils]: 121: Hoare triple {30514#(<= |ULTIMATE.start_main_~this_expect~0#1| 5)} assume !(1 == main_~q~0#1); {30514#(<= |ULTIMATE.start_main_~this_expect~0#1| 5)} is VALID [2022-02-20 16:07:50,131 INFO L290 TraceCheckUtils]: 122: Hoare triple {30514#(<= |ULTIMATE.start_main_~this_expect~0#1| 5)} assume !(2 == main_~q~0#1); {30514#(<= |ULTIMATE.start_main_~this_expect~0#1| 5)} is VALID [2022-02-20 16:07:50,132 INFO L290 TraceCheckUtils]: 123: Hoare triple {30514#(<= |ULTIMATE.start_main_~this_expect~0#1| 5)} assume !(3 == main_~q~0#1); {30514#(<= |ULTIMATE.start_main_~this_expect~0#1| 5)} is VALID [2022-02-20 16:07:50,132 INFO L290 TraceCheckUtils]: 124: Hoare triple {30514#(<= |ULTIMATE.start_main_~this_expect~0#1| 5)} assume 4 == main_~q~0#1;assume -2147483648 <= main_#t~nondet32#1 && main_#t~nondet32#1 <= 2147483647; {30514#(<= |ULTIMATE.start_main_~this_expect~0#1| 5)} is VALID [2022-02-20 16:07:50,132 INFO L290 TraceCheckUtils]: 125: Hoare triple {30514#(<= |ULTIMATE.start_main_~this_expect~0#1| 5)} assume !(0 != main_#t~nondet32#1);havoc main_#t~nondet32#1;assume -2147483648 <= main_#t~nondet33#1 && main_#t~nondet33#1 <= 2147483647; {30514#(<= |ULTIMATE.start_main_~this_expect~0#1| 5)} is VALID [2022-02-20 16:07:50,132 INFO L290 TraceCheckUtils]: 126: Hoare triple {30514#(<= |ULTIMATE.start_main_~this_expect~0#1| 5)} assume !(0 != main_#t~nondet33#1);havoc main_#t~nondet33#1;assume -2147483648 <= main_#t~nondet34#1 && main_#t~nondet34#1 <= 2147483647; {30514#(<= |ULTIMATE.start_main_~this_expect~0#1| 5)} is VALID [2022-02-20 16:07:50,133 INFO L290 TraceCheckUtils]: 127: Hoare triple {30514#(<= |ULTIMATE.start_main_~this_expect~0#1| 5)} assume !(0 != main_#t~nondet34#1);havoc main_#t~nondet34#1;assume -2147483648 <= main_#t~nondet35#1 && main_#t~nondet35#1 <= 2147483647; {30514#(<= |ULTIMATE.start_main_~this_expect~0#1| 5)} is VALID [2022-02-20 16:07:50,133 INFO L290 TraceCheckUtils]: 128: Hoare triple {30514#(<= |ULTIMATE.start_main_~this_expect~0#1| 5)} assume 0 != main_#t~nondet35#1;havoc main_#t~nondet35#1; {30514#(<= |ULTIMATE.start_main_~this_expect~0#1| 5)} is VALID [2022-02-20 16:07:50,133 INFO L290 TraceCheckUtils]: 129: Hoare triple {30514#(<= |ULTIMATE.start_main_~this_expect~0#1| 5)} assume 0 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2) && !(1 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2) && 0 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2));main_~method_id~0#1 := 5; {30514#(<= |ULTIMATE.start_main_~this_expect~0#1| 5)} is VALID [2022-02-20 16:07:50,134 INFO L290 TraceCheckUtils]: 130: Hoare triple {30514#(<= |ULTIMATE.start_main_~this_expect~0#1| 5)} assume !(((((if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2) != (if main_~this_expect~0#1 < 0 && 0 != main_~this_expect~0#1 % 2 then main_~this_expect~0#1 % 2 - 2 else main_~this_expect~0#1 % 2) && 1 == main_~this_buffer_empty~0#1) && 0 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2)) && 0 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2) && !(1 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2) && 0 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2))) || ((1 != main_~this_buffer_empty~0#1 && 0 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2)) && 0 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2) && !(1 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2) && 0 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2))));main_~q~0#1 := 5;main_~this_expect~0#1 := 1 + main_~this_expect~0#1;main_~this_buffer_empty~0#1 := 1 - main_~this_buffer_empty~0#1; {30515#(<= |ULTIMATE.start_main_~this_expect~0#1| 6)} is VALID [2022-02-20 16:07:50,134 INFO L290 TraceCheckUtils]: 131: Hoare triple {30515#(<= |ULTIMATE.start_main_~this_expect~0#1| 6)} assume !false;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_~P1~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647;main_~P2~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647;main_~P3~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;assume -2147483648 <= main_#t~nondet7#1 && main_#t~nondet7#1 <= 2147483647;main_~P4~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;assume -2147483648 <= main_#t~nondet8#1 && main_#t~nondet8#1 <= 2147483647;main_~P5~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647;main_~P6~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1;assume -2147483648 <= main_#t~nondet10#1 && main_#t~nondet10#1 <= 2147483647;main_~P7~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;assume -2147483648 <= main_#t~nondet11#1 && main_#t~nondet11#1 <= 2147483647;main_~P8~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;assume -2147483648 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 2147483647;main_~P9~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; {30515#(<= |ULTIMATE.start_main_~this_expect~0#1| 6)} is VALID [2022-02-20 16:07:50,135 INFO L290 TraceCheckUtils]: 132: Hoare triple {30515#(<= |ULTIMATE.start_main_~this_expect~0#1| 6)} assume main_~this_expect~0#1 > 16;main_~this_expect~0#1 := -16; {30508#false} is VALID [2022-02-20 16:07:50,135 INFO L290 TraceCheckUtils]: 133: Hoare triple {30508#false} assume !(0 == main_~q~0#1); {30508#false} is VALID [2022-02-20 16:07:50,135 INFO L290 TraceCheckUtils]: 134: Hoare triple {30508#false} assume !(1 == main_~q~0#1); {30508#false} is VALID [2022-02-20 16:07:50,135 INFO L290 TraceCheckUtils]: 135: Hoare triple {30508#false} assume !(2 == main_~q~0#1); {30508#false} is VALID [2022-02-20 16:07:50,135 INFO L290 TraceCheckUtils]: 136: Hoare triple {30508#false} assume !(3 == main_~q~0#1); {30508#false} is VALID [2022-02-20 16:07:50,135 INFO L290 TraceCheckUtils]: 137: Hoare triple {30508#false} assume !(4 == main_~q~0#1); {30508#false} is VALID [2022-02-20 16:07:50,135 INFO L290 TraceCheckUtils]: 138: Hoare triple {30508#false} assume 5 == main_~q~0#1;assume -2147483648 <= main_#t~nondet38#1 && main_#t~nondet38#1 <= 2147483647; {30508#false} is VALID [2022-02-20 16:07:50,135 INFO L290 TraceCheckUtils]: 139: Hoare triple {30508#false} assume !(0 != main_#t~nondet38#1);havoc main_#t~nondet38#1;assume -2147483648 <= main_#t~nondet39#1 && main_#t~nondet39#1 <= 2147483647; {30508#false} is VALID [2022-02-20 16:07:50,135 INFO L290 TraceCheckUtils]: 140: Hoare triple {30508#false} assume !(0 != main_#t~nondet39#1);havoc main_#t~nondet39#1;assume -2147483648 <= main_#t~nondet40#1 && main_#t~nondet40#1 <= 2147483647; {30508#false} is VALID [2022-02-20 16:07:50,135 INFO L290 TraceCheckUtils]: 141: Hoare triple {30508#false} assume !(0 != main_#t~nondet40#1);havoc main_#t~nondet40#1;assume -2147483648 <= main_#t~nondet41#1 && main_#t~nondet41#1 <= 2147483647; {30508#false} is VALID [2022-02-20 16:07:50,136 INFO L290 TraceCheckUtils]: 142: Hoare triple {30508#false} assume !(0 != main_#t~nondet41#1);havoc main_#t~nondet41#1;assume -2147483648 <= main_#t~nondet42#1 && main_#t~nondet42#1 <= 2147483647; {30508#false} is VALID [2022-02-20 16:07:50,136 INFO L290 TraceCheckUtils]: 143: Hoare triple {30508#false} assume 0 != main_#t~nondet42#1;havoc main_#t~nondet42#1; {30508#false} is VALID [2022-02-20 16:07:50,136 INFO L290 TraceCheckUtils]: 144: Hoare triple {30508#false} assume 0 != main_~P1~0#1 && 1 != main_~P1~0#1 && 0 != main_~P1~0#1;main_~method_id~0#1 := 6; {30508#false} is VALID [2022-02-20 16:07:50,136 INFO L290 TraceCheckUtils]: 145: Hoare triple {30508#false} assume ((main_~P8~0#1 == (if main_~this_expect~0#1 - 1 < 0 && 0 != (main_~this_expect~0#1 - 1) % 2 then (main_~this_expect~0#1 - 1) % 2 - 2 else (main_~this_expect~0#1 - 1) % 2) && 1 != main_~this_buffer_empty~0#1) && 0 != main_~P8~0#1) && 0 != main_~P8~0#1 && 1 != main_~P8~0#1 && 0 != main_~P8~0#1; {30508#false} is VALID [2022-02-20 16:07:50,136 INFO L290 TraceCheckUtils]: 146: Hoare triple {30508#false} assume !false; {30508#false} is VALID [2022-02-20 16:07:50,136 INFO L134 CoverageAnalysis]: Checked inductivity of 447 backedges. 91 proven. 330 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2022-02-20 16:07:50,137 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-20 16:07:50,693 INFO L290 TraceCheckUtils]: 146: Hoare triple {30508#false} assume !false; {30508#false} is VALID [2022-02-20 16:07:50,693 INFO L290 TraceCheckUtils]: 145: Hoare triple {30508#false} assume ((main_~P8~0#1 == (if main_~this_expect~0#1 - 1 < 0 && 0 != (main_~this_expect~0#1 - 1) % 2 then (main_~this_expect~0#1 - 1) % 2 - 2 else (main_~this_expect~0#1 - 1) % 2) && 1 != main_~this_buffer_empty~0#1) && 0 != main_~P8~0#1) && 0 != main_~P8~0#1 && 1 != main_~P8~0#1 && 0 != main_~P8~0#1; {30508#false} is VALID [2022-02-20 16:07:50,693 INFO L290 TraceCheckUtils]: 144: Hoare triple {30508#false} assume 0 != main_~P1~0#1 && 1 != main_~P1~0#1 && 0 != main_~P1~0#1;main_~method_id~0#1 := 6; {30508#false} is VALID [2022-02-20 16:07:50,693 INFO L290 TraceCheckUtils]: 143: Hoare triple {30508#false} assume 0 != main_#t~nondet42#1;havoc main_#t~nondet42#1; {30508#false} is VALID [2022-02-20 16:07:50,693 INFO L290 TraceCheckUtils]: 142: Hoare triple {30508#false} assume !(0 != main_#t~nondet41#1);havoc main_#t~nondet41#1;assume -2147483648 <= main_#t~nondet42#1 && main_#t~nondet42#1 <= 2147483647; {30508#false} is VALID [2022-02-20 16:07:50,693 INFO L290 TraceCheckUtils]: 141: Hoare triple {30508#false} assume !(0 != main_#t~nondet40#1);havoc main_#t~nondet40#1;assume -2147483648 <= main_#t~nondet41#1 && main_#t~nondet41#1 <= 2147483647; {30508#false} is VALID [2022-02-20 16:07:50,693 INFO L290 TraceCheckUtils]: 140: Hoare triple {30508#false} assume !(0 != main_#t~nondet39#1);havoc main_#t~nondet39#1;assume -2147483648 <= main_#t~nondet40#1 && main_#t~nondet40#1 <= 2147483647; {30508#false} is VALID [2022-02-20 16:07:50,693 INFO L290 TraceCheckUtils]: 139: Hoare triple {30508#false} assume !(0 != main_#t~nondet38#1);havoc main_#t~nondet38#1;assume -2147483648 <= main_#t~nondet39#1 && main_#t~nondet39#1 <= 2147483647; {30508#false} is VALID [2022-02-20 16:07:50,693 INFO L290 TraceCheckUtils]: 138: Hoare triple {30508#false} assume 5 == main_~q~0#1;assume -2147483648 <= main_#t~nondet38#1 && main_#t~nondet38#1 <= 2147483647; {30508#false} is VALID [2022-02-20 16:07:50,693 INFO L290 TraceCheckUtils]: 137: Hoare triple {30508#false} assume !(4 == main_~q~0#1); {30508#false} is VALID [2022-02-20 16:07:50,693 INFO L290 TraceCheckUtils]: 136: Hoare triple {30508#false} assume !(3 == main_~q~0#1); {30508#false} is VALID [2022-02-20 16:07:50,693 INFO L290 TraceCheckUtils]: 135: Hoare triple {30508#false} assume !(2 == main_~q~0#1); {30508#false} is VALID [2022-02-20 16:07:50,693 INFO L290 TraceCheckUtils]: 134: Hoare triple {30508#false} assume !(1 == main_~q~0#1); {30508#false} is VALID [2022-02-20 16:07:50,693 INFO L290 TraceCheckUtils]: 133: Hoare triple {30508#false} assume !(0 == main_~q~0#1); {30508#false} is VALID [2022-02-20 16:07:50,694 INFO L290 TraceCheckUtils]: 132: Hoare triple {31000#(not (< 16 |ULTIMATE.start_main_~this_expect~0#1|))} assume main_~this_expect~0#1 > 16;main_~this_expect~0#1 := -16; {30508#false} is VALID [2022-02-20 16:07:50,694 INFO L290 TraceCheckUtils]: 131: Hoare triple {31000#(not (< 16 |ULTIMATE.start_main_~this_expect~0#1|))} assume !false;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_~P1~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647;main_~P2~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647;main_~P3~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;assume -2147483648 <= main_#t~nondet7#1 && main_#t~nondet7#1 <= 2147483647;main_~P4~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;assume -2147483648 <= main_#t~nondet8#1 && main_#t~nondet8#1 <= 2147483647;main_~P5~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647;main_~P6~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1;assume -2147483648 <= main_#t~nondet10#1 && main_#t~nondet10#1 <= 2147483647;main_~P7~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;assume -2147483648 <= main_#t~nondet11#1 && main_#t~nondet11#1 <= 2147483647;main_~P8~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;assume -2147483648 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 2147483647;main_~P9~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; {31000#(not (< 16 |ULTIMATE.start_main_~this_expect~0#1|))} is VALID [2022-02-20 16:07:50,695 INFO L290 TraceCheckUtils]: 130: Hoare triple {31007#(<= |ULTIMATE.start_main_~this_expect~0#1| 15)} assume !(((((if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2) != (if main_~this_expect~0#1 < 0 && 0 != main_~this_expect~0#1 % 2 then main_~this_expect~0#1 % 2 - 2 else main_~this_expect~0#1 % 2) && 1 == main_~this_buffer_empty~0#1) && 0 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2)) && 0 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2) && !(1 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2) && 0 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2))) || ((1 != main_~this_buffer_empty~0#1 && 0 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2)) && 0 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2) && !(1 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2) && 0 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2))));main_~q~0#1 := 5;main_~this_expect~0#1 := 1 + main_~this_expect~0#1;main_~this_buffer_empty~0#1 := 1 - main_~this_buffer_empty~0#1; {31000#(not (< 16 |ULTIMATE.start_main_~this_expect~0#1|))} is VALID [2022-02-20 16:07:50,695 INFO L290 TraceCheckUtils]: 129: Hoare triple {31007#(<= |ULTIMATE.start_main_~this_expect~0#1| 15)} assume 0 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2) && !(1 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2) && 0 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2));main_~method_id~0#1 := 5; {31007#(<= |ULTIMATE.start_main_~this_expect~0#1| 15)} is VALID [2022-02-20 16:07:50,695 INFO L290 TraceCheckUtils]: 128: Hoare triple {31007#(<= |ULTIMATE.start_main_~this_expect~0#1| 15)} assume 0 != main_#t~nondet35#1;havoc main_#t~nondet35#1; {31007#(<= |ULTIMATE.start_main_~this_expect~0#1| 15)} is VALID [2022-02-20 16:07:50,696 INFO L290 TraceCheckUtils]: 127: Hoare triple {31007#(<= |ULTIMATE.start_main_~this_expect~0#1| 15)} assume !(0 != main_#t~nondet34#1);havoc main_#t~nondet34#1;assume -2147483648 <= main_#t~nondet35#1 && main_#t~nondet35#1 <= 2147483647; {31007#(<= |ULTIMATE.start_main_~this_expect~0#1| 15)} is VALID [2022-02-20 16:07:50,696 INFO L290 TraceCheckUtils]: 126: Hoare triple {31007#(<= |ULTIMATE.start_main_~this_expect~0#1| 15)} assume !(0 != main_#t~nondet33#1);havoc main_#t~nondet33#1;assume -2147483648 <= main_#t~nondet34#1 && main_#t~nondet34#1 <= 2147483647; {31007#(<= |ULTIMATE.start_main_~this_expect~0#1| 15)} is VALID [2022-02-20 16:07:50,696 INFO L290 TraceCheckUtils]: 125: Hoare triple {31007#(<= |ULTIMATE.start_main_~this_expect~0#1| 15)} assume !(0 != main_#t~nondet32#1);havoc main_#t~nondet32#1;assume -2147483648 <= main_#t~nondet33#1 && main_#t~nondet33#1 <= 2147483647; {31007#(<= |ULTIMATE.start_main_~this_expect~0#1| 15)} is VALID [2022-02-20 16:07:50,696 INFO L290 TraceCheckUtils]: 124: Hoare triple {31007#(<= |ULTIMATE.start_main_~this_expect~0#1| 15)} assume 4 == main_~q~0#1;assume -2147483648 <= main_#t~nondet32#1 && main_#t~nondet32#1 <= 2147483647; {31007#(<= |ULTIMATE.start_main_~this_expect~0#1| 15)} is VALID [2022-02-20 16:07:50,697 INFO L290 TraceCheckUtils]: 123: Hoare triple {31007#(<= |ULTIMATE.start_main_~this_expect~0#1| 15)} assume !(3 == main_~q~0#1); {31007#(<= |ULTIMATE.start_main_~this_expect~0#1| 15)} is VALID [2022-02-20 16:07:50,697 INFO L290 TraceCheckUtils]: 122: Hoare triple {31007#(<= |ULTIMATE.start_main_~this_expect~0#1| 15)} assume !(2 == main_~q~0#1); {31007#(<= |ULTIMATE.start_main_~this_expect~0#1| 15)} is VALID [2022-02-20 16:07:50,697 INFO L290 TraceCheckUtils]: 121: Hoare triple {31007#(<= |ULTIMATE.start_main_~this_expect~0#1| 15)} assume !(1 == main_~q~0#1); {31007#(<= |ULTIMATE.start_main_~this_expect~0#1| 15)} is VALID [2022-02-20 16:07:50,697 INFO L290 TraceCheckUtils]: 120: Hoare triple {31007#(<= |ULTIMATE.start_main_~this_expect~0#1| 15)} assume !(0 == main_~q~0#1); {31007#(<= |ULTIMATE.start_main_~this_expect~0#1| 15)} is VALID [2022-02-20 16:07:50,698 INFO L290 TraceCheckUtils]: 119: Hoare triple {31007#(<= |ULTIMATE.start_main_~this_expect~0#1| 15)} assume !(main_~this_expect~0#1 > 16); {31007#(<= |ULTIMATE.start_main_~this_expect~0#1| 15)} is VALID [2022-02-20 16:07:50,698 INFO L290 TraceCheckUtils]: 118: Hoare triple {31007#(<= |ULTIMATE.start_main_~this_expect~0#1| 15)} assume !false;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_~P1~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647;main_~P2~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647;main_~P3~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;assume -2147483648 <= main_#t~nondet7#1 && main_#t~nondet7#1 <= 2147483647;main_~P4~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;assume -2147483648 <= main_#t~nondet8#1 && main_#t~nondet8#1 <= 2147483647;main_~P5~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647;main_~P6~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1;assume -2147483648 <= main_#t~nondet10#1 && main_#t~nondet10#1 <= 2147483647;main_~P7~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;assume -2147483648 <= main_#t~nondet11#1 && main_#t~nondet11#1 <= 2147483647;main_~P8~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;assume -2147483648 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 2147483647;main_~P9~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; {31007#(<= |ULTIMATE.start_main_~this_expect~0#1| 15)} is VALID [2022-02-20 16:07:50,698 INFO L290 TraceCheckUtils]: 117: Hoare triple {31007#(<= |ULTIMATE.start_main_~this_expect~0#1| 15)} assume !((1 == main_~this_buffer_empty~0#1 && !(0 != main_~P3~0#1)) || ((main_~P3~0#1 != (if main_~this_expect~0#1 - 1 < 0 && 0 != (main_~this_expect~0#1 - 1) % 2 then (main_~this_expect~0#1 - 1) % 2 - 2 else (main_~this_expect~0#1 - 1) % 2) && 1 != main_~this_buffer_empty~0#1) && !(0 != main_~P3~0#1)));main_~q~0#1 := 4;main_~this_expect~0#1 := main_~this_expect~0#1;main_~this_buffer_empty~0#1 := 1 - main_~this_buffer_empty~0#1; {31007#(<= |ULTIMATE.start_main_~this_expect~0#1| 15)} is VALID [2022-02-20 16:07:50,699 INFO L290 TraceCheckUtils]: 116: Hoare triple {31007#(<= |ULTIMATE.start_main_~this_expect~0#1| 15)} assume !(0 != main_~P1~0#1);main_~method_id~0#1 := 3; {31007#(<= |ULTIMATE.start_main_~this_expect~0#1| 15)} is VALID [2022-02-20 16:07:50,699 INFO L290 TraceCheckUtils]: 115: Hoare triple {31007#(<= |ULTIMATE.start_main_~this_expect~0#1| 15)} assume 0 != main_#t~nondet27#1;havoc main_#t~nondet27#1; {31007#(<= |ULTIMATE.start_main_~this_expect~0#1| 15)} is VALID [2022-02-20 16:07:50,699 INFO L290 TraceCheckUtils]: 114: Hoare triple {31007#(<= |ULTIMATE.start_main_~this_expect~0#1| 15)} assume !(0 != main_#t~nondet26#1);havoc main_#t~nondet26#1;assume -2147483648 <= main_#t~nondet27#1 && main_#t~nondet27#1 <= 2147483647; {31007#(<= |ULTIMATE.start_main_~this_expect~0#1| 15)} is VALID [2022-02-20 16:07:50,700 INFO L290 TraceCheckUtils]: 113: Hoare triple {31007#(<= |ULTIMATE.start_main_~this_expect~0#1| 15)} assume 3 == main_~q~0#1;assume -2147483648 <= main_#t~nondet26#1 && main_#t~nondet26#1 <= 2147483647; {31007#(<= |ULTIMATE.start_main_~this_expect~0#1| 15)} is VALID [2022-02-20 16:07:50,700 INFO L290 TraceCheckUtils]: 112: Hoare triple {31007#(<= |ULTIMATE.start_main_~this_expect~0#1| 15)} assume !(2 == main_~q~0#1); {31007#(<= |ULTIMATE.start_main_~this_expect~0#1| 15)} is VALID [2022-02-20 16:07:50,700 INFO L290 TraceCheckUtils]: 111: Hoare triple {31007#(<= |ULTIMATE.start_main_~this_expect~0#1| 15)} assume !(1 == main_~q~0#1); {31007#(<= |ULTIMATE.start_main_~this_expect~0#1| 15)} is VALID [2022-02-20 16:07:50,700 INFO L290 TraceCheckUtils]: 110: Hoare triple {31007#(<= |ULTIMATE.start_main_~this_expect~0#1| 15)} assume !(0 == main_~q~0#1); {31007#(<= |ULTIMATE.start_main_~this_expect~0#1| 15)} is VALID [2022-02-20 16:07:50,701 INFO L290 TraceCheckUtils]: 109: Hoare triple {31007#(<= |ULTIMATE.start_main_~this_expect~0#1| 15)} assume !(main_~this_expect~0#1 > 16); {31007#(<= |ULTIMATE.start_main_~this_expect~0#1| 15)} is VALID [2022-02-20 16:07:50,701 INFO L290 TraceCheckUtils]: 108: Hoare triple {31007#(<= |ULTIMATE.start_main_~this_expect~0#1| 15)} assume !false;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_~P1~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647;main_~P2~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647;main_~P3~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;assume -2147483648 <= main_#t~nondet7#1 && main_#t~nondet7#1 <= 2147483647;main_~P4~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;assume -2147483648 <= main_#t~nondet8#1 && main_#t~nondet8#1 <= 2147483647;main_~P5~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647;main_~P6~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1;assume -2147483648 <= main_#t~nondet10#1 && main_#t~nondet10#1 <= 2147483647;main_~P7~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;assume -2147483648 <= main_#t~nondet11#1 && main_#t~nondet11#1 <= 2147483647;main_~P8~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;assume -2147483648 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 2147483647;main_~P9~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; {31007#(<= |ULTIMATE.start_main_~this_expect~0#1| 15)} is VALID [2022-02-20 16:07:50,702 INFO L290 TraceCheckUtils]: 107: Hoare triple {31077#(<= |ULTIMATE.start_main_~this_expect~0#1| 14)} assume !((((if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2) != (if main_~this_expect~0#1 < 0 && 0 != main_~this_expect~0#1 % 2 then main_~this_expect~0#1 % 2 - 2 else main_~this_expect~0#1 % 2) && 1 == main_~this_buffer_empty~0#1) && !(0 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2))) || (1 != main_~this_buffer_empty~0#1 && !(0 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2))));main_~q~0#1 := 3;main_~this_expect~0#1 := 1 + main_~this_expect~0#1;main_~this_buffer_empty~0#1 := 1 - main_~this_buffer_empty~0#1; {31007#(<= |ULTIMATE.start_main_~this_expect~0#1| 15)} is VALID [2022-02-20 16:07:50,702 INFO L290 TraceCheckUtils]: 106: Hoare triple {31077#(<= |ULTIMATE.start_main_~this_expect~0#1| 14)} assume !(0 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2));main_~method_id~0#1 := 2; {31077#(<= |ULTIMATE.start_main_~this_expect~0#1| 14)} is VALID [2022-02-20 16:07:50,702 INFO L290 TraceCheckUtils]: 105: Hoare triple {31077#(<= |ULTIMATE.start_main_~this_expect~0#1| 14)} assume 0 != main_#t~nondet14#1;havoc main_#t~nondet14#1; {31077#(<= |ULTIMATE.start_main_~this_expect~0#1| 14)} is VALID [2022-02-20 16:07:50,703 INFO L290 TraceCheckUtils]: 104: Hoare triple {31077#(<= |ULTIMATE.start_main_~this_expect~0#1| 14)} assume 1 == main_~q~0#1;assume -2147483648 <= main_#t~nondet14#1 && main_#t~nondet14#1 <= 2147483647; {31077#(<= |ULTIMATE.start_main_~this_expect~0#1| 14)} is VALID [2022-02-20 16:07:50,703 INFO L290 TraceCheckUtils]: 103: Hoare triple {31077#(<= |ULTIMATE.start_main_~this_expect~0#1| 14)} assume !(0 == main_~q~0#1); {31077#(<= |ULTIMATE.start_main_~this_expect~0#1| 14)} is VALID [2022-02-20 16:07:50,703 INFO L290 TraceCheckUtils]: 102: Hoare triple {31077#(<= |ULTIMATE.start_main_~this_expect~0#1| 14)} assume !(main_~this_expect~0#1 > 16); {31077#(<= |ULTIMATE.start_main_~this_expect~0#1| 14)} is VALID [2022-02-20 16:07:50,703 INFO L290 TraceCheckUtils]: 101: Hoare triple {31077#(<= |ULTIMATE.start_main_~this_expect~0#1| 14)} assume !false;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_~P1~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647;main_~P2~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647;main_~P3~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;assume -2147483648 <= main_#t~nondet7#1 && main_#t~nondet7#1 <= 2147483647;main_~P4~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;assume -2147483648 <= main_#t~nondet8#1 && main_#t~nondet8#1 <= 2147483647;main_~P5~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647;main_~P6~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1;assume -2147483648 <= main_#t~nondet10#1 && main_#t~nondet10#1 <= 2147483647;main_~P7~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;assume -2147483648 <= main_#t~nondet11#1 && main_#t~nondet11#1 <= 2147483647;main_~P8~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;assume -2147483648 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 2147483647;main_~P9~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; {31077#(<= |ULTIMATE.start_main_~this_expect~0#1| 14)} is VALID [2022-02-20 16:07:50,704 INFO L290 TraceCheckUtils]: 100: Hoare triple {31077#(<= |ULTIMATE.start_main_~this_expect~0#1| 14)} assume !(((1 == main_~this_buffer_empty~0#1 && 0 != main_~P9~0#1) && 0 != main_~P9~0#1 && !(1 != main_~P9~0#1 && 0 != main_~P9~0#1)) || (((main_~P9~0#1 != (if main_~this_expect~0#1 - 1 < 0 && 0 != (main_~this_expect~0#1 - 1) % 2 then (main_~this_expect~0#1 - 1) % 2 - 2 else (main_~this_expect~0#1 - 1) % 2) && 1 != main_~this_buffer_empty~0#1) && 0 != main_~P9~0#1) && 0 != main_~P9~0#1 && !(1 != main_~P9~0#1 && 0 != main_~P9~0#1)));main_~q~0#1 := 1;main_~this_expect~0#1 := main_~this_expect~0#1;main_~this_buffer_empty~0#1 := 1 - main_~this_buffer_empty~0#1; {31077#(<= |ULTIMATE.start_main_~this_expect~0#1| 14)} is VALID [2022-02-20 16:07:50,704 INFO L290 TraceCheckUtils]: 99: Hoare triple {31077#(<= |ULTIMATE.start_main_~this_expect~0#1| 14)} assume 0 != main_~P1~0#1 && !(1 != main_~P1~0#1 && 0 != main_~P1~0#1);main_~method_id~0#1 := 7; {31077#(<= |ULTIMATE.start_main_~this_expect~0#1| 14)} is VALID [2022-02-20 16:07:50,704 INFO L290 TraceCheckUtils]: 98: Hoare triple {31077#(<= |ULTIMATE.start_main_~this_expect~0#1| 14)} assume 0 != main_#t~nondet43#1;havoc main_#t~nondet43#1; {31077#(<= |ULTIMATE.start_main_~this_expect~0#1| 14)} is VALID [2022-02-20 16:07:50,705 INFO L290 TraceCheckUtils]: 97: Hoare triple {31077#(<= |ULTIMATE.start_main_~this_expect~0#1| 14)} assume !(0 != main_#t~nondet42#1);havoc main_#t~nondet42#1;assume -2147483648 <= main_#t~nondet43#1 && main_#t~nondet43#1 <= 2147483647; {31077#(<= |ULTIMATE.start_main_~this_expect~0#1| 14)} is VALID [2022-02-20 16:07:50,705 INFO L290 TraceCheckUtils]: 96: Hoare triple {31077#(<= |ULTIMATE.start_main_~this_expect~0#1| 14)} assume !(0 != main_#t~nondet41#1);havoc main_#t~nondet41#1;assume -2147483648 <= main_#t~nondet42#1 && main_#t~nondet42#1 <= 2147483647; {31077#(<= |ULTIMATE.start_main_~this_expect~0#1| 14)} is VALID [2022-02-20 16:07:50,705 INFO L290 TraceCheckUtils]: 95: Hoare triple {31077#(<= |ULTIMATE.start_main_~this_expect~0#1| 14)} assume !(0 != main_#t~nondet40#1);havoc main_#t~nondet40#1;assume -2147483648 <= main_#t~nondet41#1 && main_#t~nondet41#1 <= 2147483647; {31077#(<= |ULTIMATE.start_main_~this_expect~0#1| 14)} is VALID [2022-02-20 16:07:50,705 INFO L290 TraceCheckUtils]: 94: Hoare triple {31077#(<= |ULTIMATE.start_main_~this_expect~0#1| 14)} assume !(0 != main_#t~nondet39#1);havoc main_#t~nondet39#1;assume -2147483648 <= main_#t~nondet40#1 && main_#t~nondet40#1 <= 2147483647; {31077#(<= |ULTIMATE.start_main_~this_expect~0#1| 14)} is VALID [2022-02-20 16:07:50,706 INFO L290 TraceCheckUtils]: 93: Hoare triple {31077#(<= |ULTIMATE.start_main_~this_expect~0#1| 14)} assume !(0 != main_#t~nondet38#1);havoc main_#t~nondet38#1;assume -2147483648 <= main_#t~nondet39#1 && main_#t~nondet39#1 <= 2147483647; {31077#(<= |ULTIMATE.start_main_~this_expect~0#1| 14)} is VALID [2022-02-20 16:07:50,706 INFO L290 TraceCheckUtils]: 92: Hoare triple {31077#(<= |ULTIMATE.start_main_~this_expect~0#1| 14)} assume 5 == main_~q~0#1;assume -2147483648 <= main_#t~nondet38#1 && main_#t~nondet38#1 <= 2147483647; {31077#(<= |ULTIMATE.start_main_~this_expect~0#1| 14)} is VALID [2022-02-20 16:07:50,706 INFO L290 TraceCheckUtils]: 91: Hoare triple {31077#(<= |ULTIMATE.start_main_~this_expect~0#1| 14)} assume !(4 == main_~q~0#1); {31077#(<= |ULTIMATE.start_main_~this_expect~0#1| 14)} is VALID [2022-02-20 16:07:50,707 INFO L290 TraceCheckUtils]: 90: Hoare triple {31077#(<= |ULTIMATE.start_main_~this_expect~0#1| 14)} assume !(3 == main_~q~0#1); {31077#(<= |ULTIMATE.start_main_~this_expect~0#1| 14)} is VALID [2022-02-20 16:07:50,707 INFO L290 TraceCheckUtils]: 89: Hoare triple {31077#(<= |ULTIMATE.start_main_~this_expect~0#1| 14)} assume !(2 == main_~q~0#1); {31077#(<= |ULTIMATE.start_main_~this_expect~0#1| 14)} is VALID [2022-02-20 16:07:50,707 INFO L290 TraceCheckUtils]: 88: Hoare triple {31077#(<= |ULTIMATE.start_main_~this_expect~0#1| 14)} assume !(1 == main_~q~0#1); {31077#(<= |ULTIMATE.start_main_~this_expect~0#1| 14)} is VALID [2022-02-20 16:07:50,707 INFO L290 TraceCheckUtils]: 87: Hoare triple {31077#(<= |ULTIMATE.start_main_~this_expect~0#1| 14)} assume !(0 == main_~q~0#1); {31077#(<= |ULTIMATE.start_main_~this_expect~0#1| 14)} is VALID [2022-02-20 16:07:50,708 INFO L290 TraceCheckUtils]: 86: Hoare triple {31077#(<= |ULTIMATE.start_main_~this_expect~0#1| 14)} assume !(main_~this_expect~0#1 > 16); {31077#(<= |ULTIMATE.start_main_~this_expect~0#1| 14)} is VALID [2022-02-20 16:07:50,708 INFO L290 TraceCheckUtils]: 85: Hoare triple {31077#(<= |ULTIMATE.start_main_~this_expect~0#1| 14)} assume !false;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_~P1~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647;main_~P2~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647;main_~P3~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;assume -2147483648 <= main_#t~nondet7#1 && main_#t~nondet7#1 <= 2147483647;main_~P4~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;assume -2147483648 <= main_#t~nondet8#1 && main_#t~nondet8#1 <= 2147483647;main_~P5~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647;main_~P6~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1;assume -2147483648 <= main_#t~nondet10#1 && main_#t~nondet10#1 <= 2147483647;main_~P7~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;assume -2147483648 <= main_#t~nondet11#1 && main_#t~nondet11#1 <= 2147483647;main_~P8~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;assume -2147483648 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 2147483647;main_~P9~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; {31077#(<= |ULTIMATE.start_main_~this_expect~0#1| 14)} is VALID [2022-02-20 16:07:50,709 INFO L290 TraceCheckUtils]: 84: Hoare triple {31147#(<= |ULTIMATE.start_main_~this_expect~0#1| 13)} assume !(((((if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2) != (if main_~this_expect~0#1 < 0 && 0 != main_~this_expect~0#1 % 2 then main_~this_expect~0#1 % 2 - 2 else main_~this_expect~0#1 % 2) && 1 == main_~this_buffer_empty~0#1) && 0 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2)) && 0 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2) && !(1 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2) && 0 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2))) || ((1 != main_~this_buffer_empty~0#1 && 0 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2)) && 0 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2) && !(1 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2) && 0 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2))));main_~q~0#1 := 5;main_~this_expect~0#1 := 1 + main_~this_expect~0#1;main_~this_buffer_empty~0#1 := 1 - main_~this_buffer_empty~0#1; {31077#(<= |ULTIMATE.start_main_~this_expect~0#1| 14)} is VALID [2022-02-20 16:07:50,709 INFO L290 TraceCheckUtils]: 83: Hoare triple {31147#(<= |ULTIMATE.start_main_~this_expect~0#1| 13)} assume 0 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2) && !(1 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2) && 0 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2));main_~method_id~0#1 := 5; {31147#(<= |ULTIMATE.start_main_~this_expect~0#1| 13)} is VALID [2022-02-20 16:07:50,709 INFO L290 TraceCheckUtils]: 82: Hoare triple {31147#(<= |ULTIMATE.start_main_~this_expect~0#1| 13)} assume 0 != main_#t~nondet35#1;havoc main_#t~nondet35#1; {31147#(<= |ULTIMATE.start_main_~this_expect~0#1| 13)} is VALID [2022-02-20 16:07:50,709 INFO L290 TraceCheckUtils]: 81: Hoare triple {31147#(<= |ULTIMATE.start_main_~this_expect~0#1| 13)} assume !(0 != main_#t~nondet34#1);havoc main_#t~nondet34#1;assume -2147483648 <= main_#t~nondet35#1 && main_#t~nondet35#1 <= 2147483647; {31147#(<= |ULTIMATE.start_main_~this_expect~0#1| 13)} is VALID [2022-02-20 16:07:50,710 INFO L290 TraceCheckUtils]: 80: Hoare triple {31147#(<= |ULTIMATE.start_main_~this_expect~0#1| 13)} assume !(0 != main_#t~nondet33#1);havoc main_#t~nondet33#1;assume -2147483648 <= main_#t~nondet34#1 && main_#t~nondet34#1 <= 2147483647; {31147#(<= |ULTIMATE.start_main_~this_expect~0#1| 13)} is VALID [2022-02-20 16:07:50,710 INFO L290 TraceCheckUtils]: 79: Hoare triple {31147#(<= |ULTIMATE.start_main_~this_expect~0#1| 13)} assume !(0 != main_#t~nondet32#1);havoc main_#t~nondet32#1;assume -2147483648 <= main_#t~nondet33#1 && main_#t~nondet33#1 <= 2147483647; {31147#(<= |ULTIMATE.start_main_~this_expect~0#1| 13)} is VALID [2022-02-20 16:07:50,710 INFO L290 TraceCheckUtils]: 78: Hoare triple {31147#(<= |ULTIMATE.start_main_~this_expect~0#1| 13)} assume 4 == main_~q~0#1;assume -2147483648 <= main_#t~nondet32#1 && main_#t~nondet32#1 <= 2147483647; {31147#(<= |ULTIMATE.start_main_~this_expect~0#1| 13)} is VALID [2022-02-20 16:07:50,710 INFO L290 TraceCheckUtils]: 77: Hoare triple {31147#(<= |ULTIMATE.start_main_~this_expect~0#1| 13)} assume !(3 == main_~q~0#1); {31147#(<= |ULTIMATE.start_main_~this_expect~0#1| 13)} is VALID [2022-02-20 16:07:50,711 INFO L290 TraceCheckUtils]: 76: Hoare triple {31147#(<= |ULTIMATE.start_main_~this_expect~0#1| 13)} assume !(2 == main_~q~0#1); {31147#(<= |ULTIMATE.start_main_~this_expect~0#1| 13)} is VALID [2022-02-20 16:07:50,711 INFO L290 TraceCheckUtils]: 75: Hoare triple {31147#(<= |ULTIMATE.start_main_~this_expect~0#1| 13)} assume !(1 == main_~q~0#1); {31147#(<= |ULTIMATE.start_main_~this_expect~0#1| 13)} is VALID [2022-02-20 16:07:50,711 INFO L290 TraceCheckUtils]: 74: Hoare triple {31147#(<= |ULTIMATE.start_main_~this_expect~0#1| 13)} assume !(0 == main_~q~0#1); {31147#(<= |ULTIMATE.start_main_~this_expect~0#1| 13)} is VALID [2022-02-20 16:07:50,712 INFO L290 TraceCheckUtils]: 73: Hoare triple {31147#(<= |ULTIMATE.start_main_~this_expect~0#1| 13)} assume !(main_~this_expect~0#1 > 16); {31147#(<= |ULTIMATE.start_main_~this_expect~0#1| 13)} is VALID [2022-02-20 16:07:50,712 INFO L290 TraceCheckUtils]: 72: Hoare triple {31147#(<= |ULTIMATE.start_main_~this_expect~0#1| 13)} assume !false;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_~P1~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647;main_~P2~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647;main_~P3~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;assume -2147483648 <= main_#t~nondet7#1 && main_#t~nondet7#1 <= 2147483647;main_~P4~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;assume -2147483648 <= main_#t~nondet8#1 && main_#t~nondet8#1 <= 2147483647;main_~P5~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647;main_~P6~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1;assume -2147483648 <= main_#t~nondet10#1 && main_#t~nondet10#1 <= 2147483647;main_~P7~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;assume -2147483648 <= main_#t~nondet11#1 && main_#t~nondet11#1 <= 2147483647;main_~P8~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;assume -2147483648 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 2147483647;main_~P9~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; {31147#(<= |ULTIMATE.start_main_~this_expect~0#1| 13)} is VALID [2022-02-20 16:07:50,712 INFO L290 TraceCheckUtils]: 71: Hoare triple {31147#(<= |ULTIMATE.start_main_~this_expect~0#1| 13)} assume !((1 == main_~this_buffer_empty~0#1 && !(0 != main_~P3~0#1)) || ((main_~P3~0#1 != (if main_~this_expect~0#1 - 1 < 0 && 0 != (main_~this_expect~0#1 - 1) % 2 then (main_~this_expect~0#1 - 1) % 2 - 2 else (main_~this_expect~0#1 - 1) % 2) && 1 != main_~this_buffer_empty~0#1) && !(0 != main_~P3~0#1)));main_~q~0#1 := 4;main_~this_expect~0#1 := main_~this_expect~0#1;main_~this_buffer_empty~0#1 := 1 - main_~this_buffer_empty~0#1; {31147#(<= |ULTIMATE.start_main_~this_expect~0#1| 13)} is VALID [2022-02-20 16:07:50,713 INFO L290 TraceCheckUtils]: 70: Hoare triple {31147#(<= |ULTIMATE.start_main_~this_expect~0#1| 13)} assume !(0 != main_~P1~0#1);main_~method_id~0#1 := 3; {31147#(<= |ULTIMATE.start_main_~this_expect~0#1| 13)} is VALID [2022-02-20 16:07:50,713 INFO L290 TraceCheckUtils]: 69: Hoare triple {31147#(<= |ULTIMATE.start_main_~this_expect~0#1| 13)} assume 0 != main_#t~nondet27#1;havoc main_#t~nondet27#1; {31147#(<= |ULTIMATE.start_main_~this_expect~0#1| 13)} is VALID [2022-02-20 16:07:50,713 INFO L290 TraceCheckUtils]: 68: Hoare triple {31147#(<= |ULTIMATE.start_main_~this_expect~0#1| 13)} assume !(0 != main_#t~nondet26#1);havoc main_#t~nondet26#1;assume -2147483648 <= main_#t~nondet27#1 && main_#t~nondet27#1 <= 2147483647; {31147#(<= |ULTIMATE.start_main_~this_expect~0#1| 13)} is VALID [2022-02-20 16:07:50,713 INFO L290 TraceCheckUtils]: 67: Hoare triple {31147#(<= |ULTIMATE.start_main_~this_expect~0#1| 13)} assume 3 == main_~q~0#1;assume -2147483648 <= main_#t~nondet26#1 && main_#t~nondet26#1 <= 2147483647; {31147#(<= |ULTIMATE.start_main_~this_expect~0#1| 13)} is VALID [2022-02-20 16:07:50,714 INFO L290 TraceCheckUtils]: 66: Hoare triple {31147#(<= |ULTIMATE.start_main_~this_expect~0#1| 13)} assume !(2 == main_~q~0#1); {31147#(<= |ULTIMATE.start_main_~this_expect~0#1| 13)} is VALID [2022-02-20 16:07:50,714 INFO L290 TraceCheckUtils]: 65: Hoare triple {31147#(<= |ULTIMATE.start_main_~this_expect~0#1| 13)} assume !(1 == main_~q~0#1); {31147#(<= |ULTIMATE.start_main_~this_expect~0#1| 13)} is VALID [2022-02-20 16:07:50,714 INFO L290 TraceCheckUtils]: 64: Hoare triple {31147#(<= |ULTIMATE.start_main_~this_expect~0#1| 13)} assume !(0 == main_~q~0#1); {31147#(<= |ULTIMATE.start_main_~this_expect~0#1| 13)} is VALID [2022-02-20 16:07:50,715 INFO L290 TraceCheckUtils]: 63: Hoare triple {31147#(<= |ULTIMATE.start_main_~this_expect~0#1| 13)} assume !(main_~this_expect~0#1 > 16); {31147#(<= |ULTIMATE.start_main_~this_expect~0#1| 13)} is VALID [2022-02-20 16:07:50,715 INFO L290 TraceCheckUtils]: 62: Hoare triple {31147#(<= |ULTIMATE.start_main_~this_expect~0#1| 13)} assume !false;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_~P1~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647;main_~P2~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647;main_~P3~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;assume -2147483648 <= main_#t~nondet7#1 && main_#t~nondet7#1 <= 2147483647;main_~P4~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;assume -2147483648 <= main_#t~nondet8#1 && main_#t~nondet8#1 <= 2147483647;main_~P5~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647;main_~P6~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1;assume -2147483648 <= main_#t~nondet10#1 && main_#t~nondet10#1 <= 2147483647;main_~P7~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;assume -2147483648 <= main_#t~nondet11#1 && main_#t~nondet11#1 <= 2147483647;main_~P8~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;assume -2147483648 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 2147483647;main_~P9~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; {31147#(<= |ULTIMATE.start_main_~this_expect~0#1| 13)} is VALID [2022-02-20 16:07:50,715 INFO L290 TraceCheckUtils]: 61: Hoare triple {31217#(<= |ULTIMATE.start_main_~this_expect~0#1| 12)} assume !((((if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2) != (if main_~this_expect~0#1 < 0 && 0 != main_~this_expect~0#1 % 2 then main_~this_expect~0#1 % 2 - 2 else main_~this_expect~0#1 % 2) && 1 == main_~this_buffer_empty~0#1) && !(0 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2))) || (1 != main_~this_buffer_empty~0#1 && !(0 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2))));main_~q~0#1 := 3;main_~this_expect~0#1 := 1 + main_~this_expect~0#1;main_~this_buffer_empty~0#1 := 1 - main_~this_buffer_empty~0#1; {31147#(<= |ULTIMATE.start_main_~this_expect~0#1| 13)} is VALID [2022-02-20 16:07:50,716 INFO L290 TraceCheckUtils]: 60: Hoare triple {31217#(<= |ULTIMATE.start_main_~this_expect~0#1| 12)} assume !(0 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2));main_~method_id~0#1 := 2; {31217#(<= |ULTIMATE.start_main_~this_expect~0#1| 12)} is VALID [2022-02-20 16:07:50,716 INFO L290 TraceCheckUtils]: 59: Hoare triple {31217#(<= |ULTIMATE.start_main_~this_expect~0#1| 12)} assume 0 != main_#t~nondet14#1;havoc main_#t~nondet14#1; {31217#(<= |ULTIMATE.start_main_~this_expect~0#1| 12)} is VALID [2022-02-20 16:07:50,716 INFO L290 TraceCheckUtils]: 58: Hoare triple {31217#(<= |ULTIMATE.start_main_~this_expect~0#1| 12)} assume 1 == main_~q~0#1;assume -2147483648 <= main_#t~nondet14#1 && main_#t~nondet14#1 <= 2147483647; {31217#(<= |ULTIMATE.start_main_~this_expect~0#1| 12)} is VALID [2022-02-20 16:07:50,717 INFO L290 TraceCheckUtils]: 57: Hoare triple {31217#(<= |ULTIMATE.start_main_~this_expect~0#1| 12)} assume !(0 == main_~q~0#1); {31217#(<= |ULTIMATE.start_main_~this_expect~0#1| 12)} is VALID [2022-02-20 16:07:50,717 INFO L290 TraceCheckUtils]: 56: Hoare triple {31217#(<= |ULTIMATE.start_main_~this_expect~0#1| 12)} assume !(main_~this_expect~0#1 > 16); {31217#(<= |ULTIMATE.start_main_~this_expect~0#1| 12)} is VALID [2022-02-20 16:07:50,717 INFO L290 TraceCheckUtils]: 55: Hoare triple {31217#(<= |ULTIMATE.start_main_~this_expect~0#1| 12)} assume !false;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_~P1~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647;main_~P2~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647;main_~P3~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;assume -2147483648 <= main_#t~nondet7#1 && main_#t~nondet7#1 <= 2147483647;main_~P4~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;assume -2147483648 <= main_#t~nondet8#1 && main_#t~nondet8#1 <= 2147483647;main_~P5~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647;main_~P6~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1;assume -2147483648 <= main_#t~nondet10#1 && main_#t~nondet10#1 <= 2147483647;main_~P7~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;assume -2147483648 <= main_#t~nondet11#1 && main_#t~nondet11#1 <= 2147483647;main_~P8~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;assume -2147483648 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 2147483647;main_~P9~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; {31217#(<= |ULTIMATE.start_main_~this_expect~0#1| 12)} is VALID [2022-02-20 16:07:50,718 INFO L290 TraceCheckUtils]: 54: Hoare triple {31217#(<= |ULTIMATE.start_main_~this_expect~0#1| 12)} assume !(((1 == main_~this_buffer_empty~0#1 && 0 != main_~P9~0#1) && 0 != main_~P9~0#1 && !(1 != main_~P9~0#1 && 0 != main_~P9~0#1)) || (((main_~P9~0#1 != (if main_~this_expect~0#1 - 1 < 0 && 0 != (main_~this_expect~0#1 - 1) % 2 then (main_~this_expect~0#1 - 1) % 2 - 2 else (main_~this_expect~0#1 - 1) % 2) && 1 != main_~this_buffer_empty~0#1) && 0 != main_~P9~0#1) && 0 != main_~P9~0#1 && !(1 != main_~P9~0#1 && 0 != main_~P9~0#1)));main_~q~0#1 := 1;main_~this_expect~0#1 := main_~this_expect~0#1;main_~this_buffer_empty~0#1 := 1 - main_~this_buffer_empty~0#1; {31217#(<= |ULTIMATE.start_main_~this_expect~0#1| 12)} is VALID [2022-02-20 16:07:50,718 INFO L290 TraceCheckUtils]: 53: Hoare triple {31217#(<= |ULTIMATE.start_main_~this_expect~0#1| 12)} assume 0 != main_~P1~0#1 && !(1 != main_~P1~0#1 && 0 != main_~P1~0#1);main_~method_id~0#1 := 7; {31217#(<= |ULTIMATE.start_main_~this_expect~0#1| 12)} is VALID [2022-02-20 16:07:50,718 INFO L290 TraceCheckUtils]: 52: Hoare triple {31217#(<= |ULTIMATE.start_main_~this_expect~0#1| 12)} assume 0 != main_#t~nondet43#1;havoc main_#t~nondet43#1; {31217#(<= |ULTIMATE.start_main_~this_expect~0#1| 12)} is VALID [2022-02-20 16:07:50,718 INFO L290 TraceCheckUtils]: 51: Hoare triple {31217#(<= |ULTIMATE.start_main_~this_expect~0#1| 12)} assume !(0 != main_#t~nondet42#1);havoc main_#t~nondet42#1;assume -2147483648 <= main_#t~nondet43#1 && main_#t~nondet43#1 <= 2147483647; {31217#(<= |ULTIMATE.start_main_~this_expect~0#1| 12)} is VALID [2022-02-20 16:07:50,719 INFO L290 TraceCheckUtils]: 50: Hoare triple {31217#(<= |ULTIMATE.start_main_~this_expect~0#1| 12)} assume !(0 != main_#t~nondet41#1);havoc main_#t~nondet41#1;assume -2147483648 <= main_#t~nondet42#1 && main_#t~nondet42#1 <= 2147483647; {31217#(<= |ULTIMATE.start_main_~this_expect~0#1| 12)} is VALID [2022-02-20 16:07:50,719 INFO L290 TraceCheckUtils]: 49: Hoare triple {31217#(<= |ULTIMATE.start_main_~this_expect~0#1| 12)} assume !(0 != main_#t~nondet40#1);havoc main_#t~nondet40#1;assume -2147483648 <= main_#t~nondet41#1 && main_#t~nondet41#1 <= 2147483647; {31217#(<= |ULTIMATE.start_main_~this_expect~0#1| 12)} is VALID [2022-02-20 16:07:50,719 INFO L290 TraceCheckUtils]: 48: Hoare triple {31217#(<= |ULTIMATE.start_main_~this_expect~0#1| 12)} assume !(0 != main_#t~nondet39#1);havoc main_#t~nondet39#1;assume -2147483648 <= main_#t~nondet40#1 && main_#t~nondet40#1 <= 2147483647; {31217#(<= |ULTIMATE.start_main_~this_expect~0#1| 12)} is VALID [2022-02-20 16:07:50,720 INFO L290 TraceCheckUtils]: 47: Hoare triple {31217#(<= |ULTIMATE.start_main_~this_expect~0#1| 12)} assume !(0 != main_#t~nondet38#1);havoc main_#t~nondet38#1;assume -2147483648 <= main_#t~nondet39#1 && main_#t~nondet39#1 <= 2147483647; {31217#(<= |ULTIMATE.start_main_~this_expect~0#1| 12)} is VALID [2022-02-20 16:07:50,720 INFO L290 TraceCheckUtils]: 46: Hoare triple {31217#(<= |ULTIMATE.start_main_~this_expect~0#1| 12)} assume 5 == main_~q~0#1;assume -2147483648 <= main_#t~nondet38#1 && main_#t~nondet38#1 <= 2147483647; {31217#(<= |ULTIMATE.start_main_~this_expect~0#1| 12)} is VALID [2022-02-20 16:07:50,720 INFO L290 TraceCheckUtils]: 45: Hoare triple {31217#(<= |ULTIMATE.start_main_~this_expect~0#1| 12)} assume !(4 == main_~q~0#1); {31217#(<= |ULTIMATE.start_main_~this_expect~0#1| 12)} is VALID [2022-02-20 16:07:50,720 INFO L290 TraceCheckUtils]: 44: Hoare triple {31217#(<= |ULTIMATE.start_main_~this_expect~0#1| 12)} assume !(3 == main_~q~0#1); {31217#(<= |ULTIMATE.start_main_~this_expect~0#1| 12)} is VALID [2022-02-20 16:07:50,721 INFO L290 TraceCheckUtils]: 43: Hoare triple {31217#(<= |ULTIMATE.start_main_~this_expect~0#1| 12)} assume !(2 == main_~q~0#1); {31217#(<= |ULTIMATE.start_main_~this_expect~0#1| 12)} is VALID [2022-02-20 16:07:50,721 INFO L290 TraceCheckUtils]: 42: Hoare triple {31217#(<= |ULTIMATE.start_main_~this_expect~0#1| 12)} assume !(1 == main_~q~0#1); {31217#(<= |ULTIMATE.start_main_~this_expect~0#1| 12)} is VALID [2022-02-20 16:07:50,721 INFO L290 TraceCheckUtils]: 41: Hoare triple {31217#(<= |ULTIMATE.start_main_~this_expect~0#1| 12)} assume !(0 == main_~q~0#1); {31217#(<= |ULTIMATE.start_main_~this_expect~0#1| 12)} is VALID [2022-02-20 16:07:50,722 INFO L290 TraceCheckUtils]: 40: Hoare triple {31217#(<= |ULTIMATE.start_main_~this_expect~0#1| 12)} assume !(main_~this_expect~0#1 > 16); {31217#(<= |ULTIMATE.start_main_~this_expect~0#1| 12)} is VALID [2022-02-20 16:07:50,722 INFO L290 TraceCheckUtils]: 39: Hoare triple {31217#(<= |ULTIMATE.start_main_~this_expect~0#1| 12)} assume !false;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_~P1~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647;main_~P2~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647;main_~P3~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;assume -2147483648 <= main_#t~nondet7#1 && main_#t~nondet7#1 <= 2147483647;main_~P4~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;assume -2147483648 <= main_#t~nondet8#1 && main_#t~nondet8#1 <= 2147483647;main_~P5~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647;main_~P6~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1;assume -2147483648 <= main_#t~nondet10#1 && main_#t~nondet10#1 <= 2147483647;main_~P7~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;assume -2147483648 <= main_#t~nondet11#1 && main_#t~nondet11#1 <= 2147483647;main_~P8~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;assume -2147483648 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 2147483647;main_~P9~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; {31217#(<= |ULTIMATE.start_main_~this_expect~0#1| 12)} is VALID [2022-02-20 16:07:50,722 INFO L290 TraceCheckUtils]: 38: Hoare triple {31287#(<= |ULTIMATE.start_main_~this_expect~0#1| 11)} assume !(((((if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2) != (if main_~this_expect~0#1 < 0 && 0 != main_~this_expect~0#1 % 2 then main_~this_expect~0#1 % 2 - 2 else main_~this_expect~0#1 % 2) && 1 == main_~this_buffer_empty~0#1) && 0 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2)) && 0 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2) && !(1 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2) && 0 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2))) || ((1 != main_~this_buffer_empty~0#1 && 0 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2)) && 0 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2) && !(1 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2) && 0 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2))));main_~q~0#1 := 5;main_~this_expect~0#1 := 1 + main_~this_expect~0#1;main_~this_buffer_empty~0#1 := 1 - main_~this_buffer_empty~0#1; {31217#(<= |ULTIMATE.start_main_~this_expect~0#1| 12)} is VALID [2022-02-20 16:07:50,723 INFO L290 TraceCheckUtils]: 37: Hoare triple {31287#(<= |ULTIMATE.start_main_~this_expect~0#1| 11)} assume 0 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2) && !(1 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2) && 0 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2));main_~method_id~0#1 := 5; {31287#(<= |ULTIMATE.start_main_~this_expect~0#1| 11)} is VALID [2022-02-20 16:07:50,723 INFO L290 TraceCheckUtils]: 36: Hoare triple {31287#(<= |ULTIMATE.start_main_~this_expect~0#1| 11)} assume 0 != main_#t~nondet35#1;havoc main_#t~nondet35#1; {31287#(<= |ULTIMATE.start_main_~this_expect~0#1| 11)} is VALID [2022-02-20 16:07:50,723 INFO L290 TraceCheckUtils]: 35: Hoare triple {31287#(<= |ULTIMATE.start_main_~this_expect~0#1| 11)} assume !(0 != main_#t~nondet34#1);havoc main_#t~nondet34#1;assume -2147483648 <= main_#t~nondet35#1 && main_#t~nondet35#1 <= 2147483647; {31287#(<= |ULTIMATE.start_main_~this_expect~0#1| 11)} is VALID [2022-02-20 16:07:50,724 INFO L290 TraceCheckUtils]: 34: Hoare triple {31287#(<= |ULTIMATE.start_main_~this_expect~0#1| 11)} assume !(0 != main_#t~nondet33#1);havoc main_#t~nondet33#1;assume -2147483648 <= main_#t~nondet34#1 && main_#t~nondet34#1 <= 2147483647; {31287#(<= |ULTIMATE.start_main_~this_expect~0#1| 11)} is VALID [2022-02-20 16:07:50,724 INFO L290 TraceCheckUtils]: 33: Hoare triple {31287#(<= |ULTIMATE.start_main_~this_expect~0#1| 11)} assume !(0 != main_#t~nondet32#1);havoc main_#t~nondet32#1;assume -2147483648 <= main_#t~nondet33#1 && main_#t~nondet33#1 <= 2147483647; {31287#(<= |ULTIMATE.start_main_~this_expect~0#1| 11)} is VALID [2022-02-20 16:07:50,724 INFO L290 TraceCheckUtils]: 32: Hoare triple {31287#(<= |ULTIMATE.start_main_~this_expect~0#1| 11)} assume 4 == main_~q~0#1;assume -2147483648 <= main_#t~nondet32#1 && main_#t~nondet32#1 <= 2147483647; {31287#(<= |ULTIMATE.start_main_~this_expect~0#1| 11)} is VALID [2022-02-20 16:07:50,724 INFO L290 TraceCheckUtils]: 31: Hoare triple {31287#(<= |ULTIMATE.start_main_~this_expect~0#1| 11)} assume !(3 == main_~q~0#1); {31287#(<= |ULTIMATE.start_main_~this_expect~0#1| 11)} is VALID [2022-02-20 16:07:50,725 INFO L290 TraceCheckUtils]: 30: Hoare triple {31287#(<= |ULTIMATE.start_main_~this_expect~0#1| 11)} assume !(2 == main_~q~0#1); {31287#(<= |ULTIMATE.start_main_~this_expect~0#1| 11)} is VALID [2022-02-20 16:07:50,725 INFO L290 TraceCheckUtils]: 29: Hoare triple {31287#(<= |ULTIMATE.start_main_~this_expect~0#1| 11)} assume !(1 == main_~q~0#1); {31287#(<= |ULTIMATE.start_main_~this_expect~0#1| 11)} is VALID [2022-02-20 16:07:50,725 INFO L290 TraceCheckUtils]: 28: Hoare triple {31287#(<= |ULTIMATE.start_main_~this_expect~0#1| 11)} assume !(0 == main_~q~0#1); {31287#(<= |ULTIMATE.start_main_~this_expect~0#1| 11)} is VALID [2022-02-20 16:07:50,726 INFO L290 TraceCheckUtils]: 27: Hoare triple {31287#(<= |ULTIMATE.start_main_~this_expect~0#1| 11)} assume !(main_~this_expect~0#1 > 16); {31287#(<= |ULTIMATE.start_main_~this_expect~0#1| 11)} is VALID [2022-02-20 16:07:50,726 INFO L290 TraceCheckUtils]: 26: Hoare triple {31287#(<= |ULTIMATE.start_main_~this_expect~0#1| 11)} assume !false;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_~P1~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647;main_~P2~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647;main_~P3~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;assume -2147483648 <= main_#t~nondet7#1 && main_#t~nondet7#1 <= 2147483647;main_~P4~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;assume -2147483648 <= main_#t~nondet8#1 && main_#t~nondet8#1 <= 2147483647;main_~P5~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647;main_~P6~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1;assume -2147483648 <= main_#t~nondet10#1 && main_#t~nondet10#1 <= 2147483647;main_~P7~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;assume -2147483648 <= main_#t~nondet11#1 && main_#t~nondet11#1 <= 2147483647;main_~P8~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;assume -2147483648 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 2147483647;main_~P9~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; {31287#(<= |ULTIMATE.start_main_~this_expect~0#1| 11)} is VALID [2022-02-20 16:07:50,726 INFO L290 TraceCheckUtils]: 25: Hoare triple {31287#(<= |ULTIMATE.start_main_~this_expect~0#1| 11)} assume !((1 == main_~this_buffer_empty~0#1 && !(0 != main_~P3~0#1)) || ((main_~P3~0#1 != (if main_~this_expect~0#1 - 1 < 0 && 0 != (main_~this_expect~0#1 - 1) % 2 then (main_~this_expect~0#1 - 1) % 2 - 2 else (main_~this_expect~0#1 - 1) % 2) && 1 != main_~this_buffer_empty~0#1) && !(0 != main_~P3~0#1)));main_~q~0#1 := 4;main_~this_expect~0#1 := main_~this_expect~0#1;main_~this_buffer_empty~0#1 := 1 - main_~this_buffer_empty~0#1; {31287#(<= |ULTIMATE.start_main_~this_expect~0#1| 11)} is VALID [2022-02-20 16:07:50,727 INFO L290 TraceCheckUtils]: 24: Hoare triple {31287#(<= |ULTIMATE.start_main_~this_expect~0#1| 11)} assume !(0 != main_~P1~0#1);main_~method_id~0#1 := 3; {31287#(<= |ULTIMATE.start_main_~this_expect~0#1| 11)} is VALID [2022-02-20 16:07:50,727 INFO L290 TraceCheckUtils]: 23: Hoare triple {31287#(<= |ULTIMATE.start_main_~this_expect~0#1| 11)} assume 0 != main_#t~nondet27#1;havoc main_#t~nondet27#1; {31287#(<= |ULTIMATE.start_main_~this_expect~0#1| 11)} is VALID [2022-02-20 16:07:50,727 INFO L290 TraceCheckUtils]: 22: Hoare triple {31287#(<= |ULTIMATE.start_main_~this_expect~0#1| 11)} assume !(0 != main_#t~nondet26#1);havoc main_#t~nondet26#1;assume -2147483648 <= main_#t~nondet27#1 && main_#t~nondet27#1 <= 2147483647; {31287#(<= |ULTIMATE.start_main_~this_expect~0#1| 11)} is VALID [2022-02-20 16:07:50,727 INFO L290 TraceCheckUtils]: 21: Hoare triple {31287#(<= |ULTIMATE.start_main_~this_expect~0#1| 11)} assume 3 == main_~q~0#1;assume -2147483648 <= main_#t~nondet26#1 && main_#t~nondet26#1 <= 2147483647; {31287#(<= |ULTIMATE.start_main_~this_expect~0#1| 11)} is VALID [2022-02-20 16:07:50,728 INFO L290 TraceCheckUtils]: 20: Hoare triple {31287#(<= |ULTIMATE.start_main_~this_expect~0#1| 11)} assume !(2 == main_~q~0#1); {31287#(<= |ULTIMATE.start_main_~this_expect~0#1| 11)} is VALID [2022-02-20 16:07:50,728 INFO L290 TraceCheckUtils]: 19: Hoare triple {31287#(<= |ULTIMATE.start_main_~this_expect~0#1| 11)} assume !(1 == main_~q~0#1); {31287#(<= |ULTIMATE.start_main_~this_expect~0#1| 11)} is VALID [2022-02-20 16:07:50,728 INFO L290 TraceCheckUtils]: 18: Hoare triple {31287#(<= |ULTIMATE.start_main_~this_expect~0#1| 11)} assume !(0 == main_~q~0#1); {31287#(<= |ULTIMATE.start_main_~this_expect~0#1| 11)} is VALID [2022-02-20 16:07:50,729 INFO L290 TraceCheckUtils]: 17: Hoare triple {31287#(<= |ULTIMATE.start_main_~this_expect~0#1| 11)} assume !(main_~this_expect~0#1 > 16); {31287#(<= |ULTIMATE.start_main_~this_expect~0#1| 11)} is VALID [2022-02-20 16:07:50,729 INFO L290 TraceCheckUtils]: 16: Hoare triple {31287#(<= |ULTIMATE.start_main_~this_expect~0#1| 11)} assume !false;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_~P1~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647;main_~P2~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647;main_~P3~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;assume -2147483648 <= main_#t~nondet7#1 && main_#t~nondet7#1 <= 2147483647;main_~P4~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;assume -2147483648 <= main_#t~nondet8#1 && main_#t~nondet8#1 <= 2147483647;main_~P5~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647;main_~P6~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1;assume -2147483648 <= main_#t~nondet10#1 && main_#t~nondet10#1 <= 2147483647;main_~P7~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;assume -2147483648 <= main_#t~nondet11#1 && main_#t~nondet11#1 <= 2147483647;main_~P8~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;assume -2147483648 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 2147483647;main_~P9~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; {31287#(<= |ULTIMATE.start_main_~this_expect~0#1| 11)} is VALID [2022-02-20 16:07:50,729 INFO L290 TraceCheckUtils]: 15: Hoare triple {31357#(<= |ULTIMATE.start_main_~this_expect~0#1| 10)} assume !((((if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2) != (if main_~this_expect~0#1 < 0 && 0 != main_~this_expect~0#1 % 2 then main_~this_expect~0#1 % 2 - 2 else main_~this_expect~0#1 % 2) && 1 == main_~this_buffer_empty~0#1) && !(0 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2))) || (1 != main_~this_buffer_empty~0#1 && !(0 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2))));main_~q~0#1 := 3;main_~this_expect~0#1 := 1 + main_~this_expect~0#1;main_~this_buffer_empty~0#1 := 1 - main_~this_buffer_empty~0#1; {31287#(<= |ULTIMATE.start_main_~this_expect~0#1| 11)} is VALID [2022-02-20 16:07:50,730 INFO L290 TraceCheckUtils]: 14: Hoare triple {31357#(<= |ULTIMATE.start_main_~this_expect~0#1| 10)} assume !(0 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2));main_~method_id~0#1 := 2; {31357#(<= |ULTIMATE.start_main_~this_expect~0#1| 10)} is VALID [2022-02-20 16:07:50,730 INFO L290 TraceCheckUtils]: 13: Hoare triple {31357#(<= |ULTIMATE.start_main_~this_expect~0#1| 10)} assume 0 != main_#t~nondet14#1;havoc main_#t~nondet14#1; {31357#(<= |ULTIMATE.start_main_~this_expect~0#1| 10)} is VALID [2022-02-20 16:07:50,730 INFO L290 TraceCheckUtils]: 12: Hoare triple {31357#(<= |ULTIMATE.start_main_~this_expect~0#1| 10)} assume 1 == main_~q~0#1;assume -2147483648 <= main_#t~nondet14#1 && main_#t~nondet14#1 <= 2147483647; {31357#(<= |ULTIMATE.start_main_~this_expect~0#1| 10)} is VALID [2022-02-20 16:07:50,731 INFO L290 TraceCheckUtils]: 11: Hoare triple {31357#(<= |ULTIMATE.start_main_~this_expect~0#1| 10)} assume !(0 == main_~q~0#1); {31357#(<= |ULTIMATE.start_main_~this_expect~0#1| 10)} is VALID [2022-02-20 16:07:50,731 INFO L290 TraceCheckUtils]: 10: Hoare triple {31357#(<= |ULTIMATE.start_main_~this_expect~0#1| 10)} assume !(main_~this_expect~0#1 > 16); {31357#(<= |ULTIMATE.start_main_~this_expect~0#1| 10)} is VALID [2022-02-20 16:07:50,731 INFO L290 TraceCheckUtils]: 9: Hoare triple {31357#(<= |ULTIMATE.start_main_~this_expect~0#1| 10)} assume !false;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_~P1~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647;main_~P2~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647;main_~P3~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;assume -2147483648 <= main_#t~nondet7#1 && main_#t~nondet7#1 <= 2147483647;main_~P4~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;assume -2147483648 <= main_#t~nondet8#1 && main_#t~nondet8#1 <= 2147483647;main_~P5~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647;main_~P6~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1;assume -2147483648 <= main_#t~nondet10#1 && main_#t~nondet10#1 <= 2147483647;main_~P7~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;assume -2147483648 <= main_#t~nondet11#1 && main_#t~nondet11#1 <= 2147483647;main_~P8~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;assume -2147483648 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 2147483647;main_~P9~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; {31357#(<= |ULTIMATE.start_main_~this_expect~0#1| 10)} is VALID [2022-02-20 16:07:50,731 INFO L290 TraceCheckUtils]: 8: Hoare triple {30507#true} assume !false;main_~q~0#1 := 1;main_~this_expect~0#1 := 0;main_~this_buffer_empty~0#1 := 1; {31357#(<= |ULTIMATE.start_main_~this_expect~0#1| 10)} is VALID [2022-02-20 16:07:50,732 INFO L290 TraceCheckUtils]: 7: Hoare triple {30507#true} main_~method_id~0#1 := 1; {30507#true} is VALID [2022-02-20 16:07:50,732 INFO L290 TraceCheckUtils]: 6: Hoare triple {30507#true} assume 0 != main_#t~nondet13#1;havoc main_#t~nondet13#1; {30507#true} is VALID [2022-02-20 16:07:50,732 INFO L290 TraceCheckUtils]: 5: Hoare triple {30507#true} assume 0 == main_~q~0#1;assume -2147483648 <= main_#t~nondet13#1 && main_#t~nondet13#1 <= 2147483647; {30507#true} is VALID [2022-02-20 16:07:50,732 INFO L290 TraceCheckUtils]: 4: Hoare triple {30507#true} assume !(main_~this_expect~0#1 > 16); {30507#true} is VALID [2022-02-20 16:07:50,732 INFO L290 TraceCheckUtils]: 3: Hoare triple {30507#true} assume !false;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_~P1~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647;main_~P2~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647;main_~P3~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;assume -2147483648 <= main_#t~nondet7#1 && main_#t~nondet7#1 <= 2147483647;main_~P4~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;assume -2147483648 <= main_#t~nondet8#1 && main_#t~nondet8#1 <= 2147483647;main_~P5~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647;main_~P6~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1;assume -2147483648 <= main_#t~nondet10#1 && main_#t~nondet10#1 <= 2147483647;main_~P7~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;assume -2147483648 <= main_#t~nondet11#1 && main_#t~nondet11#1 <= 2147483647;main_~P8~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;assume -2147483648 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 2147483647;main_~P9~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; {30507#true} is VALID [2022-02-20 16:07:50,732 INFO L290 TraceCheckUtils]: 2: Hoare triple {30507#true} goto; {30507#true} is VALID [2022-02-20 16:07:50,732 INFO L290 TraceCheckUtils]: 1: Hoare triple {30507#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~nondet5#1, main_#t~nondet6#1, main_#t~nondet7#1, main_#t~nondet8#1, main_#t~nondet9#1, main_#t~nondet10#1, main_#t~nondet11#1, main_#t~nondet12#1, main_#t~nondet13#1, main_#t~nondet14#1, main_#t~nondet15#1, main_#t~nondet16#1, main_#t~nondet17#1, main_#t~nondet18#1, main_#t~nondet19#1, main_#t~nondet20#1, main_#t~nondet21#1, main_#t~nondet22#1, main_#t~nondet23#1, main_#t~nondet24#1, main_#t~nondet25#1, main_#t~nondet26#1, main_#t~nondet27#1, main_#t~nondet28#1, main_#t~nondet29#1, main_#t~nondet30#1, main_#t~nondet31#1, main_#t~nondet32#1, main_#t~nondet33#1, main_#t~nondet34#1, main_#t~nondet35#1, main_#t~nondet36#1, main_#t~nondet37#1, main_#t~nondet38#1, main_#t~nondet39#1, main_#t~nondet40#1, main_#t~nondet41#1, main_#t~nondet42#1, main_#t~nondet43#1, main_~P1~0#1, main_~P2~0#1, main_~P3~0#1, main_~P4~0#1, main_~P5~0#1, main_~P6~0#1, main_~P7~0#1, main_~P8~0#1, main_~P9~0#1, main_~q~0#1, main_~method_id~0#1, main_~this_expect~0#1, main_~this_buffer_empty~0#1;main_~q~0#1 := 0;havoc main_~method_id~0#1;main_~this_expect~0#1 := 0;main_~this_buffer_empty~0#1 := 0; {30507#true} is VALID [2022-02-20 16:07:50,732 INFO L290 TraceCheckUtils]: 0: Hoare triple {30507#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(16, 2);call #Ultimate.allocInit(12, 3);~m_Protocol~0 := 1;~m_msg_2~0 := 2;~m_recv_ack_2~0 := 3;~m_msg_1_1~0 := 4;~m_msg_1_2~0 := 5;~m_recv_ack_1_1~0 := 6;~m_recv_ack_1_2~0 := 7; {30507#true} is VALID [2022-02-20 16:07:50,733 INFO L134 CoverageAnalysis]: Checked inductivity of 447 backedges. 91 proven. 330 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2022-02-20 16:07:50,733 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1159837313] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-20 16:07:50,733 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-20 16:07:50,733 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 17 [2022-02-20 16:07:50,733 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [27121457] [2022-02-20 16:07:50,733 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-20 16:07:50,734 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 14.0) internal successors, (238), 17 states have internal predecessors, (238), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 147 [2022-02-20 16:07:50,734 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 16:07:50,734 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 17 states, 17 states have (on average 14.0) internal successors, (238), 17 states have internal predecessors, (238), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:07:50,855 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 238 edges. 238 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 16:07:50,855 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-02-20 16:07:50,855 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 16:07:50,855 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-02-20 16:07:50,856 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=136, Invalid=136, Unknown=0, NotChecked=0, Total=272 [2022-02-20 16:07:50,856 INFO L87 Difference]: Start difference. First operand 628 states and 879 transitions. Second operand has 17 states, 17 states have (on average 14.0) internal successors, (238), 17 states have internal predecessors, (238), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:07:52,343 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 16:07:52,343 INFO L93 Difference]: Finished difference Result 1687 states and 2343 transitions. [2022-02-20 16:07:52,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-02-20 16:07:52,344 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 14.0) internal successors, (238), 17 states have internal predecessors, (238), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 147 [2022-02-20 16:07:52,344 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 16:07:52,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 17 states have (on average 14.0) internal successors, (238), 17 states have internal predecessors, (238), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:07:52,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 1053 transitions. [2022-02-20 16:07:52,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 17 states have (on average 14.0) internal successors, (238), 17 states have internal predecessors, (238), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:07:52,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 1053 transitions. [2022-02-20 16:07:52,351 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 17 states and 1053 transitions. [2022-02-20 16:07:52,981 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 1053 edges. 1053 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 16:07:53,031 INFO L225 Difference]: With dead ends: 1687 [2022-02-20 16:07:53,031 INFO L226 Difference]: Without dead ends: 1323 [2022-02-20 16:07:53,032 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 306 GetRequests, 291 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=136, Invalid=136, Unknown=0, NotChecked=0, Total=272 [2022-02-20 16:07:53,032 INFO L933 BasicCegarLoop]: 169 mSDtfsCounter, 1923 mSDsluCounter, 1165 mSDsCounter, 0 mSdLazyCounter, 120 mSolverCounterSat, 115 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1923 SdHoareTripleChecker+Valid, 1334 SdHoareTripleChecker+Invalid, 235 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 115 IncrementalHoareTripleChecker+Valid, 120 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-02-20 16:07:53,032 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1923 Valid, 1334 Invalid, 235 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [115 Valid, 120 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-02-20 16:07:53,033 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1323 states. [2022-02-20 16:07:53,362 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1323 to 1252. [2022-02-20 16:07:53,363 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 16:07:53,364 INFO L82 GeneralOperation]: Start isEquivalent. First operand 1323 states. Second operand has 1252 states, 1251 states have (on average 1.3996802557953638) internal successors, (1751), 1251 states have internal predecessors, (1751), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:07:53,364 INFO L74 IsIncluded]: Start isIncluded. First operand 1323 states. Second operand has 1252 states, 1251 states have (on average 1.3996802557953638) internal successors, (1751), 1251 states have internal predecessors, (1751), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:07:53,365 INFO L87 Difference]: Start difference. First operand 1323 states. Second operand has 1252 states, 1251 states have (on average 1.3996802557953638) internal successors, (1751), 1251 states have internal predecessors, (1751), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:07:53,408 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 16:07:53,409 INFO L93 Difference]: Finished difference Result 1323 states and 1809 transitions. [2022-02-20 16:07:53,409 INFO L276 IsEmpty]: Start isEmpty. Operand 1323 states and 1809 transitions. [2022-02-20 16:07:53,410 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 16:07:53,410 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 16:07:53,411 INFO L74 IsIncluded]: Start isIncluded. First operand has 1252 states, 1251 states have (on average 1.3996802557953638) internal successors, (1751), 1251 states have internal predecessors, (1751), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 1323 states. [2022-02-20 16:07:53,411 INFO L87 Difference]: Start difference. First operand has 1252 states, 1251 states have (on average 1.3996802557953638) internal successors, (1751), 1251 states have internal predecessors, (1751), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 1323 states. [2022-02-20 16:07:53,455 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 16:07:53,455 INFO L93 Difference]: Finished difference Result 1323 states and 1809 transitions. [2022-02-20 16:07:53,455 INFO L276 IsEmpty]: Start isEmpty. Operand 1323 states and 1809 transitions. [2022-02-20 16:07:53,457 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 16:07:53,457 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 16:07:53,457 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 16:07:53,457 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 16:07:53,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1252 states, 1251 states have (on average 1.3996802557953638) internal successors, (1751), 1251 states have internal predecessors, (1751), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:07:53,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1252 states to 1252 states and 1751 transitions. [2022-02-20 16:07:53,497 INFO L78 Accepts]: Start accepts. Automaton has 1252 states and 1751 transitions. Word has length 147 [2022-02-20 16:07:53,497 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 16:07:53,497 INFO L470 AbstractCegarLoop]: Abstraction has 1252 states and 1751 transitions. [2022-02-20 16:07:53,498 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 14.0) internal successors, (238), 17 states have internal predecessors, (238), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:07:53,498 INFO L276 IsEmpty]: Start isEmpty. Operand 1252 states and 1751 transitions. [2022-02-20 16:07:53,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 332 [2022-02-20 16:07:53,500 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 16:07:53,500 INFO L514 BasicCegarLoop]: trace histogram [29, 28, 28, 21, 21, 14, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 16:07:53,520 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2022-02-20 16:07:53,716 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 16:07:53,717 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-20 16:07:53,717 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 16:07:53,717 INFO L85 PathProgramCache]: Analyzing trace with hash -691826832, now seen corresponding path program 2 times [2022-02-20 16:07:53,717 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 16:07:53,717 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [871884321] [2022-02-20 16:07:53,717 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 16:07:53,717 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 16:07:53,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 16:07:54,226 INFO L290 TraceCheckUtils]: 0: Hoare triple {37214#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(16, 2);call #Ultimate.allocInit(12, 3);~m_Protocol~0 := 1;~m_msg_2~0 := 2;~m_recv_ack_2~0 := 3;~m_msg_1_1~0 := 4;~m_msg_1_2~0 := 5;~m_recv_ack_1_1~0 := 6;~m_recv_ack_1_2~0 := 7; {37214#true} is VALID [2022-02-20 16:07:54,226 INFO L290 TraceCheckUtils]: 1: Hoare triple {37214#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~nondet5#1, main_#t~nondet6#1, main_#t~nondet7#1, main_#t~nondet8#1, main_#t~nondet9#1, main_#t~nondet10#1, main_#t~nondet11#1, main_#t~nondet12#1, main_#t~nondet13#1, main_#t~nondet14#1, main_#t~nondet15#1, main_#t~nondet16#1, main_#t~nondet17#1, main_#t~nondet18#1, main_#t~nondet19#1, main_#t~nondet20#1, main_#t~nondet21#1, main_#t~nondet22#1, main_#t~nondet23#1, main_#t~nondet24#1, main_#t~nondet25#1, main_#t~nondet26#1, main_#t~nondet27#1, main_#t~nondet28#1, main_#t~nondet29#1, main_#t~nondet30#1, main_#t~nondet31#1, main_#t~nondet32#1, main_#t~nondet33#1, main_#t~nondet34#1, main_#t~nondet35#1, main_#t~nondet36#1, main_#t~nondet37#1, main_#t~nondet38#1, main_#t~nondet39#1, main_#t~nondet40#1, main_#t~nondet41#1, main_#t~nondet42#1, main_#t~nondet43#1, main_~P1~0#1, main_~P2~0#1, main_~P3~0#1, main_~P4~0#1, main_~P5~0#1, main_~P6~0#1, main_~P7~0#1, main_~P8~0#1, main_~P9~0#1, main_~q~0#1, main_~method_id~0#1, main_~this_expect~0#1, main_~this_buffer_empty~0#1;main_~q~0#1 := 0;havoc main_~method_id~0#1;main_~this_expect~0#1 := 0;main_~this_buffer_empty~0#1 := 0; {37214#true} is VALID [2022-02-20 16:07:54,226 INFO L290 TraceCheckUtils]: 2: Hoare triple {37214#true} goto; {37214#true} is VALID [2022-02-20 16:07:54,227 INFO L290 TraceCheckUtils]: 3: Hoare triple {37214#true} assume !false;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_~P1~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647;main_~P2~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647;main_~P3~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;assume -2147483648 <= main_#t~nondet7#1 && main_#t~nondet7#1 <= 2147483647;main_~P4~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;assume -2147483648 <= main_#t~nondet8#1 && main_#t~nondet8#1 <= 2147483647;main_~P5~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647;main_~P6~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1;assume -2147483648 <= main_#t~nondet10#1 && main_#t~nondet10#1 <= 2147483647;main_~P7~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;assume -2147483648 <= main_#t~nondet11#1 && main_#t~nondet11#1 <= 2147483647;main_~P8~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;assume -2147483648 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 2147483647;main_~P9~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; {37214#true} is VALID [2022-02-20 16:07:54,227 INFO L290 TraceCheckUtils]: 4: Hoare triple {37214#true} assume !(main_~this_expect~0#1 > 16); {37214#true} is VALID [2022-02-20 16:07:54,227 INFO L290 TraceCheckUtils]: 5: Hoare triple {37214#true} assume 0 == main_~q~0#1;assume -2147483648 <= main_#t~nondet13#1 && main_#t~nondet13#1 <= 2147483647; {37214#true} is VALID [2022-02-20 16:07:54,227 INFO L290 TraceCheckUtils]: 6: Hoare triple {37214#true} assume 0 != main_#t~nondet13#1;havoc main_#t~nondet13#1; {37214#true} is VALID [2022-02-20 16:07:54,227 INFO L290 TraceCheckUtils]: 7: Hoare triple {37214#true} main_~method_id~0#1 := 1; {37214#true} is VALID [2022-02-20 16:07:54,227 INFO L290 TraceCheckUtils]: 8: Hoare triple {37214#true} assume !false;main_~q~0#1 := 1;main_~this_expect~0#1 := 0;main_~this_buffer_empty~0#1 := 1; {37216#(= |ULTIMATE.start_main_~this_expect~0#1| 0)} is VALID [2022-02-20 16:07:54,228 INFO L290 TraceCheckUtils]: 9: Hoare triple {37216#(= |ULTIMATE.start_main_~this_expect~0#1| 0)} assume !false;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_~P1~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647;main_~P2~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647;main_~P3~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;assume -2147483648 <= main_#t~nondet7#1 && main_#t~nondet7#1 <= 2147483647;main_~P4~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;assume -2147483648 <= main_#t~nondet8#1 && main_#t~nondet8#1 <= 2147483647;main_~P5~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647;main_~P6~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1;assume -2147483648 <= main_#t~nondet10#1 && main_#t~nondet10#1 <= 2147483647;main_~P7~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;assume -2147483648 <= main_#t~nondet11#1 && main_#t~nondet11#1 <= 2147483647;main_~P8~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;assume -2147483648 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 2147483647;main_~P9~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; {37216#(= |ULTIMATE.start_main_~this_expect~0#1| 0)} is VALID [2022-02-20 16:07:54,228 INFO L290 TraceCheckUtils]: 10: Hoare triple {37216#(= |ULTIMATE.start_main_~this_expect~0#1| 0)} assume !(main_~this_expect~0#1 > 16); {37216#(= |ULTIMATE.start_main_~this_expect~0#1| 0)} is VALID [2022-02-20 16:07:54,228 INFO L290 TraceCheckUtils]: 11: Hoare triple {37216#(= |ULTIMATE.start_main_~this_expect~0#1| 0)} assume !(0 == main_~q~0#1); {37216#(= |ULTIMATE.start_main_~this_expect~0#1| 0)} is VALID [2022-02-20 16:07:54,229 INFO L290 TraceCheckUtils]: 12: Hoare triple {37216#(= |ULTIMATE.start_main_~this_expect~0#1| 0)} assume 1 == main_~q~0#1;assume -2147483648 <= main_#t~nondet14#1 && main_#t~nondet14#1 <= 2147483647; {37216#(= |ULTIMATE.start_main_~this_expect~0#1| 0)} is VALID [2022-02-20 16:07:54,229 INFO L290 TraceCheckUtils]: 13: Hoare triple {37216#(= |ULTIMATE.start_main_~this_expect~0#1| 0)} assume 0 != main_#t~nondet14#1;havoc main_#t~nondet14#1; {37216#(= |ULTIMATE.start_main_~this_expect~0#1| 0)} is VALID [2022-02-20 16:07:54,229 INFO L290 TraceCheckUtils]: 14: Hoare triple {37216#(= |ULTIMATE.start_main_~this_expect~0#1| 0)} assume !(0 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2));main_~method_id~0#1 := 2; {37216#(= |ULTIMATE.start_main_~this_expect~0#1| 0)} is VALID [2022-02-20 16:07:54,230 INFO L290 TraceCheckUtils]: 15: Hoare triple {37216#(= |ULTIMATE.start_main_~this_expect~0#1| 0)} assume !((((if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2) != (if main_~this_expect~0#1 < 0 && 0 != main_~this_expect~0#1 % 2 then main_~this_expect~0#1 % 2 - 2 else main_~this_expect~0#1 % 2) && 1 == main_~this_buffer_empty~0#1) && !(0 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2))) || (1 != main_~this_buffer_empty~0#1 && !(0 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2))));main_~q~0#1 := 3;main_~this_expect~0#1 := 1 + main_~this_expect~0#1;main_~this_buffer_empty~0#1 := 1 - main_~this_buffer_empty~0#1; {37217#(<= |ULTIMATE.start_main_~this_expect~0#1| 1)} is VALID [2022-02-20 16:07:54,230 INFO L290 TraceCheckUtils]: 16: Hoare triple {37217#(<= |ULTIMATE.start_main_~this_expect~0#1| 1)} assume !false;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_~P1~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647;main_~P2~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647;main_~P3~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;assume -2147483648 <= main_#t~nondet7#1 && main_#t~nondet7#1 <= 2147483647;main_~P4~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;assume -2147483648 <= main_#t~nondet8#1 && main_#t~nondet8#1 <= 2147483647;main_~P5~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647;main_~P6~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1;assume -2147483648 <= main_#t~nondet10#1 && main_#t~nondet10#1 <= 2147483647;main_~P7~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;assume -2147483648 <= main_#t~nondet11#1 && main_#t~nondet11#1 <= 2147483647;main_~P8~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;assume -2147483648 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 2147483647;main_~P9~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; {37217#(<= |ULTIMATE.start_main_~this_expect~0#1| 1)} is VALID [2022-02-20 16:07:54,231 INFO L290 TraceCheckUtils]: 17: Hoare triple {37217#(<= |ULTIMATE.start_main_~this_expect~0#1| 1)} assume !(main_~this_expect~0#1 > 16); {37217#(<= |ULTIMATE.start_main_~this_expect~0#1| 1)} is VALID [2022-02-20 16:07:54,231 INFO L290 TraceCheckUtils]: 18: Hoare triple {37217#(<= |ULTIMATE.start_main_~this_expect~0#1| 1)} assume !(0 == main_~q~0#1); {37217#(<= |ULTIMATE.start_main_~this_expect~0#1| 1)} is VALID [2022-02-20 16:07:54,231 INFO L290 TraceCheckUtils]: 19: Hoare triple {37217#(<= |ULTIMATE.start_main_~this_expect~0#1| 1)} assume !(1 == main_~q~0#1); {37217#(<= |ULTIMATE.start_main_~this_expect~0#1| 1)} is VALID [2022-02-20 16:07:54,232 INFO L290 TraceCheckUtils]: 20: Hoare triple {37217#(<= |ULTIMATE.start_main_~this_expect~0#1| 1)} assume !(2 == main_~q~0#1); {37217#(<= |ULTIMATE.start_main_~this_expect~0#1| 1)} is VALID [2022-02-20 16:07:54,232 INFO L290 TraceCheckUtils]: 21: Hoare triple {37217#(<= |ULTIMATE.start_main_~this_expect~0#1| 1)} assume 3 == main_~q~0#1;assume -2147483648 <= main_#t~nondet26#1 && main_#t~nondet26#1 <= 2147483647; {37217#(<= |ULTIMATE.start_main_~this_expect~0#1| 1)} is VALID [2022-02-20 16:07:54,232 INFO L290 TraceCheckUtils]: 22: Hoare triple {37217#(<= |ULTIMATE.start_main_~this_expect~0#1| 1)} assume !(0 != main_#t~nondet26#1);havoc main_#t~nondet26#1;assume -2147483648 <= main_#t~nondet27#1 && main_#t~nondet27#1 <= 2147483647; {37217#(<= |ULTIMATE.start_main_~this_expect~0#1| 1)} is VALID [2022-02-20 16:07:54,233 INFO L290 TraceCheckUtils]: 23: Hoare triple {37217#(<= |ULTIMATE.start_main_~this_expect~0#1| 1)} assume 0 != main_#t~nondet27#1;havoc main_#t~nondet27#1; {37217#(<= |ULTIMATE.start_main_~this_expect~0#1| 1)} is VALID [2022-02-20 16:07:54,233 INFO L290 TraceCheckUtils]: 24: Hoare triple {37217#(<= |ULTIMATE.start_main_~this_expect~0#1| 1)} assume !(0 != main_~P1~0#1);main_~method_id~0#1 := 3; {37217#(<= |ULTIMATE.start_main_~this_expect~0#1| 1)} is VALID [2022-02-20 16:07:54,234 INFO L290 TraceCheckUtils]: 25: Hoare triple {37217#(<= |ULTIMATE.start_main_~this_expect~0#1| 1)} assume !((1 == main_~this_buffer_empty~0#1 && !(0 != main_~P3~0#1)) || ((main_~P3~0#1 != (if main_~this_expect~0#1 - 1 < 0 && 0 != (main_~this_expect~0#1 - 1) % 2 then (main_~this_expect~0#1 - 1) % 2 - 2 else (main_~this_expect~0#1 - 1) % 2) && 1 != main_~this_buffer_empty~0#1) && !(0 != main_~P3~0#1)));main_~q~0#1 := 4;main_~this_expect~0#1 := main_~this_expect~0#1;main_~this_buffer_empty~0#1 := 1 - main_~this_buffer_empty~0#1; {37217#(<= |ULTIMATE.start_main_~this_expect~0#1| 1)} is VALID [2022-02-20 16:07:54,234 INFO L290 TraceCheckUtils]: 26: Hoare triple {37217#(<= |ULTIMATE.start_main_~this_expect~0#1| 1)} assume !false;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_~P1~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647;main_~P2~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647;main_~P3~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;assume -2147483648 <= main_#t~nondet7#1 && main_#t~nondet7#1 <= 2147483647;main_~P4~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;assume -2147483648 <= main_#t~nondet8#1 && main_#t~nondet8#1 <= 2147483647;main_~P5~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647;main_~P6~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1;assume -2147483648 <= main_#t~nondet10#1 && main_#t~nondet10#1 <= 2147483647;main_~P7~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;assume -2147483648 <= main_#t~nondet11#1 && main_#t~nondet11#1 <= 2147483647;main_~P8~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;assume -2147483648 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 2147483647;main_~P9~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; {37217#(<= |ULTIMATE.start_main_~this_expect~0#1| 1)} is VALID [2022-02-20 16:07:54,234 INFO L290 TraceCheckUtils]: 27: Hoare triple {37217#(<= |ULTIMATE.start_main_~this_expect~0#1| 1)} assume !(main_~this_expect~0#1 > 16); {37217#(<= |ULTIMATE.start_main_~this_expect~0#1| 1)} is VALID [2022-02-20 16:07:54,235 INFO L290 TraceCheckUtils]: 28: Hoare triple {37217#(<= |ULTIMATE.start_main_~this_expect~0#1| 1)} assume !(0 == main_~q~0#1); {37217#(<= |ULTIMATE.start_main_~this_expect~0#1| 1)} is VALID [2022-02-20 16:07:54,235 INFO L290 TraceCheckUtils]: 29: Hoare triple {37217#(<= |ULTIMATE.start_main_~this_expect~0#1| 1)} assume !(1 == main_~q~0#1); {37217#(<= |ULTIMATE.start_main_~this_expect~0#1| 1)} is VALID [2022-02-20 16:07:54,235 INFO L290 TraceCheckUtils]: 30: Hoare triple {37217#(<= |ULTIMATE.start_main_~this_expect~0#1| 1)} assume !(2 == main_~q~0#1); {37217#(<= |ULTIMATE.start_main_~this_expect~0#1| 1)} is VALID [2022-02-20 16:07:54,236 INFO L290 TraceCheckUtils]: 31: Hoare triple {37217#(<= |ULTIMATE.start_main_~this_expect~0#1| 1)} assume !(3 == main_~q~0#1); {37217#(<= |ULTIMATE.start_main_~this_expect~0#1| 1)} is VALID [2022-02-20 16:07:54,236 INFO L290 TraceCheckUtils]: 32: Hoare triple {37217#(<= |ULTIMATE.start_main_~this_expect~0#1| 1)} assume 4 == main_~q~0#1;assume -2147483648 <= main_#t~nondet32#1 && main_#t~nondet32#1 <= 2147483647; {37217#(<= |ULTIMATE.start_main_~this_expect~0#1| 1)} is VALID [2022-02-20 16:07:54,236 INFO L290 TraceCheckUtils]: 33: Hoare triple {37217#(<= |ULTIMATE.start_main_~this_expect~0#1| 1)} assume !(0 != main_#t~nondet32#1);havoc main_#t~nondet32#1;assume -2147483648 <= main_#t~nondet33#1 && main_#t~nondet33#1 <= 2147483647; {37217#(<= |ULTIMATE.start_main_~this_expect~0#1| 1)} is VALID [2022-02-20 16:07:54,237 INFO L290 TraceCheckUtils]: 34: Hoare triple {37217#(<= |ULTIMATE.start_main_~this_expect~0#1| 1)} assume !(0 != main_#t~nondet33#1);havoc main_#t~nondet33#1;assume -2147483648 <= main_#t~nondet34#1 && main_#t~nondet34#1 <= 2147483647; {37217#(<= |ULTIMATE.start_main_~this_expect~0#1| 1)} is VALID [2022-02-20 16:07:54,237 INFO L290 TraceCheckUtils]: 35: Hoare triple {37217#(<= |ULTIMATE.start_main_~this_expect~0#1| 1)} assume !(0 != main_#t~nondet34#1);havoc main_#t~nondet34#1;assume -2147483648 <= main_#t~nondet35#1 && main_#t~nondet35#1 <= 2147483647; {37217#(<= |ULTIMATE.start_main_~this_expect~0#1| 1)} is VALID [2022-02-20 16:07:54,237 INFO L290 TraceCheckUtils]: 36: Hoare triple {37217#(<= |ULTIMATE.start_main_~this_expect~0#1| 1)} assume 0 != main_#t~nondet35#1;havoc main_#t~nondet35#1; {37217#(<= |ULTIMATE.start_main_~this_expect~0#1| 1)} is VALID [2022-02-20 16:07:54,238 INFO L290 TraceCheckUtils]: 37: Hoare triple {37217#(<= |ULTIMATE.start_main_~this_expect~0#1| 1)} assume 0 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2) && !(1 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2) && 0 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2));main_~method_id~0#1 := 5; {37217#(<= |ULTIMATE.start_main_~this_expect~0#1| 1)} is VALID [2022-02-20 16:07:54,239 INFO L290 TraceCheckUtils]: 38: Hoare triple {37217#(<= |ULTIMATE.start_main_~this_expect~0#1| 1)} assume !(((((if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2) != (if main_~this_expect~0#1 < 0 && 0 != main_~this_expect~0#1 % 2 then main_~this_expect~0#1 % 2 - 2 else main_~this_expect~0#1 % 2) && 1 == main_~this_buffer_empty~0#1) && 0 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2)) && 0 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2) && !(1 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2) && 0 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2))) || ((1 != main_~this_buffer_empty~0#1 && 0 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2)) && 0 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2) && !(1 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2) && 0 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2))));main_~q~0#1 := 5;main_~this_expect~0#1 := 1 + main_~this_expect~0#1;main_~this_buffer_empty~0#1 := 1 - main_~this_buffer_empty~0#1; {37218#(<= |ULTIMATE.start_main_~this_expect~0#1| 2)} is VALID [2022-02-20 16:07:54,239 INFO L290 TraceCheckUtils]: 39: Hoare triple {37218#(<= |ULTIMATE.start_main_~this_expect~0#1| 2)} assume !false;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_~P1~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647;main_~P2~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647;main_~P3~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;assume -2147483648 <= main_#t~nondet7#1 && main_#t~nondet7#1 <= 2147483647;main_~P4~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;assume -2147483648 <= main_#t~nondet8#1 && main_#t~nondet8#1 <= 2147483647;main_~P5~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647;main_~P6~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1;assume -2147483648 <= main_#t~nondet10#1 && main_#t~nondet10#1 <= 2147483647;main_~P7~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;assume -2147483648 <= main_#t~nondet11#1 && main_#t~nondet11#1 <= 2147483647;main_~P8~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;assume -2147483648 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 2147483647;main_~P9~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; {37218#(<= |ULTIMATE.start_main_~this_expect~0#1| 2)} is VALID [2022-02-20 16:07:54,239 INFO L290 TraceCheckUtils]: 40: Hoare triple {37218#(<= |ULTIMATE.start_main_~this_expect~0#1| 2)} assume !(main_~this_expect~0#1 > 16); {37218#(<= |ULTIMATE.start_main_~this_expect~0#1| 2)} is VALID [2022-02-20 16:07:54,240 INFO L290 TraceCheckUtils]: 41: Hoare triple {37218#(<= |ULTIMATE.start_main_~this_expect~0#1| 2)} assume !(0 == main_~q~0#1); {37218#(<= |ULTIMATE.start_main_~this_expect~0#1| 2)} is VALID [2022-02-20 16:07:54,240 INFO L290 TraceCheckUtils]: 42: Hoare triple {37218#(<= |ULTIMATE.start_main_~this_expect~0#1| 2)} assume !(1 == main_~q~0#1); {37218#(<= |ULTIMATE.start_main_~this_expect~0#1| 2)} is VALID [2022-02-20 16:07:54,240 INFO L290 TraceCheckUtils]: 43: Hoare triple {37218#(<= |ULTIMATE.start_main_~this_expect~0#1| 2)} assume !(2 == main_~q~0#1); {37218#(<= |ULTIMATE.start_main_~this_expect~0#1| 2)} is VALID [2022-02-20 16:07:54,241 INFO L290 TraceCheckUtils]: 44: Hoare triple {37218#(<= |ULTIMATE.start_main_~this_expect~0#1| 2)} assume !(3 == main_~q~0#1); {37218#(<= |ULTIMATE.start_main_~this_expect~0#1| 2)} is VALID [2022-02-20 16:07:54,241 INFO L290 TraceCheckUtils]: 45: Hoare triple {37218#(<= |ULTIMATE.start_main_~this_expect~0#1| 2)} assume !(4 == main_~q~0#1); {37218#(<= |ULTIMATE.start_main_~this_expect~0#1| 2)} is VALID [2022-02-20 16:07:54,241 INFO L290 TraceCheckUtils]: 46: Hoare triple {37218#(<= |ULTIMATE.start_main_~this_expect~0#1| 2)} assume 5 == main_~q~0#1;assume -2147483648 <= main_#t~nondet38#1 && main_#t~nondet38#1 <= 2147483647; {37218#(<= |ULTIMATE.start_main_~this_expect~0#1| 2)} is VALID [2022-02-20 16:07:54,242 INFO L290 TraceCheckUtils]: 47: Hoare triple {37218#(<= |ULTIMATE.start_main_~this_expect~0#1| 2)} assume !(0 != main_#t~nondet38#1);havoc main_#t~nondet38#1;assume -2147483648 <= main_#t~nondet39#1 && main_#t~nondet39#1 <= 2147483647; {37218#(<= |ULTIMATE.start_main_~this_expect~0#1| 2)} is VALID [2022-02-20 16:07:54,242 INFO L290 TraceCheckUtils]: 48: Hoare triple {37218#(<= |ULTIMATE.start_main_~this_expect~0#1| 2)} assume !(0 != main_#t~nondet39#1);havoc main_#t~nondet39#1;assume -2147483648 <= main_#t~nondet40#1 && main_#t~nondet40#1 <= 2147483647; {37218#(<= |ULTIMATE.start_main_~this_expect~0#1| 2)} is VALID [2022-02-20 16:07:54,242 INFO L290 TraceCheckUtils]: 49: Hoare triple {37218#(<= |ULTIMATE.start_main_~this_expect~0#1| 2)} assume !(0 != main_#t~nondet40#1);havoc main_#t~nondet40#1;assume -2147483648 <= main_#t~nondet41#1 && main_#t~nondet41#1 <= 2147483647; {37218#(<= |ULTIMATE.start_main_~this_expect~0#1| 2)} is VALID [2022-02-20 16:07:54,242 INFO L290 TraceCheckUtils]: 50: Hoare triple {37218#(<= |ULTIMATE.start_main_~this_expect~0#1| 2)} assume !(0 != main_#t~nondet41#1);havoc main_#t~nondet41#1;assume -2147483648 <= main_#t~nondet42#1 && main_#t~nondet42#1 <= 2147483647; {37218#(<= |ULTIMATE.start_main_~this_expect~0#1| 2)} is VALID [2022-02-20 16:07:54,243 INFO L290 TraceCheckUtils]: 51: Hoare triple {37218#(<= |ULTIMATE.start_main_~this_expect~0#1| 2)} assume !(0 != main_#t~nondet42#1);havoc main_#t~nondet42#1;assume -2147483648 <= main_#t~nondet43#1 && main_#t~nondet43#1 <= 2147483647; {37218#(<= |ULTIMATE.start_main_~this_expect~0#1| 2)} is VALID [2022-02-20 16:07:54,243 INFO L290 TraceCheckUtils]: 52: Hoare triple {37218#(<= |ULTIMATE.start_main_~this_expect~0#1| 2)} assume 0 != main_#t~nondet43#1;havoc main_#t~nondet43#1; {37218#(<= |ULTIMATE.start_main_~this_expect~0#1| 2)} is VALID [2022-02-20 16:07:54,243 INFO L290 TraceCheckUtils]: 53: Hoare triple {37218#(<= |ULTIMATE.start_main_~this_expect~0#1| 2)} assume 0 != main_~P1~0#1 && !(1 != main_~P1~0#1 && 0 != main_~P1~0#1);main_~method_id~0#1 := 7; {37218#(<= |ULTIMATE.start_main_~this_expect~0#1| 2)} is VALID [2022-02-20 16:07:54,244 INFO L290 TraceCheckUtils]: 54: Hoare triple {37218#(<= |ULTIMATE.start_main_~this_expect~0#1| 2)} assume !(((1 == main_~this_buffer_empty~0#1 && 0 != main_~P9~0#1) && 0 != main_~P9~0#1 && !(1 != main_~P9~0#1 && 0 != main_~P9~0#1)) || (((main_~P9~0#1 != (if main_~this_expect~0#1 - 1 < 0 && 0 != (main_~this_expect~0#1 - 1) % 2 then (main_~this_expect~0#1 - 1) % 2 - 2 else (main_~this_expect~0#1 - 1) % 2) && 1 != main_~this_buffer_empty~0#1) && 0 != main_~P9~0#1) && 0 != main_~P9~0#1 && !(1 != main_~P9~0#1 && 0 != main_~P9~0#1)));main_~q~0#1 := 1;main_~this_expect~0#1 := main_~this_expect~0#1;main_~this_buffer_empty~0#1 := 1 - main_~this_buffer_empty~0#1; {37218#(<= |ULTIMATE.start_main_~this_expect~0#1| 2)} is VALID [2022-02-20 16:07:54,244 INFO L290 TraceCheckUtils]: 55: Hoare triple {37218#(<= |ULTIMATE.start_main_~this_expect~0#1| 2)} assume !false;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_~P1~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647;main_~P2~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647;main_~P3~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;assume -2147483648 <= main_#t~nondet7#1 && main_#t~nondet7#1 <= 2147483647;main_~P4~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;assume -2147483648 <= main_#t~nondet8#1 && main_#t~nondet8#1 <= 2147483647;main_~P5~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647;main_~P6~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1;assume -2147483648 <= main_#t~nondet10#1 && main_#t~nondet10#1 <= 2147483647;main_~P7~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;assume -2147483648 <= main_#t~nondet11#1 && main_#t~nondet11#1 <= 2147483647;main_~P8~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;assume -2147483648 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 2147483647;main_~P9~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; {37218#(<= |ULTIMATE.start_main_~this_expect~0#1| 2)} is VALID [2022-02-20 16:07:54,244 INFO L290 TraceCheckUtils]: 56: Hoare triple {37218#(<= |ULTIMATE.start_main_~this_expect~0#1| 2)} assume !(main_~this_expect~0#1 > 16); {37218#(<= |ULTIMATE.start_main_~this_expect~0#1| 2)} is VALID [2022-02-20 16:07:54,245 INFO L290 TraceCheckUtils]: 57: Hoare triple {37218#(<= |ULTIMATE.start_main_~this_expect~0#1| 2)} assume !(0 == main_~q~0#1); {37218#(<= |ULTIMATE.start_main_~this_expect~0#1| 2)} is VALID [2022-02-20 16:07:54,245 INFO L290 TraceCheckUtils]: 58: Hoare triple {37218#(<= |ULTIMATE.start_main_~this_expect~0#1| 2)} assume 1 == main_~q~0#1;assume -2147483648 <= main_#t~nondet14#1 && main_#t~nondet14#1 <= 2147483647; {37218#(<= |ULTIMATE.start_main_~this_expect~0#1| 2)} is VALID [2022-02-20 16:07:54,245 INFO L290 TraceCheckUtils]: 59: Hoare triple {37218#(<= |ULTIMATE.start_main_~this_expect~0#1| 2)} assume 0 != main_#t~nondet14#1;havoc main_#t~nondet14#1; {37218#(<= |ULTIMATE.start_main_~this_expect~0#1| 2)} is VALID [2022-02-20 16:07:54,245 INFO L290 TraceCheckUtils]: 60: Hoare triple {37218#(<= |ULTIMATE.start_main_~this_expect~0#1| 2)} assume !(0 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2));main_~method_id~0#1 := 2; {37218#(<= |ULTIMATE.start_main_~this_expect~0#1| 2)} is VALID [2022-02-20 16:07:54,246 INFO L290 TraceCheckUtils]: 61: Hoare triple {37218#(<= |ULTIMATE.start_main_~this_expect~0#1| 2)} assume !((((if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2) != (if main_~this_expect~0#1 < 0 && 0 != main_~this_expect~0#1 % 2 then main_~this_expect~0#1 % 2 - 2 else main_~this_expect~0#1 % 2) && 1 == main_~this_buffer_empty~0#1) && !(0 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2))) || (1 != main_~this_buffer_empty~0#1 && !(0 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2))));main_~q~0#1 := 3;main_~this_expect~0#1 := 1 + main_~this_expect~0#1;main_~this_buffer_empty~0#1 := 1 - main_~this_buffer_empty~0#1; {37219#(<= |ULTIMATE.start_main_~this_expect~0#1| 3)} is VALID [2022-02-20 16:07:54,246 INFO L290 TraceCheckUtils]: 62: Hoare triple {37219#(<= |ULTIMATE.start_main_~this_expect~0#1| 3)} assume !false;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_~P1~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647;main_~P2~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647;main_~P3~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;assume -2147483648 <= main_#t~nondet7#1 && main_#t~nondet7#1 <= 2147483647;main_~P4~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;assume -2147483648 <= main_#t~nondet8#1 && main_#t~nondet8#1 <= 2147483647;main_~P5~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647;main_~P6~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1;assume -2147483648 <= main_#t~nondet10#1 && main_#t~nondet10#1 <= 2147483647;main_~P7~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;assume -2147483648 <= main_#t~nondet11#1 && main_#t~nondet11#1 <= 2147483647;main_~P8~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;assume -2147483648 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 2147483647;main_~P9~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; {37219#(<= |ULTIMATE.start_main_~this_expect~0#1| 3)} is VALID [2022-02-20 16:07:54,247 INFO L290 TraceCheckUtils]: 63: Hoare triple {37219#(<= |ULTIMATE.start_main_~this_expect~0#1| 3)} assume !(main_~this_expect~0#1 > 16); {37219#(<= |ULTIMATE.start_main_~this_expect~0#1| 3)} is VALID [2022-02-20 16:07:54,247 INFO L290 TraceCheckUtils]: 64: Hoare triple {37219#(<= |ULTIMATE.start_main_~this_expect~0#1| 3)} assume !(0 == main_~q~0#1); {37219#(<= |ULTIMATE.start_main_~this_expect~0#1| 3)} is VALID [2022-02-20 16:07:54,247 INFO L290 TraceCheckUtils]: 65: Hoare triple {37219#(<= |ULTIMATE.start_main_~this_expect~0#1| 3)} assume !(1 == main_~q~0#1); {37219#(<= |ULTIMATE.start_main_~this_expect~0#1| 3)} is VALID [2022-02-20 16:07:54,248 INFO L290 TraceCheckUtils]: 66: Hoare triple {37219#(<= |ULTIMATE.start_main_~this_expect~0#1| 3)} assume !(2 == main_~q~0#1); {37219#(<= |ULTIMATE.start_main_~this_expect~0#1| 3)} is VALID [2022-02-20 16:07:54,248 INFO L290 TraceCheckUtils]: 67: Hoare triple {37219#(<= |ULTIMATE.start_main_~this_expect~0#1| 3)} assume 3 == main_~q~0#1;assume -2147483648 <= main_#t~nondet26#1 && main_#t~nondet26#1 <= 2147483647; {37219#(<= |ULTIMATE.start_main_~this_expect~0#1| 3)} is VALID [2022-02-20 16:07:54,248 INFO L290 TraceCheckUtils]: 68: Hoare triple {37219#(<= |ULTIMATE.start_main_~this_expect~0#1| 3)} assume !(0 != main_#t~nondet26#1);havoc main_#t~nondet26#1;assume -2147483648 <= main_#t~nondet27#1 && main_#t~nondet27#1 <= 2147483647; {37219#(<= |ULTIMATE.start_main_~this_expect~0#1| 3)} is VALID [2022-02-20 16:07:54,248 INFO L290 TraceCheckUtils]: 69: Hoare triple {37219#(<= |ULTIMATE.start_main_~this_expect~0#1| 3)} assume 0 != main_#t~nondet27#1;havoc main_#t~nondet27#1; {37219#(<= |ULTIMATE.start_main_~this_expect~0#1| 3)} is VALID [2022-02-20 16:07:54,249 INFO L290 TraceCheckUtils]: 70: Hoare triple {37219#(<= |ULTIMATE.start_main_~this_expect~0#1| 3)} assume !(0 != main_~P1~0#1);main_~method_id~0#1 := 3; {37219#(<= |ULTIMATE.start_main_~this_expect~0#1| 3)} is VALID [2022-02-20 16:07:54,249 INFO L290 TraceCheckUtils]: 71: Hoare triple {37219#(<= |ULTIMATE.start_main_~this_expect~0#1| 3)} assume !((1 == main_~this_buffer_empty~0#1 && !(0 != main_~P3~0#1)) || ((main_~P3~0#1 != (if main_~this_expect~0#1 - 1 < 0 && 0 != (main_~this_expect~0#1 - 1) % 2 then (main_~this_expect~0#1 - 1) % 2 - 2 else (main_~this_expect~0#1 - 1) % 2) && 1 != main_~this_buffer_empty~0#1) && !(0 != main_~P3~0#1)));main_~q~0#1 := 4;main_~this_expect~0#1 := main_~this_expect~0#1;main_~this_buffer_empty~0#1 := 1 - main_~this_buffer_empty~0#1; {37219#(<= |ULTIMATE.start_main_~this_expect~0#1| 3)} is VALID [2022-02-20 16:07:54,249 INFO L290 TraceCheckUtils]: 72: Hoare triple {37219#(<= |ULTIMATE.start_main_~this_expect~0#1| 3)} assume !false;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_~P1~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647;main_~P2~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647;main_~P3~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;assume -2147483648 <= main_#t~nondet7#1 && main_#t~nondet7#1 <= 2147483647;main_~P4~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;assume -2147483648 <= main_#t~nondet8#1 && main_#t~nondet8#1 <= 2147483647;main_~P5~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647;main_~P6~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1;assume -2147483648 <= main_#t~nondet10#1 && main_#t~nondet10#1 <= 2147483647;main_~P7~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;assume -2147483648 <= main_#t~nondet11#1 && main_#t~nondet11#1 <= 2147483647;main_~P8~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;assume -2147483648 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 2147483647;main_~P9~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; {37219#(<= |ULTIMATE.start_main_~this_expect~0#1| 3)} is VALID [2022-02-20 16:07:54,250 INFO L290 TraceCheckUtils]: 73: Hoare triple {37219#(<= |ULTIMATE.start_main_~this_expect~0#1| 3)} assume !(main_~this_expect~0#1 > 16); {37219#(<= |ULTIMATE.start_main_~this_expect~0#1| 3)} is VALID [2022-02-20 16:07:54,250 INFO L290 TraceCheckUtils]: 74: Hoare triple {37219#(<= |ULTIMATE.start_main_~this_expect~0#1| 3)} assume !(0 == main_~q~0#1); {37219#(<= |ULTIMATE.start_main_~this_expect~0#1| 3)} is VALID [2022-02-20 16:07:54,250 INFO L290 TraceCheckUtils]: 75: Hoare triple {37219#(<= |ULTIMATE.start_main_~this_expect~0#1| 3)} assume !(1 == main_~q~0#1); {37219#(<= |ULTIMATE.start_main_~this_expect~0#1| 3)} is VALID [2022-02-20 16:07:54,251 INFO L290 TraceCheckUtils]: 76: Hoare triple {37219#(<= |ULTIMATE.start_main_~this_expect~0#1| 3)} assume !(2 == main_~q~0#1); {37219#(<= |ULTIMATE.start_main_~this_expect~0#1| 3)} is VALID [2022-02-20 16:07:54,251 INFO L290 TraceCheckUtils]: 77: Hoare triple {37219#(<= |ULTIMATE.start_main_~this_expect~0#1| 3)} assume !(3 == main_~q~0#1); {37219#(<= |ULTIMATE.start_main_~this_expect~0#1| 3)} is VALID [2022-02-20 16:07:54,251 INFO L290 TraceCheckUtils]: 78: Hoare triple {37219#(<= |ULTIMATE.start_main_~this_expect~0#1| 3)} assume 4 == main_~q~0#1;assume -2147483648 <= main_#t~nondet32#1 && main_#t~nondet32#1 <= 2147483647; {37219#(<= |ULTIMATE.start_main_~this_expect~0#1| 3)} is VALID [2022-02-20 16:07:54,251 INFO L290 TraceCheckUtils]: 79: Hoare triple {37219#(<= |ULTIMATE.start_main_~this_expect~0#1| 3)} assume !(0 != main_#t~nondet32#1);havoc main_#t~nondet32#1;assume -2147483648 <= main_#t~nondet33#1 && main_#t~nondet33#1 <= 2147483647; {37219#(<= |ULTIMATE.start_main_~this_expect~0#1| 3)} is VALID [2022-02-20 16:07:54,252 INFO L290 TraceCheckUtils]: 80: Hoare triple {37219#(<= |ULTIMATE.start_main_~this_expect~0#1| 3)} assume !(0 != main_#t~nondet33#1);havoc main_#t~nondet33#1;assume -2147483648 <= main_#t~nondet34#1 && main_#t~nondet34#1 <= 2147483647; {37219#(<= |ULTIMATE.start_main_~this_expect~0#1| 3)} is VALID [2022-02-20 16:07:54,252 INFO L290 TraceCheckUtils]: 81: Hoare triple {37219#(<= |ULTIMATE.start_main_~this_expect~0#1| 3)} assume !(0 != main_#t~nondet34#1);havoc main_#t~nondet34#1;assume -2147483648 <= main_#t~nondet35#1 && main_#t~nondet35#1 <= 2147483647; {37219#(<= |ULTIMATE.start_main_~this_expect~0#1| 3)} is VALID [2022-02-20 16:07:54,252 INFO L290 TraceCheckUtils]: 82: Hoare triple {37219#(<= |ULTIMATE.start_main_~this_expect~0#1| 3)} assume 0 != main_#t~nondet35#1;havoc main_#t~nondet35#1; {37219#(<= |ULTIMATE.start_main_~this_expect~0#1| 3)} is VALID [2022-02-20 16:07:54,253 INFO L290 TraceCheckUtils]: 83: Hoare triple {37219#(<= |ULTIMATE.start_main_~this_expect~0#1| 3)} assume 0 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2) && !(1 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2) && 0 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2));main_~method_id~0#1 := 5; {37219#(<= |ULTIMATE.start_main_~this_expect~0#1| 3)} is VALID [2022-02-20 16:07:54,253 INFO L290 TraceCheckUtils]: 84: Hoare triple {37219#(<= |ULTIMATE.start_main_~this_expect~0#1| 3)} assume !(((((if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2) != (if main_~this_expect~0#1 < 0 && 0 != main_~this_expect~0#1 % 2 then main_~this_expect~0#1 % 2 - 2 else main_~this_expect~0#1 % 2) && 1 == main_~this_buffer_empty~0#1) && 0 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2)) && 0 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2) && !(1 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2) && 0 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2))) || ((1 != main_~this_buffer_empty~0#1 && 0 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2)) && 0 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2) && !(1 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2) && 0 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2))));main_~q~0#1 := 5;main_~this_expect~0#1 := 1 + main_~this_expect~0#1;main_~this_buffer_empty~0#1 := 1 - main_~this_buffer_empty~0#1; {37220#(<= |ULTIMATE.start_main_~this_expect~0#1| 4)} is VALID [2022-02-20 16:07:54,254 INFO L290 TraceCheckUtils]: 85: Hoare triple {37220#(<= |ULTIMATE.start_main_~this_expect~0#1| 4)} assume !false;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_~P1~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647;main_~P2~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647;main_~P3~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;assume -2147483648 <= main_#t~nondet7#1 && main_#t~nondet7#1 <= 2147483647;main_~P4~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;assume -2147483648 <= main_#t~nondet8#1 && main_#t~nondet8#1 <= 2147483647;main_~P5~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647;main_~P6~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1;assume -2147483648 <= main_#t~nondet10#1 && main_#t~nondet10#1 <= 2147483647;main_~P7~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;assume -2147483648 <= main_#t~nondet11#1 && main_#t~nondet11#1 <= 2147483647;main_~P8~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;assume -2147483648 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 2147483647;main_~P9~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; {37220#(<= |ULTIMATE.start_main_~this_expect~0#1| 4)} is VALID [2022-02-20 16:07:54,254 INFO L290 TraceCheckUtils]: 86: Hoare triple {37220#(<= |ULTIMATE.start_main_~this_expect~0#1| 4)} assume !(main_~this_expect~0#1 > 16); {37220#(<= |ULTIMATE.start_main_~this_expect~0#1| 4)} is VALID [2022-02-20 16:07:54,254 INFO L290 TraceCheckUtils]: 87: Hoare triple {37220#(<= |ULTIMATE.start_main_~this_expect~0#1| 4)} assume !(0 == main_~q~0#1); {37220#(<= |ULTIMATE.start_main_~this_expect~0#1| 4)} is VALID [2022-02-20 16:07:54,254 INFO L290 TraceCheckUtils]: 88: Hoare triple {37220#(<= |ULTIMATE.start_main_~this_expect~0#1| 4)} assume !(1 == main_~q~0#1); {37220#(<= |ULTIMATE.start_main_~this_expect~0#1| 4)} is VALID [2022-02-20 16:07:54,255 INFO L290 TraceCheckUtils]: 89: Hoare triple {37220#(<= |ULTIMATE.start_main_~this_expect~0#1| 4)} assume !(2 == main_~q~0#1); {37220#(<= |ULTIMATE.start_main_~this_expect~0#1| 4)} is VALID [2022-02-20 16:07:54,255 INFO L290 TraceCheckUtils]: 90: Hoare triple {37220#(<= |ULTIMATE.start_main_~this_expect~0#1| 4)} assume !(3 == main_~q~0#1); {37220#(<= |ULTIMATE.start_main_~this_expect~0#1| 4)} is VALID [2022-02-20 16:07:54,255 INFO L290 TraceCheckUtils]: 91: Hoare triple {37220#(<= |ULTIMATE.start_main_~this_expect~0#1| 4)} assume !(4 == main_~q~0#1); {37220#(<= |ULTIMATE.start_main_~this_expect~0#1| 4)} is VALID [2022-02-20 16:07:54,256 INFO L290 TraceCheckUtils]: 92: Hoare triple {37220#(<= |ULTIMATE.start_main_~this_expect~0#1| 4)} assume 5 == main_~q~0#1;assume -2147483648 <= main_#t~nondet38#1 && main_#t~nondet38#1 <= 2147483647; {37220#(<= |ULTIMATE.start_main_~this_expect~0#1| 4)} is VALID [2022-02-20 16:07:54,256 INFO L290 TraceCheckUtils]: 93: Hoare triple {37220#(<= |ULTIMATE.start_main_~this_expect~0#1| 4)} assume !(0 != main_#t~nondet38#1);havoc main_#t~nondet38#1;assume -2147483648 <= main_#t~nondet39#1 && main_#t~nondet39#1 <= 2147483647; {37220#(<= |ULTIMATE.start_main_~this_expect~0#1| 4)} is VALID [2022-02-20 16:07:54,256 INFO L290 TraceCheckUtils]: 94: Hoare triple {37220#(<= |ULTIMATE.start_main_~this_expect~0#1| 4)} assume !(0 != main_#t~nondet39#1);havoc main_#t~nondet39#1;assume -2147483648 <= main_#t~nondet40#1 && main_#t~nondet40#1 <= 2147483647; {37220#(<= |ULTIMATE.start_main_~this_expect~0#1| 4)} is VALID [2022-02-20 16:07:54,256 INFO L290 TraceCheckUtils]: 95: Hoare triple {37220#(<= |ULTIMATE.start_main_~this_expect~0#1| 4)} assume !(0 != main_#t~nondet40#1);havoc main_#t~nondet40#1;assume -2147483648 <= main_#t~nondet41#1 && main_#t~nondet41#1 <= 2147483647; {37220#(<= |ULTIMATE.start_main_~this_expect~0#1| 4)} is VALID [2022-02-20 16:07:54,257 INFO L290 TraceCheckUtils]: 96: Hoare triple {37220#(<= |ULTIMATE.start_main_~this_expect~0#1| 4)} assume !(0 != main_#t~nondet41#1);havoc main_#t~nondet41#1;assume -2147483648 <= main_#t~nondet42#1 && main_#t~nondet42#1 <= 2147483647; {37220#(<= |ULTIMATE.start_main_~this_expect~0#1| 4)} is VALID [2022-02-20 16:07:54,257 INFO L290 TraceCheckUtils]: 97: Hoare triple {37220#(<= |ULTIMATE.start_main_~this_expect~0#1| 4)} assume !(0 != main_#t~nondet42#1);havoc main_#t~nondet42#1;assume -2147483648 <= main_#t~nondet43#1 && main_#t~nondet43#1 <= 2147483647; {37220#(<= |ULTIMATE.start_main_~this_expect~0#1| 4)} is VALID [2022-02-20 16:07:54,257 INFO L290 TraceCheckUtils]: 98: Hoare triple {37220#(<= |ULTIMATE.start_main_~this_expect~0#1| 4)} assume 0 != main_#t~nondet43#1;havoc main_#t~nondet43#1; {37220#(<= |ULTIMATE.start_main_~this_expect~0#1| 4)} is VALID [2022-02-20 16:07:54,258 INFO L290 TraceCheckUtils]: 99: Hoare triple {37220#(<= |ULTIMATE.start_main_~this_expect~0#1| 4)} assume 0 != main_~P1~0#1 && !(1 != main_~P1~0#1 && 0 != main_~P1~0#1);main_~method_id~0#1 := 7; {37220#(<= |ULTIMATE.start_main_~this_expect~0#1| 4)} is VALID [2022-02-20 16:07:54,258 INFO L290 TraceCheckUtils]: 100: Hoare triple {37220#(<= |ULTIMATE.start_main_~this_expect~0#1| 4)} assume !(((1 == main_~this_buffer_empty~0#1 && 0 != main_~P9~0#1) && 0 != main_~P9~0#1 && !(1 != main_~P9~0#1 && 0 != main_~P9~0#1)) || (((main_~P9~0#1 != (if main_~this_expect~0#1 - 1 < 0 && 0 != (main_~this_expect~0#1 - 1) % 2 then (main_~this_expect~0#1 - 1) % 2 - 2 else (main_~this_expect~0#1 - 1) % 2) && 1 != main_~this_buffer_empty~0#1) && 0 != main_~P9~0#1) && 0 != main_~P9~0#1 && !(1 != main_~P9~0#1 && 0 != main_~P9~0#1)));main_~q~0#1 := 1;main_~this_expect~0#1 := main_~this_expect~0#1;main_~this_buffer_empty~0#1 := 1 - main_~this_buffer_empty~0#1; {37220#(<= |ULTIMATE.start_main_~this_expect~0#1| 4)} is VALID [2022-02-20 16:07:54,258 INFO L290 TraceCheckUtils]: 101: Hoare triple {37220#(<= |ULTIMATE.start_main_~this_expect~0#1| 4)} assume !false;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_~P1~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647;main_~P2~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647;main_~P3~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;assume -2147483648 <= main_#t~nondet7#1 && main_#t~nondet7#1 <= 2147483647;main_~P4~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;assume -2147483648 <= main_#t~nondet8#1 && main_#t~nondet8#1 <= 2147483647;main_~P5~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647;main_~P6~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1;assume -2147483648 <= main_#t~nondet10#1 && main_#t~nondet10#1 <= 2147483647;main_~P7~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;assume -2147483648 <= main_#t~nondet11#1 && main_#t~nondet11#1 <= 2147483647;main_~P8~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;assume -2147483648 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 2147483647;main_~P9~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; {37220#(<= |ULTIMATE.start_main_~this_expect~0#1| 4)} is VALID [2022-02-20 16:07:54,259 INFO L290 TraceCheckUtils]: 102: Hoare triple {37220#(<= |ULTIMATE.start_main_~this_expect~0#1| 4)} assume !(main_~this_expect~0#1 > 16); {37220#(<= |ULTIMATE.start_main_~this_expect~0#1| 4)} is VALID [2022-02-20 16:07:54,259 INFO L290 TraceCheckUtils]: 103: Hoare triple {37220#(<= |ULTIMATE.start_main_~this_expect~0#1| 4)} assume !(0 == main_~q~0#1); {37220#(<= |ULTIMATE.start_main_~this_expect~0#1| 4)} is VALID [2022-02-20 16:07:54,259 INFO L290 TraceCheckUtils]: 104: Hoare triple {37220#(<= |ULTIMATE.start_main_~this_expect~0#1| 4)} assume 1 == main_~q~0#1;assume -2147483648 <= main_#t~nondet14#1 && main_#t~nondet14#1 <= 2147483647; {37220#(<= |ULTIMATE.start_main_~this_expect~0#1| 4)} is VALID [2022-02-20 16:07:54,259 INFO L290 TraceCheckUtils]: 105: Hoare triple {37220#(<= |ULTIMATE.start_main_~this_expect~0#1| 4)} assume 0 != main_#t~nondet14#1;havoc main_#t~nondet14#1; {37220#(<= |ULTIMATE.start_main_~this_expect~0#1| 4)} is VALID [2022-02-20 16:07:54,260 INFO L290 TraceCheckUtils]: 106: Hoare triple {37220#(<= |ULTIMATE.start_main_~this_expect~0#1| 4)} assume !(0 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2));main_~method_id~0#1 := 2; {37220#(<= |ULTIMATE.start_main_~this_expect~0#1| 4)} is VALID [2022-02-20 16:07:54,260 INFO L290 TraceCheckUtils]: 107: Hoare triple {37220#(<= |ULTIMATE.start_main_~this_expect~0#1| 4)} assume !((((if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2) != (if main_~this_expect~0#1 < 0 && 0 != main_~this_expect~0#1 % 2 then main_~this_expect~0#1 % 2 - 2 else main_~this_expect~0#1 % 2) && 1 == main_~this_buffer_empty~0#1) && !(0 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2))) || (1 != main_~this_buffer_empty~0#1 && !(0 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2))));main_~q~0#1 := 3;main_~this_expect~0#1 := 1 + main_~this_expect~0#1;main_~this_buffer_empty~0#1 := 1 - main_~this_buffer_empty~0#1; {37221#(<= |ULTIMATE.start_main_~this_expect~0#1| 5)} is VALID [2022-02-20 16:07:54,261 INFO L290 TraceCheckUtils]: 108: Hoare triple {37221#(<= |ULTIMATE.start_main_~this_expect~0#1| 5)} assume !false;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_~P1~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647;main_~P2~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647;main_~P3~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;assume -2147483648 <= main_#t~nondet7#1 && main_#t~nondet7#1 <= 2147483647;main_~P4~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;assume -2147483648 <= main_#t~nondet8#1 && main_#t~nondet8#1 <= 2147483647;main_~P5~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647;main_~P6~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1;assume -2147483648 <= main_#t~nondet10#1 && main_#t~nondet10#1 <= 2147483647;main_~P7~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;assume -2147483648 <= main_#t~nondet11#1 && main_#t~nondet11#1 <= 2147483647;main_~P8~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;assume -2147483648 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 2147483647;main_~P9~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; {37221#(<= |ULTIMATE.start_main_~this_expect~0#1| 5)} is VALID [2022-02-20 16:07:54,261 INFO L290 TraceCheckUtils]: 109: Hoare triple {37221#(<= |ULTIMATE.start_main_~this_expect~0#1| 5)} assume !(main_~this_expect~0#1 > 16); {37221#(<= |ULTIMATE.start_main_~this_expect~0#1| 5)} is VALID [2022-02-20 16:07:54,261 INFO L290 TraceCheckUtils]: 110: Hoare triple {37221#(<= |ULTIMATE.start_main_~this_expect~0#1| 5)} assume !(0 == main_~q~0#1); {37221#(<= |ULTIMATE.start_main_~this_expect~0#1| 5)} is VALID [2022-02-20 16:07:54,262 INFO L290 TraceCheckUtils]: 111: Hoare triple {37221#(<= |ULTIMATE.start_main_~this_expect~0#1| 5)} assume !(1 == main_~q~0#1); {37221#(<= |ULTIMATE.start_main_~this_expect~0#1| 5)} is VALID [2022-02-20 16:07:54,262 INFO L290 TraceCheckUtils]: 112: Hoare triple {37221#(<= |ULTIMATE.start_main_~this_expect~0#1| 5)} assume !(2 == main_~q~0#1); {37221#(<= |ULTIMATE.start_main_~this_expect~0#1| 5)} is VALID [2022-02-20 16:07:54,262 INFO L290 TraceCheckUtils]: 113: Hoare triple {37221#(<= |ULTIMATE.start_main_~this_expect~0#1| 5)} assume 3 == main_~q~0#1;assume -2147483648 <= main_#t~nondet26#1 && main_#t~nondet26#1 <= 2147483647; {37221#(<= |ULTIMATE.start_main_~this_expect~0#1| 5)} is VALID [2022-02-20 16:07:54,262 INFO L290 TraceCheckUtils]: 114: Hoare triple {37221#(<= |ULTIMATE.start_main_~this_expect~0#1| 5)} assume !(0 != main_#t~nondet26#1);havoc main_#t~nondet26#1;assume -2147483648 <= main_#t~nondet27#1 && main_#t~nondet27#1 <= 2147483647; {37221#(<= |ULTIMATE.start_main_~this_expect~0#1| 5)} is VALID [2022-02-20 16:07:54,263 INFO L290 TraceCheckUtils]: 115: Hoare triple {37221#(<= |ULTIMATE.start_main_~this_expect~0#1| 5)} assume 0 != main_#t~nondet27#1;havoc main_#t~nondet27#1; {37221#(<= |ULTIMATE.start_main_~this_expect~0#1| 5)} is VALID [2022-02-20 16:07:54,263 INFO L290 TraceCheckUtils]: 116: Hoare triple {37221#(<= |ULTIMATE.start_main_~this_expect~0#1| 5)} assume !(0 != main_~P1~0#1);main_~method_id~0#1 := 3; {37221#(<= |ULTIMATE.start_main_~this_expect~0#1| 5)} is VALID [2022-02-20 16:07:54,263 INFO L290 TraceCheckUtils]: 117: Hoare triple {37221#(<= |ULTIMATE.start_main_~this_expect~0#1| 5)} assume !((1 == main_~this_buffer_empty~0#1 && !(0 != main_~P3~0#1)) || ((main_~P3~0#1 != (if main_~this_expect~0#1 - 1 < 0 && 0 != (main_~this_expect~0#1 - 1) % 2 then (main_~this_expect~0#1 - 1) % 2 - 2 else (main_~this_expect~0#1 - 1) % 2) && 1 != main_~this_buffer_empty~0#1) && !(0 != main_~P3~0#1)));main_~q~0#1 := 4;main_~this_expect~0#1 := main_~this_expect~0#1;main_~this_buffer_empty~0#1 := 1 - main_~this_buffer_empty~0#1; {37221#(<= |ULTIMATE.start_main_~this_expect~0#1| 5)} is VALID [2022-02-20 16:07:54,264 INFO L290 TraceCheckUtils]: 118: Hoare triple {37221#(<= |ULTIMATE.start_main_~this_expect~0#1| 5)} assume !false;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_~P1~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647;main_~P2~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647;main_~P3~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;assume -2147483648 <= main_#t~nondet7#1 && main_#t~nondet7#1 <= 2147483647;main_~P4~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;assume -2147483648 <= main_#t~nondet8#1 && main_#t~nondet8#1 <= 2147483647;main_~P5~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647;main_~P6~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1;assume -2147483648 <= main_#t~nondet10#1 && main_#t~nondet10#1 <= 2147483647;main_~P7~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;assume -2147483648 <= main_#t~nondet11#1 && main_#t~nondet11#1 <= 2147483647;main_~P8~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;assume -2147483648 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 2147483647;main_~P9~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; {37221#(<= |ULTIMATE.start_main_~this_expect~0#1| 5)} is VALID [2022-02-20 16:07:54,264 INFO L290 TraceCheckUtils]: 119: Hoare triple {37221#(<= |ULTIMATE.start_main_~this_expect~0#1| 5)} assume !(main_~this_expect~0#1 > 16); {37221#(<= |ULTIMATE.start_main_~this_expect~0#1| 5)} is VALID [2022-02-20 16:07:54,264 INFO L290 TraceCheckUtils]: 120: Hoare triple {37221#(<= |ULTIMATE.start_main_~this_expect~0#1| 5)} assume !(0 == main_~q~0#1); {37221#(<= |ULTIMATE.start_main_~this_expect~0#1| 5)} is VALID [2022-02-20 16:07:54,265 INFO L290 TraceCheckUtils]: 121: Hoare triple {37221#(<= |ULTIMATE.start_main_~this_expect~0#1| 5)} assume !(1 == main_~q~0#1); {37221#(<= |ULTIMATE.start_main_~this_expect~0#1| 5)} is VALID [2022-02-20 16:07:54,265 INFO L290 TraceCheckUtils]: 122: Hoare triple {37221#(<= |ULTIMATE.start_main_~this_expect~0#1| 5)} assume !(2 == main_~q~0#1); {37221#(<= |ULTIMATE.start_main_~this_expect~0#1| 5)} is VALID [2022-02-20 16:07:54,265 INFO L290 TraceCheckUtils]: 123: Hoare triple {37221#(<= |ULTIMATE.start_main_~this_expect~0#1| 5)} assume !(3 == main_~q~0#1); {37221#(<= |ULTIMATE.start_main_~this_expect~0#1| 5)} is VALID [2022-02-20 16:07:54,265 INFO L290 TraceCheckUtils]: 124: Hoare triple {37221#(<= |ULTIMATE.start_main_~this_expect~0#1| 5)} assume 4 == main_~q~0#1;assume -2147483648 <= main_#t~nondet32#1 && main_#t~nondet32#1 <= 2147483647; {37221#(<= |ULTIMATE.start_main_~this_expect~0#1| 5)} is VALID [2022-02-20 16:07:54,266 INFO L290 TraceCheckUtils]: 125: Hoare triple {37221#(<= |ULTIMATE.start_main_~this_expect~0#1| 5)} assume !(0 != main_#t~nondet32#1);havoc main_#t~nondet32#1;assume -2147483648 <= main_#t~nondet33#1 && main_#t~nondet33#1 <= 2147483647; {37221#(<= |ULTIMATE.start_main_~this_expect~0#1| 5)} is VALID [2022-02-20 16:07:54,266 INFO L290 TraceCheckUtils]: 126: Hoare triple {37221#(<= |ULTIMATE.start_main_~this_expect~0#1| 5)} assume !(0 != main_#t~nondet33#1);havoc main_#t~nondet33#1;assume -2147483648 <= main_#t~nondet34#1 && main_#t~nondet34#1 <= 2147483647; {37221#(<= |ULTIMATE.start_main_~this_expect~0#1| 5)} is VALID [2022-02-20 16:07:54,266 INFO L290 TraceCheckUtils]: 127: Hoare triple {37221#(<= |ULTIMATE.start_main_~this_expect~0#1| 5)} assume !(0 != main_#t~nondet34#1);havoc main_#t~nondet34#1;assume -2147483648 <= main_#t~nondet35#1 && main_#t~nondet35#1 <= 2147483647; {37221#(<= |ULTIMATE.start_main_~this_expect~0#1| 5)} is VALID [2022-02-20 16:07:54,267 INFO L290 TraceCheckUtils]: 128: Hoare triple {37221#(<= |ULTIMATE.start_main_~this_expect~0#1| 5)} assume 0 != main_#t~nondet35#1;havoc main_#t~nondet35#1; {37221#(<= |ULTIMATE.start_main_~this_expect~0#1| 5)} is VALID [2022-02-20 16:07:54,267 INFO L290 TraceCheckUtils]: 129: Hoare triple {37221#(<= |ULTIMATE.start_main_~this_expect~0#1| 5)} assume 0 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2) && !(1 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2) && 0 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2));main_~method_id~0#1 := 5; {37221#(<= |ULTIMATE.start_main_~this_expect~0#1| 5)} is VALID [2022-02-20 16:07:54,267 INFO L290 TraceCheckUtils]: 130: Hoare triple {37221#(<= |ULTIMATE.start_main_~this_expect~0#1| 5)} assume !(((((if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2) != (if main_~this_expect~0#1 < 0 && 0 != main_~this_expect~0#1 % 2 then main_~this_expect~0#1 % 2 - 2 else main_~this_expect~0#1 % 2) && 1 == main_~this_buffer_empty~0#1) && 0 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2)) && 0 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2) && !(1 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2) && 0 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2))) || ((1 != main_~this_buffer_empty~0#1 && 0 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2)) && 0 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2) && !(1 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2) && 0 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2))));main_~q~0#1 := 5;main_~this_expect~0#1 := 1 + main_~this_expect~0#1;main_~this_buffer_empty~0#1 := 1 - main_~this_buffer_empty~0#1; {37222#(<= |ULTIMATE.start_main_~this_expect~0#1| 6)} is VALID [2022-02-20 16:07:54,268 INFO L290 TraceCheckUtils]: 131: Hoare triple {37222#(<= |ULTIMATE.start_main_~this_expect~0#1| 6)} assume !false;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_~P1~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647;main_~P2~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647;main_~P3~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;assume -2147483648 <= main_#t~nondet7#1 && main_#t~nondet7#1 <= 2147483647;main_~P4~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;assume -2147483648 <= main_#t~nondet8#1 && main_#t~nondet8#1 <= 2147483647;main_~P5~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647;main_~P6~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1;assume -2147483648 <= main_#t~nondet10#1 && main_#t~nondet10#1 <= 2147483647;main_~P7~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;assume -2147483648 <= main_#t~nondet11#1 && main_#t~nondet11#1 <= 2147483647;main_~P8~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;assume -2147483648 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 2147483647;main_~P9~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; {37222#(<= |ULTIMATE.start_main_~this_expect~0#1| 6)} is VALID [2022-02-20 16:07:54,268 INFO L290 TraceCheckUtils]: 132: Hoare triple {37222#(<= |ULTIMATE.start_main_~this_expect~0#1| 6)} assume !(main_~this_expect~0#1 > 16); {37222#(<= |ULTIMATE.start_main_~this_expect~0#1| 6)} is VALID [2022-02-20 16:07:54,268 INFO L290 TraceCheckUtils]: 133: Hoare triple {37222#(<= |ULTIMATE.start_main_~this_expect~0#1| 6)} assume !(0 == main_~q~0#1); {37222#(<= |ULTIMATE.start_main_~this_expect~0#1| 6)} is VALID [2022-02-20 16:07:54,269 INFO L290 TraceCheckUtils]: 134: Hoare triple {37222#(<= |ULTIMATE.start_main_~this_expect~0#1| 6)} assume !(1 == main_~q~0#1); {37222#(<= |ULTIMATE.start_main_~this_expect~0#1| 6)} is VALID [2022-02-20 16:07:54,269 INFO L290 TraceCheckUtils]: 135: Hoare triple {37222#(<= |ULTIMATE.start_main_~this_expect~0#1| 6)} assume !(2 == main_~q~0#1); {37222#(<= |ULTIMATE.start_main_~this_expect~0#1| 6)} is VALID [2022-02-20 16:07:54,269 INFO L290 TraceCheckUtils]: 136: Hoare triple {37222#(<= |ULTIMATE.start_main_~this_expect~0#1| 6)} assume !(3 == main_~q~0#1); {37222#(<= |ULTIMATE.start_main_~this_expect~0#1| 6)} is VALID [2022-02-20 16:07:54,269 INFO L290 TraceCheckUtils]: 137: Hoare triple {37222#(<= |ULTIMATE.start_main_~this_expect~0#1| 6)} assume !(4 == main_~q~0#1); {37222#(<= |ULTIMATE.start_main_~this_expect~0#1| 6)} is VALID [2022-02-20 16:07:54,270 INFO L290 TraceCheckUtils]: 138: Hoare triple {37222#(<= |ULTIMATE.start_main_~this_expect~0#1| 6)} assume 5 == main_~q~0#1;assume -2147483648 <= main_#t~nondet38#1 && main_#t~nondet38#1 <= 2147483647; {37222#(<= |ULTIMATE.start_main_~this_expect~0#1| 6)} is VALID [2022-02-20 16:07:54,270 INFO L290 TraceCheckUtils]: 139: Hoare triple {37222#(<= |ULTIMATE.start_main_~this_expect~0#1| 6)} assume !(0 != main_#t~nondet38#1);havoc main_#t~nondet38#1;assume -2147483648 <= main_#t~nondet39#1 && main_#t~nondet39#1 <= 2147483647; {37222#(<= |ULTIMATE.start_main_~this_expect~0#1| 6)} is VALID [2022-02-20 16:07:54,270 INFO L290 TraceCheckUtils]: 140: Hoare triple {37222#(<= |ULTIMATE.start_main_~this_expect~0#1| 6)} assume !(0 != main_#t~nondet39#1);havoc main_#t~nondet39#1;assume -2147483648 <= main_#t~nondet40#1 && main_#t~nondet40#1 <= 2147483647; {37222#(<= |ULTIMATE.start_main_~this_expect~0#1| 6)} is VALID [2022-02-20 16:07:54,271 INFO L290 TraceCheckUtils]: 141: Hoare triple {37222#(<= |ULTIMATE.start_main_~this_expect~0#1| 6)} assume !(0 != main_#t~nondet40#1);havoc main_#t~nondet40#1;assume -2147483648 <= main_#t~nondet41#1 && main_#t~nondet41#1 <= 2147483647; {37222#(<= |ULTIMATE.start_main_~this_expect~0#1| 6)} is VALID [2022-02-20 16:07:54,271 INFO L290 TraceCheckUtils]: 142: Hoare triple {37222#(<= |ULTIMATE.start_main_~this_expect~0#1| 6)} assume !(0 != main_#t~nondet41#1);havoc main_#t~nondet41#1;assume -2147483648 <= main_#t~nondet42#1 && main_#t~nondet42#1 <= 2147483647; {37222#(<= |ULTIMATE.start_main_~this_expect~0#1| 6)} is VALID [2022-02-20 16:07:54,271 INFO L290 TraceCheckUtils]: 143: Hoare triple {37222#(<= |ULTIMATE.start_main_~this_expect~0#1| 6)} assume !(0 != main_#t~nondet42#1);havoc main_#t~nondet42#1;assume -2147483648 <= main_#t~nondet43#1 && main_#t~nondet43#1 <= 2147483647; {37222#(<= |ULTIMATE.start_main_~this_expect~0#1| 6)} is VALID [2022-02-20 16:07:54,271 INFO L290 TraceCheckUtils]: 144: Hoare triple {37222#(<= |ULTIMATE.start_main_~this_expect~0#1| 6)} assume 0 != main_#t~nondet43#1;havoc main_#t~nondet43#1; {37222#(<= |ULTIMATE.start_main_~this_expect~0#1| 6)} is VALID [2022-02-20 16:07:54,272 INFO L290 TraceCheckUtils]: 145: Hoare triple {37222#(<= |ULTIMATE.start_main_~this_expect~0#1| 6)} assume 0 != main_~P1~0#1 && !(1 != main_~P1~0#1 && 0 != main_~P1~0#1);main_~method_id~0#1 := 7; {37222#(<= |ULTIMATE.start_main_~this_expect~0#1| 6)} is VALID [2022-02-20 16:07:54,272 INFO L290 TraceCheckUtils]: 146: Hoare triple {37222#(<= |ULTIMATE.start_main_~this_expect~0#1| 6)} assume !(((1 == main_~this_buffer_empty~0#1 && 0 != main_~P9~0#1) && 0 != main_~P9~0#1 && !(1 != main_~P9~0#1 && 0 != main_~P9~0#1)) || (((main_~P9~0#1 != (if main_~this_expect~0#1 - 1 < 0 && 0 != (main_~this_expect~0#1 - 1) % 2 then (main_~this_expect~0#1 - 1) % 2 - 2 else (main_~this_expect~0#1 - 1) % 2) && 1 != main_~this_buffer_empty~0#1) && 0 != main_~P9~0#1) && 0 != main_~P9~0#1 && !(1 != main_~P9~0#1 && 0 != main_~P9~0#1)));main_~q~0#1 := 1;main_~this_expect~0#1 := main_~this_expect~0#1;main_~this_buffer_empty~0#1 := 1 - main_~this_buffer_empty~0#1; {37222#(<= |ULTIMATE.start_main_~this_expect~0#1| 6)} is VALID [2022-02-20 16:07:54,272 INFO L290 TraceCheckUtils]: 147: Hoare triple {37222#(<= |ULTIMATE.start_main_~this_expect~0#1| 6)} assume !false;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_~P1~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647;main_~P2~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647;main_~P3~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;assume -2147483648 <= main_#t~nondet7#1 && main_#t~nondet7#1 <= 2147483647;main_~P4~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;assume -2147483648 <= main_#t~nondet8#1 && main_#t~nondet8#1 <= 2147483647;main_~P5~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647;main_~P6~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1;assume -2147483648 <= main_#t~nondet10#1 && main_#t~nondet10#1 <= 2147483647;main_~P7~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;assume -2147483648 <= main_#t~nondet11#1 && main_#t~nondet11#1 <= 2147483647;main_~P8~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;assume -2147483648 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 2147483647;main_~P9~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; {37222#(<= |ULTIMATE.start_main_~this_expect~0#1| 6)} is VALID [2022-02-20 16:07:54,273 INFO L290 TraceCheckUtils]: 148: Hoare triple {37222#(<= |ULTIMATE.start_main_~this_expect~0#1| 6)} assume !(main_~this_expect~0#1 > 16); {37222#(<= |ULTIMATE.start_main_~this_expect~0#1| 6)} is VALID [2022-02-20 16:07:54,273 INFO L290 TraceCheckUtils]: 149: Hoare triple {37222#(<= |ULTIMATE.start_main_~this_expect~0#1| 6)} assume !(0 == main_~q~0#1); {37222#(<= |ULTIMATE.start_main_~this_expect~0#1| 6)} is VALID [2022-02-20 16:07:54,273 INFO L290 TraceCheckUtils]: 150: Hoare triple {37222#(<= |ULTIMATE.start_main_~this_expect~0#1| 6)} assume 1 == main_~q~0#1;assume -2147483648 <= main_#t~nondet14#1 && main_#t~nondet14#1 <= 2147483647; {37222#(<= |ULTIMATE.start_main_~this_expect~0#1| 6)} is VALID [2022-02-20 16:07:54,274 INFO L290 TraceCheckUtils]: 151: Hoare triple {37222#(<= |ULTIMATE.start_main_~this_expect~0#1| 6)} assume 0 != main_#t~nondet14#1;havoc main_#t~nondet14#1; {37222#(<= |ULTIMATE.start_main_~this_expect~0#1| 6)} is VALID [2022-02-20 16:07:54,274 INFO L290 TraceCheckUtils]: 152: Hoare triple {37222#(<= |ULTIMATE.start_main_~this_expect~0#1| 6)} assume !(0 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2));main_~method_id~0#1 := 2; {37222#(<= |ULTIMATE.start_main_~this_expect~0#1| 6)} is VALID [2022-02-20 16:07:54,275 INFO L290 TraceCheckUtils]: 153: Hoare triple {37222#(<= |ULTIMATE.start_main_~this_expect~0#1| 6)} assume !((((if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2) != (if main_~this_expect~0#1 < 0 && 0 != main_~this_expect~0#1 % 2 then main_~this_expect~0#1 % 2 - 2 else main_~this_expect~0#1 % 2) && 1 == main_~this_buffer_empty~0#1) && !(0 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2))) || (1 != main_~this_buffer_empty~0#1 && !(0 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2))));main_~q~0#1 := 3;main_~this_expect~0#1 := 1 + main_~this_expect~0#1;main_~this_buffer_empty~0#1 := 1 - main_~this_buffer_empty~0#1; {37223#(<= |ULTIMATE.start_main_~this_expect~0#1| 7)} is VALID [2022-02-20 16:07:54,275 INFO L290 TraceCheckUtils]: 154: Hoare triple {37223#(<= |ULTIMATE.start_main_~this_expect~0#1| 7)} assume !false;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_~P1~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647;main_~P2~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647;main_~P3~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;assume -2147483648 <= main_#t~nondet7#1 && main_#t~nondet7#1 <= 2147483647;main_~P4~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;assume -2147483648 <= main_#t~nondet8#1 && main_#t~nondet8#1 <= 2147483647;main_~P5~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647;main_~P6~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1;assume -2147483648 <= main_#t~nondet10#1 && main_#t~nondet10#1 <= 2147483647;main_~P7~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;assume -2147483648 <= main_#t~nondet11#1 && main_#t~nondet11#1 <= 2147483647;main_~P8~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;assume -2147483648 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 2147483647;main_~P9~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; {37223#(<= |ULTIMATE.start_main_~this_expect~0#1| 7)} is VALID [2022-02-20 16:07:54,275 INFO L290 TraceCheckUtils]: 155: Hoare triple {37223#(<= |ULTIMATE.start_main_~this_expect~0#1| 7)} assume !(main_~this_expect~0#1 > 16); {37223#(<= |ULTIMATE.start_main_~this_expect~0#1| 7)} is VALID [2022-02-20 16:07:54,275 INFO L290 TraceCheckUtils]: 156: Hoare triple {37223#(<= |ULTIMATE.start_main_~this_expect~0#1| 7)} assume !(0 == main_~q~0#1); {37223#(<= |ULTIMATE.start_main_~this_expect~0#1| 7)} is VALID [2022-02-20 16:07:54,276 INFO L290 TraceCheckUtils]: 157: Hoare triple {37223#(<= |ULTIMATE.start_main_~this_expect~0#1| 7)} assume !(1 == main_~q~0#1); {37223#(<= |ULTIMATE.start_main_~this_expect~0#1| 7)} is VALID [2022-02-20 16:07:54,276 INFO L290 TraceCheckUtils]: 158: Hoare triple {37223#(<= |ULTIMATE.start_main_~this_expect~0#1| 7)} assume !(2 == main_~q~0#1); {37223#(<= |ULTIMATE.start_main_~this_expect~0#1| 7)} is VALID [2022-02-20 16:07:54,276 INFO L290 TraceCheckUtils]: 159: Hoare triple {37223#(<= |ULTIMATE.start_main_~this_expect~0#1| 7)} assume 3 == main_~q~0#1;assume -2147483648 <= main_#t~nondet26#1 && main_#t~nondet26#1 <= 2147483647; {37223#(<= |ULTIMATE.start_main_~this_expect~0#1| 7)} is VALID [2022-02-20 16:07:54,277 INFO L290 TraceCheckUtils]: 160: Hoare triple {37223#(<= |ULTIMATE.start_main_~this_expect~0#1| 7)} assume !(0 != main_#t~nondet26#1);havoc main_#t~nondet26#1;assume -2147483648 <= main_#t~nondet27#1 && main_#t~nondet27#1 <= 2147483647; {37223#(<= |ULTIMATE.start_main_~this_expect~0#1| 7)} is VALID [2022-02-20 16:07:54,277 INFO L290 TraceCheckUtils]: 161: Hoare triple {37223#(<= |ULTIMATE.start_main_~this_expect~0#1| 7)} assume 0 != main_#t~nondet27#1;havoc main_#t~nondet27#1; {37223#(<= |ULTIMATE.start_main_~this_expect~0#1| 7)} is VALID [2022-02-20 16:07:54,277 INFO L290 TraceCheckUtils]: 162: Hoare triple {37223#(<= |ULTIMATE.start_main_~this_expect~0#1| 7)} assume !(0 != main_~P1~0#1);main_~method_id~0#1 := 3; {37223#(<= |ULTIMATE.start_main_~this_expect~0#1| 7)} is VALID [2022-02-20 16:07:54,278 INFO L290 TraceCheckUtils]: 163: Hoare triple {37223#(<= |ULTIMATE.start_main_~this_expect~0#1| 7)} assume !((1 == main_~this_buffer_empty~0#1 && !(0 != main_~P3~0#1)) || ((main_~P3~0#1 != (if main_~this_expect~0#1 - 1 < 0 && 0 != (main_~this_expect~0#1 - 1) % 2 then (main_~this_expect~0#1 - 1) % 2 - 2 else (main_~this_expect~0#1 - 1) % 2) && 1 != main_~this_buffer_empty~0#1) && !(0 != main_~P3~0#1)));main_~q~0#1 := 4;main_~this_expect~0#1 := main_~this_expect~0#1;main_~this_buffer_empty~0#1 := 1 - main_~this_buffer_empty~0#1; {37223#(<= |ULTIMATE.start_main_~this_expect~0#1| 7)} is VALID [2022-02-20 16:07:54,278 INFO L290 TraceCheckUtils]: 164: Hoare triple {37223#(<= |ULTIMATE.start_main_~this_expect~0#1| 7)} assume !false;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_~P1~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647;main_~P2~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647;main_~P3~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;assume -2147483648 <= main_#t~nondet7#1 && main_#t~nondet7#1 <= 2147483647;main_~P4~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;assume -2147483648 <= main_#t~nondet8#1 && main_#t~nondet8#1 <= 2147483647;main_~P5~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647;main_~P6~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1;assume -2147483648 <= main_#t~nondet10#1 && main_#t~nondet10#1 <= 2147483647;main_~P7~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;assume -2147483648 <= main_#t~nondet11#1 && main_#t~nondet11#1 <= 2147483647;main_~P8~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;assume -2147483648 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 2147483647;main_~P9~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; {37223#(<= |ULTIMATE.start_main_~this_expect~0#1| 7)} is VALID [2022-02-20 16:07:54,278 INFO L290 TraceCheckUtils]: 165: Hoare triple {37223#(<= |ULTIMATE.start_main_~this_expect~0#1| 7)} assume !(main_~this_expect~0#1 > 16); {37223#(<= |ULTIMATE.start_main_~this_expect~0#1| 7)} is VALID [2022-02-20 16:07:54,278 INFO L290 TraceCheckUtils]: 166: Hoare triple {37223#(<= |ULTIMATE.start_main_~this_expect~0#1| 7)} assume !(0 == main_~q~0#1); {37223#(<= |ULTIMATE.start_main_~this_expect~0#1| 7)} is VALID [2022-02-20 16:07:54,279 INFO L290 TraceCheckUtils]: 167: Hoare triple {37223#(<= |ULTIMATE.start_main_~this_expect~0#1| 7)} assume !(1 == main_~q~0#1); {37223#(<= |ULTIMATE.start_main_~this_expect~0#1| 7)} is VALID [2022-02-20 16:07:54,279 INFO L290 TraceCheckUtils]: 168: Hoare triple {37223#(<= |ULTIMATE.start_main_~this_expect~0#1| 7)} assume !(2 == main_~q~0#1); {37223#(<= |ULTIMATE.start_main_~this_expect~0#1| 7)} is VALID [2022-02-20 16:07:54,279 INFO L290 TraceCheckUtils]: 169: Hoare triple {37223#(<= |ULTIMATE.start_main_~this_expect~0#1| 7)} assume !(3 == main_~q~0#1); {37223#(<= |ULTIMATE.start_main_~this_expect~0#1| 7)} is VALID [2022-02-20 16:07:54,280 INFO L290 TraceCheckUtils]: 170: Hoare triple {37223#(<= |ULTIMATE.start_main_~this_expect~0#1| 7)} assume 4 == main_~q~0#1;assume -2147483648 <= main_#t~nondet32#1 && main_#t~nondet32#1 <= 2147483647; {37223#(<= |ULTIMATE.start_main_~this_expect~0#1| 7)} is VALID [2022-02-20 16:07:54,280 INFO L290 TraceCheckUtils]: 171: Hoare triple {37223#(<= |ULTIMATE.start_main_~this_expect~0#1| 7)} assume !(0 != main_#t~nondet32#1);havoc main_#t~nondet32#1;assume -2147483648 <= main_#t~nondet33#1 && main_#t~nondet33#1 <= 2147483647; {37223#(<= |ULTIMATE.start_main_~this_expect~0#1| 7)} is VALID [2022-02-20 16:07:54,280 INFO L290 TraceCheckUtils]: 172: Hoare triple {37223#(<= |ULTIMATE.start_main_~this_expect~0#1| 7)} assume !(0 != main_#t~nondet33#1);havoc main_#t~nondet33#1;assume -2147483648 <= main_#t~nondet34#1 && main_#t~nondet34#1 <= 2147483647; {37223#(<= |ULTIMATE.start_main_~this_expect~0#1| 7)} is VALID [2022-02-20 16:07:54,280 INFO L290 TraceCheckUtils]: 173: Hoare triple {37223#(<= |ULTIMATE.start_main_~this_expect~0#1| 7)} assume !(0 != main_#t~nondet34#1);havoc main_#t~nondet34#1;assume -2147483648 <= main_#t~nondet35#1 && main_#t~nondet35#1 <= 2147483647; {37223#(<= |ULTIMATE.start_main_~this_expect~0#1| 7)} is VALID [2022-02-20 16:07:54,281 INFO L290 TraceCheckUtils]: 174: Hoare triple {37223#(<= |ULTIMATE.start_main_~this_expect~0#1| 7)} assume 0 != main_#t~nondet35#1;havoc main_#t~nondet35#1; {37223#(<= |ULTIMATE.start_main_~this_expect~0#1| 7)} is VALID [2022-02-20 16:07:54,281 INFO L290 TraceCheckUtils]: 175: Hoare triple {37223#(<= |ULTIMATE.start_main_~this_expect~0#1| 7)} assume 0 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2) && !(1 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2) && 0 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2));main_~method_id~0#1 := 5; {37223#(<= |ULTIMATE.start_main_~this_expect~0#1| 7)} is VALID [2022-02-20 16:07:54,282 INFO L290 TraceCheckUtils]: 176: Hoare triple {37223#(<= |ULTIMATE.start_main_~this_expect~0#1| 7)} assume !(((((if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2) != (if main_~this_expect~0#1 < 0 && 0 != main_~this_expect~0#1 % 2 then main_~this_expect~0#1 % 2 - 2 else main_~this_expect~0#1 % 2) && 1 == main_~this_buffer_empty~0#1) && 0 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2)) && 0 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2) && !(1 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2) && 0 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2))) || ((1 != main_~this_buffer_empty~0#1 && 0 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2)) && 0 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2) && !(1 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2) && 0 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2))));main_~q~0#1 := 5;main_~this_expect~0#1 := 1 + main_~this_expect~0#1;main_~this_buffer_empty~0#1 := 1 - main_~this_buffer_empty~0#1; {37224#(<= |ULTIMATE.start_main_~this_expect~0#1| 8)} is VALID [2022-02-20 16:07:54,282 INFO L290 TraceCheckUtils]: 177: Hoare triple {37224#(<= |ULTIMATE.start_main_~this_expect~0#1| 8)} assume !false;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_~P1~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647;main_~P2~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647;main_~P3~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;assume -2147483648 <= main_#t~nondet7#1 && main_#t~nondet7#1 <= 2147483647;main_~P4~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;assume -2147483648 <= main_#t~nondet8#1 && main_#t~nondet8#1 <= 2147483647;main_~P5~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647;main_~P6~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1;assume -2147483648 <= main_#t~nondet10#1 && main_#t~nondet10#1 <= 2147483647;main_~P7~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;assume -2147483648 <= main_#t~nondet11#1 && main_#t~nondet11#1 <= 2147483647;main_~P8~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;assume -2147483648 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 2147483647;main_~P9~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; {37224#(<= |ULTIMATE.start_main_~this_expect~0#1| 8)} is VALID [2022-02-20 16:07:54,282 INFO L290 TraceCheckUtils]: 178: Hoare triple {37224#(<= |ULTIMATE.start_main_~this_expect~0#1| 8)} assume !(main_~this_expect~0#1 > 16); {37224#(<= |ULTIMATE.start_main_~this_expect~0#1| 8)} is VALID [2022-02-20 16:07:54,283 INFO L290 TraceCheckUtils]: 179: Hoare triple {37224#(<= |ULTIMATE.start_main_~this_expect~0#1| 8)} assume !(0 == main_~q~0#1); {37224#(<= |ULTIMATE.start_main_~this_expect~0#1| 8)} is VALID [2022-02-20 16:07:54,283 INFO L290 TraceCheckUtils]: 180: Hoare triple {37224#(<= |ULTIMATE.start_main_~this_expect~0#1| 8)} assume !(1 == main_~q~0#1); {37224#(<= |ULTIMATE.start_main_~this_expect~0#1| 8)} is VALID [2022-02-20 16:07:54,283 INFO L290 TraceCheckUtils]: 181: Hoare triple {37224#(<= |ULTIMATE.start_main_~this_expect~0#1| 8)} assume !(2 == main_~q~0#1); {37224#(<= |ULTIMATE.start_main_~this_expect~0#1| 8)} is VALID [2022-02-20 16:07:54,283 INFO L290 TraceCheckUtils]: 182: Hoare triple {37224#(<= |ULTIMATE.start_main_~this_expect~0#1| 8)} assume !(3 == main_~q~0#1); {37224#(<= |ULTIMATE.start_main_~this_expect~0#1| 8)} is VALID [2022-02-20 16:07:54,284 INFO L290 TraceCheckUtils]: 183: Hoare triple {37224#(<= |ULTIMATE.start_main_~this_expect~0#1| 8)} assume !(4 == main_~q~0#1); {37224#(<= |ULTIMATE.start_main_~this_expect~0#1| 8)} is VALID [2022-02-20 16:07:54,284 INFO L290 TraceCheckUtils]: 184: Hoare triple {37224#(<= |ULTIMATE.start_main_~this_expect~0#1| 8)} assume 5 == main_~q~0#1;assume -2147483648 <= main_#t~nondet38#1 && main_#t~nondet38#1 <= 2147483647; {37224#(<= |ULTIMATE.start_main_~this_expect~0#1| 8)} is VALID [2022-02-20 16:07:54,284 INFO L290 TraceCheckUtils]: 185: Hoare triple {37224#(<= |ULTIMATE.start_main_~this_expect~0#1| 8)} assume !(0 != main_#t~nondet38#1);havoc main_#t~nondet38#1;assume -2147483648 <= main_#t~nondet39#1 && main_#t~nondet39#1 <= 2147483647; {37224#(<= |ULTIMATE.start_main_~this_expect~0#1| 8)} is VALID [2022-02-20 16:07:54,285 INFO L290 TraceCheckUtils]: 186: Hoare triple {37224#(<= |ULTIMATE.start_main_~this_expect~0#1| 8)} assume !(0 != main_#t~nondet39#1);havoc main_#t~nondet39#1;assume -2147483648 <= main_#t~nondet40#1 && main_#t~nondet40#1 <= 2147483647; {37224#(<= |ULTIMATE.start_main_~this_expect~0#1| 8)} is VALID [2022-02-20 16:07:54,285 INFO L290 TraceCheckUtils]: 187: Hoare triple {37224#(<= |ULTIMATE.start_main_~this_expect~0#1| 8)} assume !(0 != main_#t~nondet40#1);havoc main_#t~nondet40#1;assume -2147483648 <= main_#t~nondet41#1 && main_#t~nondet41#1 <= 2147483647; {37224#(<= |ULTIMATE.start_main_~this_expect~0#1| 8)} is VALID [2022-02-20 16:07:54,285 INFO L290 TraceCheckUtils]: 188: Hoare triple {37224#(<= |ULTIMATE.start_main_~this_expect~0#1| 8)} assume !(0 != main_#t~nondet41#1);havoc main_#t~nondet41#1;assume -2147483648 <= main_#t~nondet42#1 && main_#t~nondet42#1 <= 2147483647; {37224#(<= |ULTIMATE.start_main_~this_expect~0#1| 8)} is VALID [2022-02-20 16:07:54,285 INFO L290 TraceCheckUtils]: 189: Hoare triple {37224#(<= |ULTIMATE.start_main_~this_expect~0#1| 8)} assume !(0 != main_#t~nondet42#1);havoc main_#t~nondet42#1;assume -2147483648 <= main_#t~nondet43#1 && main_#t~nondet43#1 <= 2147483647; {37224#(<= |ULTIMATE.start_main_~this_expect~0#1| 8)} is VALID [2022-02-20 16:07:54,286 INFO L290 TraceCheckUtils]: 190: Hoare triple {37224#(<= |ULTIMATE.start_main_~this_expect~0#1| 8)} assume 0 != main_#t~nondet43#1;havoc main_#t~nondet43#1; {37224#(<= |ULTIMATE.start_main_~this_expect~0#1| 8)} is VALID [2022-02-20 16:07:54,286 INFO L290 TraceCheckUtils]: 191: Hoare triple {37224#(<= |ULTIMATE.start_main_~this_expect~0#1| 8)} assume 0 != main_~P1~0#1 && !(1 != main_~P1~0#1 && 0 != main_~P1~0#1);main_~method_id~0#1 := 7; {37224#(<= |ULTIMATE.start_main_~this_expect~0#1| 8)} is VALID [2022-02-20 16:07:54,286 INFO L290 TraceCheckUtils]: 192: Hoare triple {37224#(<= |ULTIMATE.start_main_~this_expect~0#1| 8)} assume !(((1 == main_~this_buffer_empty~0#1 && 0 != main_~P9~0#1) && 0 != main_~P9~0#1 && !(1 != main_~P9~0#1 && 0 != main_~P9~0#1)) || (((main_~P9~0#1 != (if main_~this_expect~0#1 - 1 < 0 && 0 != (main_~this_expect~0#1 - 1) % 2 then (main_~this_expect~0#1 - 1) % 2 - 2 else (main_~this_expect~0#1 - 1) % 2) && 1 != main_~this_buffer_empty~0#1) && 0 != main_~P9~0#1) && 0 != main_~P9~0#1 && !(1 != main_~P9~0#1 && 0 != main_~P9~0#1)));main_~q~0#1 := 1;main_~this_expect~0#1 := main_~this_expect~0#1;main_~this_buffer_empty~0#1 := 1 - main_~this_buffer_empty~0#1; {37224#(<= |ULTIMATE.start_main_~this_expect~0#1| 8)} is VALID [2022-02-20 16:07:54,287 INFO L290 TraceCheckUtils]: 193: Hoare triple {37224#(<= |ULTIMATE.start_main_~this_expect~0#1| 8)} assume !false;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_~P1~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647;main_~P2~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647;main_~P3~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;assume -2147483648 <= main_#t~nondet7#1 && main_#t~nondet7#1 <= 2147483647;main_~P4~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;assume -2147483648 <= main_#t~nondet8#1 && main_#t~nondet8#1 <= 2147483647;main_~P5~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647;main_~P6~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1;assume -2147483648 <= main_#t~nondet10#1 && main_#t~nondet10#1 <= 2147483647;main_~P7~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;assume -2147483648 <= main_#t~nondet11#1 && main_#t~nondet11#1 <= 2147483647;main_~P8~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;assume -2147483648 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 2147483647;main_~P9~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; {37224#(<= |ULTIMATE.start_main_~this_expect~0#1| 8)} is VALID [2022-02-20 16:07:54,287 INFO L290 TraceCheckUtils]: 194: Hoare triple {37224#(<= |ULTIMATE.start_main_~this_expect~0#1| 8)} assume !(main_~this_expect~0#1 > 16); {37224#(<= |ULTIMATE.start_main_~this_expect~0#1| 8)} is VALID [2022-02-20 16:07:54,287 INFO L290 TraceCheckUtils]: 195: Hoare triple {37224#(<= |ULTIMATE.start_main_~this_expect~0#1| 8)} assume !(0 == main_~q~0#1); {37224#(<= |ULTIMATE.start_main_~this_expect~0#1| 8)} is VALID [2022-02-20 16:07:54,288 INFO L290 TraceCheckUtils]: 196: Hoare triple {37224#(<= |ULTIMATE.start_main_~this_expect~0#1| 8)} assume 1 == main_~q~0#1;assume -2147483648 <= main_#t~nondet14#1 && main_#t~nondet14#1 <= 2147483647; {37224#(<= |ULTIMATE.start_main_~this_expect~0#1| 8)} is VALID [2022-02-20 16:07:54,288 INFO L290 TraceCheckUtils]: 197: Hoare triple {37224#(<= |ULTIMATE.start_main_~this_expect~0#1| 8)} assume 0 != main_#t~nondet14#1;havoc main_#t~nondet14#1; {37224#(<= |ULTIMATE.start_main_~this_expect~0#1| 8)} is VALID [2022-02-20 16:07:54,288 INFO L290 TraceCheckUtils]: 198: Hoare triple {37224#(<= |ULTIMATE.start_main_~this_expect~0#1| 8)} assume !(0 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2));main_~method_id~0#1 := 2; {37224#(<= |ULTIMATE.start_main_~this_expect~0#1| 8)} is VALID [2022-02-20 16:07:54,289 INFO L290 TraceCheckUtils]: 199: Hoare triple {37224#(<= |ULTIMATE.start_main_~this_expect~0#1| 8)} assume !((((if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2) != (if main_~this_expect~0#1 < 0 && 0 != main_~this_expect~0#1 % 2 then main_~this_expect~0#1 % 2 - 2 else main_~this_expect~0#1 % 2) && 1 == main_~this_buffer_empty~0#1) && !(0 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2))) || (1 != main_~this_buffer_empty~0#1 && !(0 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2))));main_~q~0#1 := 3;main_~this_expect~0#1 := 1 + main_~this_expect~0#1;main_~this_buffer_empty~0#1 := 1 - main_~this_buffer_empty~0#1; {37225#(<= |ULTIMATE.start_main_~this_expect~0#1| 9)} is VALID [2022-02-20 16:07:54,289 INFO L290 TraceCheckUtils]: 200: Hoare triple {37225#(<= |ULTIMATE.start_main_~this_expect~0#1| 9)} assume !false;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_~P1~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647;main_~P2~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647;main_~P3~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;assume -2147483648 <= main_#t~nondet7#1 && main_#t~nondet7#1 <= 2147483647;main_~P4~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;assume -2147483648 <= main_#t~nondet8#1 && main_#t~nondet8#1 <= 2147483647;main_~P5~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647;main_~P6~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1;assume -2147483648 <= main_#t~nondet10#1 && main_#t~nondet10#1 <= 2147483647;main_~P7~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;assume -2147483648 <= main_#t~nondet11#1 && main_#t~nondet11#1 <= 2147483647;main_~P8~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;assume -2147483648 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 2147483647;main_~P9~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; {37225#(<= |ULTIMATE.start_main_~this_expect~0#1| 9)} is VALID [2022-02-20 16:07:54,289 INFO L290 TraceCheckUtils]: 201: Hoare triple {37225#(<= |ULTIMATE.start_main_~this_expect~0#1| 9)} assume !(main_~this_expect~0#1 > 16); {37225#(<= |ULTIMATE.start_main_~this_expect~0#1| 9)} is VALID [2022-02-20 16:07:54,290 INFO L290 TraceCheckUtils]: 202: Hoare triple {37225#(<= |ULTIMATE.start_main_~this_expect~0#1| 9)} assume !(0 == main_~q~0#1); {37225#(<= |ULTIMATE.start_main_~this_expect~0#1| 9)} is VALID [2022-02-20 16:07:54,290 INFO L290 TraceCheckUtils]: 203: Hoare triple {37225#(<= |ULTIMATE.start_main_~this_expect~0#1| 9)} assume !(1 == main_~q~0#1); {37225#(<= |ULTIMATE.start_main_~this_expect~0#1| 9)} is VALID [2022-02-20 16:07:54,290 INFO L290 TraceCheckUtils]: 204: Hoare triple {37225#(<= |ULTIMATE.start_main_~this_expect~0#1| 9)} assume !(2 == main_~q~0#1); {37225#(<= |ULTIMATE.start_main_~this_expect~0#1| 9)} is VALID [2022-02-20 16:07:54,290 INFO L290 TraceCheckUtils]: 205: Hoare triple {37225#(<= |ULTIMATE.start_main_~this_expect~0#1| 9)} assume 3 == main_~q~0#1;assume -2147483648 <= main_#t~nondet26#1 && main_#t~nondet26#1 <= 2147483647; {37225#(<= |ULTIMATE.start_main_~this_expect~0#1| 9)} is VALID [2022-02-20 16:07:54,291 INFO L290 TraceCheckUtils]: 206: Hoare triple {37225#(<= |ULTIMATE.start_main_~this_expect~0#1| 9)} assume !(0 != main_#t~nondet26#1);havoc main_#t~nondet26#1;assume -2147483648 <= main_#t~nondet27#1 && main_#t~nondet27#1 <= 2147483647; {37225#(<= |ULTIMATE.start_main_~this_expect~0#1| 9)} is VALID [2022-02-20 16:07:54,291 INFO L290 TraceCheckUtils]: 207: Hoare triple {37225#(<= |ULTIMATE.start_main_~this_expect~0#1| 9)} assume 0 != main_#t~nondet27#1;havoc main_#t~nondet27#1; {37225#(<= |ULTIMATE.start_main_~this_expect~0#1| 9)} is VALID [2022-02-20 16:07:54,291 INFO L290 TraceCheckUtils]: 208: Hoare triple {37225#(<= |ULTIMATE.start_main_~this_expect~0#1| 9)} assume !(0 != main_~P1~0#1);main_~method_id~0#1 := 3; {37225#(<= |ULTIMATE.start_main_~this_expect~0#1| 9)} is VALID [2022-02-20 16:07:54,292 INFO L290 TraceCheckUtils]: 209: Hoare triple {37225#(<= |ULTIMATE.start_main_~this_expect~0#1| 9)} assume !((1 == main_~this_buffer_empty~0#1 && !(0 != main_~P3~0#1)) || ((main_~P3~0#1 != (if main_~this_expect~0#1 - 1 < 0 && 0 != (main_~this_expect~0#1 - 1) % 2 then (main_~this_expect~0#1 - 1) % 2 - 2 else (main_~this_expect~0#1 - 1) % 2) && 1 != main_~this_buffer_empty~0#1) && !(0 != main_~P3~0#1)));main_~q~0#1 := 4;main_~this_expect~0#1 := main_~this_expect~0#1;main_~this_buffer_empty~0#1 := 1 - main_~this_buffer_empty~0#1; {37225#(<= |ULTIMATE.start_main_~this_expect~0#1| 9)} is VALID [2022-02-20 16:07:54,292 INFO L290 TraceCheckUtils]: 210: Hoare triple {37225#(<= |ULTIMATE.start_main_~this_expect~0#1| 9)} assume !false;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_~P1~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647;main_~P2~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647;main_~P3~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;assume -2147483648 <= main_#t~nondet7#1 && main_#t~nondet7#1 <= 2147483647;main_~P4~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;assume -2147483648 <= main_#t~nondet8#1 && main_#t~nondet8#1 <= 2147483647;main_~P5~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647;main_~P6~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1;assume -2147483648 <= main_#t~nondet10#1 && main_#t~nondet10#1 <= 2147483647;main_~P7~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;assume -2147483648 <= main_#t~nondet11#1 && main_#t~nondet11#1 <= 2147483647;main_~P8~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;assume -2147483648 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 2147483647;main_~P9~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; {37225#(<= |ULTIMATE.start_main_~this_expect~0#1| 9)} is VALID [2022-02-20 16:07:54,292 INFO L290 TraceCheckUtils]: 211: Hoare triple {37225#(<= |ULTIMATE.start_main_~this_expect~0#1| 9)} assume !(main_~this_expect~0#1 > 16); {37225#(<= |ULTIMATE.start_main_~this_expect~0#1| 9)} is VALID [2022-02-20 16:07:54,293 INFO L290 TraceCheckUtils]: 212: Hoare triple {37225#(<= |ULTIMATE.start_main_~this_expect~0#1| 9)} assume !(0 == main_~q~0#1); {37225#(<= |ULTIMATE.start_main_~this_expect~0#1| 9)} is VALID [2022-02-20 16:07:54,293 INFO L290 TraceCheckUtils]: 213: Hoare triple {37225#(<= |ULTIMATE.start_main_~this_expect~0#1| 9)} assume !(1 == main_~q~0#1); {37225#(<= |ULTIMATE.start_main_~this_expect~0#1| 9)} is VALID [2022-02-20 16:07:54,293 INFO L290 TraceCheckUtils]: 214: Hoare triple {37225#(<= |ULTIMATE.start_main_~this_expect~0#1| 9)} assume !(2 == main_~q~0#1); {37225#(<= |ULTIMATE.start_main_~this_expect~0#1| 9)} is VALID [2022-02-20 16:07:54,294 INFO L290 TraceCheckUtils]: 215: Hoare triple {37225#(<= |ULTIMATE.start_main_~this_expect~0#1| 9)} assume !(3 == main_~q~0#1); {37225#(<= |ULTIMATE.start_main_~this_expect~0#1| 9)} is VALID [2022-02-20 16:07:54,294 INFO L290 TraceCheckUtils]: 216: Hoare triple {37225#(<= |ULTIMATE.start_main_~this_expect~0#1| 9)} assume 4 == main_~q~0#1;assume -2147483648 <= main_#t~nondet32#1 && main_#t~nondet32#1 <= 2147483647; {37225#(<= |ULTIMATE.start_main_~this_expect~0#1| 9)} is VALID [2022-02-20 16:07:54,294 INFO L290 TraceCheckUtils]: 217: Hoare triple {37225#(<= |ULTIMATE.start_main_~this_expect~0#1| 9)} assume !(0 != main_#t~nondet32#1);havoc main_#t~nondet32#1;assume -2147483648 <= main_#t~nondet33#1 && main_#t~nondet33#1 <= 2147483647; {37225#(<= |ULTIMATE.start_main_~this_expect~0#1| 9)} is VALID [2022-02-20 16:07:54,295 INFO L290 TraceCheckUtils]: 218: Hoare triple {37225#(<= |ULTIMATE.start_main_~this_expect~0#1| 9)} assume !(0 != main_#t~nondet33#1);havoc main_#t~nondet33#1;assume -2147483648 <= main_#t~nondet34#1 && main_#t~nondet34#1 <= 2147483647; {37225#(<= |ULTIMATE.start_main_~this_expect~0#1| 9)} is VALID [2022-02-20 16:07:54,295 INFO L290 TraceCheckUtils]: 219: Hoare triple {37225#(<= |ULTIMATE.start_main_~this_expect~0#1| 9)} assume !(0 != main_#t~nondet34#1);havoc main_#t~nondet34#1;assume -2147483648 <= main_#t~nondet35#1 && main_#t~nondet35#1 <= 2147483647; {37225#(<= |ULTIMATE.start_main_~this_expect~0#1| 9)} is VALID [2022-02-20 16:07:54,295 INFO L290 TraceCheckUtils]: 220: Hoare triple {37225#(<= |ULTIMATE.start_main_~this_expect~0#1| 9)} assume 0 != main_#t~nondet35#1;havoc main_#t~nondet35#1; {37225#(<= |ULTIMATE.start_main_~this_expect~0#1| 9)} is VALID [2022-02-20 16:07:54,296 INFO L290 TraceCheckUtils]: 221: Hoare triple {37225#(<= |ULTIMATE.start_main_~this_expect~0#1| 9)} assume 0 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2) && !(1 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2) && 0 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2));main_~method_id~0#1 := 5; {37225#(<= |ULTIMATE.start_main_~this_expect~0#1| 9)} is VALID [2022-02-20 16:07:54,296 INFO L290 TraceCheckUtils]: 222: Hoare triple {37225#(<= |ULTIMATE.start_main_~this_expect~0#1| 9)} assume !(((((if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2) != (if main_~this_expect~0#1 < 0 && 0 != main_~this_expect~0#1 % 2 then main_~this_expect~0#1 % 2 - 2 else main_~this_expect~0#1 % 2) && 1 == main_~this_buffer_empty~0#1) && 0 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2)) && 0 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2) && !(1 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2) && 0 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2))) || ((1 != main_~this_buffer_empty~0#1 && 0 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2)) && 0 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2) && !(1 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2) && 0 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2))));main_~q~0#1 := 5;main_~this_expect~0#1 := 1 + main_~this_expect~0#1;main_~this_buffer_empty~0#1 := 1 - main_~this_buffer_empty~0#1; {37226#(<= |ULTIMATE.start_main_~this_expect~0#1| 10)} is VALID [2022-02-20 16:07:54,297 INFO L290 TraceCheckUtils]: 223: Hoare triple {37226#(<= |ULTIMATE.start_main_~this_expect~0#1| 10)} assume !false;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_~P1~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647;main_~P2~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647;main_~P3~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;assume -2147483648 <= main_#t~nondet7#1 && main_#t~nondet7#1 <= 2147483647;main_~P4~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;assume -2147483648 <= main_#t~nondet8#1 && main_#t~nondet8#1 <= 2147483647;main_~P5~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647;main_~P6~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1;assume -2147483648 <= main_#t~nondet10#1 && main_#t~nondet10#1 <= 2147483647;main_~P7~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;assume -2147483648 <= main_#t~nondet11#1 && main_#t~nondet11#1 <= 2147483647;main_~P8~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;assume -2147483648 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 2147483647;main_~P9~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; {37226#(<= |ULTIMATE.start_main_~this_expect~0#1| 10)} is VALID [2022-02-20 16:07:54,297 INFO L290 TraceCheckUtils]: 224: Hoare triple {37226#(<= |ULTIMATE.start_main_~this_expect~0#1| 10)} assume !(main_~this_expect~0#1 > 16); {37226#(<= |ULTIMATE.start_main_~this_expect~0#1| 10)} is VALID [2022-02-20 16:07:54,297 INFO L290 TraceCheckUtils]: 225: Hoare triple {37226#(<= |ULTIMATE.start_main_~this_expect~0#1| 10)} assume !(0 == main_~q~0#1); {37226#(<= |ULTIMATE.start_main_~this_expect~0#1| 10)} is VALID [2022-02-20 16:07:54,298 INFO L290 TraceCheckUtils]: 226: Hoare triple {37226#(<= |ULTIMATE.start_main_~this_expect~0#1| 10)} assume !(1 == main_~q~0#1); {37226#(<= |ULTIMATE.start_main_~this_expect~0#1| 10)} is VALID [2022-02-20 16:07:54,298 INFO L290 TraceCheckUtils]: 227: Hoare triple {37226#(<= |ULTIMATE.start_main_~this_expect~0#1| 10)} assume !(2 == main_~q~0#1); {37226#(<= |ULTIMATE.start_main_~this_expect~0#1| 10)} is VALID [2022-02-20 16:07:54,298 INFO L290 TraceCheckUtils]: 228: Hoare triple {37226#(<= |ULTIMATE.start_main_~this_expect~0#1| 10)} assume !(3 == main_~q~0#1); {37226#(<= |ULTIMATE.start_main_~this_expect~0#1| 10)} is VALID [2022-02-20 16:07:54,299 INFO L290 TraceCheckUtils]: 229: Hoare triple {37226#(<= |ULTIMATE.start_main_~this_expect~0#1| 10)} assume !(4 == main_~q~0#1); {37226#(<= |ULTIMATE.start_main_~this_expect~0#1| 10)} is VALID [2022-02-20 16:07:54,299 INFO L290 TraceCheckUtils]: 230: Hoare triple {37226#(<= |ULTIMATE.start_main_~this_expect~0#1| 10)} assume 5 == main_~q~0#1;assume -2147483648 <= main_#t~nondet38#1 && main_#t~nondet38#1 <= 2147483647; {37226#(<= |ULTIMATE.start_main_~this_expect~0#1| 10)} is VALID [2022-02-20 16:07:54,299 INFO L290 TraceCheckUtils]: 231: Hoare triple {37226#(<= |ULTIMATE.start_main_~this_expect~0#1| 10)} assume !(0 != main_#t~nondet38#1);havoc main_#t~nondet38#1;assume -2147483648 <= main_#t~nondet39#1 && main_#t~nondet39#1 <= 2147483647; {37226#(<= |ULTIMATE.start_main_~this_expect~0#1| 10)} is VALID [2022-02-20 16:07:54,300 INFO L290 TraceCheckUtils]: 232: Hoare triple {37226#(<= |ULTIMATE.start_main_~this_expect~0#1| 10)} assume !(0 != main_#t~nondet39#1);havoc main_#t~nondet39#1;assume -2147483648 <= main_#t~nondet40#1 && main_#t~nondet40#1 <= 2147483647; {37226#(<= |ULTIMATE.start_main_~this_expect~0#1| 10)} is VALID [2022-02-20 16:07:54,300 INFO L290 TraceCheckUtils]: 233: Hoare triple {37226#(<= |ULTIMATE.start_main_~this_expect~0#1| 10)} assume !(0 != main_#t~nondet40#1);havoc main_#t~nondet40#1;assume -2147483648 <= main_#t~nondet41#1 && main_#t~nondet41#1 <= 2147483647; {37226#(<= |ULTIMATE.start_main_~this_expect~0#1| 10)} is VALID [2022-02-20 16:07:54,300 INFO L290 TraceCheckUtils]: 234: Hoare triple {37226#(<= |ULTIMATE.start_main_~this_expect~0#1| 10)} assume !(0 != main_#t~nondet41#1);havoc main_#t~nondet41#1;assume -2147483648 <= main_#t~nondet42#1 && main_#t~nondet42#1 <= 2147483647; {37226#(<= |ULTIMATE.start_main_~this_expect~0#1| 10)} is VALID [2022-02-20 16:07:54,301 INFO L290 TraceCheckUtils]: 235: Hoare triple {37226#(<= |ULTIMATE.start_main_~this_expect~0#1| 10)} assume !(0 != main_#t~nondet42#1);havoc main_#t~nondet42#1;assume -2147483648 <= main_#t~nondet43#1 && main_#t~nondet43#1 <= 2147483647; {37226#(<= |ULTIMATE.start_main_~this_expect~0#1| 10)} is VALID [2022-02-20 16:07:54,301 INFO L290 TraceCheckUtils]: 236: Hoare triple {37226#(<= |ULTIMATE.start_main_~this_expect~0#1| 10)} assume 0 != main_#t~nondet43#1;havoc main_#t~nondet43#1; {37226#(<= |ULTIMATE.start_main_~this_expect~0#1| 10)} is VALID [2022-02-20 16:07:54,301 INFO L290 TraceCheckUtils]: 237: Hoare triple {37226#(<= |ULTIMATE.start_main_~this_expect~0#1| 10)} assume 0 != main_~P1~0#1 && !(1 != main_~P1~0#1 && 0 != main_~P1~0#1);main_~method_id~0#1 := 7; {37226#(<= |ULTIMATE.start_main_~this_expect~0#1| 10)} is VALID [2022-02-20 16:07:54,302 INFO L290 TraceCheckUtils]: 238: Hoare triple {37226#(<= |ULTIMATE.start_main_~this_expect~0#1| 10)} assume !(((1 == main_~this_buffer_empty~0#1 && 0 != main_~P9~0#1) && 0 != main_~P9~0#1 && !(1 != main_~P9~0#1 && 0 != main_~P9~0#1)) || (((main_~P9~0#1 != (if main_~this_expect~0#1 - 1 < 0 && 0 != (main_~this_expect~0#1 - 1) % 2 then (main_~this_expect~0#1 - 1) % 2 - 2 else (main_~this_expect~0#1 - 1) % 2) && 1 != main_~this_buffer_empty~0#1) && 0 != main_~P9~0#1) && 0 != main_~P9~0#1 && !(1 != main_~P9~0#1 && 0 != main_~P9~0#1)));main_~q~0#1 := 1;main_~this_expect~0#1 := main_~this_expect~0#1;main_~this_buffer_empty~0#1 := 1 - main_~this_buffer_empty~0#1; {37226#(<= |ULTIMATE.start_main_~this_expect~0#1| 10)} is VALID [2022-02-20 16:07:54,302 INFO L290 TraceCheckUtils]: 239: Hoare triple {37226#(<= |ULTIMATE.start_main_~this_expect~0#1| 10)} assume !false;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_~P1~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647;main_~P2~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647;main_~P3~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;assume -2147483648 <= main_#t~nondet7#1 && main_#t~nondet7#1 <= 2147483647;main_~P4~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;assume -2147483648 <= main_#t~nondet8#1 && main_#t~nondet8#1 <= 2147483647;main_~P5~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647;main_~P6~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1;assume -2147483648 <= main_#t~nondet10#1 && main_#t~nondet10#1 <= 2147483647;main_~P7~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;assume -2147483648 <= main_#t~nondet11#1 && main_#t~nondet11#1 <= 2147483647;main_~P8~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;assume -2147483648 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 2147483647;main_~P9~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; {37226#(<= |ULTIMATE.start_main_~this_expect~0#1| 10)} is VALID [2022-02-20 16:07:54,302 INFO L290 TraceCheckUtils]: 240: Hoare triple {37226#(<= |ULTIMATE.start_main_~this_expect~0#1| 10)} assume !(main_~this_expect~0#1 > 16); {37226#(<= |ULTIMATE.start_main_~this_expect~0#1| 10)} is VALID [2022-02-20 16:07:54,303 INFO L290 TraceCheckUtils]: 241: Hoare triple {37226#(<= |ULTIMATE.start_main_~this_expect~0#1| 10)} assume !(0 == main_~q~0#1); {37226#(<= |ULTIMATE.start_main_~this_expect~0#1| 10)} is VALID [2022-02-20 16:07:54,303 INFO L290 TraceCheckUtils]: 242: Hoare triple {37226#(<= |ULTIMATE.start_main_~this_expect~0#1| 10)} assume 1 == main_~q~0#1;assume -2147483648 <= main_#t~nondet14#1 && main_#t~nondet14#1 <= 2147483647; {37226#(<= |ULTIMATE.start_main_~this_expect~0#1| 10)} is VALID [2022-02-20 16:07:54,303 INFO L290 TraceCheckUtils]: 243: Hoare triple {37226#(<= |ULTIMATE.start_main_~this_expect~0#1| 10)} assume 0 != main_#t~nondet14#1;havoc main_#t~nondet14#1; {37226#(<= |ULTIMATE.start_main_~this_expect~0#1| 10)} is VALID [2022-02-20 16:07:54,304 INFO L290 TraceCheckUtils]: 244: Hoare triple {37226#(<= |ULTIMATE.start_main_~this_expect~0#1| 10)} assume !(0 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2));main_~method_id~0#1 := 2; {37226#(<= |ULTIMATE.start_main_~this_expect~0#1| 10)} is VALID [2022-02-20 16:07:54,304 INFO L290 TraceCheckUtils]: 245: Hoare triple {37226#(<= |ULTIMATE.start_main_~this_expect~0#1| 10)} assume !((((if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2) != (if main_~this_expect~0#1 < 0 && 0 != main_~this_expect~0#1 % 2 then main_~this_expect~0#1 % 2 - 2 else main_~this_expect~0#1 % 2) && 1 == main_~this_buffer_empty~0#1) && !(0 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2))) || (1 != main_~this_buffer_empty~0#1 && !(0 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2))));main_~q~0#1 := 3;main_~this_expect~0#1 := 1 + main_~this_expect~0#1;main_~this_buffer_empty~0#1 := 1 - main_~this_buffer_empty~0#1; {37227#(<= |ULTIMATE.start_main_~this_expect~0#1| 11)} is VALID [2022-02-20 16:07:54,305 INFO L290 TraceCheckUtils]: 246: Hoare triple {37227#(<= |ULTIMATE.start_main_~this_expect~0#1| 11)} assume !false;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_~P1~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647;main_~P2~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647;main_~P3~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;assume -2147483648 <= main_#t~nondet7#1 && main_#t~nondet7#1 <= 2147483647;main_~P4~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;assume -2147483648 <= main_#t~nondet8#1 && main_#t~nondet8#1 <= 2147483647;main_~P5~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647;main_~P6~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1;assume -2147483648 <= main_#t~nondet10#1 && main_#t~nondet10#1 <= 2147483647;main_~P7~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;assume -2147483648 <= main_#t~nondet11#1 && main_#t~nondet11#1 <= 2147483647;main_~P8~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;assume -2147483648 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 2147483647;main_~P9~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; {37227#(<= |ULTIMATE.start_main_~this_expect~0#1| 11)} is VALID [2022-02-20 16:07:54,305 INFO L290 TraceCheckUtils]: 247: Hoare triple {37227#(<= |ULTIMATE.start_main_~this_expect~0#1| 11)} assume !(main_~this_expect~0#1 > 16); {37227#(<= |ULTIMATE.start_main_~this_expect~0#1| 11)} is VALID [2022-02-20 16:07:54,305 INFO L290 TraceCheckUtils]: 248: Hoare triple {37227#(<= |ULTIMATE.start_main_~this_expect~0#1| 11)} assume !(0 == main_~q~0#1); {37227#(<= |ULTIMATE.start_main_~this_expect~0#1| 11)} is VALID [2022-02-20 16:07:54,306 INFO L290 TraceCheckUtils]: 249: Hoare triple {37227#(<= |ULTIMATE.start_main_~this_expect~0#1| 11)} assume !(1 == main_~q~0#1); {37227#(<= |ULTIMATE.start_main_~this_expect~0#1| 11)} is VALID [2022-02-20 16:07:54,306 INFO L290 TraceCheckUtils]: 250: Hoare triple {37227#(<= |ULTIMATE.start_main_~this_expect~0#1| 11)} assume !(2 == main_~q~0#1); {37227#(<= |ULTIMATE.start_main_~this_expect~0#1| 11)} is VALID [2022-02-20 16:07:54,306 INFO L290 TraceCheckUtils]: 251: Hoare triple {37227#(<= |ULTIMATE.start_main_~this_expect~0#1| 11)} assume 3 == main_~q~0#1;assume -2147483648 <= main_#t~nondet26#1 && main_#t~nondet26#1 <= 2147483647; {37227#(<= |ULTIMATE.start_main_~this_expect~0#1| 11)} is VALID [2022-02-20 16:07:54,307 INFO L290 TraceCheckUtils]: 252: Hoare triple {37227#(<= |ULTIMATE.start_main_~this_expect~0#1| 11)} assume !(0 != main_#t~nondet26#1);havoc main_#t~nondet26#1;assume -2147483648 <= main_#t~nondet27#1 && main_#t~nondet27#1 <= 2147483647; {37227#(<= |ULTIMATE.start_main_~this_expect~0#1| 11)} is VALID [2022-02-20 16:07:54,307 INFO L290 TraceCheckUtils]: 253: Hoare triple {37227#(<= |ULTIMATE.start_main_~this_expect~0#1| 11)} assume 0 != main_#t~nondet27#1;havoc main_#t~nondet27#1; {37227#(<= |ULTIMATE.start_main_~this_expect~0#1| 11)} is VALID [2022-02-20 16:07:54,307 INFO L290 TraceCheckUtils]: 254: Hoare triple {37227#(<= |ULTIMATE.start_main_~this_expect~0#1| 11)} assume !(0 != main_~P1~0#1);main_~method_id~0#1 := 3; {37227#(<= |ULTIMATE.start_main_~this_expect~0#1| 11)} is VALID [2022-02-20 16:07:54,308 INFO L290 TraceCheckUtils]: 255: Hoare triple {37227#(<= |ULTIMATE.start_main_~this_expect~0#1| 11)} assume !((1 == main_~this_buffer_empty~0#1 && !(0 != main_~P3~0#1)) || ((main_~P3~0#1 != (if main_~this_expect~0#1 - 1 < 0 && 0 != (main_~this_expect~0#1 - 1) % 2 then (main_~this_expect~0#1 - 1) % 2 - 2 else (main_~this_expect~0#1 - 1) % 2) && 1 != main_~this_buffer_empty~0#1) && !(0 != main_~P3~0#1)));main_~q~0#1 := 4;main_~this_expect~0#1 := main_~this_expect~0#1;main_~this_buffer_empty~0#1 := 1 - main_~this_buffer_empty~0#1; {37227#(<= |ULTIMATE.start_main_~this_expect~0#1| 11)} is VALID [2022-02-20 16:07:54,308 INFO L290 TraceCheckUtils]: 256: Hoare triple {37227#(<= |ULTIMATE.start_main_~this_expect~0#1| 11)} assume !false;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_~P1~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647;main_~P2~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647;main_~P3~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;assume -2147483648 <= main_#t~nondet7#1 && main_#t~nondet7#1 <= 2147483647;main_~P4~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;assume -2147483648 <= main_#t~nondet8#1 && main_#t~nondet8#1 <= 2147483647;main_~P5~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647;main_~P6~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1;assume -2147483648 <= main_#t~nondet10#1 && main_#t~nondet10#1 <= 2147483647;main_~P7~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;assume -2147483648 <= main_#t~nondet11#1 && main_#t~nondet11#1 <= 2147483647;main_~P8~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;assume -2147483648 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 2147483647;main_~P9~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; {37227#(<= |ULTIMATE.start_main_~this_expect~0#1| 11)} is VALID [2022-02-20 16:07:54,308 INFO L290 TraceCheckUtils]: 257: Hoare triple {37227#(<= |ULTIMATE.start_main_~this_expect~0#1| 11)} assume !(main_~this_expect~0#1 > 16); {37227#(<= |ULTIMATE.start_main_~this_expect~0#1| 11)} is VALID [2022-02-20 16:07:54,309 INFO L290 TraceCheckUtils]: 258: Hoare triple {37227#(<= |ULTIMATE.start_main_~this_expect~0#1| 11)} assume !(0 == main_~q~0#1); {37227#(<= |ULTIMATE.start_main_~this_expect~0#1| 11)} is VALID [2022-02-20 16:07:54,309 INFO L290 TraceCheckUtils]: 259: Hoare triple {37227#(<= |ULTIMATE.start_main_~this_expect~0#1| 11)} assume !(1 == main_~q~0#1); {37227#(<= |ULTIMATE.start_main_~this_expect~0#1| 11)} is VALID [2022-02-20 16:07:54,309 INFO L290 TraceCheckUtils]: 260: Hoare triple {37227#(<= |ULTIMATE.start_main_~this_expect~0#1| 11)} assume !(2 == main_~q~0#1); {37227#(<= |ULTIMATE.start_main_~this_expect~0#1| 11)} is VALID [2022-02-20 16:07:54,310 INFO L290 TraceCheckUtils]: 261: Hoare triple {37227#(<= |ULTIMATE.start_main_~this_expect~0#1| 11)} assume !(3 == main_~q~0#1); {37227#(<= |ULTIMATE.start_main_~this_expect~0#1| 11)} is VALID [2022-02-20 16:07:54,310 INFO L290 TraceCheckUtils]: 262: Hoare triple {37227#(<= |ULTIMATE.start_main_~this_expect~0#1| 11)} assume 4 == main_~q~0#1;assume -2147483648 <= main_#t~nondet32#1 && main_#t~nondet32#1 <= 2147483647; {37227#(<= |ULTIMATE.start_main_~this_expect~0#1| 11)} is VALID [2022-02-20 16:07:54,310 INFO L290 TraceCheckUtils]: 263: Hoare triple {37227#(<= |ULTIMATE.start_main_~this_expect~0#1| 11)} assume !(0 != main_#t~nondet32#1);havoc main_#t~nondet32#1;assume -2147483648 <= main_#t~nondet33#1 && main_#t~nondet33#1 <= 2147483647; {37227#(<= |ULTIMATE.start_main_~this_expect~0#1| 11)} is VALID [2022-02-20 16:07:54,311 INFO L290 TraceCheckUtils]: 264: Hoare triple {37227#(<= |ULTIMATE.start_main_~this_expect~0#1| 11)} assume !(0 != main_#t~nondet33#1);havoc main_#t~nondet33#1;assume -2147483648 <= main_#t~nondet34#1 && main_#t~nondet34#1 <= 2147483647; {37227#(<= |ULTIMATE.start_main_~this_expect~0#1| 11)} is VALID [2022-02-20 16:07:54,311 INFO L290 TraceCheckUtils]: 265: Hoare triple {37227#(<= |ULTIMATE.start_main_~this_expect~0#1| 11)} assume !(0 != main_#t~nondet34#1);havoc main_#t~nondet34#1;assume -2147483648 <= main_#t~nondet35#1 && main_#t~nondet35#1 <= 2147483647; {37227#(<= |ULTIMATE.start_main_~this_expect~0#1| 11)} is VALID [2022-02-20 16:07:54,311 INFO L290 TraceCheckUtils]: 266: Hoare triple {37227#(<= |ULTIMATE.start_main_~this_expect~0#1| 11)} assume 0 != main_#t~nondet35#1;havoc main_#t~nondet35#1; {37227#(<= |ULTIMATE.start_main_~this_expect~0#1| 11)} is VALID [2022-02-20 16:07:54,312 INFO L290 TraceCheckUtils]: 267: Hoare triple {37227#(<= |ULTIMATE.start_main_~this_expect~0#1| 11)} assume 0 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2) && !(1 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2) && 0 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2));main_~method_id~0#1 := 5; {37227#(<= |ULTIMATE.start_main_~this_expect~0#1| 11)} is VALID [2022-02-20 16:07:54,312 INFO L290 TraceCheckUtils]: 268: Hoare triple {37227#(<= |ULTIMATE.start_main_~this_expect~0#1| 11)} assume !(((((if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2) != (if main_~this_expect~0#1 < 0 && 0 != main_~this_expect~0#1 % 2 then main_~this_expect~0#1 % 2 - 2 else main_~this_expect~0#1 % 2) && 1 == main_~this_buffer_empty~0#1) && 0 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2)) && 0 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2) && !(1 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2) && 0 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2))) || ((1 != main_~this_buffer_empty~0#1 && 0 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2)) && 0 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2) && !(1 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2) && 0 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2))));main_~q~0#1 := 5;main_~this_expect~0#1 := 1 + main_~this_expect~0#1;main_~this_buffer_empty~0#1 := 1 - main_~this_buffer_empty~0#1; {37228#(<= |ULTIMATE.start_main_~this_expect~0#1| 12)} is VALID [2022-02-20 16:07:54,313 INFO L290 TraceCheckUtils]: 269: Hoare triple {37228#(<= |ULTIMATE.start_main_~this_expect~0#1| 12)} assume !false;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_~P1~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647;main_~P2~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647;main_~P3~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;assume -2147483648 <= main_#t~nondet7#1 && main_#t~nondet7#1 <= 2147483647;main_~P4~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;assume -2147483648 <= main_#t~nondet8#1 && main_#t~nondet8#1 <= 2147483647;main_~P5~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647;main_~P6~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1;assume -2147483648 <= main_#t~nondet10#1 && main_#t~nondet10#1 <= 2147483647;main_~P7~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;assume -2147483648 <= main_#t~nondet11#1 && main_#t~nondet11#1 <= 2147483647;main_~P8~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;assume -2147483648 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 2147483647;main_~P9~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; {37228#(<= |ULTIMATE.start_main_~this_expect~0#1| 12)} is VALID [2022-02-20 16:07:54,313 INFO L290 TraceCheckUtils]: 270: Hoare triple {37228#(<= |ULTIMATE.start_main_~this_expect~0#1| 12)} assume !(main_~this_expect~0#1 > 16); {37228#(<= |ULTIMATE.start_main_~this_expect~0#1| 12)} is VALID [2022-02-20 16:07:54,313 INFO L290 TraceCheckUtils]: 271: Hoare triple {37228#(<= |ULTIMATE.start_main_~this_expect~0#1| 12)} assume !(0 == main_~q~0#1); {37228#(<= |ULTIMATE.start_main_~this_expect~0#1| 12)} is VALID [2022-02-20 16:07:54,314 INFO L290 TraceCheckUtils]: 272: Hoare triple {37228#(<= |ULTIMATE.start_main_~this_expect~0#1| 12)} assume !(1 == main_~q~0#1); {37228#(<= |ULTIMATE.start_main_~this_expect~0#1| 12)} is VALID [2022-02-20 16:07:54,314 INFO L290 TraceCheckUtils]: 273: Hoare triple {37228#(<= |ULTIMATE.start_main_~this_expect~0#1| 12)} assume !(2 == main_~q~0#1); {37228#(<= |ULTIMATE.start_main_~this_expect~0#1| 12)} is VALID [2022-02-20 16:07:54,314 INFO L290 TraceCheckUtils]: 274: Hoare triple {37228#(<= |ULTIMATE.start_main_~this_expect~0#1| 12)} assume !(3 == main_~q~0#1); {37228#(<= |ULTIMATE.start_main_~this_expect~0#1| 12)} is VALID [2022-02-20 16:07:54,315 INFO L290 TraceCheckUtils]: 275: Hoare triple {37228#(<= |ULTIMATE.start_main_~this_expect~0#1| 12)} assume !(4 == main_~q~0#1); {37228#(<= |ULTIMATE.start_main_~this_expect~0#1| 12)} is VALID [2022-02-20 16:07:54,315 INFO L290 TraceCheckUtils]: 276: Hoare triple {37228#(<= |ULTIMATE.start_main_~this_expect~0#1| 12)} assume 5 == main_~q~0#1;assume -2147483648 <= main_#t~nondet38#1 && main_#t~nondet38#1 <= 2147483647; {37228#(<= |ULTIMATE.start_main_~this_expect~0#1| 12)} is VALID [2022-02-20 16:07:54,315 INFO L290 TraceCheckUtils]: 277: Hoare triple {37228#(<= |ULTIMATE.start_main_~this_expect~0#1| 12)} assume !(0 != main_#t~nondet38#1);havoc main_#t~nondet38#1;assume -2147483648 <= main_#t~nondet39#1 && main_#t~nondet39#1 <= 2147483647; {37228#(<= |ULTIMATE.start_main_~this_expect~0#1| 12)} is VALID [2022-02-20 16:07:54,315 INFO L290 TraceCheckUtils]: 278: Hoare triple {37228#(<= |ULTIMATE.start_main_~this_expect~0#1| 12)} assume !(0 != main_#t~nondet39#1);havoc main_#t~nondet39#1;assume -2147483648 <= main_#t~nondet40#1 && main_#t~nondet40#1 <= 2147483647; {37228#(<= |ULTIMATE.start_main_~this_expect~0#1| 12)} is VALID [2022-02-20 16:07:54,316 INFO L290 TraceCheckUtils]: 279: Hoare triple {37228#(<= |ULTIMATE.start_main_~this_expect~0#1| 12)} assume !(0 != main_#t~nondet40#1);havoc main_#t~nondet40#1;assume -2147483648 <= main_#t~nondet41#1 && main_#t~nondet41#1 <= 2147483647; {37228#(<= |ULTIMATE.start_main_~this_expect~0#1| 12)} is VALID [2022-02-20 16:07:54,316 INFO L290 TraceCheckUtils]: 280: Hoare triple {37228#(<= |ULTIMATE.start_main_~this_expect~0#1| 12)} assume !(0 != main_#t~nondet41#1);havoc main_#t~nondet41#1;assume -2147483648 <= main_#t~nondet42#1 && main_#t~nondet42#1 <= 2147483647; {37228#(<= |ULTIMATE.start_main_~this_expect~0#1| 12)} is VALID [2022-02-20 16:07:54,316 INFO L290 TraceCheckUtils]: 281: Hoare triple {37228#(<= |ULTIMATE.start_main_~this_expect~0#1| 12)} assume !(0 != main_#t~nondet42#1);havoc main_#t~nondet42#1;assume -2147483648 <= main_#t~nondet43#1 && main_#t~nondet43#1 <= 2147483647; {37228#(<= |ULTIMATE.start_main_~this_expect~0#1| 12)} is VALID [2022-02-20 16:07:54,317 INFO L290 TraceCheckUtils]: 282: Hoare triple {37228#(<= |ULTIMATE.start_main_~this_expect~0#1| 12)} assume 0 != main_#t~nondet43#1;havoc main_#t~nondet43#1; {37228#(<= |ULTIMATE.start_main_~this_expect~0#1| 12)} is VALID [2022-02-20 16:07:54,317 INFO L290 TraceCheckUtils]: 283: Hoare triple {37228#(<= |ULTIMATE.start_main_~this_expect~0#1| 12)} assume 0 != main_~P1~0#1 && !(1 != main_~P1~0#1 && 0 != main_~P1~0#1);main_~method_id~0#1 := 7; {37228#(<= |ULTIMATE.start_main_~this_expect~0#1| 12)} is VALID [2022-02-20 16:07:54,317 INFO L290 TraceCheckUtils]: 284: Hoare triple {37228#(<= |ULTIMATE.start_main_~this_expect~0#1| 12)} assume !(((1 == main_~this_buffer_empty~0#1 && 0 != main_~P9~0#1) && 0 != main_~P9~0#1 && !(1 != main_~P9~0#1 && 0 != main_~P9~0#1)) || (((main_~P9~0#1 != (if main_~this_expect~0#1 - 1 < 0 && 0 != (main_~this_expect~0#1 - 1) % 2 then (main_~this_expect~0#1 - 1) % 2 - 2 else (main_~this_expect~0#1 - 1) % 2) && 1 != main_~this_buffer_empty~0#1) && 0 != main_~P9~0#1) && 0 != main_~P9~0#1 && !(1 != main_~P9~0#1 && 0 != main_~P9~0#1)));main_~q~0#1 := 1;main_~this_expect~0#1 := main_~this_expect~0#1;main_~this_buffer_empty~0#1 := 1 - main_~this_buffer_empty~0#1; {37228#(<= |ULTIMATE.start_main_~this_expect~0#1| 12)} is VALID [2022-02-20 16:07:54,318 INFO L290 TraceCheckUtils]: 285: Hoare triple {37228#(<= |ULTIMATE.start_main_~this_expect~0#1| 12)} assume !false;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_~P1~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647;main_~P2~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647;main_~P3~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;assume -2147483648 <= main_#t~nondet7#1 && main_#t~nondet7#1 <= 2147483647;main_~P4~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;assume -2147483648 <= main_#t~nondet8#1 && main_#t~nondet8#1 <= 2147483647;main_~P5~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647;main_~P6~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1;assume -2147483648 <= main_#t~nondet10#1 && main_#t~nondet10#1 <= 2147483647;main_~P7~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;assume -2147483648 <= main_#t~nondet11#1 && main_#t~nondet11#1 <= 2147483647;main_~P8~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;assume -2147483648 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 2147483647;main_~P9~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; {37228#(<= |ULTIMATE.start_main_~this_expect~0#1| 12)} is VALID [2022-02-20 16:07:54,318 INFO L290 TraceCheckUtils]: 286: Hoare triple {37228#(<= |ULTIMATE.start_main_~this_expect~0#1| 12)} assume !(main_~this_expect~0#1 > 16); {37228#(<= |ULTIMATE.start_main_~this_expect~0#1| 12)} is VALID [2022-02-20 16:07:54,318 INFO L290 TraceCheckUtils]: 287: Hoare triple {37228#(<= |ULTIMATE.start_main_~this_expect~0#1| 12)} assume !(0 == main_~q~0#1); {37228#(<= |ULTIMATE.start_main_~this_expect~0#1| 12)} is VALID [2022-02-20 16:07:54,319 INFO L290 TraceCheckUtils]: 288: Hoare triple {37228#(<= |ULTIMATE.start_main_~this_expect~0#1| 12)} assume 1 == main_~q~0#1;assume -2147483648 <= main_#t~nondet14#1 && main_#t~nondet14#1 <= 2147483647; {37228#(<= |ULTIMATE.start_main_~this_expect~0#1| 12)} is VALID [2022-02-20 16:07:54,319 INFO L290 TraceCheckUtils]: 289: Hoare triple {37228#(<= |ULTIMATE.start_main_~this_expect~0#1| 12)} assume 0 != main_#t~nondet14#1;havoc main_#t~nondet14#1; {37228#(<= |ULTIMATE.start_main_~this_expect~0#1| 12)} is VALID [2022-02-20 16:07:54,319 INFO L290 TraceCheckUtils]: 290: Hoare triple {37228#(<= |ULTIMATE.start_main_~this_expect~0#1| 12)} assume !(0 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2));main_~method_id~0#1 := 2; {37228#(<= |ULTIMATE.start_main_~this_expect~0#1| 12)} is VALID [2022-02-20 16:07:54,320 INFO L290 TraceCheckUtils]: 291: Hoare triple {37228#(<= |ULTIMATE.start_main_~this_expect~0#1| 12)} assume !((((if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2) != (if main_~this_expect~0#1 < 0 && 0 != main_~this_expect~0#1 % 2 then main_~this_expect~0#1 % 2 - 2 else main_~this_expect~0#1 % 2) && 1 == main_~this_buffer_empty~0#1) && !(0 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2))) || (1 != main_~this_buffer_empty~0#1 && !(0 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2))));main_~q~0#1 := 3;main_~this_expect~0#1 := 1 + main_~this_expect~0#1;main_~this_buffer_empty~0#1 := 1 - main_~this_buffer_empty~0#1; {37229#(<= |ULTIMATE.start_main_~this_expect~0#1| 13)} is VALID [2022-02-20 16:07:54,320 INFO L290 TraceCheckUtils]: 292: Hoare triple {37229#(<= |ULTIMATE.start_main_~this_expect~0#1| 13)} assume !false;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_~P1~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647;main_~P2~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647;main_~P3~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;assume -2147483648 <= main_#t~nondet7#1 && main_#t~nondet7#1 <= 2147483647;main_~P4~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;assume -2147483648 <= main_#t~nondet8#1 && main_#t~nondet8#1 <= 2147483647;main_~P5~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647;main_~P6~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1;assume -2147483648 <= main_#t~nondet10#1 && main_#t~nondet10#1 <= 2147483647;main_~P7~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;assume -2147483648 <= main_#t~nondet11#1 && main_#t~nondet11#1 <= 2147483647;main_~P8~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;assume -2147483648 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 2147483647;main_~P9~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; {37229#(<= |ULTIMATE.start_main_~this_expect~0#1| 13)} is VALID [2022-02-20 16:07:54,320 INFO L290 TraceCheckUtils]: 293: Hoare triple {37229#(<= |ULTIMATE.start_main_~this_expect~0#1| 13)} assume !(main_~this_expect~0#1 > 16); {37229#(<= |ULTIMATE.start_main_~this_expect~0#1| 13)} is VALID [2022-02-20 16:07:54,321 INFO L290 TraceCheckUtils]: 294: Hoare triple {37229#(<= |ULTIMATE.start_main_~this_expect~0#1| 13)} assume !(0 == main_~q~0#1); {37229#(<= |ULTIMATE.start_main_~this_expect~0#1| 13)} is VALID [2022-02-20 16:07:54,321 INFO L290 TraceCheckUtils]: 295: Hoare triple {37229#(<= |ULTIMATE.start_main_~this_expect~0#1| 13)} assume !(1 == main_~q~0#1); {37229#(<= |ULTIMATE.start_main_~this_expect~0#1| 13)} is VALID [2022-02-20 16:07:54,321 INFO L290 TraceCheckUtils]: 296: Hoare triple {37229#(<= |ULTIMATE.start_main_~this_expect~0#1| 13)} assume !(2 == main_~q~0#1); {37229#(<= |ULTIMATE.start_main_~this_expect~0#1| 13)} is VALID [2022-02-20 16:07:54,322 INFO L290 TraceCheckUtils]: 297: Hoare triple {37229#(<= |ULTIMATE.start_main_~this_expect~0#1| 13)} assume 3 == main_~q~0#1;assume -2147483648 <= main_#t~nondet26#1 && main_#t~nondet26#1 <= 2147483647; {37229#(<= |ULTIMATE.start_main_~this_expect~0#1| 13)} is VALID [2022-02-20 16:07:54,322 INFO L290 TraceCheckUtils]: 298: Hoare triple {37229#(<= |ULTIMATE.start_main_~this_expect~0#1| 13)} assume !(0 != main_#t~nondet26#1);havoc main_#t~nondet26#1;assume -2147483648 <= main_#t~nondet27#1 && main_#t~nondet27#1 <= 2147483647; {37229#(<= |ULTIMATE.start_main_~this_expect~0#1| 13)} is VALID [2022-02-20 16:07:54,322 INFO L290 TraceCheckUtils]: 299: Hoare triple {37229#(<= |ULTIMATE.start_main_~this_expect~0#1| 13)} assume 0 != main_#t~nondet27#1;havoc main_#t~nondet27#1; {37229#(<= |ULTIMATE.start_main_~this_expect~0#1| 13)} is VALID [2022-02-20 16:07:54,322 INFO L290 TraceCheckUtils]: 300: Hoare triple {37229#(<= |ULTIMATE.start_main_~this_expect~0#1| 13)} assume !(0 != main_~P1~0#1);main_~method_id~0#1 := 3; {37229#(<= |ULTIMATE.start_main_~this_expect~0#1| 13)} is VALID [2022-02-20 16:07:54,323 INFO L290 TraceCheckUtils]: 301: Hoare triple {37229#(<= |ULTIMATE.start_main_~this_expect~0#1| 13)} assume !((1 == main_~this_buffer_empty~0#1 && !(0 != main_~P3~0#1)) || ((main_~P3~0#1 != (if main_~this_expect~0#1 - 1 < 0 && 0 != (main_~this_expect~0#1 - 1) % 2 then (main_~this_expect~0#1 - 1) % 2 - 2 else (main_~this_expect~0#1 - 1) % 2) && 1 != main_~this_buffer_empty~0#1) && !(0 != main_~P3~0#1)));main_~q~0#1 := 4;main_~this_expect~0#1 := main_~this_expect~0#1;main_~this_buffer_empty~0#1 := 1 - main_~this_buffer_empty~0#1; {37229#(<= |ULTIMATE.start_main_~this_expect~0#1| 13)} is VALID [2022-02-20 16:07:54,323 INFO L290 TraceCheckUtils]: 302: Hoare triple {37229#(<= |ULTIMATE.start_main_~this_expect~0#1| 13)} assume !false;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_~P1~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647;main_~P2~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647;main_~P3~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;assume -2147483648 <= main_#t~nondet7#1 && main_#t~nondet7#1 <= 2147483647;main_~P4~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;assume -2147483648 <= main_#t~nondet8#1 && main_#t~nondet8#1 <= 2147483647;main_~P5~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647;main_~P6~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1;assume -2147483648 <= main_#t~nondet10#1 && main_#t~nondet10#1 <= 2147483647;main_~P7~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;assume -2147483648 <= main_#t~nondet11#1 && main_#t~nondet11#1 <= 2147483647;main_~P8~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;assume -2147483648 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 2147483647;main_~P9~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; {37229#(<= |ULTIMATE.start_main_~this_expect~0#1| 13)} is VALID [2022-02-20 16:07:54,323 INFO L290 TraceCheckUtils]: 303: Hoare triple {37229#(<= |ULTIMATE.start_main_~this_expect~0#1| 13)} assume !(main_~this_expect~0#1 > 16); {37229#(<= |ULTIMATE.start_main_~this_expect~0#1| 13)} is VALID [2022-02-20 16:07:54,324 INFO L290 TraceCheckUtils]: 304: Hoare triple {37229#(<= |ULTIMATE.start_main_~this_expect~0#1| 13)} assume !(0 == main_~q~0#1); {37229#(<= |ULTIMATE.start_main_~this_expect~0#1| 13)} is VALID [2022-02-20 16:07:54,324 INFO L290 TraceCheckUtils]: 305: Hoare triple {37229#(<= |ULTIMATE.start_main_~this_expect~0#1| 13)} assume !(1 == main_~q~0#1); {37229#(<= |ULTIMATE.start_main_~this_expect~0#1| 13)} is VALID [2022-02-20 16:07:54,324 INFO L290 TraceCheckUtils]: 306: Hoare triple {37229#(<= |ULTIMATE.start_main_~this_expect~0#1| 13)} assume !(2 == main_~q~0#1); {37229#(<= |ULTIMATE.start_main_~this_expect~0#1| 13)} is VALID [2022-02-20 16:07:54,325 INFO L290 TraceCheckUtils]: 307: Hoare triple {37229#(<= |ULTIMATE.start_main_~this_expect~0#1| 13)} assume !(3 == main_~q~0#1); {37229#(<= |ULTIMATE.start_main_~this_expect~0#1| 13)} is VALID [2022-02-20 16:07:54,325 INFO L290 TraceCheckUtils]: 308: Hoare triple {37229#(<= |ULTIMATE.start_main_~this_expect~0#1| 13)} assume 4 == main_~q~0#1;assume -2147483648 <= main_#t~nondet32#1 && main_#t~nondet32#1 <= 2147483647; {37229#(<= |ULTIMATE.start_main_~this_expect~0#1| 13)} is VALID [2022-02-20 16:07:54,325 INFO L290 TraceCheckUtils]: 309: Hoare triple {37229#(<= |ULTIMATE.start_main_~this_expect~0#1| 13)} assume !(0 != main_#t~nondet32#1);havoc main_#t~nondet32#1;assume -2147483648 <= main_#t~nondet33#1 && main_#t~nondet33#1 <= 2147483647; {37229#(<= |ULTIMATE.start_main_~this_expect~0#1| 13)} is VALID [2022-02-20 16:07:54,326 INFO L290 TraceCheckUtils]: 310: Hoare triple {37229#(<= |ULTIMATE.start_main_~this_expect~0#1| 13)} assume !(0 != main_#t~nondet33#1);havoc main_#t~nondet33#1;assume -2147483648 <= main_#t~nondet34#1 && main_#t~nondet34#1 <= 2147483647; {37229#(<= |ULTIMATE.start_main_~this_expect~0#1| 13)} is VALID [2022-02-20 16:07:54,326 INFO L290 TraceCheckUtils]: 311: Hoare triple {37229#(<= |ULTIMATE.start_main_~this_expect~0#1| 13)} assume !(0 != main_#t~nondet34#1);havoc main_#t~nondet34#1;assume -2147483648 <= main_#t~nondet35#1 && main_#t~nondet35#1 <= 2147483647; {37229#(<= |ULTIMATE.start_main_~this_expect~0#1| 13)} is VALID [2022-02-20 16:07:54,326 INFO L290 TraceCheckUtils]: 312: Hoare triple {37229#(<= |ULTIMATE.start_main_~this_expect~0#1| 13)} assume 0 != main_#t~nondet35#1;havoc main_#t~nondet35#1; {37229#(<= |ULTIMATE.start_main_~this_expect~0#1| 13)} is VALID [2022-02-20 16:07:54,326 INFO L290 TraceCheckUtils]: 313: Hoare triple {37229#(<= |ULTIMATE.start_main_~this_expect~0#1| 13)} assume 0 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2) && !(1 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2) && 0 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2));main_~method_id~0#1 := 5; {37229#(<= |ULTIMATE.start_main_~this_expect~0#1| 13)} is VALID [2022-02-20 16:07:54,327 INFO L290 TraceCheckUtils]: 314: Hoare triple {37229#(<= |ULTIMATE.start_main_~this_expect~0#1| 13)} assume !(((((if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2) != (if main_~this_expect~0#1 < 0 && 0 != main_~this_expect~0#1 % 2 then main_~this_expect~0#1 % 2 - 2 else main_~this_expect~0#1 % 2) && 1 == main_~this_buffer_empty~0#1) && 0 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2)) && 0 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2) && !(1 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2) && 0 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2))) || ((1 != main_~this_buffer_empty~0#1 && 0 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2)) && 0 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2) && !(1 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2) && 0 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2))));main_~q~0#1 := 5;main_~this_expect~0#1 := 1 + main_~this_expect~0#1;main_~this_buffer_empty~0#1 := 1 - main_~this_buffer_empty~0#1; {37230#(<= |ULTIMATE.start_main_~this_expect~0#1| 14)} is VALID [2022-02-20 16:07:54,345 INFO L290 TraceCheckUtils]: 315: Hoare triple {37230#(<= |ULTIMATE.start_main_~this_expect~0#1| 14)} assume !false;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_~P1~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647;main_~P2~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647;main_~P3~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;assume -2147483648 <= main_#t~nondet7#1 && main_#t~nondet7#1 <= 2147483647;main_~P4~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;assume -2147483648 <= main_#t~nondet8#1 && main_#t~nondet8#1 <= 2147483647;main_~P5~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647;main_~P6~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1;assume -2147483648 <= main_#t~nondet10#1 && main_#t~nondet10#1 <= 2147483647;main_~P7~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;assume -2147483648 <= main_#t~nondet11#1 && main_#t~nondet11#1 <= 2147483647;main_~P8~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;assume -2147483648 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 2147483647;main_~P9~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; {37230#(<= |ULTIMATE.start_main_~this_expect~0#1| 14)} is VALID [2022-02-20 16:07:54,346 INFO L290 TraceCheckUtils]: 316: Hoare triple {37230#(<= |ULTIMATE.start_main_~this_expect~0#1| 14)} assume main_~this_expect~0#1 > 16;main_~this_expect~0#1 := -16; {37215#false} is VALID [2022-02-20 16:07:54,346 INFO L290 TraceCheckUtils]: 317: Hoare triple {37215#false} assume !(0 == main_~q~0#1); {37215#false} is VALID [2022-02-20 16:07:54,346 INFO L290 TraceCheckUtils]: 318: Hoare triple {37215#false} assume !(1 == main_~q~0#1); {37215#false} is VALID [2022-02-20 16:07:54,346 INFO L290 TraceCheckUtils]: 319: Hoare triple {37215#false} assume !(2 == main_~q~0#1); {37215#false} is VALID [2022-02-20 16:07:54,346 INFO L290 TraceCheckUtils]: 320: Hoare triple {37215#false} assume !(3 == main_~q~0#1); {37215#false} is VALID [2022-02-20 16:07:54,346 INFO L290 TraceCheckUtils]: 321: Hoare triple {37215#false} assume !(4 == main_~q~0#1); {37215#false} is VALID [2022-02-20 16:07:54,346 INFO L290 TraceCheckUtils]: 322: Hoare triple {37215#false} assume 5 == main_~q~0#1;assume -2147483648 <= main_#t~nondet38#1 && main_#t~nondet38#1 <= 2147483647; {37215#false} is VALID [2022-02-20 16:07:54,346 INFO L290 TraceCheckUtils]: 323: Hoare triple {37215#false} assume !(0 != main_#t~nondet38#1);havoc main_#t~nondet38#1;assume -2147483648 <= main_#t~nondet39#1 && main_#t~nondet39#1 <= 2147483647; {37215#false} is VALID [2022-02-20 16:07:54,346 INFO L290 TraceCheckUtils]: 324: Hoare triple {37215#false} assume !(0 != main_#t~nondet39#1);havoc main_#t~nondet39#1;assume -2147483648 <= main_#t~nondet40#1 && main_#t~nondet40#1 <= 2147483647; {37215#false} is VALID [2022-02-20 16:07:54,347 INFO L290 TraceCheckUtils]: 325: Hoare triple {37215#false} assume !(0 != main_#t~nondet40#1);havoc main_#t~nondet40#1;assume -2147483648 <= main_#t~nondet41#1 && main_#t~nondet41#1 <= 2147483647; {37215#false} is VALID [2022-02-20 16:07:54,347 INFO L290 TraceCheckUtils]: 326: Hoare triple {37215#false} assume !(0 != main_#t~nondet41#1);havoc main_#t~nondet41#1;assume -2147483648 <= main_#t~nondet42#1 && main_#t~nondet42#1 <= 2147483647; {37215#false} is VALID [2022-02-20 16:07:54,347 INFO L290 TraceCheckUtils]: 327: Hoare triple {37215#false} assume 0 != main_#t~nondet42#1;havoc main_#t~nondet42#1; {37215#false} is VALID [2022-02-20 16:07:54,347 INFO L290 TraceCheckUtils]: 328: Hoare triple {37215#false} assume 0 != main_~P1~0#1 && 1 != main_~P1~0#1 && 0 != main_~P1~0#1;main_~method_id~0#1 := 6; {37215#false} is VALID [2022-02-20 16:07:54,347 INFO L290 TraceCheckUtils]: 329: Hoare triple {37215#false} assume ((main_~P8~0#1 == (if main_~this_expect~0#1 - 1 < 0 && 0 != (main_~this_expect~0#1 - 1) % 2 then (main_~this_expect~0#1 - 1) % 2 - 2 else (main_~this_expect~0#1 - 1) % 2) && 1 != main_~this_buffer_empty~0#1) && 0 != main_~P8~0#1) && 0 != main_~P8~0#1 && 1 != main_~P8~0#1 && 0 != main_~P8~0#1; {37215#false} is VALID [2022-02-20 16:07:54,347 INFO L290 TraceCheckUtils]: 330: Hoare triple {37215#false} assume !false; {37215#false} is VALID [2022-02-20 16:07:54,348 INFO L134 CoverageAnalysis]: Checked inductivity of 2551 backedges. 227 proven. 2258 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2022-02-20 16:07:54,348 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 16:07:54,349 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [871884321] [2022-02-20 16:07:54,349 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [871884321] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-20 16:07:54,349 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [924751262] [2022-02-20 16:07:54,349 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-02-20 16:07:54,349 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 16:07:54,349 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 16:07:54,350 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-20 16:07:54,351 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2022-02-20 16:07:54,787 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-02-20 16:07:54,787 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-20 16:07:54,793 INFO L263 TraceCheckSpWp]: Trace formula consists of 1947 conjuncts, 29 conjunts are in the unsatisfiable core [2022-02-20 16:07:54,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 16:07:54,881 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-20 16:07:55,870 INFO L290 TraceCheckUtils]: 0: Hoare triple {37214#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(16, 2);call #Ultimate.allocInit(12, 3);~m_Protocol~0 := 1;~m_msg_2~0 := 2;~m_recv_ack_2~0 := 3;~m_msg_1_1~0 := 4;~m_msg_1_2~0 := 5;~m_recv_ack_1_1~0 := 6;~m_recv_ack_1_2~0 := 7; {37214#true} is VALID [2022-02-20 16:07:55,871 INFO L290 TraceCheckUtils]: 1: Hoare triple {37214#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~nondet5#1, main_#t~nondet6#1, main_#t~nondet7#1, main_#t~nondet8#1, main_#t~nondet9#1, main_#t~nondet10#1, main_#t~nondet11#1, main_#t~nondet12#1, main_#t~nondet13#1, main_#t~nondet14#1, main_#t~nondet15#1, main_#t~nondet16#1, main_#t~nondet17#1, main_#t~nondet18#1, main_#t~nondet19#1, main_#t~nondet20#1, main_#t~nondet21#1, main_#t~nondet22#1, main_#t~nondet23#1, main_#t~nondet24#1, main_#t~nondet25#1, main_#t~nondet26#1, main_#t~nondet27#1, main_#t~nondet28#1, main_#t~nondet29#1, main_#t~nondet30#1, main_#t~nondet31#1, main_#t~nondet32#1, main_#t~nondet33#1, main_#t~nondet34#1, main_#t~nondet35#1, main_#t~nondet36#1, main_#t~nondet37#1, main_#t~nondet38#1, main_#t~nondet39#1, main_#t~nondet40#1, main_#t~nondet41#1, main_#t~nondet42#1, main_#t~nondet43#1, main_~P1~0#1, main_~P2~0#1, main_~P3~0#1, main_~P4~0#1, main_~P5~0#1, main_~P6~0#1, main_~P7~0#1, main_~P8~0#1, main_~P9~0#1, main_~q~0#1, main_~method_id~0#1, main_~this_expect~0#1, main_~this_buffer_empty~0#1;main_~q~0#1 := 0;havoc main_~method_id~0#1;main_~this_expect~0#1 := 0;main_~this_buffer_empty~0#1 := 0; {37214#true} is VALID [2022-02-20 16:07:55,871 INFO L290 TraceCheckUtils]: 2: Hoare triple {37214#true} goto; {37214#true} is VALID [2022-02-20 16:07:55,871 INFO L290 TraceCheckUtils]: 3: Hoare triple {37214#true} assume !false;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_~P1~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647;main_~P2~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647;main_~P3~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;assume -2147483648 <= main_#t~nondet7#1 && main_#t~nondet7#1 <= 2147483647;main_~P4~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;assume -2147483648 <= main_#t~nondet8#1 && main_#t~nondet8#1 <= 2147483647;main_~P5~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647;main_~P6~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1;assume -2147483648 <= main_#t~nondet10#1 && main_#t~nondet10#1 <= 2147483647;main_~P7~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;assume -2147483648 <= main_#t~nondet11#1 && main_#t~nondet11#1 <= 2147483647;main_~P8~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;assume -2147483648 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 2147483647;main_~P9~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; {37214#true} is VALID [2022-02-20 16:07:55,871 INFO L290 TraceCheckUtils]: 4: Hoare triple {37214#true} assume !(main_~this_expect~0#1 > 16); {37214#true} is VALID [2022-02-20 16:07:55,871 INFO L290 TraceCheckUtils]: 5: Hoare triple {37214#true} assume 0 == main_~q~0#1;assume -2147483648 <= main_#t~nondet13#1 && main_#t~nondet13#1 <= 2147483647; {37214#true} is VALID [2022-02-20 16:07:55,871 INFO L290 TraceCheckUtils]: 6: Hoare triple {37214#true} assume 0 != main_#t~nondet13#1;havoc main_#t~nondet13#1; {37214#true} is VALID [2022-02-20 16:07:55,871 INFO L290 TraceCheckUtils]: 7: Hoare triple {37214#true} main_~method_id~0#1 := 1; {37214#true} is VALID [2022-02-20 16:07:55,872 INFO L290 TraceCheckUtils]: 8: Hoare triple {37214#true} assume !false;main_~q~0#1 := 1;main_~this_expect~0#1 := 0;main_~this_buffer_empty~0#1 := 1; {37258#(<= |ULTIMATE.start_main_~this_expect~0#1| 0)} is VALID [2022-02-20 16:07:55,872 INFO L290 TraceCheckUtils]: 9: Hoare triple {37258#(<= |ULTIMATE.start_main_~this_expect~0#1| 0)} assume !false;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_~P1~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647;main_~P2~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647;main_~P3~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;assume -2147483648 <= main_#t~nondet7#1 && main_#t~nondet7#1 <= 2147483647;main_~P4~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;assume -2147483648 <= main_#t~nondet8#1 && main_#t~nondet8#1 <= 2147483647;main_~P5~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647;main_~P6~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1;assume -2147483648 <= main_#t~nondet10#1 && main_#t~nondet10#1 <= 2147483647;main_~P7~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;assume -2147483648 <= main_#t~nondet11#1 && main_#t~nondet11#1 <= 2147483647;main_~P8~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;assume -2147483648 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 2147483647;main_~P9~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; {37258#(<= |ULTIMATE.start_main_~this_expect~0#1| 0)} is VALID [2022-02-20 16:07:55,872 INFO L290 TraceCheckUtils]: 10: Hoare triple {37258#(<= |ULTIMATE.start_main_~this_expect~0#1| 0)} assume !(main_~this_expect~0#1 > 16); {37258#(<= |ULTIMATE.start_main_~this_expect~0#1| 0)} is VALID [2022-02-20 16:07:55,872 INFO L290 TraceCheckUtils]: 11: Hoare triple {37258#(<= |ULTIMATE.start_main_~this_expect~0#1| 0)} assume !(0 == main_~q~0#1); {37258#(<= |ULTIMATE.start_main_~this_expect~0#1| 0)} is VALID [2022-02-20 16:07:55,872 INFO L290 TraceCheckUtils]: 12: Hoare triple {37258#(<= |ULTIMATE.start_main_~this_expect~0#1| 0)} assume 1 == main_~q~0#1;assume -2147483648 <= main_#t~nondet14#1 && main_#t~nondet14#1 <= 2147483647; {37258#(<= |ULTIMATE.start_main_~this_expect~0#1| 0)} is VALID [2022-02-20 16:07:55,873 INFO L290 TraceCheckUtils]: 13: Hoare triple {37258#(<= |ULTIMATE.start_main_~this_expect~0#1| 0)} assume 0 != main_#t~nondet14#1;havoc main_#t~nondet14#1; {37258#(<= |ULTIMATE.start_main_~this_expect~0#1| 0)} is VALID [2022-02-20 16:07:55,873 INFO L290 TraceCheckUtils]: 14: Hoare triple {37258#(<= |ULTIMATE.start_main_~this_expect~0#1| 0)} assume !(0 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2));main_~method_id~0#1 := 2; {37258#(<= |ULTIMATE.start_main_~this_expect~0#1| 0)} is VALID [2022-02-20 16:07:55,873 INFO L290 TraceCheckUtils]: 15: Hoare triple {37258#(<= |ULTIMATE.start_main_~this_expect~0#1| 0)} assume !((((if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2) != (if main_~this_expect~0#1 < 0 && 0 != main_~this_expect~0#1 % 2 then main_~this_expect~0#1 % 2 - 2 else main_~this_expect~0#1 % 2) && 1 == main_~this_buffer_empty~0#1) && !(0 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2))) || (1 != main_~this_buffer_empty~0#1 && !(0 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2))));main_~q~0#1 := 3;main_~this_expect~0#1 := 1 + main_~this_expect~0#1;main_~this_buffer_empty~0#1 := 1 - main_~this_buffer_empty~0#1; {37217#(<= |ULTIMATE.start_main_~this_expect~0#1| 1)} is VALID [2022-02-20 16:07:55,874 INFO L290 TraceCheckUtils]: 16: Hoare triple {37217#(<= |ULTIMATE.start_main_~this_expect~0#1| 1)} assume !false;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_~P1~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647;main_~P2~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647;main_~P3~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;assume -2147483648 <= main_#t~nondet7#1 && main_#t~nondet7#1 <= 2147483647;main_~P4~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;assume -2147483648 <= main_#t~nondet8#1 && main_#t~nondet8#1 <= 2147483647;main_~P5~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647;main_~P6~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1;assume -2147483648 <= main_#t~nondet10#1 && main_#t~nondet10#1 <= 2147483647;main_~P7~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;assume -2147483648 <= main_#t~nondet11#1 && main_#t~nondet11#1 <= 2147483647;main_~P8~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;assume -2147483648 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 2147483647;main_~P9~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; {37217#(<= |ULTIMATE.start_main_~this_expect~0#1| 1)} is VALID [2022-02-20 16:07:55,874 INFO L290 TraceCheckUtils]: 17: Hoare triple {37217#(<= |ULTIMATE.start_main_~this_expect~0#1| 1)} assume !(main_~this_expect~0#1 > 16); {37217#(<= |ULTIMATE.start_main_~this_expect~0#1| 1)} is VALID [2022-02-20 16:07:55,874 INFO L290 TraceCheckUtils]: 18: Hoare triple {37217#(<= |ULTIMATE.start_main_~this_expect~0#1| 1)} assume !(0 == main_~q~0#1); {37217#(<= |ULTIMATE.start_main_~this_expect~0#1| 1)} is VALID [2022-02-20 16:07:55,874 INFO L290 TraceCheckUtils]: 19: Hoare triple {37217#(<= |ULTIMATE.start_main_~this_expect~0#1| 1)} assume !(1 == main_~q~0#1); {37217#(<= |ULTIMATE.start_main_~this_expect~0#1| 1)} is VALID [2022-02-20 16:07:55,874 INFO L290 TraceCheckUtils]: 20: Hoare triple {37217#(<= |ULTIMATE.start_main_~this_expect~0#1| 1)} assume !(2 == main_~q~0#1); {37217#(<= |ULTIMATE.start_main_~this_expect~0#1| 1)} is VALID [2022-02-20 16:07:55,875 INFO L290 TraceCheckUtils]: 21: Hoare triple {37217#(<= |ULTIMATE.start_main_~this_expect~0#1| 1)} assume 3 == main_~q~0#1;assume -2147483648 <= main_#t~nondet26#1 && main_#t~nondet26#1 <= 2147483647; {37217#(<= |ULTIMATE.start_main_~this_expect~0#1| 1)} is VALID [2022-02-20 16:07:55,875 INFO L290 TraceCheckUtils]: 22: Hoare triple {37217#(<= |ULTIMATE.start_main_~this_expect~0#1| 1)} assume !(0 != main_#t~nondet26#1);havoc main_#t~nondet26#1;assume -2147483648 <= main_#t~nondet27#1 && main_#t~nondet27#1 <= 2147483647; {37217#(<= |ULTIMATE.start_main_~this_expect~0#1| 1)} is VALID [2022-02-20 16:07:55,875 INFO L290 TraceCheckUtils]: 23: Hoare triple {37217#(<= |ULTIMATE.start_main_~this_expect~0#1| 1)} assume 0 != main_#t~nondet27#1;havoc main_#t~nondet27#1; {37217#(<= |ULTIMATE.start_main_~this_expect~0#1| 1)} is VALID [2022-02-20 16:07:55,875 INFO L290 TraceCheckUtils]: 24: Hoare triple {37217#(<= |ULTIMATE.start_main_~this_expect~0#1| 1)} assume !(0 != main_~P1~0#1);main_~method_id~0#1 := 3; {37217#(<= |ULTIMATE.start_main_~this_expect~0#1| 1)} is VALID [2022-02-20 16:07:55,876 INFO L290 TraceCheckUtils]: 25: Hoare triple {37217#(<= |ULTIMATE.start_main_~this_expect~0#1| 1)} assume !((1 == main_~this_buffer_empty~0#1 && !(0 != main_~P3~0#1)) || ((main_~P3~0#1 != (if main_~this_expect~0#1 - 1 < 0 && 0 != (main_~this_expect~0#1 - 1) % 2 then (main_~this_expect~0#1 - 1) % 2 - 2 else (main_~this_expect~0#1 - 1) % 2) && 1 != main_~this_buffer_empty~0#1) && !(0 != main_~P3~0#1)));main_~q~0#1 := 4;main_~this_expect~0#1 := main_~this_expect~0#1;main_~this_buffer_empty~0#1 := 1 - main_~this_buffer_empty~0#1; {37217#(<= |ULTIMATE.start_main_~this_expect~0#1| 1)} is VALID [2022-02-20 16:07:55,876 INFO L290 TraceCheckUtils]: 26: Hoare triple {37217#(<= |ULTIMATE.start_main_~this_expect~0#1| 1)} assume !false;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_~P1~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647;main_~P2~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647;main_~P3~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;assume -2147483648 <= main_#t~nondet7#1 && main_#t~nondet7#1 <= 2147483647;main_~P4~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;assume -2147483648 <= main_#t~nondet8#1 && main_#t~nondet8#1 <= 2147483647;main_~P5~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647;main_~P6~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1;assume -2147483648 <= main_#t~nondet10#1 && main_#t~nondet10#1 <= 2147483647;main_~P7~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;assume -2147483648 <= main_#t~nondet11#1 && main_#t~nondet11#1 <= 2147483647;main_~P8~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;assume -2147483648 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 2147483647;main_~P9~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; {37217#(<= |ULTIMATE.start_main_~this_expect~0#1| 1)} is VALID [2022-02-20 16:07:55,876 INFO L290 TraceCheckUtils]: 27: Hoare triple {37217#(<= |ULTIMATE.start_main_~this_expect~0#1| 1)} assume !(main_~this_expect~0#1 > 16); {37217#(<= |ULTIMATE.start_main_~this_expect~0#1| 1)} is VALID [2022-02-20 16:07:55,876 INFO L290 TraceCheckUtils]: 28: Hoare triple {37217#(<= |ULTIMATE.start_main_~this_expect~0#1| 1)} assume !(0 == main_~q~0#1); {37217#(<= |ULTIMATE.start_main_~this_expect~0#1| 1)} is VALID [2022-02-20 16:07:55,876 INFO L290 TraceCheckUtils]: 29: Hoare triple {37217#(<= |ULTIMATE.start_main_~this_expect~0#1| 1)} assume !(1 == main_~q~0#1); {37217#(<= |ULTIMATE.start_main_~this_expect~0#1| 1)} is VALID [2022-02-20 16:07:55,877 INFO L290 TraceCheckUtils]: 30: Hoare triple {37217#(<= |ULTIMATE.start_main_~this_expect~0#1| 1)} assume !(2 == main_~q~0#1); {37217#(<= |ULTIMATE.start_main_~this_expect~0#1| 1)} is VALID [2022-02-20 16:07:55,877 INFO L290 TraceCheckUtils]: 31: Hoare triple {37217#(<= |ULTIMATE.start_main_~this_expect~0#1| 1)} assume !(3 == main_~q~0#1); {37217#(<= |ULTIMATE.start_main_~this_expect~0#1| 1)} is VALID [2022-02-20 16:07:55,877 INFO L290 TraceCheckUtils]: 32: Hoare triple {37217#(<= |ULTIMATE.start_main_~this_expect~0#1| 1)} assume 4 == main_~q~0#1;assume -2147483648 <= main_#t~nondet32#1 && main_#t~nondet32#1 <= 2147483647; {37217#(<= |ULTIMATE.start_main_~this_expect~0#1| 1)} is VALID [2022-02-20 16:07:55,877 INFO L290 TraceCheckUtils]: 33: Hoare triple {37217#(<= |ULTIMATE.start_main_~this_expect~0#1| 1)} assume !(0 != main_#t~nondet32#1);havoc main_#t~nondet32#1;assume -2147483648 <= main_#t~nondet33#1 && main_#t~nondet33#1 <= 2147483647; {37217#(<= |ULTIMATE.start_main_~this_expect~0#1| 1)} is VALID [2022-02-20 16:07:55,877 INFO L290 TraceCheckUtils]: 34: Hoare triple {37217#(<= |ULTIMATE.start_main_~this_expect~0#1| 1)} assume !(0 != main_#t~nondet33#1);havoc main_#t~nondet33#1;assume -2147483648 <= main_#t~nondet34#1 && main_#t~nondet34#1 <= 2147483647; {37217#(<= |ULTIMATE.start_main_~this_expect~0#1| 1)} is VALID [2022-02-20 16:07:55,878 INFO L290 TraceCheckUtils]: 35: Hoare triple {37217#(<= |ULTIMATE.start_main_~this_expect~0#1| 1)} assume !(0 != main_#t~nondet34#1);havoc main_#t~nondet34#1;assume -2147483648 <= main_#t~nondet35#1 && main_#t~nondet35#1 <= 2147483647; {37217#(<= |ULTIMATE.start_main_~this_expect~0#1| 1)} is VALID [2022-02-20 16:07:55,878 INFO L290 TraceCheckUtils]: 36: Hoare triple {37217#(<= |ULTIMATE.start_main_~this_expect~0#1| 1)} assume 0 != main_#t~nondet35#1;havoc main_#t~nondet35#1; {37217#(<= |ULTIMATE.start_main_~this_expect~0#1| 1)} is VALID [2022-02-20 16:07:55,878 INFO L290 TraceCheckUtils]: 37: Hoare triple {37217#(<= |ULTIMATE.start_main_~this_expect~0#1| 1)} assume 0 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2) && !(1 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2) && 0 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2));main_~method_id~0#1 := 5; {37217#(<= |ULTIMATE.start_main_~this_expect~0#1| 1)} is VALID [2022-02-20 16:07:55,879 INFO L290 TraceCheckUtils]: 38: Hoare triple {37217#(<= |ULTIMATE.start_main_~this_expect~0#1| 1)} assume !(((((if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2) != (if main_~this_expect~0#1 < 0 && 0 != main_~this_expect~0#1 % 2 then main_~this_expect~0#1 % 2 - 2 else main_~this_expect~0#1 % 2) && 1 == main_~this_buffer_empty~0#1) && 0 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2)) && 0 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2) && !(1 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2) && 0 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2))) || ((1 != main_~this_buffer_empty~0#1 && 0 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2)) && 0 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2) && !(1 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2) && 0 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2))));main_~q~0#1 := 5;main_~this_expect~0#1 := 1 + main_~this_expect~0#1;main_~this_buffer_empty~0#1 := 1 - main_~this_buffer_empty~0#1; {37218#(<= |ULTIMATE.start_main_~this_expect~0#1| 2)} is VALID [2022-02-20 16:07:55,879 INFO L290 TraceCheckUtils]: 39: Hoare triple {37218#(<= |ULTIMATE.start_main_~this_expect~0#1| 2)} assume !false;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_~P1~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647;main_~P2~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647;main_~P3~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;assume -2147483648 <= main_#t~nondet7#1 && main_#t~nondet7#1 <= 2147483647;main_~P4~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;assume -2147483648 <= main_#t~nondet8#1 && main_#t~nondet8#1 <= 2147483647;main_~P5~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647;main_~P6~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1;assume -2147483648 <= main_#t~nondet10#1 && main_#t~nondet10#1 <= 2147483647;main_~P7~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;assume -2147483648 <= main_#t~nondet11#1 && main_#t~nondet11#1 <= 2147483647;main_~P8~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;assume -2147483648 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 2147483647;main_~P9~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; {37218#(<= |ULTIMATE.start_main_~this_expect~0#1| 2)} is VALID [2022-02-20 16:07:55,879 INFO L290 TraceCheckUtils]: 40: Hoare triple {37218#(<= |ULTIMATE.start_main_~this_expect~0#1| 2)} assume !(main_~this_expect~0#1 > 16); {37218#(<= |ULTIMATE.start_main_~this_expect~0#1| 2)} is VALID [2022-02-20 16:07:55,879 INFO L290 TraceCheckUtils]: 41: Hoare triple {37218#(<= |ULTIMATE.start_main_~this_expect~0#1| 2)} assume !(0 == main_~q~0#1); {37218#(<= |ULTIMATE.start_main_~this_expect~0#1| 2)} is VALID [2022-02-20 16:07:55,880 INFO L290 TraceCheckUtils]: 42: Hoare triple {37218#(<= |ULTIMATE.start_main_~this_expect~0#1| 2)} assume !(1 == main_~q~0#1); {37218#(<= |ULTIMATE.start_main_~this_expect~0#1| 2)} is VALID [2022-02-20 16:07:55,880 INFO L290 TraceCheckUtils]: 43: Hoare triple {37218#(<= |ULTIMATE.start_main_~this_expect~0#1| 2)} assume !(2 == main_~q~0#1); {37218#(<= |ULTIMATE.start_main_~this_expect~0#1| 2)} is VALID [2022-02-20 16:07:55,880 INFO L290 TraceCheckUtils]: 44: Hoare triple {37218#(<= |ULTIMATE.start_main_~this_expect~0#1| 2)} assume !(3 == main_~q~0#1); {37218#(<= |ULTIMATE.start_main_~this_expect~0#1| 2)} is VALID [2022-02-20 16:07:55,880 INFO L290 TraceCheckUtils]: 45: Hoare triple {37218#(<= |ULTIMATE.start_main_~this_expect~0#1| 2)} assume !(4 == main_~q~0#1); {37218#(<= |ULTIMATE.start_main_~this_expect~0#1| 2)} is VALID [2022-02-20 16:07:55,880 INFO L290 TraceCheckUtils]: 46: Hoare triple {37218#(<= |ULTIMATE.start_main_~this_expect~0#1| 2)} assume 5 == main_~q~0#1;assume -2147483648 <= main_#t~nondet38#1 && main_#t~nondet38#1 <= 2147483647; {37218#(<= |ULTIMATE.start_main_~this_expect~0#1| 2)} is VALID [2022-02-20 16:07:55,881 INFO L290 TraceCheckUtils]: 47: Hoare triple {37218#(<= |ULTIMATE.start_main_~this_expect~0#1| 2)} assume !(0 != main_#t~nondet38#1);havoc main_#t~nondet38#1;assume -2147483648 <= main_#t~nondet39#1 && main_#t~nondet39#1 <= 2147483647; {37218#(<= |ULTIMATE.start_main_~this_expect~0#1| 2)} is VALID [2022-02-20 16:07:55,881 INFO L290 TraceCheckUtils]: 48: Hoare triple {37218#(<= |ULTIMATE.start_main_~this_expect~0#1| 2)} assume !(0 != main_#t~nondet39#1);havoc main_#t~nondet39#1;assume -2147483648 <= main_#t~nondet40#1 && main_#t~nondet40#1 <= 2147483647; {37218#(<= |ULTIMATE.start_main_~this_expect~0#1| 2)} is VALID [2022-02-20 16:07:55,881 INFO L290 TraceCheckUtils]: 49: Hoare triple {37218#(<= |ULTIMATE.start_main_~this_expect~0#1| 2)} assume !(0 != main_#t~nondet40#1);havoc main_#t~nondet40#1;assume -2147483648 <= main_#t~nondet41#1 && main_#t~nondet41#1 <= 2147483647; {37218#(<= |ULTIMATE.start_main_~this_expect~0#1| 2)} is VALID [2022-02-20 16:07:55,881 INFO L290 TraceCheckUtils]: 50: Hoare triple {37218#(<= |ULTIMATE.start_main_~this_expect~0#1| 2)} assume !(0 != main_#t~nondet41#1);havoc main_#t~nondet41#1;assume -2147483648 <= main_#t~nondet42#1 && main_#t~nondet42#1 <= 2147483647; {37218#(<= |ULTIMATE.start_main_~this_expect~0#1| 2)} is VALID [2022-02-20 16:07:55,881 INFO L290 TraceCheckUtils]: 51: Hoare triple {37218#(<= |ULTIMATE.start_main_~this_expect~0#1| 2)} assume !(0 != main_#t~nondet42#1);havoc main_#t~nondet42#1;assume -2147483648 <= main_#t~nondet43#1 && main_#t~nondet43#1 <= 2147483647; {37218#(<= |ULTIMATE.start_main_~this_expect~0#1| 2)} is VALID [2022-02-20 16:07:55,882 INFO L290 TraceCheckUtils]: 52: Hoare triple {37218#(<= |ULTIMATE.start_main_~this_expect~0#1| 2)} assume 0 != main_#t~nondet43#1;havoc main_#t~nondet43#1; {37218#(<= |ULTIMATE.start_main_~this_expect~0#1| 2)} is VALID [2022-02-20 16:07:55,882 INFO L290 TraceCheckUtils]: 53: Hoare triple {37218#(<= |ULTIMATE.start_main_~this_expect~0#1| 2)} assume 0 != main_~P1~0#1 && !(1 != main_~P1~0#1 && 0 != main_~P1~0#1);main_~method_id~0#1 := 7; {37218#(<= |ULTIMATE.start_main_~this_expect~0#1| 2)} is VALID [2022-02-20 16:07:55,882 INFO L290 TraceCheckUtils]: 54: Hoare triple {37218#(<= |ULTIMATE.start_main_~this_expect~0#1| 2)} assume !(((1 == main_~this_buffer_empty~0#1 && 0 != main_~P9~0#1) && 0 != main_~P9~0#1 && !(1 != main_~P9~0#1 && 0 != main_~P9~0#1)) || (((main_~P9~0#1 != (if main_~this_expect~0#1 - 1 < 0 && 0 != (main_~this_expect~0#1 - 1) % 2 then (main_~this_expect~0#1 - 1) % 2 - 2 else (main_~this_expect~0#1 - 1) % 2) && 1 != main_~this_buffer_empty~0#1) && 0 != main_~P9~0#1) && 0 != main_~P9~0#1 && !(1 != main_~P9~0#1 && 0 != main_~P9~0#1)));main_~q~0#1 := 1;main_~this_expect~0#1 := main_~this_expect~0#1;main_~this_buffer_empty~0#1 := 1 - main_~this_buffer_empty~0#1; {37218#(<= |ULTIMATE.start_main_~this_expect~0#1| 2)} is VALID [2022-02-20 16:07:55,883 INFO L290 TraceCheckUtils]: 55: Hoare triple {37218#(<= |ULTIMATE.start_main_~this_expect~0#1| 2)} assume !false;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_~P1~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647;main_~P2~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647;main_~P3~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;assume -2147483648 <= main_#t~nondet7#1 && main_#t~nondet7#1 <= 2147483647;main_~P4~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;assume -2147483648 <= main_#t~nondet8#1 && main_#t~nondet8#1 <= 2147483647;main_~P5~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647;main_~P6~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1;assume -2147483648 <= main_#t~nondet10#1 && main_#t~nondet10#1 <= 2147483647;main_~P7~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;assume -2147483648 <= main_#t~nondet11#1 && main_#t~nondet11#1 <= 2147483647;main_~P8~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;assume -2147483648 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 2147483647;main_~P9~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; {37218#(<= |ULTIMATE.start_main_~this_expect~0#1| 2)} is VALID [2022-02-20 16:07:55,883 INFO L290 TraceCheckUtils]: 56: Hoare triple {37218#(<= |ULTIMATE.start_main_~this_expect~0#1| 2)} assume !(main_~this_expect~0#1 > 16); {37218#(<= |ULTIMATE.start_main_~this_expect~0#1| 2)} is VALID [2022-02-20 16:07:55,883 INFO L290 TraceCheckUtils]: 57: Hoare triple {37218#(<= |ULTIMATE.start_main_~this_expect~0#1| 2)} assume !(0 == main_~q~0#1); {37218#(<= |ULTIMATE.start_main_~this_expect~0#1| 2)} is VALID [2022-02-20 16:07:55,883 INFO L290 TraceCheckUtils]: 58: Hoare triple {37218#(<= |ULTIMATE.start_main_~this_expect~0#1| 2)} assume 1 == main_~q~0#1;assume -2147483648 <= main_#t~nondet14#1 && main_#t~nondet14#1 <= 2147483647; {37218#(<= |ULTIMATE.start_main_~this_expect~0#1| 2)} is VALID [2022-02-20 16:07:55,884 INFO L290 TraceCheckUtils]: 59: Hoare triple {37218#(<= |ULTIMATE.start_main_~this_expect~0#1| 2)} assume 0 != main_#t~nondet14#1;havoc main_#t~nondet14#1; {37218#(<= |ULTIMATE.start_main_~this_expect~0#1| 2)} is VALID [2022-02-20 16:07:55,884 INFO L290 TraceCheckUtils]: 60: Hoare triple {37218#(<= |ULTIMATE.start_main_~this_expect~0#1| 2)} assume !(0 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2));main_~method_id~0#1 := 2; {37218#(<= |ULTIMATE.start_main_~this_expect~0#1| 2)} is VALID [2022-02-20 16:07:55,884 INFO L290 TraceCheckUtils]: 61: Hoare triple {37218#(<= |ULTIMATE.start_main_~this_expect~0#1| 2)} assume !((((if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2) != (if main_~this_expect~0#1 < 0 && 0 != main_~this_expect~0#1 % 2 then main_~this_expect~0#1 % 2 - 2 else main_~this_expect~0#1 % 2) && 1 == main_~this_buffer_empty~0#1) && !(0 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2))) || (1 != main_~this_buffer_empty~0#1 && !(0 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2))));main_~q~0#1 := 3;main_~this_expect~0#1 := 1 + main_~this_expect~0#1;main_~this_buffer_empty~0#1 := 1 - main_~this_buffer_empty~0#1; {37219#(<= |ULTIMATE.start_main_~this_expect~0#1| 3)} is VALID [2022-02-20 16:07:55,884 INFO L290 TraceCheckUtils]: 62: Hoare triple {37219#(<= |ULTIMATE.start_main_~this_expect~0#1| 3)} assume !false;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_~P1~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647;main_~P2~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647;main_~P3~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;assume -2147483648 <= main_#t~nondet7#1 && main_#t~nondet7#1 <= 2147483647;main_~P4~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;assume -2147483648 <= main_#t~nondet8#1 && main_#t~nondet8#1 <= 2147483647;main_~P5~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647;main_~P6~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1;assume -2147483648 <= main_#t~nondet10#1 && main_#t~nondet10#1 <= 2147483647;main_~P7~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;assume -2147483648 <= main_#t~nondet11#1 && main_#t~nondet11#1 <= 2147483647;main_~P8~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;assume -2147483648 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 2147483647;main_~P9~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; {37219#(<= |ULTIMATE.start_main_~this_expect~0#1| 3)} is VALID [2022-02-20 16:07:55,885 INFO L290 TraceCheckUtils]: 63: Hoare triple {37219#(<= |ULTIMATE.start_main_~this_expect~0#1| 3)} assume !(main_~this_expect~0#1 > 16); {37219#(<= |ULTIMATE.start_main_~this_expect~0#1| 3)} is VALID [2022-02-20 16:07:55,885 INFO L290 TraceCheckUtils]: 64: Hoare triple {37219#(<= |ULTIMATE.start_main_~this_expect~0#1| 3)} assume !(0 == main_~q~0#1); {37219#(<= |ULTIMATE.start_main_~this_expect~0#1| 3)} is VALID [2022-02-20 16:07:55,885 INFO L290 TraceCheckUtils]: 65: Hoare triple {37219#(<= |ULTIMATE.start_main_~this_expect~0#1| 3)} assume !(1 == main_~q~0#1); {37219#(<= |ULTIMATE.start_main_~this_expect~0#1| 3)} is VALID [2022-02-20 16:07:55,885 INFO L290 TraceCheckUtils]: 66: Hoare triple {37219#(<= |ULTIMATE.start_main_~this_expect~0#1| 3)} assume !(2 == main_~q~0#1); {37219#(<= |ULTIMATE.start_main_~this_expect~0#1| 3)} is VALID [2022-02-20 16:07:55,885 INFO L290 TraceCheckUtils]: 67: Hoare triple {37219#(<= |ULTIMATE.start_main_~this_expect~0#1| 3)} assume 3 == main_~q~0#1;assume -2147483648 <= main_#t~nondet26#1 && main_#t~nondet26#1 <= 2147483647; {37219#(<= |ULTIMATE.start_main_~this_expect~0#1| 3)} is VALID [2022-02-20 16:07:55,886 INFO L290 TraceCheckUtils]: 68: Hoare triple {37219#(<= |ULTIMATE.start_main_~this_expect~0#1| 3)} assume !(0 != main_#t~nondet26#1);havoc main_#t~nondet26#1;assume -2147483648 <= main_#t~nondet27#1 && main_#t~nondet27#1 <= 2147483647; {37219#(<= |ULTIMATE.start_main_~this_expect~0#1| 3)} is VALID [2022-02-20 16:07:55,886 INFO L290 TraceCheckUtils]: 69: Hoare triple {37219#(<= |ULTIMATE.start_main_~this_expect~0#1| 3)} assume 0 != main_#t~nondet27#1;havoc main_#t~nondet27#1; {37219#(<= |ULTIMATE.start_main_~this_expect~0#1| 3)} is VALID [2022-02-20 16:07:55,886 INFO L290 TraceCheckUtils]: 70: Hoare triple {37219#(<= |ULTIMATE.start_main_~this_expect~0#1| 3)} assume !(0 != main_~P1~0#1);main_~method_id~0#1 := 3; {37219#(<= |ULTIMATE.start_main_~this_expect~0#1| 3)} is VALID [2022-02-20 16:07:55,886 INFO L290 TraceCheckUtils]: 71: Hoare triple {37219#(<= |ULTIMATE.start_main_~this_expect~0#1| 3)} assume !((1 == main_~this_buffer_empty~0#1 && !(0 != main_~P3~0#1)) || ((main_~P3~0#1 != (if main_~this_expect~0#1 - 1 < 0 && 0 != (main_~this_expect~0#1 - 1) % 2 then (main_~this_expect~0#1 - 1) % 2 - 2 else (main_~this_expect~0#1 - 1) % 2) && 1 != main_~this_buffer_empty~0#1) && !(0 != main_~P3~0#1)));main_~q~0#1 := 4;main_~this_expect~0#1 := main_~this_expect~0#1;main_~this_buffer_empty~0#1 := 1 - main_~this_buffer_empty~0#1; {37219#(<= |ULTIMATE.start_main_~this_expect~0#1| 3)} is VALID [2022-02-20 16:07:55,887 INFO L290 TraceCheckUtils]: 72: Hoare triple {37219#(<= |ULTIMATE.start_main_~this_expect~0#1| 3)} assume !false;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_~P1~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647;main_~P2~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647;main_~P3~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;assume -2147483648 <= main_#t~nondet7#1 && main_#t~nondet7#1 <= 2147483647;main_~P4~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;assume -2147483648 <= main_#t~nondet8#1 && main_#t~nondet8#1 <= 2147483647;main_~P5~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647;main_~P6~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1;assume -2147483648 <= main_#t~nondet10#1 && main_#t~nondet10#1 <= 2147483647;main_~P7~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;assume -2147483648 <= main_#t~nondet11#1 && main_#t~nondet11#1 <= 2147483647;main_~P8~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;assume -2147483648 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 2147483647;main_~P9~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; {37219#(<= |ULTIMATE.start_main_~this_expect~0#1| 3)} is VALID [2022-02-20 16:07:55,887 INFO L290 TraceCheckUtils]: 73: Hoare triple {37219#(<= |ULTIMATE.start_main_~this_expect~0#1| 3)} assume !(main_~this_expect~0#1 > 16); {37219#(<= |ULTIMATE.start_main_~this_expect~0#1| 3)} is VALID [2022-02-20 16:07:55,887 INFO L290 TraceCheckUtils]: 74: Hoare triple {37219#(<= |ULTIMATE.start_main_~this_expect~0#1| 3)} assume !(0 == main_~q~0#1); {37219#(<= |ULTIMATE.start_main_~this_expect~0#1| 3)} is VALID [2022-02-20 16:07:55,887 INFO L290 TraceCheckUtils]: 75: Hoare triple {37219#(<= |ULTIMATE.start_main_~this_expect~0#1| 3)} assume !(1 == main_~q~0#1); {37219#(<= |ULTIMATE.start_main_~this_expect~0#1| 3)} is VALID [2022-02-20 16:07:55,887 INFO L290 TraceCheckUtils]: 76: Hoare triple {37219#(<= |ULTIMATE.start_main_~this_expect~0#1| 3)} assume !(2 == main_~q~0#1); {37219#(<= |ULTIMATE.start_main_~this_expect~0#1| 3)} is VALID [2022-02-20 16:07:55,888 INFO L290 TraceCheckUtils]: 77: Hoare triple {37219#(<= |ULTIMATE.start_main_~this_expect~0#1| 3)} assume !(3 == main_~q~0#1); {37219#(<= |ULTIMATE.start_main_~this_expect~0#1| 3)} is VALID [2022-02-20 16:07:55,888 INFO L290 TraceCheckUtils]: 78: Hoare triple {37219#(<= |ULTIMATE.start_main_~this_expect~0#1| 3)} assume 4 == main_~q~0#1;assume -2147483648 <= main_#t~nondet32#1 && main_#t~nondet32#1 <= 2147483647; {37219#(<= |ULTIMATE.start_main_~this_expect~0#1| 3)} is VALID [2022-02-20 16:07:55,888 INFO L290 TraceCheckUtils]: 79: Hoare triple {37219#(<= |ULTIMATE.start_main_~this_expect~0#1| 3)} assume !(0 != main_#t~nondet32#1);havoc main_#t~nondet32#1;assume -2147483648 <= main_#t~nondet33#1 && main_#t~nondet33#1 <= 2147483647; {37219#(<= |ULTIMATE.start_main_~this_expect~0#1| 3)} is VALID [2022-02-20 16:07:55,894 INFO L290 TraceCheckUtils]: 80: Hoare triple {37219#(<= |ULTIMATE.start_main_~this_expect~0#1| 3)} assume !(0 != main_#t~nondet33#1);havoc main_#t~nondet33#1;assume -2147483648 <= main_#t~nondet34#1 && main_#t~nondet34#1 <= 2147483647; {37219#(<= |ULTIMATE.start_main_~this_expect~0#1| 3)} is VALID [2022-02-20 16:07:55,894 INFO L290 TraceCheckUtils]: 81: Hoare triple {37219#(<= |ULTIMATE.start_main_~this_expect~0#1| 3)} assume !(0 != main_#t~nondet34#1);havoc main_#t~nondet34#1;assume -2147483648 <= main_#t~nondet35#1 && main_#t~nondet35#1 <= 2147483647; {37219#(<= |ULTIMATE.start_main_~this_expect~0#1| 3)} is VALID [2022-02-20 16:07:55,895 INFO L290 TraceCheckUtils]: 82: Hoare triple {37219#(<= |ULTIMATE.start_main_~this_expect~0#1| 3)} assume 0 != main_#t~nondet35#1;havoc main_#t~nondet35#1; {37219#(<= |ULTIMATE.start_main_~this_expect~0#1| 3)} is VALID [2022-02-20 16:07:55,895 INFO L290 TraceCheckUtils]: 83: Hoare triple {37219#(<= |ULTIMATE.start_main_~this_expect~0#1| 3)} assume 0 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2) && !(1 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2) && 0 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2));main_~method_id~0#1 := 5; {37219#(<= |ULTIMATE.start_main_~this_expect~0#1| 3)} is VALID [2022-02-20 16:07:55,896 INFO L290 TraceCheckUtils]: 84: Hoare triple {37219#(<= |ULTIMATE.start_main_~this_expect~0#1| 3)} assume !(((((if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2) != (if main_~this_expect~0#1 < 0 && 0 != main_~this_expect~0#1 % 2 then main_~this_expect~0#1 % 2 - 2 else main_~this_expect~0#1 % 2) && 1 == main_~this_buffer_empty~0#1) && 0 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2)) && 0 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2) && !(1 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2) && 0 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2))) || ((1 != main_~this_buffer_empty~0#1 && 0 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2)) && 0 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2) && !(1 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2) && 0 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2))));main_~q~0#1 := 5;main_~this_expect~0#1 := 1 + main_~this_expect~0#1;main_~this_buffer_empty~0#1 := 1 - main_~this_buffer_empty~0#1; {37220#(<= |ULTIMATE.start_main_~this_expect~0#1| 4)} is VALID [2022-02-20 16:07:55,896 INFO L290 TraceCheckUtils]: 85: Hoare triple {37220#(<= |ULTIMATE.start_main_~this_expect~0#1| 4)} assume !false;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_~P1~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647;main_~P2~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647;main_~P3~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;assume -2147483648 <= main_#t~nondet7#1 && main_#t~nondet7#1 <= 2147483647;main_~P4~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;assume -2147483648 <= main_#t~nondet8#1 && main_#t~nondet8#1 <= 2147483647;main_~P5~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647;main_~P6~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1;assume -2147483648 <= main_#t~nondet10#1 && main_#t~nondet10#1 <= 2147483647;main_~P7~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;assume -2147483648 <= main_#t~nondet11#1 && main_#t~nondet11#1 <= 2147483647;main_~P8~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;assume -2147483648 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 2147483647;main_~P9~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; {37220#(<= |ULTIMATE.start_main_~this_expect~0#1| 4)} is VALID [2022-02-20 16:07:55,896 INFO L290 TraceCheckUtils]: 86: Hoare triple {37220#(<= |ULTIMATE.start_main_~this_expect~0#1| 4)} assume !(main_~this_expect~0#1 > 16); {37220#(<= |ULTIMATE.start_main_~this_expect~0#1| 4)} is VALID [2022-02-20 16:07:55,897 INFO L290 TraceCheckUtils]: 87: Hoare triple {37220#(<= |ULTIMATE.start_main_~this_expect~0#1| 4)} assume !(0 == main_~q~0#1); {37220#(<= |ULTIMATE.start_main_~this_expect~0#1| 4)} is VALID [2022-02-20 16:07:55,897 INFO L290 TraceCheckUtils]: 88: Hoare triple {37220#(<= |ULTIMATE.start_main_~this_expect~0#1| 4)} assume !(1 == main_~q~0#1); {37220#(<= |ULTIMATE.start_main_~this_expect~0#1| 4)} is VALID [2022-02-20 16:07:55,897 INFO L290 TraceCheckUtils]: 89: Hoare triple {37220#(<= |ULTIMATE.start_main_~this_expect~0#1| 4)} assume !(2 == main_~q~0#1); {37220#(<= |ULTIMATE.start_main_~this_expect~0#1| 4)} is VALID [2022-02-20 16:07:55,898 INFO L290 TraceCheckUtils]: 90: Hoare triple {37220#(<= |ULTIMATE.start_main_~this_expect~0#1| 4)} assume !(3 == main_~q~0#1); {37220#(<= |ULTIMATE.start_main_~this_expect~0#1| 4)} is VALID [2022-02-20 16:07:55,898 INFO L290 TraceCheckUtils]: 91: Hoare triple {37220#(<= |ULTIMATE.start_main_~this_expect~0#1| 4)} assume !(4 == main_~q~0#1); {37220#(<= |ULTIMATE.start_main_~this_expect~0#1| 4)} is VALID [2022-02-20 16:07:55,898 INFO L290 TraceCheckUtils]: 92: Hoare triple {37220#(<= |ULTIMATE.start_main_~this_expect~0#1| 4)} assume 5 == main_~q~0#1;assume -2147483648 <= main_#t~nondet38#1 && main_#t~nondet38#1 <= 2147483647; {37220#(<= |ULTIMATE.start_main_~this_expect~0#1| 4)} is VALID [2022-02-20 16:07:55,898 INFO L290 TraceCheckUtils]: 93: Hoare triple {37220#(<= |ULTIMATE.start_main_~this_expect~0#1| 4)} assume !(0 != main_#t~nondet38#1);havoc main_#t~nondet38#1;assume -2147483648 <= main_#t~nondet39#1 && main_#t~nondet39#1 <= 2147483647; {37220#(<= |ULTIMATE.start_main_~this_expect~0#1| 4)} is VALID [2022-02-20 16:07:55,899 INFO L290 TraceCheckUtils]: 94: Hoare triple {37220#(<= |ULTIMATE.start_main_~this_expect~0#1| 4)} assume !(0 != main_#t~nondet39#1);havoc main_#t~nondet39#1;assume -2147483648 <= main_#t~nondet40#1 && main_#t~nondet40#1 <= 2147483647; {37220#(<= |ULTIMATE.start_main_~this_expect~0#1| 4)} is VALID [2022-02-20 16:07:55,899 INFO L290 TraceCheckUtils]: 95: Hoare triple {37220#(<= |ULTIMATE.start_main_~this_expect~0#1| 4)} assume !(0 != main_#t~nondet40#1);havoc main_#t~nondet40#1;assume -2147483648 <= main_#t~nondet41#1 && main_#t~nondet41#1 <= 2147483647; {37220#(<= |ULTIMATE.start_main_~this_expect~0#1| 4)} is VALID [2022-02-20 16:07:55,900 INFO L290 TraceCheckUtils]: 96: Hoare triple {37220#(<= |ULTIMATE.start_main_~this_expect~0#1| 4)} assume !(0 != main_#t~nondet41#1);havoc main_#t~nondet41#1;assume -2147483648 <= main_#t~nondet42#1 && main_#t~nondet42#1 <= 2147483647; {37220#(<= |ULTIMATE.start_main_~this_expect~0#1| 4)} is VALID [2022-02-20 16:07:55,900 INFO L290 TraceCheckUtils]: 97: Hoare triple {37220#(<= |ULTIMATE.start_main_~this_expect~0#1| 4)} assume !(0 != main_#t~nondet42#1);havoc main_#t~nondet42#1;assume -2147483648 <= main_#t~nondet43#1 && main_#t~nondet43#1 <= 2147483647; {37220#(<= |ULTIMATE.start_main_~this_expect~0#1| 4)} is VALID [2022-02-20 16:07:55,900 INFO L290 TraceCheckUtils]: 98: Hoare triple {37220#(<= |ULTIMATE.start_main_~this_expect~0#1| 4)} assume 0 != main_#t~nondet43#1;havoc main_#t~nondet43#1; {37220#(<= |ULTIMATE.start_main_~this_expect~0#1| 4)} is VALID [2022-02-20 16:07:55,901 INFO L290 TraceCheckUtils]: 99: Hoare triple {37220#(<= |ULTIMATE.start_main_~this_expect~0#1| 4)} assume 0 != main_~P1~0#1 && !(1 != main_~P1~0#1 && 0 != main_~P1~0#1);main_~method_id~0#1 := 7; {37220#(<= |ULTIMATE.start_main_~this_expect~0#1| 4)} is VALID [2022-02-20 16:07:55,901 INFO L290 TraceCheckUtils]: 100: Hoare triple {37220#(<= |ULTIMATE.start_main_~this_expect~0#1| 4)} assume !(((1 == main_~this_buffer_empty~0#1 && 0 != main_~P9~0#1) && 0 != main_~P9~0#1 && !(1 != main_~P9~0#1 && 0 != main_~P9~0#1)) || (((main_~P9~0#1 != (if main_~this_expect~0#1 - 1 < 0 && 0 != (main_~this_expect~0#1 - 1) % 2 then (main_~this_expect~0#1 - 1) % 2 - 2 else (main_~this_expect~0#1 - 1) % 2) && 1 != main_~this_buffer_empty~0#1) && 0 != main_~P9~0#1) && 0 != main_~P9~0#1 && !(1 != main_~P9~0#1 && 0 != main_~P9~0#1)));main_~q~0#1 := 1;main_~this_expect~0#1 := main_~this_expect~0#1;main_~this_buffer_empty~0#1 := 1 - main_~this_buffer_empty~0#1; {37220#(<= |ULTIMATE.start_main_~this_expect~0#1| 4)} is VALID [2022-02-20 16:07:55,902 INFO L290 TraceCheckUtils]: 101: Hoare triple {37220#(<= |ULTIMATE.start_main_~this_expect~0#1| 4)} assume !false;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_~P1~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647;main_~P2~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647;main_~P3~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;assume -2147483648 <= main_#t~nondet7#1 && main_#t~nondet7#1 <= 2147483647;main_~P4~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;assume -2147483648 <= main_#t~nondet8#1 && main_#t~nondet8#1 <= 2147483647;main_~P5~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647;main_~P6~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1;assume -2147483648 <= main_#t~nondet10#1 && main_#t~nondet10#1 <= 2147483647;main_~P7~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;assume -2147483648 <= main_#t~nondet11#1 && main_#t~nondet11#1 <= 2147483647;main_~P8~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;assume -2147483648 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 2147483647;main_~P9~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; {37220#(<= |ULTIMATE.start_main_~this_expect~0#1| 4)} is VALID [2022-02-20 16:07:55,902 INFO L290 TraceCheckUtils]: 102: Hoare triple {37220#(<= |ULTIMATE.start_main_~this_expect~0#1| 4)} assume !(main_~this_expect~0#1 > 16); {37220#(<= |ULTIMATE.start_main_~this_expect~0#1| 4)} is VALID [2022-02-20 16:07:55,902 INFO L290 TraceCheckUtils]: 103: Hoare triple {37220#(<= |ULTIMATE.start_main_~this_expect~0#1| 4)} assume !(0 == main_~q~0#1); {37220#(<= |ULTIMATE.start_main_~this_expect~0#1| 4)} is VALID [2022-02-20 16:07:55,903 INFO L290 TraceCheckUtils]: 104: Hoare triple {37220#(<= |ULTIMATE.start_main_~this_expect~0#1| 4)} assume 1 == main_~q~0#1;assume -2147483648 <= main_#t~nondet14#1 && main_#t~nondet14#1 <= 2147483647; {37220#(<= |ULTIMATE.start_main_~this_expect~0#1| 4)} is VALID [2022-02-20 16:07:55,903 INFO L290 TraceCheckUtils]: 105: Hoare triple {37220#(<= |ULTIMATE.start_main_~this_expect~0#1| 4)} assume 0 != main_#t~nondet14#1;havoc main_#t~nondet14#1; {37220#(<= |ULTIMATE.start_main_~this_expect~0#1| 4)} is VALID [2022-02-20 16:07:55,903 INFO L290 TraceCheckUtils]: 106: Hoare triple {37220#(<= |ULTIMATE.start_main_~this_expect~0#1| 4)} assume !(0 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2));main_~method_id~0#1 := 2; {37220#(<= |ULTIMATE.start_main_~this_expect~0#1| 4)} is VALID [2022-02-20 16:07:55,904 INFO L290 TraceCheckUtils]: 107: Hoare triple {37220#(<= |ULTIMATE.start_main_~this_expect~0#1| 4)} assume !((((if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2) != (if main_~this_expect~0#1 < 0 && 0 != main_~this_expect~0#1 % 2 then main_~this_expect~0#1 % 2 - 2 else main_~this_expect~0#1 % 2) && 1 == main_~this_buffer_empty~0#1) && !(0 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2))) || (1 != main_~this_buffer_empty~0#1 && !(0 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2))));main_~q~0#1 := 3;main_~this_expect~0#1 := 1 + main_~this_expect~0#1;main_~this_buffer_empty~0#1 := 1 - main_~this_buffer_empty~0#1; {37221#(<= |ULTIMATE.start_main_~this_expect~0#1| 5)} is VALID [2022-02-20 16:07:55,904 INFO L290 TraceCheckUtils]: 108: Hoare triple {37221#(<= |ULTIMATE.start_main_~this_expect~0#1| 5)} assume !false;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_~P1~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647;main_~P2~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647;main_~P3~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;assume -2147483648 <= main_#t~nondet7#1 && main_#t~nondet7#1 <= 2147483647;main_~P4~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;assume -2147483648 <= main_#t~nondet8#1 && main_#t~nondet8#1 <= 2147483647;main_~P5~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647;main_~P6~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1;assume -2147483648 <= main_#t~nondet10#1 && main_#t~nondet10#1 <= 2147483647;main_~P7~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;assume -2147483648 <= main_#t~nondet11#1 && main_#t~nondet11#1 <= 2147483647;main_~P8~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;assume -2147483648 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 2147483647;main_~P9~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; {37221#(<= |ULTIMATE.start_main_~this_expect~0#1| 5)} is VALID [2022-02-20 16:07:55,905 INFO L290 TraceCheckUtils]: 109: Hoare triple {37221#(<= |ULTIMATE.start_main_~this_expect~0#1| 5)} assume !(main_~this_expect~0#1 > 16); {37221#(<= |ULTIMATE.start_main_~this_expect~0#1| 5)} is VALID [2022-02-20 16:07:55,905 INFO L290 TraceCheckUtils]: 110: Hoare triple {37221#(<= |ULTIMATE.start_main_~this_expect~0#1| 5)} assume !(0 == main_~q~0#1); {37221#(<= |ULTIMATE.start_main_~this_expect~0#1| 5)} is VALID [2022-02-20 16:07:55,905 INFO L290 TraceCheckUtils]: 111: Hoare triple {37221#(<= |ULTIMATE.start_main_~this_expect~0#1| 5)} assume !(1 == main_~q~0#1); {37221#(<= |ULTIMATE.start_main_~this_expect~0#1| 5)} is VALID [2022-02-20 16:07:55,906 INFO L290 TraceCheckUtils]: 112: Hoare triple {37221#(<= |ULTIMATE.start_main_~this_expect~0#1| 5)} assume !(2 == main_~q~0#1); {37221#(<= |ULTIMATE.start_main_~this_expect~0#1| 5)} is VALID [2022-02-20 16:07:55,906 INFO L290 TraceCheckUtils]: 113: Hoare triple {37221#(<= |ULTIMATE.start_main_~this_expect~0#1| 5)} assume 3 == main_~q~0#1;assume -2147483648 <= main_#t~nondet26#1 && main_#t~nondet26#1 <= 2147483647; {37221#(<= |ULTIMATE.start_main_~this_expect~0#1| 5)} is VALID [2022-02-20 16:07:55,906 INFO L290 TraceCheckUtils]: 114: Hoare triple {37221#(<= |ULTIMATE.start_main_~this_expect~0#1| 5)} assume !(0 != main_#t~nondet26#1);havoc main_#t~nondet26#1;assume -2147483648 <= main_#t~nondet27#1 && main_#t~nondet27#1 <= 2147483647; {37221#(<= |ULTIMATE.start_main_~this_expect~0#1| 5)} is VALID [2022-02-20 16:07:55,907 INFO L290 TraceCheckUtils]: 115: Hoare triple {37221#(<= |ULTIMATE.start_main_~this_expect~0#1| 5)} assume 0 != main_#t~nondet27#1;havoc main_#t~nondet27#1; {37221#(<= |ULTIMATE.start_main_~this_expect~0#1| 5)} is VALID [2022-02-20 16:07:55,907 INFO L290 TraceCheckUtils]: 116: Hoare triple {37221#(<= |ULTIMATE.start_main_~this_expect~0#1| 5)} assume !(0 != main_~P1~0#1);main_~method_id~0#1 := 3; {37221#(<= |ULTIMATE.start_main_~this_expect~0#1| 5)} is VALID [2022-02-20 16:07:55,907 INFO L290 TraceCheckUtils]: 117: Hoare triple {37221#(<= |ULTIMATE.start_main_~this_expect~0#1| 5)} assume !((1 == main_~this_buffer_empty~0#1 && !(0 != main_~P3~0#1)) || ((main_~P3~0#1 != (if main_~this_expect~0#1 - 1 < 0 && 0 != (main_~this_expect~0#1 - 1) % 2 then (main_~this_expect~0#1 - 1) % 2 - 2 else (main_~this_expect~0#1 - 1) % 2) && 1 != main_~this_buffer_empty~0#1) && !(0 != main_~P3~0#1)));main_~q~0#1 := 4;main_~this_expect~0#1 := main_~this_expect~0#1;main_~this_buffer_empty~0#1 := 1 - main_~this_buffer_empty~0#1; {37221#(<= |ULTIMATE.start_main_~this_expect~0#1| 5)} is VALID [2022-02-20 16:07:55,908 INFO L290 TraceCheckUtils]: 118: Hoare triple {37221#(<= |ULTIMATE.start_main_~this_expect~0#1| 5)} assume !false;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_~P1~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647;main_~P2~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647;main_~P3~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;assume -2147483648 <= main_#t~nondet7#1 && main_#t~nondet7#1 <= 2147483647;main_~P4~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;assume -2147483648 <= main_#t~nondet8#1 && main_#t~nondet8#1 <= 2147483647;main_~P5~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647;main_~P6~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1;assume -2147483648 <= main_#t~nondet10#1 && main_#t~nondet10#1 <= 2147483647;main_~P7~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;assume -2147483648 <= main_#t~nondet11#1 && main_#t~nondet11#1 <= 2147483647;main_~P8~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;assume -2147483648 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 2147483647;main_~P9~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; {37221#(<= |ULTIMATE.start_main_~this_expect~0#1| 5)} is VALID [2022-02-20 16:07:55,908 INFO L290 TraceCheckUtils]: 119: Hoare triple {37221#(<= |ULTIMATE.start_main_~this_expect~0#1| 5)} assume !(main_~this_expect~0#1 > 16); {37221#(<= |ULTIMATE.start_main_~this_expect~0#1| 5)} is VALID [2022-02-20 16:07:55,908 INFO L290 TraceCheckUtils]: 120: Hoare triple {37221#(<= |ULTIMATE.start_main_~this_expect~0#1| 5)} assume !(0 == main_~q~0#1); {37221#(<= |ULTIMATE.start_main_~this_expect~0#1| 5)} is VALID [2022-02-20 16:07:55,909 INFO L290 TraceCheckUtils]: 121: Hoare triple {37221#(<= |ULTIMATE.start_main_~this_expect~0#1| 5)} assume !(1 == main_~q~0#1); {37221#(<= |ULTIMATE.start_main_~this_expect~0#1| 5)} is VALID [2022-02-20 16:07:55,909 INFO L290 TraceCheckUtils]: 122: Hoare triple {37221#(<= |ULTIMATE.start_main_~this_expect~0#1| 5)} assume !(2 == main_~q~0#1); {37221#(<= |ULTIMATE.start_main_~this_expect~0#1| 5)} is VALID [2022-02-20 16:07:55,909 INFO L290 TraceCheckUtils]: 123: Hoare triple {37221#(<= |ULTIMATE.start_main_~this_expect~0#1| 5)} assume !(3 == main_~q~0#1); {37221#(<= |ULTIMATE.start_main_~this_expect~0#1| 5)} is VALID [2022-02-20 16:07:55,910 INFO L290 TraceCheckUtils]: 124: Hoare triple {37221#(<= |ULTIMATE.start_main_~this_expect~0#1| 5)} assume 4 == main_~q~0#1;assume -2147483648 <= main_#t~nondet32#1 && main_#t~nondet32#1 <= 2147483647; {37221#(<= |ULTIMATE.start_main_~this_expect~0#1| 5)} is VALID [2022-02-20 16:07:55,910 INFO L290 TraceCheckUtils]: 125: Hoare triple {37221#(<= |ULTIMATE.start_main_~this_expect~0#1| 5)} assume !(0 != main_#t~nondet32#1);havoc main_#t~nondet32#1;assume -2147483648 <= main_#t~nondet33#1 && main_#t~nondet33#1 <= 2147483647; {37221#(<= |ULTIMATE.start_main_~this_expect~0#1| 5)} is VALID [2022-02-20 16:07:55,910 INFO L290 TraceCheckUtils]: 126: Hoare triple {37221#(<= |ULTIMATE.start_main_~this_expect~0#1| 5)} assume !(0 != main_#t~nondet33#1);havoc main_#t~nondet33#1;assume -2147483648 <= main_#t~nondet34#1 && main_#t~nondet34#1 <= 2147483647; {37221#(<= |ULTIMATE.start_main_~this_expect~0#1| 5)} is VALID [2022-02-20 16:07:55,911 INFO L290 TraceCheckUtils]: 127: Hoare triple {37221#(<= |ULTIMATE.start_main_~this_expect~0#1| 5)} assume !(0 != main_#t~nondet34#1);havoc main_#t~nondet34#1;assume -2147483648 <= main_#t~nondet35#1 && main_#t~nondet35#1 <= 2147483647; {37221#(<= |ULTIMATE.start_main_~this_expect~0#1| 5)} is VALID [2022-02-20 16:07:55,911 INFO L290 TraceCheckUtils]: 128: Hoare triple {37221#(<= |ULTIMATE.start_main_~this_expect~0#1| 5)} assume 0 != main_#t~nondet35#1;havoc main_#t~nondet35#1; {37221#(<= |ULTIMATE.start_main_~this_expect~0#1| 5)} is VALID [2022-02-20 16:07:55,911 INFO L290 TraceCheckUtils]: 129: Hoare triple {37221#(<= |ULTIMATE.start_main_~this_expect~0#1| 5)} assume 0 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2) && !(1 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2) && 0 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2));main_~method_id~0#1 := 5; {37221#(<= |ULTIMATE.start_main_~this_expect~0#1| 5)} is VALID [2022-02-20 16:07:55,912 INFO L290 TraceCheckUtils]: 130: Hoare triple {37221#(<= |ULTIMATE.start_main_~this_expect~0#1| 5)} assume !(((((if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2) != (if main_~this_expect~0#1 < 0 && 0 != main_~this_expect~0#1 % 2 then main_~this_expect~0#1 % 2 - 2 else main_~this_expect~0#1 % 2) && 1 == main_~this_buffer_empty~0#1) && 0 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2)) && 0 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2) && !(1 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2) && 0 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2))) || ((1 != main_~this_buffer_empty~0#1 && 0 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2)) && 0 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2) && !(1 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2) && 0 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2))));main_~q~0#1 := 5;main_~this_expect~0#1 := 1 + main_~this_expect~0#1;main_~this_buffer_empty~0#1 := 1 - main_~this_buffer_empty~0#1; {37222#(<= |ULTIMATE.start_main_~this_expect~0#1| 6)} is VALID [2022-02-20 16:07:55,912 INFO L290 TraceCheckUtils]: 131: Hoare triple {37222#(<= |ULTIMATE.start_main_~this_expect~0#1| 6)} assume !false;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_~P1~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647;main_~P2~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647;main_~P3~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;assume -2147483648 <= main_#t~nondet7#1 && main_#t~nondet7#1 <= 2147483647;main_~P4~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;assume -2147483648 <= main_#t~nondet8#1 && main_#t~nondet8#1 <= 2147483647;main_~P5~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647;main_~P6~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1;assume -2147483648 <= main_#t~nondet10#1 && main_#t~nondet10#1 <= 2147483647;main_~P7~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;assume -2147483648 <= main_#t~nondet11#1 && main_#t~nondet11#1 <= 2147483647;main_~P8~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;assume -2147483648 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 2147483647;main_~P9~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; {37222#(<= |ULTIMATE.start_main_~this_expect~0#1| 6)} is VALID [2022-02-20 16:07:55,913 INFO L290 TraceCheckUtils]: 132: Hoare triple {37222#(<= |ULTIMATE.start_main_~this_expect~0#1| 6)} assume !(main_~this_expect~0#1 > 16); {37222#(<= |ULTIMATE.start_main_~this_expect~0#1| 6)} is VALID [2022-02-20 16:07:55,913 INFO L290 TraceCheckUtils]: 133: Hoare triple {37222#(<= |ULTIMATE.start_main_~this_expect~0#1| 6)} assume !(0 == main_~q~0#1); {37222#(<= |ULTIMATE.start_main_~this_expect~0#1| 6)} is VALID [2022-02-20 16:07:55,913 INFO L290 TraceCheckUtils]: 134: Hoare triple {37222#(<= |ULTIMATE.start_main_~this_expect~0#1| 6)} assume !(1 == main_~q~0#1); {37222#(<= |ULTIMATE.start_main_~this_expect~0#1| 6)} is VALID [2022-02-20 16:07:55,914 INFO L290 TraceCheckUtils]: 135: Hoare triple {37222#(<= |ULTIMATE.start_main_~this_expect~0#1| 6)} assume !(2 == main_~q~0#1); {37222#(<= |ULTIMATE.start_main_~this_expect~0#1| 6)} is VALID [2022-02-20 16:07:55,914 INFO L290 TraceCheckUtils]: 136: Hoare triple {37222#(<= |ULTIMATE.start_main_~this_expect~0#1| 6)} assume !(3 == main_~q~0#1); {37222#(<= |ULTIMATE.start_main_~this_expect~0#1| 6)} is VALID [2022-02-20 16:07:55,914 INFO L290 TraceCheckUtils]: 137: Hoare triple {37222#(<= |ULTIMATE.start_main_~this_expect~0#1| 6)} assume !(4 == main_~q~0#1); {37222#(<= |ULTIMATE.start_main_~this_expect~0#1| 6)} is VALID [2022-02-20 16:07:55,914 INFO L290 TraceCheckUtils]: 138: Hoare triple {37222#(<= |ULTIMATE.start_main_~this_expect~0#1| 6)} assume 5 == main_~q~0#1;assume -2147483648 <= main_#t~nondet38#1 && main_#t~nondet38#1 <= 2147483647; {37222#(<= |ULTIMATE.start_main_~this_expect~0#1| 6)} is VALID [2022-02-20 16:07:55,915 INFO L290 TraceCheckUtils]: 139: Hoare triple {37222#(<= |ULTIMATE.start_main_~this_expect~0#1| 6)} assume !(0 != main_#t~nondet38#1);havoc main_#t~nondet38#1;assume -2147483648 <= main_#t~nondet39#1 && main_#t~nondet39#1 <= 2147483647; {37222#(<= |ULTIMATE.start_main_~this_expect~0#1| 6)} is VALID [2022-02-20 16:07:55,915 INFO L290 TraceCheckUtils]: 140: Hoare triple {37222#(<= |ULTIMATE.start_main_~this_expect~0#1| 6)} assume !(0 != main_#t~nondet39#1);havoc main_#t~nondet39#1;assume -2147483648 <= main_#t~nondet40#1 && main_#t~nondet40#1 <= 2147483647; {37222#(<= |ULTIMATE.start_main_~this_expect~0#1| 6)} is VALID [2022-02-20 16:07:55,915 INFO L290 TraceCheckUtils]: 141: Hoare triple {37222#(<= |ULTIMATE.start_main_~this_expect~0#1| 6)} assume !(0 != main_#t~nondet40#1);havoc main_#t~nondet40#1;assume -2147483648 <= main_#t~nondet41#1 && main_#t~nondet41#1 <= 2147483647; {37222#(<= |ULTIMATE.start_main_~this_expect~0#1| 6)} is VALID [2022-02-20 16:07:55,916 INFO L290 TraceCheckUtils]: 142: Hoare triple {37222#(<= |ULTIMATE.start_main_~this_expect~0#1| 6)} assume !(0 != main_#t~nondet41#1);havoc main_#t~nondet41#1;assume -2147483648 <= main_#t~nondet42#1 && main_#t~nondet42#1 <= 2147483647; {37222#(<= |ULTIMATE.start_main_~this_expect~0#1| 6)} is VALID [2022-02-20 16:07:55,916 INFO L290 TraceCheckUtils]: 143: Hoare triple {37222#(<= |ULTIMATE.start_main_~this_expect~0#1| 6)} assume !(0 != main_#t~nondet42#1);havoc main_#t~nondet42#1;assume -2147483648 <= main_#t~nondet43#1 && main_#t~nondet43#1 <= 2147483647; {37222#(<= |ULTIMATE.start_main_~this_expect~0#1| 6)} is VALID [2022-02-20 16:07:55,916 INFO L290 TraceCheckUtils]: 144: Hoare triple {37222#(<= |ULTIMATE.start_main_~this_expect~0#1| 6)} assume 0 != main_#t~nondet43#1;havoc main_#t~nondet43#1; {37222#(<= |ULTIMATE.start_main_~this_expect~0#1| 6)} is VALID [2022-02-20 16:07:55,917 INFO L290 TraceCheckUtils]: 145: Hoare triple {37222#(<= |ULTIMATE.start_main_~this_expect~0#1| 6)} assume 0 != main_~P1~0#1 && !(1 != main_~P1~0#1 && 0 != main_~P1~0#1);main_~method_id~0#1 := 7; {37222#(<= |ULTIMATE.start_main_~this_expect~0#1| 6)} is VALID [2022-02-20 16:07:55,917 INFO L290 TraceCheckUtils]: 146: Hoare triple {37222#(<= |ULTIMATE.start_main_~this_expect~0#1| 6)} assume !(((1 == main_~this_buffer_empty~0#1 && 0 != main_~P9~0#1) && 0 != main_~P9~0#1 && !(1 != main_~P9~0#1 && 0 != main_~P9~0#1)) || (((main_~P9~0#1 != (if main_~this_expect~0#1 - 1 < 0 && 0 != (main_~this_expect~0#1 - 1) % 2 then (main_~this_expect~0#1 - 1) % 2 - 2 else (main_~this_expect~0#1 - 1) % 2) && 1 != main_~this_buffer_empty~0#1) && 0 != main_~P9~0#1) && 0 != main_~P9~0#1 && !(1 != main_~P9~0#1 && 0 != main_~P9~0#1)));main_~q~0#1 := 1;main_~this_expect~0#1 := main_~this_expect~0#1;main_~this_buffer_empty~0#1 := 1 - main_~this_buffer_empty~0#1; {37222#(<= |ULTIMATE.start_main_~this_expect~0#1| 6)} is VALID [2022-02-20 16:07:55,917 INFO L290 TraceCheckUtils]: 147: Hoare triple {37222#(<= |ULTIMATE.start_main_~this_expect~0#1| 6)} assume !false;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_~P1~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647;main_~P2~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647;main_~P3~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;assume -2147483648 <= main_#t~nondet7#1 && main_#t~nondet7#1 <= 2147483647;main_~P4~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;assume -2147483648 <= main_#t~nondet8#1 && main_#t~nondet8#1 <= 2147483647;main_~P5~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647;main_~P6~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1;assume -2147483648 <= main_#t~nondet10#1 && main_#t~nondet10#1 <= 2147483647;main_~P7~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;assume -2147483648 <= main_#t~nondet11#1 && main_#t~nondet11#1 <= 2147483647;main_~P8~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;assume -2147483648 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 2147483647;main_~P9~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; {37222#(<= |ULTIMATE.start_main_~this_expect~0#1| 6)} is VALID [2022-02-20 16:07:55,918 INFO L290 TraceCheckUtils]: 148: Hoare triple {37222#(<= |ULTIMATE.start_main_~this_expect~0#1| 6)} assume !(main_~this_expect~0#1 > 16); {37222#(<= |ULTIMATE.start_main_~this_expect~0#1| 6)} is VALID [2022-02-20 16:07:55,918 INFO L290 TraceCheckUtils]: 149: Hoare triple {37222#(<= |ULTIMATE.start_main_~this_expect~0#1| 6)} assume !(0 == main_~q~0#1); {37222#(<= |ULTIMATE.start_main_~this_expect~0#1| 6)} is VALID [2022-02-20 16:07:55,918 INFO L290 TraceCheckUtils]: 150: Hoare triple {37222#(<= |ULTIMATE.start_main_~this_expect~0#1| 6)} assume 1 == main_~q~0#1;assume -2147483648 <= main_#t~nondet14#1 && main_#t~nondet14#1 <= 2147483647; {37222#(<= |ULTIMATE.start_main_~this_expect~0#1| 6)} is VALID [2022-02-20 16:07:55,919 INFO L290 TraceCheckUtils]: 151: Hoare triple {37222#(<= |ULTIMATE.start_main_~this_expect~0#1| 6)} assume 0 != main_#t~nondet14#1;havoc main_#t~nondet14#1; {37222#(<= |ULTIMATE.start_main_~this_expect~0#1| 6)} is VALID [2022-02-20 16:07:55,919 INFO L290 TraceCheckUtils]: 152: Hoare triple {37222#(<= |ULTIMATE.start_main_~this_expect~0#1| 6)} assume !(0 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2));main_~method_id~0#1 := 2; {37222#(<= |ULTIMATE.start_main_~this_expect~0#1| 6)} is VALID [2022-02-20 16:07:55,920 INFO L290 TraceCheckUtils]: 153: Hoare triple {37222#(<= |ULTIMATE.start_main_~this_expect~0#1| 6)} assume !((((if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2) != (if main_~this_expect~0#1 < 0 && 0 != main_~this_expect~0#1 % 2 then main_~this_expect~0#1 % 2 - 2 else main_~this_expect~0#1 % 2) && 1 == main_~this_buffer_empty~0#1) && !(0 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2))) || (1 != main_~this_buffer_empty~0#1 && !(0 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2))));main_~q~0#1 := 3;main_~this_expect~0#1 := 1 + main_~this_expect~0#1;main_~this_buffer_empty~0#1 := 1 - main_~this_buffer_empty~0#1; {37223#(<= |ULTIMATE.start_main_~this_expect~0#1| 7)} is VALID [2022-02-20 16:07:55,920 INFO L290 TraceCheckUtils]: 154: Hoare triple {37223#(<= |ULTIMATE.start_main_~this_expect~0#1| 7)} assume !false;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_~P1~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647;main_~P2~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647;main_~P3~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;assume -2147483648 <= main_#t~nondet7#1 && main_#t~nondet7#1 <= 2147483647;main_~P4~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;assume -2147483648 <= main_#t~nondet8#1 && main_#t~nondet8#1 <= 2147483647;main_~P5~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647;main_~P6~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1;assume -2147483648 <= main_#t~nondet10#1 && main_#t~nondet10#1 <= 2147483647;main_~P7~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;assume -2147483648 <= main_#t~nondet11#1 && main_#t~nondet11#1 <= 2147483647;main_~P8~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;assume -2147483648 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 2147483647;main_~P9~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; {37223#(<= |ULTIMATE.start_main_~this_expect~0#1| 7)} is VALID [2022-02-20 16:07:55,920 INFO L290 TraceCheckUtils]: 155: Hoare triple {37223#(<= |ULTIMATE.start_main_~this_expect~0#1| 7)} assume !(main_~this_expect~0#1 > 16); {37223#(<= |ULTIMATE.start_main_~this_expect~0#1| 7)} is VALID [2022-02-20 16:07:55,921 INFO L290 TraceCheckUtils]: 156: Hoare triple {37223#(<= |ULTIMATE.start_main_~this_expect~0#1| 7)} assume !(0 == main_~q~0#1); {37223#(<= |ULTIMATE.start_main_~this_expect~0#1| 7)} is VALID [2022-02-20 16:07:55,921 INFO L290 TraceCheckUtils]: 157: Hoare triple {37223#(<= |ULTIMATE.start_main_~this_expect~0#1| 7)} assume !(1 == main_~q~0#1); {37223#(<= |ULTIMATE.start_main_~this_expect~0#1| 7)} is VALID [2022-02-20 16:07:55,921 INFO L290 TraceCheckUtils]: 158: Hoare triple {37223#(<= |ULTIMATE.start_main_~this_expect~0#1| 7)} assume !(2 == main_~q~0#1); {37223#(<= |ULTIMATE.start_main_~this_expect~0#1| 7)} is VALID [2022-02-20 16:07:55,922 INFO L290 TraceCheckUtils]: 159: Hoare triple {37223#(<= |ULTIMATE.start_main_~this_expect~0#1| 7)} assume 3 == main_~q~0#1;assume -2147483648 <= main_#t~nondet26#1 && main_#t~nondet26#1 <= 2147483647; {37223#(<= |ULTIMATE.start_main_~this_expect~0#1| 7)} is VALID [2022-02-20 16:07:55,922 INFO L290 TraceCheckUtils]: 160: Hoare triple {37223#(<= |ULTIMATE.start_main_~this_expect~0#1| 7)} assume !(0 != main_#t~nondet26#1);havoc main_#t~nondet26#1;assume -2147483648 <= main_#t~nondet27#1 && main_#t~nondet27#1 <= 2147483647; {37223#(<= |ULTIMATE.start_main_~this_expect~0#1| 7)} is VALID [2022-02-20 16:07:55,922 INFO L290 TraceCheckUtils]: 161: Hoare triple {37223#(<= |ULTIMATE.start_main_~this_expect~0#1| 7)} assume 0 != main_#t~nondet27#1;havoc main_#t~nondet27#1; {37223#(<= |ULTIMATE.start_main_~this_expect~0#1| 7)} is VALID [2022-02-20 16:07:55,923 INFO L290 TraceCheckUtils]: 162: Hoare triple {37223#(<= |ULTIMATE.start_main_~this_expect~0#1| 7)} assume !(0 != main_~P1~0#1);main_~method_id~0#1 := 3; {37223#(<= |ULTIMATE.start_main_~this_expect~0#1| 7)} is VALID [2022-02-20 16:07:55,923 INFO L290 TraceCheckUtils]: 163: Hoare triple {37223#(<= |ULTIMATE.start_main_~this_expect~0#1| 7)} assume !((1 == main_~this_buffer_empty~0#1 && !(0 != main_~P3~0#1)) || ((main_~P3~0#1 != (if main_~this_expect~0#1 - 1 < 0 && 0 != (main_~this_expect~0#1 - 1) % 2 then (main_~this_expect~0#1 - 1) % 2 - 2 else (main_~this_expect~0#1 - 1) % 2) && 1 != main_~this_buffer_empty~0#1) && !(0 != main_~P3~0#1)));main_~q~0#1 := 4;main_~this_expect~0#1 := main_~this_expect~0#1;main_~this_buffer_empty~0#1 := 1 - main_~this_buffer_empty~0#1; {37223#(<= |ULTIMATE.start_main_~this_expect~0#1| 7)} is VALID [2022-02-20 16:07:55,923 INFO L290 TraceCheckUtils]: 164: Hoare triple {37223#(<= |ULTIMATE.start_main_~this_expect~0#1| 7)} assume !false;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_~P1~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647;main_~P2~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647;main_~P3~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;assume -2147483648 <= main_#t~nondet7#1 && main_#t~nondet7#1 <= 2147483647;main_~P4~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;assume -2147483648 <= main_#t~nondet8#1 && main_#t~nondet8#1 <= 2147483647;main_~P5~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647;main_~P6~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1;assume -2147483648 <= main_#t~nondet10#1 && main_#t~nondet10#1 <= 2147483647;main_~P7~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;assume -2147483648 <= main_#t~nondet11#1 && main_#t~nondet11#1 <= 2147483647;main_~P8~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;assume -2147483648 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 2147483647;main_~P9~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; {37223#(<= |ULTIMATE.start_main_~this_expect~0#1| 7)} is VALID [2022-02-20 16:07:55,924 INFO L290 TraceCheckUtils]: 165: Hoare triple {37223#(<= |ULTIMATE.start_main_~this_expect~0#1| 7)} assume !(main_~this_expect~0#1 > 16); {37223#(<= |ULTIMATE.start_main_~this_expect~0#1| 7)} is VALID [2022-02-20 16:07:55,924 INFO L290 TraceCheckUtils]: 166: Hoare triple {37223#(<= |ULTIMATE.start_main_~this_expect~0#1| 7)} assume !(0 == main_~q~0#1); {37223#(<= |ULTIMATE.start_main_~this_expect~0#1| 7)} is VALID [2022-02-20 16:07:55,924 INFO L290 TraceCheckUtils]: 167: Hoare triple {37223#(<= |ULTIMATE.start_main_~this_expect~0#1| 7)} assume !(1 == main_~q~0#1); {37223#(<= |ULTIMATE.start_main_~this_expect~0#1| 7)} is VALID [2022-02-20 16:07:55,924 INFO L290 TraceCheckUtils]: 168: Hoare triple {37223#(<= |ULTIMATE.start_main_~this_expect~0#1| 7)} assume !(2 == main_~q~0#1); {37223#(<= |ULTIMATE.start_main_~this_expect~0#1| 7)} is VALID [2022-02-20 16:07:55,925 INFO L290 TraceCheckUtils]: 169: Hoare triple {37223#(<= |ULTIMATE.start_main_~this_expect~0#1| 7)} assume !(3 == main_~q~0#1); {37223#(<= |ULTIMATE.start_main_~this_expect~0#1| 7)} is VALID [2022-02-20 16:07:55,925 INFO L290 TraceCheckUtils]: 170: Hoare triple {37223#(<= |ULTIMATE.start_main_~this_expect~0#1| 7)} assume 4 == main_~q~0#1;assume -2147483648 <= main_#t~nondet32#1 && main_#t~nondet32#1 <= 2147483647; {37223#(<= |ULTIMATE.start_main_~this_expect~0#1| 7)} is VALID [2022-02-20 16:07:55,925 INFO L290 TraceCheckUtils]: 171: Hoare triple {37223#(<= |ULTIMATE.start_main_~this_expect~0#1| 7)} assume !(0 != main_#t~nondet32#1);havoc main_#t~nondet32#1;assume -2147483648 <= main_#t~nondet33#1 && main_#t~nondet33#1 <= 2147483647; {37223#(<= |ULTIMATE.start_main_~this_expect~0#1| 7)} is VALID [2022-02-20 16:07:55,925 INFO L290 TraceCheckUtils]: 172: Hoare triple {37223#(<= |ULTIMATE.start_main_~this_expect~0#1| 7)} assume !(0 != main_#t~nondet33#1);havoc main_#t~nondet33#1;assume -2147483648 <= main_#t~nondet34#1 && main_#t~nondet34#1 <= 2147483647; {37223#(<= |ULTIMATE.start_main_~this_expect~0#1| 7)} is VALID [2022-02-20 16:07:55,926 INFO L290 TraceCheckUtils]: 173: Hoare triple {37223#(<= |ULTIMATE.start_main_~this_expect~0#1| 7)} assume !(0 != main_#t~nondet34#1);havoc main_#t~nondet34#1;assume -2147483648 <= main_#t~nondet35#1 && main_#t~nondet35#1 <= 2147483647; {37223#(<= |ULTIMATE.start_main_~this_expect~0#1| 7)} is VALID [2022-02-20 16:07:55,926 INFO L290 TraceCheckUtils]: 174: Hoare triple {37223#(<= |ULTIMATE.start_main_~this_expect~0#1| 7)} assume 0 != main_#t~nondet35#1;havoc main_#t~nondet35#1; {37223#(<= |ULTIMATE.start_main_~this_expect~0#1| 7)} is VALID [2022-02-20 16:07:55,926 INFO L290 TraceCheckUtils]: 175: Hoare triple {37223#(<= |ULTIMATE.start_main_~this_expect~0#1| 7)} assume 0 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2) && !(1 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2) && 0 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2));main_~method_id~0#1 := 5; {37223#(<= |ULTIMATE.start_main_~this_expect~0#1| 7)} is VALID [2022-02-20 16:07:55,927 INFO L290 TraceCheckUtils]: 176: Hoare triple {37223#(<= |ULTIMATE.start_main_~this_expect~0#1| 7)} assume !(((((if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2) != (if main_~this_expect~0#1 < 0 && 0 != main_~this_expect~0#1 % 2 then main_~this_expect~0#1 % 2 - 2 else main_~this_expect~0#1 % 2) && 1 == main_~this_buffer_empty~0#1) && 0 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2)) && 0 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2) && !(1 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2) && 0 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2))) || ((1 != main_~this_buffer_empty~0#1 && 0 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2)) && 0 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2) && !(1 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2) && 0 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2))));main_~q~0#1 := 5;main_~this_expect~0#1 := 1 + main_~this_expect~0#1;main_~this_buffer_empty~0#1 := 1 - main_~this_buffer_empty~0#1; {37224#(<= |ULTIMATE.start_main_~this_expect~0#1| 8)} is VALID [2022-02-20 16:07:55,927 INFO L290 TraceCheckUtils]: 177: Hoare triple {37224#(<= |ULTIMATE.start_main_~this_expect~0#1| 8)} assume !false;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_~P1~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647;main_~P2~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647;main_~P3~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;assume -2147483648 <= main_#t~nondet7#1 && main_#t~nondet7#1 <= 2147483647;main_~P4~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;assume -2147483648 <= main_#t~nondet8#1 && main_#t~nondet8#1 <= 2147483647;main_~P5~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647;main_~P6~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1;assume -2147483648 <= main_#t~nondet10#1 && main_#t~nondet10#1 <= 2147483647;main_~P7~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;assume -2147483648 <= main_#t~nondet11#1 && main_#t~nondet11#1 <= 2147483647;main_~P8~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;assume -2147483648 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 2147483647;main_~P9~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; {37224#(<= |ULTIMATE.start_main_~this_expect~0#1| 8)} is VALID [2022-02-20 16:07:55,928 INFO L290 TraceCheckUtils]: 178: Hoare triple {37224#(<= |ULTIMATE.start_main_~this_expect~0#1| 8)} assume !(main_~this_expect~0#1 > 16); {37224#(<= |ULTIMATE.start_main_~this_expect~0#1| 8)} is VALID [2022-02-20 16:07:55,928 INFO L290 TraceCheckUtils]: 179: Hoare triple {37224#(<= |ULTIMATE.start_main_~this_expect~0#1| 8)} assume !(0 == main_~q~0#1); {37224#(<= |ULTIMATE.start_main_~this_expect~0#1| 8)} is VALID [2022-02-20 16:07:55,928 INFO L290 TraceCheckUtils]: 180: Hoare triple {37224#(<= |ULTIMATE.start_main_~this_expect~0#1| 8)} assume !(1 == main_~q~0#1); {37224#(<= |ULTIMATE.start_main_~this_expect~0#1| 8)} is VALID [2022-02-20 16:07:55,928 INFO L290 TraceCheckUtils]: 181: Hoare triple {37224#(<= |ULTIMATE.start_main_~this_expect~0#1| 8)} assume !(2 == main_~q~0#1); {37224#(<= |ULTIMATE.start_main_~this_expect~0#1| 8)} is VALID [2022-02-20 16:07:55,929 INFO L290 TraceCheckUtils]: 182: Hoare triple {37224#(<= |ULTIMATE.start_main_~this_expect~0#1| 8)} assume !(3 == main_~q~0#1); {37224#(<= |ULTIMATE.start_main_~this_expect~0#1| 8)} is VALID [2022-02-20 16:07:55,929 INFO L290 TraceCheckUtils]: 183: Hoare triple {37224#(<= |ULTIMATE.start_main_~this_expect~0#1| 8)} assume !(4 == main_~q~0#1); {37224#(<= |ULTIMATE.start_main_~this_expect~0#1| 8)} is VALID [2022-02-20 16:07:55,929 INFO L290 TraceCheckUtils]: 184: Hoare triple {37224#(<= |ULTIMATE.start_main_~this_expect~0#1| 8)} assume 5 == main_~q~0#1;assume -2147483648 <= main_#t~nondet38#1 && main_#t~nondet38#1 <= 2147483647; {37224#(<= |ULTIMATE.start_main_~this_expect~0#1| 8)} is VALID [2022-02-20 16:07:55,929 INFO L290 TraceCheckUtils]: 185: Hoare triple {37224#(<= |ULTIMATE.start_main_~this_expect~0#1| 8)} assume !(0 != main_#t~nondet38#1);havoc main_#t~nondet38#1;assume -2147483648 <= main_#t~nondet39#1 && main_#t~nondet39#1 <= 2147483647; {37224#(<= |ULTIMATE.start_main_~this_expect~0#1| 8)} is VALID [2022-02-20 16:07:55,930 INFO L290 TraceCheckUtils]: 186: Hoare triple {37224#(<= |ULTIMATE.start_main_~this_expect~0#1| 8)} assume !(0 != main_#t~nondet39#1);havoc main_#t~nondet39#1;assume -2147483648 <= main_#t~nondet40#1 && main_#t~nondet40#1 <= 2147483647; {37224#(<= |ULTIMATE.start_main_~this_expect~0#1| 8)} is VALID [2022-02-20 16:07:55,930 INFO L290 TraceCheckUtils]: 187: Hoare triple {37224#(<= |ULTIMATE.start_main_~this_expect~0#1| 8)} assume !(0 != main_#t~nondet40#1);havoc main_#t~nondet40#1;assume -2147483648 <= main_#t~nondet41#1 && main_#t~nondet41#1 <= 2147483647; {37224#(<= |ULTIMATE.start_main_~this_expect~0#1| 8)} is VALID [2022-02-20 16:07:55,930 INFO L290 TraceCheckUtils]: 188: Hoare triple {37224#(<= |ULTIMATE.start_main_~this_expect~0#1| 8)} assume !(0 != main_#t~nondet41#1);havoc main_#t~nondet41#1;assume -2147483648 <= main_#t~nondet42#1 && main_#t~nondet42#1 <= 2147483647; {37224#(<= |ULTIMATE.start_main_~this_expect~0#1| 8)} is VALID [2022-02-20 16:07:55,931 INFO L290 TraceCheckUtils]: 189: Hoare triple {37224#(<= |ULTIMATE.start_main_~this_expect~0#1| 8)} assume !(0 != main_#t~nondet42#1);havoc main_#t~nondet42#1;assume -2147483648 <= main_#t~nondet43#1 && main_#t~nondet43#1 <= 2147483647; {37224#(<= |ULTIMATE.start_main_~this_expect~0#1| 8)} is VALID [2022-02-20 16:07:55,931 INFO L290 TraceCheckUtils]: 190: Hoare triple {37224#(<= |ULTIMATE.start_main_~this_expect~0#1| 8)} assume 0 != main_#t~nondet43#1;havoc main_#t~nondet43#1; {37224#(<= |ULTIMATE.start_main_~this_expect~0#1| 8)} is VALID [2022-02-20 16:07:55,931 INFO L290 TraceCheckUtils]: 191: Hoare triple {37224#(<= |ULTIMATE.start_main_~this_expect~0#1| 8)} assume 0 != main_~P1~0#1 && !(1 != main_~P1~0#1 && 0 != main_~P1~0#1);main_~method_id~0#1 := 7; {37224#(<= |ULTIMATE.start_main_~this_expect~0#1| 8)} is VALID [2022-02-20 16:07:55,932 INFO L290 TraceCheckUtils]: 192: Hoare triple {37224#(<= |ULTIMATE.start_main_~this_expect~0#1| 8)} assume !(((1 == main_~this_buffer_empty~0#1 && 0 != main_~P9~0#1) && 0 != main_~P9~0#1 && !(1 != main_~P9~0#1 && 0 != main_~P9~0#1)) || (((main_~P9~0#1 != (if main_~this_expect~0#1 - 1 < 0 && 0 != (main_~this_expect~0#1 - 1) % 2 then (main_~this_expect~0#1 - 1) % 2 - 2 else (main_~this_expect~0#1 - 1) % 2) && 1 != main_~this_buffer_empty~0#1) && 0 != main_~P9~0#1) && 0 != main_~P9~0#1 && !(1 != main_~P9~0#1 && 0 != main_~P9~0#1)));main_~q~0#1 := 1;main_~this_expect~0#1 := main_~this_expect~0#1;main_~this_buffer_empty~0#1 := 1 - main_~this_buffer_empty~0#1; {37224#(<= |ULTIMATE.start_main_~this_expect~0#1| 8)} is VALID [2022-02-20 16:07:55,932 INFO L290 TraceCheckUtils]: 193: Hoare triple {37224#(<= |ULTIMATE.start_main_~this_expect~0#1| 8)} assume !false;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_~P1~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647;main_~P2~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647;main_~P3~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;assume -2147483648 <= main_#t~nondet7#1 && main_#t~nondet7#1 <= 2147483647;main_~P4~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;assume -2147483648 <= main_#t~nondet8#1 && main_#t~nondet8#1 <= 2147483647;main_~P5~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647;main_~P6~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1;assume -2147483648 <= main_#t~nondet10#1 && main_#t~nondet10#1 <= 2147483647;main_~P7~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;assume -2147483648 <= main_#t~nondet11#1 && main_#t~nondet11#1 <= 2147483647;main_~P8~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;assume -2147483648 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 2147483647;main_~P9~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; {37224#(<= |ULTIMATE.start_main_~this_expect~0#1| 8)} is VALID [2022-02-20 16:07:55,932 INFO L290 TraceCheckUtils]: 194: Hoare triple {37224#(<= |ULTIMATE.start_main_~this_expect~0#1| 8)} assume !(main_~this_expect~0#1 > 16); {37224#(<= |ULTIMATE.start_main_~this_expect~0#1| 8)} is VALID [2022-02-20 16:07:55,932 INFO L290 TraceCheckUtils]: 195: Hoare triple {37224#(<= |ULTIMATE.start_main_~this_expect~0#1| 8)} assume !(0 == main_~q~0#1); {37224#(<= |ULTIMATE.start_main_~this_expect~0#1| 8)} is VALID [2022-02-20 16:07:55,933 INFO L290 TraceCheckUtils]: 196: Hoare triple {37224#(<= |ULTIMATE.start_main_~this_expect~0#1| 8)} assume 1 == main_~q~0#1;assume -2147483648 <= main_#t~nondet14#1 && main_#t~nondet14#1 <= 2147483647; {37224#(<= |ULTIMATE.start_main_~this_expect~0#1| 8)} is VALID [2022-02-20 16:07:55,933 INFO L290 TraceCheckUtils]: 197: Hoare triple {37224#(<= |ULTIMATE.start_main_~this_expect~0#1| 8)} assume 0 != main_#t~nondet14#1;havoc main_#t~nondet14#1; {37224#(<= |ULTIMATE.start_main_~this_expect~0#1| 8)} is VALID [2022-02-20 16:07:55,933 INFO L290 TraceCheckUtils]: 198: Hoare triple {37224#(<= |ULTIMATE.start_main_~this_expect~0#1| 8)} assume !(0 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2));main_~method_id~0#1 := 2; {37224#(<= |ULTIMATE.start_main_~this_expect~0#1| 8)} is VALID [2022-02-20 16:07:55,934 INFO L290 TraceCheckUtils]: 199: Hoare triple {37224#(<= |ULTIMATE.start_main_~this_expect~0#1| 8)} assume !((((if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2) != (if main_~this_expect~0#1 < 0 && 0 != main_~this_expect~0#1 % 2 then main_~this_expect~0#1 % 2 - 2 else main_~this_expect~0#1 % 2) && 1 == main_~this_buffer_empty~0#1) && !(0 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2))) || (1 != main_~this_buffer_empty~0#1 && !(0 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2))));main_~q~0#1 := 3;main_~this_expect~0#1 := 1 + main_~this_expect~0#1;main_~this_buffer_empty~0#1 := 1 - main_~this_buffer_empty~0#1; {37225#(<= |ULTIMATE.start_main_~this_expect~0#1| 9)} is VALID [2022-02-20 16:07:55,934 INFO L290 TraceCheckUtils]: 200: Hoare triple {37225#(<= |ULTIMATE.start_main_~this_expect~0#1| 9)} assume !false;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_~P1~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647;main_~P2~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647;main_~P3~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;assume -2147483648 <= main_#t~nondet7#1 && main_#t~nondet7#1 <= 2147483647;main_~P4~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;assume -2147483648 <= main_#t~nondet8#1 && main_#t~nondet8#1 <= 2147483647;main_~P5~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647;main_~P6~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1;assume -2147483648 <= main_#t~nondet10#1 && main_#t~nondet10#1 <= 2147483647;main_~P7~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;assume -2147483648 <= main_#t~nondet11#1 && main_#t~nondet11#1 <= 2147483647;main_~P8~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;assume -2147483648 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 2147483647;main_~P9~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; {37225#(<= |ULTIMATE.start_main_~this_expect~0#1| 9)} is VALID [2022-02-20 16:07:55,934 INFO L290 TraceCheckUtils]: 201: Hoare triple {37225#(<= |ULTIMATE.start_main_~this_expect~0#1| 9)} assume !(main_~this_expect~0#1 > 16); {37225#(<= |ULTIMATE.start_main_~this_expect~0#1| 9)} is VALID [2022-02-20 16:07:55,935 INFO L290 TraceCheckUtils]: 202: Hoare triple {37225#(<= |ULTIMATE.start_main_~this_expect~0#1| 9)} assume !(0 == main_~q~0#1); {37225#(<= |ULTIMATE.start_main_~this_expect~0#1| 9)} is VALID [2022-02-20 16:07:55,935 INFO L290 TraceCheckUtils]: 203: Hoare triple {37225#(<= |ULTIMATE.start_main_~this_expect~0#1| 9)} assume !(1 == main_~q~0#1); {37225#(<= |ULTIMATE.start_main_~this_expect~0#1| 9)} is VALID [2022-02-20 16:07:55,935 INFO L290 TraceCheckUtils]: 204: Hoare triple {37225#(<= |ULTIMATE.start_main_~this_expect~0#1| 9)} assume !(2 == main_~q~0#1); {37225#(<= |ULTIMATE.start_main_~this_expect~0#1| 9)} is VALID [2022-02-20 16:07:55,936 INFO L290 TraceCheckUtils]: 205: Hoare triple {37225#(<= |ULTIMATE.start_main_~this_expect~0#1| 9)} assume 3 == main_~q~0#1;assume -2147483648 <= main_#t~nondet26#1 && main_#t~nondet26#1 <= 2147483647; {37225#(<= |ULTIMATE.start_main_~this_expect~0#1| 9)} is VALID [2022-02-20 16:07:55,936 INFO L290 TraceCheckUtils]: 206: Hoare triple {37225#(<= |ULTIMATE.start_main_~this_expect~0#1| 9)} assume !(0 != main_#t~nondet26#1);havoc main_#t~nondet26#1;assume -2147483648 <= main_#t~nondet27#1 && main_#t~nondet27#1 <= 2147483647; {37225#(<= |ULTIMATE.start_main_~this_expect~0#1| 9)} is VALID [2022-02-20 16:07:55,936 INFO L290 TraceCheckUtils]: 207: Hoare triple {37225#(<= |ULTIMATE.start_main_~this_expect~0#1| 9)} assume 0 != main_#t~nondet27#1;havoc main_#t~nondet27#1; {37225#(<= |ULTIMATE.start_main_~this_expect~0#1| 9)} is VALID [2022-02-20 16:07:55,936 INFO L290 TraceCheckUtils]: 208: Hoare triple {37225#(<= |ULTIMATE.start_main_~this_expect~0#1| 9)} assume !(0 != main_~P1~0#1);main_~method_id~0#1 := 3; {37225#(<= |ULTIMATE.start_main_~this_expect~0#1| 9)} is VALID [2022-02-20 16:07:55,937 INFO L290 TraceCheckUtils]: 209: Hoare triple {37225#(<= |ULTIMATE.start_main_~this_expect~0#1| 9)} assume !((1 == main_~this_buffer_empty~0#1 && !(0 != main_~P3~0#1)) || ((main_~P3~0#1 != (if main_~this_expect~0#1 - 1 < 0 && 0 != (main_~this_expect~0#1 - 1) % 2 then (main_~this_expect~0#1 - 1) % 2 - 2 else (main_~this_expect~0#1 - 1) % 2) && 1 != main_~this_buffer_empty~0#1) && !(0 != main_~P3~0#1)));main_~q~0#1 := 4;main_~this_expect~0#1 := main_~this_expect~0#1;main_~this_buffer_empty~0#1 := 1 - main_~this_buffer_empty~0#1; {37225#(<= |ULTIMATE.start_main_~this_expect~0#1| 9)} is VALID [2022-02-20 16:07:55,937 INFO L290 TraceCheckUtils]: 210: Hoare triple {37225#(<= |ULTIMATE.start_main_~this_expect~0#1| 9)} assume !false;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_~P1~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647;main_~P2~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647;main_~P3~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;assume -2147483648 <= main_#t~nondet7#1 && main_#t~nondet7#1 <= 2147483647;main_~P4~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;assume -2147483648 <= main_#t~nondet8#1 && main_#t~nondet8#1 <= 2147483647;main_~P5~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647;main_~P6~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1;assume -2147483648 <= main_#t~nondet10#1 && main_#t~nondet10#1 <= 2147483647;main_~P7~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;assume -2147483648 <= main_#t~nondet11#1 && main_#t~nondet11#1 <= 2147483647;main_~P8~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;assume -2147483648 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 2147483647;main_~P9~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; {37225#(<= |ULTIMATE.start_main_~this_expect~0#1| 9)} is VALID [2022-02-20 16:07:55,938 INFO L290 TraceCheckUtils]: 211: Hoare triple {37225#(<= |ULTIMATE.start_main_~this_expect~0#1| 9)} assume !(main_~this_expect~0#1 > 16); {37225#(<= |ULTIMATE.start_main_~this_expect~0#1| 9)} is VALID [2022-02-20 16:07:55,938 INFO L290 TraceCheckUtils]: 212: Hoare triple {37225#(<= |ULTIMATE.start_main_~this_expect~0#1| 9)} assume !(0 == main_~q~0#1); {37225#(<= |ULTIMATE.start_main_~this_expect~0#1| 9)} is VALID [2022-02-20 16:07:55,938 INFO L290 TraceCheckUtils]: 213: Hoare triple {37225#(<= |ULTIMATE.start_main_~this_expect~0#1| 9)} assume !(1 == main_~q~0#1); {37225#(<= |ULTIMATE.start_main_~this_expect~0#1| 9)} is VALID [2022-02-20 16:07:55,938 INFO L290 TraceCheckUtils]: 214: Hoare triple {37225#(<= |ULTIMATE.start_main_~this_expect~0#1| 9)} assume !(2 == main_~q~0#1); {37225#(<= |ULTIMATE.start_main_~this_expect~0#1| 9)} is VALID [2022-02-20 16:07:55,939 INFO L290 TraceCheckUtils]: 215: Hoare triple {37225#(<= |ULTIMATE.start_main_~this_expect~0#1| 9)} assume !(3 == main_~q~0#1); {37225#(<= |ULTIMATE.start_main_~this_expect~0#1| 9)} is VALID [2022-02-20 16:07:55,939 INFO L290 TraceCheckUtils]: 216: Hoare triple {37225#(<= |ULTIMATE.start_main_~this_expect~0#1| 9)} assume 4 == main_~q~0#1;assume -2147483648 <= main_#t~nondet32#1 && main_#t~nondet32#1 <= 2147483647; {37225#(<= |ULTIMATE.start_main_~this_expect~0#1| 9)} is VALID [2022-02-20 16:07:55,939 INFO L290 TraceCheckUtils]: 217: Hoare triple {37225#(<= |ULTIMATE.start_main_~this_expect~0#1| 9)} assume !(0 != main_#t~nondet32#1);havoc main_#t~nondet32#1;assume -2147483648 <= main_#t~nondet33#1 && main_#t~nondet33#1 <= 2147483647; {37225#(<= |ULTIMATE.start_main_~this_expect~0#1| 9)} is VALID [2022-02-20 16:07:55,939 INFO L290 TraceCheckUtils]: 218: Hoare triple {37225#(<= |ULTIMATE.start_main_~this_expect~0#1| 9)} assume !(0 != main_#t~nondet33#1);havoc main_#t~nondet33#1;assume -2147483648 <= main_#t~nondet34#1 && main_#t~nondet34#1 <= 2147483647; {37225#(<= |ULTIMATE.start_main_~this_expect~0#1| 9)} is VALID [2022-02-20 16:07:55,940 INFO L290 TraceCheckUtils]: 219: Hoare triple {37225#(<= |ULTIMATE.start_main_~this_expect~0#1| 9)} assume !(0 != main_#t~nondet34#1);havoc main_#t~nondet34#1;assume -2147483648 <= main_#t~nondet35#1 && main_#t~nondet35#1 <= 2147483647; {37225#(<= |ULTIMATE.start_main_~this_expect~0#1| 9)} is VALID [2022-02-20 16:07:55,940 INFO L290 TraceCheckUtils]: 220: Hoare triple {37225#(<= |ULTIMATE.start_main_~this_expect~0#1| 9)} assume 0 != main_#t~nondet35#1;havoc main_#t~nondet35#1; {37225#(<= |ULTIMATE.start_main_~this_expect~0#1| 9)} is VALID [2022-02-20 16:07:55,940 INFO L290 TraceCheckUtils]: 221: Hoare triple {37225#(<= |ULTIMATE.start_main_~this_expect~0#1| 9)} assume 0 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2) && !(1 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2) && 0 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2));main_~method_id~0#1 := 5; {37225#(<= |ULTIMATE.start_main_~this_expect~0#1| 9)} is VALID [2022-02-20 16:07:55,941 INFO L290 TraceCheckUtils]: 222: Hoare triple {37225#(<= |ULTIMATE.start_main_~this_expect~0#1| 9)} assume !(((((if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2) != (if main_~this_expect~0#1 < 0 && 0 != main_~this_expect~0#1 % 2 then main_~this_expect~0#1 % 2 - 2 else main_~this_expect~0#1 % 2) && 1 == main_~this_buffer_empty~0#1) && 0 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2)) && 0 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2) && !(1 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2) && 0 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2))) || ((1 != main_~this_buffer_empty~0#1 && 0 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2)) && 0 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2) && !(1 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2) && 0 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2))));main_~q~0#1 := 5;main_~this_expect~0#1 := 1 + main_~this_expect~0#1;main_~this_buffer_empty~0#1 := 1 - main_~this_buffer_empty~0#1; {37226#(<= |ULTIMATE.start_main_~this_expect~0#1| 10)} is VALID [2022-02-20 16:07:55,941 INFO L290 TraceCheckUtils]: 223: Hoare triple {37226#(<= |ULTIMATE.start_main_~this_expect~0#1| 10)} assume !false;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_~P1~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647;main_~P2~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647;main_~P3~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;assume -2147483648 <= main_#t~nondet7#1 && main_#t~nondet7#1 <= 2147483647;main_~P4~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;assume -2147483648 <= main_#t~nondet8#1 && main_#t~nondet8#1 <= 2147483647;main_~P5~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647;main_~P6~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1;assume -2147483648 <= main_#t~nondet10#1 && main_#t~nondet10#1 <= 2147483647;main_~P7~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;assume -2147483648 <= main_#t~nondet11#1 && main_#t~nondet11#1 <= 2147483647;main_~P8~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;assume -2147483648 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 2147483647;main_~P9~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; {37226#(<= |ULTIMATE.start_main_~this_expect~0#1| 10)} is VALID [2022-02-20 16:07:55,941 INFO L290 TraceCheckUtils]: 224: Hoare triple {37226#(<= |ULTIMATE.start_main_~this_expect~0#1| 10)} assume !(main_~this_expect~0#1 > 16); {37226#(<= |ULTIMATE.start_main_~this_expect~0#1| 10)} is VALID [2022-02-20 16:07:55,942 INFO L290 TraceCheckUtils]: 225: Hoare triple {37226#(<= |ULTIMATE.start_main_~this_expect~0#1| 10)} assume !(0 == main_~q~0#1); {37226#(<= |ULTIMATE.start_main_~this_expect~0#1| 10)} is VALID [2022-02-20 16:07:55,942 INFO L290 TraceCheckUtils]: 226: Hoare triple {37226#(<= |ULTIMATE.start_main_~this_expect~0#1| 10)} assume !(1 == main_~q~0#1); {37226#(<= |ULTIMATE.start_main_~this_expect~0#1| 10)} is VALID [2022-02-20 16:07:55,942 INFO L290 TraceCheckUtils]: 227: Hoare triple {37226#(<= |ULTIMATE.start_main_~this_expect~0#1| 10)} assume !(2 == main_~q~0#1); {37226#(<= |ULTIMATE.start_main_~this_expect~0#1| 10)} is VALID [2022-02-20 16:07:55,943 INFO L290 TraceCheckUtils]: 228: Hoare triple {37226#(<= |ULTIMATE.start_main_~this_expect~0#1| 10)} assume !(3 == main_~q~0#1); {37226#(<= |ULTIMATE.start_main_~this_expect~0#1| 10)} is VALID [2022-02-20 16:07:55,943 INFO L290 TraceCheckUtils]: 229: Hoare triple {37226#(<= |ULTIMATE.start_main_~this_expect~0#1| 10)} assume !(4 == main_~q~0#1); {37226#(<= |ULTIMATE.start_main_~this_expect~0#1| 10)} is VALID [2022-02-20 16:07:55,943 INFO L290 TraceCheckUtils]: 230: Hoare triple {37226#(<= |ULTIMATE.start_main_~this_expect~0#1| 10)} assume 5 == main_~q~0#1;assume -2147483648 <= main_#t~nondet38#1 && main_#t~nondet38#1 <= 2147483647; {37226#(<= |ULTIMATE.start_main_~this_expect~0#1| 10)} is VALID [2022-02-20 16:07:55,943 INFO L290 TraceCheckUtils]: 231: Hoare triple {37226#(<= |ULTIMATE.start_main_~this_expect~0#1| 10)} assume !(0 != main_#t~nondet38#1);havoc main_#t~nondet38#1;assume -2147483648 <= main_#t~nondet39#1 && main_#t~nondet39#1 <= 2147483647; {37226#(<= |ULTIMATE.start_main_~this_expect~0#1| 10)} is VALID [2022-02-20 16:07:55,944 INFO L290 TraceCheckUtils]: 232: Hoare triple {37226#(<= |ULTIMATE.start_main_~this_expect~0#1| 10)} assume !(0 != main_#t~nondet39#1);havoc main_#t~nondet39#1;assume -2147483648 <= main_#t~nondet40#1 && main_#t~nondet40#1 <= 2147483647; {37226#(<= |ULTIMATE.start_main_~this_expect~0#1| 10)} is VALID [2022-02-20 16:07:55,944 INFO L290 TraceCheckUtils]: 233: Hoare triple {37226#(<= |ULTIMATE.start_main_~this_expect~0#1| 10)} assume !(0 != main_#t~nondet40#1);havoc main_#t~nondet40#1;assume -2147483648 <= main_#t~nondet41#1 && main_#t~nondet41#1 <= 2147483647; {37226#(<= |ULTIMATE.start_main_~this_expect~0#1| 10)} is VALID [2022-02-20 16:07:55,944 INFO L290 TraceCheckUtils]: 234: Hoare triple {37226#(<= |ULTIMATE.start_main_~this_expect~0#1| 10)} assume !(0 != main_#t~nondet41#1);havoc main_#t~nondet41#1;assume -2147483648 <= main_#t~nondet42#1 && main_#t~nondet42#1 <= 2147483647; {37226#(<= |ULTIMATE.start_main_~this_expect~0#1| 10)} is VALID [2022-02-20 16:07:55,944 INFO L290 TraceCheckUtils]: 235: Hoare triple {37226#(<= |ULTIMATE.start_main_~this_expect~0#1| 10)} assume !(0 != main_#t~nondet42#1);havoc main_#t~nondet42#1;assume -2147483648 <= main_#t~nondet43#1 && main_#t~nondet43#1 <= 2147483647; {37226#(<= |ULTIMATE.start_main_~this_expect~0#1| 10)} is VALID [2022-02-20 16:07:55,945 INFO L290 TraceCheckUtils]: 236: Hoare triple {37226#(<= |ULTIMATE.start_main_~this_expect~0#1| 10)} assume 0 != main_#t~nondet43#1;havoc main_#t~nondet43#1; {37226#(<= |ULTIMATE.start_main_~this_expect~0#1| 10)} is VALID [2022-02-20 16:07:55,945 INFO L290 TraceCheckUtils]: 237: Hoare triple {37226#(<= |ULTIMATE.start_main_~this_expect~0#1| 10)} assume 0 != main_~P1~0#1 && !(1 != main_~P1~0#1 && 0 != main_~P1~0#1);main_~method_id~0#1 := 7; {37226#(<= |ULTIMATE.start_main_~this_expect~0#1| 10)} is VALID [2022-02-20 16:07:55,946 INFO L290 TraceCheckUtils]: 238: Hoare triple {37226#(<= |ULTIMATE.start_main_~this_expect~0#1| 10)} assume !(((1 == main_~this_buffer_empty~0#1 && 0 != main_~P9~0#1) && 0 != main_~P9~0#1 && !(1 != main_~P9~0#1 && 0 != main_~P9~0#1)) || (((main_~P9~0#1 != (if main_~this_expect~0#1 - 1 < 0 && 0 != (main_~this_expect~0#1 - 1) % 2 then (main_~this_expect~0#1 - 1) % 2 - 2 else (main_~this_expect~0#1 - 1) % 2) && 1 != main_~this_buffer_empty~0#1) && 0 != main_~P9~0#1) && 0 != main_~P9~0#1 && !(1 != main_~P9~0#1 && 0 != main_~P9~0#1)));main_~q~0#1 := 1;main_~this_expect~0#1 := main_~this_expect~0#1;main_~this_buffer_empty~0#1 := 1 - main_~this_buffer_empty~0#1; {37226#(<= |ULTIMATE.start_main_~this_expect~0#1| 10)} is VALID [2022-02-20 16:07:55,946 INFO L290 TraceCheckUtils]: 239: Hoare triple {37226#(<= |ULTIMATE.start_main_~this_expect~0#1| 10)} assume !false;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_~P1~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647;main_~P2~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647;main_~P3~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;assume -2147483648 <= main_#t~nondet7#1 && main_#t~nondet7#1 <= 2147483647;main_~P4~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;assume -2147483648 <= main_#t~nondet8#1 && main_#t~nondet8#1 <= 2147483647;main_~P5~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647;main_~P6~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1;assume -2147483648 <= main_#t~nondet10#1 && main_#t~nondet10#1 <= 2147483647;main_~P7~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;assume -2147483648 <= main_#t~nondet11#1 && main_#t~nondet11#1 <= 2147483647;main_~P8~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;assume -2147483648 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 2147483647;main_~P9~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; {37226#(<= |ULTIMATE.start_main_~this_expect~0#1| 10)} is VALID [2022-02-20 16:07:55,946 INFO L290 TraceCheckUtils]: 240: Hoare triple {37226#(<= |ULTIMATE.start_main_~this_expect~0#1| 10)} assume !(main_~this_expect~0#1 > 16); {37226#(<= |ULTIMATE.start_main_~this_expect~0#1| 10)} is VALID [2022-02-20 16:07:55,946 INFO L290 TraceCheckUtils]: 241: Hoare triple {37226#(<= |ULTIMATE.start_main_~this_expect~0#1| 10)} assume !(0 == main_~q~0#1); {37226#(<= |ULTIMATE.start_main_~this_expect~0#1| 10)} is VALID [2022-02-20 16:07:55,947 INFO L290 TraceCheckUtils]: 242: Hoare triple {37226#(<= |ULTIMATE.start_main_~this_expect~0#1| 10)} assume 1 == main_~q~0#1;assume -2147483648 <= main_#t~nondet14#1 && main_#t~nondet14#1 <= 2147483647; {37226#(<= |ULTIMATE.start_main_~this_expect~0#1| 10)} is VALID [2022-02-20 16:07:55,947 INFO L290 TraceCheckUtils]: 243: Hoare triple {37226#(<= |ULTIMATE.start_main_~this_expect~0#1| 10)} assume 0 != main_#t~nondet14#1;havoc main_#t~nondet14#1; {37226#(<= |ULTIMATE.start_main_~this_expect~0#1| 10)} is VALID [2022-02-20 16:07:55,947 INFO L290 TraceCheckUtils]: 244: Hoare triple {37226#(<= |ULTIMATE.start_main_~this_expect~0#1| 10)} assume !(0 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2));main_~method_id~0#1 := 2; {37226#(<= |ULTIMATE.start_main_~this_expect~0#1| 10)} is VALID [2022-02-20 16:07:55,948 INFO L290 TraceCheckUtils]: 245: Hoare triple {37226#(<= |ULTIMATE.start_main_~this_expect~0#1| 10)} assume !((((if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2) != (if main_~this_expect~0#1 < 0 && 0 != main_~this_expect~0#1 % 2 then main_~this_expect~0#1 % 2 - 2 else main_~this_expect~0#1 % 2) && 1 == main_~this_buffer_empty~0#1) && !(0 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2))) || (1 != main_~this_buffer_empty~0#1 && !(0 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2))));main_~q~0#1 := 3;main_~this_expect~0#1 := 1 + main_~this_expect~0#1;main_~this_buffer_empty~0#1 := 1 - main_~this_buffer_empty~0#1; {37227#(<= |ULTIMATE.start_main_~this_expect~0#1| 11)} is VALID [2022-02-20 16:07:55,948 INFO L290 TraceCheckUtils]: 246: Hoare triple {37227#(<= |ULTIMATE.start_main_~this_expect~0#1| 11)} assume !false;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_~P1~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647;main_~P2~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647;main_~P3~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;assume -2147483648 <= main_#t~nondet7#1 && main_#t~nondet7#1 <= 2147483647;main_~P4~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;assume -2147483648 <= main_#t~nondet8#1 && main_#t~nondet8#1 <= 2147483647;main_~P5~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647;main_~P6~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1;assume -2147483648 <= main_#t~nondet10#1 && main_#t~nondet10#1 <= 2147483647;main_~P7~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;assume -2147483648 <= main_#t~nondet11#1 && main_#t~nondet11#1 <= 2147483647;main_~P8~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;assume -2147483648 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 2147483647;main_~P9~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; {37227#(<= |ULTIMATE.start_main_~this_expect~0#1| 11)} is VALID [2022-02-20 16:07:55,948 INFO L290 TraceCheckUtils]: 247: Hoare triple {37227#(<= |ULTIMATE.start_main_~this_expect~0#1| 11)} assume !(main_~this_expect~0#1 > 16); {37227#(<= |ULTIMATE.start_main_~this_expect~0#1| 11)} is VALID [2022-02-20 16:07:55,949 INFO L290 TraceCheckUtils]: 248: Hoare triple {37227#(<= |ULTIMATE.start_main_~this_expect~0#1| 11)} assume !(0 == main_~q~0#1); {37227#(<= |ULTIMATE.start_main_~this_expect~0#1| 11)} is VALID [2022-02-20 16:07:55,949 INFO L290 TraceCheckUtils]: 249: Hoare triple {37227#(<= |ULTIMATE.start_main_~this_expect~0#1| 11)} assume !(1 == main_~q~0#1); {37227#(<= |ULTIMATE.start_main_~this_expect~0#1| 11)} is VALID [2022-02-20 16:07:55,949 INFO L290 TraceCheckUtils]: 250: Hoare triple {37227#(<= |ULTIMATE.start_main_~this_expect~0#1| 11)} assume !(2 == main_~q~0#1); {37227#(<= |ULTIMATE.start_main_~this_expect~0#1| 11)} is VALID [2022-02-20 16:07:55,950 INFO L290 TraceCheckUtils]: 251: Hoare triple {37227#(<= |ULTIMATE.start_main_~this_expect~0#1| 11)} assume 3 == main_~q~0#1;assume -2147483648 <= main_#t~nondet26#1 && main_#t~nondet26#1 <= 2147483647; {37227#(<= |ULTIMATE.start_main_~this_expect~0#1| 11)} is VALID [2022-02-20 16:07:55,950 INFO L290 TraceCheckUtils]: 252: Hoare triple {37227#(<= |ULTIMATE.start_main_~this_expect~0#1| 11)} assume !(0 != main_#t~nondet26#1);havoc main_#t~nondet26#1;assume -2147483648 <= main_#t~nondet27#1 && main_#t~nondet27#1 <= 2147483647; {37227#(<= |ULTIMATE.start_main_~this_expect~0#1| 11)} is VALID [2022-02-20 16:07:55,950 INFO L290 TraceCheckUtils]: 253: Hoare triple {37227#(<= |ULTIMATE.start_main_~this_expect~0#1| 11)} assume 0 != main_#t~nondet27#1;havoc main_#t~nondet27#1; {37227#(<= |ULTIMATE.start_main_~this_expect~0#1| 11)} is VALID [2022-02-20 16:07:55,950 INFO L290 TraceCheckUtils]: 254: Hoare triple {37227#(<= |ULTIMATE.start_main_~this_expect~0#1| 11)} assume !(0 != main_~P1~0#1);main_~method_id~0#1 := 3; {37227#(<= |ULTIMATE.start_main_~this_expect~0#1| 11)} is VALID [2022-02-20 16:07:55,951 INFO L290 TraceCheckUtils]: 255: Hoare triple {37227#(<= |ULTIMATE.start_main_~this_expect~0#1| 11)} assume !((1 == main_~this_buffer_empty~0#1 && !(0 != main_~P3~0#1)) || ((main_~P3~0#1 != (if main_~this_expect~0#1 - 1 < 0 && 0 != (main_~this_expect~0#1 - 1) % 2 then (main_~this_expect~0#1 - 1) % 2 - 2 else (main_~this_expect~0#1 - 1) % 2) && 1 != main_~this_buffer_empty~0#1) && !(0 != main_~P3~0#1)));main_~q~0#1 := 4;main_~this_expect~0#1 := main_~this_expect~0#1;main_~this_buffer_empty~0#1 := 1 - main_~this_buffer_empty~0#1; {37227#(<= |ULTIMATE.start_main_~this_expect~0#1| 11)} is VALID [2022-02-20 16:07:55,951 INFO L290 TraceCheckUtils]: 256: Hoare triple {37227#(<= |ULTIMATE.start_main_~this_expect~0#1| 11)} assume !false;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_~P1~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647;main_~P2~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647;main_~P3~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;assume -2147483648 <= main_#t~nondet7#1 && main_#t~nondet7#1 <= 2147483647;main_~P4~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;assume -2147483648 <= main_#t~nondet8#1 && main_#t~nondet8#1 <= 2147483647;main_~P5~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647;main_~P6~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1;assume -2147483648 <= main_#t~nondet10#1 && main_#t~nondet10#1 <= 2147483647;main_~P7~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;assume -2147483648 <= main_#t~nondet11#1 && main_#t~nondet11#1 <= 2147483647;main_~P8~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;assume -2147483648 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 2147483647;main_~P9~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; {37227#(<= |ULTIMATE.start_main_~this_expect~0#1| 11)} is VALID [2022-02-20 16:07:55,951 INFO L290 TraceCheckUtils]: 257: Hoare triple {37227#(<= |ULTIMATE.start_main_~this_expect~0#1| 11)} assume !(main_~this_expect~0#1 > 16); {37227#(<= |ULTIMATE.start_main_~this_expect~0#1| 11)} is VALID [2022-02-20 16:07:55,952 INFO L290 TraceCheckUtils]: 258: Hoare triple {37227#(<= |ULTIMATE.start_main_~this_expect~0#1| 11)} assume !(0 == main_~q~0#1); {37227#(<= |ULTIMATE.start_main_~this_expect~0#1| 11)} is VALID [2022-02-20 16:07:55,952 INFO L290 TraceCheckUtils]: 259: Hoare triple {37227#(<= |ULTIMATE.start_main_~this_expect~0#1| 11)} assume !(1 == main_~q~0#1); {37227#(<= |ULTIMATE.start_main_~this_expect~0#1| 11)} is VALID [2022-02-20 16:07:55,952 INFO L290 TraceCheckUtils]: 260: Hoare triple {37227#(<= |ULTIMATE.start_main_~this_expect~0#1| 11)} assume !(2 == main_~q~0#1); {37227#(<= |ULTIMATE.start_main_~this_expect~0#1| 11)} is VALID [2022-02-20 16:07:55,953 INFO L290 TraceCheckUtils]: 261: Hoare triple {37227#(<= |ULTIMATE.start_main_~this_expect~0#1| 11)} assume !(3 == main_~q~0#1); {37227#(<= |ULTIMATE.start_main_~this_expect~0#1| 11)} is VALID [2022-02-20 16:07:55,953 INFO L290 TraceCheckUtils]: 262: Hoare triple {37227#(<= |ULTIMATE.start_main_~this_expect~0#1| 11)} assume 4 == main_~q~0#1;assume -2147483648 <= main_#t~nondet32#1 && main_#t~nondet32#1 <= 2147483647; {37227#(<= |ULTIMATE.start_main_~this_expect~0#1| 11)} is VALID [2022-02-20 16:07:55,953 INFO L290 TraceCheckUtils]: 263: Hoare triple {37227#(<= |ULTIMATE.start_main_~this_expect~0#1| 11)} assume !(0 != main_#t~nondet32#1);havoc main_#t~nondet32#1;assume -2147483648 <= main_#t~nondet33#1 && main_#t~nondet33#1 <= 2147483647; {37227#(<= |ULTIMATE.start_main_~this_expect~0#1| 11)} is VALID [2022-02-20 16:07:55,953 INFO L290 TraceCheckUtils]: 264: Hoare triple {37227#(<= |ULTIMATE.start_main_~this_expect~0#1| 11)} assume !(0 != main_#t~nondet33#1);havoc main_#t~nondet33#1;assume -2147483648 <= main_#t~nondet34#1 && main_#t~nondet34#1 <= 2147483647; {37227#(<= |ULTIMATE.start_main_~this_expect~0#1| 11)} is VALID [2022-02-20 16:07:55,954 INFO L290 TraceCheckUtils]: 265: Hoare triple {37227#(<= |ULTIMATE.start_main_~this_expect~0#1| 11)} assume !(0 != main_#t~nondet34#1);havoc main_#t~nondet34#1;assume -2147483648 <= main_#t~nondet35#1 && main_#t~nondet35#1 <= 2147483647; {37227#(<= |ULTIMATE.start_main_~this_expect~0#1| 11)} is VALID [2022-02-20 16:07:55,954 INFO L290 TraceCheckUtils]: 266: Hoare triple {37227#(<= |ULTIMATE.start_main_~this_expect~0#1| 11)} assume 0 != main_#t~nondet35#1;havoc main_#t~nondet35#1; {37227#(<= |ULTIMATE.start_main_~this_expect~0#1| 11)} is VALID [2022-02-20 16:07:55,954 INFO L290 TraceCheckUtils]: 267: Hoare triple {37227#(<= |ULTIMATE.start_main_~this_expect~0#1| 11)} assume 0 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2) && !(1 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2) && 0 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2));main_~method_id~0#1 := 5; {37227#(<= |ULTIMATE.start_main_~this_expect~0#1| 11)} is VALID [2022-02-20 16:07:55,955 INFO L290 TraceCheckUtils]: 268: Hoare triple {37227#(<= |ULTIMATE.start_main_~this_expect~0#1| 11)} assume !(((((if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2) != (if main_~this_expect~0#1 < 0 && 0 != main_~this_expect~0#1 % 2 then main_~this_expect~0#1 % 2 - 2 else main_~this_expect~0#1 % 2) && 1 == main_~this_buffer_empty~0#1) && 0 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2)) && 0 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2) && !(1 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2) && 0 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2))) || ((1 != main_~this_buffer_empty~0#1 && 0 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2)) && 0 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2) && !(1 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2) && 0 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2))));main_~q~0#1 := 5;main_~this_expect~0#1 := 1 + main_~this_expect~0#1;main_~this_buffer_empty~0#1 := 1 - main_~this_buffer_empty~0#1; {37228#(<= |ULTIMATE.start_main_~this_expect~0#1| 12)} is VALID [2022-02-20 16:07:55,955 INFO L290 TraceCheckUtils]: 269: Hoare triple {37228#(<= |ULTIMATE.start_main_~this_expect~0#1| 12)} assume !false;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_~P1~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647;main_~P2~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647;main_~P3~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;assume -2147483648 <= main_#t~nondet7#1 && main_#t~nondet7#1 <= 2147483647;main_~P4~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;assume -2147483648 <= main_#t~nondet8#1 && main_#t~nondet8#1 <= 2147483647;main_~P5~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647;main_~P6~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1;assume -2147483648 <= main_#t~nondet10#1 && main_#t~nondet10#1 <= 2147483647;main_~P7~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;assume -2147483648 <= main_#t~nondet11#1 && main_#t~nondet11#1 <= 2147483647;main_~P8~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;assume -2147483648 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 2147483647;main_~P9~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; {37228#(<= |ULTIMATE.start_main_~this_expect~0#1| 12)} is VALID [2022-02-20 16:07:55,956 INFO L290 TraceCheckUtils]: 270: Hoare triple {37228#(<= |ULTIMATE.start_main_~this_expect~0#1| 12)} assume !(main_~this_expect~0#1 > 16); {37228#(<= |ULTIMATE.start_main_~this_expect~0#1| 12)} is VALID [2022-02-20 16:07:55,956 INFO L290 TraceCheckUtils]: 271: Hoare triple {37228#(<= |ULTIMATE.start_main_~this_expect~0#1| 12)} assume !(0 == main_~q~0#1); {37228#(<= |ULTIMATE.start_main_~this_expect~0#1| 12)} is VALID [2022-02-20 16:07:55,956 INFO L290 TraceCheckUtils]: 272: Hoare triple {37228#(<= |ULTIMATE.start_main_~this_expect~0#1| 12)} assume !(1 == main_~q~0#1); {37228#(<= |ULTIMATE.start_main_~this_expect~0#1| 12)} is VALID [2022-02-20 16:07:55,956 INFO L290 TraceCheckUtils]: 273: Hoare triple {37228#(<= |ULTIMATE.start_main_~this_expect~0#1| 12)} assume !(2 == main_~q~0#1); {37228#(<= |ULTIMATE.start_main_~this_expect~0#1| 12)} is VALID [2022-02-20 16:07:55,957 INFO L290 TraceCheckUtils]: 274: Hoare triple {37228#(<= |ULTIMATE.start_main_~this_expect~0#1| 12)} assume !(3 == main_~q~0#1); {37228#(<= |ULTIMATE.start_main_~this_expect~0#1| 12)} is VALID [2022-02-20 16:07:55,957 INFO L290 TraceCheckUtils]: 275: Hoare triple {37228#(<= |ULTIMATE.start_main_~this_expect~0#1| 12)} assume !(4 == main_~q~0#1); {37228#(<= |ULTIMATE.start_main_~this_expect~0#1| 12)} is VALID [2022-02-20 16:07:55,957 INFO L290 TraceCheckUtils]: 276: Hoare triple {37228#(<= |ULTIMATE.start_main_~this_expect~0#1| 12)} assume 5 == main_~q~0#1;assume -2147483648 <= main_#t~nondet38#1 && main_#t~nondet38#1 <= 2147483647; {37228#(<= |ULTIMATE.start_main_~this_expect~0#1| 12)} is VALID [2022-02-20 16:07:55,957 INFO L290 TraceCheckUtils]: 277: Hoare triple {37228#(<= |ULTIMATE.start_main_~this_expect~0#1| 12)} assume !(0 != main_#t~nondet38#1);havoc main_#t~nondet38#1;assume -2147483648 <= main_#t~nondet39#1 && main_#t~nondet39#1 <= 2147483647; {37228#(<= |ULTIMATE.start_main_~this_expect~0#1| 12)} is VALID [2022-02-20 16:07:55,958 INFO L290 TraceCheckUtils]: 278: Hoare triple {37228#(<= |ULTIMATE.start_main_~this_expect~0#1| 12)} assume !(0 != main_#t~nondet39#1);havoc main_#t~nondet39#1;assume -2147483648 <= main_#t~nondet40#1 && main_#t~nondet40#1 <= 2147483647; {37228#(<= |ULTIMATE.start_main_~this_expect~0#1| 12)} is VALID [2022-02-20 16:07:55,958 INFO L290 TraceCheckUtils]: 279: Hoare triple {37228#(<= |ULTIMATE.start_main_~this_expect~0#1| 12)} assume !(0 != main_#t~nondet40#1);havoc main_#t~nondet40#1;assume -2147483648 <= main_#t~nondet41#1 && main_#t~nondet41#1 <= 2147483647; {37228#(<= |ULTIMATE.start_main_~this_expect~0#1| 12)} is VALID [2022-02-20 16:07:55,958 INFO L290 TraceCheckUtils]: 280: Hoare triple {37228#(<= |ULTIMATE.start_main_~this_expect~0#1| 12)} assume !(0 != main_#t~nondet41#1);havoc main_#t~nondet41#1;assume -2147483648 <= main_#t~nondet42#1 && main_#t~nondet42#1 <= 2147483647; {37228#(<= |ULTIMATE.start_main_~this_expect~0#1| 12)} is VALID [2022-02-20 16:07:55,959 INFO L290 TraceCheckUtils]: 281: Hoare triple {37228#(<= |ULTIMATE.start_main_~this_expect~0#1| 12)} assume !(0 != main_#t~nondet42#1);havoc main_#t~nondet42#1;assume -2147483648 <= main_#t~nondet43#1 && main_#t~nondet43#1 <= 2147483647; {37228#(<= |ULTIMATE.start_main_~this_expect~0#1| 12)} is VALID [2022-02-20 16:07:55,959 INFO L290 TraceCheckUtils]: 282: Hoare triple {37228#(<= |ULTIMATE.start_main_~this_expect~0#1| 12)} assume 0 != main_#t~nondet43#1;havoc main_#t~nondet43#1; {37228#(<= |ULTIMATE.start_main_~this_expect~0#1| 12)} is VALID [2022-02-20 16:07:55,959 INFO L290 TraceCheckUtils]: 283: Hoare triple {37228#(<= |ULTIMATE.start_main_~this_expect~0#1| 12)} assume 0 != main_~P1~0#1 && !(1 != main_~P1~0#1 && 0 != main_~P1~0#1);main_~method_id~0#1 := 7; {37228#(<= |ULTIMATE.start_main_~this_expect~0#1| 12)} is VALID [2022-02-20 16:07:55,960 INFO L290 TraceCheckUtils]: 284: Hoare triple {37228#(<= |ULTIMATE.start_main_~this_expect~0#1| 12)} assume !(((1 == main_~this_buffer_empty~0#1 && 0 != main_~P9~0#1) && 0 != main_~P9~0#1 && !(1 != main_~P9~0#1 && 0 != main_~P9~0#1)) || (((main_~P9~0#1 != (if main_~this_expect~0#1 - 1 < 0 && 0 != (main_~this_expect~0#1 - 1) % 2 then (main_~this_expect~0#1 - 1) % 2 - 2 else (main_~this_expect~0#1 - 1) % 2) && 1 != main_~this_buffer_empty~0#1) && 0 != main_~P9~0#1) && 0 != main_~P9~0#1 && !(1 != main_~P9~0#1 && 0 != main_~P9~0#1)));main_~q~0#1 := 1;main_~this_expect~0#1 := main_~this_expect~0#1;main_~this_buffer_empty~0#1 := 1 - main_~this_buffer_empty~0#1; {37228#(<= |ULTIMATE.start_main_~this_expect~0#1| 12)} is VALID [2022-02-20 16:07:55,960 INFO L290 TraceCheckUtils]: 285: Hoare triple {37228#(<= |ULTIMATE.start_main_~this_expect~0#1| 12)} assume !false;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_~P1~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647;main_~P2~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647;main_~P3~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;assume -2147483648 <= main_#t~nondet7#1 && main_#t~nondet7#1 <= 2147483647;main_~P4~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;assume -2147483648 <= main_#t~nondet8#1 && main_#t~nondet8#1 <= 2147483647;main_~P5~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647;main_~P6~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1;assume -2147483648 <= main_#t~nondet10#1 && main_#t~nondet10#1 <= 2147483647;main_~P7~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;assume -2147483648 <= main_#t~nondet11#1 && main_#t~nondet11#1 <= 2147483647;main_~P8~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;assume -2147483648 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 2147483647;main_~P9~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; {37228#(<= |ULTIMATE.start_main_~this_expect~0#1| 12)} is VALID [2022-02-20 16:07:55,960 INFO L290 TraceCheckUtils]: 286: Hoare triple {37228#(<= |ULTIMATE.start_main_~this_expect~0#1| 12)} assume !(main_~this_expect~0#1 > 16); {37228#(<= |ULTIMATE.start_main_~this_expect~0#1| 12)} is VALID [2022-02-20 16:07:55,960 INFO L290 TraceCheckUtils]: 287: Hoare triple {37228#(<= |ULTIMATE.start_main_~this_expect~0#1| 12)} assume !(0 == main_~q~0#1); {37228#(<= |ULTIMATE.start_main_~this_expect~0#1| 12)} is VALID [2022-02-20 16:07:55,961 INFO L290 TraceCheckUtils]: 288: Hoare triple {37228#(<= |ULTIMATE.start_main_~this_expect~0#1| 12)} assume 1 == main_~q~0#1;assume -2147483648 <= main_#t~nondet14#1 && main_#t~nondet14#1 <= 2147483647; {37228#(<= |ULTIMATE.start_main_~this_expect~0#1| 12)} is VALID [2022-02-20 16:07:55,961 INFO L290 TraceCheckUtils]: 289: Hoare triple {37228#(<= |ULTIMATE.start_main_~this_expect~0#1| 12)} assume 0 != main_#t~nondet14#1;havoc main_#t~nondet14#1; {37228#(<= |ULTIMATE.start_main_~this_expect~0#1| 12)} is VALID [2022-02-20 16:07:55,961 INFO L290 TraceCheckUtils]: 290: Hoare triple {37228#(<= |ULTIMATE.start_main_~this_expect~0#1| 12)} assume !(0 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2));main_~method_id~0#1 := 2; {37228#(<= |ULTIMATE.start_main_~this_expect~0#1| 12)} is VALID [2022-02-20 16:07:55,962 INFO L290 TraceCheckUtils]: 291: Hoare triple {37228#(<= |ULTIMATE.start_main_~this_expect~0#1| 12)} assume !((((if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2) != (if main_~this_expect~0#1 < 0 && 0 != main_~this_expect~0#1 % 2 then main_~this_expect~0#1 % 2 - 2 else main_~this_expect~0#1 % 2) && 1 == main_~this_buffer_empty~0#1) && !(0 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2))) || (1 != main_~this_buffer_empty~0#1 && !(0 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2))));main_~q~0#1 := 3;main_~this_expect~0#1 := 1 + main_~this_expect~0#1;main_~this_buffer_empty~0#1 := 1 - main_~this_buffer_empty~0#1; {37229#(<= |ULTIMATE.start_main_~this_expect~0#1| 13)} is VALID [2022-02-20 16:07:55,962 INFO L290 TraceCheckUtils]: 292: Hoare triple {37229#(<= |ULTIMATE.start_main_~this_expect~0#1| 13)} assume !false;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_~P1~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647;main_~P2~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647;main_~P3~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;assume -2147483648 <= main_#t~nondet7#1 && main_#t~nondet7#1 <= 2147483647;main_~P4~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;assume -2147483648 <= main_#t~nondet8#1 && main_#t~nondet8#1 <= 2147483647;main_~P5~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647;main_~P6~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1;assume -2147483648 <= main_#t~nondet10#1 && main_#t~nondet10#1 <= 2147483647;main_~P7~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;assume -2147483648 <= main_#t~nondet11#1 && main_#t~nondet11#1 <= 2147483647;main_~P8~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;assume -2147483648 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 2147483647;main_~P9~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; {37229#(<= |ULTIMATE.start_main_~this_expect~0#1| 13)} is VALID [2022-02-20 16:07:55,962 INFO L290 TraceCheckUtils]: 293: Hoare triple {37229#(<= |ULTIMATE.start_main_~this_expect~0#1| 13)} assume !(main_~this_expect~0#1 > 16); {37229#(<= |ULTIMATE.start_main_~this_expect~0#1| 13)} is VALID [2022-02-20 16:07:55,962 INFO L290 TraceCheckUtils]: 294: Hoare triple {37229#(<= |ULTIMATE.start_main_~this_expect~0#1| 13)} assume !(0 == main_~q~0#1); {37229#(<= |ULTIMATE.start_main_~this_expect~0#1| 13)} is VALID [2022-02-20 16:07:55,963 INFO L290 TraceCheckUtils]: 295: Hoare triple {37229#(<= |ULTIMATE.start_main_~this_expect~0#1| 13)} assume !(1 == main_~q~0#1); {37229#(<= |ULTIMATE.start_main_~this_expect~0#1| 13)} is VALID [2022-02-20 16:07:55,963 INFO L290 TraceCheckUtils]: 296: Hoare triple {37229#(<= |ULTIMATE.start_main_~this_expect~0#1| 13)} assume !(2 == main_~q~0#1); {37229#(<= |ULTIMATE.start_main_~this_expect~0#1| 13)} is VALID [2022-02-20 16:07:55,963 INFO L290 TraceCheckUtils]: 297: Hoare triple {37229#(<= |ULTIMATE.start_main_~this_expect~0#1| 13)} assume 3 == main_~q~0#1;assume -2147483648 <= main_#t~nondet26#1 && main_#t~nondet26#1 <= 2147483647; {37229#(<= |ULTIMATE.start_main_~this_expect~0#1| 13)} is VALID [2022-02-20 16:07:55,963 INFO L290 TraceCheckUtils]: 298: Hoare triple {37229#(<= |ULTIMATE.start_main_~this_expect~0#1| 13)} assume !(0 != main_#t~nondet26#1);havoc main_#t~nondet26#1;assume -2147483648 <= main_#t~nondet27#1 && main_#t~nondet27#1 <= 2147483647; {37229#(<= |ULTIMATE.start_main_~this_expect~0#1| 13)} is VALID [2022-02-20 16:07:55,964 INFO L290 TraceCheckUtils]: 299: Hoare triple {37229#(<= |ULTIMATE.start_main_~this_expect~0#1| 13)} assume 0 != main_#t~nondet27#1;havoc main_#t~nondet27#1; {37229#(<= |ULTIMATE.start_main_~this_expect~0#1| 13)} is VALID [2022-02-20 16:07:55,964 INFO L290 TraceCheckUtils]: 300: Hoare triple {37229#(<= |ULTIMATE.start_main_~this_expect~0#1| 13)} assume !(0 != main_~P1~0#1);main_~method_id~0#1 := 3; {37229#(<= |ULTIMATE.start_main_~this_expect~0#1| 13)} is VALID [2022-02-20 16:07:55,964 INFO L290 TraceCheckUtils]: 301: Hoare triple {37229#(<= |ULTIMATE.start_main_~this_expect~0#1| 13)} assume !((1 == main_~this_buffer_empty~0#1 && !(0 != main_~P3~0#1)) || ((main_~P3~0#1 != (if main_~this_expect~0#1 - 1 < 0 && 0 != (main_~this_expect~0#1 - 1) % 2 then (main_~this_expect~0#1 - 1) % 2 - 2 else (main_~this_expect~0#1 - 1) % 2) && 1 != main_~this_buffer_empty~0#1) && !(0 != main_~P3~0#1)));main_~q~0#1 := 4;main_~this_expect~0#1 := main_~this_expect~0#1;main_~this_buffer_empty~0#1 := 1 - main_~this_buffer_empty~0#1; {37229#(<= |ULTIMATE.start_main_~this_expect~0#1| 13)} is VALID [2022-02-20 16:07:55,965 INFO L290 TraceCheckUtils]: 302: Hoare triple {37229#(<= |ULTIMATE.start_main_~this_expect~0#1| 13)} assume !false;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_~P1~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647;main_~P2~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647;main_~P3~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;assume -2147483648 <= main_#t~nondet7#1 && main_#t~nondet7#1 <= 2147483647;main_~P4~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;assume -2147483648 <= main_#t~nondet8#1 && main_#t~nondet8#1 <= 2147483647;main_~P5~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647;main_~P6~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1;assume -2147483648 <= main_#t~nondet10#1 && main_#t~nondet10#1 <= 2147483647;main_~P7~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;assume -2147483648 <= main_#t~nondet11#1 && main_#t~nondet11#1 <= 2147483647;main_~P8~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;assume -2147483648 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 2147483647;main_~P9~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; {37229#(<= |ULTIMATE.start_main_~this_expect~0#1| 13)} is VALID [2022-02-20 16:07:55,965 INFO L290 TraceCheckUtils]: 303: Hoare triple {37229#(<= |ULTIMATE.start_main_~this_expect~0#1| 13)} assume !(main_~this_expect~0#1 > 16); {37229#(<= |ULTIMATE.start_main_~this_expect~0#1| 13)} is VALID [2022-02-20 16:07:55,965 INFO L290 TraceCheckUtils]: 304: Hoare triple {37229#(<= |ULTIMATE.start_main_~this_expect~0#1| 13)} assume !(0 == main_~q~0#1); {37229#(<= |ULTIMATE.start_main_~this_expect~0#1| 13)} is VALID [2022-02-20 16:07:55,965 INFO L290 TraceCheckUtils]: 305: Hoare triple {37229#(<= |ULTIMATE.start_main_~this_expect~0#1| 13)} assume !(1 == main_~q~0#1); {37229#(<= |ULTIMATE.start_main_~this_expect~0#1| 13)} is VALID [2022-02-20 16:07:55,966 INFO L290 TraceCheckUtils]: 306: Hoare triple {37229#(<= |ULTIMATE.start_main_~this_expect~0#1| 13)} assume !(2 == main_~q~0#1); {37229#(<= |ULTIMATE.start_main_~this_expect~0#1| 13)} is VALID [2022-02-20 16:07:55,966 INFO L290 TraceCheckUtils]: 307: Hoare triple {37229#(<= |ULTIMATE.start_main_~this_expect~0#1| 13)} assume !(3 == main_~q~0#1); {37229#(<= |ULTIMATE.start_main_~this_expect~0#1| 13)} is VALID [2022-02-20 16:07:55,966 INFO L290 TraceCheckUtils]: 308: Hoare triple {37229#(<= |ULTIMATE.start_main_~this_expect~0#1| 13)} assume 4 == main_~q~0#1;assume -2147483648 <= main_#t~nondet32#1 && main_#t~nondet32#1 <= 2147483647; {37229#(<= |ULTIMATE.start_main_~this_expect~0#1| 13)} is VALID [2022-02-20 16:07:55,966 INFO L290 TraceCheckUtils]: 309: Hoare triple {37229#(<= |ULTIMATE.start_main_~this_expect~0#1| 13)} assume !(0 != main_#t~nondet32#1);havoc main_#t~nondet32#1;assume -2147483648 <= main_#t~nondet33#1 && main_#t~nondet33#1 <= 2147483647; {37229#(<= |ULTIMATE.start_main_~this_expect~0#1| 13)} is VALID [2022-02-20 16:07:55,967 INFO L290 TraceCheckUtils]: 310: Hoare triple {37229#(<= |ULTIMATE.start_main_~this_expect~0#1| 13)} assume !(0 != main_#t~nondet33#1);havoc main_#t~nondet33#1;assume -2147483648 <= main_#t~nondet34#1 && main_#t~nondet34#1 <= 2147483647; {37229#(<= |ULTIMATE.start_main_~this_expect~0#1| 13)} is VALID [2022-02-20 16:07:55,967 INFO L290 TraceCheckUtils]: 311: Hoare triple {37229#(<= |ULTIMATE.start_main_~this_expect~0#1| 13)} assume !(0 != main_#t~nondet34#1);havoc main_#t~nondet34#1;assume -2147483648 <= main_#t~nondet35#1 && main_#t~nondet35#1 <= 2147483647; {37229#(<= |ULTIMATE.start_main_~this_expect~0#1| 13)} is VALID [2022-02-20 16:07:55,967 INFO L290 TraceCheckUtils]: 312: Hoare triple {37229#(<= |ULTIMATE.start_main_~this_expect~0#1| 13)} assume 0 != main_#t~nondet35#1;havoc main_#t~nondet35#1; {37229#(<= |ULTIMATE.start_main_~this_expect~0#1| 13)} is VALID [2022-02-20 16:07:55,967 INFO L290 TraceCheckUtils]: 313: Hoare triple {37229#(<= |ULTIMATE.start_main_~this_expect~0#1| 13)} assume 0 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2) && !(1 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2) && 0 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2));main_~method_id~0#1 := 5; {37229#(<= |ULTIMATE.start_main_~this_expect~0#1| 13)} is VALID [2022-02-20 16:07:55,968 INFO L290 TraceCheckUtils]: 314: Hoare triple {37229#(<= |ULTIMATE.start_main_~this_expect~0#1| 13)} assume !(((((if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2) != (if main_~this_expect~0#1 < 0 && 0 != main_~this_expect~0#1 % 2 then main_~this_expect~0#1 % 2 - 2 else main_~this_expect~0#1 % 2) && 1 == main_~this_buffer_empty~0#1) && 0 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2)) && 0 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2) && !(1 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2) && 0 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2))) || ((1 != main_~this_buffer_empty~0#1 && 0 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2)) && 0 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2) && !(1 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2) && 0 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2))));main_~q~0#1 := 5;main_~this_expect~0#1 := 1 + main_~this_expect~0#1;main_~this_buffer_empty~0#1 := 1 - main_~this_buffer_empty~0#1; {37230#(<= |ULTIMATE.start_main_~this_expect~0#1| 14)} is VALID [2022-02-20 16:07:55,968 INFO L290 TraceCheckUtils]: 315: Hoare triple {37230#(<= |ULTIMATE.start_main_~this_expect~0#1| 14)} assume !false;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_~P1~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647;main_~P2~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647;main_~P3~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;assume -2147483648 <= main_#t~nondet7#1 && main_#t~nondet7#1 <= 2147483647;main_~P4~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;assume -2147483648 <= main_#t~nondet8#1 && main_#t~nondet8#1 <= 2147483647;main_~P5~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647;main_~P6~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1;assume -2147483648 <= main_#t~nondet10#1 && main_#t~nondet10#1 <= 2147483647;main_~P7~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;assume -2147483648 <= main_#t~nondet11#1 && main_#t~nondet11#1 <= 2147483647;main_~P8~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;assume -2147483648 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 2147483647;main_~P9~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; {37230#(<= |ULTIMATE.start_main_~this_expect~0#1| 14)} is VALID [2022-02-20 16:07:55,969 INFO L290 TraceCheckUtils]: 316: Hoare triple {37230#(<= |ULTIMATE.start_main_~this_expect~0#1| 14)} assume main_~this_expect~0#1 > 16;main_~this_expect~0#1 := -16; {37215#false} is VALID [2022-02-20 16:07:55,969 INFO L290 TraceCheckUtils]: 317: Hoare triple {37215#false} assume !(0 == main_~q~0#1); {37215#false} is VALID [2022-02-20 16:07:55,969 INFO L290 TraceCheckUtils]: 318: Hoare triple {37215#false} assume !(1 == main_~q~0#1); {37215#false} is VALID [2022-02-20 16:07:55,969 INFO L290 TraceCheckUtils]: 319: Hoare triple {37215#false} assume !(2 == main_~q~0#1); {37215#false} is VALID [2022-02-20 16:07:55,969 INFO L290 TraceCheckUtils]: 320: Hoare triple {37215#false} assume !(3 == main_~q~0#1); {37215#false} is VALID [2022-02-20 16:07:55,969 INFO L290 TraceCheckUtils]: 321: Hoare triple {37215#false} assume !(4 == main_~q~0#1); {37215#false} is VALID [2022-02-20 16:07:55,969 INFO L290 TraceCheckUtils]: 322: Hoare triple {37215#false} assume 5 == main_~q~0#1;assume -2147483648 <= main_#t~nondet38#1 && main_#t~nondet38#1 <= 2147483647; {37215#false} is VALID [2022-02-20 16:07:55,969 INFO L290 TraceCheckUtils]: 323: Hoare triple {37215#false} assume !(0 != main_#t~nondet38#1);havoc main_#t~nondet38#1;assume -2147483648 <= main_#t~nondet39#1 && main_#t~nondet39#1 <= 2147483647; {37215#false} is VALID [2022-02-20 16:07:55,969 INFO L290 TraceCheckUtils]: 324: Hoare triple {37215#false} assume !(0 != main_#t~nondet39#1);havoc main_#t~nondet39#1;assume -2147483648 <= main_#t~nondet40#1 && main_#t~nondet40#1 <= 2147483647; {37215#false} is VALID [2022-02-20 16:07:55,969 INFO L290 TraceCheckUtils]: 325: Hoare triple {37215#false} assume !(0 != main_#t~nondet40#1);havoc main_#t~nondet40#1;assume -2147483648 <= main_#t~nondet41#1 && main_#t~nondet41#1 <= 2147483647; {37215#false} is VALID [2022-02-20 16:07:55,970 INFO L290 TraceCheckUtils]: 326: Hoare triple {37215#false} assume !(0 != main_#t~nondet41#1);havoc main_#t~nondet41#1;assume -2147483648 <= main_#t~nondet42#1 && main_#t~nondet42#1 <= 2147483647; {37215#false} is VALID [2022-02-20 16:07:55,970 INFO L290 TraceCheckUtils]: 327: Hoare triple {37215#false} assume 0 != main_#t~nondet42#1;havoc main_#t~nondet42#1; {37215#false} is VALID [2022-02-20 16:07:55,970 INFO L290 TraceCheckUtils]: 328: Hoare triple {37215#false} assume 0 != main_~P1~0#1 && 1 != main_~P1~0#1 && 0 != main_~P1~0#1;main_~method_id~0#1 := 6; {37215#false} is VALID [2022-02-20 16:07:55,970 INFO L290 TraceCheckUtils]: 329: Hoare triple {37215#false} assume ((main_~P8~0#1 == (if main_~this_expect~0#1 - 1 < 0 && 0 != (main_~this_expect~0#1 - 1) % 2 then (main_~this_expect~0#1 - 1) % 2 - 2 else (main_~this_expect~0#1 - 1) % 2) && 1 != main_~this_buffer_empty~0#1) && 0 != main_~P8~0#1) && 0 != main_~P8~0#1 && 1 != main_~P8~0#1 && 0 != main_~P8~0#1; {37215#false} is VALID [2022-02-20 16:07:55,970 INFO L290 TraceCheckUtils]: 330: Hoare triple {37215#false} assume !false; {37215#false} is VALID [2022-02-20 16:07:55,971 INFO L134 CoverageAnalysis]: Checked inductivity of 2551 backedges. 227 proven. 2258 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2022-02-20 16:07:55,972 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-20 16:07:57,132 INFO L290 TraceCheckUtils]: 330: Hoare triple {37215#false} assume !false; {37215#false} is VALID [2022-02-20 16:07:57,132 INFO L290 TraceCheckUtils]: 329: Hoare triple {37215#false} assume ((main_~P8~0#1 == (if main_~this_expect~0#1 - 1 < 0 && 0 != (main_~this_expect~0#1 - 1) % 2 then (main_~this_expect~0#1 - 1) % 2 - 2 else (main_~this_expect~0#1 - 1) % 2) && 1 != main_~this_buffer_empty~0#1) && 0 != main_~P8~0#1) && 0 != main_~P8~0#1 && 1 != main_~P8~0#1 && 0 != main_~P8~0#1; {37215#false} is VALID [2022-02-20 16:07:57,132 INFO L290 TraceCheckUtils]: 328: Hoare triple {37215#false} assume 0 != main_~P1~0#1 && 1 != main_~P1~0#1 && 0 != main_~P1~0#1;main_~method_id~0#1 := 6; {37215#false} is VALID [2022-02-20 16:07:57,132 INFO L290 TraceCheckUtils]: 327: Hoare triple {37215#false} assume 0 != main_#t~nondet42#1;havoc main_#t~nondet42#1; {37215#false} is VALID [2022-02-20 16:07:57,132 INFO L290 TraceCheckUtils]: 326: Hoare triple {37215#false} assume !(0 != main_#t~nondet41#1);havoc main_#t~nondet41#1;assume -2147483648 <= main_#t~nondet42#1 && main_#t~nondet42#1 <= 2147483647; {37215#false} is VALID [2022-02-20 16:07:57,132 INFO L290 TraceCheckUtils]: 325: Hoare triple {37215#false} assume !(0 != main_#t~nondet40#1);havoc main_#t~nondet40#1;assume -2147483648 <= main_#t~nondet41#1 && main_#t~nondet41#1 <= 2147483647; {37215#false} is VALID [2022-02-20 16:07:57,132 INFO L290 TraceCheckUtils]: 324: Hoare triple {37215#false} assume !(0 != main_#t~nondet39#1);havoc main_#t~nondet39#1;assume -2147483648 <= main_#t~nondet40#1 && main_#t~nondet40#1 <= 2147483647; {37215#false} is VALID [2022-02-20 16:07:57,132 INFO L290 TraceCheckUtils]: 323: Hoare triple {37215#false} assume !(0 != main_#t~nondet38#1);havoc main_#t~nondet38#1;assume -2147483648 <= main_#t~nondet39#1 && main_#t~nondet39#1 <= 2147483647; {37215#false} is VALID [2022-02-20 16:07:57,132 INFO L290 TraceCheckUtils]: 322: Hoare triple {37215#false} assume 5 == main_~q~0#1;assume -2147483648 <= main_#t~nondet38#1 && main_#t~nondet38#1 <= 2147483647; {37215#false} is VALID [2022-02-20 16:07:57,132 INFO L290 TraceCheckUtils]: 321: Hoare triple {37215#false} assume !(4 == main_~q~0#1); {37215#false} is VALID [2022-02-20 16:07:57,132 INFO L290 TraceCheckUtils]: 320: Hoare triple {37215#false} assume !(3 == main_~q~0#1); {37215#false} is VALID [2022-02-20 16:07:57,132 INFO L290 TraceCheckUtils]: 319: Hoare triple {37215#false} assume !(2 == main_~q~0#1); {37215#false} is VALID [2022-02-20 16:07:57,132 INFO L290 TraceCheckUtils]: 318: Hoare triple {37215#false} assume !(1 == main_~q~0#1); {37215#false} is VALID [2022-02-20 16:07:57,132 INFO L290 TraceCheckUtils]: 317: Hoare triple {37215#false} assume !(0 == main_~q~0#1); {37215#false} is VALID [2022-02-20 16:07:57,133 INFO L290 TraceCheckUtils]: 316: Hoare triple {38267#(not (< 16 |ULTIMATE.start_main_~this_expect~0#1|))} assume main_~this_expect~0#1 > 16;main_~this_expect~0#1 := -16; {37215#false} is VALID [2022-02-20 16:07:57,133 INFO L290 TraceCheckUtils]: 315: Hoare triple {38267#(not (< 16 |ULTIMATE.start_main_~this_expect~0#1|))} assume !false;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_~P1~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647;main_~P2~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647;main_~P3~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;assume -2147483648 <= main_#t~nondet7#1 && main_#t~nondet7#1 <= 2147483647;main_~P4~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;assume -2147483648 <= main_#t~nondet8#1 && main_#t~nondet8#1 <= 2147483647;main_~P5~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647;main_~P6~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1;assume -2147483648 <= main_#t~nondet10#1 && main_#t~nondet10#1 <= 2147483647;main_~P7~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;assume -2147483648 <= main_#t~nondet11#1 && main_#t~nondet11#1 <= 2147483647;main_~P8~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;assume -2147483648 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 2147483647;main_~P9~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; {38267#(not (< 16 |ULTIMATE.start_main_~this_expect~0#1|))} is VALID [2022-02-20 16:07:57,133 INFO L290 TraceCheckUtils]: 314: Hoare triple {38274#(<= |ULTIMATE.start_main_~this_expect~0#1| 15)} assume !(((((if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2) != (if main_~this_expect~0#1 < 0 && 0 != main_~this_expect~0#1 % 2 then main_~this_expect~0#1 % 2 - 2 else main_~this_expect~0#1 % 2) && 1 == main_~this_buffer_empty~0#1) && 0 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2)) && 0 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2) && !(1 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2) && 0 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2))) || ((1 != main_~this_buffer_empty~0#1 && 0 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2)) && 0 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2) && !(1 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2) && 0 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2))));main_~q~0#1 := 5;main_~this_expect~0#1 := 1 + main_~this_expect~0#1;main_~this_buffer_empty~0#1 := 1 - main_~this_buffer_empty~0#1; {38267#(not (< 16 |ULTIMATE.start_main_~this_expect~0#1|))} is VALID [2022-02-20 16:07:57,134 INFO L290 TraceCheckUtils]: 313: Hoare triple {38274#(<= |ULTIMATE.start_main_~this_expect~0#1| 15)} assume 0 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2) && !(1 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2) && 0 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2));main_~method_id~0#1 := 5; {38274#(<= |ULTIMATE.start_main_~this_expect~0#1| 15)} is VALID [2022-02-20 16:07:57,134 INFO L290 TraceCheckUtils]: 312: Hoare triple {38274#(<= |ULTIMATE.start_main_~this_expect~0#1| 15)} assume 0 != main_#t~nondet35#1;havoc main_#t~nondet35#1; {38274#(<= |ULTIMATE.start_main_~this_expect~0#1| 15)} is VALID [2022-02-20 16:07:57,134 INFO L290 TraceCheckUtils]: 311: Hoare triple {38274#(<= |ULTIMATE.start_main_~this_expect~0#1| 15)} assume !(0 != main_#t~nondet34#1);havoc main_#t~nondet34#1;assume -2147483648 <= main_#t~nondet35#1 && main_#t~nondet35#1 <= 2147483647; {38274#(<= |ULTIMATE.start_main_~this_expect~0#1| 15)} is VALID [2022-02-20 16:07:57,134 INFO L290 TraceCheckUtils]: 310: Hoare triple {38274#(<= |ULTIMATE.start_main_~this_expect~0#1| 15)} assume !(0 != main_#t~nondet33#1);havoc main_#t~nondet33#1;assume -2147483648 <= main_#t~nondet34#1 && main_#t~nondet34#1 <= 2147483647; {38274#(<= |ULTIMATE.start_main_~this_expect~0#1| 15)} is VALID [2022-02-20 16:07:57,135 INFO L290 TraceCheckUtils]: 309: Hoare triple {38274#(<= |ULTIMATE.start_main_~this_expect~0#1| 15)} assume !(0 != main_#t~nondet32#1);havoc main_#t~nondet32#1;assume -2147483648 <= main_#t~nondet33#1 && main_#t~nondet33#1 <= 2147483647; {38274#(<= |ULTIMATE.start_main_~this_expect~0#1| 15)} is VALID [2022-02-20 16:07:57,135 INFO L290 TraceCheckUtils]: 308: Hoare triple {38274#(<= |ULTIMATE.start_main_~this_expect~0#1| 15)} assume 4 == main_~q~0#1;assume -2147483648 <= main_#t~nondet32#1 && main_#t~nondet32#1 <= 2147483647; {38274#(<= |ULTIMATE.start_main_~this_expect~0#1| 15)} is VALID [2022-02-20 16:07:57,135 INFO L290 TraceCheckUtils]: 307: Hoare triple {38274#(<= |ULTIMATE.start_main_~this_expect~0#1| 15)} assume !(3 == main_~q~0#1); {38274#(<= |ULTIMATE.start_main_~this_expect~0#1| 15)} is VALID [2022-02-20 16:07:57,136 INFO L290 TraceCheckUtils]: 306: Hoare triple {38274#(<= |ULTIMATE.start_main_~this_expect~0#1| 15)} assume !(2 == main_~q~0#1); {38274#(<= |ULTIMATE.start_main_~this_expect~0#1| 15)} is VALID [2022-02-20 16:07:57,136 INFO L290 TraceCheckUtils]: 305: Hoare triple {38274#(<= |ULTIMATE.start_main_~this_expect~0#1| 15)} assume !(1 == main_~q~0#1); {38274#(<= |ULTIMATE.start_main_~this_expect~0#1| 15)} is VALID [2022-02-20 16:07:57,136 INFO L290 TraceCheckUtils]: 304: Hoare triple {38274#(<= |ULTIMATE.start_main_~this_expect~0#1| 15)} assume !(0 == main_~q~0#1); {38274#(<= |ULTIMATE.start_main_~this_expect~0#1| 15)} is VALID [2022-02-20 16:07:57,136 INFO L290 TraceCheckUtils]: 303: Hoare triple {38274#(<= |ULTIMATE.start_main_~this_expect~0#1| 15)} assume !(main_~this_expect~0#1 > 16); {38274#(<= |ULTIMATE.start_main_~this_expect~0#1| 15)} is VALID [2022-02-20 16:07:57,137 INFO L290 TraceCheckUtils]: 302: Hoare triple {38274#(<= |ULTIMATE.start_main_~this_expect~0#1| 15)} assume !false;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_~P1~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647;main_~P2~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647;main_~P3~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;assume -2147483648 <= main_#t~nondet7#1 && main_#t~nondet7#1 <= 2147483647;main_~P4~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;assume -2147483648 <= main_#t~nondet8#1 && main_#t~nondet8#1 <= 2147483647;main_~P5~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647;main_~P6~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1;assume -2147483648 <= main_#t~nondet10#1 && main_#t~nondet10#1 <= 2147483647;main_~P7~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;assume -2147483648 <= main_#t~nondet11#1 && main_#t~nondet11#1 <= 2147483647;main_~P8~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;assume -2147483648 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 2147483647;main_~P9~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; {38274#(<= |ULTIMATE.start_main_~this_expect~0#1| 15)} is VALID [2022-02-20 16:07:57,137 INFO L290 TraceCheckUtils]: 301: Hoare triple {38274#(<= |ULTIMATE.start_main_~this_expect~0#1| 15)} assume !((1 == main_~this_buffer_empty~0#1 && !(0 != main_~P3~0#1)) || ((main_~P3~0#1 != (if main_~this_expect~0#1 - 1 < 0 && 0 != (main_~this_expect~0#1 - 1) % 2 then (main_~this_expect~0#1 - 1) % 2 - 2 else (main_~this_expect~0#1 - 1) % 2) && 1 != main_~this_buffer_empty~0#1) && !(0 != main_~P3~0#1)));main_~q~0#1 := 4;main_~this_expect~0#1 := main_~this_expect~0#1;main_~this_buffer_empty~0#1 := 1 - main_~this_buffer_empty~0#1; {38274#(<= |ULTIMATE.start_main_~this_expect~0#1| 15)} is VALID [2022-02-20 16:07:57,137 INFO L290 TraceCheckUtils]: 300: Hoare triple {38274#(<= |ULTIMATE.start_main_~this_expect~0#1| 15)} assume !(0 != main_~P1~0#1);main_~method_id~0#1 := 3; {38274#(<= |ULTIMATE.start_main_~this_expect~0#1| 15)} is VALID [2022-02-20 16:07:57,137 INFO L290 TraceCheckUtils]: 299: Hoare triple {38274#(<= |ULTIMATE.start_main_~this_expect~0#1| 15)} assume 0 != main_#t~nondet27#1;havoc main_#t~nondet27#1; {38274#(<= |ULTIMATE.start_main_~this_expect~0#1| 15)} is VALID [2022-02-20 16:07:57,138 INFO L290 TraceCheckUtils]: 298: Hoare triple {38274#(<= |ULTIMATE.start_main_~this_expect~0#1| 15)} assume !(0 != main_#t~nondet26#1);havoc main_#t~nondet26#1;assume -2147483648 <= main_#t~nondet27#1 && main_#t~nondet27#1 <= 2147483647; {38274#(<= |ULTIMATE.start_main_~this_expect~0#1| 15)} is VALID [2022-02-20 16:07:57,138 INFO L290 TraceCheckUtils]: 297: Hoare triple {38274#(<= |ULTIMATE.start_main_~this_expect~0#1| 15)} assume 3 == main_~q~0#1;assume -2147483648 <= main_#t~nondet26#1 && main_#t~nondet26#1 <= 2147483647; {38274#(<= |ULTIMATE.start_main_~this_expect~0#1| 15)} is VALID [2022-02-20 16:07:57,138 INFO L290 TraceCheckUtils]: 296: Hoare triple {38274#(<= |ULTIMATE.start_main_~this_expect~0#1| 15)} assume !(2 == main_~q~0#1); {38274#(<= |ULTIMATE.start_main_~this_expect~0#1| 15)} is VALID [2022-02-20 16:07:57,138 INFO L290 TraceCheckUtils]: 295: Hoare triple {38274#(<= |ULTIMATE.start_main_~this_expect~0#1| 15)} assume !(1 == main_~q~0#1); {38274#(<= |ULTIMATE.start_main_~this_expect~0#1| 15)} is VALID [2022-02-20 16:07:57,138 INFO L290 TraceCheckUtils]: 294: Hoare triple {38274#(<= |ULTIMATE.start_main_~this_expect~0#1| 15)} assume !(0 == main_~q~0#1); {38274#(<= |ULTIMATE.start_main_~this_expect~0#1| 15)} is VALID [2022-02-20 16:07:57,139 INFO L290 TraceCheckUtils]: 293: Hoare triple {38274#(<= |ULTIMATE.start_main_~this_expect~0#1| 15)} assume !(main_~this_expect~0#1 > 16); {38274#(<= |ULTIMATE.start_main_~this_expect~0#1| 15)} is VALID [2022-02-20 16:07:57,139 INFO L290 TraceCheckUtils]: 292: Hoare triple {38274#(<= |ULTIMATE.start_main_~this_expect~0#1| 15)} assume !false;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_~P1~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647;main_~P2~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647;main_~P3~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;assume -2147483648 <= main_#t~nondet7#1 && main_#t~nondet7#1 <= 2147483647;main_~P4~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;assume -2147483648 <= main_#t~nondet8#1 && main_#t~nondet8#1 <= 2147483647;main_~P5~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647;main_~P6~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1;assume -2147483648 <= main_#t~nondet10#1 && main_#t~nondet10#1 <= 2147483647;main_~P7~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;assume -2147483648 <= main_#t~nondet11#1 && main_#t~nondet11#1 <= 2147483647;main_~P8~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;assume -2147483648 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 2147483647;main_~P9~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; {38274#(<= |ULTIMATE.start_main_~this_expect~0#1| 15)} is VALID [2022-02-20 16:07:57,140 INFO L290 TraceCheckUtils]: 291: Hoare triple {37230#(<= |ULTIMATE.start_main_~this_expect~0#1| 14)} assume !((((if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2) != (if main_~this_expect~0#1 < 0 && 0 != main_~this_expect~0#1 % 2 then main_~this_expect~0#1 % 2 - 2 else main_~this_expect~0#1 % 2) && 1 == main_~this_buffer_empty~0#1) && !(0 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2))) || (1 != main_~this_buffer_empty~0#1 && !(0 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2))));main_~q~0#1 := 3;main_~this_expect~0#1 := 1 + main_~this_expect~0#1;main_~this_buffer_empty~0#1 := 1 - main_~this_buffer_empty~0#1; {38274#(<= |ULTIMATE.start_main_~this_expect~0#1| 15)} is VALID [2022-02-20 16:07:57,140 INFO L290 TraceCheckUtils]: 290: Hoare triple {37230#(<= |ULTIMATE.start_main_~this_expect~0#1| 14)} assume !(0 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2));main_~method_id~0#1 := 2; {37230#(<= |ULTIMATE.start_main_~this_expect~0#1| 14)} is VALID [2022-02-20 16:07:57,140 INFO L290 TraceCheckUtils]: 289: Hoare triple {37230#(<= |ULTIMATE.start_main_~this_expect~0#1| 14)} assume 0 != main_#t~nondet14#1;havoc main_#t~nondet14#1; {37230#(<= |ULTIMATE.start_main_~this_expect~0#1| 14)} is VALID [2022-02-20 16:07:57,140 INFO L290 TraceCheckUtils]: 288: Hoare triple {37230#(<= |ULTIMATE.start_main_~this_expect~0#1| 14)} assume 1 == main_~q~0#1;assume -2147483648 <= main_#t~nondet14#1 && main_#t~nondet14#1 <= 2147483647; {37230#(<= |ULTIMATE.start_main_~this_expect~0#1| 14)} is VALID [2022-02-20 16:07:57,141 INFO L290 TraceCheckUtils]: 287: Hoare triple {37230#(<= |ULTIMATE.start_main_~this_expect~0#1| 14)} assume !(0 == main_~q~0#1); {37230#(<= |ULTIMATE.start_main_~this_expect~0#1| 14)} is VALID [2022-02-20 16:07:57,142 INFO L290 TraceCheckUtils]: 286: Hoare triple {37230#(<= |ULTIMATE.start_main_~this_expect~0#1| 14)} assume !(main_~this_expect~0#1 > 16); {37230#(<= |ULTIMATE.start_main_~this_expect~0#1| 14)} is VALID [2022-02-20 16:07:57,142 INFO L290 TraceCheckUtils]: 285: Hoare triple {37230#(<= |ULTIMATE.start_main_~this_expect~0#1| 14)} assume !false;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_~P1~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647;main_~P2~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647;main_~P3~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;assume -2147483648 <= main_#t~nondet7#1 && main_#t~nondet7#1 <= 2147483647;main_~P4~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;assume -2147483648 <= main_#t~nondet8#1 && main_#t~nondet8#1 <= 2147483647;main_~P5~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647;main_~P6~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1;assume -2147483648 <= main_#t~nondet10#1 && main_#t~nondet10#1 <= 2147483647;main_~P7~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;assume -2147483648 <= main_#t~nondet11#1 && main_#t~nondet11#1 <= 2147483647;main_~P8~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;assume -2147483648 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 2147483647;main_~P9~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; {37230#(<= |ULTIMATE.start_main_~this_expect~0#1| 14)} is VALID [2022-02-20 16:07:57,142 INFO L290 TraceCheckUtils]: 284: Hoare triple {37230#(<= |ULTIMATE.start_main_~this_expect~0#1| 14)} assume !(((1 == main_~this_buffer_empty~0#1 && 0 != main_~P9~0#1) && 0 != main_~P9~0#1 && !(1 != main_~P9~0#1 && 0 != main_~P9~0#1)) || (((main_~P9~0#1 != (if main_~this_expect~0#1 - 1 < 0 && 0 != (main_~this_expect~0#1 - 1) % 2 then (main_~this_expect~0#1 - 1) % 2 - 2 else (main_~this_expect~0#1 - 1) % 2) && 1 != main_~this_buffer_empty~0#1) && 0 != main_~P9~0#1) && 0 != main_~P9~0#1 && !(1 != main_~P9~0#1 && 0 != main_~P9~0#1)));main_~q~0#1 := 1;main_~this_expect~0#1 := main_~this_expect~0#1;main_~this_buffer_empty~0#1 := 1 - main_~this_buffer_empty~0#1; {37230#(<= |ULTIMATE.start_main_~this_expect~0#1| 14)} is VALID [2022-02-20 16:07:57,142 INFO L290 TraceCheckUtils]: 283: Hoare triple {37230#(<= |ULTIMATE.start_main_~this_expect~0#1| 14)} assume 0 != main_~P1~0#1 && !(1 != main_~P1~0#1 && 0 != main_~P1~0#1);main_~method_id~0#1 := 7; {37230#(<= |ULTIMATE.start_main_~this_expect~0#1| 14)} is VALID [2022-02-20 16:07:57,143 INFO L290 TraceCheckUtils]: 282: Hoare triple {37230#(<= |ULTIMATE.start_main_~this_expect~0#1| 14)} assume 0 != main_#t~nondet43#1;havoc main_#t~nondet43#1; {37230#(<= |ULTIMATE.start_main_~this_expect~0#1| 14)} is VALID [2022-02-20 16:07:57,144 INFO L290 TraceCheckUtils]: 281: Hoare triple {37230#(<= |ULTIMATE.start_main_~this_expect~0#1| 14)} assume !(0 != main_#t~nondet42#1);havoc main_#t~nondet42#1;assume -2147483648 <= main_#t~nondet43#1 && main_#t~nondet43#1 <= 2147483647; {37230#(<= |ULTIMATE.start_main_~this_expect~0#1| 14)} is VALID [2022-02-20 16:07:57,144 INFO L290 TraceCheckUtils]: 280: Hoare triple {37230#(<= |ULTIMATE.start_main_~this_expect~0#1| 14)} assume !(0 != main_#t~nondet41#1);havoc main_#t~nondet41#1;assume -2147483648 <= main_#t~nondet42#1 && main_#t~nondet42#1 <= 2147483647; {37230#(<= |ULTIMATE.start_main_~this_expect~0#1| 14)} is VALID [2022-02-20 16:07:57,144 INFO L290 TraceCheckUtils]: 279: Hoare triple {37230#(<= |ULTIMATE.start_main_~this_expect~0#1| 14)} assume !(0 != main_#t~nondet40#1);havoc main_#t~nondet40#1;assume -2147483648 <= main_#t~nondet41#1 && main_#t~nondet41#1 <= 2147483647; {37230#(<= |ULTIMATE.start_main_~this_expect~0#1| 14)} is VALID [2022-02-20 16:07:57,144 INFO L290 TraceCheckUtils]: 278: Hoare triple {37230#(<= |ULTIMATE.start_main_~this_expect~0#1| 14)} assume !(0 != main_#t~nondet39#1);havoc main_#t~nondet39#1;assume -2147483648 <= main_#t~nondet40#1 && main_#t~nondet40#1 <= 2147483647; {37230#(<= |ULTIMATE.start_main_~this_expect~0#1| 14)} is VALID [2022-02-20 16:07:57,145 INFO L290 TraceCheckUtils]: 277: Hoare triple {37230#(<= |ULTIMATE.start_main_~this_expect~0#1| 14)} assume !(0 != main_#t~nondet38#1);havoc main_#t~nondet38#1;assume -2147483648 <= main_#t~nondet39#1 && main_#t~nondet39#1 <= 2147483647; {37230#(<= |ULTIMATE.start_main_~this_expect~0#1| 14)} is VALID [2022-02-20 16:07:57,145 INFO L290 TraceCheckUtils]: 276: Hoare triple {37230#(<= |ULTIMATE.start_main_~this_expect~0#1| 14)} assume 5 == main_~q~0#1;assume -2147483648 <= main_#t~nondet38#1 && main_#t~nondet38#1 <= 2147483647; {37230#(<= |ULTIMATE.start_main_~this_expect~0#1| 14)} is VALID [2022-02-20 16:07:57,145 INFO L290 TraceCheckUtils]: 275: Hoare triple {37230#(<= |ULTIMATE.start_main_~this_expect~0#1| 14)} assume !(4 == main_~q~0#1); {37230#(<= |ULTIMATE.start_main_~this_expect~0#1| 14)} is VALID [2022-02-20 16:07:57,145 INFO L290 TraceCheckUtils]: 274: Hoare triple {37230#(<= |ULTIMATE.start_main_~this_expect~0#1| 14)} assume !(3 == main_~q~0#1); {37230#(<= |ULTIMATE.start_main_~this_expect~0#1| 14)} is VALID [2022-02-20 16:07:57,145 INFO L290 TraceCheckUtils]: 273: Hoare triple {37230#(<= |ULTIMATE.start_main_~this_expect~0#1| 14)} assume !(2 == main_~q~0#1); {37230#(<= |ULTIMATE.start_main_~this_expect~0#1| 14)} is VALID [2022-02-20 16:07:57,146 INFO L290 TraceCheckUtils]: 272: Hoare triple {37230#(<= |ULTIMATE.start_main_~this_expect~0#1| 14)} assume !(1 == main_~q~0#1); {37230#(<= |ULTIMATE.start_main_~this_expect~0#1| 14)} is VALID [2022-02-20 16:07:57,146 INFO L290 TraceCheckUtils]: 271: Hoare triple {37230#(<= |ULTIMATE.start_main_~this_expect~0#1| 14)} assume !(0 == main_~q~0#1); {37230#(<= |ULTIMATE.start_main_~this_expect~0#1| 14)} is VALID [2022-02-20 16:07:57,146 INFO L290 TraceCheckUtils]: 270: Hoare triple {37230#(<= |ULTIMATE.start_main_~this_expect~0#1| 14)} assume !(main_~this_expect~0#1 > 16); {37230#(<= |ULTIMATE.start_main_~this_expect~0#1| 14)} is VALID [2022-02-20 16:07:57,146 INFO L290 TraceCheckUtils]: 269: Hoare triple {37230#(<= |ULTIMATE.start_main_~this_expect~0#1| 14)} assume !false;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_~P1~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647;main_~P2~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647;main_~P3~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;assume -2147483648 <= main_#t~nondet7#1 && main_#t~nondet7#1 <= 2147483647;main_~P4~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;assume -2147483648 <= main_#t~nondet8#1 && main_#t~nondet8#1 <= 2147483647;main_~P5~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647;main_~P6~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1;assume -2147483648 <= main_#t~nondet10#1 && main_#t~nondet10#1 <= 2147483647;main_~P7~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;assume -2147483648 <= main_#t~nondet11#1 && main_#t~nondet11#1 <= 2147483647;main_~P8~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;assume -2147483648 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 2147483647;main_~P9~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; {37230#(<= |ULTIMATE.start_main_~this_expect~0#1| 14)} is VALID [2022-02-20 16:07:57,147 INFO L290 TraceCheckUtils]: 268: Hoare triple {37229#(<= |ULTIMATE.start_main_~this_expect~0#1| 13)} assume !(((((if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2) != (if main_~this_expect~0#1 < 0 && 0 != main_~this_expect~0#1 % 2 then main_~this_expect~0#1 % 2 - 2 else main_~this_expect~0#1 % 2) && 1 == main_~this_buffer_empty~0#1) && 0 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2)) && 0 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2) && !(1 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2) && 0 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2))) || ((1 != main_~this_buffer_empty~0#1 && 0 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2)) && 0 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2) && !(1 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2) && 0 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2))));main_~q~0#1 := 5;main_~this_expect~0#1 := 1 + main_~this_expect~0#1;main_~this_buffer_empty~0#1 := 1 - main_~this_buffer_empty~0#1; {37230#(<= |ULTIMATE.start_main_~this_expect~0#1| 14)} is VALID [2022-02-20 16:07:57,147 INFO L290 TraceCheckUtils]: 267: Hoare triple {37229#(<= |ULTIMATE.start_main_~this_expect~0#1| 13)} assume 0 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2) && !(1 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2) && 0 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2));main_~method_id~0#1 := 5; {37229#(<= |ULTIMATE.start_main_~this_expect~0#1| 13)} is VALID [2022-02-20 16:07:57,147 INFO L290 TraceCheckUtils]: 266: Hoare triple {37229#(<= |ULTIMATE.start_main_~this_expect~0#1| 13)} assume 0 != main_#t~nondet35#1;havoc main_#t~nondet35#1; {37229#(<= |ULTIMATE.start_main_~this_expect~0#1| 13)} is VALID [2022-02-20 16:07:57,148 INFO L290 TraceCheckUtils]: 265: Hoare triple {37229#(<= |ULTIMATE.start_main_~this_expect~0#1| 13)} assume !(0 != main_#t~nondet34#1);havoc main_#t~nondet34#1;assume -2147483648 <= main_#t~nondet35#1 && main_#t~nondet35#1 <= 2147483647; {37229#(<= |ULTIMATE.start_main_~this_expect~0#1| 13)} is VALID [2022-02-20 16:07:57,148 INFO L290 TraceCheckUtils]: 264: Hoare triple {37229#(<= |ULTIMATE.start_main_~this_expect~0#1| 13)} assume !(0 != main_#t~nondet33#1);havoc main_#t~nondet33#1;assume -2147483648 <= main_#t~nondet34#1 && main_#t~nondet34#1 <= 2147483647; {37229#(<= |ULTIMATE.start_main_~this_expect~0#1| 13)} is VALID [2022-02-20 16:07:57,148 INFO L290 TraceCheckUtils]: 263: Hoare triple {37229#(<= |ULTIMATE.start_main_~this_expect~0#1| 13)} assume !(0 != main_#t~nondet32#1);havoc main_#t~nondet32#1;assume -2147483648 <= main_#t~nondet33#1 && main_#t~nondet33#1 <= 2147483647; {37229#(<= |ULTIMATE.start_main_~this_expect~0#1| 13)} is VALID [2022-02-20 16:07:57,148 INFO L290 TraceCheckUtils]: 262: Hoare triple {37229#(<= |ULTIMATE.start_main_~this_expect~0#1| 13)} assume 4 == main_~q~0#1;assume -2147483648 <= main_#t~nondet32#1 && main_#t~nondet32#1 <= 2147483647; {37229#(<= |ULTIMATE.start_main_~this_expect~0#1| 13)} is VALID [2022-02-20 16:07:57,148 INFO L290 TraceCheckUtils]: 261: Hoare triple {37229#(<= |ULTIMATE.start_main_~this_expect~0#1| 13)} assume !(3 == main_~q~0#1); {37229#(<= |ULTIMATE.start_main_~this_expect~0#1| 13)} is VALID [2022-02-20 16:07:57,149 INFO L290 TraceCheckUtils]: 260: Hoare triple {37229#(<= |ULTIMATE.start_main_~this_expect~0#1| 13)} assume !(2 == main_~q~0#1); {37229#(<= |ULTIMATE.start_main_~this_expect~0#1| 13)} is VALID [2022-02-20 16:07:57,149 INFO L290 TraceCheckUtils]: 259: Hoare triple {37229#(<= |ULTIMATE.start_main_~this_expect~0#1| 13)} assume !(1 == main_~q~0#1); {37229#(<= |ULTIMATE.start_main_~this_expect~0#1| 13)} is VALID [2022-02-20 16:07:57,149 INFO L290 TraceCheckUtils]: 258: Hoare triple {37229#(<= |ULTIMATE.start_main_~this_expect~0#1| 13)} assume !(0 == main_~q~0#1); {37229#(<= |ULTIMATE.start_main_~this_expect~0#1| 13)} is VALID [2022-02-20 16:07:57,149 INFO L290 TraceCheckUtils]: 257: Hoare triple {37229#(<= |ULTIMATE.start_main_~this_expect~0#1| 13)} assume !(main_~this_expect~0#1 > 16); {37229#(<= |ULTIMATE.start_main_~this_expect~0#1| 13)} is VALID [2022-02-20 16:07:57,150 INFO L290 TraceCheckUtils]: 256: Hoare triple {37229#(<= |ULTIMATE.start_main_~this_expect~0#1| 13)} assume !false;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_~P1~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647;main_~P2~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647;main_~P3~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;assume -2147483648 <= main_#t~nondet7#1 && main_#t~nondet7#1 <= 2147483647;main_~P4~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;assume -2147483648 <= main_#t~nondet8#1 && main_#t~nondet8#1 <= 2147483647;main_~P5~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647;main_~P6~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1;assume -2147483648 <= main_#t~nondet10#1 && main_#t~nondet10#1 <= 2147483647;main_~P7~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;assume -2147483648 <= main_#t~nondet11#1 && main_#t~nondet11#1 <= 2147483647;main_~P8~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;assume -2147483648 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 2147483647;main_~P9~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; {37229#(<= |ULTIMATE.start_main_~this_expect~0#1| 13)} is VALID [2022-02-20 16:07:57,150 INFO L290 TraceCheckUtils]: 255: Hoare triple {37229#(<= |ULTIMATE.start_main_~this_expect~0#1| 13)} assume !((1 == main_~this_buffer_empty~0#1 && !(0 != main_~P3~0#1)) || ((main_~P3~0#1 != (if main_~this_expect~0#1 - 1 < 0 && 0 != (main_~this_expect~0#1 - 1) % 2 then (main_~this_expect~0#1 - 1) % 2 - 2 else (main_~this_expect~0#1 - 1) % 2) && 1 != main_~this_buffer_empty~0#1) && !(0 != main_~P3~0#1)));main_~q~0#1 := 4;main_~this_expect~0#1 := main_~this_expect~0#1;main_~this_buffer_empty~0#1 := 1 - main_~this_buffer_empty~0#1; {37229#(<= |ULTIMATE.start_main_~this_expect~0#1| 13)} is VALID [2022-02-20 16:07:57,150 INFO L290 TraceCheckUtils]: 254: Hoare triple {37229#(<= |ULTIMATE.start_main_~this_expect~0#1| 13)} assume !(0 != main_~P1~0#1);main_~method_id~0#1 := 3; {37229#(<= |ULTIMATE.start_main_~this_expect~0#1| 13)} is VALID [2022-02-20 16:07:57,150 INFO L290 TraceCheckUtils]: 253: Hoare triple {37229#(<= |ULTIMATE.start_main_~this_expect~0#1| 13)} assume 0 != main_#t~nondet27#1;havoc main_#t~nondet27#1; {37229#(<= |ULTIMATE.start_main_~this_expect~0#1| 13)} is VALID [2022-02-20 16:07:57,151 INFO L290 TraceCheckUtils]: 252: Hoare triple {37229#(<= |ULTIMATE.start_main_~this_expect~0#1| 13)} assume !(0 != main_#t~nondet26#1);havoc main_#t~nondet26#1;assume -2147483648 <= main_#t~nondet27#1 && main_#t~nondet27#1 <= 2147483647; {37229#(<= |ULTIMATE.start_main_~this_expect~0#1| 13)} is VALID [2022-02-20 16:07:57,151 INFO L290 TraceCheckUtils]: 251: Hoare triple {37229#(<= |ULTIMATE.start_main_~this_expect~0#1| 13)} assume 3 == main_~q~0#1;assume -2147483648 <= main_#t~nondet26#1 && main_#t~nondet26#1 <= 2147483647; {37229#(<= |ULTIMATE.start_main_~this_expect~0#1| 13)} is VALID [2022-02-20 16:07:57,151 INFO L290 TraceCheckUtils]: 250: Hoare triple {37229#(<= |ULTIMATE.start_main_~this_expect~0#1| 13)} assume !(2 == main_~q~0#1); {37229#(<= |ULTIMATE.start_main_~this_expect~0#1| 13)} is VALID [2022-02-20 16:07:57,151 INFO L290 TraceCheckUtils]: 249: Hoare triple {37229#(<= |ULTIMATE.start_main_~this_expect~0#1| 13)} assume !(1 == main_~q~0#1); {37229#(<= |ULTIMATE.start_main_~this_expect~0#1| 13)} is VALID [2022-02-20 16:07:57,152 INFO L290 TraceCheckUtils]: 248: Hoare triple {37229#(<= |ULTIMATE.start_main_~this_expect~0#1| 13)} assume !(0 == main_~q~0#1); {37229#(<= |ULTIMATE.start_main_~this_expect~0#1| 13)} is VALID [2022-02-20 16:07:57,152 INFO L290 TraceCheckUtils]: 247: Hoare triple {37229#(<= |ULTIMATE.start_main_~this_expect~0#1| 13)} assume !(main_~this_expect~0#1 > 16); {37229#(<= |ULTIMATE.start_main_~this_expect~0#1| 13)} is VALID [2022-02-20 16:07:57,152 INFO L290 TraceCheckUtils]: 246: Hoare triple {37229#(<= |ULTIMATE.start_main_~this_expect~0#1| 13)} assume !false;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_~P1~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647;main_~P2~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647;main_~P3~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;assume -2147483648 <= main_#t~nondet7#1 && main_#t~nondet7#1 <= 2147483647;main_~P4~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;assume -2147483648 <= main_#t~nondet8#1 && main_#t~nondet8#1 <= 2147483647;main_~P5~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647;main_~P6~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1;assume -2147483648 <= main_#t~nondet10#1 && main_#t~nondet10#1 <= 2147483647;main_~P7~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;assume -2147483648 <= main_#t~nondet11#1 && main_#t~nondet11#1 <= 2147483647;main_~P8~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;assume -2147483648 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 2147483647;main_~P9~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; {37229#(<= |ULTIMATE.start_main_~this_expect~0#1| 13)} is VALID [2022-02-20 16:07:57,153 INFO L290 TraceCheckUtils]: 245: Hoare triple {37228#(<= |ULTIMATE.start_main_~this_expect~0#1| 12)} assume !((((if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2) != (if main_~this_expect~0#1 < 0 && 0 != main_~this_expect~0#1 % 2 then main_~this_expect~0#1 % 2 - 2 else main_~this_expect~0#1 % 2) && 1 == main_~this_buffer_empty~0#1) && !(0 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2))) || (1 != main_~this_buffer_empty~0#1 && !(0 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2))));main_~q~0#1 := 3;main_~this_expect~0#1 := 1 + main_~this_expect~0#1;main_~this_buffer_empty~0#1 := 1 - main_~this_buffer_empty~0#1; {37229#(<= |ULTIMATE.start_main_~this_expect~0#1| 13)} is VALID [2022-02-20 16:07:57,153 INFO L290 TraceCheckUtils]: 244: Hoare triple {37228#(<= |ULTIMATE.start_main_~this_expect~0#1| 12)} assume !(0 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2));main_~method_id~0#1 := 2; {37228#(<= |ULTIMATE.start_main_~this_expect~0#1| 12)} is VALID [2022-02-20 16:07:57,153 INFO L290 TraceCheckUtils]: 243: Hoare triple {37228#(<= |ULTIMATE.start_main_~this_expect~0#1| 12)} assume 0 != main_#t~nondet14#1;havoc main_#t~nondet14#1; {37228#(<= |ULTIMATE.start_main_~this_expect~0#1| 12)} is VALID [2022-02-20 16:07:57,153 INFO L290 TraceCheckUtils]: 242: Hoare triple {37228#(<= |ULTIMATE.start_main_~this_expect~0#1| 12)} assume 1 == main_~q~0#1;assume -2147483648 <= main_#t~nondet14#1 && main_#t~nondet14#1 <= 2147483647; {37228#(<= |ULTIMATE.start_main_~this_expect~0#1| 12)} is VALID [2022-02-20 16:07:57,154 INFO L290 TraceCheckUtils]: 241: Hoare triple {37228#(<= |ULTIMATE.start_main_~this_expect~0#1| 12)} assume !(0 == main_~q~0#1); {37228#(<= |ULTIMATE.start_main_~this_expect~0#1| 12)} is VALID [2022-02-20 16:07:57,154 INFO L290 TraceCheckUtils]: 240: Hoare triple {37228#(<= |ULTIMATE.start_main_~this_expect~0#1| 12)} assume !(main_~this_expect~0#1 > 16); {37228#(<= |ULTIMATE.start_main_~this_expect~0#1| 12)} is VALID [2022-02-20 16:07:57,154 INFO L290 TraceCheckUtils]: 239: Hoare triple {37228#(<= |ULTIMATE.start_main_~this_expect~0#1| 12)} assume !false;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_~P1~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647;main_~P2~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647;main_~P3~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;assume -2147483648 <= main_#t~nondet7#1 && main_#t~nondet7#1 <= 2147483647;main_~P4~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;assume -2147483648 <= main_#t~nondet8#1 && main_#t~nondet8#1 <= 2147483647;main_~P5~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647;main_~P6~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1;assume -2147483648 <= main_#t~nondet10#1 && main_#t~nondet10#1 <= 2147483647;main_~P7~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;assume -2147483648 <= main_#t~nondet11#1 && main_#t~nondet11#1 <= 2147483647;main_~P8~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;assume -2147483648 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 2147483647;main_~P9~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; {37228#(<= |ULTIMATE.start_main_~this_expect~0#1| 12)} is VALID [2022-02-20 16:07:57,154 INFO L290 TraceCheckUtils]: 238: Hoare triple {37228#(<= |ULTIMATE.start_main_~this_expect~0#1| 12)} assume !(((1 == main_~this_buffer_empty~0#1 && 0 != main_~P9~0#1) && 0 != main_~P9~0#1 && !(1 != main_~P9~0#1 && 0 != main_~P9~0#1)) || (((main_~P9~0#1 != (if main_~this_expect~0#1 - 1 < 0 && 0 != (main_~this_expect~0#1 - 1) % 2 then (main_~this_expect~0#1 - 1) % 2 - 2 else (main_~this_expect~0#1 - 1) % 2) && 1 != main_~this_buffer_empty~0#1) && 0 != main_~P9~0#1) && 0 != main_~P9~0#1 && !(1 != main_~P9~0#1 && 0 != main_~P9~0#1)));main_~q~0#1 := 1;main_~this_expect~0#1 := main_~this_expect~0#1;main_~this_buffer_empty~0#1 := 1 - main_~this_buffer_empty~0#1; {37228#(<= |ULTIMATE.start_main_~this_expect~0#1| 12)} is VALID [2022-02-20 16:07:57,155 INFO L290 TraceCheckUtils]: 237: Hoare triple {37228#(<= |ULTIMATE.start_main_~this_expect~0#1| 12)} assume 0 != main_~P1~0#1 && !(1 != main_~P1~0#1 && 0 != main_~P1~0#1);main_~method_id~0#1 := 7; {37228#(<= |ULTIMATE.start_main_~this_expect~0#1| 12)} is VALID [2022-02-20 16:07:57,155 INFO L290 TraceCheckUtils]: 236: Hoare triple {37228#(<= |ULTIMATE.start_main_~this_expect~0#1| 12)} assume 0 != main_#t~nondet43#1;havoc main_#t~nondet43#1; {37228#(<= |ULTIMATE.start_main_~this_expect~0#1| 12)} is VALID [2022-02-20 16:07:57,155 INFO L290 TraceCheckUtils]: 235: Hoare triple {37228#(<= |ULTIMATE.start_main_~this_expect~0#1| 12)} assume !(0 != main_#t~nondet42#1);havoc main_#t~nondet42#1;assume -2147483648 <= main_#t~nondet43#1 && main_#t~nondet43#1 <= 2147483647; {37228#(<= |ULTIMATE.start_main_~this_expect~0#1| 12)} is VALID [2022-02-20 16:07:57,155 INFO L290 TraceCheckUtils]: 234: Hoare triple {37228#(<= |ULTIMATE.start_main_~this_expect~0#1| 12)} assume !(0 != main_#t~nondet41#1);havoc main_#t~nondet41#1;assume -2147483648 <= main_#t~nondet42#1 && main_#t~nondet42#1 <= 2147483647; {37228#(<= |ULTIMATE.start_main_~this_expect~0#1| 12)} is VALID [2022-02-20 16:07:57,157 INFO L290 TraceCheckUtils]: 233: Hoare triple {37228#(<= |ULTIMATE.start_main_~this_expect~0#1| 12)} assume !(0 != main_#t~nondet40#1);havoc main_#t~nondet40#1;assume -2147483648 <= main_#t~nondet41#1 && main_#t~nondet41#1 <= 2147483647; {37228#(<= |ULTIMATE.start_main_~this_expect~0#1| 12)} is VALID [2022-02-20 16:07:57,157 INFO L290 TraceCheckUtils]: 232: Hoare triple {37228#(<= |ULTIMATE.start_main_~this_expect~0#1| 12)} assume !(0 != main_#t~nondet39#1);havoc main_#t~nondet39#1;assume -2147483648 <= main_#t~nondet40#1 && main_#t~nondet40#1 <= 2147483647; {37228#(<= |ULTIMATE.start_main_~this_expect~0#1| 12)} is VALID [2022-02-20 16:07:57,157 INFO L290 TraceCheckUtils]: 231: Hoare triple {37228#(<= |ULTIMATE.start_main_~this_expect~0#1| 12)} assume !(0 != main_#t~nondet38#1);havoc main_#t~nondet38#1;assume -2147483648 <= main_#t~nondet39#1 && main_#t~nondet39#1 <= 2147483647; {37228#(<= |ULTIMATE.start_main_~this_expect~0#1| 12)} is VALID [2022-02-20 16:07:57,157 INFO L290 TraceCheckUtils]: 230: Hoare triple {37228#(<= |ULTIMATE.start_main_~this_expect~0#1| 12)} assume 5 == main_~q~0#1;assume -2147483648 <= main_#t~nondet38#1 && main_#t~nondet38#1 <= 2147483647; {37228#(<= |ULTIMATE.start_main_~this_expect~0#1| 12)} is VALID [2022-02-20 16:07:57,158 INFO L290 TraceCheckUtils]: 229: Hoare triple {37228#(<= |ULTIMATE.start_main_~this_expect~0#1| 12)} assume !(4 == main_~q~0#1); {37228#(<= |ULTIMATE.start_main_~this_expect~0#1| 12)} is VALID [2022-02-20 16:07:57,158 INFO L290 TraceCheckUtils]: 228: Hoare triple {37228#(<= |ULTIMATE.start_main_~this_expect~0#1| 12)} assume !(3 == main_~q~0#1); {37228#(<= |ULTIMATE.start_main_~this_expect~0#1| 12)} is VALID [2022-02-20 16:07:57,158 INFO L290 TraceCheckUtils]: 227: Hoare triple {37228#(<= |ULTIMATE.start_main_~this_expect~0#1| 12)} assume !(2 == main_~q~0#1); {37228#(<= |ULTIMATE.start_main_~this_expect~0#1| 12)} is VALID [2022-02-20 16:07:57,158 INFO L290 TraceCheckUtils]: 226: Hoare triple {37228#(<= |ULTIMATE.start_main_~this_expect~0#1| 12)} assume !(1 == main_~q~0#1); {37228#(<= |ULTIMATE.start_main_~this_expect~0#1| 12)} is VALID [2022-02-20 16:07:57,159 INFO L290 TraceCheckUtils]: 225: Hoare triple {37228#(<= |ULTIMATE.start_main_~this_expect~0#1| 12)} assume !(0 == main_~q~0#1); {37228#(<= |ULTIMATE.start_main_~this_expect~0#1| 12)} is VALID [2022-02-20 16:07:57,159 INFO L290 TraceCheckUtils]: 224: Hoare triple {37228#(<= |ULTIMATE.start_main_~this_expect~0#1| 12)} assume !(main_~this_expect~0#1 > 16); {37228#(<= |ULTIMATE.start_main_~this_expect~0#1| 12)} is VALID [2022-02-20 16:07:57,159 INFO L290 TraceCheckUtils]: 223: Hoare triple {37228#(<= |ULTIMATE.start_main_~this_expect~0#1| 12)} assume !false;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_~P1~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647;main_~P2~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647;main_~P3~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;assume -2147483648 <= main_#t~nondet7#1 && main_#t~nondet7#1 <= 2147483647;main_~P4~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;assume -2147483648 <= main_#t~nondet8#1 && main_#t~nondet8#1 <= 2147483647;main_~P5~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647;main_~P6~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1;assume -2147483648 <= main_#t~nondet10#1 && main_#t~nondet10#1 <= 2147483647;main_~P7~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;assume -2147483648 <= main_#t~nondet11#1 && main_#t~nondet11#1 <= 2147483647;main_~P8~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;assume -2147483648 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 2147483647;main_~P9~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; {37228#(<= |ULTIMATE.start_main_~this_expect~0#1| 12)} is VALID [2022-02-20 16:07:57,160 INFO L290 TraceCheckUtils]: 222: Hoare triple {37227#(<= |ULTIMATE.start_main_~this_expect~0#1| 11)} assume !(((((if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2) != (if main_~this_expect~0#1 < 0 && 0 != main_~this_expect~0#1 % 2 then main_~this_expect~0#1 % 2 - 2 else main_~this_expect~0#1 % 2) && 1 == main_~this_buffer_empty~0#1) && 0 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2)) && 0 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2) && !(1 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2) && 0 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2))) || ((1 != main_~this_buffer_empty~0#1 && 0 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2)) && 0 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2) && !(1 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2) && 0 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2))));main_~q~0#1 := 5;main_~this_expect~0#1 := 1 + main_~this_expect~0#1;main_~this_buffer_empty~0#1 := 1 - main_~this_buffer_empty~0#1; {37228#(<= |ULTIMATE.start_main_~this_expect~0#1| 12)} is VALID [2022-02-20 16:07:57,160 INFO L290 TraceCheckUtils]: 221: Hoare triple {37227#(<= |ULTIMATE.start_main_~this_expect~0#1| 11)} assume 0 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2) && !(1 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2) && 0 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2));main_~method_id~0#1 := 5; {37227#(<= |ULTIMATE.start_main_~this_expect~0#1| 11)} is VALID [2022-02-20 16:07:57,160 INFO L290 TraceCheckUtils]: 220: Hoare triple {37227#(<= |ULTIMATE.start_main_~this_expect~0#1| 11)} assume 0 != main_#t~nondet35#1;havoc main_#t~nondet35#1; {37227#(<= |ULTIMATE.start_main_~this_expect~0#1| 11)} is VALID [2022-02-20 16:07:57,160 INFO L290 TraceCheckUtils]: 219: Hoare triple {37227#(<= |ULTIMATE.start_main_~this_expect~0#1| 11)} assume !(0 != main_#t~nondet34#1);havoc main_#t~nondet34#1;assume -2147483648 <= main_#t~nondet35#1 && main_#t~nondet35#1 <= 2147483647; {37227#(<= |ULTIMATE.start_main_~this_expect~0#1| 11)} is VALID [2022-02-20 16:07:57,161 INFO L290 TraceCheckUtils]: 218: Hoare triple {37227#(<= |ULTIMATE.start_main_~this_expect~0#1| 11)} assume !(0 != main_#t~nondet33#1);havoc main_#t~nondet33#1;assume -2147483648 <= main_#t~nondet34#1 && main_#t~nondet34#1 <= 2147483647; {37227#(<= |ULTIMATE.start_main_~this_expect~0#1| 11)} is VALID [2022-02-20 16:07:57,161 INFO L290 TraceCheckUtils]: 217: Hoare triple {37227#(<= |ULTIMATE.start_main_~this_expect~0#1| 11)} assume !(0 != main_#t~nondet32#1);havoc main_#t~nondet32#1;assume -2147483648 <= main_#t~nondet33#1 && main_#t~nondet33#1 <= 2147483647; {37227#(<= |ULTIMATE.start_main_~this_expect~0#1| 11)} is VALID [2022-02-20 16:07:57,161 INFO L290 TraceCheckUtils]: 216: Hoare triple {37227#(<= |ULTIMATE.start_main_~this_expect~0#1| 11)} assume 4 == main_~q~0#1;assume -2147483648 <= main_#t~nondet32#1 && main_#t~nondet32#1 <= 2147483647; {37227#(<= |ULTIMATE.start_main_~this_expect~0#1| 11)} is VALID [2022-02-20 16:07:57,161 INFO L290 TraceCheckUtils]: 215: Hoare triple {37227#(<= |ULTIMATE.start_main_~this_expect~0#1| 11)} assume !(3 == main_~q~0#1); {37227#(<= |ULTIMATE.start_main_~this_expect~0#1| 11)} is VALID [2022-02-20 16:07:57,161 INFO L290 TraceCheckUtils]: 214: Hoare triple {37227#(<= |ULTIMATE.start_main_~this_expect~0#1| 11)} assume !(2 == main_~q~0#1); {37227#(<= |ULTIMATE.start_main_~this_expect~0#1| 11)} is VALID [2022-02-20 16:07:57,162 INFO L290 TraceCheckUtils]: 213: Hoare triple {37227#(<= |ULTIMATE.start_main_~this_expect~0#1| 11)} assume !(1 == main_~q~0#1); {37227#(<= |ULTIMATE.start_main_~this_expect~0#1| 11)} is VALID [2022-02-20 16:07:57,162 INFO L290 TraceCheckUtils]: 212: Hoare triple {37227#(<= |ULTIMATE.start_main_~this_expect~0#1| 11)} assume !(0 == main_~q~0#1); {37227#(<= |ULTIMATE.start_main_~this_expect~0#1| 11)} is VALID [2022-02-20 16:07:57,162 INFO L290 TraceCheckUtils]: 211: Hoare triple {37227#(<= |ULTIMATE.start_main_~this_expect~0#1| 11)} assume !(main_~this_expect~0#1 > 16); {37227#(<= |ULTIMATE.start_main_~this_expect~0#1| 11)} is VALID [2022-02-20 16:07:57,162 INFO L290 TraceCheckUtils]: 210: Hoare triple {37227#(<= |ULTIMATE.start_main_~this_expect~0#1| 11)} assume !false;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_~P1~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647;main_~P2~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647;main_~P3~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;assume -2147483648 <= main_#t~nondet7#1 && main_#t~nondet7#1 <= 2147483647;main_~P4~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;assume -2147483648 <= main_#t~nondet8#1 && main_#t~nondet8#1 <= 2147483647;main_~P5~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647;main_~P6~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1;assume -2147483648 <= main_#t~nondet10#1 && main_#t~nondet10#1 <= 2147483647;main_~P7~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;assume -2147483648 <= main_#t~nondet11#1 && main_#t~nondet11#1 <= 2147483647;main_~P8~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;assume -2147483648 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 2147483647;main_~P9~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; {37227#(<= |ULTIMATE.start_main_~this_expect~0#1| 11)} is VALID [2022-02-20 16:07:57,163 INFO L290 TraceCheckUtils]: 209: Hoare triple {37227#(<= |ULTIMATE.start_main_~this_expect~0#1| 11)} assume !((1 == main_~this_buffer_empty~0#1 && !(0 != main_~P3~0#1)) || ((main_~P3~0#1 != (if main_~this_expect~0#1 - 1 < 0 && 0 != (main_~this_expect~0#1 - 1) % 2 then (main_~this_expect~0#1 - 1) % 2 - 2 else (main_~this_expect~0#1 - 1) % 2) && 1 != main_~this_buffer_empty~0#1) && !(0 != main_~P3~0#1)));main_~q~0#1 := 4;main_~this_expect~0#1 := main_~this_expect~0#1;main_~this_buffer_empty~0#1 := 1 - main_~this_buffer_empty~0#1; {37227#(<= |ULTIMATE.start_main_~this_expect~0#1| 11)} is VALID [2022-02-20 16:07:57,163 INFO L290 TraceCheckUtils]: 208: Hoare triple {37227#(<= |ULTIMATE.start_main_~this_expect~0#1| 11)} assume !(0 != main_~P1~0#1);main_~method_id~0#1 := 3; {37227#(<= |ULTIMATE.start_main_~this_expect~0#1| 11)} is VALID [2022-02-20 16:07:57,163 INFO L290 TraceCheckUtils]: 207: Hoare triple {37227#(<= |ULTIMATE.start_main_~this_expect~0#1| 11)} assume 0 != main_#t~nondet27#1;havoc main_#t~nondet27#1; {37227#(<= |ULTIMATE.start_main_~this_expect~0#1| 11)} is VALID [2022-02-20 16:07:57,164 INFO L290 TraceCheckUtils]: 206: Hoare triple {37227#(<= |ULTIMATE.start_main_~this_expect~0#1| 11)} assume !(0 != main_#t~nondet26#1);havoc main_#t~nondet26#1;assume -2147483648 <= main_#t~nondet27#1 && main_#t~nondet27#1 <= 2147483647; {37227#(<= |ULTIMATE.start_main_~this_expect~0#1| 11)} is VALID [2022-02-20 16:07:57,165 INFO L290 TraceCheckUtils]: 205: Hoare triple {37227#(<= |ULTIMATE.start_main_~this_expect~0#1| 11)} assume 3 == main_~q~0#1;assume -2147483648 <= main_#t~nondet26#1 && main_#t~nondet26#1 <= 2147483647; {37227#(<= |ULTIMATE.start_main_~this_expect~0#1| 11)} is VALID [2022-02-20 16:07:57,165 INFO L290 TraceCheckUtils]: 204: Hoare triple {37227#(<= |ULTIMATE.start_main_~this_expect~0#1| 11)} assume !(2 == main_~q~0#1); {37227#(<= |ULTIMATE.start_main_~this_expect~0#1| 11)} is VALID [2022-02-20 16:07:57,165 INFO L290 TraceCheckUtils]: 203: Hoare triple {37227#(<= |ULTIMATE.start_main_~this_expect~0#1| 11)} assume !(1 == main_~q~0#1); {37227#(<= |ULTIMATE.start_main_~this_expect~0#1| 11)} is VALID [2022-02-20 16:07:57,165 INFO L290 TraceCheckUtils]: 202: Hoare triple {37227#(<= |ULTIMATE.start_main_~this_expect~0#1| 11)} assume !(0 == main_~q~0#1); {37227#(<= |ULTIMATE.start_main_~this_expect~0#1| 11)} is VALID [2022-02-20 16:07:57,166 INFO L290 TraceCheckUtils]: 201: Hoare triple {37227#(<= |ULTIMATE.start_main_~this_expect~0#1| 11)} assume !(main_~this_expect~0#1 > 16); {37227#(<= |ULTIMATE.start_main_~this_expect~0#1| 11)} is VALID [2022-02-20 16:07:57,166 INFO L290 TraceCheckUtils]: 200: Hoare triple {37227#(<= |ULTIMATE.start_main_~this_expect~0#1| 11)} assume !false;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_~P1~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647;main_~P2~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647;main_~P3~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;assume -2147483648 <= main_#t~nondet7#1 && main_#t~nondet7#1 <= 2147483647;main_~P4~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;assume -2147483648 <= main_#t~nondet8#1 && main_#t~nondet8#1 <= 2147483647;main_~P5~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647;main_~P6~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1;assume -2147483648 <= main_#t~nondet10#1 && main_#t~nondet10#1 <= 2147483647;main_~P7~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;assume -2147483648 <= main_#t~nondet11#1 && main_#t~nondet11#1 <= 2147483647;main_~P8~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;assume -2147483648 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 2147483647;main_~P9~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; {37227#(<= |ULTIMATE.start_main_~this_expect~0#1| 11)} is VALID [2022-02-20 16:07:57,166 INFO L290 TraceCheckUtils]: 199: Hoare triple {37226#(<= |ULTIMATE.start_main_~this_expect~0#1| 10)} assume !((((if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2) != (if main_~this_expect~0#1 < 0 && 0 != main_~this_expect~0#1 % 2 then main_~this_expect~0#1 % 2 - 2 else main_~this_expect~0#1 % 2) && 1 == main_~this_buffer_empty~0#1) && !(0 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2))) || (1 != main_~this_buffer_empty~0#1 && !(0 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2))));main_~q~0#1 := 3;main_~this_expect~0#1 := 1 + main_~this_expect~0#1;main_~this_buffer_empty~0#1 := 1 - main_~this_buffer_empty~0#1; {37227#(<= |ULTIMATE.start_main_~this_expect~0#1| 11)} is VALID [2022-02-20 16:07:57,167 INFO L290 TraceCheckUtils]: 198: Hoare triple {37226#(<= |ULTIMATE.start_main_~this_expect~0#1| 10)} assume !(0 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2));main_~method_id~0#1 := 2; {37226#(<= |ULTIMATE.start_main_~this_expect~0#1| 10)} is VALID [2022-02-20 16:07:57,167 INFO L290 TraceCheckUtils]: 197: Hoare triple {37226#(<= |ULTIMATE.start_main_~this_expect~0#1| 10)} assume 0 != main_#t~nondet14#1;havoc main_#t~nondet14#1; {37226#(<= |ULTIMATE.start_main_~this_expect~0#1| 10)} is VALID [2022-02-20 16:07:57,167 INFO L290 TraceCheckUtils]: 196: Hoare triple {37226#(<= |ULTIMATE.start_main_~this_expect~0#1| 10)} assume 1 == main_~q~0#1;assume -2147483648 <= main_#t~nondet14#1 && main_#t~nondet14#1 <= 2147483647; {37226#(<= |ULTIMATE.start_main_~this_expect~0#1| 10)} is VALID [2022-02-20 16:07:57,167 INFO L290 TraceCheckUtils]: 195: Hoare triple {37226#(<= |ULTIMATE.start_main_~this_expect~0#1| 10)} assume !(0 == main_~q~0#1); {37226#(<= |ULTIMATE.start_main_~this_expect~0#1| 10)} is VALID [2022-02-20 16:07:57,167 INFO L290 TraceCheckUtils]: 194: Hoare triple {37226#(<= |ULTIMATE.start_main_~this_expect~0#1| 10)} assume !(main_~this_expect~0#1 > 16); {37226#(<= |ULTIMATE.start_main_~this_expect~0#1| 10)} is VALID [2022-02-20 16:07:57,168 INFO L290 TraceCheckUtils]: 193: Hoare triple {37226#(<= |ULTIMATE.start_main_~this_expect~0#1| 10)} assume !false;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_~P1~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647;main_~P2~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647;main_~P3~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;assume -2147483648 <= main_#t~nondet7#1 && main_#t~nondet7#1 <= 2147483647;main_~P4~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;assume -2147483648 <= main_#t~nondet8#1 && main_#t~nondet8#1 <= 2147483647;main_~P5~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647;main_~P6~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1;assume -2147483648 <= main_#t~nondet10#1 && main_#t~nondet10#1 <= 2147483647;main_~P7~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;assume -2147483648 <= main_#t~nondet11#1 && main_#t~nondet11#1 <= 2147483647;main_~P8~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;assume -2147483648 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 2147483647;main_~P9~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; {37226#(<= |ULTIMATE.start_main_~this_expect~0#1| 10)} is VALID [2022-02-20 16:07:57,168 INFO L290 TraceCheckUtils]: 192: Hoare triple {37226#(<= |ULTIMATE.start_main_~this_expect~0#1| 10)} assume !(((1 == main_~this_buffer_empty~0#1 && 0 != main_~P9~0#1) && 0 != main_~P9~0#1 && !(1 != main_~P9~0#1 && 0 != main_~P9~0#1)) || (((main_~P9~0#1 != (if main_~this_expect~0#1 - 1 < 0 && 0 != (main_~this_expect~0#1 - 1) % 2 then (main_~this_expect~0#1 - 1) % 2 - 2 else (main_~this_expect~0#1 - 1) % 2) && 1 != main_~this_buffer_empty~0#1) && 0 != main_~P9~0#1) && 0 != main_~P9~0#1 && !(1 != main_~P9~0#1 && 0 != main_~P9~0#1)));main_~q~0#1 := 1;main_~this_expect~0#1 := main_~this_expect~0#1;main_~this_buffer_empty~0#1 := 1 - main_~this_buffer_empty~0#1; {37226#(<= |ULTIMATE.start_main_~this_expect~0#1| 10)} is VALID [2022-02-20 16:07:57,168 INFO L290 TraceCheckUtils]: 191: Hoare triple {37226#(<= |ULTIMATE.start_main_~this_expect~0#1| 10)} assume 0 != main_~P1~0#1 && !(1 != main_~P1~0#1 && 0 != main_~P1~0#1);main_~method_id~0#1 := 7; {37226#(<= |ULTIMATE.start_main_~this_expect~0#1| 10)} is VALID [2022-02-20 16:07:57,169 INFO L290 TraceCheckUtils]: 190: Hoare triple {37226#(<= |ULTIMATE.start_main_~this_expect~0#1| 10)} assume 0 != main_#t~nondet43#1;havoc main_#t~nondet43#1; {37226#(<= |ULTIMATE.start_main_~this_expect~0#1| 10)} is VALID [2022-02-20 16:07:57,169 INFO L290 TraceCheckUtils]: 189: Hoare triple {37226#(<= |ULTIMATE.start_main_~this_expect~0#1| 10)} assume !(0 != main_#t~nondet42#1);havoc main_#t~nondet42#1;assume -2147483648 <= main_#t~nondet43#1 && main_#t~nondet43#1 <= 2147483647; {37226#(<= |ULTIMATE.start_main_~this_expect~0#1| 10)} is VALID [2022-02-20 16:07:57,169 INFO L290 TraceCheckUtils]: 188: Hoare triple {37226#(<= |ULTIMATE.start_main_~this_expect~0#1| 10)} assume !(0 != main_#t~nondet41#1);havoc main_#t~nondet41#1;assume -2147483648 <= main_#t~nondet42#1 && main_#t~nondet42#1 <= 2147483647; {37226#(<= |ULTIMATE.start_main_~this_expect~0#1| 10)} is VALID [2022-02-20 16:07:57,169 INFO L290 TraceCheckUtils]: 187: Hoare triple {37226#(<= |ULTIMATE.start_main_~this_expect~0#1| 10)} assume !(0 != main_#t~nondet40#1);havoc main_#t~nondet40#1;assume -2147483648 <= main_#t~nondet41#1 && main_#t~nondet41#1 <= 2147483647; {37226#(<= |ULTIMATE.start_main_~this_expect~0#1| 10)} is VALID [2022-02-20 16:07:57,169 INFO L290 TraceCheckUtils]: 186: Hoare triple {37226#(<= |ULTIMATE.start_main_~this_expect~0#1| 10)} assume !(0 != main_#t~nondet39#1);havoc main_#t~nondet39#1;assume -2147483648 <= main_#t~nondet40#1 && main_#t~nondet40#1 <= 2147483647; {37226#(<= |ULTIMATE.start_main_~this_expect~0#1| 10)} is VALID [2022-02-20 16:07:57,170 INFO L290 TraceCheckUtils]: 185: Hoare triple {37226#(<= |ULTIMATE.start_main_~this_expect~0#1| 10)} assume !(0 != main_#t~nondet38#1);havoc main_#t~nondet38#1;assume -2147483648 <= main_#t~nondet39#1 && main_#t~nondet39#1 <= 2147483647; {37226#(<= |ULTIMATE.start_main_~this_expect~0#1| 10)} is VALID [2022-02-20 16:07:57,170 INFO L290 TraceCheckUtils]: 184: Hoare triple {37226#(<= |ULTIMATE.start_main_~this_expect~0#1| 10)} assume 5 == main_~q~0#1;assume -2147483648 <= main_#t~nondet38#1 && main_#t~nondet38#1 <= 2147483647; {37226#(<= |ULTIMATE.start_main_~this_expect~0#1| 10)} is VALID [2022-02-20 16:07:57,170 INFO L290 TraceCheckUtils]: 183: Hoare triple {37226#(<= |ULTIMATE.start_main_~this_expect~0#1| 10)} assume !(4 == main_~q~0#1); {37226#(<= |ULTIMATE.start_main_~this_expect~0#1| 10)} is VALID [2022-02-20 16:07:57,170 INFO L290 TraceCheckUtils]: 182: Hoare triple {37226#(<= |ULTIMATE.start_main_~this_expect~0#1| 10)} assume !(3 == main_~q~0#1); {37226#(<= |ULTIMATE.start_main_~this_expect~0#1| 10)} is VALID [2022-02-20 16:07:57,170 INFO L290 TraceCheckUtils]: 181: Hoare triple {37226#(<= |ULTIMATE.start_main_~this_expect~0#1| 10)} assume !(2 == main_~q~0#1); {37226#(<= |ULTIMATE.start_main_~this_expect~0#1| 10)} is VALID [2022-02-20 16:07:57,171 INFO L290 TraceCheckUtils]: 180: Hoare triple {37226#(<= |ULTIMATE.start_main_~this_expect~0#1| 10)} assume !(1 == main_~q~0#1); {37226#(<= |ULTIMATE.start_main_~this_expect~0#1| 10)} is VALID [2022-02-20 16:07:57,171 INFO L290 TraceCheckUtils]: 179: Hoare triple {37226#(<= |ULTIMATE.start_main_~this_expect~0#1| 10)} assume !(0 == main_~q~0#1); {37226#(<= |ULTIMATE.start_main_~this_expect~0#1| 10)} is VALID [2022-02-20 16:07:57,171 INFO L290 TraceCheckUtils]: 178: Hoare triple {37226#(<= |ULTIMATE.start_main_~this_expect~0#1| 10)} assume !(main_~this_expect~0#1 > 16); {37226#(<= |ULTIMATE.start_main_~this_expect~0#1| 10)} is VALID [2022-02-20 16:07:57,171 INFO L290 TraceCheckUtils]: 177: Hoare triple {37226#(<= |ULTIMATE.start_main_~this_expect~0#1| 10)} assume !false;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_~P1~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647;main_~P2~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647;main_~P3~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;assume -2147483648 <= main_#t~nondet7#1 && main_#t~nondet7#1 <= 2147483647;main_~P4~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;assume -2147483648 <= main_#t~nondet8#1 && main_#t~nondet8#1 <= 2147483647;main_~P5~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647;main_~P6~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1;assume -2147483648 <= main_#t~nondet10#1 && main_#t~nondet10#1 <= 2147483647;main_~P7~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;assume -2147483648 <= main_#t~nondet11#1 && main_#t~nondet11#1 <= 2147483647;main_~P8~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;assume -2147483648 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 2147483647;main_~P9~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; {37226#(<= |ULTIMATE.start_main_~this_expect~0#1| 10)} is VALID [2022-02-20 16:07:57,172 INFO L290 TraceCheckUtils]: 176: Hoare triple {37225#(<= |ULTIMATE.start_main_~this_expect~0#1| 9)} assume !(((((if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2) != (if main_~this_expect~0#1 < 0 && 0 != main_~this_expect~0#1 % 2 then main_~this_expect~0#1 % 2 - 2 else main_~this_expect~0#1 % 2) && 1 == main_~this_buffer_empty~0#1) && 0 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2)) && 0 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2) && !(1 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2) && 0 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2))) || ((1 != main_~this_buffer_empty~0#1 && 0 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2)) && 0 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2) && !(1 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2) && 0 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2))));main_~q~0#1 := 5;main_~this_expect~0#1 := 1 + main_~this_expect~0#1;main_~this_buffer_empty~0#1 := 1 - main_~this_buffer_empty~0#1; {37226#(<= |ULTIMATE.start_main_~this_expect~0#1| 10)} is VALID [2022-02-20 16:07:57,172 INFO L290 TraceCheckUtils]: 175: Hoare triple {37225#(<= |ULTIMATE.start_main_~this_expect~0#1| 9)} assume 0 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2) && !(1 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2) && 0 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2));main_~method_id~0#1 := 5; {37225#(<= |ULTIMATE.start_main_~this_expect~0#1| 9)} is VALID [2022-02-20 16:07:57,172 INFO L290 TraceCheckUtils]: 174: Hoare triple {37225#(<= |ULTIMATE.start_main_~this_expect~0#1| 9)} assume 0 != main_#t~nondet35#1;havoc main_#t~nondet35#1; {37225#(<= |ULTIMATE.start_main_~this_expect~0#1| 9)} is VALID [2022-02-20 16:07:57,173 INFO L290 TraceCheckUtils]: 173: Hoare triple {37225#(<= |ULTIMATE.start_main_~this_expect~0#1| 9)} assume !(0 != main_#t~nondet34#1);havoc main_#t~nondet34#1;assume -2147483648 <= main_#t~nondet35#1 && main_#t~nondet35#1 <= 2147483647; {37225#(<= |ULTIMATE.start_main_~this_expect~0#1| 9)} is VALID [2022-02-20 16:07:57,173 INFO L290 TraceCheckUtils]: 172: Hoare triple {37225#(<= |ULTIMATE.start_main_~this_expect~0#1| 9)} assume !(0 != main_#t~nondet33#1);havoc main_#t~nondet33#1;assume -2147483648 <= main_#t~nondet34#1 && main_#t~nondet34#1 <= 2147483647; {37225#(<= |ULTIMATE.start_main_~this_expect~0#1| 9)} is VALID [2022-02-20 16:07:57,173 INFO L290 TraceCheckUtils]: 171: Hoare triple {37225#(<= |ULTIMATE.start_main_~this_expect~0#1| 9)} assume !(0 != main_#t~nondet32#1);havoc main_#t~nondet32#1;assume -2147483648 <= main_#t~nondet33#1 && main_#t~nondet33#1 <= 2147483647; {37225#(<= |ULTIMATE.start_main_~this_expect~0#1| 9)} is VALID [2022-02-20 16:07:57,173 INFO L290 TraceCheckUtils]: 170: Hoare triple {37225#(<= |ULTIMATE.start_main_~this_expect~0#1| 9)} assume 4 == main_~q~0#1;assume -2147483648 <= main_#t~nondet32#1 && main_#t~nondet32#1 <= 2147483647; {37225#(<= |ULTIMATE.start_main_~this_expect~0#1| 9)} is VALID [2022-02-20 16:07:57,173 INFO L290 TraceCheckUtils]: 169: Hoare triple {37225#(<= |ULTIMATE.start_main_~this_expect~0#1| 9)} assume !(3 == main_~q~0#1); {37225#(<= |ULTIMATE.start_main_~this_expect~0#1| 9)} is VALID [2022-02-20 16:07:57,174 INFO L290 TraceCheckUtils]: 168: Hoare triple {37225#(<= |ULTIMATE.start_main_~this_expect~0#1| 9)} assume !(2 == main_~q~0#1); {37225#(<= |ULTIMATE.start_main_~this_expect~0#1| 9)} is VALID [2022-02-20 16:07:57,174 INFO L290 TraceCheckUtils]: 167: Hoare triple {37225#(<= |ULTIMATE.start_main_~this_expect~0#1| 9)} assume !(1 == main_~q~0#1); {37225#(<= |ULTIMATE.start_main_~this_expect~0#1| 9)} is VALID [2022-02-20 16:07:57,174 INFO L290 TraceCheckUtils]: 166: Hoare triple {37225#(<= |ULTIMATE.start_main_~this_expect~0#1| 9)} assume !(0 == main_~q~0#1); {37225#(<= |ULTIMATE.start_main_~this_expect~0#1| 9)} is VALID [2022-02-20 16:07:57,174 INFO L290 TraceCheckUtils]: 165: Hoare triple {37225#(<= |ULTIMATE.start_main_~this_expect~0#1| 9)} assume !(main_~this_expect~0#1 > 16); {37225#(<= |ULTIMATE.start_main_~this_expect~0#1| 9)} is VALID [2022-02-20 16:07:57,174 INFO L290 TraceCheckUtils]: 164: Hoare triple {37225#(<= |ULTIMATE.start_main_~this_expect~0#1| 9)} assume !false;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_~P1~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647;main_~P2~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647;main_~P3~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;assume -2147483648 <= main_#t~nondet7#1 && main_#t~nondet7#1 <= 2147483647;main_~P4~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;assume -2147483648 <= main_#t~nondet8#1 && main_#t~nondet8#1 <= 2147483647;main_~P5~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647;main_~P6~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1;assume -2147483648 <= main_#t~nondet10#1 && main_#t~nondet10#1 <= 2147483647;main_~P7~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;assume -2147483648 <= main_#t~nondet11#1 && main_#t~nondet11#1 <= 2147483647;main_~P8~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;assume -2147483648 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 2147483647;main_~P9~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; {37225#(<= |ULTIMATE.start_main_~this_expect~0#1| 9)} is VALID [2022-02-20 16:07:57,175 INFO L290 TraceCheckUtils]: 163: Hoare triple {37225#(<= |ULTIMATE.start_main_~this_expect~0#1| 9)} assume !((1 == main_~this_buffer_empty~0#1 && !(0 != main_~P3~0#1)) || ((main_~P3~0#1 != (if main_~this_expect~0#1 - 1 < 0 && 0 != (main_~this_expect~0#1 - 1) % 2 then (main_~this_expect~0#1 - 1) % 2 - 2 else (main_~this_expect~0#1 - 1) % 2) && 1 != main_~this_buffer_empty~0#1) && !(0 != main_~P3~0#1)));main_~q~0#1 := 4;main_~this_expect~0#1 := main_~this_expect~0#1;main_~this_buffer_empty~0#1 := 1 - main_~this_buffer_empty~0#1; {37225#(<= |ULTIMATE.start_main_~this_expect~0#1| 9)} is VALID [2022-02-20 16:07:57,175 INFO L290 TraceCheckUtils]: 162: Hoare triple {37225#(<= |ULTIMATE.start_main_~this_expect~0#1| 9)} assume !(0 != main_~P1~0#1);main_~method_id~0#1 := 3; {37225#(<= |ULTIMATE.start_main_~this_expect~0#1| 9)} is VALID [2022-02-20 16:07:57,175 INFO L290 TraceCheckUtils]: 161: Hoare triple {37225#(<= |ULTIMATE.start_main_~this_expect~0#1| 9)} assume 0 != main_#t~nondet27#1;havoc main_#t~nondet27#1; {37225#(<= |ULTIMATE.start_main_~this_expect~0#1| 9)} is VALID [2022-02-20 16:07:57,176 INFO L290 TraceCheckUtils]: 160: Hoare triple {37225#(<= |ULTIMATE.start_main_~this_expect~0#1| 9)} assume !(0 != main_#t~nondet26#1);havoc main_#t~nondet26#1;assume -2147483648 <= main_#t~nondet27#1 && main_#t~nondet27#1 <= 2147483647; {37225#(<= |ULTIMATE.start_main_~this_expect~0#1| 9)} is VALID [2022-02-20 16:07:57,176 INFO L290 TraceCheckUtils]: 159: Hoare triple {37225#(<= |ULTIMATE.start_main_~this_expect~0#1| 9)} assume 3 == main_~q~0#1;assume -2147483648 <= main_#t~nondet26#1 && main_#t~nondet26#1 <= 2147483647; {37225#(<= |ULTIMATE.start_main_~this_expect~0#1| 9)} is VALID [2022-02-20 16:07:57,176 INFO L290 TraceCheckUtils]: 158: Hoare triple {37225#(<= |ULTIMATE.start_main_~this_expect~0#1| 9)} assume !(2 == main_~q~0#1); {37225#(<= |ULTIMATE.start_main_~this_expect~0#1| 9)} is VALID [2022-02-20 16:07:57,176 INFO L290 TraceCheckUtils]: 157: Hoare triple {37225#(<= |ULTIMATE.start_main_~this_expect~0#1| 9)} assume !(1 == main_~q~0#1); {37225#(<= |ULTIMATE.start_main_~this_expect~0#1| 9)} is VALID [2022-02-20 16:07:57,176 INFO L290 TraceCheckUtils]: 156: Hoare triple {37225#(<= |ULTIMATE.start_main_~this_expect~0#1| 9)} assume !(0 == main_~q~0#1); {37225#(<= |ULTIMATE.start_main_~this_expect~0#1| 9)} is VALID [2022-02-20 16:07:57,177 INFO L290 TraceCheckUtils]: 155: Hoare triple {37225#(<= |ULTIMATE.start_main_~this_expect~0#1| 9)} assume !(main_~this_expect~0#1 > 16); {37225#(<= |ULTIMATE.start_main_~this_expect~0#1| 9)} is VALID [2022-02-20 16:07:57,177 INFO L290 TraceCheckUtils]: 154: Hoare triple {37225#(<= |ULTIMATE.start_main_~this_expect~0#1| 9)} assume !false;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_~P1~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647;main_~P2~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647;main_~P3~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;assume -2147483648 <= main_#t~nondet7#1 && main_#t~nondet7#1 <= 2147483647;main_~P4~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;assume -2147483648 <= main_#t~nondet8#1 && main_#t~nondet8#1 <= 2147483647;main_~P5~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647;main_~P6~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1;assume -2147483648 <= main_#t~nondet10#1 && main_#t~nondet10#1 <= 2147483647;main_~P7~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;assume -2147483648 <= main_#t~nondet11#1 && main_#t~nondet11#1 <= 2147483647;main_~P8~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;assume -2147483648 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 2147483647;main_~P9~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; {37225#(<= |ULTIMATE.start_main_~this_expect~0#1| 9)} is VALID [2022-02-20 16:07:57,177 INFO L290 TraceCheckUtils]: 153: Hoare triple {37224#(<= |ULTIMATE.start_main_~this_expect~0#1| 8)} assume !((((if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2) != (if main_~this_expect~0#1 < 0 && 0 != main_~this_expect~0#1 % 2 then main_~this_expect~0#1 % 2 - 2 else main_~this_expect~0#1 % 2) && 1 == main_~this_buffer_empty~0#1) && !(0 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2))) || (1 != main_~this_buffer_empty~0#1 && !(0 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2))));main_~q~0#1 := 3;main_~this_expect~0#1 := 1 + main_~this_expect~0#1;main_~this_buffer_empty~0#1 := 1 - main_~this_buffer_empty~0#1; {37225#(<= |ULTIMATE.start_main_~this_expect~0#1| 9)} is VALID [2022-02-20 16:07:57,178 INFO L290 TraceCheckUtils]: 152: Hoare triple {37224#(<= |ULTIMATE.start_main_~this_expect~0#1| 8)} assume !(0 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2));main_~method_id~0#1 := 2; {37224#(<= |ULTIMATE.start_main_~this_expect~0#1| 8)} is VALID [2022-02-20 16:07:57,178 INFO L290 TraceCheckUtils]: 151: Hoare triple {37224#(<= |ULTIMATE.start_main_~this_expect~0#1| 8)} assume 0 != main_#t~nondet14#1;havoc main_#t~nondet14#1; {37224#(<= |ULTIMATE.start_main_~this_expect~0#1| 8)} is VALID [2022-02-20 16:07:57,178 INFO L290 TraceCheckUtils]: 150: Hoare triple {37224#(<= |ULTIMATE.start_main_~this_expect~0#1| 8)} assume 1 == main_~q~0#1;assume -2147483648 <= main_#t~nondet14#1 && main_#t~nondet14#1 <= 2147483647; {37224#(<= |ULTIMATE.start_main_~this_expect~0#1| 8)} is VALID [2022-02-20 16:07:57,178 INFO L290 TraceCheckUtils]: 149: Hoare triple {37224#(<= |ULTIMATE.start_main_~this_expect~0#1| 8)} assume !(0 == main_~q~0#1); {37224#(<= |ULTIMATE.start_main_~this_expect~0#1| 8)} is VALID [2022-02-20 16:07:57,178 INFO L290 TraceCheckUtils]: 148: Hoare triple {37224#(<= |ULTIMATE.start_main_~this_expect~0#1| 8)} assume !(main_~this_expect~0#1 > 16); {37224#(<= |ULTIMATE.start_main_~this_expect~0#1| 8)} is VALID [2022-02-20 16:07:57,179 INFO L290 TraceCheckUtils]: 147: Hoare triple {37224#(<= |ULTIMATE.start_main_~this_expect~0#1| 8)} assume !false;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_~P1~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647;main_~P2~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647;main_~P3~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;assume -2147483648 <= main_#t~nondet7#1 && main_#t~nondet7#1 <= 2147483647;main_~P4~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;assume -2147483648 <= main_#t~nondet8#1 && main_#t~nondet8#1 <= 2147483647;main_~P5~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647;main_~P6~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1;assume -2147483648 <= main_#t~nondet10#1 && main_#t~nondet10#1 <= 2147483647;main_~P7~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;assume -2147483648 <= main_#t~nondet11#1 && main_#t~nondet11#1 <= 2147483647;main_~P8~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;assume -2147483648 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 2147483647;main_~P9~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; {37224#(<= |ULTIMATE.start_main_~this_expect~0#1| 8)} is VALID [2022-02-20 16:07:57,181 INFO L290 TraceCheckUtils]: 146: Hoare triple {37224#(<= |ULTIMATE.start_main_~this_expect~0#1| 8)} assume !(((1 == main_~this_buffer_empty~0#1 && 0 != main_~P9~0#1) && 0 != main_~P9~0#1 && !(1 != main_~P9~0#1 && 0 != main_~P9~0#1)) || (((main_~P9~0#1 != (if main_~this_expect~0#1 - 1 < 0 && 0 != (main_~this_expect~0#1 - 1) % 2 then (main_~this_expect~0#1 - 1) % 2 - 2 else (main_~this_expect~0#1 - 1) % 2) && 1 != main_~this_buffer_empty~0#1) && 0 != main_~P9~0#1) && 0 != main_~P9~0#1 && !(1 != main_~P9~0#1 && 0 != main_~P9~0#1)));main_~q~0#1 := 1;main_~this_expect~0#1 := main_~this_expect~0#1;main_~this_buffer_empty~0#1 := 1 - main_~this_buffer_empty~0#1; {37224#(<= |ULTIMATE.start_main_~this_expect~0#1| 8)} is VALID [2022-02-20 16:07:57,181 INFO L290 TraceCheckUtils]: 145: Hoare triple {37224#(<= |ULTIMATE.start_main_~this_expect~0#1| 8)} assume 0 != main_~P1~0#1 && !(1 != main_~P1~0#1 && 0 != main_~P1~0#1);main_~method_id~0#1 := 7; {37224#(<= |ULTIMATE.start_main_~this_expect~0#1| 8)} is VALID [2022-02-20 16:07:57,181 INFO L290 TraceCheckUtils]: 144: Hoare triple {37224#(<= |ULTIMATE.start_main_~this_expect~0#1| 8)} assume 0 != main_#t~nondet43#1;havoc main_#t~nondet43#1; {37224#(<= |ULTIMATE.start_main_~this_expect~0#1| 8)} is VALID [2022-02-20 16:07:57,182 INFO L290 TraceCheckUtils]: 143: Hoare triple {37224#(<= |ULTIMATE.start_main_~this_expect~0#1| 8)} assume !(0 != main_#t~nondet42#1);havoc main_#t~nondet42#1;assume -2147483648 <= main_#t~nondet43#1 && main_#t~nondet43#1 <= 2147483647; {37224#(<= |ULTIMATE.start_main_~this_expect~0#1| 8)} is VALID [2022-02-20 16:07:57,182 INFO L290 TraceCheckUtils]: 142: Hoare triple {37224#(<= |ULTIMATE.start_main_~this_expect~0#1| 8)} assume !(0 != main_#t~nondet41#1);havoc main_#t~nondet41#1;assume -2147483648 <= main_#t~nondet42#1 && main_#t~nondet42#1 <= 2147483647; {37224#(<= |ULTIMATE.start_main_~this_expect~0#1| 8)} is VALID [2022-02-20 16:07:57,182 INFO L290 TraceCheckUtils]: 141: Hoare triple {37224#(<= |ULTIMATE.start_main_~this_expect~0#1| 8)} assume !(0 != main_#t~nondet40#1);havoc main_#t~nondet40#1;assume -2147483648 <= main_#t~nondet41#1 && main_#t~nondet41#1 <= 2147483647; {37224#(<= |ULTIMATE.start_main_~this_expect~0#1| 8)} is VALID [2022-02-20 16:07:57,182 INFO L290 TraceCheckUtils]: 140: Hoare triple {37224#(<= |ULTIMATE.start_main_~this_expect~0#1| 8)} assume !(0 != main_#t~nondet39#1);havoc main_#t~nondet39#1;assume -2147483648 <= main_#t~nondet40#1 && main_#t~nondet40#1 <= 2147483647; {37224#(<= |ULTIMATE.start_main_~this_expect~0#1| 8)} is VALID [2022-02-20 16:07:57,182 INFO L290 TraceCheckUtils]: 139: Hoare triple {37224#(<= |ULTIMATE.start_main_~this_expect~0#1| 8)} assume !(0 != main_#t~nondet38#1);havoc main_#t~nondet38#1;assume -2147483648 <= main_#t~nondet39#1 && main_#t~nondet39#1 <= 2147483647; {37224#(<= |ULTIMATE.start_main_~this_expect~0#1| 8)} is VALID [2022-02-20 16:07:57,183 INFO L290 TraceCheckUtils]: 138: Hoare triple {37224#(<= |ULTIMATE.start_main_~this_expect~0#1| 8)} assume 5 == main_~q~0#1;assume -2147483648 <= main_#t~nondet38#1 && main_#t~nondet38#1 <= 2147483647; {37224#(<= |ULTIMATE.start_main_~this_expect~0#1| 8)} is VALID [2022-02-20 16:07:57,183 INFO L290 TraceCheckUtils]: 137: Hoare triple {37224#(<= |ULTIMATE.start_main_~this_expect~0#1| 8)} assume !(4 == main_~q~0#1); {37224#(<= |ULTIMATE.start_main_~this_expect~0#1| 8)} is VALID [2022-02-20 16:07:57,183 INFO L290 TraceCheckUtils]: 136: Hoare triple {37224#(<= |ULTIMATE.start_main_~this_expect~0#1| 8)} assume !(3 == main_~q~0#1); {37224#(<= |ULTIMATE.start_main_~this_expect~0#1| 8)} is VALID [2022-02-20 16:07:57,183 INFO L290 TraceCheckUtils]: 135: Hoare triple {37224#(<= |ULTIMATE.start_main_~this_expect~0#1| 8)} assume !(2 == main_~q~0#1); {37224#(<= |ULTIMATE.start_main_~this_expect~0#1| 8)} is VALID [2022-02-20 16:07:57,183 INFO L290 TraceCheckUtils]: 134: Hoare triple {37224#(<= |ULTIMATE.start_main_~this_expect~0#1| 8)} assume !(1 == main_~q~0#1); {37224#(<= |ULTIMATE.start_main_~this_expect~0#1| 8)} is VALID [2022-02-20 16:07:57,184 INFO L290 TraceCheckUtils]: 133: Hoare triple {37224#(<= |ULTIMATE.start_main_~this_expect~0#1| 8)} assume !(0 == main_~q~0#1); {37224#(<= |ULTIMATE.start_main_~this_expect~0#1| 8)} is VALID [2022-02-20 16:07:57,184 INFO L290 TraceCheckUtils]: 132: Hoare triple {37224#(<= |ULTIMATE.start_main_~this_expect~0#1| 8)} assume !(main_~this_expect~0#1 > 16); {37224#(<= |ULTIMATE.start_main_~this_expect~0#1| 8)} is VALID [2022-02-20 16:07:57,184 INFO L290 TraceCheckUtils]: 131: Hoare triple {37224#(<= |ULTIMATE.start_main_~this_expect~0#1| 8)} assume !false;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_~P1~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647;main_~P2~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647;main_~P3~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;assume -2147483648 <= main_#t~nondet7#1 && main_#t~nondet7#1 <= 2147483647;main_~P4~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;assume -2147483648 <= main_#t~nondet8#1 && main_#t~nondet8#1 <= 2147483647;main_~P5~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647;main_~P6~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1;assume -2147483648 <= main_#t~nondet10#1 && main_#t~nondet10#1 <= 2147483647;main_~P7~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;assume -2147483648 <= main_#t~nondet11#1 && main_#t~nondet11#1 <= 2147483647;main_~P8~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;assume -2147483648 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 2147483647;main_~P9~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; {37224#(<= |ULTIMATE.start_main_~this_expect~0#1| 8)} is VALID [2022-02-20 16:07:57,185 INFO L290 TraceCheckUtils]: 130: Hoare triple {37223#(<= |ULTIMATE.start_main_~this_expect~0#1| 7)} assume !(((((if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2) != (if main_~this_expect~0#1 < 0 && 0 != main_~this_expect~0#1 % 2 then main_~this_expect~0#1 % 2 - 2 else main_~this_expect~0#1 % 2) && 1 == main_~this_buffer_empty~0#1) && 0 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2)) && 0 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2) && !(1 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2) && 0 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2))) || ((1 != main_~this_buffer_empty~0#1 && 0 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2)) && 0 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2) && !(1 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2) && 0 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2))));main_~q~0#1 := 5;main_~this_expect~0#1 := 1 + main_~this_expect~0#1;main_~this_buffer_empty~0#1 := 1 - main_~this_buffer_empty~0#1; {37224#(<= |ULTIMATE.start_main_~this_expect~0#1| 8)} is VALID [2022-02-20 16:07:57,185 INFO L290 TraceCheckUtils]: 129: Hoare triple {37223#(<= |ULTIMATE.start_main_~this_expect~0#1| 7)} assume 0 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2) && !(1 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2) && 0 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2));main_~method_id~0#1 := 5; {37223#(<= |ULTIMATE.start_main_~this_expect~0#1| 7)} is VALID [2022-02-20 16:07:57,185 INFO L290 TraceCheckUtils]: 128: Hoare triple {37223#(<= |ULTIMATE.start_main_~this_expect~0#1| 7)} assume 0 != main_#t~nondet35#1;havoc main_#t~nondet35#1; {37223#(<= |ULTIMATE.start_main_~this_expect~0#1| 7)} is VALID [2022-02-20 16:07:57,185 INFO L290 TraceCheckUtils]: 127: Hoare triple {37223#(<= |ULTIMATE.start_main_~this_expect~0#1| 7)} assume !(0 != main_#t~nondet34#1);havoc main_#t~nondet34#1;assume -2147483648 <= main_#t~nondet35#1 && main_#t~nondet35#1 <= 2147483647; {37223#(<= |ULTIMATE.start_main_~this_expect~0#1| 7)} is VALID [2022-02-20 16:07:57,186 INFO L290 TraceCheckUtils]: 126: Hoare triple {37223#(<= |ULTIMATE.start_main_~this_expect~0#1| 7)} assume !(0 != main_#t~nondet33#1);havoc main_#t~nondet33#1;assume -2147483648 <= main_#t~nondet34#1 && main_#t~nondet34#1 <= 2147483647; {37223#(<= |ULTIMATE.start_main_~this_expect~0#1| 7)} is VALID [2022-02-20 16:07:57,186 INFO L290 TraceCheckUtils]: 125: Hoare triple {37223#(<= |ULTIMATE.start_main_~this_expect~0#1| 7)} assume !(0 != main_#t~nondet32#1);havoc main_#t~nondet32#1;assume -2147483648 <= main_#t~nondet33#1 && main_#t~nondet33#1 <= 2147483647; {37223#(<= |ULTIMATE.start_main_~this_expect~0#1| 7)} is VALID [2022-02-20 16:07:57,186 INFO L290 TraceCheckUtils]: 124: Hoare triple {37223#(<= |ULTIMATE.start_main_~this_expect~0#1| 7)} assume 4 == main_~q~0#1;assume -2147483648 <= main_#t~nondet32#1 && main_#t~nondet32#1 <= 2147483647; {37223#(<= |ULTIMATE.start_main_~this_expect~0#1| 7)} is VALID [2022-02-20 16:07:57,186 INFO L290 TraceCheckUtils]: 123: Hoare triple {37223#(<= |ULTIMATE.start_main_~this_expect~0#1| 7)} assume !(3 == main_~q~0#1); {37223#(<= |ULTIMATE.start_main_~this_expect~0#1| 7)} is VALID [2022-02-20 16:07:57,186 INFO L290 TraceCheckUtils]: 122: Hoare triple {37223#(<= |ULTIMATE.start_main_~this_expect~0#1| 7)} assume !(2 == main_~q~0#1); {37223#(<= |ULTIMATE.start_main_~this_expect~0#1| 7)} is VALID [2022-02-20 16:07:57,187 INFO L290 TraceCheckUtils]: 121: Hoare triple {37223#(<= |ULTIMATE.start_main_~this_expect~0#1| 7)} assume !(1 == main_~q~0#1); {37223#(<= |ULTIMATE.start_main_~this_expect~0#1| 7)} is VALID [2022-02-20 16:07:57,187 INFO L290 TraceCheckUtils]: 120: Hoare triple {37223#(<= |ULTIMATE.start_main_~this_expect~0#1| 7)} assume !(0 == main_~q~0#1); {37223#(<= |ULTIMATE.start_main_~this_expect~0#1| 7)} is VALID [2022-02-20 16:07:57,187 INFO L290 TraceCheckUtils]: 119: Hoare triple {37223#(<= |ULTIMATE.start_main_~this_expect~0#1| 7)} assume !(main_~this_expect~0#1 > 16); {37223#(<= |ULTIMATE.start_main_~this_expect~0#1| 7)} is VALID [2022-02-20 16:07:57,187 INFO L290 TraceCheckUtils]: 118: Hoare triple {37223#(<= |ULTIMATE.start_main_~this_expect~0#1| 7)} assume !false;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_~P1~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647;main_~P2~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647;main_~P3~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;assume -2147483648 <= main_#t~nondet7#1 && main_#t~nondet7#1 <= 2147483647;main_~P4~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;assume -2147483648 <= main_#t~nondet8#1 && main_#t~nondet8#1 <= 2147483647;main_~P5~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647;main_~P6~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1;assume -2147483648 <= main_#t~nondet10#1 && main_#t~nondet10#1 <= 2147483647;main_~P7~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;assume -2147483648 <= main_#t~nondet11#1 && main_#t~nondet11#1 <= 2147483647;main_~P8~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;assume -2147483648 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 2147483647;main_~P9~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; {37223#(<= |ULTIMATE.start_main_~this_expect~0#1| 7)} is VALID [2022-02-20 16:07:57,188 INFO L290 TraceCheckUtils]: 117: Hoare triple {37223#(<= |ULTIMATE.start_main_~this_expect~0#1| 7)} assume !((1 == main_~this_buffer_empty~0#1 && !(0 != main_~P3~0#1)) || ((main_~P3~0#1 != (if main_~this_expect~0#1 - 1 < 0 && 0 != (main_~this_expect~0#1 - 1) % 2 then (main_~this_expect~0#1 - 1) % 2 - 2 else (main_~this_expect~0#1 - 1) % 2) && 1 != main_~this_buffer_empty~0#1) && !(0 != main_~P3~0#1)));main_~q~0#1 := 4;main_~this_expect~0#1 := main_~this_expect~0#1;main_~this_buffer_empty~0#1 := 1 - main_~this_buffer_empty~0#1; {37223#(<= |ULTIMATE.start_main_~this_expect~0#1| 7)} is VALID [2022-02-20 16:07:57,188 INFO L290 TraceCheckUtils]: 116: Hoare triple {37223#(<= |ULTIMATE.start_main_~this_expect~0#1| 7)} assume !(0 != main_~P1~0#1);main_~method_id~0#1 := 3; {37223#(<= |ULTIMATE.start_main_~this_expect~0#1| 7)} is VALID [2022-02-20 16:07:57,188 INFO L290 TraceCheckUtils]: 115: Hoare triple {37223#(<= |ULTIMATE.start_main_~this_expect~0#1| 7)} assume 0 != main_#t~nondet27#1;havoc main_#t~nondet27#1; {37223#(<= |ULTIMATE.start_main_~this_expect~0#1| 7)} is VALID [2022-02-20 16:07:57,188 INFO L290 TraceCheckUtils]: 114: Hoare triple {37223#(<= |ULTIMATE.start_main_~this_expect~0#1| 7)} assume !(0 != main_#t~nondet26#1);havoc main_#t~nondet26#1;assume -2147483648 <= main_#t~nondet27#1 && main_#t~nondet27#1 <= 2147483647; {37223#(<= |ULTIMATE.start_main_~this_expect~0#1| 7)} is VALID [2022-02-20 16:07:57,189 INFO L290 TraceCheckUtils]: 113: Hoare triple {37223#(<= |ULTIMATE.start_main_~this_expect~0#1| 7)} assume 3 == main_~q~0#1;assume -2147483648 <= main_#t~nondet26#1 && main_#t~nondet26#1 <= 2147483647; {37223#(<= |ULTIMATE.start_main_~this_expect~0#1| 7)} is VALID [2022-02-20 16:07:57,189 INFO L290 TraceCheckUtils]: 112: Hoare triple {37223#(<= |ULTIMATE.start_main_~this_expect~0#1| 7)} assume !(2 == main_~q~0#1); {37223#(<= |ULTIMATE.start_main_~this_expect~0#1| 7)} is VALID [2022-02-20 16:07:57,189 INFO L290 TraceCheckUtils]: 111: Hoare triple {37223#(<= |ULTIMATE.start_main_~this_expect~0#1| 7)} assume !(1 == main_~q~0#1); {37223#(<= |ULTIMATE.start_main_~this_expect~0#1| 7)} is VALID [2022-02-20 16:07:57,189 INFO L290 TraceCheckUtils]: 110: Hoare triple {37223#(<= |ULTIMATE.start_main_~this_expect~0#1| 7)} assume !(0 == main_~q~0#1); {37223#(<= |ULTIMATE.start_main_~this_expect~0#1| 7)} is VALID [2022-02-20 16:07:57,189 INFO L290 TraceCheckUtils]: 109: Hoare triple {37223#(<= |ULTIMATE.start_main_~this_expect~0#1| 7)} assume !(main_~this_expect~0#1 > 16); {37223#(<= |ULTIMATE.start_main_~this_expect~0#1| 7)} is VALID [2022-02-20 16:07:57,190 INFO L290 TraceCheckUtils]: 108: Hoare triple {37223#(<= |ULTIMATE.start_main_~this_expect~0#1| 7)} assume !false;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_~P1~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647;main_~P2~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647;main_~P3~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;assume -2147483648 <= main_#t~nondet7#1 && main_#t~nondet7#1 <= 2147483647;main_~P4~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;assume -2147483648 <= main_#t~nondet8#1 && main_#t~nondet8#1 <= 2147483647;main_~P5~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647;main_~P6~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1;assume -2147483648 <= main_#t~nondet10#1 && main_#t~nondet10#1 <= 2147483647;main_~P7~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;assume -2147483648 <= main_#t~nondet11#1 && main_#t~nondet11#1 <= 2147483647;main_~P8~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;assume -2147483648 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 2147483647;main_~P9~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; {37223#(<= |ULTIMATE.start_main_~this_expect~0#1| 7)} is VALID [2022-02-20 16:07:57,190 INFO L290 TraceCheckUtils]: 107: Hoare triple {37222#(<= |ULTIMATE.start_main_~this_expect~0#1| 6)} assume !((((if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2) != (if main_~this_expect~0#1 < 0 && 0 != main_~this_expect~0#1 % 2 then main_~this_expect~0#1 % 2 - 2 else main_~this_expect~0#1 % 2) && 1 == main_~this_buffer_empty~0#1) && !(0 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2))) || (1 != main_~this_buffer_empty~0#1 && !(0 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2))));main_~q~0#1 := 3;main_~this_expect~0#1 := 1 + main_~this_expect~0#1;main_~this_buffer_empty~0#1 := 1 - main_~this_buffer_empty~0#1; {37223#(<= |ULTIMATE.start_main_~this_expect~0#1| 7)} is VALID [2022-02-20 16:07:57,190 INFO L290 TraceCheckUtils]: 106: Hoare triple {37222#(<= |ULTIMATE.start_main_~this_expect~0#1| 6)} assume !(0 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2));main_~method_id~0#1 := 2; {37222#(<= |ULTIMATE.start_main_~this_expect~0#1| 6)} is VALID [2022-02-20 16:07:57,191 INFO L290 TraceCheckUtils]: 105: Hoare triple {37222#(<= |ULTIMATE.start_main_~this_expect~0#1| 6)} assume 0 != main_#t~nondet14#1;havoc main_#t~nondet14#1; {37222#(<= |ULTIMATE.start_main_~this_expect~0#1| 6)} is VALID [2022-02-20 16:07:57,191 INFO L290 TraceCheckUtils]: 104: Hoare triple {37222#(<= |ULTIMATE.start_main_~this_expect~0#1| 6)} assume 1 == main_~q~0#1;assume -2147483648 <= main_#t~nondet14#1 && main_#t~nondet14#1 <= 2147483647; {37222#(<= |ULTIMATE.start_main_~this_expect~0#1| 6)} is VALID [2022-02-20 16:07:57,191 INFO L290 TraceCheckUtils]: 103: Hoare triple {37222#(<= |ULTIMATE.start_main_~this_expect~0#1| 6)} assume !(0 == main_~q~0#1); {37222#(<= |ULTIMATE.start_main_~this_expect~0#1| 6)} is VALID [2022-02-20 16:07:57,191 INFO L290 TraceCheckUtils]: 102: Hoare triple {37222#(<= |ULTIMATE.start_main_~this_expect~0#1| 6)} assume !(main_~this_expect~0#1 > 16); {37222#(<= |ULTIMATE.start_main_~this_expect~0#1| 6)} is VALID [2022-02-20 16:07:57,192 INFO L290 TraceCheckUtils]: 101: Hoare triple {37222#(<= |ULTIMATE.start_main_~this_expect~0#1| 6)} assume !false;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_~P1~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647;main_~P2~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647;main_~P3~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;assume -2147483648 <= main_#t~nondet7#1 && main_#t~nondet7#1 <= 2147483647;main_~P4~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;assume -2147483648 <= main_#t~nondet8#1 && main_#t~nondet8#1 <= 2147483647;main_~P5~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647;main_~P6~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1;assume -2147483648 <= main_#t~nondet10#1 && main_#t~nondet10#1 <= 2147483647;main_~P7~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;assume -2147483648 <= main_#t~nondet11#1 && main_#t~nondet11#1 <= 2147483647;main_~P8~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;assume -2147483648 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 2147483647;main_~P9~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; {37222#(<= |ULTIMATE.start_main_~this_expect~0#1| 6)} is VALID [2022-02-20 16:07:57,192 INFO L290 TraceCheckUtils]: 100: Hoare triple {37222#(<= |ULTIMATE.start_main_~this_expect~0#1| 6)} assume !(((1 == main_~this_buffer_empty~0#1 && 0 != main_~P9~0#1) && 0 != main_~P9~0#1 && !(1 != main_~P9~0#1 && 0 != main_~P9~0#1)) || (((main_~P9~0#1 != (if main_~this_expect~0#1 - 1 < 0 && 0 != (main_~this_expect~0#1 - 1) % 2 then (main_~this_expect~0#1 - 1) % 2 - 2 else (main_~this_expect~0#1 - 1) % 2) && 1 != main_~this_buffer_empty~0#1) && 0 != main_~P9~0#1) && 0 != main_~P9~0#1 && !(1 != main_~P9~0#1 && 0 != main_~P9~0#1)));main_~q~0#1 := 1;main_~this_expect~0#1 := main_~this_expect~0#1;main_~this_buffer_empty~0#1 := 1 - main_~this_buffer_empty~0#1; {37222#(<= |ULTIMATE.start_main_~this_expect~0#1| 6)} is VALID [2022-02-20 16:07:57,192 INFO L290 TraceCheckUtils]: 99: Hoare triple {37222#(<= |ULTIMATE.start_main_~this_expect~0#1| 6)} assume 0 != main_~P1~0#1 && !(1 != main_~P1~0#1 && 0 != main_~P1~0#1);main_~method_id~0#1 := 7; {37222#(<= |ULTIMATE.start_main_~this_expect~0#1| 6)} is VALID [2022-02-20 16:07:57,192 INFO L290 TraceCheckUtils]: 98: Hoare triple {37222#(<= |ULTIMATE.start_main_~this_expect~0#1| 6)} assume 0 != main_#t~nondet43#1;havoc main_#t~nondet43#1; {37222#(<= |ULTIMATE.start_main_~this_expect~0#1| 6)} is VALID [2022-02-20 16:07:57,193 INFO L290 TraceCheckUtils]: 97: Hoare triple {37222#(<= |ULTIMATE.start_main_~this_expect~0#1| 6)} assume !(0 != main_#t~nondet42#1);havoc main_#t~nondet42#1;assume -2147483648 <= main_#t~nondet43#1 && main_#t~nondet43#1 <= 2147483647; {37222#(<= |ULTIMATE.start_main_~this_expect~0#1| 6)} is VALID [2022-02-20 16:07:57,193 INFO L290 TraceCheckUtils]: 96: Hoare triple {37222#(<= |ULTIMATE.start_main_~this_expect~0#1| 6)} assume !(0 != main_#t~nondet41#1);havoc main_#t~nondet41#1;assume -2147483648 <= main_#t~nondet42#1 && main_#t~nondet42#1 <= 2147483647; {37222#(<= |ULTIMATE.start_main_~this_expect~0#1| 6)} is VALID [2022-02-20 16:07:57,193 INFO L290 TraceCheckUtils]: 95: Hoare triple {37222#(<= |ULTIMATE.start_main_~this_expect~0#1| 6)} assume !(0 != main_#t~nondet40#1);havoc main_#t~nondet40#1;assume -2147483648 <= main_#t~nondet41#1 && main_#t~nondet41#1 <= 2147483647; {37222#(<= |ULTIMATE.start_main_~this_expect~0#1| 6)} is VALID [2022-02-20 16:07:57,193 INFO L290 TraceCheckUtils]: 94: Hoare triple {37222#(<= |ULTIMATE.start_main_~this_expect~0#1| 6)} assume !(0 != main_#t~nondet39#1);havoc main_#t~nondet39#1;assume -2147483648 <= main_#t~nondet40#1 && main_#t~nondet40#1 <= 2147483647; {37222#(<= |ULTIMATE.start_main_~this_expect~0#1| 6)} is VALID [2022-02-20 16:07:57,194 INFO L290 TraceCheckUtils]: 93: Hoare triple {37222#(<= |ULTIMATE.start_main_~this_expect~0#1| 6)} assume !(0 != main_#t~nondet38#1);havoc main_#t~nondet38#1;assume -2147483648 <= main_#t~nondet39#1 && main_#t~nondet39#1 <= 2147483647; {37222#(<= |ULTIMATE.start_main_~this_expect~0#1| 6)} is VALID [2022-02-20 16:07:57,194 INFO L290 TraceCheckUtils]: 92: Hoare triple {37222#(<= |ULTIMATE.start_main_~this_expect~0#1| 6)} assume 5 == main_~q~0#1;assume -2147483648 <= main_#t~nondet38#1 && main_#t~nondet38#1 <= 2147483647; {37222#(<= |ULTIMATE.start_main_~this_expect~0#1| 6)} is VALID [2022-02-20 16:07:57,194 INFO L290 TraceCheckUtils]: 91: Hoare triple {37222#(<= |ULTIMATE.start_main_~this_expect~0#1| 6)} assume !(4 == main_~q~0#1); {37222#(<= |ULTIMATE.start_main_~this_expect~0#1| 6)} is VALID [2022-02-20 16:07:57,194 INFO L290 TraceCheckUtils]: 90: Hoare triple {37222#(<= |ULTIMATE.start_main_~this_expect~0#1| 6)} assume !(3 == main_~q~0#1); {37222#(<= |ULTIMATE.start_main_~this_expect~0#1| 6)} is VALID [2022-02-20 16:07:57,194 INFO L290 TraceCheckUtils]: 89: Hoare triple {37222#(<= |ULTIMATE.start_main_~this_expect~0#1| 6)} assume !(2 == main_~q~0#1); {37222#(<= |ULTIMATE.start_main_~this_expect~0#1| 6)} is VALID [2022-02-20 16:07:57,195 INFO L290 TraceCheckUtils]: 88: Hoare triple {37222#(<= |ULTIMATE.start_main_~this_expect~0#1| 6)} assume !(1 == main_~q~0#1); {37222#(<= |ULTIMATE.start_main_~this_expect~0#1| 6)} is VALID [2022-02-20 16:07:57,195 INFO L290 TraceCheckUtils]: 87: Hoare triple {37222#(<= |ULTIMATE.start_main_~this_expect~0#1| 6)} assume !(0 == main_~q~0#1); {37222#(<= |ULTIMATE.start_main_~this_expect~0#1| 6)} is VALID [2022-02-20 16:07:57,195 INFO L290 TraceCheckUtils]: 86: Hoare triple {37222#(<= |ULTIMATE.start_main_~this_expect~0#1| 6)} assume !(main_~this_expect~0#1 > 16); {37222#(<= |ULTIMATE.start_main_~this_expect~0#1| 6)} is VALID [2022-02-20 16:07:57,195 INFO L290 TraceCheckUtils]: 85: Hoare triple {37222#(<= |ULTIMATE.start_main_~this_expect~0#1| 6)} assume !false;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_~P1~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647;main_~P2~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647;main_~P3~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;assume -2147483648 <= main_#t~nondet7#1 && main_#t~nondet7#1 <= 2147483647;main_~P4~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;assume -2147483648 <= main_#t~nondet8#1 && main_#t~nondet8#1 <= 2147483647;main_~P5~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647;main_~P6~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1;assume -2147483648 <= main_#t~nondet10#1 && main_#t~nondet10#1 <= 2147483647;main_~P7~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;assume -2147483648 <= main_#t~nondet11#1 && main_#t~nondet11#1 <= 2147483647;main_~P8~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;assume -2147483648 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 2147483647;main_~P9~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; {37222#(<= |ULTIMATE.start_main_~this_expect~0#1| 6)} is VALID [2022-02-20 16:07:57,196 INFO L290 TraceCheckUtils]: 84: Hoare triple {37221#(<= |ULTIMATE.start_main_~this_expect~0#1| 5)} assume !(((((if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2) != (if main_~this_expect~0#1 < 0 && 0 != main_~this_expect~0#1 % 2 then main_~this_expect~0#1 % 2 - 2 else main_~this_expect~0#1 % 2) && 1 == main_~this_buffer_empty~0#1) && 0 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2)) && 0 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2) && !(1 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2) && 0 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2))) || ((1 != main_~this_buffer_empty~0#1 && 0 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2)) && 0 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2) && !(1 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2) && 0 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2))));main_~q~0#1 := 5;main_~this_expect~0#1 := 1 + main_~this_expect~0#1;main_~this_buffer_empty~0#1 := 1 - main_~this_buffer_empty~0#1; {37222#(<= |ULTIMATE.start_main_~this_expect~0#1| 6)} is VALID [2022-02-20 16:07:57,196 INFO L290 TraceCheckUtils]: 83: Hoare triple {37221#(<= |ULTIMATE.start_main_~this_expect~0#1| 5)} assume 0 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2) && !(1 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2) && 0 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2));main_~method_id~0#1 := 5; {37221#(<= |ULTIMATE.start_main_~this_expect~0#1| 5)} is VALID [2022-02-20 16:07:57,196 INFO L290 TraceCheckUtils]: 82: Hoare triple {37221#(<= |ULTIMATE.start_main_~this_expect~0#1| 5)} assume 0 != main_#t~nondet35#1;havoc main_#t~nondet35#1; {37221#(<= |ULTIMATE.start_main_~this_expect~0#1| 5)} is VALID [2022-02-20 16:07:57,197 INFO L290 TraceCheckUtils]: 81: Hoare triple {37221#(<= |ULTIMATE.start_main_~this_expect~0#1| 5)} assume !(0 != main_#t~nondet34#1);havoc main_#t~nondet34#1;assume -2147483648 <= main_#t~nondet35#1 && main_#t~nondet35#1 <= 2147483647; {37221#(<= |ULTIMATE.start_main_~this_expect~0#1| 5)} is VALID [2022-02-20 16:07:57,197 INFO L290 TraceCheckUtils]: 80: Hoare triple {37221#(<= |ULTIMATE.start_main_~this_expect~0#1| 5)} assume !(0 != main_#t~nondet33#1);havoc main_#t~nondet33#1;assume -2147483648 <= main_#t~nondet34#1 && main_#t~nondet34#1 <= 2147483647; {37221#(<= |ULTIMATE.start_main_~this_expect~0#1| 5)} is VALID [2022-02-20 16:07:57,197 INFO L290 TraceCheckUtils]: 79: Hoare triple {37221#(<= |ULTIMATE.start_main_~this_expect~0#1| 5)} assume !(0 != main_#t~nondet32#1);havoc main_#t~nondet32#1;assume -2147483648 <= main_#t~nondet33#1 && main_#t~nondet33#1 <= 2147483647; {37221#(<= |ULTIMATE.start_main_~this_expect~0#1| 5)} is VALID [2022-02-20 16:07:57,197 INFO L290 TraceCheckUtils]: 78: Hoare triple {37221#(<= |ULTIMATE.start_main_~this_expect~0#1| 5)} assume 4 == main_~q~0#1;assume -2147483648 <= main_#t~nondet32#1 && main_#t~nondet32#1 <= 2147483647; {37221#(<= |ULTIMATE.start_main_~this_expect~0#1| 5)} is VALID [2022-02-20 16:07:57,197 INFO L290 TraceCheckUtils]: 77: Hoare triple {37221#(<= |ULTIMATE.start_main_~this_expect~0#1| 5)} assume !(3 == main_~q~0#1); {37221#(<= |ULTIMATE.start_main_~this_expect~0#1| 5)} is VALID [2022-02-20 16:07:57,198 INFO L290 TraceCheckUtils]: 76: Hoare triple {37221#(<= |ULTIMATE.start_main_~this_expect~0#1| 5)} assume !(2 == main_~q~0#1); {37221#(<= |ULTIMATE.start_main_~this_expect~0#1| 5)} is VALID [2022-02-20 16:07:57,198 INFO L290 TraceCheckUtils]: 75: Hoare triple {37221#(<= |ULTIMATE.start_main_~this_expect~0#1| 5)} assume !(1 == main_~q~0#1); {37221#(<= |ULTIMATE.start_main_~this_expect~0#1| 5)} is VALID [2022-02-20 16:07:57,198 INFO L290 TraceCheckUtils]: 74: Hoare triple {37221#(<= |ULTIMATE.start_main_~this_expect~0#1| 5)} assume !(0 == main_~q~0#1); {37221#(<= |ULTIMATE.start_main_~this_expect~0#1| 5)} is VALID [2022-02-20 16:07:57,198 INFO L290 TraceCheckUtils]: 73: Hoare triple {37221#(<= |ULTIMATE.start_main_~this_expect~0#1| 5)} assume !(main_~this_expect~0#1 > 16); {37221#(<= |ULTIMATE.start_main_~this_expect~0#1| 5)} is VALID [2022-02-20 16:07:57,198 INFO L290 TraceCheckUtils]: 72: Hoare triple {37221#(<= |ULTIMATE.start_main_~this_expect~0#1| 5)} assume !false;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_~P1~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647;main_~P2~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647;main_~P3~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;assume -2147483648 <= main_#t~nondet7#1 && main_#t~nondet7#1 <= 2147483647;main_~P4~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;assume -2147483648 <= main_#t~nondet8#1 && main_#t~nondet8#1 <= 2147483647;main_~P5~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647;main_~P6~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1;assume -2147483648 <= main_#t~nondet10#1 && main_#t~nondet10#1 <= 2147483647;main_~P7~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;assume -2147483648 <= main_#t~nondet11#1 && main_#t~nondet11#1 <= 2147483647;main_~P8~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;assume -2147483648 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 2147483647;main_~P9~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; {37221#(<= |ULTIMATE.start_main_~this_expect~0#1| 5)} is VALID [2022-02-20 16:07:57,199 INFO L290 TraceCheckUtils]: 71: Hoare triple {37221#(<= |ULTIMATE.start_main_~this_expect~0#1| 5)} assume !((1 == main_~this_buffer_empty~0#1 && !(0 != main_~P3~0#1)) || ((main_~P3~0#1 != (if main_~this_expect~0#1 - 1 < 0 && 0 != (main_~this_expect~0#1 - 1) % 2 then (main_~this_expect~0#1 - 1) % 2 - 2 else (main_~this_expect~0#1 - 1) % 2) && 1 != main_~this_buffer_empty~0#1) && !(0 != main_~P3~0#1)));main_~q~0#1 := 4;main_~this_expect~0#1 := main_~this_expect~0#1;main_~this_buffer_empty~0#1 := 1 - main_~this_buffer_empty~0#1; {37221#(<= |ULTIMATE.start_main_~this_expect~0#1| 5)} is VALID [2022-02-20 16:07:57,199 INFO L290 TraceCheckUtils]: 70: Hoare triple {37221#(<= |ULTIMATE.start_main_~this_expect~0#1| 5)} assume !(0 != main_~P1~0#1);main_~method_id~0#1 := 3; {37221#(<= |ULTIMATE.start_main_~this_expect~0#1| 5)} is VALID [2022-02-20 16:07:57,199 INFO L290 TraceCheckUtils]: 69: Hoare triple {37221#(<= |ULTIMATE.start_main_~this_expect~0#1| 5)} assume 0 != main_#t~nondet27#1;havoc main_#t~nondet27#1; {37221#(<= |ULTIMATE.start_main_~this_expect~0#1| 5)} is VALID [2022-02-20 16:07:57,199 INFO L290 TraceCheckUtils]: 68: Hoare triple {37221#(<= |ULTIMATE.start_main_~this_expect~0#1| 5)} assume !(0 != main_#t~nondet26#1);havoc main_#t~nondet26#1;assume -2147483648 <= main_#t~nondet27#1 && main_#t~nondet27#1 <= 2147483647; {37221#(<= |ULTIMATE.start_main_~this_expect~0#1| 5)} is VALID [2022-02-20 16:07:57,200 INFO L290 TraceCheckUtils]: 67: Hoare triple {37221#(<= |ULTIMATE.start_main_~this_expect~0#1| 5)} assume 3 == main_~q~0#1;assume -2147483648 <= main_#t~nondet26#1 && main_#t~nondet26#1 <= 2147483647; {37221#(<= |ULTIMATE.start_main_~this_expect~0#1| 5)} is VALID [2022-02-20 16:07:57,200 INFO L290 TraceCheckUtils]: 66: Hoare triple {37221#(<= |ULTIMATE.start_main_~this_expect~0#1| 5)} assume !(2 == main_~q~0#1); {37221#(<= |ULTIMATE.start_main_~this_expect~0#1| 5)} is VALID [2022-02-20 16:07:57,200 INFO L290 TraceCheckUtils]: 65: Hoare triple {37221#(<= |ULTIMATE.start_main_~this_expect~0#1| 5)} assume !(1 == main_~q~0#1); {37221#(<= |ULTIMATE.start_main_~this_expect~0#1| 5)} is VALID [2022-02-20 16:07:57,200 INFO L290 TraceCheckUtils]: 64: Hoare triple {37221#(<= |ULTIMATE.start_main_~this_expect~0#1| 5)} assume !(0 == main_~q~0#1); {37221#(<= |ULTIMATE.start_main_~this_expect~0#1| 5)} is VALID [2022-02-20 16:07:57,201 INFO L290 TraceCheckUtils]: 63: Hoare triple {37221#(<= |ULTIMATE.start_main_~this_expect~0#1| 5)} assume !(main_~this_expect~0#1 > 16); {37221#(<= |ULTIMATE.start_main_~this_expect~0#1| 5)} is VALID [2022-02-20 16:07:57,201 INFO L290 TraceCheckUtils]: 62: Hoare triple {37221#(<= |ULTIMATE.start_main_~this_expect~0#1| 5)} assume !false;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_~P1~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647;main_~P2~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647;main_~P3~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;assume -2147483648 <= main_#t~nondet7#1 && main_#t~nondet7#1 <= 2147483647;main_~P4~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;assume -2147483648 <= main_#t~nondet8#1 && main_#t~nondet8#1 <= 2147483647;main_~P5~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647;main_~P6~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1;assume -2147483648 <= main_#t~nondet10#1 && main_#t~nondet10#1 <= 2147483647;main_~P7~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;assume -2147483648 <= main_#t~nondet11#1 && main_#t~nondet11#1 <= 2147483647;main_~P8~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;assume -2147483648 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 2147483647;main_~P9~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; {37221#(<= |ULTIMATE.start_main_~this_expect~0#1| 5)} is VALID [2022-02-20 16:07:57,201 INFO L290 TraceCheckUtils]: 61: Hoare triple {37220#(<= |ULTIMATE.start_main_~this_expect~0#1| 4)} assume !((((if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2) != (if main_~this_expect~0#1 < 0 && 0 != main_~this_expect~0#1 % 2 then main_~this_expect~0#1 % 2 - 2 else main_~this_expect~0#1 % 2) && 1 == main_~this_buffer_empty~0#1) && !(0 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2))) || (1 != main_~this_buffer_empty~0#1 && !(0 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2))));main_~q~0#1 := 3;main_~this_expect~0#1 := 1 + main_~this_expect~0#1;main_~this_buffer_empty~0#1 := 1 - main_~this_buffer_empty~0#1; {37221#(<= |ULTIMATE.start_main_~this_expect~0#1| 5)} is VALID [2022-02-20 16:07:57,202 INFO L290 TraceCheckUtils]: 60: Hoare triple {37220#(<= |ULTIMATE.start_main_~this_expect~0#1| 4)} assume !(0 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2));main_~method_id~0#1 := 2; {37220#(<= |ULTIMATE.start_main_~this_expect~0#1| 4)} is VALID [2022-02-20 16:07:57,202 INFO L290 TraceCheckUtils]: 59: Hoare triple {37220#(<= |ULTIMATE.start_main_~this_expect~0#1| 4)} assume 0 != main_#t~nondet14#1;havoc main_#t~nondet14#1; {37220#(<= |ULTIMATE.start_main_~this_expect~0#1| 4)} is VALID [2022-02-20 16:07:57,202 INFO L290 TraceCheckUtils]: 58: Hoare triple {37220#(<= |ULTIMATE.start_main_~this_expect~0#1| 4)} assume 1 == main_~q~0#1;assume -2147483648 <= main_#t~nondet14#1 && main_#t~nondet14#1 <= 2147483647; {37220#(<= |ULTIMATE.start_main_~this_expect~0#1| 4)} is VALID [2022-02-20 16:07:57,202 INFO L290 TraceCheckUtils]: 57: Hoare triple {37220#(<= |ULTIMATE.start_main_~this_expect~0#1| 4)} assume !(0 == main_~q~0#1); {37220#(<= |ULTIMATE.start_main_~this_expect~0#1| 4)} is VALID [2022-02-20 16:07:57,202 INFO L290 TraceCheckUtils]: 56: Hoare triple {37220#(<= |ULTIMATE.start_main_~this_expect~0#1| 4)} assume !(main_~this_expect~0#1 > 16); {37220#(<= |ULTIMATE.start_main_~this_expect~0#1| 4)} is VALID [2022-02-20 16:07:57,203 INFO L290 TraceCheckUtils]: 55: Hoare triple {37220#(<= |ULTIMATE.start_main_~this_expect~0#1| 4)} assume !false;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_~P1~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647;main_~P2~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647;main_~P3~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;assume -2147483648 <= main_#t~nondet7#1 && main_#t~nondet7#1 <= 2147483647;main_~P4~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;assume -2147483648 <= main_#t~nondet8#1 && main_#t~nondet8#1 <= 2147483647;main_~P5~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647;main_~P6~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1;assume -2147483648 <= main_#t~nondet10#1 && main_#t~nondet10#1 <= 2147483647;main_~P7~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;assume -2147483648 <= main_#t~nondet11#1 && main_#t~nondet11#1 <= 2147483647;main_~P8~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;assume -2147483648 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 2147483647;main_~P9~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; {37220#(<= |ULTIMATE.start_main_~this_expect~0#1| 4)} is VALID [2022-02-20 16:07:57,203 INFO L290 TraceCheckUtils]: 54: Hoare triple {37220#(<= |ULTIMATE.start_main_~this_expect~0#1| 4)} assume !(((1 == main_~this_buffer_empty~0#1 && 0 != main_~P9~0#1) && 0 != main_~P9~0#1 && !(1 != main_~P9~0#1 && 0 != main_~P9~0#1)) || (((main_~P9~0#1 != (if main_~this_expect~0#1 - 1 < 0 && 0 != (main_~this_expect~0#1 - 1) % 2 then (main_~this_expect~0#1 - 1) % 2 - 2 else (main_~this_expect~0#1 - 1) % 2) && 1 != main_~this_buffer_empty~0#1) && 0 != main_~P9~0#1) && 0 != main_~P9~0#1 && !(1 != main_~P9~0#1 && 0 != main_~P9~0#1)));main_~q~0#1 := 1;main_~this_expect~0#1 := main_~this_expect~0#1;main_~this_buffer_empty~0#1 := 1 - main_~this_buffer_empty~0#1; {37220#(<= |ULTIMATE.start_main_~this_expect~0#1| 4)} is VALID [2022-02-20 16:07:57,203 INFO L290 TraceCheckUtils]: 53: Hoare triple {37220#(<= |ULTIMATE.start_main_~this_expect~0#1| 4)} assume 0 != main_~P1~0#1 && !(1 != main_~P1~0#1 && 0 != main_~P1~0#1);main_~method_id~0#1 := 7; {37220#(<= |ULTIMATE.start_main_~this_expect~0#1| 4)} is VALID [2022-02-20 16:07:57,204 INFO L290 TraceCheckUtils]: 52: Hoare triple {37220#(<= |ULTIMATE.start_main_~this_expect~0#1| 4)} assume 0 != main_#t~nondet43#1;havoc main_#t~nondet43#1; {37220#(<= |ULTIMATE.start_main_~this_expect~0#1| 4)} is VALID [2022-02-20 16:07:57,204 INFO L290 TraceCheckUtils]: 51: Hoare triple {37220#(<= |ULTIMATE.start_main_~this_expect~0#1| 4)} assume !(0 != main_#t~nondet42#1);havoc main_#t~nondet42#1;assume -2147483648 <= main_#t~nondet43#1 && main_#t~nondet43#1 <= 2147483647; {37220#(<= |ULTIMATE.start_main_~this_expect~0#1| 4)} is VALID [2022-02-20 16:07:57,204 INFO L290 TraceCheckUtils]: 50: Hoare triple {37220#(<= |ULTIMATE.start_main_~this_expect~0#1| 4)} assume !(0 != main_#t~nondet41#1);havoc main_#t~nondet41#1;assume -2147483648 <= main_#t~nondet42#1 && main_#t~nondet42#1 <= 2147483647; {37220#(<= |ULTIMATE.start_main_~this_expect~0#1| 4)} is VALID [2022-02-20 16:07:57,204 INFO L290 TraceCheckUtils]: 49: Hoare triple {37220#(<= |ULTIMATE.start_main_~this_expect~0#1| 4)} assume !(0 != main_#t~nondet40#1);havoc main_#t~nondet40#1;assume -2147483648 <= main_#t~nondet41#1 && main_#t~nondet41#1 <= 2147483647; {37220#(<= |ULTIMATE.start_main_~this_expect~0#1| 4)} is VALID [2022-02-20 16:07:57,204 INFO L290 TraceCheckUtils]: 48: Hoare triple {37220#(<= |ULTIMATE.start_main_~this_expect~0#1| 4)} assume !(0 != main_#t~nondet39#1);havoc main_#t~nondet39#1;assume -2147483648 <= main_#t~nondet40#1 && main_#t~nondet40#1 <= 2147483647; {37220#(<= |ULTIMATE.start_main_~this_expect~0#1| 4)} is VALID [2022-02-20 16:07:57,205 INFO L290 TraceCheckUtils]: 47: Hoare triple {37220#(<= |ULTIMATE.start_main_~this_expect~0#1| 4)} assume !(0 != main_#t~nondet38#1);havoc main_#t~nondet38#1;assume -2147483648 <= main_#t~nondet39#1 && main_#t~nondet39#1 <= 2147483647; {37220#(<= |ULTIMATE.start_main_~this_expect~0#1| 4)} is VALID [2022-02-20 16:07:57,205 INFO L290 TraceCheckUtils]: 46: Hoare triple {37220#(<= |ULTIMATE.start_main_~this_expect~0#1| 4)} assume 5 == main_~q~0#1;assume -2147483648 <= main_#t~nondet38#1 && main_#t~nondet38#1 <= 2147483647; {37220#(<= |ULTIMATE.start_main_~this_expect~0#1| 4)} is VALID [2022-02-20 16:07:57,205 INFO L290 TraceCheckUtils]: 45: Hoare triple {37220#(<= |ULTIMATE.start_main_~this_expect~0#1| 4)} assume !(4 == main_~q~0#1); {37220#(<= |ULTIMATE.start_main_~this_expect~0#1| 4)} is VALID [2022-02-20 16:07:57,205 INFO L290 TraceCheckUtils]: 44: Hoare triple {37220#(<= |ULTIMATE.start_main_~this_expect~0#1| 4)} assume !(3 == main_~q~0#1); {37220#(<= |ULTIMATE.start_main_~this_expect~0#1| 4)} is VALID [2022-02-20 16:07:57,206 INFO L290 TraceCheckUtils]: 43: Hoare triple {37220#(<= |ULTIMATE.start_main_~this_expect~0#1| 4)} assume !(2 == main_~q~0#1); {37220#(<= |ULTIMATE.start_main_~this_expect~0#1| 4)} is VALID [2022-02-20 16:07:57,206 INFO L290 TraceCheckUtils]: 42: Hoare triple {37220#(<= |ULTIMATE.start_main_~this_expect~0#1| 4)} assume !(1 == main_~q~0#1); {37220#(<= |ULTIMATE.start_main_~this_expect~0#1| 4)} is VALID [2022-02-20 16:07:57,206 INFO L290 TraceCheckUtils]: 41: Hoare triple {37220#(<= |ULTIMATE.start_main_~this_expect~0#1| 4)} assume !(0 == main_~q~0#1); {37220#(<= |ULTIMATE.start_main_~this_expect~0#1| 4)} is VALID [2022-02-20 16:07:57,206 INFO L290 TraceCheckUtils]: 40: Hoare triple {37220#(<= |ULTIMATE.start_main_~this_expect~0#1| 4)} assume !(main_~this_expect~0#1 > 16); {37220#(<= |ULTIMATE.start_main_~this_expect~0#1| 4)} is VALID [2022-02-20 16:07:57,206 INFO L290 TraceCheckUtils]: 39: Hoare triple {37220#(<= |ULTIMATE.start_main_~this_expect~0#1| 4)} assume !false;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_~P1~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647;main_~P2~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647;main_~P3~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;assume -2147483648 <= main_#t~nondet7#1 && main_#t~nondet7#1 <= 2147483647;main_~P4~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;assume -2147483648 <= main_#t~nondet8#1 && main_#t~nondet8#1 <= 2147483647;main_~P5~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647;main_~P6~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1;assume -2147483648 <= main_#t~nondet10#1 && main_#t~nondet10#1 <= 2147483647;main_~P7~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;assume -2147483648 <= main_#t~nondet11#1 && main_#t~nondet11#1 <= 2147483647;main_~P8~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;assume -2147483648 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 2147483647;main_~P9~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; {37220#(<= |ULTIMATE.start_main_~this_expect~0#1| 4)} is VALID [2022-02-20 16:07:57,207 INFO L290 TraceCheckUtils]: 38: Hoare triple {37219#(<= |ULTIMATE.start_main_~this_expect~0#1| 3)} assume !(((((if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2) != (if main_~this_expect~0#1 < 0 && 0 != main_~this_expect~0#1 % 2 then main_~this_expect~0#1 % 2 - 2 else main_~this_expect~0#1 % 2) && 1 == main_~this_buffer_empty~0#1) && 0 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2)) && 0 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2) && !(1 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2) && 0 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2))) || ((1 != main_~this_buffer_empty~0#1 && 0 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2)) && 0 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2) && !(1 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2) && 0 != (if main_~P6~0#1 < 0 && 0 != main_~P6~0#1 % 2 then main_~P6~0#1 % 2 - 2 else main_~P6~0#1 % 2))));main_~q~0#1 := 5;main_~this_expect~0#1 := 1 + main_~this_expect~0#1;main_~this_buffer_empty~0#1 := 1 - main_~this_buffer_empty~0#1; {37220#(<= |ULTIMATE.start_main_~this_expect~0#1| 4)} is VALID [2022-02-20 16:07:57,207 INFO L290 TraceCheckUtils]: 37: Hoare triple {37219#(<= |ULTIMATE.start_main_~this_expect~0#1| 3)} assume 0 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2) && !(1 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2) && 0 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2));main_~method_id~0#1 := 5; {37219#(<= |ULTIMATE.start_main_~this_expect~0#1| 3)} is VALID [2022-02-20 16:07:57,207 INFO L290 TraceCheckUtils]: 36: Hoare triple {37219#(<= |ULTIMATE.start_main_~this_expect~0#1| 3)} assume 0 != main_#t~nondet35#1;havoc main_#t~nondet35#1; {37219#(<= |ULTIMATE.start_main_~this_expect~0#1| 3)} is VALID [2022-02-20 16:07:57,208 INFO L290 TraceCheckUtils]: 35: Hoare triple {37219#(<= |ULTIMATE.start_main_~this_expect~0#1| 3)} assume !(0 != main_#t~nondet34#1);havoc main_#t~nondet34#1;assume -2147483648 <= main_#t~nondet35#1 && main_#t~nondet35#1 <= 2147483647; {37219#(<= |ULTIMATE.start_main_~this_expect~0#1| 3)} is VALID [2022-02-20 16:07:57,208 INFO L290 TraceCheckUtils]: 34: Hoare triple {37219#(<= |ULTIMATE.start_main_~this_expect~0#1| 3)} assume !(0 != main_#t~nondet33#1);havoc main_#t~nondet33#1;assume -2147483648 <= main_#t~nondet34#1 && main_#t~nondet34#1 <= 2147483647; {37219#(<= |ULTIMATE.start_main_~this_expect~0#1| 3)} is VALID [2022-02-20 16:07:57,208 INFO L290 TraceCheckUtils]: 33: Hoare triple {37219#(<= |ULTIMATE.start_main_~this_expect~0#1| 3)} assume !(0 != main_#t~nondet32#1);havoc main_#t~nondet32#1;assume -2147483648 <= main_#t~nondet33#1 && main_#t~nondet33#1 <= 2147483647; {37219#(<= |ULTIMATE.start_main_~this_expect~0#1| 3)} is VALID [2022-02-20 16:07:57,208 INFO L290 TraceCheckUtils]: 32: Hoare triple {37219#(<= |ULTIMATE.start_main_~this_expect~0#1| 3)} assume 4 == main_~q~0#1;assume -2147483648 <= main_#t~nondet32#1 && main_#t~nondet32#1 <= 2147483647; {37219#(<= |ULTIMATE.start_main_~this_expect~0#1| 3)} is VALID [2022-02-20 16:07:57,208 INFO L290 TraceCheckUtils]: 31: Hoare triple {37219#(<= |ULTIMATE.start_main_~this_expect~0#1| 3)} assume !(3 == main_~q~0#1); {37219#(<= |ULTIMATE.start_main_~this_expect~0#1| 3)} is VALID [2022-02-20 16:07:57,209 INFO L290 TraceCheckUtils]: 30: Hoare triple {37219#(<= |ULTIMATE.start_main_~this_expect~0#1| 3)} assume !(2 == main_~q~0#1); {37219#(<= |ULTIMATE.start_main_~this_expect~0#1| 3)} is VALID [2022-02-20 16:07:57,209 INFO L290 TraceCheckUtils]: 29: Hoare triple {37219#(<= |ULTIMATE.start_main_~this_expect~0#1| 3)} assume !(1 == main_~q~0#1); {37219#(<= |ULTIMATE.start_main_~this_expect~0#1| 3)} is VALID [2022-02-20 16:07:57,209 INFO L290 TraceCheckUtils]: 28: Hoare triple {37219#(<= |ULTIMATE.start_main_~this_expect~0#1| 3)} assume !(0 == main_~q~0#1); {37219#(<= |ULTIMATE.start_main_~this_expect~0#1| 3)} is VALID [2022-02-20 16:07:57,209 INFO L290 TraceCheckUtils]: 27: Hoare triple {37219#(<= |ULTIMATE.start_main_~this_expect~0#1| 3)} assume !(main_~this_expect~0#1 > 16); {37219#(<= |ULTIMATE.start_main_~this_expect~0#1| 3)} is VALID [2022-02-20 16:07:57,210 INFO L290 TraceCheckUtils]: 26: Hoare triple {37219#(<= |ULTIMATE.start_main_~this_expect~0#1| 3)} assume !false;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_~P1~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647;main_~P2~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647;main_~P3~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;assume -2147483648 <= main_#t~nondet7#1 && main_#t~nondet7#1 <= 2147483647;main_~P4~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;assume -2147483648 <= main_#t~nondet8#1 && main_#t~nondet8#1 <= 2147483647;main_~P5~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647;main_~P6~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1;assume -2147483648 <= main_#t~nondet10#1 && main_#t~nondet10#1 <= 2147483647;main_~P7~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;assume -2147483648 <= main_#t~nondet11#1 && main_#t~nondet11#1 <= 2147483647;main_~P8~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;assume -2147483648 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 2147483647;main_~P9~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; {37219#(<= |ULTIMATE.start_main_~this_expect~0#1| 3)} is VALID [2022-02-20 16:07:57,210 INFO L290 TraceCheckUtils]: 25: Hoare triple {37219#(<= |ULTIMATE.start_main_~this_expect~0#1| 3)} assume !((1 == main_~this_buffer_empty~0#1 && !(0 != main_~P3~0#1)) || ((main_~P3~0#1 != (if main_~this_expect~0#1 - 1 < 0 && 0 != (main_~this_expect~0#1 - 1) % 2 then (main_~this_expect~0#1 - 1) % 2 - 2 else (main_~this_expect~0#1 - 1) % 2) && 1 != main_~this_buffer_empty~0#1) && !(0 != main_~P3~0#1)));main_~q~0#1 := 4;main_~this_expect~0#1 := main_~this_expect~0#1;main_~this_buffer_empty~0#1 := 1 - main_~this_buffer_empty~0#1; {37219#(<= |ULTIMATE.start_main_~this_expect~0#1| 3)} is VALID [2022-02-20 16:07:57,210 INFO L290 TraceCheckUtils]: 24: Hoare triple {37219#(<= |ULTIMATE.start_main_~this_expect~0#1| 3)} assume !(0 != main_~P1~0#1);main_~method_id~0#1 := 3; {37219#(<= |ULTIMATE.start_main_~this_expect~0#1| 3)} is VALID [2022-02-20 16:07:57,210 INFO L290 TraceCheckUtils]: 23: Hoare triple {37219#(<= |ULTIMATE.start_main_~this_expect~0#1| 3)} assume 0 != main_#t~nondet27#1;havoc main_#t~nondet27#1; {37219#(<= |ULTIMATE.start_main_~this_expect~0#1| 3)} is VALID [2022-02-20 16:07:57,211 INFO L290 TraceCheckUtils]: 22: Hoare triple {37219#(<= |ULTIMATE.start_main_~this_expect~0#1| 3)} assume !(0 != main_#t~nondet26#1);havoc main_#t~nondet26#1;assume -2147483648 <= main_#t~nondet27#1 && main_#t~nondet27#1 <= 2147483647; {37219#(<= |ULTIMATE.start_main_~this_expect~0#1| 3)} is VALID [2022-02-20 16:07:57,211 INFO L290 TraceCheckUtils]: 21: Hoare triple {37219#(<= |ULTIMATE.start_main_~this_expect~0#1| 3)} assume 3 == main_~q~0#1;assume -2147483648 <= main_#t~nondet26#1 && main_#t~nondet26#1 <= 2147483647; {37219#(<= |ULTIMATE.start_main_~this_expect~0#1| 3)} is VALID [2022-02-20 16:07:57,211 INFO L290 TraceCheckUtils]: 20: Hoare triple {37219#(<= |ULTIMATE.start_main_~this_expect~0#1| 3)} assume !(2 == main_~q~0#1); {37219#(<= |ULTIMATE.start_main_~this_expect~0#1| 3)} is VALID [2022-02-20 16:07:57,211 INFO L290 TraceCheckUtils]: 19: Hoare triple {37219#(<= |ULTIMATE.start_main_~this_expect~0#1| 3)} assume !(1 == main_~q~0#1); {37219#(<= |ULTIMATE.start_main_~this_expect~0#1| 3)} is VALID [2022-02-20 16:07:57,218 INFO L290 TraceCheckUtils]: 18: Hoare triple {37219#(<= |ULTIMATE.start_main_~this_expect~0#1| 3)} assume !(0 == main_~q~0#1); {37219#(<= |ULTIMATE.start_main_~this_expect~0#1| 3)} is VALID [2022-02-20 16:07:57,218 INFO L290 TraceCheckUtils]: 17: Hoare triple {37219#(<= |ULTIMATE.start_main_~this_expect~0#1| 3)} assume !(main_~this_expect~0#1 > 16); {37219#(<= |ULTIMATE.start_main_~this_expect~0#1| 3)} is VALID [2022-02-20 16:07:57,218 INFO L290 TraceCheckUtils]: 16: Hoare triple {37219#(<= |ULTIMATE.start_main_~this_expect~0#1| 3)} assume !false;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_~P1~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647;main_~P2~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647;main_~P3~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;assume -2147483648 <= main_#t~nondet7#1 && main_#t~nondet7#1 <= 2147483647;main_~P4~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;assume -2147483648 <= main_#t~nondet8#1 && main_#t~nondet8#1 <= 2147483647;main_~P5~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647;main_~P6~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1;assume -2147483648 <= main_#t~nondet10#1 && main_#t~nondet10#1 <= 2147483647;main_~P7~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;assume -2147483648 <= main_#t~nondet11#1 && main_#t~nondet11#1 <= 2147483647;main_~P8~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;assume -2147483648 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 2147483647;main_~P9~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; {37219#(<= |ULTIMATE.start_main_~this_expect~0#1| 3)} is VALID [2022-02-20 16:07:57,219 INFO L290 TraceCheckUtils]: 15: Hoare triple {37218#(<= |ULTIMATE.start_main_~this_expect~0#1| 2)} assume !((((if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2) != (if main_~this_expect~0#1 < 0 && 0 != main_~this_expect~0#1 % 2 then main_~this_expect~0#1 % 2 - 2 else main_~this_expect~0#1 % 2) && 1 == main_~this_buffer_empty~0#1) && !(0 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2))) || (1 != main_~this_buffer_empty~0#1 && !(0 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2))));main_~q~0#1 := 3;main_~this_expect~0#1 := 1 + main_~this_expect~0#1;main_~this_buffer_empty~0#1 := 1 - main_~this_buffer_empty~0#1; {37219#(<= |ULTIMATE.start_main_~this_expect~0#1| 3)} is VALID [2022-02-20 16:07:57,219 INFO L290 TraceCheckUtils]: 14: Hoare triple {37218#(<= |ULTIMATE.start_main_~this_expect~0#1| 2)} assume !(0 != (if main_~P1~0#1 < 0 && 0 != main_~P1~0#1 % 2 then main_~P1~0#1 % 2 - 2 else main_~P1~0#1 % 2));main_~method_id~0#1 := 2; {37218#(<= |ULTIMATE.start_main_~this_expect~0#1| 2)} is VALID [2022-02-20 16:07:57,220 INFO L290 TraceCheckUtils]: 13: Hoare triple {37218#(<= |ULTIMATE.start_main_~this_expect~0#1| 2)} assume 0 != main_#t~nondet14#1;havoc main_#t~nondet14#1; {37218#(<= |ULTIMATE.start_main_~this_expect~0#1| 2)} is VALID [2022-02-20 16:07:57,220 INFO L290 TraceCheckUtils]: 12: Hoare triple {37218#(<= |ULTIMATE.start_main_~this_expect~0#1| 2)} assume 1 == main_~q~0#1;assume -2147483648 <= main_#t~nondet14#1 && main_#t~nondet14#1 <= 2147483647; {37218#(<= |ULTIMATE.start_main_~this_expect~0#1| 2)} is VALID [2022-02-20 16:07:57,220 INFO L290 TraceCheckUtils]: 11: Hoare triple {37218#(<= |ULTIMATE.start_main_~this_expect~0#1| 2)} assume !(0 == main_~q~0#1); {37218#(<= |ULTIMATE.start_main_~this_expect~0#1| 2)} is VALID [2022-02-20 16:07:57,220 INFO L290 TraceCheckUtils]: 10: Hoare triple {37218#(<= |ULTIMATE.start_main_~this_expect~0#1| 2)} assume !(main_~this_expect~0#1 > 16); {37218#(<= |ULTIMATE.start_main_~this_expect~0#1| 2)} is VALID [2022-02-20 16:07:57,220 INFO L290 TraceCheckUtils]: 9: Hoare triple {37218#(<= |ULTIMATE.start_main_~this_expect~0#1| 2)} assume !false;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_~P1~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647;main_~P2~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647;main_~P3~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;assume -2147483648 <= main_#t~nondet7#1 && main_#t~nondet7#1 <= 2147483647;main_~P4~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;assume -2147483648 <= main_#t~nondet8#1 && main_#t~nondet8#1 <= 2147483647;main_~P5~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647;main_~P6~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1;assume -2147483648 <= main_#t~nondet10#1 && main_#t~nondet10#1 <= 2147483647;main_~P7~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;assume -2147483648 <= main_#t~nondet11#1 && main_#t~nondet11#1 <= 2147483647;main_~P8~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;assume -2147483648 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 2147483647;main_~P9~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; {37218#(<= |ULTIMATE.start_main_~this_expect~0#1| 2)} is VALID [2022-02-20 16:07:57,221 INFO L290 TraceCheckUtils]: 8: Hoare triple {37214#true} assume !false;main_~q~0#1 := 1;main_~this_expect~0#1 := 0;main_~this_buffer_empty~0#1 := 1; {37218#(<= |ULTIMATE.start_main_~this_expect~0#1| 2)} is VALID [2022-02-20 16:07:57,221 INFO L290 TraceCheckUtils]: 7: Hoare triple {37214#true} main_~method_id~0#1 := 1; {37214#true} is VALID [2022-02-20 16:07:57,221 INFO L290 TraceCheckUtils]: 6: Hoare triple {37214#true} assume 0 != main_#t~nondet13#1;havoc main_#t~nondet13#1; {37214#true} is VALID [2022-02-20 16:07:57,221 INFO L290 TraceCheckUtils]: 5: Hoare triple {37214#true} assume 0 == main_~q~0#1;assume -2147483648 <= main_#t~nondet13#1 && main_#t~nondet13#1 <= 2147483647; {37214#true} is VALID [2022-02-20 16:07:57,221 INFO L290 TraceCheckUtils]: 4: Hoare triple {37214#true} assume !(main_~this_expect~0#1 > 16); {37214#true} is VALID [2022-02-20 16:07:57,221 INFO L290 TraceCheckUtils]: 3: Hoare triple {37214#true} assume !false;assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647;main_~P1~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647;main_~P2~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;assume -2147483648 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 2147483647;main_~P3~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;assume -2147483648 <= main_#t~nondet7#1 && main_#t~nondet7#1 <= 2147483647;main_~P4~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;assume -2147483648 <= main_#t~nondet8#1 && main_#t~nondet8#1 <= 2147483647;main_~P5~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;assume -2147483648 <= main_#t~nondet9#1 && main_#t~nondet9#1 <= 2147483647;main_~P6~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1;assume -2147483648 <= main_#t~nondet10#1 && main_#t~nondet10#1 <= 2147483647;main_~P7~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;assume -2147483648 <= main_#t~nondet11#1 && main_#t~nondet11#1 <= 2147483647;main_~P8~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;assume -2147483648 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 2147483647;main_~P9~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; {37214#true} is VALID [2022-02-20 16:07:57,221 INFO L290 TraceCheckUtils]: 2: Hoare triple {37214#true} goto; {37214#true} is VALID [2022-02-20 16:07:57,221 INFO L290 TraceCheckUtils]: 1: Hoare triple {37214#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~nondet5#1, main_#t~nondet6#1, main_#t~nondet7#1, main_#t~nondet8#1, main_#t~nondet9#1, main_#t~nondet10#1, main_#t~nondet11#1, main_#t~nondet12#1, main_#t~nondet13#1, main_#t~nondet14#1, main_#t~nondet15#1, main_#t~nondet16#1, main_#t~nondet17#1, main_#t~nondet18#1, main_#t~nondet19#1, main_#t~nondet20#1, main_#t~nondet21#1, main_#t~nondet22#1, main_#t~nondet23#1, main_#t~nondet24#1, main_#t~nondet25#1, main_#t~nondet26#1, main_#t~nondet27#1, main_#t~nondet28#1, main_#t~nondet29#1, main_#t~nondet30#1, main_#t~nondet31#1, main_#t~nondet32#1, main_#t~nondet33#1, main_#t~nondet34#1, main_#t~nondet35#1, main_#t~nondet36#1, main_#t~nondet37#1, main_#t~nondet38#1, main_#t~nondet39#1, main_#t~nondet40#1, main_#t~nondet41#1, main_#t~nondet42#1, main_#t~nondet43#1, main_~P1~0#1, main_~P2~0#1, main_~P3~0#1, main_~P4~0#1, main_~P5~0#1, main_~P6~0#1, main_~P7~0#1, main_~P8~0#1, main_~P9~0#1, main_~q~0#1, main_~method_id~0#1, main_~this_expect~0#1, main_~this_buffer_empty~0#1;main_~q~0#1 := 0;havoc main_~method_id~0#1;main_~this_expect~0#1 := 0;main_~this_buffer_empty~0#1 := 0; {37214#true} is VALID [2022-02-20 16:07:57,221 INFO L290 TraceCheckUtils]: 0: Hoare triple {37214#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(16, 2);call #Ultimate.allocInit(12, 3);~m_Protocol~0 := 1;~m_msg_2~0 := 2;~m_recv_ack_2~0 := 3;~m_msg_1_1~0 := 4;~m_msg_1_2~0 := 5;~m_recv_ack_1_1~0 := 6;~m_recv_ack_1_2~0 := 7; {37214#true} is VALID [2022-02-20 16:07:57,222 INFO L134 CoverageAnalysis]: Checked inductivity of 2551 backedges. 227 proven. 2258 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2022-02-20 16:07:57,222 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [924751262] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-20 16:07:57,222 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-20 16:07:57,223 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 17] total 20 [2022-02-20 16:07:57,223 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1490623086] [2022-02-20 16:07:57,223 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-20 16:07:57,223 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 16.3) internal successors, (326), 20 states have internal predecessors, (326), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 331 [2022-02-20 16:07:57,224 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 16:07:57,224 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 20 states, 20 states have (on average 16.3) internal successors, (326), 20 states have internal predecessors, (326), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:07:57,408 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 326 edges. 326 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 16:07:57,408 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2022-02-20 16:07:57,408 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 16:07:57,409 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-02-20 16:07:57,409 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=190, Invalid=190, Unknown=0, NotChecked=0, Total=380 [2022-02-20 16:07:57,409 INFO L87 Difference]: Start difference. First operand 1252 states and 1751 transitions. Second operand has 20 states, 20 states have (on average 16.3) internal successors, (326), 20 states have internal predecessors, (326), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:07:59,455 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 16:07:59,455 INFO L93 Difference]: Finished difference Result 2222 states and 3089 transitions. [2022-02-20 16:07:59,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-02-20 16:07:59,455 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 16.3) internal successors, (326), 20 states have internal predecessors, (326), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 331 [2022-02-20 16:07:59,456 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 16:07:59,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 20 states have (on average 16.3) internal successors, (326), 20 states have internal predecessors, (326), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:07:59,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 1207 transitions. [2022-02-20 16:07:59,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 20 states have (on average 16.3) internal successors, (326), 20 states have internal predecessors, (326), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:07:59,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 1207 transitions. [2022-02-20 16:07:59,463 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 20 states and 1207 transitions. [2022-02-20 16:07:59,916 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 1207 edges. 1207 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 16:07:59,987 INFO L225 Difference]: With dead ends: 2222 [2022-02-20 16:07:59,987 INFO L226 Difference]: Without dead ends: 1546 [2022-02-20 16:07:59,988 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 690 GetRequests, 672 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=190, Invalid=190, Unknown=0, NotChecked=0, Total=380 [2022-02-20 16:07:59,988 INFO L933 BasicCegarLoop]: 169 mSDtfsCounter, 2475 mSDsluCounter, 1353 mSDsCounter, 0 mSdLazyCounter, 135 mSolverCounterSat, 170 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2475 SdHoareTripleChecker+Valid, 1522 SdHoareTripleChecker+Invalid, 305 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 170 IncrementalHoareTripleChecker+Valid, 135 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-02-20 16:07:59,988 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2475 Valid, 1522 Invalid, 305 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [170 Valid, 135 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-02-20 16:07:59,989 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1546 states. [2022-02-20 16:08:00,281 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1546 to 1486. [2022-02-20 16:08:00,281 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 16:08:00,283 INFO L82 GeneralOperation]: Start isEquivalent. First operand 1546 states. Second operand has 1486 states, 1485 states have (on average 1.3986531986531987) internal successors, (2077), 1485 states have internal predecessors, (2077), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:08:00,284 INFO L74 IsIncluded]: Start isIncluded. First operand 1546 states. Second operand has 1486 states, 1485 states have (on average 1.3986531986531987) internal successors, (2077), 1485 states have internal predecessors, (2077), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:08:00,284 INFO L87 Difference]: Start difference. First operand 1546 states. Second operand has 1486 states, 1485 states have (on average 1.3986531986531987) internal successors, (2077), 1485 states have internal predecessors, (2077), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:08:00,346 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 16:08:00,346 INFO L93 Difference]: Finished difference Result 1546 states and 2121 transitions. [2022-02-20 16:08:00,346 INFO L276 IsEmpty]: Start isEmpty. Operand 1546 states and 2121 transitions. [2022-02-20 16:08:00,348 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 16:08:00,348 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 16:08:00,349 INFO L74 IsIncluded]: Start isIncluded. First operand has 1486 states, 1485 states have (on average 1.3986531986531987) internal successors, (2077), 1485 states have internal predecessors, (2077), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 1546 states. [2022-02-20 16:08:00,349 INFO L87 Difference]: Start difference. First operand has 1486 states, 1485 states have (on average 1.3986531986531987) internal successors, (2077), 1485 states have internal predecessors, (2077), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 1546 states. [2022-02-20 16:08:00,410 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 16:08:00,410 INFO L93 Difference]: Finished difference Result 1546 states and 2121 transitions. [2022-02-20 16:08:00,410 INFO L276 IsEmpty]: Start isEmpty. Operand 1546 states and 2121 transitions. [2022-02-20 16:08:00,412 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 16:08:00,412 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 16:08:00,412 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 16:08:00,412 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 16:08:00,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1486 states, 1485 states have (on average 1.3986531986531987) internal successors, (2077), 1485 states have internal predecessors, (2077), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:08:00,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1486 states to 1486 states and 2077 transitions. [2022-02-20 16:08:00,467 INFO L78 Accepts]: Start accepts. Automaton has 1486 states and 2077 transitions. Word has length 331 [2022-02-20 16:08:00,467 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 16:08:00,468 INFO L470 AbstractCegarLoop]: Abstraction has 1486 states and 2077 transitions. [2022-02-20 16:08:00,468 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 16.3) internal successors, (326), 20 states have internal predecessors, (326), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:08:00,468 INFO L276 IsEmpty]: Start isEmpty. Operand 1486 states and 2077 transitions. [2022-02-20 16:08:00,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 396 [2022-02-20 16:08:00,469 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 16:08:00,469 INFO L514 BasicCegarLoop]: trace histogram [35, 34, 34, 25, 25, 16, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 16:08:00,489 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2022-02-20 16:08:00,673 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 16:08:00,674 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-20 16:08:00,674 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 16:08:00,674 INFO L85 PathProgramCache]: Analyzing trace with hash 49372446, now seen corresponding path program 1 times [2022-02-20 16:08:00,674 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 16:08:00,674 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [668781030] [2022-02-20 16:08:00,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 16:08:00,675 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 16:08:01,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-20 16:08:01,616 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-20 16:08:02,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-20 16:08:02,393 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-20 16:08:02,393 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-02-20 16:08:02,394 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-02-20 16:08:02,395 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-02-20 16:08:02,397 INFO L732 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 16:08:02,400 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-02-20 16:08:02,579 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2022-02-20 16:08:02,579 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2022-02-20 16:08:02,579 WARN L170 areAnnotationChecker]: L26-2 has no Hoare annotation [2022-02-20 16:08:02,579 WARN L170 areAnnotationChecker]: L26-2 has no Hoare annotation [2022-02-20 16:08:02,579 WARN L170 areAnnotationChecker]: L563 has no Hoare annotation [2022-02-20 16:08:02,579 WARN L170 areAnnotationChecker]: L563 has no Hoare annotation [2022-02-20 16:08:02,579 WARN L170 areAnnotationChecker]: L26-3 has no Hoare annotation [2022-02-20 16:08:02,579 WARN L170 areAnnotationChecker]: L40 has no Hoare annotation [2022-02-20 16:08:02,579 WARN L170 areAnnotationChecker]: L40 has no Hoare annotation [2022-02-20 16:08:02,579 WARN L170 areAnnotationChecker]: L16 has no Hoare annotation [2022-02-20 16:08:02,580 WARN L170 areAnnotationChecker]: L40-2 has no Hoare annotation [2022-02-20 16:08:02,580 WARN L170 areAnnotationChecker]: L40-2 has no Hoare annotation [2022-02-20 16:08:02,580 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2022-02-20 16:08:02,580 WARN L170 areAnnotationChecker]: L46 has no Hoare annotation [2022-02-20 16:08:02,580 WARN L170 areAnnotationChecker]: L46 has no Hoare annotation [2022-02-20 16:08:02,580 WARN L170 areAnnotationChecker]: L65 has no Hoare annotation [2022-02-20 16:08:02,580 WARN L170 areAnnotationChecker]: L65 has no Hoare annotation [2022-02-20 16:08:02,580 WARN L170 areAnnotationChecker]: L48 has no Hoare annotation [2022-02-20 16:08:02,580 WARN L170 areAnnotationChecker]: L48 has no Hoare annotation [2022-02-20 16:08:02,580 WARN L170 areAnnotationChecker]: L66 has no Hoare annotation [2022-02-20 16:08:02,580 WARN L170 areAnnotationChecker]: L66 has no Hoare annotation [2022-02-20 16:08:02,580 WARN L170 areAnnotationChecker]: L165 has no Hoare annotation [2022-02-20 16:08:02,581 WARN L170 areAnnotationChecker]: L165 has no Hoare annotation [2022-02-20 16:08:02,581 WARN L170 areAnnotationChecker]: L52 has no Hoare annotation [2022-02-20 16:08:02,581 WARN L170 areAnnotationChecker]: L52 has no Hoare annotation [2022-02-20 16:08:02,581 WARN L170 areAnnotationChecker]: L68 has no Hoare annotation [2022-02-20 16:08:02,581 WARN L170 areAnnotationChecker]: L68 has no Hoare annotation [2022-02-20 16:08:02,581 WARN L170 areAnnotationChecker]: L82 has no Hoare annotation [2022-02-20 16:08:02,581 WARN L170 areAnnotationChecker]: L82 has no Hoare annotation [2022-02-20 16:08:02,581 WARN L170 areAnnotationChecker]: L166 has no Hoare annotation [2022-02-20 16:08:02,581 WARN L170 areAnnotationChecker]: L166 has no Hoare annotation [2022-02-20 16:08:02,581 WARN L170 areAnnotationChecker]: L265 has no Hoare annotation [2022-02-20 16:08:02,581 WARN L170 areAnnotationChecker]: L265 has no Hoare annotation [2022-02-20 16:08:02,581 WARN L170 areAnnotationChecker]: L553 has no Hoare annotation [2022-02-20 16:08:02,582 WARN L170 areAnnotationChecker]: L553 has no Hoare annotation [2022-02-20 16:08:02,582 WARN L170 areAnnotationChecker]: L72 has no Hoare annotation [2022-02-20 16:08:02,582 WARN L170 areAnnotationChecker]: L72 has no Hoare annotation [2022-02-20 16:08:02,582 WARN L170 areAnnotationChecker]: L84 has no Hoare annotation [2022-02-20 16:08:02,582 WARN L170 areAnnotationChecker]: L84 has no Hoare annotation [2022-02-20 16:08:02,582 WARN L170 areAnnotationChecker]: L98 has no Hoare annotation [2022-02-20 16:08:02,582 WARN L170 areAnnotationChecker]: L98 has no Hoare annotation [2022-02-20 16:08:02,582 WARN L170 areAnnotationChecker]: L168 has no Hoare annotation [2022-02-20 16:08:02,582 WARN L170 areAnnotationChecker]: L168 has no Hoare annotation [2022-02-20 16:08:02,582 WARN L170 areAnnotationChecker]: L182 has no Hoare annotation [2022-02-20 16:08:02,582 WARN L170 areAnnotationChecker]: L182 has no Hoare annotation [2022-02-20 16:08:02,583 WARN L170 areAnnotationChecker]: L266 has no Hoare annotation [2022-02-20 16:08:02,583 WARN L170 areAnnotationChecker]: L266 has no Hoare annotation [2022-02-20 16:08:02,583 WARN L170 areAnnotationChecker]: L365 has no Hoare annotation [2022-02-20 16:08:02,583 WARN L170 areAnnotationChecker]: L365 has no Hoare annotation [2022-02-20 16:08:02,583 WARN L170 areAnnotationChecker]: L88 has no Hoare annotation [2022-02-20 16:08:02,583 WARN L170 areAnnotationChecker]: L88 has no Hoare annotation [2022-02-20 16:08:02,583 WARN L170 areAnnotationChecker]: L100 has no Hoare annotation [2022-02-20 16:08:02,583 WARN L170 areAnnotationChecker]: L100 has no Hoare annotation [2022-02-20 16:08:02,583 WARN L170 areAnnotationChecker]: L114 has no Hoare annotation [2022-02-20 16:08:02,583 WARN L170 areAnnotationChecker]: L114 has no Hoare annotation [2022-02-20 16:08:02,583 WARN L170 areAnnotationChecker]: L172 has no Hoare annotation [2022-02-20 16:08:02,583 WARN L170 areAnnotationChecker]: L172 has no Hoare annotation [2022-02-20 16:08:02,584 WARN L170 areAnnotationChecker]: L184 has no Hoare annotation [2022-02-20 16:08:02,584 WARN L170 areAnnotationChecker]: L184 has no Hoare annotation [2022-02-20 16:08:02,584 WARN L170 areAnnotationChecker]: L198 has no Hoare annotation [2022-02-20 16:08:02,584 WARN L170 areAnnotationChecker]: L198 has no Hoare annotation [2022-02-20 16:08:02,584 WARN L170 areAnnotationChecker]: L268 has no Hoare annotation [2022-02-20 16:08:02,584 WARN L170 areAnnotationChecker]: L268 has no Hoare annotation [2022-02-20 16:08:02,584 WARN L170 areAnnotationChecker]: L282 has no Hoare annotation [2022-02-20 16:08:02,584 WARN L170 areAnnotationChecker]: L282 has no Hoare annotation [2022-02-20 16:08:02,584 WARN L170 areAnnotationChecker]: L366 has no Hoare annotation [2022-02-20 16:08:02,584 WARN L170 areAnnotationChecker]: L366 has no Hoare annotation [2022-02-20 16:08:02,584 WARN L170 areAnnotationChecker]: L465 has no Hoare annotation [2022-02-20 16:08:02,584 WARN L170 areAnnotationChecker]: L465 has no Hoare annotation [2022-02-20 16:08:02,585 WARN L170 areAnnotationChecker]: L104 has no Hoare annotation [2022-02-20 16:08:02,585 WARN L170 areAnnotationChecker]: L104 has no Hoare annotation [2022-02-20 16:08:02,585 WARN L170 areAnnotationChecker]: L116 has no Hoare annotation [2022-02-20 16:08:02,585 WARN L170 areAnnotationChecker]: L116 has no Hoare annotation [2022-02-20 16:08:02,585 WARN L170 areAnnotationChecker]: L130 has no Hoare annotation [2022-02-20 16:08:02,585 WARN L170 areAnnotationChecker]: L130 has no Hoare annotation [2022-02-20 16:08:02,585 WARN L170 areAnnotationChecker]: L188 has no Hoare annotation [2022-02-20 16:08:02,585 WARN L170 areAnnotationChecker]: L188 has no Hoare annotation [2022-02-20 16:08:02,585 WARN L170 areAnnotationChecker]: L200 has no Hoare annotation [2022-02-20 16:08:02,585 WARN L170 areAnnotationChecker]: L200 has no Hoare annotation [2022-02-20 16:08:02,585 WARN L170 areAnnotationChecker]: L214 has no Hoare annotation [2022-02-20 16:08:02,585 WARN L170 areAnnotationChecker]: L214 has no Hoare annotation [2022-02-20 16:08:02,586 WARN L170 areAnnotationChecker]: L272 has no Hoare annotation [2022-02-20 16:08:02,586 WARN L170 areAnnotationChecker]: L272 has no Hoare annotation [2022-02-20 16:08:02,586 WARN L170 areAnnotationChecker]: L284 has no Hoare annotation [2022-02-20 16:08:02,586 WARN L170 areAnnotationChecker]: L284 has no Hoare annotation [2022-02-20 16:08:02,586 WARN L170 areAnnotationChecker]: L298 has no Hoare annotation [2022-02-20 16:08:02,586 WARN L170 areAnnotationChecker]: L298 has no Hoare annotation [2022-02-20 16:08:02,586 WARN L170 areAnnotationChecker]: L368 has no Hoare annotation [2022-02-20 16:08:02,586 WARN L170 areAnnotationChecker]: L368 has no Hoare annotation [2022-02-20 16:08:02,586 WARN L170 areAnnotationChecker]: L382 has no Hoare annotation [2022-02-20 16:08:02,586 WARN L170 areAnnotationChecker]: L382 has no Hoare annotation [2022-02-20 16:08:02,586 WARN L170 areAnnotationChecker]: L466 has no Hoare annotation [2022-02-20 16:08:02,587 WARN L170 areAnnotationChecker]: L466 has no Hoare annotation [2022-02-20 16:08:02,587 WARN L170 areAnnotationChecker]: L120 has no Hoare annotation [2022-02-20 16:08:02,587 WARN L170 areAnnotationChecker]: L120 has no Hoare annotation [2022-02-20 16:08:02,587 WARN L170 areAnnotationChecker]: L132 has no Hoare annotation [2022-02-20 16:08:02,587 WARN L170 areAnnotationChecker]: L132 has no Hoare annotation [2022-02-20 16:08:02,587 WARN L170 areAnnotationChecker]: L146 has no Hoare annotation [2022-02-20 16:08:02,587 WARN L170 areAnnotationChecker]: L146 has no Hoare annotation [2022-02-20 16:08:02,587 WARN L170 areAnnotationChecker]: L204 has no Hoare annotation [2022-02-20 16:08:02,587 WARN L170 areAnnotationChecker]: L204 has no Hoare annotation [2022-02-20 16:08:02,587 WARN L170 areAnnotationChecker]: L216 has no Hoare annotation [2022-02-20 16:08:02,587 WARN L170 areAnnotationChecker]: L216 has no Hoare annotation [2022-02-20 16:08:02,587 WARN L170 areAnnotationChecker]: L230 has no Hoare annotation [2022-02-20 16:08:02,588 WARN L170 areAnnotationChecker]: L230 has no Hoare annotation [2022-02-20 16:08:02,588 WARN L170 areAnnotationChecker]: L288 has no Hoare annotation [2022-02-20 16:08:02,588 WARN L170 areAnnotationChecker]: L288 has no Hoare annotation [2022-02-20 16:08:02,588 WARN L170 areAnnotationChecker]: L300 has no Hoare annotation [2022-02-20 16:08:02,588 WARN L170 areAnnotationChecker]: L300 has no Hoare annotation [2022-02-20 16:08:02,588 WARN L170 areAnnotationChecker]: L314 has no Hoare annotation [2022-02-20 16:08:02,588 WARN L170 areAnnotationChecker]: L314 has no Hoare annotation [2022-02-20 16:08:02,588 WARN L170 areAnnotationChecker]: L372 has no Hoare annotation [2022-02-20 16:08:02,588 WARN L170 areAnnotationChecker]: L372 has no Hoare annotation [2022-02-20 16:08:02,588 WARN L170 areAnnotationChecker]: L384 has no Hoare annotation [2022-02-20 16:08:02,588 WARN L170 areAnnotationChecker]: L384 has no Hoare annotation [2022-02-20 16:08:02,588 WARN L170 areAnnotationChecker]: L398 has no Hoare annotation [2022-02-20 16:08:02,589 WARN L170 areAnnotationChecker]: L398 has no Hoare annotation [2022-02-20 16:08:02,589 WARN L170 areAnnotationChecker]: L468 has no Hoare annotation [2022-02-20 16:08:02,589 WARN L170 areAnnotationChecker]: L468 has no Hoare annotation [2022-02-20 16:08:02,589 WARN L170 areAnnotationChecker]: L482 has no Hoare annotation [2022-02-20 16:08:02,589 WARN L170 areAnnotationChecker]: L482 has no Hoare annotation [2022-02-20 16:08:02,589 WARN L170 areAnnotationChecker]: L136 has no Hoare annotation [2022-02-20 16:08:02,589 WARN L170 areAnnotationChecker]: L136 has no Hoare annotation [2022-02-20 16:08:02,589 WARN L170 areAnnotationChecker]: L148 has no Hoare annotation [2022-02-20 16:08:02,589 WARN L170 areAnnotationChecker]: L148 has no Hoare annotation [2022-02-20 16:08:02,589 WARN L170 areAnnotationChecker]: L220 has no Hoare annotation [2022-02-20 16:08:02,589 WARN L170 areAnnotationChecker]: L220 has no Hoare annotation [2022-02-20 16:08:02,590 WARN L170 areAnnotationChecker]: L232 has no Hoare annotation [2022-02-20 16:08:02,590 WARN L170 areAnnotationChecker]: L232 has no Hoare annotation [2022-02-20 16:08:02,590 WARN L170 areAnnotationChecker]: L246 has no Hoare annotation [2022-02-20 16:08:02,590 WARN L170 areAnnotationChecker]: L246 has no Hoare annotation [2022-02-20 16:08:02,590 WARN L170 areAnnotationChecker]: L304 has no Hoare annotation [2022-02-20 16:08:02,590 WARN L170 areAnnotationChecker]: L304 has no Hoare annotation [2022-02-20 16:08:02,590 WARN L170 areAnnotationChecker]: L316 has no Hoare annotation [2022-02-20 16:08:02,590 WARN L170 areAnnotationChecker]: L316 has no Hoare annotation [2022-02-20 16:08:02,590 WARN L170 areAnnotationChecker]: L330 has no Hoare annotation [2022-02-20 16:08:02,590 WARN L170 areAnnotationChecker]: L330 has no Hoare annotation [2022-02-20 16:08:02,590 WARN L170 areAnnotationChecker]: L388 has no Hoare annotation [2022-02-20 16:08:02,590 WARN L170 areAnnotationChecker]: L388 has no Hoare annotation [2022-02-20 16:08:02,591 WARN L170 areAnnotationChecker]: L400 has no Hoare annotation [2022-02-20 16:08:02,591 WARN L170 areAnnotationChecker]: L400 has no Hoare annotation [2022-02-20 16:08:02,591 WARN L170 areAnnotationChecker]: L414 has no Hoare annotation [2022-02-20 16:08:02,591 WARN L170 areAnnotationChecker]: L414 has no Hoare annotation [2022-02-20 16:08:02,591 WARN L170 areAnnotationChecker]: L472 has no Hoare annotation [2022-02-20 16:08:02,591 WARN L170 areAnnotationChecker]: L472 has no Hoare annotation [2022-02-20 16:08:02,591 WARN L170 areAnnotationChecker]: L484 has no Hoare annotation [2022-02-20 16:08:02,591 WARN L170 areAnnotationChecker]: L484 has no Hoare annotation [2022-02-20 16:08:02,591 WARN L170 areAnnotationChecker]: L498 has no Hoare annotation [2022-02-20 16:08:02,591 WARN L170 areAnnotationChecker]: L498 has no Hoare annotation [2022-02-20 16:08:02,591 WARN L170 areAnnotationChecker]: L152 has no Hoare annotation [2022-02-20 16:08:02,591 WARN L170 areAnnotationChecker]: L152 has no Hoare annotation [2022-02-20 16:08:02,592 WARN L170 areAnnotationChecker]: L236 has no Hoare annotation [2022-02-20 16:08:02,592 WARN L170 areAnnotationChecker]: L236 has no Hoare annotation [2022-02-20 16:08:02,592 WARN L170 areAnnotationChecker]: L248 has no Hoare annotation [2022-02-20 16:08:02,592 WARN L170 areAnnotationChecker]: L248 has no Hoare annotation [2022-02-20 16:08:02,592 WARN L170 areAnnotationChecker]: L320 has no Hoare annotation [2022-02-20 16:08:02,592 WARN L170 areAnnotationChecker]: L320 has no Hoare annotation [2022-02-20 16:08:02,592 WARN L170 areAnnotationChecker]: L332 has no Hoare annotation [2022-02-20 16:08:02,592 WARN L170 areAnnotationChecker]: L332 has no Hoare annotation [2022-02-20 16:08:02,592 WARN L170 areAnnotationChecker]: L346 has no Hoare annotation [2022-02-20 16:08:02,592 WARN L170 areAnnotationChecker]: L346 has no Hoare annotation [2022-02-20 16:08:02,592 WARN L170 areAnnotationChecker]: L404 has no Hoare annotation [2022-02-20 16:08:02,592 WARN L170 areAnnotationChecker]: L404 has no Hoare annotation [2022-02-20 16:08:02,593 WARN L170 areAnnotationChecker]: L416 has no Hoare annotation [2022-02-20 16:08:02,593 WARN L170 areAnnotationChecker]: L416 has no Hoare annotation [2022-02-20 16:08:02,593 WARN L170 areAnnotationChecker]: L430 has no Hoare annotation [2022-02-20 16:08:02,593 WARN L170 areAnnotationChecker]: L430 has no Hoare annotation [2022-02-20 16:08:02,593 WARN L170 areAnnotationChecker]: L488 has no Hoare annotation [2022-02-20 16:08:02,593 WARN L170 areAnnotationChecker]: L488 has no Hoare annotation [2022-02-20 16:08:02,593 WARN L170 areAnnotationChecker]: L500 has no Hoare annotation [2022-02-20 16:08:02,593 WARN L170 areAnnotationChecker]: L500 has no Hoare annotation [2022-02-20 16:08:02,593 WARN L170 areAnnotationChecker]: L514 has no Hoare annotation [2022-02-20 16:08:02,593 WARN L170 areAnnotationChecker]: L514 has no Hoare annotation [2022-02-20 16:08:02,593 WARN L170 areAnnotationChecker]: L252 has no Hoare annotation [2022-02-20 16:08:02,593 WARN L170 areAnnotationChecker]: L252 has no Hoare annotation [2022-02-20 16:08:02,594 WARN L170 areAnnotationChecker]: L336 has no Hoare annotation [2022-02-20 16:08:02,594 WARN L170 areAnnotationChecker]: L336 has no Hoare annotation [2022-02-20 16:08:02,594 WARN L170 areAnnotationChecker]: L348 has no Hoare annotation [2022-02-20 16:08:02,594 WARN L170 areAnnotationChecker]: L348 has no Hoare annotation [2022-02-20 16:08:02,594 WARN L170 areAnnotationChecker]: L420 has no Hoare annotation [2022-02-20 16:08:02,594 WARN L170 areAnnotationChecker]: L420 has no Hoare annotation [2022-02-20 16:08:02,594 WARN L170 areAnnotationChecker]: L432 has no Hoare annotation [2022-02-20 16:08:02,594 WARN L170 areAnnotationChecker]: L432 has no Hoare annotation [2022-02-20 16:08:02,594 WARN L170 areAnnotationChecker]: L446 has no Hoare annotation [2022-02-20 16:08:02,594 WARN L170 areAnnotationChecker]: L446 has no Hoare annotation [2022-02-20 16:08:02,594 WARN L170 areAnnotationChecker]: L504 has no Hoare annotation [2022-02-20 16:08:02,595 WARN L170 areAnnotationChecker]: L504 has no Hoare annotation [2022-02-20 16:08:02,595 WARN L170 areAnnotationChecker]: L516 has no Hoare annotation [2022-02-20 16:08:02,595 WARN L170 areAnnotationChecker]: L516 has no Hoare annotation [2022-02-20 16:08:02,595 WARN L170 areAnnotationChecker]: L530 has no Hoare annotation [2022-02-20 16:08:02,595 WARN L170 areAnnotationChecker]: L530 has no Hoare annotation [2022-02-20 16:08:02,595 WARN L170 areAnnotationChecker]: L352 has no Hoare annotation [2022-02-20 16:08:02,595 WARN L170 areAnnotationChecker]: L352 has no Hoare annotation [2022-02-20 16:08:02,595 WARN L170 areAnnotationChecker]: L436 has no Hoare annotation [2022-02-20 16:08:02,595 WARN L170 areAnnotationChecker]: L436 has no Hoare annotation [2022-02-20 16:08:02,595 WARN L170 areAnnotationChecker]: L448 has no Hoare annotation [2022-02-20 16:08:02,595 WARN L170 areAnnotationChecker]: L448 has no Hoare annotation [2022-02-20 16:08:02,595 WARN L170 areAnnotationChecker]: L520 has no Hoare annotation [2022-02-20 16:08:02,596 WARN L170 areAnnotationChecker]: L520 has no Hoare annotation [2022-02-20 16:08:02,596 WARN L170 areAnnotationChecker]: L532 has no Hoare annotation [2022-02-20 16:08:02,596 WARN L170 areAnnotationChecker]: L532 has no Hoare annotation [2022-02-20 16:08:02,596 WARN L170 areAnnotationChecker]: L546 has no Hoare annotation [2022-02-20 16:08:02,596 WARN L170 areAnnotationChecker]: L546 has no Hoare annotation [2022-02-20 16:08:02,596 WARN L170 areAnnotationChecker]: L452 has no Hoare annotation [2022-02-20 16:08:02,596 WARN L170 areAnnotationChecker]: L452 has no Hoare annotation [2022-02-20 16:08:02,596 WARN L170 areAnnotationChecker]: L536 has no Hoare annotation [2022-02-20 16:08:02,596 WARN L170 areAnnotationChecker]: L536 has no Hoare annotation [2022-02-20 16:08:02,596 WARN L170 areAnnotationChecker]: L548 has no Hoare annotation [2022-02-20 16:08:02,596 WARN L170 areAnnotationChecker]: L548 has no Hoare annotation [2022-02-20 16:08:02,596 WARN L170 areAnnotationChecker]: L552 has no Hoare annotation [2022-02-20 16:08:02,597 WARN L170 areAnnotationChecker]: L552 has no Hoare annotation [2022-02-20 16:08:02,597 INFO L163 areAnnotationChecker]: CFG has 0 edges. 0 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. 0 times interpolants missing. [2022-02-20 16:08:02,598 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.02 04:08:02 BoogieIcfgContainer [2022-02-20 16:08:02,598 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-02-20 16:08:02,598 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-02-20 16:08:02,598 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-02-20 16:08:02,598 INFO L275 PluginConnector]: Witness Printer initialized [2022-02-20 16:08:02,599 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.02 04:07:19" (3/4) ... [2022-02-20 16:08:02,600 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-02-20 16:08:02,741 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2022-02-20 16:08:02,741 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-02-20 16:08:02,742 INFO L158 Benchmark]: Toolchain (without parser) took 44584.66ms. Allocated memory was 98.6MB in the beginning and 446.7MB in the end (delta: 348.1MB). Free memory was 64.1MB in the beginning and 309.9MB in the end (delta: -245.8MB). Peak memory consumption was 103.3MB. Max. memory is 16.1GB. [2022-02-20 16:08:02,742 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 98.6MB. Free memory was 55.3MB in the beginning and 55.2MB in the end (delta: 45.4kB). There was no memory consumed. Max. memory is 16.1GB. [2022-02-20 16:08:02,743 INFO L158 Benchmark]: CACSL2BoogieTranslator took 327.55ms. Allocated memory is still 98.6MB. Free memory was 63.9MB in the beginning and 62.9MB in the end (delta: 961.3kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-02-20 16:08:02,743 INFO L158 Benchmark]: Boogie Procedure Inliner took 62.45ms. Allocated memory is still 98.6MB. Free memory was 62.9MB in the beginning and 56.2MB in the end (delta: 6.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-02-20 16:08:02,743 INFO L158 Benchmark]: Boogie Preprocessor took 32.18ms. Allocated memory is still 98.6MB. Free memory was 56.2MB in the beginning and 52.9MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-02-20 16:08:02,743 INFO L158 Benchmark]: RCFGBuilder took 772.99ms. Allocated memory was 98.6MB in the beginning and 121.6MB in the end (delta: 23.1MB). Free memory was 52.9MB in the beginning and 65.0MB in the end (delta: -12.1MB). Peak memory consumption was 28.3MB. Max. memory is 16.1GB. [2022-02-20 16:08:02,743 INFO L158 Benchmark]: TraceAbstraction took 43228.16ms. Allocated memory was 121.6MB in the beginning and 446.7MB in the end (delta: 325.1MB). Free memory was 65.0MB in the beginning and 371.8MB in the end (delta: -306.8MB). Peak memory consumption was 197.7MB. Max. memory is 16.1GB. [2022-02-20 16:08:02,743 INFO L158 Benchmark]: Witness Printer took 143.43ms. Allocated memory is still 446.7MB. Free memory was 371.8MB in the beginning and 309.9MB in the end (delta: 61.9MB). Peak memory consumption was 62.9MB. Max. memory is 16.1GB. [2022-02-20 16:08:02,744 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - AssertionsEnabledResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 98.6MB. Free memory was 55.3MB in the beginning and 55.2MB in the end (delta: 45.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 327.55ms. Allocated memory is still 98.6MB. Free memory was 63.9MB in the beginning and 62.9MB in the end (delta: 961.3kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 62.45ms. Allocated memory is still 98.6MB. Free memory was 62.9MB in the beginning and 56.2MB in the end (delta: 6.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 32.18ms. Allocated memory is still 98.6MB. Free memory was 56.2MB in the beginning and 52.9MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 772.99ms. Allocated memory was 98.6MB in the beginning and 121.6MB in the end (delta: 23.1MB). Free memory was 52.9MB in the beginning and 65.0MB in the end (delta: -12.1MB). Peak memory consumption was 28.3MB. Max. memory is 16.1GB. * TraceAbstraction took 43228.16ms. Allocated memory was 121.6MB in the beginning and 446.7MB in the end (delta: 325.1MB). Free memory was 65.0MB in the beginning and 371.8MB in the end (delta: -306.8MB). Peak memory consumption was 197.7MB. Max. memory is 16.1GB. * Witness Printer took 143.43ms. Allocated memory is still 446.7MB. Free memory was 371.8MB in the beginning and 309.9MB in the end (delta: 61.9MB). Peak memory consumption was 62.9MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 571]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L7] int m_Protocol = 1; [L8] int m_msg_2 = 2; [L9] int m_recv_ack_2 = 3; [L10] int m_msg_1_1 = 4; [L11] int m_msg_1_2 = 5; [L12] int m_recv_ack_1_1 = 6; [L13] int m_recv_ack_1_2 = 7; VAL [m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_Protocol=1, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3] [L18] int q = 0; [L19] int method_id; [L22] int this_expect = 0; [L23] int this_buffer_empty = 0; VAL [m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_Protocol=1, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, q=0, this_buffer_empty=0, this_expect=0] [L26] COND TRUE 1 [L29] int P1=__VERIFIER_nondet_int(); [L30] int P2=__VERIFIER_nondet_int(); [L31] int P3=__VERIFIER_nondet_int(); [L32] int P4=__VERIFIER_nondet_int(); [L33] int P5=__VERIFIER_nondet_int(); [L34] int P6=__VERIFIER_nondet_int(); [L35] int P7=__VERIFIER_nondet_int(); [L36] int P8=__VERIFIER_nondet_int(); [L37] int P9=__VERIFIER_nondet_int(); [L40] COND FALSE !(this_expect > 16) VAL [m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_Protocol=1, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, P1=-3, P2=0, P3=0, P4=0, P5=0, P6=-1, P7=4, P8=0, P9=-4, q=0, this_buffer_empty=0, this_expect=0] [L45] COND TRUE q == 0 [L46] COND TRUE __VERIFIER_nondet_int() [L50] method_id = 1 VAL [m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_Protocol=1, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, method_id=1, P1=-3, P2=0, P3=0, P4=0, P5=0, P6=-1, P7=4, P8=0, P9=-4, q=0, this_buffer_empty=0, this_expect=0] [L52] COND FALSE !(0) [L56] q = 1 [L58] this_expect=0 [L58] this_buffer_empty=1 VAL [m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_Protocol=1, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, method_id=1, P1=-3, P2=0, P3=0, P4=0, P5=0, P6=-1, P7=4, P8=0, P9=-4, q=1, this_buffer_empty=1, this_expect=0] [L26] COND TRUE 1 [L29] int P1=__VERIFIER_nondet_int(); [L30] int P2=__VERIFIER_nondet_int(); [L31] int P3=__VERIFIER_nondet_int(); [L32] int P4=__VERIFIER_nondet_int(); [L33] int P5=__VERIFIER_nondet_int(); [L34] int P6=__VERIFIER_nondet_int(); [L35] int P7=__VERIFIER_nondet_int(); [L36] int P8=__VERIFIER_nondet_int(); [L37] int P9=__VERIFIER_nondet_int(); [L40] COND FALSE !(this_expect > 16) VAL [m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_Protocol=1, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, method_id=1, P1=56, P2=0, P3=0, P4=0, P5=0, P6=5, P7=-5, P8=0, P9=6, q=1, this_buffer_empty=1, this_expect=0] [L45] COND FALSE !(q == 0) VAL [m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_Protocol=1, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, method_id=1, P1=56, P2=0, P3=0, P4=0, P5=0, P6=5, P7=-5, P8=0, P9=6, q=1, this_buffer_empty=1, this_expect=0] [L65] COND TRUE q == 1 [L66] COND TRUE __VERIFIER_nondet_int() [L68] COND TRUE !((P1 % 2) != (0 % 2)) [L70] method_id = 2 VAL [m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_Protocol=1, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, method_id=2, P1=56, P2=0, P3=0, P4=0, P5=0, P6=5, P7=-5, P8=0, P9=6, q=1, this_buffer_empty=1, this_expect=0] [L72] COND FALSE !((((((P1 % 2) != (this_expect % 2)) && (this_buffer_empty == 1)) && !((P1 % 2) != (0 % 2))) || ((this_buffer_empty != 1) && !((P1 % 2) != (0 % 2))))) [L76] q = 3 [L78] this_expect=(this_expect + 1) [L78] this_buffer_empty=(1 - this_buffer_empty) VAL [m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_Protocol=1, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, method_id=2, P1=56, P2=0, P3=0, P4=0, P5=0, P6=5, P7=-5, P8=0, P9=6, q=3, this_buffer_empty=0, this_expect=1] [L26] COND TRUE 1 [L29] int P1=__VERIFIER_nondet_int(); [L30] int P2=__VERIFIER_nondet_int(); [L31] int P3=__VERIFIER_nondet_int(); [L32] int P4=__VERIFIER_nondet_int(); [L33] int P5=__VERIFIER_nondet_int(); [L34] int P6=__VERIFIER_nondet_int(); [L35] int P7=__VERIFIER_nondet_int(); [L36] int P8=__VERIFIER_nondet_int(); [L37] int P9=__VERIFIER_nondet_int(); [L40] COND FALSE !(this_expect > 16) VAL [m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_Protocol=1, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, method_id=2, P1=0, P2=0, P3=-1, P4=0, P5=0, P6=-6, P7=7, P8=0, P9=-7, q=3, this_buffer_empty=0, this_expect=1] [L45] COND FALSE !(q == 0) VAL [m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_Protocol=1, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, method_id=2, P1=0, P2=0, P3=-1, P4=0, P5=0, P6=-6, P7=7, P8=0, P9=-7, q=3, this_buffer_empty=0, this_expect=1] [L65] COND FALSE !(q == 1) VAL [m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_Protocol=1, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, method_id=2, P1=0, P2=0, P3=-1, P4=0, P5=0, P6=-6, P7=7, P8=0, P9=-7, q=3, this_buffer_empty=0, this_expect=1] [L165] COND FALSE !(q == 2) VAL [m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_Protocol=1, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, method_id=2, P1=0, P2=0, P3=-1, P4=0, P5=0, P6=-6, P7=7, P8=0, P9=-7, q=3, this_buffer_empty=0, this_expect=1] [L265] COND TRUE q == 3 [L266] COND FALSE !(__VERIFIER_nondet_int()) [L282] COND TRUE __VERIFIER_nondet_int() [L284] COND TRUE !(P1 != (((0 + 1) - 1) % 2)) [L286] method_id = 3 VAL [m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_Protocol=1, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, method_id=3, P1=0, P2=0, P3=-1, P4=0, P5=0, P6=-6, P7=7, P8=0, P9=-7, q=3, this_buffer_empty=0, this_expect=1] [L288] COND FALSE !((((this_buffer_empty == 1) && !(P3 != (((0 + 1) - 1) % 2))) || (((P3 != ((this_expect - 1) % 2)) && (this_buffer_empty != 1)) && !(P3 != (((0 + 1) - 1) % 2))))) [L292] q = 4 [L294] this_expect=this_expect [L294] this_buffer_empty=(1 - this_buffer_empty) VAL [m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_Protocol=1, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, method_id=3, P1=0, P2=0, P3=-1, P4=0, P5=0, P6=-6, P7=7, P8=0, P9=-7, q=4, this_buffer_empty=1, this_expect=1] [L26] COND TRUE 1 [L29] int P1=__VERIFIER_nondet_int(); [L30] int P2=__VERIFIER_nondet_int(); [L31] int P3=__VERIFIER_nondet_int(); [L32] int P4=__VERIFIER_nondet_int(); [L33] int P5=__VERIFIER_nondet_int(); [L34] int P6=__VERIFIER_nondet_int(); [L35] int P7=__VERIFIER_nondet_int(); [L36] int P8=__VERIFIER_nondet_int(); [L37] int P9=__VERIFIER_nondet_int(); [L40] COND FALSE !(this_expect > 16) VAL [m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_Protocol=1, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, method_id=3, P1=51, P2=0, P3=0, P4=0, P5=0, P6=69, P7=8, P8=0, P9=-8, q=4, this_buffer_empty=1, this_expect=1] [L45] COND FALSE !(q == 0) VAL [m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_Protocol=1, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, method_id=3, P1=51, P2=0, P3=0, P4=0, P5=0, P6=69, P7=8, P8=0, P9=-8, q=4, this_buffer_empty=1, this_expect=1] [L65] COND FALSE !(q == 1) VAL [m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_Protocol=1, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, method_id=3, P1=51, P2=0, P3=0, P4=0, P5=0, P6=69, P7=8, P8=0, P9=-8, q=4, this_buffer_empty=1, this_expect=1] [L165] COND FALSE !(q == 2) VAL [m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_Protocol=1, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, method_id=3, P1=51, P2=0, P3=0, P4=0, P5=0, P6=69, P7=8, P8=0, P9=-8, q=4, this_buffer_empty=1, this_expect=1] [L265] COND FALSE !(q == 3) VAL [m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_Protocol=1, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, method_id=3, P1=51, P2=0, P3=0, P4=0, P5=0, P6=69, P7=8, P8=0, P9=-8, q=4, this_buffer_empty=1, this_expect=1] [L365] COND TRUE q == 4 [L366] COND FALSE !(__VERIFIER_nondet_int()) [L382] COND FALSE !(__VERIFIER_nondet_int()) [L398] COND FALSE !(__VERIFIER_nondet_int()) [L414] COND TRUE __VERIFIER_nondet_int() [L416] COND TRUE (((P1 % 2) != (0 % 2)) && !(((P1 % 2) != ((0 + 1) % 2)) && ((P1 % 2) != (0 % 2)))) [L418] method_id = 5 VAL [m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_Protocol=1, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, method_id=5, P1=51, P2=0, P3=0, P4=0, P5=0, P6=69, P7=8, P8=0, P9=-8, q=4, this_buffer_empty=1, this_expect=1] [L420] COND FALSE !(((((((P6 % 2) != (this_expect % 2)) && (this_buffer_empty == 1)) && ((P6 % 2) != (0 % 2))) && (((P6 % 2) != (0 % 2)) && !(((P6 % 2) != ((0 + 1) % 2)) && ((P6 % 2) != (0 % 2))))) || (((this_buffer_empty != 1) && ((P6 % 2) != (0 % 2))) && (((P6 % 2) != (0 % 2)) && !(((P6 % 2) != ((0 + 1) % 2)) && ((P6 % 2) != (0 % 2))))))) [L424] q = 5 [L426] this_expect=(this_expect + 1) [L426] this_buffer_empty=(1 - this_buffer_empty) VAL [m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_Protocol=1, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, method_id=5, P1=51, P2=0, P3=0, P4=0, P5=0, P6=69, P7=8, P8=0, P9=-8, q=5, this_buffer_empty=0, this_expect=2] [L26] COND TRUE 1 [L29] int P1=__VERIFIER_nondet_int(); [L30] int P2=__VERIFIER_nondet_int(); [L31] int P3=__VERIFIER_nondet_int(); [L32] int P4=__VERIFIER_nondet_int(); [L33] int P5=__VERIFIER_nondet_int(); [L34] int P6=__VERIFIER_nondet_int(); [L35] int P7=__VERIFIER_nondet_int(); [L36] int P8=__VERIFIER_nondet_int(); [L37] int P9=__VERIFIER_nondet_int(); [L40] COND FALSE !(this_expect > 16) VAL [m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_Protocol=1, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, method_id=5, P1=1, P2=0, P3=0, P4=0, P5=0, P6=9, P7=-9, P8=0, P9=54, q=5, this_buffer_empty=0, this_expect=2] [L45] COND FALSE !(q == 0) VAL [m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_Protocol=1, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, method_id=5, P1=1, P2=0, P3=0, P4=0, P5=0, P6=9, P7=-9, P8=0, P9=54, q=5, this_buffer_empty=0, this_expect=2] [L65] COND FALSE !(q == 1) VAL [m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_Protocol=1, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, method_id=5, P1=1, P2=0, P3=0, P4=0, P5=0, P6=9, P7=-9, P8=0, P9=54, q=5, this_buffer_empty=0, this_expect=2] [L165] COND FALSE !(q == 2) VAL [m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_Protocol=1, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, method_id=5, P1=1, P2=0, P3=0, P4=0, P5=0, P6=9, P7=-9, P8=0, P9=54, q=5, this_buffer_empty=0, this_expect=2] [L265] COND FALSE !(q == 3) VAL [m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_Protocol=1, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, method_id=5, P1=1, P2=0, P3=0, P4=0, P5=0, P6=9, P7=-9, P8=0, P9=54, q=5, this_buffer_empty=0, this_expect=2] [L365] COND FALSE !(q == 4) VAL [m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_Protocol=1, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, method_id=5, P1=1, P2=0, P3=0, P4=0, P5=0, P6=9, P7=-9, P8=0, P9=54, q=5, this_buffer_empty=0, this_expect=2] [L465] COND TRUE q == 5 [L466] COND FALSE !(__VERIFIER_nondet_int()) [L482] COND FALSE !(__VERIFIER_nondet_int()) [L498] COND FALSE !(__VERIFIER_nondet_int()) [L514] COND FALSE !(__VERIFIER_nondet_int()) [L530] COND FALSE !(__VERIFIER_nondet_int()) [L546] COND TRUE __VERIFIER_nondet_int() [L548] COND TRUE ((P1 != (((0 + 1) - 1) % 2)) && !((P1 != ((((0 + 1) + 1) - 1) % 2)) && (P1 != (((0 + 1) - 1) % 2)))) [L550] method_id = 7 VAL [m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_Protocol=1, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, method_id=7, P1=1, P2=0, P3=0, P4=0, P5=0, P6=9, P7=-9, P8=0, P9=54, q=5, this_buffer_empty=0, this_expect=2] [L552] COND FALSE !(((((this_buffer_empty == 1) && (P9 != (((0 + 1) - 1) % 2))) && ((P9 != (((0 + 1) - 1) % 2)) && !((P9 != ((((0 + 1) + 1) - 1) % 2)) && (P9 != (((0 + 1) - 1) % 2))))) || ((((P9 != ((this_expect - 1) % 2)) && (this_buffer_empty != 1)) && (P9 != (((0 + 1) - 1) % 2))) && ((P9 != (((0 + 1) - 1) % 2)) && !((P9 != ((((0 + 1) + 1) - 1) % 2)) && (P9 != (((0 + 1) - 1) % 2))))))) [L556] q = 1 [L558] this_expect=this_expect [L558] this_buffer_empty=(1 - this_buffer_empty) VAL [m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_Protocol=1, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, method_id=7, P1=1, P2=0, P3=0, P4=0, P5=0, P6=9, P7=-9, P8=0, P9=54, q=1, this_buffer_empty=1, this_expect=2] [L26] COND TRUE 1 [L29] int P1=__VERIFIER_nondet_int(); [L30] int P2=__VERIFIER_nondet_int(); [L31] int P3=__VERIFIER_nondet_int(); [L32] int P4=__VERIFIER_nondet_int(); [L33] int P5=__VERIFIER_nondet_int(); [L34] int P6=__VERIFIER_nondet_int(); [L35] int P7=__VERIFIER_nondet_int(); [L36] int P8=__VERIFIER_nondet_int(); [L37] int P9=__VERIFIER_nondet_int(); [L40] COND FALSE !(this_expect > 16) VAL [m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_Protocol=1, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, method_id=7, P1=-50, P2=0, P3=0, P4=0, P5=0, P6=10, P7=-10, P8=0, P9=11, q=1, this_buffer_empty=1, this_expect=2] [L45] COND FALSE !(q == 0) VAL [m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_Protocol=1, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, method_id=7, P1=-50, P2=0, P3=0, P4=0, P5=0, P6=10, P7=-10, P8=0, P9=11, q=1, this_buffer_empty=1, this_expect=2] [L65] COND TRUE q == 1 [L66] COND TRUE __VERIFIER_nondet_int() [L68] COND TRUE !((P1 % 2) != (0 % 2)) [L70] method_id = 2 VAL [m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_Protocol=1, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, method_id=2, P1=-50, P2=0, P3=0, P4=0, P5=0, P6=10, P7=-10, P8=0, P9=11, q=1, this_buffer_empty=1, this_expect=2] [L72] COND FALSE !((((((P1 % 2) != (this_expect % 2)) && (this_buffer_empty == 1)) && !((P1 % 2) != (0 % 2))) || ((this_buffer_empty != 1) && !((P1 % 2) != (0 % 2))))) [L76] q = 3 [L78] this_expect=(this_expect + 1) [L78] this_buffer_empty=(1 - this_buffer_empty) VAL [m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_Protocol=1, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, method_id=2, P1=-50, P2=0, P3=0, P4=0, P5=0, P6=10, P7=-10, P8=0, P9=11, q=3, this_buffer_empty=0, this_expect=3] [L26] COND TRUE 1 [L29] int P1=__VERIFIER_nondet_int(); [L30] int P2=__VERIFIER_nondet_int(); [L31] int P3=__VERIFIER_nondet_int(); [L32] int P4=__VERIFIER_nondet_int(); [L33] int P5=__VERIFIER_nondet_int(); [L34] int P6=__VERIFIER_nondet_int(); [L35] int P7=__VERIFIER_nondet_int(); [L36] int P8=__VERIFIER_nondet_int(); [L37] int P9=__VERIFIER_nondet_int(); [L40] COND FALSE !(this_expect > 16) VAL [m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_Protocol=1, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, method_id=2, P1=0, P2=0, P3=0, P4=0, P5=0, P6=-11, P7=-12, P8=0, P9=13, q=3, this_buffer_empty=0, this_expect=3] [L45] COND FALSE !(q == 0) VAL [m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_Protocol=1, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, method_id=2, P1=0, P2=0, P3=0, P4=0, P5=0, P6=-11, P7=-12, P8=0, P9=13, q=3, this_buffer_empty=0, this_expect=3] [L65] COND FALSE !(q == 1) VAL [m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_Protocol=1, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, method_id=2, P1=0, P2=0, P3=0, P4=0, P5=0, P6=-11, P7=-12, P8=0, P9=13, q=3, this_buffer_empty=0, this_expect=3] [L165] COND FALSE !(q == 2) VAL [m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_Protocol=1, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, method_id=2, P1=0, P2=0, P3=0, P4=0, P5=0, P6=-11, P7=-12, P8=0, P9=13, q=3, this_buffer_empty=0, this_expect=3] [L265] COND TRUE q == 3 [L266] COND FALSE !(__VERIFIER_nondet_int()) [L282] COND TRUE __VERIFIER_nondet_int() [L284] COND TRUE !(P1 != (((0 + 1) - 1) % 2)) [L286] method_id = 3 VAL [m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_Protocol=1, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, method_id=3, P1=0, P2=0, P3=0, P4=0, P5=0, P6=-11, P7=-12, P8=0, P9=13, q=3, this_buffer_empty=0, this_expect=3] [L288] COND FALSE !((((this_buffer_empty == 1) && !(P3 != (((0 + 1) - 1) % 2))) || (((P3 != ((this_expect - 1) % 2)) && (this_buffer_empty != 1)) && !(P3 != (((0 + 1) - 1) % 2))))) [L292] q = 4 [L294] this_expect=this_expect [L294] this_buffer_empty=(1 - this_buffer_empty) VAL [m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_Protocol=1, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, method_id=3, P1=0, P2=0, P3=0, P4=0, P5=0, P6=-11, P7=-12, P8=0, P9=13, q=4, this_buffer_empty=1, this_expect=3] [L26] COND TRUE 1 [L29] int P1=__VERIFIER_nondet_int(); [L30] int P2=__VERIFIER_nondet_int(); [L31] int P3=__VERIFIER_nondet_int(); [L32] int P4=__VERIFIER_nondet_int(); [L33] int P5=__VERIFIER_nondet_int(); [L34] int P6=__VERIFIER_nondet_int(); [L35] int P7=__VERIFIER_nondet_int(); [L36] int P8=__VERIFIER_nondet_int(); [L37] int P9=__VERIFIER_nondet_int(); [L40] COND FALSE !(this_expect > 16) VAL [m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_Protocol=1, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, method_id=3, P1=53, P2=0, P3=0, P4=0, P5=0, P6=72, P7=-13, P8=0, P9=14, q=4, this_buffer_empty=1, this_expect=3] [L45] COND FALSE !(q == 0) VAL [m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_Protocol=1, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, method_id=3, P1=53, P2=0, P3=0, P4=0, P5=0, P6=72, P7=-13, P8=0, P9=14, q=4, this_buffer_empty=1, this_expect=3] [L65] COND FALSE !(q == 1) VAL [m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_Protocol=1, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, method_id=3, P1=53, P2=0, P3=0, P4=0, P5=0, P6=72, P7=-13, P8=0, P9=14, q=4, this_buffer_empty=1, this_expect=3] [L165] COND FALSE !(q == 2) VAL [m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_Protocol=1, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, method_id=3, P1=53, P2=0, P3=0, P4=0, P5=0, P6=72, P7=-13, P8=0, P9=14, q=4, this_buffer_empty=1, this_expect=3] [L265] COND FALSE !(q == 3) VAL [m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_Protocol=1, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, method_id=3, P1=53, P2=0, P3=0, P4=0, P5=0, P6=72, P7=-13, P8=0, P9=14, q=4, this_buffer_empty=1, this_expect=3] [L365] COND TRUE q == 4 [L366] COND FALSE !(__VERIFIER_nondet_int()) [L382] COND FALSE !(__VERIFIER_nondet_int()) [L398] COND FALSE !(__VERIFIER_nondet_int()) [L414] COND TRUE __VERIFIER_nondet_int() [L416] COND TRUE (((P1 % 2) != (0 % 2)) && !(((P1 % 2) != ((0 + 1) % 2)) && ((P1 % 2) != (0 % 2)))) [L418] method_id = 5 VAL [m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_Protocol=1, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, method_id=5, P1=53, P2=0, P3=0, P4=0, P5=0, P6=72, P7=-13, P8=0, P9=14, q=4, this_buffer_empty=1, this_expect=3] [L420] COND FALSE !(((((((P6 % 2) != (this_expect % 2)) && (this_buffer_empty == 1)) && ((P6 % 2) != (0 % 2))) && (((P6 % 2) != (0 % 2)) && !(((P6 % 2) != ((0 + 1) % 2)) && ((P6 % 2) != (0 % 2))))) || (((this_buffer_empty != 1) && ((P6 % 2) != (0 % 2))) && (((P6 % 2) != (0 % 2)) && !(((P6 % 2) != ((0 + 1) % 2)) && ((P6 % 2) != (0 % 2))))))) [L424] q = 5 [L426] this_expect=(this_expect + 1) [L426] this_buffer_empty=(1 - this_buffer_empty) VAL [m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_Protocol=1, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, method_id=5, P1=53, P2=0, P3=0, P4=0, P5=0, P6=72, P7=-13, P8=0, P9=14, q=5, this_buffer_empty=0, this_expect=4] [L26] COND TRUE 1 [L29] int P1=__VERIFIER_nondet_int(); [L30] int P2=__VERIFIER_nondet_int(); [L31] int P3=__VERIFIER_nondet_int(); [L32] int P4=__VERIFIER_nondet_int(); [L33] int P5=__VERIFIER_nondet_int(); [L34] int P6=__VERIFIER_nondet_int(); [L35] int P7=__VERIFIER_nondet_int(); [L36] int P8=__VERIFIER_nondet_int(); [L37] int P9=__VERIFIER_nondet_int(); [L40] COND FALSE !(this_expect > 16) VAL [m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_Protocol=1, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, method_id=5, P1=1, P2=0, P3=0, P4=0, P5=0, P6=-14, P7=15, P8=0, P9=1, q=5, this_buffer_empty=0, this_expect=4] [L45] COND FALSE !(q == 0) VAL [m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_Protocol=1, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, method_id=5, P1=1, P2=0, P3=0, P4=0, P5=0, P6=-14, P7=15, P8=0, P9=1, q=5, this_buffer_empty=0, this_expect=4] [L65] COND FALSE !(q == 1) VAL [m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_Protocol=1, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, method_id=5, P1=1, P2=0, P3=0, P4=0, P5=0, P6=-14, P7=15, P8=0, P9=1, q=5, this_buffer_empty=0, this_expect=4] [L165] COND FALSE !(q == 2) VAL [m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_Protocol=1, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, method_id=5, P1=1, P2=0, P3=0, P4=0, P5=0, P6=-14, P7=15, P8=0, P9=1, q=5, this_buffer_empty=0, this_expect=4] [L265] COND FALSE !(q == 3) VAL [m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_Protocol=1, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, method_id=5, P1=1, P2=0, P3=0, P4=0, P5=0, P6=-14, P7=15, P8=0, P9=1, q=5, this_buffer_empty=0, this_expect=4] [L365] COND FALSE !(q == 4) VAL [m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_Protocol=1, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, method_id=5, P1=1, P2=0, P3=0, P4=0, P5=0, P6=-14, P7=15, P8=0, P9=1, q=5, this_buffer_empty=0, this_expect=4] [L465] COND TRUE q == 5 [L466] COND FALSE !(__VERIFIER_nondet_int()) [L482] COND FALSE !(__VERIFIER_nondet_int()) [L498] COND FALSE !(__VERIFIER_nondet_int()) [L514] COND FALSE !(__VERIFIER_nondet_int()) [L530] COND FALSE !(__VERIFIER_nondet_int()) [L546] COND TRUE __VERIFIER_nondet_int() [L548] COND TRUE ((P1 != (((0 + 1) - 1) % 2)) && !((P1 != ((((0 + 1) + 1) - 1) % 2)) && (P1 != (((0 + 1) - 1) % 2)))) [L550] method_id = 7 VAL [m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_Protocol=1, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, method_id=7, P1=1, P2=0, P3=0, P4=0, P5=0, P6=-14, P7=15, P8=0, P9=1, q=5, this_buffer_empty=0, this_expect=4] [L552] COND FALSE !(((((this_buffer_empty == 1) && (P9 != (((0 + 1) - 1) % 2))) && ((P9 != (((0 + 1) - 1) % 2)) && !((P9 != ((((0 + 1) + 1) - 1) % 2)) && (P9 != (((0 + 1) - 1) % 2))))) || ((((P9 != ((this_expect - 1) % 2)) && (this_buffer_empty != 1)) && (P9 != (((0 + 1) - 1) % 2))) && ((P9 != (((0 + 1) - 1) % 2)) && !((P9 != ((((0 + 1) + 1) - 1) % 2)) && (P9 != (((0 + 1) - 1) % 2))))))) [L556] q = 1 [L558] this_expect=this_expect [L558] this_buffer_empty=(1 - this_buffer_empty) VAL [m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_Protocol=1, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, method_id=7, P1=1, P2=0, P3=0, P4=0, P5=0, P6=-14, P7=15, P8=0, P9=1, q=1, this_buffer_empty=1, this_expect=4] [L26] COND TRUE 1 [L29] int P1=__VERIFIER_nondet_int(); [L30] int P2=__VERIFIER_nondet_int(); [L31] int P3=__VERIFIER_nondet_int(); [L32] int P4=__VERIFIER_nondet_int(); [L33] int P5=__VERIFIER_nondet_int(); [L34] int P6=__VERIFIER_nondet_int(); [L35] int P7=__VERIFIER_nondet_int(); [L36] int P8=__VERIFIER_nondet_int(); [L37] int P9=__VERIFIER_nondet_int(); [L40] COND FALSE !(this_expect > 16) VAL [m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_Protocol=1, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, method_id=7, P1=-52, P2=0, P3=0, P4=0, P5=0, P6=-15, P7=-16, P8=0, P9=17, q=1, this_buffer_empty=1, this_expect=4] [L45] COND FALSE !(q == 0) VAL [m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_Protocol=1, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, method_id=7, P1=-52, P2=0, P3=0, P4=0, P5=0, P6=-15, P7=-16, P8=0, P9=17, q=1, this_buffer_empty=1, this_expect=4] [L65] COND TRUE q == 1 [L66] COND TRUE __VERIFIER_nondet_int() [L68] COND TRUE !((P1 % 2) != (0 % 2)) [L70] method_id = 2 VAL [m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_Protocol=1, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, method_id=2, P1=-52, P2=0, P3=0, P4=0, P5=0, P6=-15, P7=-16, P8=0, P9=17, q=1, this_buffer_empty=1, this_expect=4] [L72] COND FALSE !((((((P1 % 2) != (this_expect % 2)) && (this_buffer_empty == 1)) && !((P1 % 2) != (0 % 2))) || ((this_buffer_empty != 1) && !((P1 % 2) != (0 % 2))))) [L76] q = 3 [L78] this_expect=(this_expect + 1) [L78] this_buffer_empty=(1 - this_buffer_empty) VAL [m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_Protocol=1, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, method_id=2, P1=-52, P2=0, P3=0, P4=0, P5=0, P6=-15, P7=-16, P8=0, P9=17, q=3, this_buffer_empty=0, this_expect=5] [L26] COND TRUE 1 [L29] int P1=__VERIFIER_nondet_int(); [L30] int P2=__VERIFIER_nondet_int(); [L31] int P3=__VERIFIER_nondet_int(); [L32] int P4=__VERIFIER_nondet_int(); [L33] int P5=__VERIFIER_nondet_int(); [L34] int P6=__VERIFIER_nondet_int(); [L35] int P7=__VERIFIER_nondet_int(); [L36] int P8=__VERIFIER_nondet_int(); [L37] int P9=__VERIFIER_nondet_int(); [L40] COND FALSE !(this_expect > 16) VAL [m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_Protocol=1, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, method_id=2, P1=0, P2=0, P3=1, P4=0, P5=0, P6=-17, P7=18, P8=0, P9=-18, q=3, this_buffer_empty=0, this_expect=5] [L45] COND FALSE !(q == 0) VAL [m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_Protocol=1, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, method_id=2, P1=0, P2=0, P3=1, P4=0, P5=0, P6=-17, P7=18, P8=0, P9=-18, q=3, this_buffer_empty=0, this_expect=5] [L65] COND FALSE !(q == 1) VAL [m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_Protocol=1, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, method_id=2, P1=0, P2=0, P3=1, P4=0, P5=0, P6=-17, P7=18, P8=0, P9=-18, q=3, this_buffer_empty=0, this_expect=5] [L165] COND FALSE !(q == 2) VAL [m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_Protocol=1, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, method_id=2, P1=0, P2=0, P3=1, P4=0, P5=0, P6=-17, P7=18, P8=0, P9=-18, q=3, this_buffer_empty=0, this_expect=5] [L265] COND TRUE q == 3 [L266] COND FALSE !(__VERIFIER_nondet_int()) [L282] COND TRUE __VERIFIER_nondet_int() [L284] COND TRUE !(P1 != (((0 + 1) - 1) % 2)) [L286] method_id = 3 VAL [m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_Protocol=1, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, method_id=3, P1=0, P2=0, P3=1, P4=0, P5=0, P6=-17, P7=18, P8=0, P9=-18, q=3, this_buffer_empty=0, this_expect=5] [L288] COND FALSE !((((this_buffer_empty == 1) && !(P3 != (((0 + 1) - 1) % 2))) || (((P3 != ((this_expect - 1) % 2)) && (this_buffer_empty != 1)) && !(P3 != (((0 + 1) - 1) % 2))))) [L292] q = 4 [L294] this_expect=this_expect [L294] this_buffer_empty=(1 - this_buffer_empty) VAL [m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_Protocol=1, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, method_id=3, P1=0, P2=0, P3=1, P4=0, P5=0, P6=-17, P7=18, P8=0, P9=-18, q=4, this_buffer_empty=1, this_expect=5] [L26] COND TRUE 1 [L29] int P1=__VERIFIER_nondet_int(); [L30] int P2=__VERIFIER_nondet_int(); [L31] int P3=__VERIFIER_nondet_int(); [L32] int P4=__VERIFIER_nondet_int(); [L33] int P5=__VERIFIER_nondet_int(); [L34] int P6=__VERIFIER_nondet_int(); [L35] int P7=__VERIFIER_nondet_int(); [L36] int P8=__VERIFIER_nondet_int(); [L37] int P9=__VERIFIER_nondet_int(); [L40] COND FALSE !(this_expect > 16) VAL [m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_Protocol=1, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, method_id=3, P1=55, P2=0, P3=0, P4=0, P5=0, P6=73, P7=19, P8=0, P9=-19, q=4, this_buffer_empty=1, this_expect=5] [L45] COND FALSE !(q == 0) VAL [m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_Protocol=1, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, method_id=3, P1=55, P2=0, P3=0, P4=0, P5=0, P6=73, P7=19, P8=0, P9=-19, q=4, this_buffer_empty=1, this_expect=5] [L65] COND FALSE !(q == 1) VAL [m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_Protocol=1, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, method_id=3, P1=55, P2=0, P3=0, P4=0, P5=0, P6=73, P7=19, P8=0, P9=-19, q=4, this_buffer_empty=1, this_expect=5] [L165] COND FALSE !(q == 2) VAL [m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_Protocol=1, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, method_id=3, P1=55, P2=0, P3=0, P4=0, P5=0, P6=73, P7=19, P8=0, P9=-19, q=4, this_buffer_empty=1, this_expect=5] [L265] COND FALSE !(q == 3) VAL [m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_Protocol=1, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, method_id=3, P1=55, P2=0, P3=0, P4=0, P5=0, P6=73, P7=19, P8=0, P9=-19, q=4, this_buffer_empty=1, this_expect=5] [L365] COND TRUE q == 4 [L366] COND FALSE !(__VERIFIER_nondet_int()) [L382] COND FALSE !(__VERIFIER_nondet_int()) [L398] COND FALSE !(__VERIFIER_nondet_int()) [L414] COND TRUE __VERIFIER_nondet_int() [L416] COND TRUE (((P1 % 2) != (0 % 2)) && !(((P1 % 2) != ((0 + 1) % 2)) && ((P1 % 2) != (0 % 2)))) [L418] method_id = 5 VAL [m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_Protocol=1, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, method_id=5, P1=55, P2=0, P3=0, P4=0, P5=0, P6=73, P7=19, P8=0, P9=-19, q=4, this_buffer_empty=1, this_expect=5] [L420] COND FALSE !(((((((P6 % 2) != (this_expect % 2)) && (this_buffer_empty == 1)) && ((P6 % 2) != (0 % 2))) && (((P6 % 2) != (0 % 2)) && !(((P6 % 2) != ((0 + 1) % 2)) && ((P6 % 2) != (0 % 2))))) || (((this_buffer_empty != 1) && ((P6 % 2) != (0 % 2))) && (((P6 % 2) != (0 % 2)) && !(((P6 % 2) != ((0 + 1) % 2)) && ((P6 % 2) != (0 % 2))))))) [L424] q = 5 [L426] this_expect=(this_expect + 1) [L426] this_buffer_empty=(1 - this_buffer_empty) VAL [m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_Protocol=1, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, method_id=5, P1=55, P2=0, P3=0, P4=0, P5=0, P6=73, P7=19, P8=0, P9=-19, q=5, this_buffer_empty=0, this_expect=6] [L26] COND TRUE 1 [L29] int P1=__VERIFIER_nondet_int(); [L30] int P2=__VERIFIER_nondet_int(); [L31] int P3=__VERIFIER_nondet_int(); [L32] int P4=__VERIFIER_nondet_int(); [L33] int P5=__VERIFIER_nondet_int(); [L34] int P6=__VERIFIER_nondet_int(); [L35] int P7=__VERIFIER_nondet_int(); [L36] int P8=__VERIFIER_nondet_int(); [L37] int P9=__VERIFIER_nondet_int(); [L40] COND FALSE !(this_expect > 16) VAL [m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_Protocol=1, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, method_id=5, P1=1, P2=0, P3=0, P4=0, P5=0, P6=20, P7=-20, P8=0, P9=-51, q=5, this_buffer_empty=0, this_expect=6] [L45] COND FALSE !(q == 0) VAL [m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_Protocol=1, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, method_id=5, P1=1, P2=0, P3=0, P4=0, P5=0, P6=20, P7=-20, P8=0, P9=-51, q=5, this_buffer_empty=0, this_expect=6] [L65] COND FALSE !(q == 1) VAL [m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_Protocol=1, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, method_id=5, P1=1, P2=0, P3=0, P4=0, P5=0, P6=20, P7=-20, P8=0, P9=-51, q=5, this_buffer_empty=0, this_expect=6] [L165] COND FALSE !(q == 2) VAL [m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_Protocol=1, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, method_id=5, P1=1, P2=0, P3=0, P4=0, P5=0, P6=20, P7=-20, P8=0, P9=-51, q=5, this_buffer_empty=0, this_expect=6] [L265] COND FALSE !(q == 3) VAL [m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_Protocol=1, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, method_id=5, P1=1, P2=0, P3=0, P4=0, P5=0, P6=20, P7=-20, P8=0, P9=-51, q=5, this_buffer_empty=0, this_expect=6] [L365] COND FALSE !(q == 4) VAL [m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_Protocol=1, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, method_id=5, P1=1, P2=0, P3=0, P4=0, P5=0, P6=20, P7=-20, P8=0, P9=-51, q=5, this_buffer_empty=0, this_expect=6] [L465] COND TRUE q == 5 [L466] COND FALSE !(__VERIFIER_nondet_int()) [L482] COND FALSE !(__VERIFIER_nondet_int()) [L498] COND FALSE !(__VERIFIER_nondet_int()) [L514] COND FALSE !(__VERIFIER_nondet_int()) [L530] COND FALSE !(__VERIFIER_nondet_int()) [L546] COND TRUE __VERIFIER_nondet_int() [L548] COND TRUE ((P1 != (((0 + 1) - 1) % 2)) && !((P1 != ((((0 + 1) + 1) - 1) % 2)) && (P1 != (((0 + 1) - 1) % 2)))) [L550] method_id = 7 VAL [m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_Protocol=1, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, method_id=7, P1=1, P2=0, P3=0, P4=0, P5=0, P6=20, P7=-20, P8=0, P9=-51, q=5, this_buffer_empty=0, this_expect=6] [L552] COND FALSE !(((((this_buffer_empty == 1) && (P9 != (((0 + 1) - 1) % 2))) && ((P9 != (((0 + 1) - 1) % 2)) && !((P9 != ((((0 + 1) + 1) - 1) % 2)) && (P9 != (((0 + 1) - 1) % 2))))) || ((((P9 != ((this_expect - 1) % 2)) && (this_buffer_empty != 1)) && (P9 != (((0 + 1) - 1) % 2))) && ((P9 != (((0 + 1) - 1) % 2)) && !((P9 != ((((0 + 1) + 1) - 1) % 2)) && (P9 != (((0 + 1) - 1) % 2))))))) [L556] q = 1 [L558] this_expect=this_expect [L558] this_buffer_empty=(1 - this_buffer_empty) VAL [m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_Protocol=1, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, method_id=7, P1=1, P2=0, P3=0, P4=0, P5=0, P6=20, P7=-20, P8=0, P9=-51, q=1, this_buffer_empty=1, this_expect=6] [L26] COND TRUE 1 [L29] int P1=__VERIFIER_nondet_int(); [L30] int P2=__VERIFIER_nondet_int(); [L31] int P3=__VERIFIER_nondet_int(); [L32] int P4=__VERIFIER_nondet_int(); [L33] int P5=__VERIFIER_nondet_int(); [L34] int P6=__VERIFIER_nondet_int(); [L35] int P7=__VERIFIER_nondet_int(); [L36] int P8=__VERIFIER_nondet_int(); [L37] int P9=__VERIFIER_nondet_int(); [L40] COND FALSE !(this_expect > 16) VAL [m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_Protocol=1, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, method_id=7, P1=-54, P2=0, P3=0, P4=0, P5=0, P6=21, P7=-21, P8=0, P9=22, q=1, this_buffer_empty=1, this_expect=6] [L45] COND FALSE !(q == 0) VAL [m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_Protocol=1, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, method_id=7, P1=-54, P2=0, P3=0, P4=0, P5=0, P6=21, P7=-21, P8=0, P9=22, q=1, this_buffer_empty=1, this_expect=6] [L65] COND TRUE q == 1 [L66] COND TRUE __VERIFIER_nondet_int() [L68] COND TRUE !((P1 % 2) != (0 % 2)) [L70] method_id = 2 VAL [m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_Protocol=1, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, method_id=2, P1=-54, P2=0, P3=0, P4=0, P5=0, P6=21, P7=-21, P8=0, P9=22, q=1, this_buffer_empty=1, this_expect=6] [L72] COND FALSE !((((((P1 % 2) != (this_expect % 2)) && (this_buffer_empty == 1)) && !((P1 % 2) != (0 % 2))) || ((this_buffer_empty != 1) && !((P1 % 2) != (0 % 2))))) [L76] q = 3 [L78] this_expect=(this_expect + 1) [L78] this_buffer_empty=(1 - this_buffer_empty) VAL [m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_Protocol=1, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, method_id=2, P1=-54, P2=0, P3=0, P4=0, P5=0, P6=21, P7=-21, P8=0, P9=22, q=3, this_buffer_empty=0, this_expect=7] [L26] COND TRUE 1 [L29] int P1=__VERIFIER_nondet_int(); [L30] int P2=__VERIFIER_nondet_int(); [L31] int P3=__VERIFIER_nondet_int(); [L32] int P4=__VERIFIER_nondet_int(); [L33] int P5=__VERIFIER_nondet_int(); [L34] int P6=__VERIFIER_nondet_int(); [L35] int P7=__VERIFIER_nondet_int(); [L36] int P8=__VERIFIER_nondet_int(); [L37] int P9=__VERIFIER_nondet_int(); [L40] COND FALSE !(this_expect > 16) VAL [m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_Protocol=1, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, method_id=2, P1=0, P2=0, P3=1, P4=0, P5=0, P6=-22, P7=23, P8=0, P9=-23, q=3, this_buffer_empty=0, this_expect=7] [L45] COND FALSE !(q == 0) VAL [m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_Protocol=1, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, method_id=2, P1=0, P2=0, P3=1, P4=0, P5=0, P6=-22, P7=23, P8=0, P9=-23, q=3, this_buffer_empty=0, this_expect=7] [L65] COND FALSE !(q == 1) VAL [m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_Protocol=1, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, method_id=2, P1=0, P2=0, P3=1, P4=0, P5=0, P6=-22, P7=23, P8=0, P9=-23, q=3, this_buffer_empty=0, this_expect=7] [L165] COND FALSE !(q == 2) VAL [m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_Protocol=1, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, method_id=2, P1=0, P2=0, P3=1, P4=0, P5=0, P6=-22, P7=23, P8=0, P9=-23, q=3, this_buffer_empty=0, this_expect=7] [L265] COND TRUE q == 3 [L266] COND FALSE !(__VERIFIER_nondet_int()) [L282] COND TRUE __VERIFIER_nondet_int() [L284] COND TRUE !(P1 != (((0 + 1) - 1) % 2)) [L286] method_id = 3 VAL [m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_Protocol=1, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, method_id=3, P1=0, P2=0, P3=1, P4=0, P5=0, P6=-22, P7=23, P8=0, P9=-23, q=3, this_buffer_empty=0, this_expect=7] [L288] COND FALSE !((((this_buffer_empty == 1) && !(P3 != (((0 + 1) - 1) % 2))) || (((P3 != ((this_expect - 1) % 2)) && (this_buffer_empty != 1)) && !(P3 != (((0 + 1) - 1) % 2))))) [L292] q = 4 [L294] this_expect=this_expect [L294] this_buffer_empty=(1 - this_buffer_empty) VAL [m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_Protocol=1, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, method_id=3, P1=0, P2=0, P3=1, P4=0, P5=0, P6=-22, P7=23, P8=0, P9=-23, q=4, this_buffer_empty=1, this_expect=7] [L26] COND TRUE 1 [L29] int P1=__VERIFIER_nondet_int(); [L30] int P2=__VERIFIER_nondet_int(); [L31] int P3=__VERIFIER_nondet_int(); [L32] int P4=__VERIFIER_nondet_int(); [L33] int P5=__VERIFIER_nondet_int(); [L34] int P6=__VERIFIER_nondet_int(); [L35] int P7=__VERIFIER_nondet_int(); [L36] int P8=__VERIFIER_nondet_int(); [L37] int P9=__VERIFIER_nondet_int(); [L40] COND FALSE !(this_expect > 16) VAL [m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_Protocol=1, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, method_id=3, P1=57, P2=0, P3=0, P4=0, P5=0, P6=75, P7=24, P8=0, P9=-24, q=4, this_buffer_empty=1, this_expect=7] [L45] COND FALSE !(q == 0) VAL [m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_Protocol=1, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, method_id=3, P1=57, P2=0, P3=0, P4=0, P5=0, P6=75, P7=24, P8=0, P9=-24, q=4, this_buffer_empty=1, this_expect=7] [L65] COND FALSE !(q == 1) VAL [m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_Protocol=1, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, method_id=3, P1=57, P2=0, P3=0, P4=0, P5=0, P6=75, P7=24, P8=0, P9=-24, q=4, this_buffer_empty=1, this_expect=7] [L165] COND FALSE !(q == 2) VAL [m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_Protocol=1, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, method_id=3, P1=57, P2=0, P3=0, P4=0, P5=0, P6=75, P7=24, P8=0, P9=-24, q=4, this_buffer_empty=1, this_expect=7] [L265] COND FALSE !(q == 3) VAL [m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_Protocol=1, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, method_id=3, P1=57, P2=0, P3=0, P4=0, P5=0, P6=75, P7=24, P8=0, P9=-24, q=4, this_buffer_empty=1, this_expect=7] [L365] COND TRUE q == 4 [L366] COND FALSE !(__VERIFIER_nondet_int()) [L382] COND FALSE !(__VERIFIER_nondet_int()) [L398] COND FALSE !(__VERIFIER_nondet_int()) [L414] COND TRUE __VERIFIER_nondet_int() [L416] COND TRUE (((P1 % 2) != (0 % 2)) && !(((P1 % 2) != ((0 + 1) % 2)) && ((P1 % 2) != (0 % 2)))) [L418] method_id = 5 VAL [m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_Protocol=1, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, method_id=5, P1=57, P2=0, P3=0, P4=0, P5=0, P6=75, P7=24, P8=0, P9=-24, q=4, this_buffer_empty=1, this_expect=7] [L420] COND FALSE !(((((((P6 % 2) != (this_expect % 2)) && (this_buffer_empty == 1)) && ((P6 % 2) != (0 % 2))) && (((P6 % 2) != (0 % 2)) && !(((P6 % 2) != ((0 + 1) % 2)) && ((P6 % 2) != (0 % 2))))) || (((this_buffer_empty != 1) && ((P6 % 2) != (0 % 2))) && (((P6 % 2) != (0 % 2)) && !(((P6 % 2) != ((0 + 1) % 2)) && ((P6 % 2) != (0 % 2))))))) [L424] q = 5 [L426] this_expect=(this_expect + 1) [L426] this_buffer_empty=(1 - this_buffer_empty) VAL [m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_Protocol=1, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, method_id=5, P1=57, P2=0, P3=0, P4=0, P5=0, P6=75, P7=24, P8=0, P9=-24, q=5, this_buffer_empty=0, this_expect=8] [L26] COND TRUE 1 [L29] int P1=__VERIFIER_nondet_int(); [L30] int P2=__VERIFIER_nondet_int(); [L31] int P3=__VERIFIER_nondet_int(); [L32] int P4=__VERIFIER_nondet_int(); [L33] int P5=__VERIFIER_nondet_int(); [L34] int P6=__VERIFIER_nondet_int(); [L35] int P7=__VERIFIER_nondet_int(); [L36] int P8=__VERIFIER_nondet_int(); [L37] int P9=__VERIFIER_nondet_int(); [L40] COND FALSE !(this_expect > 16) VAL [m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_Protocol=1, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, method_id=5, P1=1, P2=0, P3=0, P4=0, P5=0, P6=25, P7=-25, P8=0, P9=0, q=5, this_buffer_empty=0, this_expect=8] [L45] COND FALSE !(q == 0) VAL [m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_Protocol=1, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, method_id=5, P1=1, P2=0, P3=0, P4=0, P5=0, P6=25, P7=-25, P8=0, P9=0, q=5, this_buffer_empty=0, this_expect=8] [L65] COND FALSE !(q == 1) VAL [m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_Protocol=1, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, method_id=5, P1=1, P2=0, P3=0, P4=0, P5=0, P6=25, P7=-25, P8=0, P9=0, q=5, this_buffer_empty=0, this_expect=8] [L165] COND FALSE !(q == 2) VAL [m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_Protocol=1, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, method_id=5, P1=1, P2=0, P3=0, P4=0, P5=0, P6=25, P7=-25, P8=0, P9=0, q=5, this_buffer_empty=0, this_expect=8] [L265] COND FALSE !(q == 3) VAL [m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_Protocol=1, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, method_id=5, P1=1, P2=0, P3=0, P4=0, P5=0, P6=25, P7=-25, P8=0, P9=0, q=5, this_buffer_empty=0, this_expect=8] [L365] COND FALSE !(q == 4) VAL [m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_Protocol=1, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, method_id=5, P1=1, P2=0, P3=0, P4=0, P5=0, P6=25, P7=-25, P8=0, P9=0, q=5, this_buffer_empty=0, this_expect=8] [L465] COND TRUE q == 5 [L466] COND FALSE !(__VERIFIER_nondet_int()) [L482] COND FALSE !(__VERIFIER_nondet_int()) [L498] COND FALSE !(__VERIFIER_nondet_int()) [L514] COND FALSE !(__VERIFIER_nondet_int()) [L530] COND FALSE !(__VERIFIER_nondet_int()) [L546] COND TRUE __VERIFIER_nondet_int() [L548] COND TRUE ((P1 != (((0 + 1) - 1) % 2)) && !((P1 != ((((0 + 1) + 1) - 1) % 2)) && (P1 != (((0 + 1) - 1) % 2)))) [L550] method_id = 7 VAL [m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_Protocol=1, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, method_id=7, P1=1, P2=0, P3=0, P4=0, P5=0, P6=25, P7=-25, P8=0, P9=0, q=5, this_buffer_empty=0, this_expect=8] [L552] COND FALSE !(((((this_buffer_empty == 1) && (P9 != (((0 + 1) - 1) % 2))) && ((P9 != (((0 + 1) - 1) % 2)) && !((P9 != ((((0 + 1) + 1) - 1) % 2)) && (P9 != (((0 + 1) - 1) % 2))))) || ((((P9 != ((this_expect - 1) % 2)) && (this_buffer_empty != 1)) && (P9 != (((0 + 1) - 1) % 2))) && ((P9 != (((0 + 1) - 1) % 2)) && !((P9 != ((((0 + 1) + 1) - 1) % 2)) && (P9 != (((0 + 1) - 1) % 2))))))) [L556] q = 1 [L558] this_expect=this_expect [L558] this_buffer_empty=(1 - this_buffer_empty) VAL [m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_Protocol=1, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, method_id=7, P1=1, P2=0, P3=0, P4=0, P5=0, P6=25, P7=-25, P8=0, P9=0, q=1, this_buffer_empty=1, this_expect=8] [L26] COND TRUE 1 [L29] int P1=__VERIFIER_nondet_int(); [L30] int P2=__VERIFIER_nondet_int(); [L31] int P3=__VERIFIER_nondet_int(); [L32] int P4=__VERIFIER_nondet_int(); [L33] int P5=__VERIFIER_nondet_int(); [L34] int P6=__VERIFIER_nondet_int(); [L35] int P7=__VERIFIER_nondet_int(); [L36] int P8=__VERIFIER_nondet_int(); [L37] int P9=__VERIFIER_nondet_int(); [L40] COND FALSE !(this_expect > 16) VAL [m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_Protocol=1, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, method_id=7, P1=58, P2=0, P3=0, P4=0, P5=0, P6=26, P7=-26, P8=0, P9=27, q=1, this_buffer_empty=1, this_expect=8] [L45] COND FALSE !(q == 0) VAL [m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_Protocol=1, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, method_id=7, P1=58, P2=0, P3=0, P4=0, P5=0, P6=26, P7=-26, P8=0, P9=27, q=1, this_buffer_empty=1, this_expect=8] [L65] COND TRUE q == 1 [L66] COND TRUE __VERIFIER_nondet_int() [L68] COND TRUE !((P1 % 2) != (0 % 2)) [L70] method_id = 2 VAL [m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_Protocol=1, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, method_id=2, P1=58, P2=0, P3=0, P4=0, P5=0, P6=26, P7=-26, P8=0, P9=27, q=1, this_buffer_empty=1, this_expect=8] [L72] COND FALSE !((((((P1 % 2) != (this_expect % 2)) && (this_buffer_empty == 1)) && !((P1 % 2) != (0 % 2))) || ((this_buffer_empty != 1) && !((P1 % 2) != (0 % 2))))) [L76] q = 3 [L78] this_expect=(this_expect + 1) [L78] this_buffer_empty=(1 - this_buffer_empty) VAL [m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_Protocol=1, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, method_id=2, P1=58, P2=0, P3=0, P4=0, P5=0, P6=26, P7=-26, P8=0, P9=27, q=3, this_buffer_empty=0, this_expect=9] [L26] COND TRUE 1 [L29] int P1=__VERIFIER_nondet_int(); [L30] int P2=__VERIFIER_nondet_int(); [L31] int P3=__VERIFIER_nondet_int(); [L32] int P4=__VERIFIER_nondet_int(); [L33] int P5=__VERIFIER_nondet_int(); [L34] int P6=__VERIFIER_nondet_int(); [L35] int P7=__VERIFIER_nondet_int(); [L36] int P8=__VERIFIER_nondet_int(); [L37] int P9=__VERIFIER_nondet_int(); [L40] COND FALSE !(this_expect > 16) VAL [m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_Protocol=1, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, method_id=2, P1=0, P2=0, P3=-1, P4=0, P5=0, P6=-27, P7=28, P8=0, P9=-28, q=3, this_buffer_empty=0, this_expect=9] [L45] COND FALSE !(q == 0) VAL [m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_Protocol=1, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, method_id=2, P1=0, P2=0, P3=-1, P4=0, P5=0, P6=-27, P7=28, P8=0, P9=-28, q=3, this_buffer_empty=0, this_expect=9] [L65] COND FALSE !(q == 1) VAL [m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_Protocol=1, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, method_id=2, P1=0, P2=0, P3=-1, P4=0, P5=0, P6=-27, P7=28, P8=0, P9=-28, q=3, this_buffer_empty=0, this_expect=9] [L165] COND FALSE !(q == 2) VAL [m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_Protocol=1, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, method_id=2, P1=0, P2=0, P3=-1, P4=0, P5=0, P6=-27, P7=28, P8=0, P9=-28, q=3, this_buffer_empty=0, this_expect=9] [L265] COND TRUE q == 3 [L266] COND FALSE !(__VERIFIER_nondet_int()) [L282] COND TRUE __VERIFIER_nondet_int() [L284] COND TRUE !(P1 != (((0 + 1) - 1) % 2)) [L286] method_id = 3 VAL [m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_Protocol=1, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, method_id=3, P1=0, P2=0, P3=-1, P4=0, P5=0, P6=-27, P7=28, P8=0, P9=-28, q=3, this_buffer_empty=0, this_expect=9] [L288] COND FALSE !((((this_buffer_empty == 1) && !(P3 != (((0 + 1) - 1) % 2))) || (((P3 != ((this_expect - 1) % 2)) && (this_buffer_empty != 1)) && !(P3 != (((0 + 1) - 1) % 2))))) [L292] q = 4 [L294] this_expect=this_expect [L294] this_buffer_empty=(1 - this_buffer_empty) VAL [m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_Protocol=1, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, method_id=3, P1=0, P2=0, P3=-1, P4=0, P5=0, P6=-27, P7=28, P8=0, P9=-28, q=4, this_buffer_empty=1, this_expect=9] [L26] COND TRUE 1 [L29] int P1=__VERIFIER_nondet_int(); [L30] int P2=__VERIFIER_nondet_int(); [L31] int P3=__VERIFIER_nondet_int(); [L32] int P4=__VERIFIER_nondet_int(); [L33] int P5=__VERIFIER_nondet_int(); [L34] int P6=__VERIFIER_nondet_int(); [L35] int P7=__VERIFIER_nondet_int(); [L36] int P8=__VERIFIER_nondet_int(); [L37] int P9=__VERIFIER_nondet_int(); [L40] COND FALSE !(this_expect > 16) VAL [m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_Protocol=1, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, method_id=3, P1=59, P2=0, P3=0, P4=0, P5=0, P6=61, P7=29, P8=0, P9=-29, q=4, this_buffer_empty=1, this_expect=9] [L45] COND FALSE !(q == 0) VAL [m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_Protocol=1, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, method_id=3, P1=59, P2=0, P3=0, P4=0, P5=0, P6=61, P7=29, P8=0, P9=-29, q=4, this_buffer_empty=1, this_expect=9] [L65] COND FALSE !(q == 1) VAL [m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_Protocol=1, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, method_id=3, P1=59, P2=0, P3=0, P4=0, P5=0, P6=61, P7=29, P8=0, P9=-29, q=4, this_buffer_empty=1, this_expect=9] [L165] COND FALSE !(q == 2) VAL [m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_Protocol=1, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, method_id=3, P1=59, P2=0, P3=0, P4=0, P5=0, P6=61, P7=29, P8=0, P9=-29, q=4, this_buffer_empty=1, this_expect=9] [L265] COND FALSE !(q == 3) VAL [m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_Protocol=1, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, method_id=3, P1=59, P2=0, P3=0, P4=0, P5=0, P6=61, P7=29, P8=0, P9=-29, q=4, this_buffer_empty=1, this_expect=9] [L365] COND TRUE q == 4 [L366] COND FALSE !(__VERIFIER_nondet_int()) [L382] COND FALSE !(__VERIFIER_nondet_int()) [L398] COND FALSE !(__VERIFIER_nondet_int()) [L414] COND TRUE __VERIFIER_nondet_int() [L416] COND TRUE (((P1 % 2) != (0 % 2)) && !(((P1 % 2) != ((0 + 1) % 2)) && ((P1 % 2) != (0 % 2)))) [L418] method_id = 5 VAL [m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_Protocol=1, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, method_id=5, P1=59, P2=0, P3=0, P4=0, P5=0, P6=61, P7=29, P8=0, P9=-29, q=4, this_buffer_empty=1, this_expect=9] [L420] COND FALSE !(((((((P6 % 2) != (this_expect % 2)) && (this_buffer_empty == 1)) && ((P6 % 2) != (0 % 2))) && (((P6 % 2) != (0 % 2)) && !(((P6 % 2) != ((0 + 1) % 2)) && ((P6 % 2) != (0 % 2))))) || (((this_buffer_empty != 1) && ((P6 % 2) != (0 % 2))) && (((P6 % 2) != (0 % 2)) && !(((P6 % 2) != ((0 + 1) % 2)) && ((P6 % 2) != (0 % 2))))))) [L424] q = 5 [L426] this_expect=(this_expect + 1) [L426] this_buffer_empty=(1 - this_buffer_empty) VAL [m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_Protocol=1, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, method_id=5, P1=59, P2=0, P3=0, P4=0, P5=0, P6=61, P7=29, P8=0, P9=-29, q=5, this_buffer_empty=0, this_expect=10] [L26] COND TRUE 1 [L29] int P1=__VERIFIER_nondet_int(); [L30] int P2=__VERIFIER_nondet_int(); [L31] int P3=__VERIFIER_nondet_int(); [L32] int P4=__VERIFIER_nondet_int(); [L33] int P5=__VERIFIER_nondet_int(); [L34] int P6=__VERIFIER_nondet_int(); [L35] int P7=__VERIFIER_nondet_int(); [L36] int P8=__VERIFIER_nondet_int(); [L37] int P9=__VERIFIER_nondet_int(); [L40] COND FALSE !(this_expect > 16) VAL [m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_Protocol=1, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, method_id=5, P1=1, P2=0, P3=0, P4=0, P5=0, P6=30, P7=-30, P8=0, P9=0, q=5, this_buffer_empty=0, this_expect=10] [L45] COND FALSE !(q == 0) VAL [m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_Protocol=1, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, method_id=5, P1=1, P2=0, P3=0, P4=0, P5=0, P6=30, P7=-30, P8=0, P9=0, q=5, this_buffer_empty=0, this_expect=10] [L65] COND FALSE !(q == 1) VAL [m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_Protocol=1, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, method_id=5, P1=1, P2=0, P3=0, P4=0, P5=0, P6=30, P7=-30, P8=0, P9=0, q=5, this_buffer_empty=0, this_expect=10] [L165] COND FALSE !(q == 2) VAL [m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_Protocol=1, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, method_id=5, P1=1, P2=0, P3=0, P4=0, P5=0, P6=30, P7=-30, P8=0, P9=0, q=5, this_buffer_empty=0, this_expect=10] [L265] COND FALSE !(q == 3) VAL [m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_Protocol=1, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, method_id=5, P1=1, P2=0, P3=0, P4=0, P5=0, P6=30, P7=-30, P8=0, P9=0, q=5, this_buffer_empty=0, this_expect=10] [L365] COND FALSE !(q == 4) VAL [m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_Protocol=1, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, method_id=5, P1=1, P2=0, P3=0, P4=0, P5=0, P6=30, P7=-30, P8=0, P9=0, q=5, this_buffer_empty=0, this_expect=10] [L465] COND TRUE q == 5 [L466] COND FALSE !(__VERIFIER_nondet_int()) [L482] COND FALSE !(__VERIFIER_nondet_int()) [L498] COND FALSE !(__VERIFIER_nondet_int()) [L514] COND FALSE !(__VERIFIER_nondet_int()) [L530] COND FALSE !(__VERIFIER_nondet_int()) [L546] COND TRUE __VERIFIER_nondet_int() [L548] COND TRUE ((P1 != (((0 + 1) - 1) % 2)) && !((P1 != ((((0 + 1) + 1) - 1) % 2)) && (P1 != (((0 + 1) - 1) % 2)))) [L550] method_id = 7 VAL [m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_Protocol=1, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, method_id=7, P1=1, P2=0, P3=0, P4=0, P5=0, P6=30, P7=-30, P8=0, P9=0, q=5, this_buffer_empty=0, this_expect=10] [L552] COND FALSE !(((((this_buffer_empty == 1) && (P9 != (((0 + 1) - 1) % 2))) && ((P9 != (((0 + 1) - 1) % 2)) && !((P9 != ((((0 + 1) + 1) - 1) % 2)) && (P9 != (((0 + 1) - 1) % 2))))) || ((((P9 != ((this_expect - 1) % 2)) && (this_buffer_empty != 1)) && (P9 != (((0 + 1) - 1) % 2))) && ((P9 != (((0 + 1) - 1) % 2)) && !((P9 != ((((0 + 1) + 1) - 1) % 2)) && (P9 != (((0 + 1) - 1) % 2))))))) [L556] q = 1 [L558] this_expect=this_expect [L558] this_buffer_empty=(1 - this_buffer_empty) VAL [m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_Protocol=1, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, method_id=7, P1=1, P2=0, P3=0, P4=0, P5=0, P6=30, P7=-30, P8=0, P9=0, q=1, this_buffer_empty=1, this_expect=10] [L26] COND TRUE 1 [L29] int P1=__VERIFIER_nondet_int(); [L30] int P2=__VERIFIER_nondet_int(); [L31] int P3=__VERIFIER_nondet_int(); [L32] int P4=__VERIFIER_nondet_int(); [L33] int P5=__VERIFIER_nondet_int(); [L34] int P6=__VERIFIER_nondet_int(); [L35] int P7=__VERIFIER_nondet_int(); [L36] int P8=__VERIFIER_nondet_int(); [L37] int P9=__VERIFIER_nondet_int(); [L40] COND FALSE !(this_expect > 16) VAL [m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_Protocol=1, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, method_id=7, P1=-56, P2=0, P3=0, P4=0, P5=0, P6=31, P7=-31, P8=0, P9=32, q=1, this_buffer_empty=1, this_expect=10] [L45] COND FALSE !(q == 0) VAL [m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_Protocol=1, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, method_id=7, P1=-56, P2=0, P3=0, P4=0, P5=0, P6=31, P7=-31, P8=0, P9=32, q=1, this_buffer_empty=1, this_expect=10] [L65] COND TRUE q == 1 [L66] COND TRUE __VERIFIER_nondet_int() [L68] COND TRUE !((P1 % 2) != (0 % 2)) [L70] method_id = 2 VAL [m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_Protocol=1, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, method_id=2, P1=-56, P2=0, P3=0, P4=0, P5=0, P6=31, P7=-31, P8=0, P9=32, q=1, this_buffer_empty=1, this_expect=10] [L72] COND FALSE !((((((P1 % 2) != (this_expect % 2)) && (this_buffer_empty == 1)) && !((P1 % 2) != (0 % 2))) || ((this_buffer_empty != 1) && !((P1 % 2) != (0 % 2))))) [L76] q = 3 [L78] this_expect=(this_expect + 1) [L78] this_buffer_empty=(1 - this_buffer_empty) VAL [m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_Protocol=1, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, method_id=2, P1=-56, P2=0, P3=0, P4=0, P5=0, P6=31, P7=-31, P8=0, P9=32, q=3, this_buffer_empty=0, this_expect=11] [L26] COND TRUE 1 [L29] int P1=__VERIFIER_nondet_int(); [L30] int P2=__VERIFIER_nondet_int(); [L31] int P3=__VERIFIER_nondet_int(); [L32] int P4=__VERIFIER_nondet_int(); [L33] int P5=__VERIFIER_nondet_int(); [L34] int P6=__VERIFIER_nondet_int(); [L35] int P7=__VERIFIER_nondet_int(); [L36] int P8=__VERIFIER_nondet_int(); [L37] int P9=__VERIFIER_nondet_int(); [L40] COND FALSE !(this_expect > 16) VAL [m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_Protocol=1, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, method_id=2, P1=0, P2=0, P3=-1, P4=0, P5=0, P6=-32, P7=33, P8=0, P9=-33, q=3, this_buffer_empty=0, this_expect=11] [L45] COND FALSE !(q == 0) VAL [m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_Protocol=1, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, method_id=2, P1=0, P2=0, P3=-1, P4=0, P5=0, P6=-32, P7=33, P8=0, P9=-33, q=3, this_buffer_empty=0, this_expect=11] [L65] COND FALSE !(q == 1) VAL [m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_Protocol=1, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, method_id=2, P1=0, P2=0, P3=-1, P4=0, P5=0, P6=-32, P7=33, P8=0, P9=-33, q=3, this_buffer_empty=0, this_expect=11] [L165] COND FALSE !(q == 2) VAL [m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_Protocol=1, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, method_id=2, P1=0, P2=0, P3=-1, P4=0, P5=0, P6=-32, P7=33, P8=0, P9=-33, q=3, this_buffer_empty=0, this_expect=11] [L265] COND TRUE q == 3 [L266] COND FALSE !(__VERIFIER_nondet_int()) [L282] COND TRUE __VERIFIER_nondet_int() [L284] COND TRUE !(P1 != (((0 + 1) - 1) % 2)) [L286] method_id = 3 VAL [m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_Protocol=1, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, method_id=3, P1=0, P2=0, P3=-1, P4=0, P5=0, P6=-32, P7=33, P8=0, P9=-33, q=3, this_buffer_empty=0, this_expect=11] [L288] COND FALSE !((((this_buffer_empty == 1) && !(P3 != (((0 + 1) - 1) % 2))) || (((P3 != ((this_expect - 1) % 2)) && (this_buffer_empty != 1)) && !(P3 != (((0 + 1) - 1) % 2))))) [L292] q = 4 [L294] this_expect=this_expect [L294] this_buffer_empty=(1 - this_buffer_empty) VAL [m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_Protocol=1, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, method_id=3, P1=0, P2=0, P3=-1, P4=0, P5=0, P6=-32, P7=33, P8=0, P9=-33, q=4, this_buffer_empty=1, this_expect=11] [L26] COND TRUE 1 [L29] int P1=__VERIFIER_nondet_int(); [L30] int P2=__VERIFIER_nondet_int(); [L31] int P3=__VERIFIER_nondet_int(); [L32] int P4=__VERIFIER_nondet_int(); [L33] int P5=__VERIFIER_nondet_int(); [L34] int P6=__VERIFIER_nondet_int(); [L35] int P7=__VERIFIER_nondet_int(); [L36] int P8=__VERIFIER_nondet_int(); [L37] int P9=__VERIFIER_nondet_int(); [L40] COND FALSE !(this_expect > 16) VAL [m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_Protocol=1, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, method_id=3, P1=63, P2=0, P3=0, P4=0, P5=0, P6=-36, P7=34, P8=0, P9=-34, q=4, this_buffer_empty=1, this_expect=11] [L45] COND FALSE !(q == 0) VAL [m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_Protocol=1, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, method_id=3, P1=63, P2=0, P3=0, P4=0, P5=0, P6=-36, P7=34, P8=0, P9=-34, q=4, this_buffer_empty=1, this_expect=11] [L65] COND FALSE !(q == 1) VAL [m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_Protocol=1, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, method_id=3, P1=63, P2=0, P3=0, P4=0, P5=0, P6=-36, P7=34, P8=0, P9=-34, q=4, this_buffer_empty=1, this_expect=11] [L165] COND FALSE !(q == 2) VAL [m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_Protocol=1, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, method_id=3, P1=63, P2=0, P3=0, P4=0, P5=0, P6=-36, P7=34, P8=0, P9=-34, q=4, this_buffer_empty=1, this_expect=11] [L265] COND FALSE !(q == 3) VAL [m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_Protocol=1, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, method_id=3, P1=63, P2=0, P3=0, P4=0, P5=0, P6=-36, P7=34, P8=0, P9=-34, q=4, this_buffer_empty=1, this_expect=11] [L365] COND TRUE q == 4 [L366] COND FALSE !(__VERIFIER_nondet_int()) [L382] COND FALSE !(__VERIFIER_nondet_int()) [L398] COND FALSE !(__VERIFIER_nondet_int()) [L414] COND TRUE __VERIFIER_nondet_int() [L416] COND TRUE (((P1 % 2) != (0 % 2)) && !(((P1 % 2) != ((0 + 1) % 2)) && ((P1 % 2) != (0 % 2)))) [L418] method_id = 5 VAL [m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_Protocol=1, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, method_id=5, P1=63, P2=0, P3=0, P4=0, P5=0, P6=-36, P7=34, P8=0, P9=-34, q=4, this_buffer_empty=1, this_expect=11] [L420] COND FALSE !(((((((P6 % 2) != (this_expect % 2)) && (this_buffer_empty == 1)) && ((P6 % 2) != (0 % 2))) && (((P6 % 2) != (0 % 2)) && !(((P6 % 2) != ((0 + 1) % 2)) && ((P6 % 2) != (0 % 2))))) || (((this_buffer_empty != 1) && ((P6 % 2) != (0 % 2))) && (((P6 % 2) != (0 % 2)) && !(((P6 % 2) != ((0 + 1) % 2)) && ((P6 % 2) != (0 % 2))))))) [L424] q = 5 [L426] this_expect=(this_expect + 1) [L426] this_buffer_empty=(1 - this_buffer_empty) VAL [m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_Protocol=1, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, method_id=5, P1=63, P2=0, P3=0, P4=0, P5=0, P6=-36, P7=34, P8=0, P9=-34, q=5, this_buffer_empty=0, this_expect=12] [L26] COND TRUE 1 [L29] int P1=__VERIFIER_nondet_int(); [L30] int P2=__VERIFIER_nondet_int(); [L31] int P3=__VERIFIER_nondet_int(); [L32] int P4=__VERIFIER_nondet_int(); [L33] int P5=__VERIFIER_nondet_int(); [L34] int P6=__VERIFIER_nondet_int(); [L35] int P7=__VERIFIER_nondet_int(); [L36] int P8=__VERIFIER_nondet_int(); [L37] int P9=__VERIFIER_nondet_int(); [L40] COND FALSE !(this_expect > 16) VAL [m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_Protocol=1, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, method_id=5, P1=1, P2=0, P3=0, P4=0, P5=0, P6=35, P7=-35, P8=0, P9=1, q=5, this_buffer_empty=0, this_expect=12] [L45] COND FALSE !(q == 0) VAL [m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_Protocol=1, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, method_id=5, P1=1, P2=0, P3=0, P4=0, P5=0, P6=35, P7=-35, P8=0, P9=1, q=5, this_buffer_empty=0, this_expect=12] [L65] COND FALSE !(q == 1) VAL [m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_Protocol=1, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, method_id=5, P1=1, P2=0, P3=0, P4=0, P5=0, P6=35, P7=-35, P8=0, P9=1, q=5, this_buffer_empty=0, this_expect=12] [L165] COND FALSE !(q == 2) VAL [m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_Protocol=1, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, method_id=5, P1=1, P2=0, P3=0, P4=0, P5=0, P6=35, P7=-35, P8=0, P9=1, q=5, this_buffer_empty=0, this_expect=12] [L265] COND FALSE !(q == 3) VAL [m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_Protocol=1, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, method_id=5, P1=1, P2=0, P3=0, P4=0, P5=0, P6=35, P7=-35, P8=0, P9=1, q=5, this_buffer_empty=0, this_expect=12] [L365] COND FALSE !(q == 4) VAL [m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_Protocol=1, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, method_id=5, P1=1, P2=0, P3=0, P4=0, P5=0, P6=35, P7=-35, P8=0, P9=1, q=5, this_buffer_empty=0, this_expect=12] [L465] COND TRUE q == 5 [L466] COND FALSE !(__VERIFIER_nondet_int()) [L482] COND FALSE !(__VERIFIER_nondet_int()) [L498] COND FALSE !(__VERIFIER_nondet_int()) [L514] COND FALSE !(__VERIFIER_nondet_int()) [L530] COND FALSE !(__VERIFIER_nondet_int()) [L546] COND TRUE __VERIFIER_nondet_int() [L548] COND TRUE ((P1 != (((0 + 1) - 1) % 2)) && !((P1 != ((((0 + 1) + 1) - 1) % 2)) && (P1 != (((0 + 1) - 1) % 2)))) [L550] method_id = 7 VAL [m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_Protocol=1, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, method_id=7, P1=1, P2=0, P3=0, P4=0, P5=0, P6=35, P7=-35, P8=0, P9=1, q=5, this_buffer_empty=0, this_expect=12] [L552] COND FALSE !(((((this_buffer_empty == 1) && (P9 != (((0 + 1) - 1) % 2))) && ((P9 != (((0 + 1) - 1) % 2)) && !((P9 != ((((0 + 1) + 1) - 1) % 2)) && (P9 != (((0 + 1) - 1) % 2))))) || ((((P9 != ((this_expect - 1) % 2)) && (this_buffer_empty != 1)) && (P9 != (((0 + 1) - 1) % 2))) && ((P9 != (((0 + 1) - 1) % 2)) && !((P9 != ((((0 + 1) + 1) - 1) % 2)) && (P9 != (((0 + 1) - 1) % 2))))))) [L556] q = 1 [L558] this_expect=this_expect [L558] this_buffer_empty=(1 - this_buffer_empty) VAL [m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_Protocol=1, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, method_id=7, P1=1, P2=0, P3=0, P4=0, P5=0, P6=35, P7=-35, P8=0, P9=1, q=1, this_buffer_empty=1, this_expect=12] [L26] COND TRUE 1 [L29] int P1=__VERIFIER_nondet_int(); [L30] int P2=__VERIFIER_nondet_int(); [L31] int P3=__VERIFIER_nondet_int(); [L32] int P4=__VERIFIER_nondet_int(); [L33] int P5=__VERIFIER_nondet_int(); [L34] int P6=__VERIFIER_nondet_int(); [L35] int P7=__VERIFIER_nondet_int(); [L36] int P8=__VERIFIER_nondet_int(); [L37] int P9=__VERIFIER_nondet_int(); [L40] COND FALSE !(this_expect > 16) VAL [m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_Protocol=1, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, method_id=7, P1=-58, P2=0, P3=0, P4=0, P5=0, P6=36, P7=37, P8=0, P9=-37, q=1, this_buffer_empty=1, this_expect=12] [L45] COND FALSE !(q == 0) VAL [m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_Protocol=1, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, method_id=7, P1=-58, P2=0, P3=0, P4=0, P5=0, P6=36, P7=37, P8=0, P9=-37, q=1, this_buffer_empty=1, this_expect=12] [L65] COND TRUE q == 1 [L66] COND TRUE __VERIFIER_nondet_int() [L68] COND TRUE !((P1 % 2) != (0 % 2)) [L70] method_id = 2 VAL [m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_Protocol=1, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, method_id=2, P1=-58, P2=0, P3=0, P4=0, P5=0, P6=36, P7=37, P8=0, P9=-37, q=1, this_buffer_empty=1, this_expect=12] [L72] COND FALSE !((((((P1 % 2) != (this_expect % 2)) && (this_buffer_empty == 1)) && !((P1 % 2) != (0 % 2))) || ((this_buffer_empty != 1) && !((P1 % 2) != (0 % 2))))) [L76] q = 3 [L78] this_expect=(this_expect + 1) [L78] this_buffer_empty=(1 - this_buffer_empty) VAL [m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_Protocol=1, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, method_id=2, P1=-58, P2=0, P3=0, P4=0, P5=0, P6=36, P7=37, P8=0, P9=-37, q=3, this_buffer_empty=0, this_expect=13] [L26] COND TRUE 1 [L29] int P1=__VERIFIER_nondet_int(); [L30] int P2=__VERIFIER_nondet_int(); [L31] int P3=__VERIFIER_nondet_int(); [L32] int P4=__VERIFIER_nondet_int(); [L33] int P5=__VERIFIER_nondet_int(); [L34] int P6=__VERIFIER_nondet_int(); [L35] int P7=__VERIFIER_nondet_int(); [L36] int P8=__VERIFIER_nondet_int(); [L37] int P9=__VERIFIER_nondet_int(); [L40] COND FALSE !(this_expect > 16) VAL [m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_Protocol=1, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, method_id=2, P1=0, P2=0, P3=0, P4=0, P5=0, P6=38, P7=-38, P8=0, P9=39, q=3, this_buffer_empty=0, this_expect=13] [L45] COND FALSE !(q == 0) VAL [m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_Protocol=1, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, method_id=2, P1=0, P2=0, P3=0, P4=0, P5=0, P6=38, P7=-38, P8=0, P9=39, q=3, this_buffer_empty=0, this_expect=13] [L65] COND FALSE !(q == 1) VAL [m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_Protocol=1, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, method_id=2, P1=0, P2=0, P3=0, P4=0, P5=0, P6=38, P7=-38, P8=0, P9=39, q=3, this_buffer_empty=0, this_expect=13] [L165] COND FALSE !(q == 2) VAL [m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_Protocol=1, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, method_id=2, P1=0, P2=0, P3=0, P4=0, P5=0, P6=38, P7=-38, P8=0, P9=39, q=3, this_buffer_empty=0, this_expect=13] [L265] COND TRUE q == 3 [L266] COND FALSE !(__VERIFIER_nondet_int()) [L282] COND TRUE __VERIFIER_nondet_int() [L284] COND TRUE !(P1 != (((0 + 1) - 1) % 2)) [L286] method_id = 3 VAL [m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_Protocol=1, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, method_id=3, P1=0, P2=0, P3=0, P4=0, P5=0, P6=38, P7=-38, P8=0, P9=39, q=3, this_buffer_empty=0, this_expect=13] [L288] COND FALSE !((((this_buffer_empty == 1) && !(P3 != (((0 + 1) - 1) % 2))) || (((P3 != ((this_expect - 1) % 2)) && (this_buffer_empty != 1)) && !(P3 != (((0 + 1) - 1) % 2))))) [L292] q = 4 [L294] this_expect=this_expect [L294] this_buffer_empty=(1 - this_buffer_empty) VAL [m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_Protocol=1, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, method_id=3, P1=0, P2=0, P3=0, P4=0, P5=0, P6=38, P7=-38, P8=0, P9=39, q=4, this_buffer_empty=1, this_expect=13] [L26] COND TRUE 1 [L29] int P1=__VERIFIER_nondet_int(); [L30] int P2=__VERIFIER_nondet_int(); [L31] int P3=__VERIFIER_nondet_int(); [L32] int P4=__VERIFIER_nondet_int(); [L33] int P5=__VERIFIER_nondet_int(); [L34] int P6=__VERIFIER_nondet_int(); [L35] int P7=__VERIFIER_nondet_int(); [L36] int P8=__VERIFIER_nondet_int(); [L37] int P9=__VERIFIER_nondet_int(); [L40] COND FALSE !(this_expect > 16) VAL [m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_Protocol=1, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, method_id=3, P1=65, P2=0, P3=0, P4=0, P5=0, P6=77, P7=-39, P8=0, P9=40, q=4, this_buffer_empty=1, this_expect=13] [L45] COND FALSE !(q == 0) VAL [m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_Protocol=1, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, method_id=3, P1=65, P2=0, P3=0, P4=0, P5=0, P6=77, P7=-39, P8=0, P9=40, q=4, this_buffer_empty=1, this_expect=13] [L65] COND FALSE !(q == 1) VAL [m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_Protocol=1, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, method_id=3, P1=65, P2=0, P3=0, P4=0, P5=0, P6=77, P7=-39, P8=0, P9=40, q=4, this_buffer_empty=1, this_expect=13] [L165] COND FALSE !(q == 2) VAL [m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_Protocol=1, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, method_id=3, P1=65, P2=0, P3=0, P4=0, P5=0, P6=77, P7=-39, P8=0, P9=40, q=4, this_buffer_empty=1, this_expect=13] [L265] COND FALSE !(q == 3) VAL [m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_Protocol=1, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, method_id=3, P1=65, P2=0, P3=0, P4=0, P5=0, P6=77, P7=-39, P8=0, P9=40, q=4, this_buffer_empty=1, this_expect=13] [L365] COND TRUE q == 4 [L366] COND FALSE !(__VERIFIER_nondet_int()) [L382] COND FALSE !(__VERIFIER_nondet_int()) [L398] COND FALSE !(__VERIFIER_nondet_int()) [L414] COND TRUE __VERIFIER_nondet_int() [L416] COND TRUE (((P1 % 2) != (0 % 2)) && !(((P1 % 2) != ((0 + 1) % 2)) && ((P1 % 2) != (0 % 2)))) [L418] method_id = 5 VAL [m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_Protocol=1, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, method_id=5, P1=65, P2=0, P3=0, P4=0, P5=0, P6=77, P7=-39, P8=0, P9=40, q=4, this_buffer_empty=1, this_expect=13] [L420] COND FALSE !(((((((P6 % 2) != (this_expect % 2)) && (this_buffer_empty == 1)) && ((P6 % 2) != (0 % 2))) && (((P6 % 2) != (0 % 2)) && !(((P6 % 2) != ((0 + 1) % 2)) && ((P6 % 2) != (0 % 2))))) || (((this_buffer_empty != 1) && ((P6 % 2) != (0 % 2))) && (((P6 % 2) != (0 % 2)) && !(((P6 % 2) != ((0 + 1) % 2)) && ((P6 % 2) != (0 % 2))))))) [L424] q = 5 [L426] this_expect=(this_expect + 1) [L426] this_buffer_empty=(1 - this_buffer_empty) VAL [m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_Protocol=1, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, method_id=5, P1=65, P2=0, P3=0, P4=0, P5=0, P6=77, P7=-39, P8=0, P9=40, q=5, this_buffer_empty=0, this_expect=14] [L26] COND TRUE 1 [L29] int P1=__VERIFIER_nondet_int(); [L30] int P2=__VERIFIER_nondet_int(); [L31] int P3=__VERIFIER_nondet_int(); [L32] int P4=__VERIFIER_nondet_int(); [L33] int P5=__VERIFIER_nondet_int(); [L34] int P6=__VERIFIER_nondet_int(); [L35] int P7=__VERIFIER_nondet_int(); [L36] int P8=__VERIFIER_nondet_int(); [L37] int P9=__VERIFIER_nondet_int(); [L40] COND FALSE !(this_expect > 16) VAL [m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_Protocol=1, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, method_id=5, P1=1, P2=0, P3=0, P4=0, P5=0, P6=-40, P7=41, P8=0, P9=50, q=5, this_buffer_empty=0, this_expect=14] [L45] COND FALSE !(q == 0) VAL [m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_Protocol=1, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, method_id=5, P1=1, P2=0, P3=0, P4=0, P5=0, P6=-40, P7=41, P8=0, P9=50, q=5, this_buffer_empty=0, this_expect=14] [L65] COND FALSE !(q == 1) VAL [m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_Protocol=1, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, method_id=5, P1=1, P2=0, P3=0, P4=0, P5=0, P6=-40, P7=41, P8=0, P9=50, q=5, this_buffer_empty=0, this_expect=14] [L165] COND FALSE !(q == 2) VAL [m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_Protocol=1, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, method_id=5, P1=1, P2=0, P3=0, P4=0, P5=0, P6=-40, P7=41, P8=0, P9=50, q=5, this_buffer_empty=0, this_expect=14] [L265] COND FALSE !(q == 3) VAL [m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_Protocol=1, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, method_id=5, P1=1, P2=0, P3=0, P4=0, P5=0, P6=-40, P7=41, P8=0, P9=50, q=5, this_buffer_empty=0, this_expect=14] [L365] COND FALSE !(q == 4) VAL [m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_Protocol=1, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, method_id=5, P1=1, P2=0, P3=0, P4=0, P5=0, P6=-40, P7=41, P8=0, P9=50, q=5, this_buffer_empty=0, this_expect=14] [L465] COND TRUE q == 5 [L466] COND FALSE !(__VERIFIER_nondet_int()) [L482] COND FALSE !(__VERIFIER_nondet_int()) [L498] COND FALSE !(__VERIFIER_nondet_int()) [L514] COND FALSE !(__VERIFIER_nondet_int()) [L530] COND FALSE !(__VERIFIER_nondet_int()) [L546] COND TRUE __VERIFIER_nondet_int() [L548] COND TRUE ((P1 != (((0 + 1) - 1) % 2)) && !((P1 != ((((0 + 1) + 1) - 1) % 2)) && (P1 != (((0 + 1) - 1) % 2)))) [L550] method_id = 7 VAL [m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_Protocol=1, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, method_id=7, P1=1, P2=0, P3=0, P4=0, P5=0, P6=-40, P7=41, P8=0, P9=50, q=5, this_buffer_empty=0, this_expect=14] [L552] COND FALSE !(((((this_buffer_empty == 1) && (P9 != (((0 + 1) - 1) % 2))) && ((P9 != (((0 + 1) - 1) % 2)) && !((P9 != ((((0 + 1) + 1) - 1) % 2)) && (P9 != (((0 + 1) - 1) % 2))))) || ((((P9 != ((this_expect - 1) % 2)) && (this_buffer_empty != 1)) && (P9 != (((0 + 1) - 1) % 2))) && ((P9 != (((0 + 1) - 1) % 2)) && !((P9 != ((((0 + 1) + 1) - 1) % 2)) && (P9 != (((0 + 1) - 1) % 2))))))) [L556] q = 1 [L558] this_expect=this_expect [L558] this_buffer_empty=(1 - this_buffer_empty) VAL [m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_Protocol=1, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, method_id=7, P1=1, P2=0, P3=0, P4=0, P5=0, P6=-40, P7=41, P8=0, P9=50, q=1, this_buffer_empty=1, this_expect=14] [L26] COND TRUE 1 [L29] int P1=__VERIFIER_nondet_int(); [L30] int P2=__VERIFIER_nondet_int(); [L31] int P3=__VERIFIER_nondet_int(); [L32] int P4=__VERIFIER_nondet_int(); [L33] int P5=__VERIFIER_nondet_int(); [L34] int P6=__VERIFIER_nondet_int(); [L35] int P7=__VERIFIER_nondet_int(); [L36] int P8=__VERIFIER_nondet_int(); [L37] int P9=__VERIFIER_nondet_int(); [L40] COND FALSE !(this_expect > 16) VAL [m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_Protocol=1, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, method_id=7, P1=60, P2=0, P3=0, P4=0, P5=0, P6=-41, P7=42, P8=0, P9=-42, q=1, this_buffer_empty=1, this_expect=14] [L45] COND FALSE !(q == 0) VAL [m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_Protocol=1, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, method_id=7, P1=60, P2=0, P3=0, P4=0, P5=0, P6=-41, P7=42, P8=0, P9=-42, q=1, this_buffer_empty=1, this_expect=14] [L65] COND TRUE q == 1 [L66] COND TRUE __VERIFIER_nondet_int() [L68] COND TRUE !((P1 % 2) != (0 % 2)) [L70] method_id = 2 VAL [m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_Protocol=1, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, method_id=2, P1=60, P2=0, P3=0, P4=0, P5=0, P6=-41, P7=42, P8=0, P9=-42, q=1, this_buffer_empty=1, this_expect=14] [L72] COND FALSE !((((((P1 % 2) != (this_expect % 2)) && (this_buffer_empty == 1)) && !((P1 % 2) != (0 % 2))) || ((this_buffer_empty != 1) && !((P1 % 2) != (0 % 2))))) [L76] q = 3 [L78] this_expect=(this_expect + 1) [L78] this_buffer_empty=(1 - this_buffer_empty) VAL [m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_Protocol=1, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, method_id=2, P1=60, P2=0, P3=0, P4=0, P5=0, P6=-41, P7=42, P8=0, P9=-42, q=3, this_buffer_empty=0, this_expect=15] [L26] COND TRUE 1 [L29] int P1=__VERIFIER_nondet_int(); [L30] int P2=__VERIFIER_nondet_int(); [L31] int P3=__VERIFIER_nondet_int(); [L32] int P4=__VERIFIER_nondet_int(); [L33] int P5=__VERIFIER_nondet_int(); [L34] int P6=__VERIFIER_nondet_int(); [L35] int P7=__VERIFIER_nondet_int(); [L36] int P8=__VERIFIER_nondet_int(); [L37] int P9=__VERIFIER_nondet_int(); [L40] COND FALSE !(this_expect > 16) VAL [m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_Protocol=1, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, method_id=2, P1=0, P2=0, P3=0, P4=0, P5=0, P6=43, P7=-43, P8=0, P9=44, q=3, this_buffer_empty=0, this_expect=15] [L45] COND FALSE !(q == 0) VAL [m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_Protocol=1, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, method_id=2, P1=0, P2=0, P3=0, P4=0, P5=0, P6=43, P7=-43, P8=0, P9=44, q=3, this_buffer_empty=0, this_expect=15] [L65] COND FALSE !(q == 1) VAL [m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_Protocol=1, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, method_id=2, P1=0, P2=0, P3=0, P4=0, P5=0, P6=43, P7=-43, P8=0, P9=44, q=3, this_buffer_empty=0, this_expect=15] [L165] COND FALSE !(q == 2) VAL [m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_Protocol=1, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, method_id=2, P1=0, P2=0, P3=0, P4=0, P5=0, P6=43, P7=-43, P8=0, P9=44, q=3, this_buffer_empty=0, this_expect=15] [L265] COND TRUE q == 3 [L266] COND FALSE !(__VERIFIER_nondet_int()) [L282] COND TRUE __VERIFIER_nondet_int() [L284] COND TRUE !(P1 != (((0 + 1) - 1) % 2)) [L286] method_id = 3 VAL [m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_Protocol=1, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, method_id=3, P1=0, P2=0, P3=0, P4=0, P5=0, P6=43, P7=-43, P8=0, P9=44, q=3, this_buffer_empty=0, this_expect=15] [L288] COND FALSE !((((this_buffer_empty == 1) && !(P3 != (((0 + 1) - 1) % 2))) || (((P3 != ((this_expect - 1) % 2)) && (this_buffer_empty != 1)) && !(P3 != (((0 + 1) - 1) % 2))))) [L292] q = 4 [L294] this_expect=this_expect [L294] this_buffer_empty=(1 - this_buffer_empty) VAL [m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_Protocol=1, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, method_id=3, P1=0, P2=0, P3=0, P4=0, P5=0, P6=43, P7=-43, P8=0, P9=44, q=4, this_buffer_empty=1, this_expect=15] [L26] COND TRUE 1 [L29] int P1=__VERIFIER_nondet_int(); [L30] int P2=__VERIFIER_nondet_int(); [L31] int P3=__VERIFIER_nondet_int(); [L32] int P4=__VERIFIER_nondet_int(); [L33] int P5=__VERIFIER_nondet_int(); [L34] int P6=__VERIFIER_nondet_int(); [L35] int P7=__VERIFIER_nondet_int(); [L36] int P8=__VERIFIER_nondet_int(); [L37] int P9=__VERIFIER_nondet_int(); [L40] COND FALSE !(this_expect > 16) VAL [m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_Protocol=1, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, method_id=3, P1=67, P2=0, P3=0, P4=0, P5=0, P6=79, P7=-44, P8=0, P9=45, q=4, this_buffer_empty=1, this_expect=15] [L45] COND FALSE !(q == 0) VAL [m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_Protocol=1, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, method_id=3, P1=67, P2=0, P3=0, P4=0, P5=0, P6=79, P7=-44, P8=0, P9=45, q=4, this_buffer_empty=1, this_expect=15] [L65] COND FALSE !(q == 1) VAL [m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_Protocol=1, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, method_id=3, P1=67, P2=0, P3=0, P4=0, P5=0, P6=79, P7=-44, P8=0, P9=45, q=4, this_buffer_empty=1, this_expect=15] [L165] COND FALSE !(q == 2) VAL [m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_Protocol=1, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, method_id=3, P1=67, P2=0, P3=0, P4=0, P5=0, P6=79, P7=-44, P8=0, P9=45, q=4, this_buffer_empty=1, this_expect=15] [L265] COND FALSE !(q == 3) VAL [m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_Protocol=1, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, method_id=3, P1=67, P2=0, P3=0, P4=0, P5=0, P6=79, P7=-44, P8=0, P9=45, q=4, this_buffer_empty=1, this_expect=15] [L365] COND TRUE q == 4 [L366] COND FALSE !(__VERIFIER_nondet_int()) [L382] COND FALSE !(__VERIFIER_nondet_int()) [L398] COND FALSE !(__VERIFIER_nondet_int()) [L414] COND TRUE __VERIFIER_nondet_int() [L416] COND TRUE (((P1 % 2) != (0 % 2)) && !(((P1 % 2) != ((0 + 1) % 2)) && ((P1 % 2) != (0 % 2)))) [L418] method_id = 5 VAL [m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_Protocol=1, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, method_id=5, P1=67, P2=0, P3=0, P4=0, P5=0, P6=79, P7=-44, P8=0, P9=45, q=4, this_buffer_empty=1, this_expect=15] [L420] COND FALSE !(((((((P6 % 2) != (this_expect % 2)) && (this_buffer_empty == 1)) && ((P6 % 2) != (0 % 2))) && (((P6 % 2) != (0 % 2)) && !(((P6 % 2) != ((0 + 1) % 2)) && ((P6 % 2) != (0 % 2))))) || (((this_buffer_empty != 1) && ((P6 % 2) != (0 % 2))) && (((P6 % 2) != (0 % 2)) && !(((P6 % 2) != ((0 + 1) % 2)) && ((P6 % 2) != (0 % 2))))))) [L424] q = 5 [L426] this_expect=(this_expect + 1) [L426] this_buffer_empty=(1 - this_buffer_empty) VAL [m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_Protocol=1, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, method_id=5, P1=67, P2=0, P3=0, P4=0, P5=0, P6=79, P7=-44, P8=0, P9=45, q=5, this_buffer_empty=0, this_expect=16] [L26] COND TRUE 1 [L29] int P1=__VERIFIER_nondet_int(); [L30] int P2=__VERIFIER_nondet_int(); [L31] int P3=__VERIFIER_nondet_int(); [L32] int P4=__VERIFIER_nondet_int(); [L33] int P5=__VERIFIER_nondet_int(); [L34] int P6=__VERIFIER_nondet_int(); [L35] int P7=__VERIFIER_nondet_int(); [L36] int P8=__VERIFIER_nondet_int(); [L37] int P9=__VERIFIER_nondet_int(); [L40] COND FALSE !(this_expect > 16) VAL [m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_Protocol=1, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, method_id=5, P1=1, P2=0, P3=0, P4=0, P5=0, P6=-45, P7=46, P8=0, P9=52, q=5, this_buffer_empty=0, this_expect=16] [L45] COND FALSE !(q == 0) VAL [m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_Protocol=1, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, method_id=5, P1=1, P2=0, P3=0, P4=0, P5=0, P6=-45, P7=46, P8=0, P9=52, q=5, this_buffer_empty=0, this_expect=16] [L65] COND FALSE !(q == 1) VAL [m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_Protocol=1, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, method_id=5, P1=1, P2=0, P3=0, P4=0, P5=0, P6=-45, P7=46, P8=0, P9=52, q=5, this_buffer_empty=0, this_expect=16] [L165] COND FALSE !(q == 2) VAL [m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_Protocol=1, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, method_id=5, P1=1, P2=0, P3=0, P4=0, P5=0, P6=-45, P7=46, P8=0, P9=52, q=5, this_buffer_empty=0, this_expect=16] [L265] COND FALSE !(q == 3) VAL [m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_Protocol=1, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, method_id=5, P1=1, P2=0, P3=0, P4=0, P5=0, P6=-45, P7=46, P8=0, P9=52, q=5, this_buffer_empty=0, this_expect=16] [L365] COND FALSE !(q == 4) VAL [m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_Protocol=1, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, method_id=5, P1=1, P2=0, P3=0, P4=0, P5=0, P6=-45, P7=46, P8=0, P9=52, q=5, this_buffer_empty=0, this_expect=16] [L465] COND TRUE q == 5 [L466] COND FALSE !(__VERIFIER_nondet_int()) [L482] COND FALSE !(__VERIFIER_nondet_int()) [L498] COND FALSE !(__VERIFIER_nondet_int()) [L514] COND FALSE !(__VERIFIER_nondet_int()) [L530] COND FALSE !(__VERIFIER_nondet_int()) [L546] COND TRUE __VERIFIER_nondet_int() [L548] COND TRUE ((P1 != (((0 + 1) - 1) % 2)) && !((P1 != ((((0 + 1) + 1) - 1) % 2)) && (P1 != (((0 + 1) - 1) % 2)))) [L550] method_id = 7 VAL [m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_Protocol=1, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, method_id=7, P1=1, P2=0, P3=0, P4=0, P5=0, P6=-45, P7=46, P8=0, P9=52, q=5, this_buffer_empty=0, this_expect=16] [L552] COND FALSE !(((((this_buffer_empty == 1) && (P9 != (((0 + 1) - 1) % 2))) && ((P9 != (((0 + 1) - 1) % 2)) && !((P9 != ((((0 + 1) + 1) - 1) % 2)) && (P9 != (((0 + 1) - 1) % 2))))) || ((((P9 != ((this_expect - 1) % 2)) && (this_buffer_empty != 1)) && (P9 != (((0 + 1) - 1) % 2))) && ((P9 != (((0 + 1) - 1) % 2)) && !((P9 != ((((0 + 1) + 1) - 1) % 2)) && (P9 != (((0 + 1) - 1) % 2))))))) [L556] q = 1 [L558] this_expect=this_expect [L558] this_buffer_empty=(1 - this_buffer_empty) VAL [m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_Protocol=1, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, method_id=7, P1=1, P2=0, P3=0, P4=0, P5=0, P6=-45, P7=46, P8=0, P9=52, q=1, this_buffer_empty=1, this_expect=16] [L26] COND TRUE 1 [L29] int P1=__VERIFIER_nondet_int(); [L30] int P2=__VERIFIER_nondet_int(); [L31] int P3=__VERIFIER_nondet_int(); [L32] int P4=__VERIFIER_nondet_int(); [L33] int P5=__VERIFIER_nondet_int(); [L34] int P6=__VERIFIER_nondet_int(); [L35] int P7=__VERIFIER_nondet_int(); [L36] int P8=__VERIFIER_nondet_int(); [L37] int P9=__VERIFIER_nondet_int(); [L40] COND FALSE !(this_expect > 16) VAL [m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_Protocol=1, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, method_id=7, P1=-2, P2=0, P3=0, P4=0, P5=0, P6=-46, P7=47, P8=0, P9=-47, q=1, this_buffer_empty=1, this_expect=16] [L45] COND FALSE !(q == 0) VAL [m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_Protocol=1, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, method_id=7, P1=-2, P2=0, P3=0, P4=0, P5=0, P6=-46, P7=47, P8=0, P9=-47, q=1, this_buffer_empty=1, this_expect=16] [L65] COND TRUE q == 1 [L66] COND TRUE __VERIFIER_nondet_int() [L68] COND TRUE !((P1 % 2) != (0 % 2)) [L70] method_id = 2 VAL [m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_Protocol=1, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, method_id=2, P1=-2, P2=0, P3=0, P4=0, P5=0, P6=-46, P7=47, P8=0, P9=-47, q=1, this_buffer_empty=1, this_expect=16] [L72] COND FALSE !((((((P1 % 2) != (this_expect % 2)) && (this_buffer_empty == 1)) && !((P1 % 2) != (0 % 2))) || ((this_buffer_empty != 1) && !((P1 % 2) != (0 % 2))))) [L76] q = 3 [L78] this_expect=(this_expect + 1) [L78] this_buffer_empty=(1 - this_buffer_empty) VAL [m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_Protocol=1, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, method_id=2, P1=-2, P2=0, P3=0, P4=0, P5=0, P6=-46, P7=47, P8=0, P9=-47, q=3, this_buffer_empty=0, this_expect=17] [L26] COND TRUE 1 [L29] int P1=__VERIFIER_nondet_int(); [L30] int P2=__VERIFIER_nondet_int(); [L31] int P3=__VERIFIER_nondet_int(); [L32] int P4=__VERIFIER_nondet_int(); [L33] int P5=__VERIFIER_nondet_int(); [L34] int P6=__VERIFIER_nondet_int(); [L35] int P7=__VERIFIER_nondet_int(); [L36] int P8=__VERIFIER_nondet_int(); [L37] int P9=__VERIFIER_nondet_int(); [L40] COND TRUE this_expect > 16 [L41] this_expect = -16 VAL [m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_Protocol=1, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, method_id=2, P1=0, P2=0, P3=0, P4=0, P5=0, P6=-48, P7=49, P8=0, P9=-49, q=3, this_buffer_empty=0, this_expect=-16] [L45] COND FALSE !(q == 0) VAL [m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_Protocol=1, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, method_id=2, P1=0, P2=0, P3=0, P4=0, P5=0, P6=-48, P7=49, P8=0, P9=-49, q=3, this_buffer_empty=0, this_expect=-16] [L65] COND FALSE !(q == 1) VAL [m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_Protocol=1, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, method_id=2, P1=0, P2=0, P3=0, P4=0, P5=0, P6=-48, P7=49, P8=0, P9=-49, q=3, this_buffer_empty=0, this_expect=-16] [L165] COND FALSE !(q == 2) VAL [m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_Protocol=1, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, method_id=2, P1=0, P2=0, P3=0, P4=0, P5=0, P6=-48, P7=49, P8=0, P9=-49, q=3, this_buffer_empty=0, this_expect=-16] [L265] COND TRUE q == 3 [L266] COND FALSE !(__VERIFIER_nondet_int()) [L282] COND TRUE __VERIFIER_nondet_int() [L284] COND TRUE !(P1 != (((0 + 1) - 1) % 2)) [L286] method_id = 3 VAL [m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_Protocol=1, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, method_id=3, P1=0, P2=0, P3=0, P4=0, P5=0, P6=-48, P7=49, P8=0, P9=-49, q=3, this_buffer_empty=0, this_expect=-16] [L288] COND TRUE (((this_buffer_empty == 1) && !(P3 != (((0 + 1) - 1) % 2))) || (((P3 != ((this_expect - 1) % 2)) && (this_buffer_empty != 1)) && !(P3 != (((0 + 1) - 1) % 2)))) VAL [m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_Protocol=1, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, method_id=3, P1=0, P2=0, P3=0, P4=0, P5=0, P6=-48, P7=49, P8=0, P9=-49, q=3, this_buffer_empty=0, this_expect=-16] [L571] reach_error() VAL [m_msg_1_1=4, m_msg_1_2=5, m_msg_2=2, m_Protocol=1, m_recv_ack_1_1=6, m_recv_ack_1_2=7, m_recv_ack_2=3, method_id=3, P1=0, P2=0, P3=0, P4=0, P5=0, P6=-48, P7=49, P8=0, P9=-49, q=3, this_buffer_empty=0, this_expect=-16] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 110 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 43.0s, OverallIterations: 21, TraceHistogramMax: 35, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 19.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 7787 SdHoareTripleChecker+Valid, 2.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 7787 mSDsluCounter, 14568 SdHoareTripleChecker+Invalid, 2.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 10921 mSDsCounter, 595 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2419 IncrementalHoareTripleChecker+Invalid, 3014 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 595 mSolverCounterUnsat, 3647 mSDtfsCounter, 2419 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1985 GetRequests, 1838 SyntacticMatches, 21 SemanticMatches, 126 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 253 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1486occurred in iteration=20, InterpolantAutomatonStates: 148, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 2.2s AutomataMinimizationTime, 20 MinimizatonAttempts, 266 StatesRemovedByMinimization, 18 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 1.7s SatisfiabilityAnalysisTime, 13.2s InterpolantComputationTime, 2525 NumberOfCodeBlocks, 2525 NumberOfCodeBlocksAsserted, 34 NumberOfCheckSat, 2993 ConstructedInterpolants, 0 QuantifiedInterpolants, 15337 SizeOfPredicates, 27 NumberOfNonLiveVariables, 6082 ConjunctsInSsa, 164 ConjunctsInUnsatCore, 43 InterpolantComputations, 9 PerfectInterpolantSequences, 1827/10338 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2022-02-20 16:08:02,792 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE