./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem15_label27.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 35987657 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -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/eca-rers2012/Problem15_label27.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 dc961fc62f24960fbef105f97d1eee66be6194c126d8d078cb5da412dc4c48ac --- Real Ultimate output --- This is Ultimate 0.2.2-?-3598765 [2022-07-21 00:04:17,054 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-21 00:04:17,056 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-21 00:04:17,096 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-21 00:04:17,096 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-21 00:04:17,097 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-21 00:04:17,101 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-21 00:04:17,103 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-21 00:04:17,105 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-21 00:04:17,109 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-21 00:04:17,110 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-21 00:04:17,112 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-21 00:04:17,112 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-21 00:04:17,114 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-21 00:04:17,115 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-21 00:04:17,120 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-21 00:04:17,121 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-21 00:04:17,122 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-21 00:04:17,124 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-21 00:04:17,129 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-21 00:04:17,130 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-21 00:04:17,131 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-21 00:04:17,133 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-21 00:04:17,133 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-21 00:04:17,135 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-21 00:04:17,141 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-21 00:04:17,141 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-21 00:04:17,142 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-21 00:04:17,142 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-21 00:04:17,143 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-21 00:04:17,143 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-21 00:04:17,144 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-21 00:04:17,146 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-21 00:04:17,146 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-21 00:04:17,147 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-21 00:04:17,148 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-21 00:04:17,148 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-21 00:04:17,149 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-21 00:04:17,149 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-21 00:04:17,149 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-21 00:04:17,150 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-21 00:04:17,151 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-21 00:04:17,159 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-07-21 00:04:17,190 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-21 00:04:17,190 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-21 00:04:17,191 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-21 00:04:17,191 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-21 00:04:17,192 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-21 00:04:17,192 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-21 00:04:17,193 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-21 00:04:17,193 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-21 00:04:17,193 INFO L138 SettingsManager]: * Use SBE=true [2022-07-21 00:04:17,194 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-21 00:04:17,194 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-21 00:04:17,207 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-21 00:04:17,207 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-21 00:04:17,208 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-21 00:04:17,208 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-21 00:04:17,208 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-21 00:04:17,208 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-21 00:04:17,209 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-21 00:04:17,209 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-21 00:04:17,209 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-21 00:04:17,209 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-21 00:04:17,210 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-21 00:04:17,210 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-21 00:04:17,210 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-21 00:04:17,210 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 00:04:17,211 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-21 00:04:17,211 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-21 00:04:17,211 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-21 00:04:17,211 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-21 00:04:17,212 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-21 00:04:17,212 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-21 00:04:17,212 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-21 00:04:17,212 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-21 00:04:17,213 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dc961fc62f24960fbef105f97d1eee66be6194c126d8d078cb5da412dc4c48ac [2022-07-21 00:04:17,550 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-21 00:04:17,572 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-21 00:04:17,575 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-21 00:04:17,576 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-21 00:04:17,577 INFO L275 PluginConnector]: CDTParser initialized [2022-07-21 00:04:17,579 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem15_label27.c [2022-07-21 00:04:17,631 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5ce610f10/58de5cc8a3814553b7a7e859a41cb9b0/FLAG6904f959d [2022-07-21 00:04:18,230 INFO L306 CDTParser]: Found 1 translation units. [2022-07-21 00:04:18,231 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem15_label27.c [2022-07-21 00:04:18,253 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5ce610f10/58de5cc8a3814553b7a7e859a41cb9b0/FLAG6904f959d [2022-07-21 00:04:18,473 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5ce610f10/58de5cc8a3814553b7a7e859a41cb9b0 [2022-07-21 00:04:18,475 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-21 00:04:18,477 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-21 00:04:18,480 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-21 00:04:18,480 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-21 00:04:18,483 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-21 00:04:18,484 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 12:04:18" (1/1) ... [2022-07-21 00:04:18,485 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c8d2db3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:04:18, skipping insertion in model container [2022-07-21 00:04:18,485 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 12:04:18" (1/1) ... [2022-07-21 00:04:18,492 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-21 00:04:18,554 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-21 00:04:18,785 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/eca-rers2012/Problem15_label27.c[4605,4618] [2022-07-21 00:04:19,162 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 00:04:19,168 INFO L203 MainTranslator]: Completed pre-run [2022-07-21 00:04:19,196 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/eca-rers2012/Problem15_label27.c[4605,4618] [2022-07-21 00:04:19,457 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 00:04:19,471 INFO L208 MainTranslator]: Completed translation [2022-07-21 00:04:19,472 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:04:19 WrapperNode [2022-07-21 00:04:19,472 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-21 00:04:19,473 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-21 00:04:19,473 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-21 00:04:19,473 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-21 00:04:19,479 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:04:19" (1/1) ... [2022-07-21 00:04:19,510 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:04:19" (1/1) ... [2022-07-21 00:04:19,719 INFO L137 Inliner]: procedures = 15, calls = 9, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 1758 [2022-07-21 00:04:19,720 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-21 00:04:19,721 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-21 00:04:19,721 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-21 00:04:19,721 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-21 00:04:19,728 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:04:19" (1/1) ... [2022-07-21 00:04:19,728 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:04:19" (1/1) ... [2022-07-21 00:04:19,771 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:04:19" (1/1) ... [2022-07-21 00:04:19,772 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:04:19" (1/1) ... [2022-07-21 00:04:19,885 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:04:19" (1/1) ... [2022-07-21 00:04:19,919 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:04:19" (1/1) ... [2022-07-21 00:04:19,984 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:04:19" (1/1) ... [2022-07-21 00:04:20,020 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-21 00:04:20,022 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-21 00:04:20,023 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-21 00:04:20,023 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-21 00:04:20,025 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:04:19" (1/1) ... [2022-07-21 00:04:20,032 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 00:04:20,057 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 00:04:20,076 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) [2022-07-21 00:04:20,103 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 [2022-07-21 00:04:20,129 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-21 00:04:20,129 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-21 00:04:20,129 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-21 00:04:20,129 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-21 00:04:20,214 INFO L234 CfgBuilder]: Building ICFG [2022-07-21 00:04:20,216 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-21 00:04:22,486 INFO L275 CfgBuilder]: Performing block encoding [2022-07-21 00:04:22,495 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-21 00:04:22,496 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-07-21 00:04:22,498 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 12:04:22 BoogieIcfgContainer [2022-07-21 00:04:22,498 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-21 00:04:22,500 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-21 00:04:22,500 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-21 00:04:22,502 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-21 00:04:22,502 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 12:04:18" (1/3) ... [2022-07-21 00:04:22,503 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a611fa7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 12:04:22, skipping insertion in model container [2022-07-21 00:04:22,503 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:04:19" (2/3) ... [2022-07-21 00:04:22,504 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a611fa7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 12:04:22, skipping insertion in model container [2022-07-21 00:04:22,504 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 12:04:22" (3/3) ... [2022-07-21 00:04:22,505 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem15_label27.c [2022-07-21 00:04:22,517 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-21 00:04:22,517 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-21 00:04:22,582 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-21 00:04:22,587 INFO L357 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, mPorIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@64a5cab8, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@1ac27098 [2022-07-21 00:04:22,587 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-21 00:04:22,596 INFO L276 IsEmpty]: Start isEmpty. Operand has 424 states, 422 states have (on average 1.7772511848341233) internal successors, (750), 423 states have internal predecessors, (750), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:04:22,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-07-21 00:04:22,603 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 00:04:22,604 INFO L195 NwaCegarLoop]: trace histogram [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, 1, 1, 1] [2022-07-21 00:04:22,605 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 00:04:22,610 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 00:04:22,611 INFO L85 PathProgramCache]: Analyzing trace with hash 2088660649, now seen corresponding path program 1 times [2022-07-21 00:04:22,618 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 00:04:22,618 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [695706833] [2022-07-21 00:04:22,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 00:04:22,620 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 00:04:22,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 00:04:22,890 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-21 00:04:22,891 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 00:04:22,891 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [695706833] [2022-07-21 00:04:22,892 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [695706833] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 00:04:22,892 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 00:04:22,893 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-21 00:04:22,894 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1865228840] [2022-07-21 00:04:22,895 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 00:04:22,900 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 00:04:22,901 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 00:04:22,929 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 00:04:22,931 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 00:04:22,934 INFO L87 Difference]: Start difference. First operand has 424 states, 422 states have (on average 1.7772511848341233) internal successors, (750), 423 states have internal predecessors, (750), 0 states have call successors, (0), 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 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 2 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:04:24,933 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 00:04:24,934 INFO L93 Difference]: Finished difference Result 1154 states and 2106 transitions. [2022-07-21 00:04:24,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 00:04:24,936 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 2 states have internal predecessors, (37), 0 states have call successors, (0), 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 [2022-07-21 00:04:24,936 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 00:04:24,952 INFO L225 Difference]: With dead ends: 1154 [2022-07-21 00:04:24,952 INFO L226 Difference]: Without dead ends: 665 [2022-07-21 00:04:24,956 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 00:04:24,959 INFO L413 NwaCegarLoop]: 334 mSDtfsCounter, 284 mSDsluCounter, 49 mSDsCounter, 0 mSdLazyCounter, 976 mSolverCounterSat, 254 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 284 SdHoareTripleChecker+Valid, 383 SdHoareTripleChecker+Invalid, 1230 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 254 IncrementalHoareTripleChecker+Valid, 976 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2022-07-21 00:04:24,960 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [284 Valid, 383 Invalid, 1230 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [254 Valid, 976 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-07-21 00:04:24,977 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 665 states. [2022-07-21 00:04:25,022 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 665 to 663. [2022-07-21 00:04:25,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 663 states, 662 states have (on average 1.4818731117824773) internal successors, (981), 662 states have internal predecessors, (981), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:04:25,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 663 states to 663 states and 981 transitions. [2022-07-21 00:04:25,029 INFO L78 Accepts]: Start accepts. Automaton has 663 states and 981 transitions. Word has length 37 [2022-07-21 00:04:25,029 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 00:04:25,029 INFO L495 AbstractCegarLoop]: Abstraction has 663 states and 981 transitions. [2022-07-21 00:04:25,030 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 2 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:04:25,030 INFO L276 IsEmpty]: Start isEmpty. Operand 663 states and 981 transitions. [2022-07-21 00:04:25,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2022-07-21 00:04:25,032 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 00:04:25,033 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 00:04:25,033 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-21 00:04:25,033 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 00:04:25,034 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 00:04:25,034 INFO L85 PathProgramCache]: Analyzing trace with hash 1560092623, now seen corresponding path program 1 times [2022-07-21 00:04:25,034 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 00:04:25,035 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [819206986] [2022-07-21 00:04:25,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 00:04:25,035 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 00:04:25,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 00:04:25,158 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-21 00:04:25,159 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 00:04:25,159 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [819206986] [2022-07-21 00:04:25,159 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [819206986] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 00:04:25,159 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 00:04:25,160 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-21 00:04:25,160 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2062655372] [2022-07-21 00:04:25,160 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 00:04:25,161 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 00:04:25,161 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 00:04:25,162 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 00:04:25,163 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 00:04:25,163 INFO L87 Difference]: Start difference. First operand 663 states and 981 transitions. Second operand has 3 states, 3 states have (on average 34.0) internal successors, (102), 2 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:04:26,687 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 00:04:26,687 INFO L93 Difference]: Finished difference Result 1624 states and 2315 transitions. [2022-07-21 00:04:26,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 00:04:26,688 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 34.0) internal successors, (102), 2 states have internal predecessors, (102), 0 states have call successors, (0), 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 102 [2022-07-21 00:04:26,688 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 00:04:26,692 INFO L225 Difference]: With dead ends: 1624 [2022-07-21 00:04:26,692 INFO L226 Difference]: Without dead ends: 963 [2022-07-21 00:04:26,698 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 00:04:26,699 INFO L413 NwaCegarLoop]: 299 mSDtfsCounter, 237 mSDsluCounter, 38 mSDsCounter, 0 mSdLazyCounter, 910 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 237 SdHoareTripleChecker+Valid, 337 SdHoareTripleChecker+Invalid, 934 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 910 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-07-21 00:04:26,700 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [237 Valid, 337 Invalid, 934 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 910 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-07-21 00:04:26,701 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 963 states. [2022-07-21 00:04:26,725 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 963 to 963. [2022-07-21 00:04:26,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 963 states, 962 states have (on average 1.362785862785863) internal successors, (1311), 962 states have internal predecessors, (1311), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:04:26,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 963 states to 963 states and 1311 transitions. [2022-07-21 00:04:26,730 INFO L78 Accepts]: Start accepts. Automaton has 963 states and 1311 transitions. Word has length 102 [2022-07-21 00:04:26,730 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 00:04:26,731 INFO L495 AbstractCegarLoop]: Abstraction has 963 states and 1311 transitions. [2022-07-21 00:04:26,731 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 34.0) internal successors, (102), 2 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:04:26,731 INFO L276 IsEmpty]: Start isEmpty. Operand 963 states and 1311 transitions. [2022-07-21 00:04:26,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2022-07-21 00:04:26,734 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 00:04:26,734 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 00:04:26,735 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-21 00:04:26,735 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 00:04:26,735 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 00:04:26,735 INFO L85 PathProgramCache]: Analyzing trace with hash -1622553922, now seen corresponding path program 1 times [2022-07-21 00:04:26,736 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 00:04:26,736 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [250750701] [2022-07-21 00:04:26,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 00:04:26,736 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 00:04:26,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 00:04:26,932 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-21 00:04:26,932 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 00:04:26,932 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [250750701] [2022-07-21 00:04:26,933 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [250750701] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 00:04:26,933 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 00:04:26,933 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-21 00:04:26,933 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [64454247] [2022-07-21 00:04:26,933 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 00:04:26,934 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-21 00:04:26,934 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 00:04:26,934 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-21 00:04:26,934 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-21 00:04:26,935 INFO L87 Difference]: Start difference. First operand 963 states and 1311 transitions. Second operand has 5 states, 5 states have (on average 21.4) internal successors, (107), 4 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:04:29,116 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 00:04:29,116 INFO L93 Difference]: Finished difference Result 2244 states and 3201 transitions. [2022-07-21 00:04:29,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-21 00:04:29,116 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 21.4) internal successors, (107), 4 states have internal predecessors, (107), 0 states have call successors, (0), 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 107 [2022-07-21 00:04:29,117 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 00:04:29,122 INFO L225 Difference]: With dead ends: 2244 [2022-07-21 00:04:29,122 INFO L226 Difference]: Without dead ends: 1582 [2022-07-21 00:04:29,124 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-21 00:04:29,125 INFO L413 NwaCegarLoop]: 268 mSDtfsCounter, 361 mSDsluCounter, 98 mSDsCounter, 0 mSdLazyCounter, 1664 mSolverCounterSat, 482 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 361 SdHoareTripleChecker+Valid, 366 SdHoareTripleChecker+Invalid, 2146 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 482 IncrementalHoareTripleChecker+Valid, 1664 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-07-21 00:04:29,126 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [361 Valid, 366 Invalid, 2146 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [482 Valid, 1664 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2022-07-21 00:04:29,128 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1582 states. [2022-07-21 00:04:29,145 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1582 to 1266. [2022-07-21 00:04:29,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1266 states, 1265 states have (on average 1.3043478260869565) internal successors, (1650), 1265 states have internal predecessors, (1650), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:04:29,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1266 states to 1266 states and 1650 transitions. [2022-07-21 00:04:29,152 INFO L78 Accepts]: Start accepts. Automaton has 1266 states and 1650 transitions. Word has length 107 [2022-07-21 00:04:29,153 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 00:04:29,153 INFO L495 AbstractCegarLoop]: Abstraction has 1266 states and 1650 transitions. [2022-07-21 00:04:29,153 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 21.4) internal successors, (107), 4 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:04:29,154 INFO L276 IsEmpty]: Start isEmpty. Operand 1266 states and 1650 transitions. [2022-07-21 00:04:29,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2022-07-21 00:04:29,159 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 00:04:29,159 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1] [2022-07-21 00:04:29,160 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-21 00:04:29,160 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 00:04:29,160 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 00:04:29,161 INFO L85 PathProgramCache]: Analyzing trace with hash 416877114, now seen corresponding path program 1 times [2022-07-21 00:04:29,161 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 00:04:29,161 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [553732233] [2022-07-21 00:04:29,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 00:04:29,161 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 00:04:29,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 00:04:29,279 INFO L134 CoverageAnalysis]: Checked inductivity of 143 backedges. 143 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-21 00:04:29,279 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 00:04:29,279 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [553732233] [2022-07-21 00:04:29,280 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [553732233] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 00:04:29,280 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 00:04:29,280 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 00:04:29,280 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1166067460] [2022-07-21 00:04:29,280 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 00:04:29,281 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-21 00:04:29,281 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 00:04:29,282 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-21 00:04:29,287 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-07-21 00:04:29,288 INFO L87 Difference]: Start difference. First operand 1266 states and 1650 transitions. Second operand has 4 states, 4 states have (on average 50.75) internal successors, (203), 3 states have internal predecessors, (203), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:04:32,104 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 00:04:32,105 INFO L93 Difference]: Finished difference Result 4670 states and 6170 transitions. [2022-07-21 00:04:32,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-21 00:04:32,106 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 50.75) internal successors, (203), 3 states have internal predecessors, (203), 0 states have call successors, (0), 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 203 [2022-07-21 00:04:32,106 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 00:04:32,118 INFO L225 Difference]: With dead ends: 4670 [2022-07-21 00:04:32,118 INFO L226 Difference]: Without dead ends: 3406 [2022-07-21 00:04:32,121 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-07-21 00:04:32,123 INFO L413 NwaCegarLoop]: 292 mSDtfsCounter, 491 mSDsluCounter, 55 mSDsCounter, 0 mSdLazyCounter, 1956 mSolverCounterSat, 284 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 491 SdHoareTripleChecker+Valid, 347 SdHoareTripleChecker+Invalid, 2240 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 284 IncrementalHoareTripleChecker+Valid, 1956 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2022-07-21 00:04:32,123 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [491 Valid, 347 Invalid, 2240 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [284 Valid, 1956 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2022-07-21 00:04:32,127 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3406 states. [2022-07-21 00:04:32,172 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3406 to 3381. [2022-07-21 00:04:32,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3381 states, 3380 states have (on average 1.23698224852071) internal successors, (4181), 3380 states have internal predecessors, (4181), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:04:32,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3381 states to 3381 states and 4181 transitions. [2022-07-21 00:04:32,185 INFO L78 Accepts]: Start accepts. Automaton has 3381 states and 4181 transitions. Word has length 203 [2022-07-21 00:04:32,185 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 00:04:32,185 INFO L495 AbstractCegarLoop]: Abstraction has 3381 states and 4181 transitions. [2022-07-21 00:04:32,186 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 50.75) internal successors, (203), 3 states have internal predecessors, (203), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:04:32,186 INFO L276 IsEmpty]: Start isEmpty. Operand 3381 states and 4181 transitions. [2022-07-21 00:04:32,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2022-07-21 00:04:32,188 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 00:04:32,189 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-07-21 00:04:32,189 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-21 00:04:32,189 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 00:04:32,190 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 00:04:32,190 INFO L85 PathProgramCache]: Analyzing trace with hash 1982643012, now seen corresponding path program 1 times [2022-07-21 00:04:32,190 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 00:04:32,190 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [961028675] [2022-07-21 00:04:32,191 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 00:04:32,191 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 00:04:32,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 00:04:32,368 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 69 proven. 0 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2022-07-21 00:04:32,369 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 00:04:32,369 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [961028675] [2022-07-21 00:04:32,370 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [961028675] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 00:04:32,370 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 00:04:32,370 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-21 00:04:32,371 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1281907846] [2022-07-21 00:04:32,371 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 00:04:32,372 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 00:04:32,373 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 00:04:32,373 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 00:04:32,374 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 00:04:32,374 INFO L87 Difference]: Start difference. First operand 3381 states and 4181 transitions. Second operand has 3 states, 3 states have (on average 43.333333333333336) internal successors, (130), 2 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:04:33,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 00:04:33,657 INFO L93 Difference]: Finished difference Result 8563 states and 10756 transitions. [2022-07-21 00:04:33,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 00:04:33,663 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 43.333333333333336) internal successors, (130), 2 states have internal predecessors, (130), 0 states have call successors, (0), 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 207 [2022-07-21 00:04:33,663 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 00:04:33,682 INFO L225 Difference]: With dead ends: 8563 [2022-07-21 00:04:33,683 INFO L226 Difference]: Without dead ends: 5483 [2022-07-21 00:04:33,689 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 00:04:33,690 INFO L413 NwaCegarLoop]: 272 mSDtfsCounter, 257 mSDsluCounter, 67 mSDsCounter, 0 mSdLazyCounter, 791 mSolverCounterSat, 298 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 257 SdHoareTripleChecker+Valid, 339 SdHoareTripleChecker+Invalid, 1089 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 298 IncrementalHoareTripleChecker+Valid, 791 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-07-21 00:04:33,691 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [257 Valid, 339 Invalid, 1089 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [298 Valid, 791 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-07-21 00:04:33,696 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5483 states. [2022-07-21 00:04:33,772 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5483 to 5478. [2022-07-21 00:04:33,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5478 states, 5477 states have (on average 1.168888077414643) internal successors, (6402), 5477 states have internal predecessors, (6402), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:04:33,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5478 states to 5478 states and 6402 transitions. [2022-07-21 00:04:33,791 INFO L78 Accepts]: Start accepts. Automaton has 5478 states and 6402 transitions. Word has length 207 [2022-07-21 00:04:33,791 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 00:04:33,791 INFO L495 AbstractCegarLoop]: Abstraction has 5478 states and 6402 transitions. [2022-07-21 00:04:33,792 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 43.333333333333336) internal successors, (130), 2 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:04:33,792 INFO L276 IsEmpty]: Start isEmpty. Operand 5478 states and 6402 transitions. [2022-07-21 00:04:33,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 310 [2022-07-21 00:04:33,796 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 00:04:33,797 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 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, 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, 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, 1, 1, 1, 1] [2022-07-21 00:04:33,797 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-07-21 00:04:33,797 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 00:04:33,798 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 00:04:33,798 INFO L85 PathProgramCache]: Analyzing trace with hash -611803236, now seen corresponding path program 1 times [2022-07-21 00:04:33,799 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 00:04:33,804 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1354744532] [2022-07-21 00:04:33,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 00:04:33,805 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 00:04:33,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 00:04:33,999 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 109 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2022-07-21 00:04:33,999 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 00:04:34,000 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1354744532] [2022-07-21 00:04:34,000 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1354744532] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 00:04:34,000 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 00:04:34,000 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-21 00:04:34,000 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1633092210] [2022-07-21 00:04:34,001 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 00:04:34,001 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 00:04:34,002 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 00:04:34,002 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 00:04:34,002 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 00:04:34,002 INFO L87 Difference]: Start difference. First operand 5478 states and 6402 transitions. Second operand has 3 states, 3 states have (on average 91.66666666666667) internal successors, (275), 2 states have internal predecessors, (275), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:04:35,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 00:04:35,352 INFO L93 Difference]: Finished difference Result 10655 states and 12491 transitions. [2022-07-21 00:04:35,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 00:04:35,353 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 91.66666666666667) internal successors, (275), 2 states have internal predecessors, (275), 0 states have call successors, (0), 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 309 [2022-07-21 00:04:35,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 00:04:35,371 INFO L225 Difference]: With dead ends: 10655 [2022-07-21 00:04:35,371 INFO L226 Difference]: Without dead ends: 5478 [2022-07-21 00:04:35,379 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 00:04:35,381 INFO L413 NwaCegarLoop]: 324 mSDtfsCounter, 105 mSDsluCounter, 35 mSDsCounter, 0 mSdLazyCounter, 888 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 105 SdHoareTripleChecker+Valid, 359 SdHoareTripleChecker+Invalid, 893 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 888 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-07-21 00:04:35,381 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [105 Valid, 359 Invalid, 893 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 888 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-07-21 00:04:35,386 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5478 states. [2022-07-21 00:04:35,459 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5478 to 5478. [2022-07-21 00:04:35,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5478 states, 5477 states have (on average 1.1677925871827644) internal successors, (6396), 5477 states have internal predecessors, (6396), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:04:35,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5478 states to 5478 states and 6396 transitions. [2022-07-21 00:04:35,477 INFO L78 Accepts]: Start accepts. Automaton has 5478 states and 6396 transitions. Word has length 309 [2022-07-21 00:04:35,477 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 00:04:35,477 INFO L495 AbstractCegarLoop]: Abstraction has 5478 states and 6396 transitions. [2022-07-21 00:04:35,478 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 91.66666666666667) internal successors, (275), 2 states have internal predecessors, (275), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:04:35,478 INFO L276 IsEmpty]: Start isEmpty. Operand 5478 states and 6396 transitions. [2022-07-21 00:04:35,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 325 [2022-07-21 00:04:35,484 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 00:04:35,484 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 00:04:35,485 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-07-21 00:04:35,485 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 00:04:35,485 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 00:04:35,485 INFO L85 PathProgramCache]: Analyzing trace with hash 17846925, now seen corresponding path program 1 times [2022-07-21 00:04:35,486 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 00:04:35,486 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [588714955] [2022-07-21 00:04:35,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 00:04:35,486 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 00:04:35,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 00:04:35,628 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 69 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2022-07-21 00:04:35,628 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 00:04:35,628 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [588714955] [2022-07-21 00:04:35,628 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [588714955] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 00:04:35,629 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 00:04:35,629 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 00:04:35,629 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [218669524] [2022-07-21 00:04:35,629 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 00:04:35,630 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 00:04:35,630 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 00:04:35,630 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 00:04:35,630 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 00:04:35,631 INFO L87 Difference]: Start difference. First operand 5478 states and 6396 transitions. Second operand has 3 states, 3 states have (on average 78.33333333333333) internal successors, (235), 3 states have internal predecessors, (235), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:04:37,668 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 00:04:37,668 INFO L93 Difference]: Finished difference Result 11851 states and 14153 transitions. [2022-07-21 00:04:37,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 00:04:37,669 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 78.33333333333333) internal successors, (235), 3 states have internal predecessors, (235), 0 states have call successors, (0), 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 324 [2022-07-21 00:04:37,669 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 00:04:37,688 INFO L225 Difference]: With dead ends: 11851 [2022-07-21 00:04:37,688 INFO L226 Difference]: Without dead ends: 6674 [2022-07-21 00:04:37,695 INFO L412 NwaCegarLoop]: 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 [2022-07-21 00:04:37,696 INFO L413 NwaCegarLoop]: 277 mSDtfsCounter, 278 mSDsluCounter, 45 mSDsCounter, 0 mSdLazyCounter, 908 mSolverCounterSat, 206 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 278 SdHoareTripleChecker+Valid, 322 SdHoareTripleChecker+Invalid, 1114 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 206 IncrementalHoareTripleChecker+Valid, 908 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2022-07-21 00:04:37,696 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [278 Valid, 322 Invalid, 1114 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [206 Valid, 908 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-07-21 00:04:37,703 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6674 states. [2022-07-21 00:04:37,790 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6674 to 5175. [2022-07-21 00:04:37,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5175 states, 5174 states have (on average 1.1749130266718206) internal successors, (6079), 5174 states have internal predecessors, (6079), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:04:37,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5175 states to 5175 states and 6079 transitions. [2022-07-21 00:04:37,811 INFO L78 Accepts]: Start accepts. Automaton has 5175 states and 6079 transitions. Word has length 324 [2022-07-21 00:04:37,812 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 00:04:37,812 INFO L495 AbstractCegarLoop]: Abstraction has 5175 states and 6079 transitions. [2022-07-21 00:04:37,812 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 78.33333333333333) internal successors, (235), 3 states have internal predecessors, (235), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:04:37,812 INFO L276 IsEmpty]: Start isEmpty. Operand 5175 states and 6079 transitions. [2022-07-21 00:04:37,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 384 [2022-07-21 00:04:37,817 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 00:04:37,818 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 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, 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, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 00:04:37,818 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-07-21 00:04:37,818 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 00:04:37,819 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 00:04:37,819 INFO L85 PathProgramCache]: Analyzing trace with hash -1976630, now seen corresponding path program 1 times [2022-07-21 00:04:37,819 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 00:04:37,819 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [354904781] [2022-07-21 00:04:37,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 00:04:37,819 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 00:04:37,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 00:04:38,004 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 69 proven. 0 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2022-07-21 00:04:38,005 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 00:04:38,005 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [354904781] [2022-07-21 00:04:38,005 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [354904781] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 00:04:38,005 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 00:04:38,006 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 00:04:38,006 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1506761971] [2022-07-21 00:04:38,006 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 00:04:38,006 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 00:04:38,007 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 00:04:38,007 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 00:04:38,007 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 00:04:38,008 INFO L87 Difference]: Start difference. First operand 5175 states and 6079 transitions. Second operand has 3 states, 3 states have (on average 103.0) internal successors, (309), 3 states have internal predecessors, (309), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:04:39,528 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 00:04:39,529 INFO L93 Difference]: Finished difference Result 12151 states and 14569 transitions. [2022-07-21 00:04:39,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 00:04:39,533 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 103.0) internal successors, (309), 3 states have internal predecessors, (309), 0 states have call successors, (0), 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 383 [2022-07-21 00:04:39,534 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 00:04:39,567 INFO L225 Difference]: With dead ends: 12151 [2022-07-21 00:04:39,567 INFO L226 Difference]: Without dead ends: 7277 [2022-07-21 00:04:39,572 INFO L412 NwaCegarLoop]: 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 [2022-07-21 00:04:39,573 INFO L413 NwaCegarLoop]: 600 mSDtfsCounter, 291 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 896 mSolverCounterSat, 227 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 291 SdHoareTripleChecker+Valid, 637 SdHoareTripleChecker+Invalid, 1123 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 227 IncrementalHoareTripleChecker+Valid, 896 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-07-21 00:04:39,573 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [291 Valid, 637 Invalid, 1123 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [227 Valid, 896 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-07-21 00:04:39,579 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7277 states. [2022-07-21 00:04:39,654 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7277 to 6380. [2022-07-21 00:04:39,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6380 states, 6379 states have (on average 1.1559805612164915) internal successors, (7374), 6379 states have internal predecessors, (7374), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:04:39,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6380 states to 6380 states and 7374 transitions. [2022-07-21 00:04:39,687 INFO L78 Accepts]: Start accepts. Automaton has 6380 states and 7374 transitions. Word has length 383 [2022-07-21 00:04:39,688 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 00:04:39,688 INFO L495 AbstractCegarLoop]: Abstraction has 6380 states and 7374 transitions. [2022-07-21 00:04:39,688 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 103.0) internal successors, (309), 3 states have internal predecessors, (309), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:04:39,689 INFO L276 IsEmpty]: Start isEmpty. Operand 6380 states and 7374 transitions. [2022-07-21 00:04:39,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 390 [2022-07-21 00:04:39,694 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 00:04:39,694 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 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, 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, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 00:04:39,696 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-07-21 00:04:39,696 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 00:04:39,696 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 00:04:39,697 INFO L85 PathProgramCache]: Analyzing trace with hash -83367434, now seen corresponding path program 1 times [2022-07-21 00:04:39,697 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 00:04:39,697 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1118418610] [2022-07-21 00:04:39,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 00:04:39,697 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 00:04:39,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 00:04:39,900 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 148 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-21 00:04:39,900 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 00:04:39,900 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1118418610] [2022-07-21 00:04:39,901 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1118418610] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 00:04:39,901 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 00:04:39,901 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 00:04:39,901 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [390715111] [2022-07-21 00:04:39,901 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 00:04:39,902 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 00:04:39,902 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 00:04:39,903 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 00:04:39,903 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 00:04:39,903 INFO L87 Difference]: Start difference. First operand 6380 states and 7374 transitions. Second operand has 3 states, 3 states have (on average 129.66666666666666) internal successors, (389), 3 states have internal predecessors, (389), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:04:41,130 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 00:04:41,130 INFO L93 Difference]: Finished difference Result 12455 states and 14437 transitions. [2022-07-21 00:04:41,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 00:04:41,131 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 129.66666666666666) internal successors, (389), 3 states have internal predecessors, (389), 0 states have call successors, (0), 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 389 [2022-07-21 00:04:41,132 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 00:04:41,142 INFO L225 Difference]: With dead ends: 12455 [2022-07-21 00:04:41,142 INFO L226 Difference]: Without dead ends: 6376 [2022-07-21 00:04:41,148 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 00:04:41,148 INFO L413 NwaCegarLoop]: 125 mSDtfsCounter, 314 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 840 mSolverCounterSat, 227 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 314 SdHoareTripleChecker+Valid, 144 SdHoareTripleChecker+Invalid, 1067 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 227 IncrementalHoareTripleChecker+Valid, 840 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-07-21 00:04:41,149 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [314 Valid, 144 Invalid, 1067 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [227 Valid, 840 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-07-21 00:04:41,153 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6376 states. [2022-07-21 00:04:41,224 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6376 to 6374. [2022-07-21 00:04:41,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6374 states, 6373 states have (on average 1.1402793033108427) internal successors, (7267), 6373 states have internal predecessors, (7267), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:04:41,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6374 states to 6374 states and 7267 transitions. [2022-07-21 00:04:41,241 INFO L78 Accepts]: Start accepts. Automaton has 6374 states and 7267 transitions. Word has length 389 [2022-07-21 00:04:41,241 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 00:04:41,241 INFO L495 AbstractCegarLoop]: Abstraction has 6374 states and 7267 transitions. [2022-07-21 00:04:41,242 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 129.66666666666666) internal successors, (389), 3 states have internal predecessors, (389), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:04:41,242 INFO L276 IsEmpty]: Start isEmpty. Operand 6374 states and 7267 transitions. [2022-07-21 00:04:41,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 401 [2022-07-21 00:04:41,249 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 00:04:41,249 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 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, 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, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 00:04:41,249 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-07-21 00:04:41,250 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 00:04:41,250 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 00:04:41,250 INFO L85 PathProgramCache]: Analyzing trace with hash -21318461, now seen corresponding path program 1 times [2022-07-21 00:04:41,251 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 00:04:41,251 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1080737219] [2022-07-21 00:04:41,251 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 00:04:41,251 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 00:04:41,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 00:04:41,460 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 149 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-21 00:04:41,460 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 00:04:41,460 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1080737219] [2022-07-21 00:04:41,460 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1080737219] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 00:04:41,460 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 00:04:41,461 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 00:04:41,461 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1779050878] [2022-07-21 00:04:41,461 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 00:04:41,462 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 00:04:41,462 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 00:04:41,462 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 00:04:41,462 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 00:04:41,463 INFO L87 Difference]: Start difference. First operand 6374 states and 7267 transitions. Second operand has 3 states, 3 states have (on average 133.33333333333334) internal successors, (400), 3 states have internal predecessors, (400), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:04:42,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 00:04:42,948 INFO L93 Difference]: Finished difference Result 14552 states and 16858 transitions. [2022-07-21 00:04:42,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 00:04:42,949 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 133.33333333333334) internal successors, (400), 3 states have internal predecessors, (400), 0 states have call successors, (0), 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 400 [2022-07-21 00:04:42,950 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 00:04:42,964 INFO L225 Difference]: With dead ends: 14552 [2022-07-21 00:04:42,965 INFO L226 Difference]: Without dead ends: 8479 [2022-07-21 00:04:42,973 INFO L412 NwaCegarLoop]: 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 [2022-07-21 00:04:42,974 INFO L413 NwaCegarLoop]: 561 mSDtfsCounter, 247 mSDsluCounter, 38 mSDsCounter, 0 mSdLazyCounter, 902 mSolverCounterSat, 186 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 247 SdHoareTripleChecker+Valid, 599 SdHoareTripleChecker+Invalid, 1088 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 186 IncrementalHoareTripleChecker+Valid, 902 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-07-21 00:04:42,974 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [247 Valid, 599 Invalid, 1088 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [186 Valid, 902 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-07-21 00:04:42,982 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8479 states. [2022-07-21 00:04:43,093 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8479 to 7579. [2022-07-21 00:04:43,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7579 states, 7578 states have (on average 1.1311691739245184) internal successors, (8572), 7578 states have internal predecessors, (8572), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:04:43,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7579 states to 7579 states and 8572 transitions. [2022-07-21 00:04:43,112 INFO L78 Accepts]: Start accepts. Automaton has 7579 states and 8572 transitions. Word has length 400 [2022-07-21 00:04:43,113 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 00:04:43,113 INFO L495 AbstractCegarLoop]: Abstraction has 7579 states and 8572 transitions. [2022-07-21 00:04:43,113 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 133.33333333333334) internal successors, (400), 3 states have internal predecessors, (400), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:04:43,113 INFO L276 IsEmpty]: Start isEmpty. Operand 7579 states and 8572 transitions. [2022-07-21 00:04:43,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 415 [2022-07-21 00:04:43,120 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 00:04:43,121 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 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, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 00:04:43,121 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-07-21 00:04:43,122 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 00:04:43,122 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 00:04:43,122 INFO L85 PathProgramCache]: Analyzing trace with hash -1517405968, now seen corresponding path program 1 times [2022-07-21 00:04:43,122 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 00:04:43,123 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1019478328] [2022-07-21 00:04:43,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 00:04:43,123 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 00:04:43,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 00:04:43,358 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 35 proven. 140 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-21 00:04:43,358 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 00:04:43,358 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1019478328] [2022-07-21 00:04:43,358 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1019478328] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-21 00:04:43,358 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1916713648] [2022-07-21 00:04:43,359 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 00:04:43,359 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-21 00:04:43,359 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 00:04:43,363 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) [2022-07-21 00:04:43,407 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-07-21 00:04:43,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 00:04:43,543 INFO L263 TraceCheckSpWp]: Trace formula consists of 517 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-21 00:04:43,573 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 00:04:43,788 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 69 proven. 0 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2022-07-21 00:04:43,789 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 00:04:43,789 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1916713648] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 00:04:43,789 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-21 00:04:43,789 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2022-07-21 00:04:43,790 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [975814076] [2022-07-21 00:04:43,790 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 00:04:43,790 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 00:04:43,790 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 00:04:43,791 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 00:04:43,791 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-07-21 00:04:43,791 INFO L87 Difference]: Start difference. First operand 7579 states and 8572 transitions. Second operand has 3 states, 3 states have (on average 103.0) internal successors, (309), 3 states have internal predecessors, (309), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:04:46,005 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 00:04:46,005 INFO L93 Difference]: Finished difference Result 17315 states and 19934 transitions. [2022-07-21 00:04:46,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 00:04:46,006 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 103.0) internal successors, (309), 3 states have internal predecessors, (309), 0 states have call successors, (0), 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 414 [2022-07-21 00:04:46,007 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 00:04:46,024 INFO L225 Difference]: With dead ends: 17315 [2022-07-21 00:04:46,024 INFO L226 Difference]: Without dead ends: 10037 [2022-07-21 00:04:46,032 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 417 GetRequests, 413 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-07-21 00:04:46,033 INFO L413 NwaCegarLoop]: 476 mSDtfsCounter, 379 mSDsluCounter, 64 mSDsCounter, 0 mSdLazyCounter, 1063 mSolverCounterSat, 63 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 379 SdHoareTripleChecker+Valid, 540 SdHoareTripleChecker+Invalid, 1126 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 1063 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-07-21 00:04:46,033 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [379 Valid, 540 Invalid, 1126 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 1063 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2022-07-21 00:04:46,044 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10037 states. [2022-07-21 00:04:46,134 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10037 to 10032. [2022-07-21 00:04:46,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10032 states, 10031 states have (on average 1.1473432359684976) internal successors, (11509), 10031 states have internal predecessors, (11509), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:04:46,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10032 states to 10032 states and 11509 transitions. [2022-07-21 00:04:46,158 INFO L78 Accepts]: Start accepts. Automaton has 10032 states and 11509 transitions. Word has length 414 [2022-07-21 00:04:46,158 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 00:04:46,158 INFO L495 AbstractCegarLoop]: Abstraction has 10032 states and 11509 transitions. [2022-07-21 00:04:46,159 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 103.0) internal successors, (309), 3 states have internal predecessors, (309), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:04:46,159 INFO L276 IsEmpty]: Start isEmpty. Operand 10032 states and 11509 transitions. [2022-07-21 00:04:46,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 417 [2022-07-21 00:04:46,163 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 00:04:46,163 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 00:04:46,191 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-07-21 00:04:46,376 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2022-07-21 00:04:46,377 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 00:04:46,377 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 00:04:46,377 INFO L85 PathProgramCache]: Analyzing trace with hash 586526144, now seen corresponding path program 1 times [2022-07-21 00:04:46,377 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 00:04:46,377 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [923519402] [2022-07-21 00:04:46,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 00:04:46,378 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 00:04:46,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 00:04:46,547 INFO L134 CoverageAnalysis]: Checked inductivity of 376 backedges. 286 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2022-07-21 00:04:46,547 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 00:04:46,547 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [923519402] [2022-07-21 00:04:46,548 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [923519402] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 00:04:46,548 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 00:04:46,548 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 00:04:46,548 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1998061716] [2022-07-21 00:04:46,548 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 00:04:46,549 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 00:04:46,549 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 00:04:46,549 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 00:04:46,550 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 00:04:46,550 INFO L87 Difference]: Start difference. First operand 10032 states and 11509 transitions. Second operand has 3 states, 3 states have (on average 109.0) internal successors, (327), 3 states have internal predecessors, (327), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:04:47,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 00:04:47,923 INFO L93 Difference]: Finished difference Result 22158 states and 25858 transitions. [2022-07-21 00:04:47,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 00:04:47,924 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 109.0) internal successors, (327), 3 states have internal predecessors, (327), 0 states have call successors, (0), 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 416 [2022-07-21 00:04:47,925 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 00:04:47,947 INFO L225 Difference]: With dead ends: 22158 [2022-07-21 00:04:47,947 INFO L226 Difference]: Without dead ends: 12427 [2022-07-21 00:04:47,958 INFO L412 NwaCegarLoop]: 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 [2022-07-21 00:04:47,959 INFO L413 NwaCegarLoop]: 578 mSDtfsCounter, 236 mSDsluCounter, 38 mSDsCounter, 0 mSdLazyCounter, 879 mSolverCounterSat, 205 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 236 SdHoareTripleChecker+Valid, 616 SdHoareTripleChecker+Invalid, 1084 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 205 IncrementalHoareTripleChecker+Valid, 879 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-07-21 00:04:47,959 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [236 Valid, 616 Invalid, 1084 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [205 Valid, 879 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-07-21 00:04:47,968 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12427 states. [2022-07-21 00:04:48,110 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12427 to 12423. [2022-07-21 00:04:48,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12423 states, 12422 states have (on average 1.1356464337465786) internal successors, (14107), 12422 states have internal predecessors, (14107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:04:48,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12423 states to 12423 states and 14107 transitions. [2022-07-21 00:04:48,140 INFO L78 Accepts]: Start accepts. Automaton has 12423 states and 14107 transitions. Word has length 416 [2022-07-21 00:04:48,140 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 00:04:48,140 INFO L495 AbstractCegarLoop]: Abstraction has 12423 states and 14107 transitions. [2022-07-21 00:04:48,141 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 109.0) internal successors, (327), 3 states have internal predecessors, (327), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:04:48,141 INFO L276 IsEmpty]: Start isEmpty. Operand 12423 states and 14107 transitions. [2022-07-21 00:04:48,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 487 [2022-07-21 00:04:48,145 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 00:04:48,148 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 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, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 00:04:48,148 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-07-21 00:04:48,149 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 00:04:48,149 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 00:04:48,150 INFO L85 PathProgramCache]: Analyzing trace with hash 335548522, now seen corresponding path program 1 times [2022-07-21 00:04:48,150 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 00:04:48,150 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1120040408] [2022-07-21 00:04:48,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 00:04:48,150 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 00:04:48,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 00:04:48,369 INFO L134 CoverageAnalysis]: Checked inductivity of 353 backedges. 247 proven. 0 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2022-07-21 00:04:48,370 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 00:04:48,370 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1120040408] [2022-07-21 00:04:48,370 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1120040408] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 00:04:48,370 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 00:04:48,371 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 00:04:48,371 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [324436026] [2022-07-21 00:04:48,371 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 00:04:48,372 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 00:04:48,372 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 00:04:48,372 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 00:04:48,372 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 00:04:48,373 INFO L87 Difference]: Start difference. First operand 12423 states and 14107 transitions. Second operand has 3 states, 3 states have (on average 127.0) internal successors, (381), 3 states have internal predecessors, (381), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:04:49,957 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 00:04:49,957 INFO L93 Difference]: Finished difference Result 32317 states and 36796 transitions. [2022-07-21 00:04:49,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 00:04:49,958 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 127.0) internal successors, (381), 3 states have internal predecessors, (381), 0 states have call successors, (0), 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 486 [2022-07-21 00:04:49,958 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 00:04:49,992 INFO L225 Difference]: With dead ends: 32317 [2022-07-21 00:04:49,993 INFO L226 Difference]: Without dead ends: 20195 [2022-07-21 00:04:50,007 INFO L412 NwaCegarLoop]: 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 [2022-07-21 00:04:50,009 INFO L413 NwaCegarLoop]: 163 mSDtfsCounter, 303 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 988 mSolverCounterSat, 198 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 303 SdHoareTripleChecker+Valid, 191 SdHoareTripleChecker+Invalid, 1186 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 198 IncrementalHoareTripleChecker+Valid, 988 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-07-21 00:04:50,010 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [303 Valid, 191 Invalid, 1186 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [198 Valid, 988 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-07-21 00:04:50,025 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20195 states. [2022-07-21 00:04:50,205 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20195 to 17205. [2022-07-21 00:04:50,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17205 states, 17204 states have (on average 1.1342129737270403) internal successors, (19513), 17204 states have internal predecessors, (19513), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:04:50,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17205 states to 17205 states and 19513 transitions. [2022-07-21 00:04:50,246 INFO L78 Accepts]: Start accepts. Automaton has 17205 states and 19513 transitions. Word has length 486 [2022-07-21 00:04:50,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 00:04:50,246 INFO L495 AbstractCegarLoop]: Abstraction has 17205 states and 19513 transitions. [2022-07-21 00:04:50,247 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 127.0) internal successors, (381), 3 states have internal predecessors, (381), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:04:50,247 INFO L276 IsEmpty]: Start isEmpty. Operand 17205 states and 19513 transitions. [2022-07-21 00:04:50,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 522 [2022-07-21 00:04:50,258 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 00:04:50,258 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 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, 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] [2022-07-21 00:04:50,259 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-07-21 00:04:50,259 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 00:04:50,259 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 00:04:50,260 INFO L85 PathProgramCache]: Analyzing trace with hash 1009214626, now seen corresponding path program 1 times [2022-07-21 00:04:50,260 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 00:04:50,260 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1850787717] [2022-07-21 00:04:50,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 00:04:50,260 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 00:04:50,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 00:04:50,464 INFO L134 CoverageAnalysis]: Checked inductivity of 663 backedges. 479 proven. 39 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2022-07-21 00:04:50,464 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 00:04:50,464 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1850787717] [2022-07-21 00:04:50,464 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1850787717] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-21 00:04:50,464 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1799828848] [2022-07-21 00:04:50,466 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 00:04:50,466 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-21 00:04:50,467 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 00:04:50,468 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) [2022-07-21 00:04:50,507 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-07-21 00:04:50,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 00:04:50,646 INFO L263 TraceCheckSpWp]: Trace formula consists of 667 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-21 00:04:50,652 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 00:04:50,719 INFO L134 CoverageAnalysis]: Checked inductivity of 663 backedges. 139 proven. 0 refuted. 0 times theorem prover too weak. 524 trivial. 0 not checked. [2022-07-21 00:04:50,719 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 00:04:50,719 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1799828848] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 00:04:50,720 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-21 00:04:50,720 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2022-07-21 00:04:50,720 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1385261410] [2022-07-21 00:04:50,723 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 00:04:50,725 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 00:04:50,725 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 00:04:50,726 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 00:04:50,726 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-07-21 00:04:50,727 INFO L87 Difference]: Start difference. First operand 17205 states and 19513 transitions. Second operand has 3 states, 3 states have (on average 79.66666666666667) internal successors, (239), 3 states have internal predecessors, (239), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:04:52,128 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 00:04:52,128 INFO L93 Difference]: Finished difference Result 36500 states and 41636 transitions. [2022-07-21 00:04:52,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 00:04:52,129 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 79.66666666666667) internal successors, (239), 3 states have internal predecessors, (239), 0 states have call successors, (0), 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 521 [2022-07-21 00:04:52,129 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 00:04:52,169 INFO L225 Difference]: With dead ends: 36500 [2022-07-21 00:04:52,169 INFO L226 Difference]: Without dead ends: 19596 [2022-07-21 00:04:52,184 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 524 GetRequests, 520 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-07-21 00:04:52,184 INFO L413 NwaCegarLoop]: 426 mSDtfsCounter, 380 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 963 mSolverCounterSat, 125 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 380 SdHoareTripleChecker+Valid, 445 SdHoareTripleChecker+Invalid, 1088 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 125 IncrementalHoareTripleChecker+Valid, 963 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-07-21 00:04:52,185 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [380 Valid, 445 Invalid, 1088 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [125 Valid, 963 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-07-21 00:04:52,200 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19596 states. [2022-07-21 00:04:52,348 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19596 to 14452. [2022-07-21 00:04:52,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14452 states, 14451 states have (on average 1.121029686526884) internal successors, (16200), 14451 states have internal predecessors, (16200), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:04:52,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14452 states to 14452 states and 16200 transitions. [2022-07-21 00:04:52,378 INFO L78 Accepts]: Start accepts. Automaton has 14452 states and 16200 transitions. Word has length 521 [2022-07-21 00:04:52,378 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 00:04:52,378 INFO L495 AbstractCegarLoop]: Abstraction has 14452 states and 16200 transitions. [2022-07-21 00:04:52,378 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 79.66666666666667) internal successors, (239), 3 states have internal predecessors, (239), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:04:52,379 INFO L276 IsEmpty]: Start isEmpty. Operand 14452 states and 16200 transitions. [2022-07-21 00:04:52,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 526 [2022-07-21 00:04:52,384 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 00:04:52,385 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 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, 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] [2022-07-21 00:04:52,406 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-07-21 00:04:52,595 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2022-07-21 00:04:52,596 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 00:04:52,596 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 00:04:52,596 INFO L85 PathProgramCache]: Analyzing trace with hash 1014473132, now seen corresponding path program 1 times [2022-07-21 00:04:52,596 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 00:04:52,596 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1426578701] [2022-07-21 00:04:52,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 00:04:52,596 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 00:04:52,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 00:04:52,789 INFO L134 CoverageAnalysis]: Checked inductivity of 675 backedges. 375 proven. 0 refuted. 0 times theorem prover too weak. 300 trivial. 0 not checked. [2022-07-21 00:04:52,789 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 00:04:52,790 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1426578701] [2022-07-21 00:04:52,790 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1426578701] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 00:04:52,790 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 00:04:52,790 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 00:04:52,790 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1624383613] [2022-07-21 00:04:52,790 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 00:04:52,791 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 00:04:52,791 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 00:04:52,792 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 00:04:52,792 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 00:04:52,792 INFO L87 Difference]: Start difference. First operand 14452 states and 16200 transitions. Second operand has 3 states, 3 states have (on average 105.66666666666667) internal successors, (317), 3 states have internal predecessors, (317), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:04:54,397 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 00:04:54,398 INFO L93 Difference]: Finished difference Result 34597 states and 39098 transitions. [2022-07-21 00:04:54,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 00:04:54,398 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 105.66666666666667) internal successors, (317), 3 states have internal predecessors, (317), 0 states have call successors, (0), 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 525 [2022-07-21 00:04:54,399 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 00:04:54,429 INFO L225 Difference]: With dead ends: 34597 [2022-07-21 00:04:54,429 INFO L226 Difference]: Without dead ends: 20446 [2022-07-21 00:04:54,443 INFO L412 NwaCegarLoop]: 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 [2022-07-21 00:04:54,443 INFO L413 NwaCegarLoop]: 563 mSDtfsCounter, 246 mSDsluCounter, 33 mSDsCounter, 0 mSdLazyCounter, 1019 mSolverCounterSat, 172 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 246 SdHoareTripleChecker+Valid, 596 SdHoareTripleChecker+Invalid, 1191 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 172 IncrementalHoareTripleChecker+Valid, 1019 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-07-21 00:04:54,444 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [246 Valid, 596 Invalid, 1191 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [172 Valid, 1019 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-07-21 00:04:54,459 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20446 states. [2022-07-21 00:04:54,629 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20446 to 19538. [2022-07-21 00:04:54,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19538 states, 19537 states have (on average 1.1134769923734453) internal successors, (21754), 19537 states have internal predecessors, (21754), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:04:54,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19538 states to 19538 states and 21754 transitions. [2022-07-21 00:04:54,668 INFO L78 Accepts]: Start accepts. Automaton has 19538 states and 21754 transitions. Word has length 525 [2022-07-21 00:04:54,669 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 00:04:54,669 INFO L495 AbstractCegarLoop]: Abstraction has 19538 states and 21754 transitions. [2022-07-21 00:04:54,669 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 105.66666666666667) internal successors, (317), 3 states have internal predecessors, (317), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:04:54,669 INFO L276 IsEmpty]: Start isEmpty. Operand 19538 states and 21754 transitions. [2022-07-21 00:04:54,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 581 [2022-07-21 00:04:54,678 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 00:04:54,678 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 00:04:54,678 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-07-21 00:04:54,678 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 00:04:54,679 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 00:04:54,679 INFO L85 PathProgramCache]: Analyzing trace with hash 183879736, now seen corresponding path program 1 times [2022-07-21 00:04:54,679 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 00:04:54,679 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1521185801] [2022-07-21 00:04:54,680 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 00:04:54,680 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 00:04:54,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 00:04:54,960 INFO L134 CoverageAnalysis]: Checked inductivity of 757 backedges. 556 proven. 39 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2022-07-21 00:04:54,960 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 00:04:54,960 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1521185801] [2022-07-21 00:04:54,960 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1521185801] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-21 00:04:54,961 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [930071017] [2022-07-21 00:04:54,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 00:04:54,961 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-21 00:04:54,961 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 00:04:54,964 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) [2022-07-21 00:04:55,003 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-07-21 00:04:55,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 00:04:55,152 INFO L263 TraceCheckSpWp]: Trace formula consists of 725 conjuncts, 7 conjunts are in the unsatisfiable core [2022-07-21 00:04:55,159 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 00:04:55,804 INFO L134 CoverageAnalysis]: Checked inductivity of 757 backedges. 556 proven. 39 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2022-07-21 00:04:55,805 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-21 00:04:56,403 INFO L134 CoverageAnalysis]: Checked inductivity of 757 backedges. 556 proven. 39 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2022-07-21 00:04:56,404 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [930071017] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-21 00:04:56,404 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-21 00:04:56,404 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 8 [2022-07-21 00:04:56,405 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [393859155] [2022-07-21 00:04:56,405 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-21 00:04:56,406 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-21 00:04:56,406 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 00:04:56,407 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-21 00:04:56,407 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2022-07-21 00:04:56,407 INFO L87 Difference]: Start difference. First operand 19538 states and 21754 transitions. Second operand has 9 states, 9 states have (on average 82.55555555555556) internal successors, (743), 8 states have internal predecessors, (743), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:05:01,803 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 00:05:01,803 INFO L93 Difference]: Finished difference Result 47106 states and 52196 transitions. [2022-07-21 00:05:01,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-07-21 00:05:01,803 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 82.55555555555556) internal successors, (743), 8 states have internal predecessors, (743), 0 states have call successors, (0), 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 580 [2022-07-21 00:05:01,804 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 00:05:01,826 INFO L225 Difference]: With dead ends: 47106 [2022-07-21 00:05:01,826 INFO L226 Difference]: Without dead ends: 21629 [2022-07-21 00:05:01,844 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1169 GetRequests, 1154 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=89, Invalid=151, Unknown=0, NotChecked=0, Total=240 [2022-07-21 00:05:01,844 INFO L413 NwaCegarLoop]: 103 mSDtfsCounter, 3101 mSDsluCounter, 166 mSDsCounter, 0 mSdLazyCounter, 5484 mSolverCounterSat, 613 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3101 SdHoareTripleChecker+Valid, 269 SdHoareTripleChecker+Invalid, 6097 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 613 IncrementalHoareTripleChecker+Valid, 5484 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.1s IncrementalHoareTripleChecker+Time [2022-07-21 00:05:01,845 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3101 Valid, 269 Invalid, 6097 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [613 Valid, 5484 Invalid, 0 Unknown, 0 Unchecked, 5.1s Time] [2022-07-21 00:05:01,863 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21629 states. [2022-07-21 00:05:02,059 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21629 to 17441. [2022-07-21 00:05:02,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17441 states, 17440 states have (on average 1.060894495412844) internal successors, (18502), 17440 states have internal predecessors, (18502), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:05:02,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17441 states to 17441 states and 18502 transitions. [2022-07-21 00:05:02,095 INFO L78 Accepts]: Start accepts. Automaton has 17441 states and 18502 transitions. Word has length 580 [2022-07-21 00:05:02,095 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 00:05:02,095 INFO L495 AbstractCegarLoop]: Abstraction has 17441 states and 18502 transitions. [2022-07-21 00:05:02,095 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 82.55555555555556) internal successors, (743), 8 states have internal predecessors, (743), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:05:02,096 INFO L276 IsEmpty]: Start isEmpty. Operand 17441 states and 18502 transitions. [2022-07-21 00:05:02,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 600 [2022-07-21 00:05:02,101 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 00:05:02,102 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 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, 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, 1, 1, 1, 1] [2022-07-21 00:05:02,127 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-07-21 00:05:02,315 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-21 00:05:02,316 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 00:05:02,316 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 00:05:02,316 INFO L85 PathProgramCache]: Analyzing trace with hash 820194565, now seen corresponding path program 1 times [2022-07-21 00:05:02,316 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 00:05:02,316 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1404221189] [2022-07-21 00:05:02,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 00:05:02,317 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 00:05:02,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 00:05:02,560 INFO L134 CoverageAnalysis]: Checked inductivity of 501 backedges. 104 proven. 0 refuted. 0 times theorem prover too weak. 397 trivial. 0 not checked. [2022-07-21 00:05:02,561 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 00:05:02,561 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1404221189] [2022-07-21 00:05:02,562 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1404221189] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 00:05:02,562 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 00:05:02,562 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 00:05:02,562 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [559044594] [2022-07-21 00:05:02,562 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 00:05:02,563 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 00:05:02,563 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 00:05:02,564 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 00:05:02,564 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 00:05:02,564 INFO L87 Difference]: Start difference. First operand 17441 states and 18502 transitions. Second operand has 3 states, 3 states have (on average 103.33333333333333) internal successors, (310), 3 states have internal predecessors, (310), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:05:03,717 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 00:05:03,718 INFO L93 Difference]: Finished difference Result 38773 states and 41240 transitions. [2022-07-21 00:05:03,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 00:05:03,718 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 103.33333333333333) internal successors, (310), 3 states have internal predecessors, (310), 0 states have call successors, (0), 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 599 [2022-07-21 00:05:03,719 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 00:05:03,738 INFO L225 Difference]: With dead ends: 38773 [2022-07-21 00:05:03,738 INFO L226 Difference]: Without dead ends: 21334 [2022-07-21 00:05:03,751 INFO L412 NwaCegarLoop]: 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 [2022-07-21 00:05:03,751 INFO L413 NwaCegarLoop]: 470 mSDtfsCounter, 300 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 840 mSolverCounterSat, 130 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 300 SdHoareTripleChecker+Valid, 496 SdHoareTripleChecker+Invalid, 970 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 130 IncrementalHoareTripleChecker+Valid, 840 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-07-21 00:05:03,752 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [300 Valid, 496 Invalid, 970 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [130 Valid, 840 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-07-21 00:05:03,767 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21334 states. [2022-07-21 00:05:03,961 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21334 to 20129. [2022-07-21 00:05:03,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20129 states, 20128 states have (on average 1.0578795707472177) internal successors, (21293), 20128 states have internal predecessors, (21293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:05:03,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20129 states to 20129 states and 21293 transitions. [2022-07-21 00:05:03,995 INFO L78 Accepts]: Start accepts. Automaton has 20129 states and 21293 transitions. Word has length 599 [2022-07-21 00:05:03,995 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 00:05:03,995 INFO L495 AbstractCegarLoop]: Abstraction has 20129 states and 21293 transitions. [2022-07-21 00:05:03,995 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 103.33333333333333) internal successors, (310), 3 states have internal predecessors, (310), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:05:03,995 INFO L276 IsEmpty]: Start isEmpty. Operand 20129 states and 21293 transitions. [2022-07-21 00:05:03,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 618 [2022-07-21 00:05:03,999 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 00:05:04,000 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 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, 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, 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, 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, 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, 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, 1, 1] [2022-07-21 00:05:04,000 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-07-21 00:05:04,000 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 00:05:04,000 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 00:05:04,000 INFO L85 PathProgramCache]: Analyzing trace with hash 1406076379, now seen corresponding path program 1 times [2022-07-21 00:05:04,001 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 00:05:04,001 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2063986741] [2022-07-21 00:05:04,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 00:05:04,001 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 00:05:04,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 00:05:04,225 INFO L134 CoverageAnalysis]: Checked inductivity of 709 backedges. 340 proven. 0 refuted. 0 times theorem prover too weak. 369 trivial. 0 not checked. [2022-07-21 00:05:04,225 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 00:05:04,225 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2063986741] [2022-07-21 00:05:04,226 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2063986741] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 00:05:04,226 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 00:05:04,226 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 00:05:04,226 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1246720340] [2022-07-21 00:05:04,226 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 00:05:04,227 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 00:05:04,227 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 00:05:04,227 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 00:05:04,227 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 00:05:04,228 INFO L87 Difference]: Start difference. First operand 20129 states and 21293 transitions. Second operand has 3 states, 3 states have (on average 119.0) internal successors, (357), 3 states have internal predecessors, (357), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:05:05,260 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 00:05:05,260 INFO L93 Difference]: Finished difference Result 40254 states and 42595 transitions. [2022-07-21 00:05:05,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 00:05:05,261 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 119.0) internal successors, (357), 3 states have internal predecessors, (357), 0 states have call successors, (0), 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 617 [2022-07-21 00:05:05,261 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 00:05:05,283 INFO L225 Difference]: With dead ends: 40254 [2022-07-21 00:05:05,283 INFO L226 Difference]: Without dead ends: 20426 [2022-07-21 00:05:05,296 INFO L412 NwaCegarLoop]: 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 [2022-07-21 00:05:05,296 INFO L413 NwaCegarLoop]: 62 mSDtfsCounter, 435 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 735 mSolverCounterSat, 79 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 435 SdHoareTripleChecker+Valid, 67 SdHoareTripleChecker+Invalid, 814 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 79 IncrementalHoareTripleChecker+Valid, 735 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-07-21 00:05:05,297 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [435 Valid, 67 Invalid, 814 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [79 Valid, 735 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-07-21 00:05:05,312 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20426 states. [2022-07-21 00:05:05,514 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20426 to 20127. [2022-07-21 00:05:05,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20127 states, 20126 states have (on average 1.0577859485242969) internal successors, (21289), 20126 states have internal predecessors, (21289), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:05:05,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20127 states to 20127 states and 21289 transitions. [2022-07-21 00:05:05,544 INFO L78 Accepts]: Start accepts. Automaton has 20127 states and 21289 transitions. Word has length 617 [2022-07-21 00:05:05,544 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 00:05:05,544 INFO L495 AbstractCegarLoop]: Abstraction has 20127 states and 21289 transitions. [2022-07-21 00:05:05,544 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 119.0) internal successors, (357), 3 states have internal predecessors, (357), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:05:05,544 INFO L276 IsEmpty]: Start isEmpty. Operand 20127 states and 21289 transitions. [2022-07-21 00:05:05,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 663 [2022-07-21 00:05:05,551 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 00:05:05,552 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 00:05:05,552 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-07-21 00:05:05,552 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 00:05:05,552 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 00:05:05,553 INFO L85 PathProgramCache]: Analyzing trace with hash -2029982484, now seen corresponding path program 1 times [2022-07-21 00:05:05,553 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 00:05:05,553 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1819022365] [2022-07-21 00:05:05,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 00:05:05,553 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 00:05:05,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 00:05:05,851 INFO L134 CoverageAnalysis]: Checked inductivity of 562 backedges. 104 proven. 0 refuted. 0 times theorem prover too weak. 458 trivial. 0 not checked. [2022-07-21 00:05:05,852 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 00:05:05,852 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1819022365] [2022-07-21 00:05:05,852 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1819022365] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 00:05:05,852 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 00:05:05,852 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 00:05:05,853 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2084031474] [2022-07-21 00:05:05,853 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 00:05:05,853 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 00:05:05,854 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 00:05:05,854 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 00:05:05,854 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 00:05:05,854 INFO L87 Difference]: Start difference. First operand 20127 states and 21289 transitions. Second operand has 3 states, 3 states have (on average 104.0) internal successors, (312), 3 states have internal predecessors, (312), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:05:06,816 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 00:05:06,816 INFO L93 Difference]: Finished difference Result 40255 states and 42579 transitions. [2022-07-21 00:05:06,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 00:05:06,817 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 104.0) internal successors, (312), 3 states have internal predecessors, (312), 0 states have call successors, (0), 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 662 [2022-07-21 00:05:06,818 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 00:05:06,841 INFO L225 Difference]: With dead ends: 40255 [2022-07-21 00:05:06,841 INFO L226 Difference]: Without dead ends: 20130 [2022-07-21 00:05:06,854 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 00:05:06,855 INFO L413 NwaCegarLoop]: 99 mSDtfsCounter, 340 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 750 mSolverCounterSat, 100 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 340 SdHoareTripleChecker+Valid, 114 SdHoareTripleChecker+Invalid, 850 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 100 IncrementalHoareTripleChecker+Valid, 750 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-07-21 00:05:06,855 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [340 Valid, 114 Invalid, 850 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [100 Valid, 750 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-07-21 00:05:06,872 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20130 states. [2022-07-21 00:05:07,120 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20130 to 19828. [2022-07-21 00:05:07,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19828 states, 19827 states have (on average 1.0499823473041812) internal successors, (20818), 19827 states have internal predecessors, (20818), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:05:07,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19828 states to 19828 states and 20818 transitions. [2022-07-21 00:05:07,153 INFO L78 Accepts]: Start accepts. Automaton has 19828 states and 20818 transitions. Word has length 662 [2022-07-21 00:05:07,153 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 00:05:07,153 INFO L495 AbstractCegarLoop]: Abstraction has 19828 states and 20818 transitions. [2022-07-21 00:05:07,154 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 104.0) internal successors, (312), 3 states have internal predecessors, (312), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:05:07,154 INFO L276 IsEmpty]: Start isEmpty. Operand 19828 states and 20818 transitions. [2022-07-21 00:05:07,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 665 [2022-07-21 00:05:07,160 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 00:05:07,160 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 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, 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, 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, 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, 1, 1, 1, 1, 1, 1] [2022-07-21 00:05:07,160 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-07-21 00:05:07,160 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 00:05:07,161 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 00:05:07,161 INFO L85 PathProgramCache]: Analyzing trace with hash 1434364617, now seen corresponding path program 1 times [2022-07-21 00:05:07,161 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 00:05:07,161 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1071918973] [2022-07-21 00:05:07,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 00:05:07,161 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 00:05:07,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 00:05:07,416 INFO L134 CoverageAnalysis]: Checked inductivity of 827 backedges. 493 proven. 0 refuted. 0 times theorem prover too weak. 334 trivial. 0 not checked. [2022-07-21 00:05:07,417 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 00:05:07,417 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1071918973] [2022-07-21 00:05:07,417 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1071918973] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 00:05:07,417 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 00:05:07,417 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-21 00:05:07,418 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [939505246] [2022-07-21 00:05:07,418 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 00:05:07,418 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-21 00:05:07,419 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 00:05:07,419 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-21 00:05:07,419 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-07-21 00:05:07,419 INFO L87 Difference]: Start difference. First operand 19828 states and 20818 transitions. Second operand has 4 states, 4 states have (on average 109.5) internal successors, (438), 4 states have internal predecessors, (438), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:05:08,881 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 00:05:08,882 INFO L93 Difference]: Finished difference Result 42645 states and 44789 transitions. [2022-07-21 00:05:08,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-21 00:05:08,882 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 109.5) internal successors, (438), 4 states have internal predecessors, (438), 0 states have call successors, (0), 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 664 [2022-07-21 00:05:08,883 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 00:05:08,909 INFO L225 Difference]: With dead ends: 42645 [2022-07-21 00:05:08,910 INFO L226 Difference]: Without dead ends: 23118 [2022-07-21 00:05:08,923 INFO L412 NwaCegarLoop]: 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 [2022-07-21 00:05:08,924 INFO L413 NwaCegarLoop]: 389 mSDtfsCounter, 620 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 1408 mSolverCounterSat, 250 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 620 SdHoareTripleChecker+Valid, 421 SdHoareTripleChecker+Invalid, 1658 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 250 IncrementalHoareTripleChecker+Valid, 1408 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-07-21 00:05:08,924 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [620 Valid, 421 Invalid, 1658 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [250 Valid, 1408 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-07-21 00:05:08,939 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23118 states. [2022-07-21 00:05:09,181 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23118 to 21919. [2022-07-21 00:05:09,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21919 states, 21918 states have (on average 1.039967150287435) internal successors, (22794), 21918 states have internal predecessors, (22794), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:05:09,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21919 states to 21919 states and 22794 transitions. [2022-07-21 00:05:09,218 INFO L78 Accepts]: Start accepts. Automaton has 21919 states and 22794 transitions. Word has length 664 [2022-07-21 00:05:09,218 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 00:05:09,218 INFO L495 AbstractCegarLoop]: Abstraction has 21919 states and 22794 transitions. [2022-07-21 00:05:09,218 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 109.5) internal successors, (438), 4 states have internal predecessors, (438), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:05:09,218 INFO L276 IsEmpty]: Start isEmpty. Operand 21919 states and 22794 transitions. [2022-07-21 00:05:09,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 675 [2022-07-21 00:05:09,224 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 00:05:09,224 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 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, 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, 1] [2022-07-21 00:05:09,225 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-07-21 00:05:09,225 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 00:05:09,225 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 00:05:09,225 INFO L85 PathProgramCache]: Analyzing trace with hash -1179229687, now seen corresponding path program 1 times [2022-07-21 00:05:09,226 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 00:05:09,226 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [247439043] [2022-07-21 00:05:09,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 00:05:09,226 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 00:05:09,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 00:05:09,453 INFO L134 CoverageAnalysis]: Checked inductivity of 757 backedges. 418 proven. 0 refuted. 0 times theorem prover too weak. 339 trivial. 0 not checked. [2022-07-21 00:05:09,454 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 00:05:09,454 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [247439043] [2022-07-21 00:05:09,454 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [247439043] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 00:05:09,454 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 00:05:09,454 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 00:05:09,455 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1980757513] [2022-07-21 00:05:09,455 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 00:05:09,455 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 00:05:09,456 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 00:05:09,456 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 00:05:09,456 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 00:05:09,456 INFO L87 Difference]: Start difference. First operand 21919 states and 22794 transitions. Second operand has 3 states, 3 states have (on average 137.33333333333334) internal successors, (412), 3 states have internal predecessors, (412), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:05:10,391 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 00:05:10,391 INFO L93 Difference]: Finished difference Result 46226 states and 48097 transitions. [2022-07-21 00:05:10,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 00:05:10,392 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 137.33333333333334) internal successors, (412), 3 states have internal predecessors, (412), 0 states have call successors, (0), 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 674 [2022-07-21 00:05:10,392 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 00:05:10,418 INFO L225 Difference]: With dead ends: 46226 [2022-07-21 00:05:10,419 INFO L226 Difference]: Without dead ends: 24309 [2022-07-21 00:05:10,434 INFO L412 NwaCegarLoop]: 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 [2022-07-21 00:05:10,435 INFO L413 NwaCegarLoop]: 489 mSDtfsCounter, 212 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 736 mSolverCounterSat, 74 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 212 SdHoareTripleChecker+Valid, 526 SdHoareTripleChecker+Invalid, 810 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 74 IncrementalHoareTripleChecker+Valid, 736 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-07-21 00:05:10,435 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [212 Valid, 526 Invalid, 810 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [74 Valid, 736 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-07-21 00:05:10,449 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24309 states. [2022-07-21 00:05:10,677 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24309 to 23113. [2022-07-21 00:05:10,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23113 states, 23112 states have (on average 1.0358688127379716) internal successors, (23941), 23112 states have internal predecessors, (23941), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:05:10,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23113 states to 23113 states and 23941 transitions. [2022-07-21 00:05:10,715 INFO L78 Accepts]: Start accepts. Automaton has 23113 states and 23941 transitions. Word has length 674 [2022-07-21 00:05:10,716 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 00:05:10,716 INFO L495 AbstractCegarLoop]: Abstraction has 23113 states and 23941 transitions. [2022-07-21 00:05:10,716 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 137.33333333333334) internal successors, (412), 3 states have internal predecessors, (412), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:05:10,716 INFO L276 IsEmpty]: Start isEmpty. Operand 23113 states and 23941 transitions. [2022-07-21 00:05:10,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 675 [2022-07-21 00:05:10,722 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 00:05:10,722 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-07-21 00:05:10,723 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-07-21 00:05:10,723 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 00:05:10,723 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 00:05:10,723 INFO L85 PathProgramCache]: Analyzing trace with hash 1782041418, now seen corresponding path program 1 times [2022-07-21 00:05:10,724 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 00:05:10,724 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [180488997] [2022-07-21 00:05:10,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 00:05:10,724 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 00:05:10,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 00:05:10,965 INFO L134 CoverageAnalysis]: Checked inductivity of 556 backedges. 287 proven. 0 refuted. 0 times theorem prover too weak. 269 trivial. 0 not checked. [2022-07-21 00:05:10,966 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 00:05:10,966 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [180488997] [2022-07-21 00:05:10,966 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [180488997] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 00:05:10,966 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 00:05:10,966 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 00:05:10,966 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1277685446] [2022-07-21 00:05:10,966 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 00:05:10,967 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 00:05:10,967 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 00:05:10,967 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 00:05:10,967 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 00:05:10,968 INFO L87 Difference]: Start difference. First operand 23113 states and 23941 transitions. Second operand has 3 states, 3 states have (on average 135.33333333333334) internal successors, (406), 3 states have internal predecessors, (406), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:05:12,092 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 00:05:12,093 INFO L93 Difference]: Finished difference Result 50730 states and 52524 transitions. [2022-07-21 00:05:12,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 00:05:12,094 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 135.33333333333334) internal successors, (406), 3 states have internal predecessors, (406), 0 states have call successors, (0), 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 674 [2022-07-21 00:05:12,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 00:05:12,124 INFO L225 Difference]: With dead ends: 50730 [2022-07-21 00:05:12,124 INFO L226 Difference]: Without dead ends: 27918 [2022-07-21 00:05:12,140 INFO L412 NwaCegarLoop]: 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 [2022-07-21 00:05:12,141 INFO L413 NwaCegarLoop]: 109 mSDtfsCounter, 255 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 805 mSolverCounterSat, 132 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 255 SdHoareTripleChecker+Valid, 130 SdHoareTripleChecker+Invalid, 937 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 132 IncrementalHoareTripleChecker+Valid, 805 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-07-21 00:05:12,141 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [255 Valid, 130 Invalid, 937 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [132 Valid, 805 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-07-21 00:05:12,156 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27918 states. [2022-07-21 00:05:12,436 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27918 to 24309. [2022-07-21 00:05:12,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24309 states, 24308 states have (on average 1.0348856343590587) internal successors, (25156), 24308 states have internal predecessors, (25156), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:05:12,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24309 states to 24309 states and 25156 transitions. [2022-07-21 00:05:12,477 INFO L78 Accepts]: Start accepts. Automaton has 24309 states and 25156 transitions. Word has length 674 [2022-07-21 00:05:12,477 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 00:05:12,477 INFO L495 AbstractCegarLoop]: Abstraction has 24309 states and 25156 transitions. [2022-07-21 00:05:12,477 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 135.33333333333334) internal successors, (406), 3 states have internal predecessors, (406), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:05:12,477 INFO L276 IsEmpty]: Start isEmpty. Operand 24309 states and 25156 transitions. [2022-07-21 00:05:12,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 681 [2022-07-21 00:05:12,483 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 00:05:12,484 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 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, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 00:05:12,484 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-07-21 00:05:12,484 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 00:05:12,484 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 00:05:12,485 INFO L85 PathProgramCache]: Analyzing trace with hash 2050854719, now seen corresponding path program 1 times [2022-07-21 00:05:12,485 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 00:05:12,485 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1895250903] [2022-07-21 00:05:12,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 00:05:12,485 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 00:05:12,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 00:05:12,703 INFO L134 CoverageAnalysis]: Checked inductivity of 843 backedges. 702 proven. 0 refuted. 0 times theorem prover too weak. 141 trivial. 0 not checked. [2022-07-21 00:05:12,704 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 00:05:12,704 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1895250903] [2022-07-21 00:05:12,704 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1895250903] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 00:05:12,704 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 00:05:12,704 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 00:05:12,704 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1279916663] [2022-07-21 00:05:12,705 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 00:05:12,705 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 00:05:12,705 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 00:05:12,706 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 00:05:12,706 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 00:05:12,706 INFO L87 Difference]: Start difference. First operand 24309 states and 25156 transitions. Second operand has 3 states, 3 states have (on average 180.33333333333334) internal successors, (541), 3 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:05:13,648 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 00:05:13,648 INFO L93 Difference]: Finished difference Result 53113 states and 54955 transitions. [2022-07-21 00:05:13,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 00:05:13,649 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 180.33333333333334) internal successors, (541), 3 states have internal predecessors, (541), 0 states have call successors, (0), 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 680 [2022-07-21 00:05:13,649 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 00:05:13,679 INFO L225 Difference]: With dead ends: 53113 [2022-07-21 00:05:13,679 INFO L226 Difference]: Without dead ends: 29105 [2022-07-21 00:05:13,696 INFO L412 NwaCegarLoop]: 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 [2022-07-21 00:05:13,697 INFO L413 NwaCegarLoop]: 440 mSDtfsCounter, 216 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 748 mSolverCounterSat, 84 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 216 SdHoareTripleChecker+Valid, 472 SdHoareTripleChecker+Invalid, 832 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 84 IncrementalHoareTripleChecker+Valid, 748 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-07-21 00:05:13,697 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [216 Valid, 472 Invalid, 832 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [84 Valid, 748 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-07-21 00:05:13,717 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29105 states. [2022-07-21 00:05:14,074 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29105 to 24608. [2022-07-21 00:05:14,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24608 states, 24607 states have (on average 1.0347868492705328) internal successors, (25463), 24607 states have internal predecessors, (25463), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:05:14,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24608 states to 24608 states and 25463 transitions. [2022-07-21 00:05:14,127 INFO L78 Accepts]: Start accepts. Automaton has 24608 states and 25463 transitions. Word has length 680 [2022-07-21 00:05:14,127 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 00:05:14,128 INFO L495 AbstractCegarLoop]: Abstraction has 24608 states and 25463 transitions. [2022-07-21 00:05:14,128 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 180.33333333333334) internal successors, (541), 3 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:05:14,128 INFO L276 IsEmpty]: Start isEmpty. Operand 24608 states and 25463 transitions. [2022-07-21 00:05:14,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 721 [2022-07-21 00:05:14,136 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 00:05:14,137 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 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, 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, 1, 1, 1] [2022-07-21 00:05:14,137 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-07-21 00:05:14,137 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 00:05:14,137 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 00:05:14,137 INFO L85 PathProgramCache]: Analyzing trace with hash -1817298043, now seen corresponding path program 1 times [2022-07-21 00:05:14,138 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 00:05:14,138 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [586820570] [2022-07-21 00:05:14,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 00:05:14,138 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 00:05:14,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 00:05:14,408 INFO L134 CoverageAnalysis]: Checked inductivity of 849 backedges. 467 proven. 0 refuted. 0 times theorem prover too weak. 382 trivial. 0 not checked. [2022-07-21 00:05:14,409 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 00:05:14,409 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [586820570] [2022-07-21 00:05:14,409 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [586820570] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 00:05:14,409 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 00:05:14,409 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 00:05:14,410 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1471752905] [2022-07-21 00:05:14,410 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 00:05:14,411 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 00:05:14,411 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 00:05:14,411 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 00:05:14,411 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 00:05:14,412 INFO L87 Difference]: Start difference. First operand 24608 states and 25463 transitions. Second operand has 3 states, 3 states have (on average 140.0) internal successors, (420), 3 states have internal predecessors, (420), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:05:15,468 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 00:05:15,468 INFO L93 Difference]: Finished difference Result 51918 states and 53696 transitions. [2022-07-21 00:05:15,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 00:05:15,469 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 140.0) internal successors, (420), 3 states have internal predecessors, (420), 0 states have call successors, (0), 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 720 [2022-07-21 00:05:15,469 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 00:05:15,496 INFO L225 Difference]: With dead ends: 51918 [2022-07-21 00:05:15,496 INFO L226 Difference]: Without dead ends: 27611 [2022-07-21 00:05:15,512 INFO L412 NwaCegarLoop]: 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 [2022-07-21 00:05:15,512 INFO L413 NwaCegarLoop]: 103 mSDtfsCounter, 348 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 790 mSolverCounterSat, 117 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 348 SdHoareTripleChecker+Valid, 122 SdHoareTripleChecker+Invalid, 907 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 117 IncrementalHoareTripleChecker+Valid, 790 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-07-21 00:05:15,513 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [348 Valid, 122 Invalid, 907 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [117 Valid, 790 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-07-21 00:05:15,530 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27611 states. [2022-07-21 00:05:15,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27611 to 23709. [2022-07-21 00:05:15,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23709 states, 23708 states have (on average 1.0346296608739667) internal successors, (24529), 23708 states have internal predecessors, (24529), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:05:15,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23709 states to 23709 states and 24529 transitions. [2022-07-21 00:05:15,734 INFO L78 Accepts]: Start accepts. Automaton has 23709 states and 24529 transitions. Word has length 720 [2022-07-21 00:05:15,734 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 00:05:15,734 INFO L495 AbstractCegarLoop]: Abstraction has 23709 states and 24529 transitions. [2022-07-21 00:05:15,734 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 140.0) internal successors, (420), 3 states have internal predecessors, (420), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:05:15,734 INFO L276 IsEmpty]: Start isEmpty. Operand 23709 states and 24529 transitions. [2022-07-21 00:05:15,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 723 [2022-07-21 00:05:15,739 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 00:05:15,741 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 00:05:15,741 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-07-21 00:05:15,741 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 00:05:15,741 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 00:05:15,741 INFO L85 PathProgramCache]: Analyzing trace with hash -828076575, now seen corresponding path program 1 times [2022-07-21 00:05:15,741 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 00:05:15,741 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1624876313] [2022-07-21 00:05:15,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 00:05:15,742 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 00:05:15,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 00:05:16,108 INFO L134 CoverageAnalysis]: Checked inductivity of 860 backedges. 139 proven. 0 refuted. 0 times theorem prover too weak. 721 trivial. 0 not checked. [2022-07-21 00:05:16,108 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 00:05:16,108 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1624876313] [2022-07-21 00:05:16,108 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1624876313] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 00:05:16,108 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 00:05:16,109 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 00:05:16,109 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1610075494] [2022-07-21 00:05:16,109 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 00:05:16,110 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 00:05:16,110 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 00:05:16,110 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 00:05:16,110 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 00:05:16,111 INFO L87 Difference]: Start difference. First operand 23709 states and 24529 transitions. Second operand has 3 states, 3 states have (on average 104.33333333333333) internal successors, (313), 3 states have internal predecessors, (313), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:05:16,983 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 00:05:16,983 INFO L93 Difference]: Finished difference Result 48607 states and 50289 transitions. [2022-07-21 00:05:16,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 00:05:16,983 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 104.33333333333333) internal successors, (313), 3 states have internal predecessors, (313), 0 states have call successors, (0), 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 722 [2022-07-21 00:05:16,984 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 00:05:17,009 INFO L225 Difference]: With dead ends: 48607 [2022-07-21 00:05:17,009 INFO L226 Difference]: Without dead ends: 24900 [2022-07-21 00:05:17,024 INFO L412 NwaCegarLoop]: 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 [2022-07-21 00:05:17,024 INFO L413 NwaCegarLoop]: 128 mSDtfsCounter, 307 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 769 mSolverCounterSat, 75 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 307 SdHoareTripleChecker+Valid, 160 SdHoareTripleChecker+Invalid, 844 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 75 IncrementalHoareTripleChecker+Valid, 769 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-07-21 00:05:17,025 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [307 Valid, 160 Invalid, 844 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [75 Valid, 769 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-07-21 00:05:17,037 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24900 states. [2022-07-21 00:05:17,190 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24900 to 23704. [2022-07-21 00:05:17,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23704 states, 23703 states have (on average 1.0300805805172342) internal successors, (24416), 23703 states have internal predecessors, (24416), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:05:17,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23704 states to 23704 states and 24416 transitions. [2022-07-21 00:05:17,225 INFO L78 Accepts]: Start accepts. Automaton has 23704 states and 24416 transitions. Word has length 722 [2022-07-21 00:05:17,225 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 00:05:17,225 INFO L495 AbstractCegarLoop]: Abstraction has 23704 states and 24416 transitions. [2022-07-21 00:05:17,225 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 104.33333333333333) internal successors, (313), 3 states have internal predecessors, (313), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:05:17,226 INFO L276 IsEmpty]: Start isEmpty. Operand 23704 states and 24416 transitions. [2022-07-21 00:05:17,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 725 [2022-07-21 00:05:17,232 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 00:05:17,232 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 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, 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, 1] [2022-07-21 00:05:17,233 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-07-21 00:05:17,233 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 00:05:17,233 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 00:05:17,233 INFO L85 PathProgramCache]: Analyzing trace with hash 1158651664, now seen corresponding path program 1 times [2022-07-21 00:05:17,234 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 00:05:17,234 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1836536892] [2022-07-21 00:05:17,234 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 00:05:17,234 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 00:05:17,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 00:05:17,481 INFO L134 CoverageAnalysis]: Checked inductivity of 857 backedges. 518 proven. 0 refuted. 0 times theorem prover too weak. 339 trivial. 0 not checked. [2022-07-21 00:05:17,481 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 00:05:17,481 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1836536892] [2022-07-21 00:05:17,481 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1836536892] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 00:05:17,481 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 00:05:17,481 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-21 00:05:17,481 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1422330893] [2022-07-21 00:05:17,481 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 00:05:17,482 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-21 00:05:17,482 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 00:05:17,482 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-21 00:05:17,482 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-07-21 00:05:17,483 INFO L87 Difference]: Start difference. First operand 23704 states and 24416 transitions. Second operand has 4 states, 4 states have (on average 115.5) internal successors, (462), 4 states have internal predecessors, (462), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:05:18,997 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 00:05:18,997 INFO L93 Difference]: Finished difference Result 53703 states and 55310 transitions. [2022-07-21 00:05:18,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-21 00:05:18,998 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 115.5) internal successors, (462), 4 states have internal predecessors, (462), 0 states have call successors, (0), 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 724 [2022-07-21 00:05:18,998 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 00:05:19,031 INFO L225 Difference]: With dead ends: 53703 [2022-07-21 00:05:19,031 INFO L226 Difference]: Without dead ends: 30300 [2022-07-21 00:05:19,044 INFO L412 NwaCegarLoop]: 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 [2022-07-21 00:05:19,045 INFO L413 NwaCegarLoop]: 78 mSDtfsCounter, 514 mSDsluCounter, 58 mSDsCounter, 0 mSdLazyCounter, 1513 mSolverCounterSat, 156 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 514 SdHoareTripleChecker+Valid, 136 SdHoareTripleChecker+Invalid, 1669 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 156 IncrementalHoareTripleChecker+Valid, 1513 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-07-21 00:05:19,045 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [514 Valid, 136 Invalid, 1669 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [156 Valid, 1513 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-07-21 00:05:19,066 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30300 states. [2022-07-21 00:05:19,286 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30300 to 28503. [2022-07-21 00:05:19,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28503 states, 28502 states have (on average 1.0300329801417445) internal successors, (29358), 28502 states have internal predecessors, (29358), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:05:19,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28503 states to 28503 states and 29358 transitions. [2022-07-21 00:05:19,336 INFO L78 Accepts]: Start accepts. Automaton has 28503 states and 29358 transitions. Word has length 724 [2022-07-21 00:05:19,336 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 00:05:19,337 INFO L495 AbstractCegarLoop]: Abstraction has 28503 states and 29358 transitions. [2022-07-21 00:05:19,337 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 115.5) internal successors, (462), 4 states have internal predecessors, (462), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:05:19,337 INFO L276 IsEmpty]: Start isEmpty. Operand 28503 states and 29358 transitions. [2022-07-21 00:05:19,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 820 [2022-07-21 00:05:19,346 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 00:05:19,347 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 00:05:19,347 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-07-21 00:05:19,347 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 00:05:19,347 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 00:05:19,347 INFO L85 PathProgramCache]: Analyzing trace with hash -698909278, now seen corresponding path program 1 times [2022-07-21 00:05:19,348 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 00:05:19,348 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [768735091] [2022-07-21 00:05:19,348 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 00:05:19,348 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 00:05:19,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 00:05:19,582 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 514 proven. 0 refuted. 0 times theorem prover too weak. 498 trivial. 0 not checked. [2022-07-21 00:05:19,582 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 00:05:19,582 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [768735091] [2022-07-21 00:05:19,582 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [768735091] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 00:05:19,582 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 00:05:19,583 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 00:05:19,583 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [372224538] [2022-07-21 00:05:19,583 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 00:05:19,583 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 00:05:19,583 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 00:05:19,584 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 00:05:19,584 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 00:05:19,584 INFO L87 Difference]: Start difference. First operand 28503 states and 29358 transitions. Second operand has 3 states, 3 states have (on average 143.33333333333334) internal successors, (430), 3 states have internal predecessors, (430), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:05:20,420 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 00:05:20,420 INFO L93 Difference]: Finished difference Result 44397 states and 45651 transitions. [2022-07-21 00:05:20,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 00:05:20,421 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 143.33333333333334) internal successors, (430), 3 states have internal predecessors, (430), 0 states have call successors, (0), 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 819 [2022-07-21 00:05:20,421 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 00:05:20,436 INFO L225 Difference]: With dead ends: 44397 [2022-07-21 00:05:20,436 INFO L226 Difference]: Without dead ends: 16195 [2022-07-21 00:05:20,449 INFO L412 NwaCegarLoop]: 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 [2022-07-21 00:05:20,449 INFO L413 NwaCegarLoop]: 383 mSDtfsCounter, 312 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 682 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 312 SdHoareTripleChecker+Valid, 403 SdHoareTripleChecker+Invalid, 710 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 682 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-07-21 00:05:20,450 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [312 Valid, 403 Invalid, 710 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 682 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-07-21 00:05:20,459 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16195 states. [2022-07-21 00:05:20,566 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16195 to 13801. [2022-07-21 00:05:20,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13801 states, 13800 states have (on average 1.0230434782608695) internal successors, (14118), 13800 states have internal predecessors, (14118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:05:20,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13801 states to 13801 states and 14118 transitions. [2022-07-21 00:05:20,590 INFO L78 Accepts]: Start accepts. Automaton has 13801 states and 14118 transitions. Word has length 819 [2022-07-21 00:05:20,591 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 00:05:20,591 INFO L495 AbstractCegarLoop]: Abstraction has 13801 states and 14118 transitions. [2022-07-21 00:05:20,591 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 143.33333333333334) internal successors, (430), 3 states have internal predecessors, (430), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:05:20,591 INFO L276 IsEmpty]: Start isEmpty. Operand 13801 states and 14118 transitions. [2022-07-21 00:05:20,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 948 [2022-07-21 00:05:20,604 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 00:05:20,604 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 00:05:20,604 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2022-07-21 00:05:20,604 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 00:05:20,604 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 00:05:20,605 INFO L85 PathProgramCache]: Analyzing trace with hash -1776582564, now seen corresponding path program 1 times [2022-07-21 00:05:20,605 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 00:05:20,605 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1870771596] [2022-07-21 00:05:20,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 00:05:20,605 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 00:05:20,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 00:05:20,952 INFO L134 CoverageAnalysis]: Checked inductivity of 1549 backedges. 947 proven. 0 refuted. 0 times theorem prover too weak. 602 trivial. 0 not checked. [2022-07-21 00:05:20,953 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 00:05:20,953 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1870771596] [2022-07-21 00:05:20,953 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1870771596] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 00:05:20,953 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 00:05:20,953 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-21 00:05:20,953 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [122343020] [2022-07-21 00:05:20,954 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 00:05:20,954 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-21 00:05:20,954 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 00:05:20,955 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-21 00:05:20,955 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-07-21 00:05:20,955 INFO L87 Difference]: Start difference. First operand 13801 states and 14118 transitions. Second operand has 4 states, 4 states have (on average 116.75) internal successors, (467), 4 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:05:22,131 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 00:05:22,131 INFO L93 Difference]: Finished difference Result 17100 states and 17481 transitions. [2022-07-21 00:05:22,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-21 00:05:22,131 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 116.75) internal successors, (467), 4 states have internal predecessors, (467), 0 states have call successors, (0), 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 947 [2022-07-21 00:05:22,132 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 00:05:22,149 INFO L225 Difference]: With dead ends: 17100 [2022-07-21 00:05:22,150 INFO L226 Difference]: Without dead ends: 17098 [2022-07-21 00:05:22,155 INFO L412 NwaCegarLoop]: 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 [2022-07-21 00:05:22,156 INFO L413 NwaCegarLoop]: 32 mSDtfsCounter, 474 mSDsluCounter, 31 mSDsCounter, 0 mSdLazyCounter, 1378 mSolverCounterSat, 62 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 474 SdHoareTripleChecker+Valid, 63 SdHoareTripleChecker+Invalid, 1440 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 62 IncrementalHoareTripleChecker+Valid, 1378 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-07-21 00:05:22,157 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [474 Valid, 63 Invalid, 1440 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [62 Valid, 1378 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-07-21 00:05:22,169 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17098 states. [2022-07-21 00:05:22,278 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17098 to 11701. [2022-07-21 00:05:22,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11701 states, 11700 states have (on average 1.0231623931623932) internal successors, (11971), 11700 states have internal predecessors, (11971), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:05:22,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11701 states to 11701 states and 11971 transitions. [2022-07-21 00:05:22,298 INFO L78 Accepts]: Start accepts. Automaton has 11701 states and 11971 transitions. Word has length 947 [2022-07-21 00:05:22,299 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 00:05:22,299 INFO L495 AbstractCegarLoop]: Abstraction has 11701 states and 11971 transitions. [2022-07-21 00:05:22,299 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 116.75) internal successors, (467), 4 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:05:22,299 INFO L276 IsEmpty]: Start isEmpty. Operand 11701 states and 11971 transitions. [2022-07-21 00:05:22,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1034 [2022-07-21 00:05:22,344 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 00:05:22,345 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 00:05:22,345 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2022-07-21 00:05:22,345 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 00:05:22,346 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 00:05:22,346 INFO L85 PathProgramCache]: Analyzing trace with hash 1310312419, now seen corresponding path program 1 times [2022-07-21 00:05:22,346 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 00:05:22,346 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1415388236] [2022-07-21 00:05:22,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 00:05:22,346 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 00:05:22,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 00:05:22,805 INFO L134 CoverageAnalysis]: Checked inductivity of 1876 backedges. 35 proven. 746 refuted. 0 times theorem prover too weak. 1095 trivial. 0 not checked. [2022-07-21 00:05:22,806 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 00:05:22,806 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1415388236] [2022-07-21 00:05:22,806 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1415388236] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-21 00:05:22,806 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2104503340] [2022-07-21 00:05:22,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 00:05:22,807 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-21 00:05:22,807 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 00:05:22,808 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) [2022-07-21 00:05:22,810 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-07-21 00:05:23,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 00:05:23,116 INFO L263 TraceCheckSpWp]: Trace formula consists of 1203 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-21 00:05:23,133 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 00:05:33,381 INFO L134 CoverageAnalysis]: Checked inductivity of 1876 backedges. 35 proven. 746 refuted. 0 times theorem prover too weak. 1095 trivial. 0 not checked. [2022-07-21 00:05:33,381 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-21 00:05:34,997 INFO L134 CoverageAnalysis]: Checked inductivity of 1876 backedges. 35 proven. 746 refuted. 0 times theorem prover too weak. 1095 trivial. 0 not checked. [2022-07-21 00:05:34,998 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2104503340] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-21 00:05:34,998 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-21 00:05:34,998 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 9 [2022-07-21 00:05:34,998 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1184406085] [2022-07-21 00:05:34,998 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-21 00:05:35,000 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-07-21 00:05:35,000 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 00:05:35,001 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-07-21 00:05:35,001 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-07-21 00:05:35,001 INFO L87 Difference]: Start difference. First operand 11701 states and 11971 transitions. Second operand has 10 states, 10 states have (on average 111.3) internal successors, (1113), 9 states have internal predecessors, (1113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:05:37,031 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 00:05:37,031 INFO L93 Difference]: Finished difference Result 18863 states and 19289 transitions. [2022-07-21 00:05:37,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-07-21 00:05:37,032 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 111.3) internal successors, (1113), 9 states have internal predecessors, (1113), 0 states have call successors, (0), 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 1033 [2022-07-21 00:05:37,033 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 00:05:37,054 INFO L225 Difference]: With dead ends: 18863 [2022-07-21 00:05:37,054 INFO L226 Difference]: Without dead ends: 18861 [2022-07-21 00:05:37,058 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2080 GetRequests, 2063 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=114, Invalid=228, Unknown=0, NotChecked=0, Total=342 [2022-07-21 00:05:37,059 INFO L413 NwaCegarLoop]: 40 mSDtfsCounter, 939 mSDsluCounter, 115 mSDsCounter, 0 mSdLazyCounter, 1477 mSolverCounterSat, 180 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 939 SdHoareTripleChecker+Valid, 155 SdHoareTripleChecker+Invalid, 2367 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 180 IncrementalHoareTripleChecker+Valid, 1477 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 710 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-07-21 00:05:37,059 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [939 Valid, 155 Invalid, 2367 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [180 Valid, 1477 Invalid, 0 Unknown, 710 Unchecked, 1.7s Time] [2022-07-21 00:05:37,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18861 states. [2022-07-21 00:05:37,224 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18861 to 12337. [2022-07-21 00:05:37,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12337 states, 12336 states have (on average 1.0226977950713358) internal successors, (12616), 12336 states have internal predecessors, (12616), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:05:37,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12337 states to 12337 states and 12616 transitions. [2022-07-21 00:05:37,250 INFO L78 Accepts]: Start accepts. Automaton has 12337 states and 12616 transitions. Word has length 1033 [2022-07-21 00:05:37,251 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 00:05:37,251 INFO L495 AbstractCegarLoop]: Abstraction has 12337 states and 12616 transitions. [2022-07-21 00:05:37,251 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 111.3) internal successors, (1113), 9 states have internal predecessors, (1113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:05:37,251 INFO L276 IsEmpty]: Start isEmpty. Operand 12337 states and 12616 transitions. [2022-07-21 00:05:37,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1258 [2022-07-21 00:05:37,265 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 00:05:37,266 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 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, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 00:05:37,285 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2022-07-21 00:05:37,466 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2022-07-21 00:05:37,467 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 00:05:37,467 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 00:05:37,468 INFO L85 PathProgramCache]: Analyzing trace with hash -893756140, now seen corresponding path program 1 times [2022-07-21 00:05:37,468 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 00:05:37,468 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [444637379] [2022-07-21 00:05:37,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 00:05:37,468 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 00:05:37,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 00:05:37,972 INFO L134 CoverageAnalysis]: Checked inductivity of 2507 backedges. 1361 proven. 770 refuted. 0 times theorem prover too weak. 376 trivial. 0 not checked. [2022-07-21 00:05:37,973 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 00:05:37,973 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [444637379] [2022-07-21 00:05:37,973 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [444637379] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-21 00:05:37,973 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1000479513] [2022-07-21 00:05:37,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 00:05:37,974 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-21 00:05:37,974 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 00:05:37,975 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) [2022-07-21 00:05:37,981 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-07-21 00:05:38,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 00:05:38,350 INFO L263 TraceCheckSpWp]: Trace formula consists of 1462 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-21 00:05:38,361 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 00:05:38,635 INFO L134 CoverageAnalysis]: Checked inductivity of 2507 backedges. 1630 proven. 0 refuted. 0 times theorem prover too weak. 877 trivial. 0 not checked. [2022-07-21 00:05:38,636 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 00:05:38,636 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1000479513] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 00:05:38,636 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-21 00:05:38,636 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2022-07-21 00:05:38,636 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [160329154] [2022-07-21 00:05:38,637 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 00:05:38,637 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 00:05:38,638 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 00:05:38,638 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 00:05:38,638 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-07-21 00:05:38,639 INFO L87 Difference]: Start difference. First operand 12337 states and 12616 transitions. Second operand has 3 states, 3 states have (on average 241.0) internal successors, (723), 3 states have internal predecessors, (723), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:05:39,372 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 00:05:39,372 INFO L93 Difference]: Finished difference Result 22871 states and 23388 transitions. [2022-07-21 00:05:39,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 00:05:39,373 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 241.0) internal successors, (723), 3 states have internal predecessors, (723), 0 states have call successors, (0), 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 1257 [2022-07-21 00:05:39,373 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 00:05:39,383 INFO L225 Difference]: With dead ends: 22871 [2022-07-21 00:05:39,383 INFO L226 Difference]: Without dead ends: 10835 [2022-07-21 00:05:39,390 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1262 GetRequests, 1257 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-07-21 00:05:39,391 INFO L413 NwaCegarLoop]: 384 mSDtfsCounter, 23 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 676 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 399 SdHoareTripleChecker+Invalid, 712 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 676 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-07-21 00:05:39,391 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 399 Invalid, 712 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 676 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-07-21 00:05:39,399 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10835 states. [2022-07-21 00:05:39,482 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10835 to 10237. [2022-07-21 00:05:39,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10237 states, 10236 states have (on average 1.0155334114888628) internal successors, (10395), 10236 states have internal predecessors, (10395), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:05:39,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10237 states to 10237 states and 10395 transitions. [2022-07-21 00:05:39,501 INFO L78 Accepts]: Start accepts. Automaton has 10237 states and 10395 transitions. Word has length 1257 [2022-07-21 00:05:39,502 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 00:05:39,502 INFO L495 AbstractCegarLoop]: Abstraction has 10237 states and 10395 transitions. [2022-07-21 00:05:39,502 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 241.0) internal successors, (723), 3 states have internal predecessors, (723), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:05:39,502 INFO L276 IsEmpty]: Start isEmpty. Operand 10237 states and 10395 transitions. [2022-07-21 00:05:39,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1333 [2022-07-21 00:05:39,518 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 00:05:39,519 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 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, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 00:05:39,545 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-07-21 00:05:39,735 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-21 00:05:39,736 INFO L420 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 00:05:39,736 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 00:05:39,736 INFO L85 PathProgramCache]: Analyzing trace with hash -824676844, now seen corresponding path program 1 times [2022-07-21 00:05:39,736 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 00:05:39,736 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1426870087] [2022-07-21 00:05:39,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 00:05:39,737 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 00:05:39,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 00:05:40,302 INFO L134 CoverageAnalysis]: Checked inductivity of 2906 backedges. 1169 proven. 35 refuted. 0 times theorem prover too weak. 1702 trivial. 0 not checked. [2022-07-21 00:05:40,302 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 00:05:40,303 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1426870087] [2022-07-21 00:05:40,303 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1426870087] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-21 00:05:40,303 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1004183000] [2022-07-21 00:05:40,303 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 00:05:40,303 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-21 00:05:40,304 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 00:05:40,305 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) [2022-07-21 00:05:40,331 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-07-21 00:05:40,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 00:05:40,661 INFO L263 TraceCheckSpWp]: Trace formula consists of 1521 conjuncts, 7 conjunts are in the unsatisfiable core [2022-07-21 00:05:40,670 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 00:05:42,708 INFO L134 CoverageAnalysis]: Checked inductivity of 2906 backedges. 1169 proven. 35 refuted. 0 times theorem prover too weak. 1702 trivial. 0 not checked. [2022-07-21 00:05:42,708 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-21 00:05:46,191 INFO L134 CoverageAnalysis]: Checked inductivity of 2906 backedges. 1169 proven. 35 refuted. 0 times theorem prover too weak. 1702 trivial. 0 not checked. [2022-07-21 00:05:46,192 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1004183000] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-21 00:05:46,192 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-21 00:05:46,192 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 4 [2022-07-21 00:05:46,193 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [997145322] [2022-07-21 00:05:46,193 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-21 00:05:46,194 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-21 00:05:46,194 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 00:05:46,194 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-21 00:05:46,194 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-21 00:05:46,195 INFO L87 Difference]: Start difference. First operand 10237 states and 10395 transitions. Second operand has 4 states, 4 states have (on average 152.75) internal successors, (611), 4 states have internal predecessors, (611), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:05:47,185 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 00:05:47,186 INFO L93 Difference]: Finished difference Result 10608 states and 10768 transitions. [2022-07-21 00:05:47,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-21 00:05:47,186 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 152.75) internal successors, (611), 4 states have internal predecessors, (611), 0 states have call successors, (0), 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 1332 [2022-07-21 00:05:47,187 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 00:05:47,188 INFO L225 Difference]: With dead ends: 10608 [2022-07-21 00:05:47,188 INFO L226 Difference]: Without dead ends: 0 [2022-07-21 00:05:47,192 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2668 GetRequests, 2663 SyntacticMatches, 2 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-21 00:05:47,193 INFO L413 NwaCegarLoop]: 24 mSDtfsCounter, 303 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 1070 mSolverCounterSat, 81 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 303 SdHoareTripleChecker+Valid, 44 SdHoareTripleChecker+Invalid, 1151 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 81 IncrementalHoareTripleChecker+Valid, 1070 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-07-21 00:05:47,193 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [303 Valid, 44 Invalid, 1151 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [81 Valid, 1070 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-07-21 00:05:47,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-07-21 00:05:47,194 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-07-21 00:05:47,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:05:47,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-07-21 00:05:47,195 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 1332 [2022-07-21 00:05:47,195 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 00:05:47,195 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-21 00:05:47,195 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 152.75) internal successors, (611), 4 states have internal predecessors, (611), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 00:05:47,196 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-07-21 00:05:47,196 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-07-21 00:05:47,198 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-07-21 00:05:47,217 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-07-21 00:05:47,403 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-21 00:05:47,405 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-07-21 00:06:04,937 INFO L899 garLoopResultBuilder]: For program point L630(lines 630 1664) no Hoare annotation was computed. [2022-07-21 00:06:04,937 INFO L899 garLoopResultBuilder]: For program point L1423(lines 1423 1664) no Hoare annotation was computed. [2022-07-21 00:06:04,937 INFO L899 garLoopResultBuilder]: For program point L895(lines 895 1664) no Hoare annotation was computed. [2022-07-21 00:06:04,937 INFO L899 garLoopResultBuilder]: For program point L1688(lines 1688 1766) no Hoare annotation was computed. [2022-07-21 00:06:04,938 INFO L899 garLoopResultBuilder]: For program point L1160(lines 1160 1664) no Hoare annotation was computed. [2022-07-21 00:06:04,938 INFO L899 garLoopResultBuilder]: For program point L103-1(lines 33 1666) no Hoare annotation was computed. [2022-07-21 00:06:04,938 INFO L899 garLoopResultBuilder]: For program point L896(lines 896 904) no Hoare annotation was computed. [2022-07-21 00:06:04,938 INFO L899 garLoopResultBuilder]: For program point L896-2(lines 896 904) no Hoare annotation was computed. [2022-07-21 00:06:04,938 INFO L899 garLoopResultBuilder]: For program point L764(lines 764 1664) no Hoare annotation was computed. [2022-07-21 00:06:04,938 INFO L899 garLoopResultBuilder]: For program point L1557(lines 1557 1664) no Hoare annotation was computed. [2022-07-21 00:06:04,938 INFO L899 garLoopResultBuilder]: For program point L1293(lines 1293 1664) no Hoare annotation was computed. [2022-07-21 00:06:04,938 INFO L899 garLoopResultBuilder]: For program point L104(line 104) no Hoare annotation was computed. [2022-07-21 00:06:04,938 INFO L899 garLoopResultBuilder]: For program point L1029(lines 1029 1664) no Hoare annotation was computed. [2022-07-21 00:06:04,938 INFO L899 garLoopResultBuilder]: For program point L501(lines 501 1664) no Hoare annotation was computed. [2022-07-21 00:06:04,938 INFO L899 garLoopResultBuilder]: For program point L106-1(lines 33 1666) no Hoare annotation was computed. [2022-07-21 00:06:04,938 INFO L899 garLoopResultBuilder]: For program point L371(lines 371 1664) no Hoare annotation was computed. [2022-07-21 00:06:04,938 INFO L899 garLoopResultBuilder]: For program point L239(lines 239 1664) no Hoare annotation was computed. [2022-07-21 00:06:04,938 INFO L899 garLoopResultBuilder]: For program point L107(line 107) no Hoare annotation was computed. [2022-07-21 00:06:04,938 INFO L899 garLoopResultBuilder]: For program point L1429(lines 1429 1664) no Hoare annotation was computed. [2022-07-21 00:06:04,938 INFO L899 garLoopResultBuilder]: For program point L637(lines 637 1664) no Hoare annotation was computed. [2022-07-21 00:06:04,939 INFO L899 garLoopResultBuilder]: For program point L1430(lines 1430 1440) no Hoare annotation was computed. [2022-07-21 00:06:04,939 INFO L899 garLoopResultBuilder]: For program point L1430-2(lines 1430 1440) no Hoare annotation was computed. [2022-07-21 00:06:04,939 INFO L899 garLoopResultBuilder]: For program point L1166(lines 1166 1664) no Hoare annotation was computed. [2022-07-21 00:06:04,939 INFO L899 garLoopResultBuilder]: For program point L109-1(lines 33 1666) no Hoare annotation was computed. [2022-07-21 00:06:04,939 INFO L899 garLoopResultBuilder]: For program point L1695(lines 1695 1766) no Hoare annotation was computed. [2022-07-21 00:06:04,939 INFO L899 garLoopResultBuilder]: For program point L1299(lines 1299 1664) no Hoare annotation was computed. [2022-07-21 00:06:04,939 INFO L899 garLoopResultBuilder]: For program point L110(line 110) no Hoare annotation was computed. [2022-07-21 00:06:04,939 INFO L899 garLoopResultBuilder]: For program point L771(lines 771 1664) no Hoare annotation was computed. [2022-07-21 00:06:04,940 INFO L899 garLoopResultBuilder]: For program point L1696(lines 1696 1703) no Hoare annotation was computed. [2022-07-21 00:06:04,940 INFO L899 garLoopResultBuilder]: For program point L1696-2(lines 1696 1703) no Hoare annotation was computed. [2022-07-21 00:06:04,940 INFO L899 garLoopResultBuilder]: For program point L1564(lines 1564 1664) no Hoare annotation was computed. [2022-07-21 00:06:04,940 INFO L899 garLoopResultBuilder]: For program point L507(lines 507 1664) no Hoare annotation was computed. [2022-07-21 00:06:04,940 INFO L899 garLoopResultBuilder]: For program point L1300(lines 1300 1309) no Hoare annotation was computed. [2022-07-21 00:06:04,940 INFO L899 garLoopResultBuilder]: For program point L1300-2(lines 1300 1309) no Hoare annotation was computed. [2022-07-21 00:06:04,940 INFO L899 garLoopResultBuilder]: For program point L1036(lines 1036 1664) no Hoare annotation was computed. [2022-07-21 00:06:04,940 INFO L899 garLoopResultBuilder]: For program point L244(lines 244 1664) no Hoare annotation was computed. [2022-07-21 00:06:04,941 INFO L899 garLoopResultBuilder]: For program point L112-1(lines 33 1666) no Hoare annotation was computed. [2022-07-21 00:06:04,941 INFO L899 garLoopResultBuilder]: For program point L905(lines 905 1664) no Hoare annotation was computed. [2022-07-21 00:06:04,941 INFO L899 garLoopResultBuilder]: For program point L377(lines 377 1664) no Hoare annotation was computed. [2022-07-21 00:06:04,941 INFO L899 garLoopResultBuilder]: For program point L113(line 113) no Hoare annotation was computed. [2022-07-21 00:06:04,941 INFO L899 garLoopResultBuilder]: For program point L1172(lines 1172 1664) no Hoare annotation was computed. [2022-07-21 00:06:04,941 INFO L899 garLoopResultBuilder]: For program point L115-1(lines 33 1666) no Hoare annotation was computed. [2022-07-21 00:06:04,941 INFO L899 garLoopResultBuilder]: For program point L1040(lines 1040 1664) no Hoare annotation was computed. [2022-07-21 00:06:04,941 INFO L899 garLoopResultBuilder]: For program point L644(lines 644 1664) no Hoare annotation was computed. [2022-07-21 00:06:04,942 INFO L899 garLoopResultBuilder]: For program point L1569(lines 1569 1664) no Hoare annotation was computed. [2022-07-21 00:06:04,942 INFO L899 garLoopResultBuilder]: For program point L512(lines 512 1664) no Hoare annotation was computed. [2022-07-21 00:06:04,942 INFO L899 garLoopResultBuilder]: For program point L116(line 116) no Hoare annotation was computed. [2022-07-21 00:06:04,942 INFO L899 garLoopResultBuilder]: For program point L778(lines 778 1664) no Hoare annotation was computed. [2022-07-21 00:06:04,942 INFO L899 garLoopResultBuilder]: For program point L118-1(lines 33 1666) no Hoare annotation was computed. [2022-07-21 00:06:04,942 INFO L899 garLoopResultBuilder]: For program point L911(lines 911 1664) no Hoare annotation was computed. [2022-07-21 00:06:04,942 INFO L899 garLoopResultBuilder]: For program point L1704(lines 1704 1766) no Hoare annotation was computed. [2022-07-21 00:06:04,942 INFO L899 garLoopResultBuilder]: For program point L383(lines 383 1664) no Hoare annotation was computed. [2022-07-21 00:06:04,943 INFO L899 garLoopResultBuilder]: For program point L251(lines 251 1664) no Hoare annotation was computed. [2022-07-21 00:06:04,943 INFO L899 garLoopResultBuilder]: For program point L119(line 119) no Hoare annotation was computed. [2022-07-21 00:06:04,943 INFO L899 garLoopResultBuilder]: For program point L1441(lines 1441 1664) no Hoare annotation was computed. [2022-07-21 00:06:04,943 INFO L899 garLoopResultBuilder]: For program point L1045(lines 1045 1664) no Hoare annotation was computed. [2022-07-21 00:06:04,943 INFO L899 garLoopResultBuilder]: For program point L517(lines 517 1664) no Hoare annotation was computed. [2022-07-21 00:06:04,943 INFO L899 garLoopResultBuilder]: For program point L1310(lines 1310 1664) no Hoare annotation was computed. [2022-07-21 00:06:04,943 INFO L899 garLoopResultBuilder]: For program point L1178(lines 1178 1664) no Hoare annotation was computed. [2022-07-21 00:06:04,944 INFO L899 garLoopResultBuilder]: For program point L121-1(lines 33 1666) no Hoare annotation was computed. [2022-07-21 00:06:04,944 INFO L899 garLoopResultBuilder]: For program point L122(line 122) no Hoare annotation was computed. [2022-07-21 00:06:04,944 INFO L899 garLoopResultBuilder]: For program point L651(lines 651 1664) no Hoare annotation was computed. [2022-07-21 00:06:04,944 INFO L899 garLoopResultBuilder]: For program point L1576(lines 1576 1664) no Hoare annotation was computed. [2022-07-21 00:06:04,944 INFO L899 garLoopResultBuilder]: For program point L1048(lines 1048 1664) no Hoare annotation was computed. [2022-07-21 00:06:04,944 INFO L899 garLoopResultBuilder]: For program point L784(lines 784 1664) no Hoare annotation was computed. [2022-07-21 00:06:04,944 INFO L899 garLoopResultBuilder]: For program point L652(lines 652 661) no Hoare annotation was computed. [2022-07-21 00:06:04,944 INFO L899 garLoopResultBuilder]: For program point L652-2(lines 652 661) no Hoare annotation was computed. [2022-07-21 00:06:04,944 INFO L899 garLoopResultBuilder]: For program point L124-1(lines 33 1666) no Hoare annotation was computed. [2022-07-21 00:06:04,944 INFO L899 garLoopResultBuilder]: For program point L917(lines 917 1664) no Hoare annotation was computed. [2022-07-21 00:06:04,944 INFO L899 garLoopResultBuilder]: For program point L257(lines 257 1664) no Hoare annotation was computed. [2022-07-21 00:06:04,944 INFO L899 garLoopResultBuilder]: For program point L1182(lines 1182 1664) no Hoare annotation was computed. [2022-07-21 00:06:04,945 INFO L899 garLoopResultBuilder]: For program point L125(line 125) no Hoare annotation was computed. [2022-07-21 00:06:04,945 INFO L899 garLoopResultBuilder]: For program point L1711(lines 1711 1766) no Hoare annotation was computed. [2022-07-21 00:06:04,945 INFO L899 garLoopResultBuilder]: For program point L390(lines 390 1664) no Hoare annotation was computed. [2022-07-21 00:06:04,945 INFO L899 garLoopResultBuilder]: For program point L1580(lines 1580 1664) no Hoare annotation was computed. [2022-07-21 00:06:04,945 INFO L899 garLoopResultBuilder]: For program point L1448(lines 1448 1664) no Hoare annotation was computed. [2022-07-21 00:06:04,945 INFO L899 garLoopResultBuilder]: For program point L1316(lines 1316 1664) no Hoare annotation was computed. [2022-07-21 00:06:04,945 INFO L899 garLoopResultBuilder]: For program point L127-1(lines 33 1666) no Hoare annotation was computed. [2022-07-21 00:06:04,945 INFO L899 garLoopResultBuilder]: For program point L1581(lines 1581 1591) no Hoare annotation was computed. [2022-07-21 00:06:04,946 INFO L899 garLoopResultBuilder]: For program point L524(lines 524 1664) no Hoare annotation was computed. [2022-07-21 00:06:04,946 INFO L899 garLoopResultBuilder]: For program point L1581-2(lines 1581 1591) no Hoare annotation was computed. [2022-07-21 00:06:04,946 INFO L899 garLoopResultBuilder]: For program point L1449(lines 1449 1458) no Hoare annotation was computed. [2022-07-21 00:06:04,946 INFO L899 garLoopResultBuilder]: For program point L1449-2(lines 1449 1458) no Hoare annotation was computed. [2022-07-21 00:06:04,946 INFO L899 garLoopResultBuilder]: For program point L128(line 128) no Hoare annotation was computed. [2022-07-21 00:06:04,946 INFO L899 garLoopResultBuilder]: For program point L789(lines 789 1664) no Hoare annotation was computed. [2022-07-21 00:06:04,946 INFO L899 garLoopResultBuilder]: For program point L1054(lines 1054 1664) no Hoare annotation was computed. [2022-07-21 00:06:04,947 INFO L899 garLoopResultBuilder]: For program point L922(lines 922 1664) no Hoare annotation was computed. [2022-07-21 00:06:04,947 INFO L899 garLoopResultBuilder]: For program point L394(lines 394 1664) no Hoare annotation was computed. [2022-07-21 00:06:04,947 INFO L899 garLoopResultBuilder]: For program point L130-1(lines 33 1666) no Hoare annotation was computed. [2022-07-21 00:06:04,947 INFO L899 garLoopResultBuilder]: For program point L1716(lines 1716 1766) no Hoare annotation was computed. [2022-07-21 00:06:04,947 INFO L899 garLoopResultBuilder]: For program point L263(lines 263 1664) no Hoare annotation was computed. [2022-07-21 00:06:04,947 INFO L899 garLoopResultBuilder]: For program point L1188(lines 1188 1664) no Hoare annotation was computed. [2022-07-21 00:06:04,947 INFO L899 garLoopResultBuilder]: For program point L131(line 131) no Hoare annotation was computed. [2022-07-21 00:06:04,947 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-07-21 00:06:04,948 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 128) no Hoare annotation was computed. [2022-07-21 00:06:04,948 INFO L899 garLoopResultBuilder]: For program point L133-1(lines 33 1666) no Hoare annotation was computed. [2022-07-21 00:06:04,948 INFO L899 garLoopResultBuilder]: For program point L1719(lines 1719 1766) no Hoare annotation was computed. [2022-07-21 00:06:04,948 INFO L899 garLoopResultBuilder]: For program point L662(lines 662 1664) no Hoare annotation was computed. [2022-07-21 00:06:04,948 INFO L899 garLoopResultBuilder]: For program point L530(lines 530 1664) no Hoare annotation was computed. [2022-07-21 00:06:04,948 INFO L899 garLoopResultBuilder]: For program point L1323(lines 1323 1664) no Hoare annotation was computed. [2022-07-21 00:06:04,948 INFO L899 garLoopResultBuilder]: For program point L134(line 134) no Hoare annotation was computed. [2022-07-21 00:06:04,948 INFO L899 garLoopResultBuilder]: For program point L1059(lines 1059 1664) no Hoare annotation was computed. [2022-07-21 00:06:04,949 INFO L899 garLoopResultBuilder]: For program point L1720(lines 1720 1731) no Hoare annotation was computed. [2022-07-21 00:06:04,949 INFO L899 garLoopResultBuilder]: For program point L1720-2(lines 1720 1731) no Hoare annotation was computed. [2022-07-21 00:06:04,949 INFO L899 garLoopResultBuilder]: For program point L531(lines 531 538) no Hoare annotation was computed. [2022-07-21 00:06:04,949 INFO L899 garLoopResultBuilder]: For program point L531-2(lines 531 538) no Hoare annotation was computed. [2022-07-21 00:06:04,949 INFO L899 garLoopResultBuilder]: For program point L1060(lines 1060 1071) no Hoare annotation was computed. [2022-07-21 00:06:04,949 INFO L899 garLoopResultBuilder]: For program point L1060-2(lines 1060 1071) no Hoare annotation was computed. [2022-07-21 00:06:04,949 INFO L899 garLoopResultBuilder]: For program point L796(lines 796 1664) no Hoare annotation was computed. [2022-07-21 00:06:04,950 INFO L899 garLoopResultBuilder]: For program point L400(lines 400 1664) no Hoare annotation was computed. [2022-07-21 00:06:04,950 INFO L899 garLoopResultBuilder]: For program point L136-1(lines 33 1666) no Hoare annotation was computed. [2022-07-21 00:06:04,950 INFO L899 garLoopResultBuilder]: For program point L929(lines 929 1664) no Hoare annotation was computed. [2022-07-21 00:06:04,950 INFO L899 garLoopResultBuilder]: For program point L401(lines 401 412) no Hoare annotation was computed. [2022-07-21 00:06:04,950 INFO L899 garLoopResultBuilder]: For program point L401-2(lines 401 412) no Hoare annotation was computed. [2022-07-21 00:06:04,950 INFO L899 garLoopResultBuilder]: For program point L1194(lines 1194 1664) no Hoare annotation was computed. [2022-07-21 00:06:04,950 INFO L899 garLoopResultBuilder]: For program point L137(line 137) no Hoare annotation was computed. [2022-07-21 00:06:04,950 INFO L899 garLoopResultBuilder]: For program point L1459(lines 1459 1664) no Hoare annotation was computed. [2022-07-21 00:06:04,951 INFO L899 garLoopResultBuilder]: For program point L1327(lines 1327 1664) no Hoare annotation was computed. [2022-07-21 00:06:04,951 INFO L899 garLoopResultBuilder]: For program point L270(lines 270 1664) no Hoare annotation was computed. [2022-07-21 00:06:04,951 INFO L899 garLoopResultBuilder]: For program point L667(lines 667 1664) no Hoare annotation was computed. [2022-07-21 00:06:04,951 INFO L899 garLoopResultBuilder]: For program point L1592(lines 1592 1664) no Hoare annotation was computed. [2022-07-21 00:06:04,951 INFO L899 garLoopResultBuilder]: For program point L139-1(lines 33 1666) no Hoare annotation was computed. [2022-07-21 00:06:04,951 INFO L899 garLoopResultBuilder]: For program point L140(line 140) no Hoare annotation was computed. [2022-07-21 00:06:04,951 INFO L899 garLoopResultBuilder]: For program point L1331(lines 1331 1664) no Hoare annotation was computed. [2022-07-21 00:06:04,951 INFO L899 garLoopResultBuilder]: For program point L142-1(lines 33 1666) no Hoare annotation was computed. [2022-07-21 00:06:04,952 INFO L899 garLoopResultBuilder]: For program point L935(lines 935 1664) no Hoare annotation was computed. [2022-07-21 00:06:04,952 INFO L899 garLoopResultBuilder]: For program point L803(lines 803 1664) no Hoare annotation was computed. [2022-07-21 00:06:04,952 INFO L899 garLoopResultBuilder]: For program point L539(lines 539 1664) no Hoare annotation was computed. [2022-07-21 00:06:04,952 INFO L899 garLoopResultBuilder]: For program point L1332(lines 1332 1342) no Hoare annotation was computed. [2022-07-21 00:06:04,952 INFO L899 garLoopResultBuilder]: For program point L1332-2(lines 1332 1342) no Hoare annotation was computed. [2022-07-21 00:06:04,952 INFO L899 garLoopResultBuilder]: For program point L1200(lines 1200 1664) no Hoare annotation was computed. [2022-07-21 00:06:04,952 INFO L899 garLoopResultBuilder]: For program point L143(line 143) no Hoare annotation was computed. [2022-07-21 00:06:04,952 INFO L899 garLoopResultBuilder]: For program point L804(lines 804 813) no Hoare annotation was computed. [2022-07-21 00:06:04,953 INFO L899 garLoopResultBuilder]: For program point L804-2(lines 804 813) no Hoare annotation was computed. [2022-07-21 00:06:04,953 INFO L899 garLoopResultBuilder]: For program point L672(lines 672 1664) no Hoare annotation was computed. [2022-07-21 00:06:04,953 INFO L899 garLoopResultBuilder]: For program point L540(lines 540 551) no Hoare annotation was computed. [2022-07-21 00:06:04,953 INFO L899 garLoopResultBuilder]: For program point L540-2(lines 540 551) no Hoare annotation was computed. [2022-07-21 00:06:04,953 INFO L899 garLoopResultBuilder]: For program point L276(lines 276 1664) no Hoare annotation was computed. [2022-07-21 00:06:04,953 INFO L899 garLoopResultBuilder]: For program point L1466(lines 1466 1664) no Hoare annotation was computed. [2022-07-21 00:06:04,953 INFO L899 garLoopResultBuilder]: For program point L145-1(lines 33 1666) no Hoare annotation was computed. [2022-07-21 00:06:04,953 INFO L899 garLoopResultBuilder]: For program point L1599(lines 1599 1664) no Hoare annotation was computed. [2022-07-21 00:06:04,954 INFO L899 garLoopResultBuilder]: For program point L146(line 146) no Hoare annotation was computed. [2022-07-21 00:06:04,954 INFO L899 garLoopResultBuilder]: For program point L1732(lines 1732 1766) no Hoare annotation was computed. [2022-07-21 00:06:04,954 INFO L899 garLoopResultBuilder]: For program point L1072(lines 1072 1664) no Hoare annotation was computed. [2022-07-21 00:06:04,954 INFO L899 garLoopResultBuilder]: For program point L940(lines 940 1664) no Hoare annotation was computed. [2022-07-21 00:06:04,954 INFO L899 garLoopResultBuilder]: For program point L148-1(lines 33 1666) no Hoare annotation was computed. [2022-07-21 00:06:04,954 INFO L899 garLoopResultBuilder]: For program point L1073(lines 1073 1083) no Hoare annotation was computed. [2022-07-21 00:06:04,954 INFO L899 garLoopResultBuilder]: For program point L1073-2(lines 1073 1083) no Hoare annotation was computed. [2022-07-21 00:06:04,954 INFO L899 garLoopResultBuilder]: For program point L413(lines 413 1664) no Hoare annotation was computed. [2022-07-21 00:06:04,955 INFO L899 garLoopResultBuilder]: For program point L149(line 149) no Hoare annotation was computed. [2022-07-21 00:06:04,955 INFO L899 garLoopResultBuilder]: For program point L678(lines 678 1664) no Hoare annotation was computed. [2022-07-21 00:06:04,955 INFO L899 garLoopResultBuilder]: For program point L1471(lines 1471 1664) no Hoare annotation was computed. [2022-07-21 00:06:04,955 INFO L899 garLoopResultBuilder]: For program point L1207(lines 1207 1664) no Hoare annotation was computed. [2022-07-21 00:06:04,955 INFO L899 garLoopResultBuilder]: For program point L283(lines 283 1664) no Hoare annotation was computed. [2022-07-21 00:06:04,955 INFO L899 garLoopResultBuilder]: For program point L151-1(lines 33 1666) no Hoare annotation was computed. [2022-07-21 00:06:04,955 INFO L899 garLoopResultBuilder]: For program point L1605(lines 1605 1664) no Hoare annotation was computed. [2022-07-21 00:06:04,955 INFO L899 garLoopResultBuilder]: For program point L152(line 152) no Hoare annotation was computed. [2022-07-21 00:06:04,956 INFO L899 garLoopResultBuilder]: For program point L945(lines 945 1664) no Hoare annotation was computed. [2022-07-21 00:06:04,956 INFO L899 garLoopResultBuilder]: For program point L814(lines 814 1664) no Hoare annotation was computed. [2022-07-21 00:06:04,956 INFO L899 garLoopResultBuilder]: For program point L1739(lines 1739 1766) no Hoare annotation was computed. [2022-07-21 00:06:04,956 INFO L899 garLoopResultBuilder]: For program point L418(lines 418 1664) no Hoare annotation was computed. [2022-07-21 00:06:04,956 INFO L899 garLoopResultBuilder]: For program point L1343(lines 1343 1664) no Hoare annotation was computed. [2022-07-21 00:06:04,956 INFO L899 garLoopResultBuilder]: For program point L154-1(lines 33 1666) no Hoare annotation was computed. [2022-07-21 00:06:04,956 INFO L899 garLoopResultBuilder]: For program point L1476(lines 1476 1664) no Hoare annotation was computed. [2022-07-21 00:06:04,956 INFO L899 garLoopResultBuilder]: For program point L155(line 155) no Hoare annotation was computed. [2022-07-21 00:06:04,957 INFO L899 garLoopResultBuilder]: For program point L552(lines 552 1664) no Hoare annotation was computed. [2022-07-21 00:06:04,957 INFO L899 garLoopResultBuilder]: For program point L288(lines 288 1664) no Hoare annotation was computed. [2022-07-21 00:06:04,957 INFO L899 garLoopResultBuilder]: For program point L1213(lines 1213 1664) no Hoare annotation was computed. [2022-07-21 00:06:04,957 INFO L899 garLoopResultBuilder]: For program point L685(lines 685 1664) no Hoare annotation was computed. [2022-07-21 00:06:04,957 INFO L899 garLoopResultBuilder]: For program point L157-1(lines 33 1666) no Hoare annotation was computed. [2022-07-21 00:06:04,957 INFO L899 garLoopResultBuilder]: For program point L158(line 158) no Hoare annotation was computed. [2022-07-21 00:06:04,957 INFO L899 garLoopResultBuilder]: For program point L1612(lines 1612 1664) no Hoare annotation was computed. [2022-07-21 00:06:04,957 INFO L899 garLoopResultBuilder]: For program point L1348(lines 1348 1664) no Hoare annotation was computed. [2022-07-21 00:06:04,958 INFO L899 garLoopResultBuilder]: For program point L1084(lines 1084 1664) no Hoare annotation was computed. [2022-07-21 00:06:04,958 INFO L899 garLoopResultBuilder]: For program point L952(lines 952 1664) no Hoare annotation was computed. [2022-07-21 00:06:04,958 INFO L899 garLoopResultBuilder]: For program point L1745(lines 1745 1766) no Hoare annotation was computed. [2022-07-21 00:06:04,958 INFO L899 garLoopResultBuilder]: For program point L556(lines 556 1664) no Hoare annotation was computed. [2022-07-21 00:06:04,958 INFO L899 garLoopResultBuilder]: For program point L160-1(lines 33 1666) no Hoare annotation was computed. [2022-07-21 00:06:04,958 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-07-21 00:06:04,958 INFO L899 garLoopResultBuilder]: For program point L821(lines 821 1664) no Hoare annotation was computed. [2022-07-21 00:06:04,958 INFO L899 garLoopResultBuilder]: For program point L557(lines 557 566) no Hoare annotation was computed. [2022-07-21 00:06:04,959 INFO L899 garLoopResultBuilder]: For program point L557-2(lines 557 566) no Hoare annotation was computed. [2022-07-21 00:06:04,959 INFO L899 garLoopResultBuilder]: For program point L425(lines 425 1664) no Hoare annotation was computed. [2022-07-21 00:06:04,959 INFO L899 garLoopResultBuilder]: For program point L1218(lines 1218 1664) no Hoare annotation was computed. [2022-07-21 00:06:04,959 INFO L899 garLoopResultBuilder]: For program point L161(line 161) no Hoare annotation was computed. [2022-07-21 00:06:04,959 INFO L899 garLoopResultBuilder]: For program point L1483(lines 1483 1664) no Hoare annotation was computed. [2022-07-21 00:06:04,959 INFO L899 garLoopResultBuilder]: For program point L691(lines 691 1664) no Hoare annotation was computed. [2022-07-21 00:06:04,959 INFO L899 garLoopResultBuilder]: For program point L1616(lines 1616 1664) no Hoare annotation was computed. [2022-07-21 00:06:04,959 INFO L899 garLoopResultBuilder]: For program point L295(lines 295 1664) no Hoare annotation was computed. [2022-07-21 00:06:04,960 INFO L899 garLoopResultBuilder]: For program point L163-1(lines 33 1666) no Hoare annotation was computed. [2022-07-21 00:06:04,960 INFO L899 garLoopResultBuilder]: For program point L164(line 164) no Hoare annotation was computed. [2022-07-21 00:06:04,960 INFO L899 garLoopResultBuilder]: For program point L1354(lines 1354 1664) no Hoare annotation was computed. [2022-07-21 00:06:04,960 INFO L899 garLoopResultBuilder]: For program point L1222(lines 1222 1664) no Hoare annotation was computed. [2022-07-21 00:06:04,960 INFO L899 garLoopResultBuilder]: For program point L958(lines 958 1664) no Hoare annotation was computed. [2022-07-21 00:06:04,960 INFO L899 garLoopResultBuilder]: For program point L166-1(lines 33 1666) no Hoare annotation was computed. [2022-07-21 00:06:04,960 INFO L899 garLoopResultBuilder]: For program point L1091(lines 1091 1664) no Hoare annotation was computed. [2022-07-21 00:06:04,960 INFO L899 garLoopResultBuilder]: For program point L34(lines 34 36) no Hoare annotation was computed. [2022-07-21 00:06:04,961 INFO L899 garLoopResultBuilder]: For program point L34-2(lines 33 1666) no Hoare annotation was computed. [2022-07-21 00:06:04,961 INFO L899 garLoopResultBuilder]: For program point L827(lines 827 1664) no Hoare annotation was computed. [2022-07-21 00:06:04,961 INFO L899 garLoopResultBuilder]: For program point L1752(lines 1752 1766) no Hoare annotation was computed. [2022-07-21 00:06:04,961 INFO L899 garLoopResultBuilder]: For program point L1488(lines 1488 1664) no Hoare annotation was computed. [2022-07-21 00:06:04,961 INFO L899 garLoopResultBuilder]: For program point L167(line 167) no Hoare annotation was computed. [2022-07-21 00:06:04,961 INFO L899 garLoopResultBuilder]: For program point L35(line 35) no Hoare annotation was computed. [2022-07-21 00:06:04,961 INFO L899 garLoopResultBuilder]: For program point L432(lines 432 1664) no Hoare annotation was computed. [2022-07-21 00:06:04,961 INFO L899 garLoopResultBuilder]: For program point L697(lines 697 1664) no Hoare annotation was computed. [2022-07-21 00:06:04,962 INFO L899 garLoopResultBuilder]: For program point L1622(lines 1622 1664) no Hoare annotation was computed. [2022-07-21 00:06:04,962 INFO L899 garLoopResultBuilder]: For program point L169-1(lines 33 1666) no Hoare annotation was computed. [2022-07-21 00:06:04,962 INFO L899 garLoopResultBuilder]: For program point L37-1(lines 33 1666) no Hoare annotation was computed. [2022-07-21 00:06:04,962 INFO L899 garLoopResultBuilder]: For program point L1623(lines 1623 1632) no Hoare annotation was computed. [2022-07-21 00:06:04,962 INFO L899 garLoopResultBuilder]: For program point L1623-2(lines 1623 1632) no Hoare annotation was computed. [2022-07-21 00:06:04,962 INFO L899 garLoopResultBuilder]: For program point L302(lines 302 1664) no Hoare annotation was computed. [2022-07-21 00:06:04,962 INFO L899 garLoopResultBuilder]: For program point L170(line 170) no Hoare annotation was computed. [2022-07-21 00:06:04,962 INFO L899 garLoopResultBuilder]: For program point L38(line 38) no Hoare annotation was computed. [2022-07-21 00:06:04,963 INFO L899 garLoopResultBuilder]: For program point L567(lines 567 1664) no Hoare annotation was computed. [2022-07-21 00:06:04,963 INFO L899 garLoopResultBuilder]: For program point L1492(lines 1492 1664) no Hoare annotation was computed. [2022-07-21 00:06:04,963 INFO L899 garLoopResultBuilder]: For program point L1360(lines 1360 1664) no Hoare annotation was computed. [2022-07-21 00:06:04,963 INFO L899 garLoopResultBuilder]: For program point L1228(lines 1228 1664) no Hoare annotation was computed. [2022-07-21 00:06:04,963 INFO L899 garLoopResultBuilder]: For program point L1096(lines 1096 1664) no Hoare annotation was computed. [2022-07-21 00:06:04,963 INFO L899 garLoopResultBuilder]: For program point L568(lines 568 578) no Hoare annotation was computed. [2022-07-21 00:06:04,963 INFO L899 garLoopResultBuilder]: For program point L568-2(lines 568 578) no Hoare annotation was computed. [2022-07-21 00:06:04,963 INFO L899 garLoopResultBuilder]: For program point L1361(lines 1361 1368) no Hoare annotation was computed. [2022-07-21 00:06:04,964 INFO L899 garLoopResultBuilder]: For program point L1361-2(lines 1361 1368) no Hoare annotation was computed. [2022-07-21 00:06:04,964 INFO L899 garLoopResultBuilder]: For program point L172-1(lines 33 1666) no Hoare annotation was computed. [2022-07-21 00:06:04,964 INFO L899 garLoopResultBuilder]: For program point L40-1(lines 33 1666) no Hoare annotation was computed. [2022-07-21 00:06:04,964 INFO L899 garLoopResultBuilder]: For program point L965(lines 965 1664) no Hoare annotation was computed. [2022-07-21 00:06:04,964 INFO L899 garLoopResultBuilder]: For program point L173(line 173) no Hoare annotation was computed. [2022-07-21 00:06:04,964 INFO L899 garLoopResultBuilder]: For program point L41(line 41) no Hoare annotation was computed. [2022-07-21 00:06:04,964 INFO L899 garLoopResultBuilder]: For program point L834(lines 834 1664) no Hoare annotation was computed. [2022-07-21 00:06:04,964 INFO L899 garLoopResultBuilder]: For program point L1759(lines 1759 1766) no Hoare annotation was computed. [2022-07-21 00:06:04,965 INFO L899 garLoopResultBuilder]: For program point L438(lines 438 1664) no Hoare annotation was computed. [2022-07-21 00:06:04,965 INFO L899 garLoopResultBuilder]: For program point L703(lines 703 1664) no Hoare annotation was computed. [2022-07-21 00:06:04,965 INFO L899 garLoopResultBuilder]: For program point L175-1(lines 33 1666) no Hoare annotation was computed. [2022-07-21 00:06:04,965 INFO L899 garLoopResultBuilder]: For program point L43-1(lines 33 1666) no Hoare annotation was computed. [2022-07-21 00:06:04,965 INFO L899 garLoopResultBuilder]: For program point L704(lines 704 716) no Hoare annotation was computed. [2022-07-21 00:06:04,965 INFO L899 garLoopResultBuilder]: For program point L704-2(lines 704 716) no Hoare annotation was computed. [2022-07-21 00:06:04,965 INFO L899 garLoopResultBuilder]: For program point L176(line 176) no Hoare annotation was computed. [2022-07-21 00:06:04,965 INFO L899 garLoopResultBuilder]: For program point L1101(lines 1101 1664) no Hoare annotation was computed. [2022-07-21 00:06:04,966 INFO L899 garLoopResultBuilder]: For program point L44(line 44) no Hoare annotation was computed. [2022-07-21 00:06:04,966 INFO L899 garLoopResultBuilder]: For program point L969(lines 969 1664) no Hoare annotation was computed. [2022-07-21 00:06:04,966 INFO L899 garLoopResultBuilder]: For program point L1498(lines 1498 1664) no Hoare annotation was computed. [2022-07-21 00:06:04,966 INFO L899 garLoopResultBuilder]: For program point L309(lines 309 1664) no Hoare annotation was computed. [2022-07-21 00:06:04,966 INFO L899 garLoopResultBuilder]: For program point L1234(lines 1234 1664) no Hoare annotation was computed. [2022-07-21 00:06:04,966 INFO L899 garLoopResultBuilder]: For program point L178-1(lines 33 1666) no Hoare annotation was computed. [2022-07-21 00:06:04,966 INFO L899 garLoopResultBuilder]: For program point L46-1(lines 33 1666) no Hoare annotation was computed. [2022-07-21 00:06:04,966 INFO L899 garLoopResultBuilder]: For program point L839(lines 839 1664) no Hoare annotation was computed. [2022-07-21 00:06:04,967 INFO L899 garLoopResultBuilder]: For program point L443(lines 443 1664) no Hoare annotation was computed. [2022-07-21 00:06:04,967 INFO L899 garLoopResultBuilder]: For program point L179(line 179) no Hoare annotation was computed. [2022-07-21 00:06:04,967 INFO L899 garLoopResultBuilder]: For program point L47(line 47) no Hoare annotation was computed. [2022-07-21 00:06:04,967 INFO L899 garLoopResultBuilder]: For program point L840(lines 840 849) no Hoare annotation was computed. [2022-07-21 00:06:04,967 INFO L899 garLoopResultBuilder]: For program point L840-2(lines 840 849) no Hoare annotation was computed. [2022-07-21 00:06:04,967 INFO L899 garLoopResultBuilder]: For program point L1633(lines 1633 1664) no Hoare annotation was computed. [2022-07-21 00:06:04,967 INFO L899 garLoopResultBuilder]: For program point L1369(lines 1369 1664) no Hoare annotation was computed. [2022-07-21 00:06:04,968 INFO L899 garLoopResultBuilder]: For program point L181-1(lines 33 1666) no Hoare annotation was computed. [2022-07-21 00:06:04,968 INFO L899 garLoopResultBuilder]: For program point L49-1(lines 33 1666) no Hoare annotation was computed. [2022-07-21 00:06:04,968 INFO L895 garLoopResultBuilder]: At program point L1767(lines 1668 1768) the Hoare annotation is: (let ((.cse25 (+ ~a4~0 86)) (.cse9 (<= ~a29~0 43)) (.cse8 (= ~a2~0 4)) (.cse26 (+ ~a29~0 127))) (let ((.cse19 (<= (+ ~a29~0 144) 0)) (.cse20 (<= .cse26 0)) (.cse13 (= ~a2~0 1)) (.cse14 (<= (+ ~a0~0 61) 0)) (.cse28 (<= 0 (+ ~a0~0 60))) (.cse17 (<= (+ 98 ~a0~0) 0)) (.cse16 (< 43 ~a29~0)) (.cse5 (= 2 ~a2~0)) (.cse22 (<= 0 (+ ~a29~0 15))) (.cse24 (<= 0 (+ 600001 ~a0~0))) (.cse6 (<= (+ 89 ~a4~0) 0)) (.cse7 (< 0 (+ (div (+ 3459790 (* (div ~a0~0 5) 10)) (- 9)) 600165))) (.cse23 (<= (+ 104 ~a0~0) 0)) (.cse0 (<= ~a29~0 41)) (.cse12 (<= 0 (+ 146 ~a0~0))) (.cse18 (not .cse8)) (.cse2 (<= 0 (+ 599998 ~a0~0))) (.cse4 (<= 5 ~a2~0)) (.cse10 (not .cse9)) (.cse15 (< 0 .cse25)) (.cse21 (< 0 (+ 600165 ~a0~0))) (.cse1 (<= (+ 42 ~a4~0) 0)) (.cse3 (<= (+ ~a0~0 147) 0)) (.cse11 (= 3 ~a2~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse6 .cse7) (and .cse6 .cse8 .cse9 .cse7) (and .cse6 .cse10 .cse11 .cse7) (and .cse0 .cse1 .cse12 .cse13 .cse14) (and .cse15 .cse16 .cse1 .cse17 .cse12 .cse4 .cse18) (and (or (not .cse17) (not .cse19)) .cse6 .cse11 .cse20 .cse7) (and .cse21 .cse1 .cse22 .cse3 .cse11 .cse9) (and .cse15 .cse23 .cse1 .cse22 .cse8 (<= 0 (+ 384413 ~a0~0))) (and .cse16 .cse1 .cse3 .cse13 .cse24) (and .cse22 .cse6 .cse18 .cse14) (and .cse15 .cse1 .cse5 .cse22 .cse17 .cse12) (and .cse13 (<= .cse25 0) .cse14 .cse19) (and .cse1 .cse2 .cse3 .cse13) (and (not .cse11) .cse6 .cse18 .cse14) (and .cse15 .cse1 .cse5 .cse2 .cse3) (and .cse15 .cse0 .cse1 .cse22 .cse2 .cse13 .cse7) (and (<= 0 (+ 97 ~a0~0)) .cse6 .cse18 .cse14) (let ((.cse27 (+ 44 ~a0~0))) (and (<= 0 .cse26) .cse6 .cse13 (<= 0 .cse27) (<= .cse27 0) .cse20)) (and .cse6 .cse3 .cse18 .cse14) (and .cse0 .cse22 .cse6 .cse28 .cse4 .cse7) (and .cse15 .cse1 .cse17 .cse12 .cse13) (and .cse6 .cse8 .cse14) (and .cse15 .cse1 .cse2 .cse3 .cse8) (and .cse0 .cse22 .cse6 .cse28 .cse11 .cse7) (and .cse15 .cse0 .cse1 .cse22 .cse17 .cse12 .cse4 .cse18) (and (or (and .cse16 .cse5 .cse3) (and .cse15 .cse1 .cse5 .cse22 .cse3)) .cse24) (and .cse6 .cse4 .cse18 .cse10 .cse7) (and .cse15 .cse1 .cse2 .cse3 .cse4) (and .cse15 .cse1 (<= (+ ~a0~0 99) 0) .cse12 .cse11) (and .cse15 .cse23 .cse0 .cse1 .cse12 .cse4 .cse18) (and .cse1 .cse2 .cse3 .cse4 .cse10) (and .cse15 .cse21 .cse1 .cse3 .cse11)))) [2022-07-21 00:06:04,968 INFO L899 garLoopResultBuilder]: For program point L182(line 182) no Hoare annotation was computed. [2022-07-21 00:06:04,968 INFO L899 garLoopResultBuilder]: For program point L50(line 50) no Hoare annotation was computed. [2022-07-21 00:06:04,969 INFO L899 garLoopResultBuilder]: For program point L579(lines 579 1664) no Hoare annotation was computed. [2022-07-21 00:06:04,969 INFO L899 garLoopResultBuilder]: For program point L1504(lines 1504 1664) no Hoare annotation was computed. [2022-07-21 00:06:04,969 INFO L899 garLoopResultBuilder]: For program point L1108(lines 1108 1664) no Hoare annotation was computed. [2022-07-21 00:06:04,969 INFO L899 garLoopResultBuilder]: For program point L976(lines 976 1664) no Hoare annotation was computed. [2022-07-21 00:06:04,969 INFO L899 garLoopResultBuilder]: For program point L316(lines 316 1664) no Hoare annotation was computed. [2022-07-21 00:06:04,969 INFO L899 garLoopResultBuilder]: For program point L1241(lines 1241 1664) no Hoare annotation was computed. [2022-07-21 00:06:04,969 INFO L899 garLoopResultBuilder]: For program point L184-1(lines 33 1666) no Hoare annotation was computed. [2022-07-21 00:06:04,969 INFO L899 garLoopResultBuilder]: For program point L1109(lines 1109 1117) no Hoare annotation was computed. [2022-07-21 00:06:04,970 INFO L899 garLoopResultBuilder]: For program point L52-1(lines 33 1666) no Hoare annotation was computed. [2022-07-21 00:06:04,970 INFO L899 garLoopResultBuilder]: For program point L1109-2(lines 1109 1117) no Hoare annotation was computed. [2022-07-21 00:06:04,970 INFO L902 garLoopResultBuilder]: At program point L1770(lines 1770 1786) the Hoare annotation is: true [2022-07-21 00:06:04,970 INFO L899 garLoopResultBuilder]: For program point L449(lines 449 1664) no Hoare annotation was computed. [2022-07-21 00:06:04,970 INFO L899 garLoopResultBuilder]: For program point L317(lines 317 329) no Hoare annotation was computed. [2022-07-21 00:06:04,970 INFO L899 garLoopResultBuilder]: For program point L317-2(lines 317 329) no Hoare annotation was computed. [2022-07-21 00:06:04,970 INFO L899 garLoopResultBuilder]: For program point L185(line 185) no Hoare annotation was computed. [2022-07-21 00:06:04,970 INFO L899 garLoopResultBuilder]: For program point L53(line 53) no Hoare annotation was computed. [2022-07-21 00:06:04,971 INFO L899 garLoopResultBuilder]: For program point L1639(lines 1639 1664) no Hoare annotation was computed. [2022-07-21 00:06:04,971 INFO L899 garLoopResultBuilder]: For program point L1375(lines 1375 1664) no Hoare annotation was computed. [2022-07-21 00:06:04,971 INFO L899 garLoopResultBuilder]: For program point L187-1(lines 33 1666) no Hoare annotation was computed. [2022-07-21 00:06:04,971 INFO L899 garLoopResultBuilder]: For program point L55-1(lines 33 1666) no Hoare annotation was computed. [2022-07-21 00:06:04,971 INFO L899 garLoopResultBuilder]: For program point L584(lines 584 1664) no Hoare annotation was computed. [2022-07-21 00:06:04,971 INFO L899 garLoopResultBuilder]: For program point L188(line 188) no Hoare annotation was computed. [2022-07-21 00:06:04,971 INFO L899 garLoopResultBuilder]: For program point L56(line 56) no Hoare annotation was computed. [2022-07-21 00:06:04,972 INFO L899 garLoopResultBuilder]: For program point L717(lines 717 1664) no Hoare annotation was computed. [2022-07-21 00:06:04,972 INFO L899 garLoopResultBuilder]: For program point L585(lines 585 596) no Hoare annotation was computed. [2022-07-21 00:06:04,972 INFO L899 garLoopResultBuilder]: For program point L585-2(lines 585 596) no Hoare annotation was computed. [2022-07-21 00:06:04,972 INFO L899 garLoopResultBuilder]: For program point L850(lines 850 1664) no Hoare annotation was computed. [2022-07-21 00:06:04,972 INFO L899 garLoopResultBuilder]: For program point L1511(lines 1511 1664) no Hoare annotation was computed. [2022-07-21 00:06:04,972 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-07-21 00:06:04,972 INFO L899 garLoopResultBuilder]: For program point L1247(lines 1247 1664) no Hoare annotation was computed. [2022-07-21 00:06:04,972 INFO L899 garLoopResultBuilder]: For program point L190-1(lines 33 1666) no Hoare annotation was computed. [2022-07-21 00:06:04,973 INFO L899 garLoopResultBuilder]: For program point L58-1(lines 33 1666) no Hoare annotation was computed. [2022-07-21 00:06:04,973 INFO L899 garLoopResultBuilder]: For program point L983(lines 983 1664) no Hoare annotation was computed. [2022-07-21 00:06:04,973 INFO L895 garLoopResultBuilder]: At program point L1776-2(lines 1776 1785) the Hoare annotation is: (let ((.cse28 (+ ~a4~0 86)) (.cse9 (<= ~a29~0 43)) (.cse8 (= ~a2~0 4)) (.cse25 (+ ~a29~0 127))) (let ((.cse20 (<= .cse25 0)) (.cse14 (<= (+ ~a0~0 61) 0)) (.cse13 (= ~a2~0 1)) (.cse19 (<= (+ ~a29~0 144) 0)) (.cse27 (<= 0 (+ ~a0~0 60))) (.cse17 (<= (+ 98 ~a0~0) 0)) (.cse16 (< 43 ~a29~0)) (.cse5 (= 2 ~a2~0)) (.cse22 (<= 0 (+ ~a29~0 15))) (.cse24 (<= 0 (+ 600001 ~a0~0))) (.cse6 (<= (+ 89 ~a4~0) 0)) (.cse7 (< 0 (+ (div (+ 3459790 (* (div ~a0~0 5) 10)) (- 9)) 600165))) (.cse23 (<= (+ 104 ~a0~0) 0)) (.cse0 (<= ~a29~0 41)) (.cse12 (<= 0 (+ 146 ~a0~0))) (.cse18 (not .cse8)) (.cse2 (<= 0 (+ 599998 ~a0~0))) (.cse4 (<= 5 ~a2~0)) (.cse10 (not .cse9)) (.cse15 (< 0 .cse28)) (.cse21 (< 0 (+ 600165 ~a0~0))) (.cse1 (<= (+ 42 ~a4~0) 0)) (.cse3 (<= (+ ~a0~0 147) 0)) (.cse11 (= 3 ~a2~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse6 .cse7) (and .cse6 .cse8 .cse9 .cse7) (and .cse6 .cse10 .cse11 .cse7) (and .cse0 .cse1 .cse12 .cse13 .cse14) (and .cse15 .cse16 .cse1 .cse17 .cse12 .cse4 .cse18) (and (or (not .cse17) (not .cse19)) .cse6 .cse11 .cse20 .cse7) (and .cse21 .cse1 .cse22 .cse3 .cse11 .cse9) (and .cse15 .cse23 .cse1 .cse22 .cse8 (<= 0 (+ 384413 ~a0~0))) (and .cse16 .cse1 .cse3 .cse13 .cse24) (and .cse22 .cse6 .cse18 .cse14) (and .cse15 .cse1 .cse5 .cse22 .cse17 .cse12) (and .cse1 .cse2 .cse3 .cse13) (and (not .cse11) .cse6 .cse18 .cse14) (and .cse15 .cse1 .cse5 .cse2 .cse3) (and .cse15 .cse0 .cse1 .cse22 .cse2 .cse13 .cse7) (and (<= 0 (+ 97 ~a0~0)) .cse6 .cse18 .cse14) (let ((.cse26 (+ 44 ~a0~0))) (and (<= 0 .cse25) .cse6 .cse13 (<= 0 .cse26) (<= .cse26 0) .cse20)) (and .cse6 .cse3 .cse18 .cse14) (and .cse0 .cse22 .cse6 .cse27 .cse4 .cse7) (and .cse15 .cse1 .cse17 .cse12 .cse13) (and .cse6 .cse8 .cse14) (and .cse15 .cse1 .cse2 .cse3 .cse8) (and .cse13 (<= .cse28 0) .cse19) (and .cse0 .cse22 .cse6 .cse27 .cse11 .cse7) (and .cse15 .cse0 .cse1 .cse22 .cse17 .cse12 .cse4 .cse18) (and (or (and .cse16 .cse5 .cse3) (and .cse15 .cse1 .cse5 .cse22 .cse3)) .cse24) (and .cse6 .cse4 .cse18 .cse10 .cse7) (and .cse15 .cse1 .cse2 .cse3 .cse4) (and .cse15 .cse1 (<= (+ ~a0~0 99) 0) .cse12 .cse11) (and .cse15 .cse23 .cse0 .cse1 .cse12 .cse4 .cse18) (and .cse1 .cse2 .cse3 .cse4 .cse10) (and .cse15 .cse21 .cse1 .cse3 .cse11)))) [2022-07-21 00:06:04,973 INFO L899 garLoopResultBuilder]: For program point L455(lines 455 1664) no Hoare annotation was computed. [2022-07-21 00:06:04,973 INFO L899 garLoopResultBuilder]: For program point L191(line 191) no Hoare annotation was computed. [2022-07-21 00:06:04,973 INFO L899 garLoopResultBuilder]: For program point L59(line 59) no Hoare annotation was computed. [2022-07-21 00:06:04,974 INFO L899 garLoopResultBuilder]: For program point L1645(lines 1645 1664) no Hoare annotation was computed. [2022-07-21 00:06:04,974 INFO L899 garLoopResultBuilder]: For program point L1381(lines 1381 1664) no Hoare annotation was computed. [2022-07-21 00:06:04,974 INFO L899 garLoopResultBuilder]: For program point L193-1(lines 33 1666) no Hoare annotation was computed. [2022-07-21 00:06:04,974 INFO L899 garLoopResultBuilder]: For program point L1118(lines 1118 1664) no Hoare annotation was computed. [2022-07-21 00:06:04,974 INFO L899 garLoopResultBuilder]: For program point L61-1(lines 33 1666) no Hoare annotation was computed. [2022-07-21 00:06:04,974 INFO L899 garLoopResultBuilder]: For program point L722(lines 722 1664) no Hoare annotation was computed. [2022-07-21 00:06:04,974 INFO L899 garLoopResultBuilder]: For program point L194(line 194) no Hoare annotation was computed. [2022-07-21 00:06:04,974 INFO L899 garLoopResultBuilder]: For program point L62(line 62) no Hoare annotation was computed. [2022-07-21 00:06:04,975 INFO L899 garLoopResultBuilder]: For program point L855(lines 855 1664) no Hoare annotation was computed. [2022-07-21 00:06:04,975 INFO L899 garLoopResultBuilder]: For program point L459(lines 459 1664) no Hoare annotation was computed. [2022-07-21 00:06:04,975 INFO L899 garLoopResultBuilder]: For program point L1781(line 1781) no Hoare annotation was computed. [2022-07-21 00:06:04,975 INFO L899 garLoopResultBuilder]: For program point L1253(lines 1253 1664) no Hoare annotation was computed. [2022-07-21 00:06:04,975 INFO L899 garLoopResultBuilder]: For program point L196-1(lines 33 1666) no Hoare annotation was computed. [2022-07-21 00:06:04,975 INFO L899 garLoopResultBuilder]: For program point L64-1(lines 33 1666) no Hoare annotation was computed. [2022-07-21 00:06:04,975 INFO L899 garLoopResultBuilder]: For program point L989(lines 989 1664) no Hoare annotation was computed. [2022-07-21 00:06:04,975 INFO L899 garLoopResultBuilder]: For program point L1650(lines 1650 1664) no Hoare annotation was computed. [2022-07-21 00:06:04,976 INFO L899 garLoopResultBuilder]: For program point L1518(lines 1518 1664) no Hoare annotation was computed. [2022-07-21 00:06:04,976 INFO L899 garLoopResultBuilder]: For program point L197(line 197) no Hoare annotation was computed. [2022-07-21 00:06:04,976 INFO L899 garLoopResultBuilder]: For program point L65(line 65) no Hoare annotation was computed. [2022-07-21 00:06:04,976 INFO L899 garLoopResultBuilder]: For program point L330(lines 330 1664) no Hoare annotation was computed. [2022-07-21 00:06:04,976 INFO L899 garLoopResultBuilder]: For program point L1388(lines 1388 1664) no Hoare annotation was computed. [2022-07-21 00:06:04,976 INFO L899 garLoopResultBuilder]: For program point L199-1(lines 33 1666) no Hoare annotation was computed. [2022-07-21 00:06:04,976 INFO L899 garLoopResultBuilder]: For program point L67-1(lines 33 1666) no Hoare annotation was computed. [2022-07-21 00:06:04,976 INFO L899 garLoopResultBuilder]: For program point L728(lines 728 1664) no Hoare annotation was computed. [2022-07-21 00:06:04,977 INFO L899 garLoopResultBuilder]: For program point L1521(lines 1521 1664) no Hoare annotation was computed. [2022-07-21 00:06:04,977 INFO L899 garLoopResultBuilder]: For program point L200(line 200) no Hoare annotation was computed. [2022-07-21 00:06:04,977 INFO L899 garLoopResultBuilder]: For program point L1125(lines 1125 1664) no Hoare annotation was computed. [2022-07-21 00:06:04,977 INFO L899 garLoopResultBuilder]: For program point L68(line 68) no Hoare annotation was computed. [2022-07-21 00:06:04,977 INFO L899 garLoopResultBuilder]: For program point L861(lines 861 1664) no Hoare annotation was computed. [2022-07-21 00:06:04,977 INFO L899 garLoopResultBuilder]: For program point L597(lines 597 1664) no Hoare annotation was computed. [2022-07-21 00:06:04,977 INFO L899 garLoopResultBuilder]: For program point L466(lines 466 1664) no Hoare annotation was computed. [2022-07-21 00:06:04,977 INFO L899 garLoopResultBuilder]: For program point L1259(lines 1259 1664) no Hoare annotation was computed. [2022-07-21 00:06:04,978 INFO L899 garLoopResultBuilder]: For program point L202-1(lines 33 1666) no Hoare annotation was computed. [2022-07-21 00:06:04,978 INFO L899 garLoopResultBuilder]: For program point L70-1(lines 33 1666) no Hoare annotation was computed. [2022-07-21 00:06:04,978 INFO L899 garLoopResultBuilder]: For program point L995(lines 995 1664) no Hoare annotation was computed. [2022-07-21 00:06:04,978 INFO L899 garLoopResultBuilder]: For program point L203(line 203) no Hoare annotation was computed. [2022-07-21 00:06:04,978 INFO L899 garLoopResultBuilder]: For program point L71(line 71) no Hoare annotation was computed. [2022-07-21 00:06:04,978 INFO L899 garLoopResultBuilder]: For program point L1657(lines 1657 1664) no Hoare annotation was computed. [2022-07-21 00:06:04,978 INFO L899 garLoopResultBuilder]: For program point L865(lines 865 1664) no Hoare annotation was computed. [2022-07-21 00:06:04,978 INFO L899 garLoopResultBuilder]: For program point L1526(lines 1526 1664) no Hoare annotation was computed. [2022-07-21 00:06:04,979 INFO L899 garLoopResultBuilder]: For program point L337(lines 337 1664) no Hoare annotation was computed. [2022-07-21 00:06:04,979 INFO L899 garLoopResultBuilder]: For program point L205-1(lines 33 1666) no Hoare annotation was computed. [2022-07-21 00:06:04,979 INFO L899 garLoopResultBuilder]: For program point L73-1(lines 33 1666) no Hoare annotation was computed. [2022-07-21 00:06:04,979 INFO L899 garLoopResultBuilder]: For program point L1395(lines 1395 1664) no Hoare annotation was computed. [2022-07-21 00:06:04,979 INFO L899 garLoopResultBuilder]: For program point L206(line 206) no Hoare annotation was computed. [2022-07-21 00:06:04,979 INFO L899 garLoopResultBuilder]: For program point L74(line 74) no Hoare annotation was computed. [2022-07-21 00:06:04,979 INFO L899 garLoopResultBuilder]: For program point L735(lines 735 1664) no Hoare annotation was computed. [2022-07-21 00:06:04,979 INFO L899 garLoopResultBuilder]: For program point L1132(lines 1132 1664) no Hoare annotation was computed. [2022-07-21 00:06:04,980 INFO L899 garLoopResultBuilder]: For program point L604(lines 604 1664) no Hoare annotation was computed. [2022-07-21 00:06:04,980 INFO L899 garLoopResultBuilder]: For program point L472(lines 472 1664) no Hoare annotation was computed. [2022-07-21 00:06:04,980 INFO L899 garLoopResultBuilder]: For program point L1265(lines 1265 1664) no Hoare annotation was computed. [2022-07-21 00:06:04,980 INFO L899 garLoopResultBuilder]: For program point L208-1(lines 33 1666) no Hoare annotation was computed. [2022-07-21 00:06:04,980 INFO L899 garLoopResultBuilder]: For program point L76-1(lines 33 1666) no Hoare annotation was computed. [2022-07-21 00:06:04,980 INFO L899 garLoopResultBuilder]: For program point L605(lines 605 615) no Hoare annotation was computed. [2022-07-21 00:06:04,980 INFO L899 garLoopResultBuilder]: For program point L605-2(lines 605 615) no Hoare annotation was computed. [2022-07-21 00:06:04,980 INFO L899 garLoopResultBuilder]: For program point L1398(lines 1398 1664) no Hoare annotation was computed. [2022-07-21 00:06:04,981 INFO L899 garLoopResultBuilder]: For program point L209(line 209) no Hoare annotation was computed. [2022-07-21 00:06:04,981 INFO L899 garLoopResultBuilder]: For program point L77(line 77) no Hoare annotation was computed. [2022-07-21 00:06:04,981 INFO L899 garLoopResultBuilder]: For program point L1002(lines 1002 1664) no Hoare annotation was computed. [2022-07-21 00:06:04,981 INFO L899 garLoopResultBuilder]: For program point L1532(lines 1532 1664) no Hoare annotation was computed. [2022-07-21 00:06:04,981 INFO L899 garLoopResultBuilder]: For program point L343(lines 343 1664) no Hoare annotation was computed. [2022-07-21 00:06:04,981 INFO L899 garLoopResultBuilder]: For program point L211-1(lines 33 1666) no Hoare annotation was computed. [2022-07-21 00:06:04,981 INFO L899 garLoopResultBuilder]: For program point L79-1(lines 33 1666) no Hoare annotation was computed. [2022-07-21 00:06:04,982 INFO L899 garLoopResultBuilder]: For program point L872(lines 872 1664) no Hoare annotation was computed. [2022-07-21 00:06:04,982 INFO L895 garLoopResultBuilder]: At program point L1665(lines 33 1666) the Hoare annotation is: (let ((.cse28 (+ ~a4~0 86)) (.cse9 (<= ~a29~0 43)) (.cse8 (= ~a2~0 4)) (.cse25 (+ ~a29~0 127))) (let ((.cse20 (<= .cse25 0)) (.cse14 (<= (+ ~a0~0 61) 0)) (.cse13 (= ~a2~0 1)) (.cse19 (<= (+ ~a29~0 144) 0)) (.cse27 (<= 0 (+ ~a0~0 60))) (.cse17 (<= (+ 98 ~a0~0) 0)) (.cse16 (< 43 ~a29~0)) (.cse5 (= 2 ~a2~0)) (.cse22 (<= 0 (+ ~a29~0 15))) (.cse24 (<= 0 (+ 600001 ~a0~0))) (.cse6 (<= (+ 89 ~a4~0) 0)) (.cse7 (< 0 (+ (div (+ 3459790 (* (div ~a0~0 5) 10)) (- 9)) 600165))) (.cse23 (<= (+ 104 ~a0~0) 0)) (.cse0 (<= ~a29~0 41)) (.cse12 (<= 0 (+ 146 ~a0~0))) (.cse18 (not .cse8)) (.cse2 (<= 0 (+ 599998 ~a0~0))) (.cse4 (<= 5 ~a2~0)) (.cse10 (not .cse9)) (.cse15 (< 0 .cse28)) (.cse21 (< 0 (+ 600165 ~a0~0))) (.cse1 (<= (+ 42 ~a4~0) 0)) (.cse3 (<= (+ ~a0~0 147) 0)) (.cse11 (= 3 ~a2~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse6 .cse7) (and .cse6 .cse8 .cse9 .cse7) (and .cse6 .cse10 .cse11 .cse7) (and .cse0 .cse1 .cse12 .cse13 .cse14) (and .cse15 .cse16 .cse1 .cse17 .cse12 .cse4 .cse18) (and (or (not .cse17) (not .cse19)) .cse6 .cse11 .cse20 .cse7) (and .cse21 .cse1 .cse22 .cse3 .cse11 .cse9) (and .cse15 .cse23 .cse1 .cse22 .cse8 (<= 0 (+ 384413 ~a0~0))) (and .cse16 .cse1 .cse3 .cse13 .cse24) (and .cse22 .cse6 .cse18 .cse14) (and .cse15 .cse1 .cse5 .cse22 .cse17 .cse12) (and .cse1 .cse2 .cse3 .cse13) (and (not .cse11) .cse6 .cse18 .cse14) (and .cse15 .cse1 .cse5 .cse2 .cse3) (and .cse15 .cse0 .cse1 .cse22 .cse2 .cse13 .cse7) (and (<= 0 (+ 97 ~a0~0)) .cse6 .cse18 .cse14) (let ((.cse26 (+ 44 ~a0~0))) (and (<= 0 .cse25) .cse6 .cse13 (<= 0 .cse26) (<= .cse26 0) .cse20)) (and .cse6 .cse3 .cse18 .cse14) (and .cse0 .cse22 .cse6 .cse27 .cse4 .cse7) (and .cse15 .cse1 .cse17 .cse12 .cse13) (and .cse6 .cse8 .cse14) (and .cse15 .cse1 .cse2 .cse3 .cse8) (and .cse13 (<= .cse28 0) .cse19) (and .cse0 .cse22 .cse6 .cse27 .cse11 .cse7) (and .cse15 .cse0 .cse1 .cse22 .cse17 .cse12 .cse4 .cse18) (and (or (and .cse16 .cse5 .cse3) (and .cse15 .cse1 .cse5 .cse22 .cse3)) .cse24) (and .cse6 .cse4 .cse18 .cse10 .cse7) (and .cse15 .cse1 .cse2 .cse3 .cse4) (and .cse15 .cse1 (<= (+ ~a0~0 99) 0) .cse12 .cse11) (and .cse15 .cse23 .cse0 .cse1 .cse12 .cse4 .cse18) (and .cse1 .cse2 .cse3 .cse4 .cse10) (and .cse15 .cse21 .cse1 .cse3 .cse11)))) [2022-07-21 00:06:04,983 INFO L899 garLoopResultBuilder]: For program point L212(line 212) no Hoare annotation was computed. [2022-07-21 00:06:04,983 INFO L899 garLoopResultBuilder]: For program point L80(line 80) no Hoare annotation was computed. [2022-07-21 00:06:04,983 INFO L899 garLoopResultBuilder]: For program point L1138(lines 1138 1664) no Hoare annotation was computed. [2022-07-21 00:06:04,983 INFO L899 garLoopResultBuilder]: For program point L742(lines 742 1664) no Hoare annotation was computed. [2022-07-21 00:06:04,983 INFO L899 garLoopResultBuilder]: For program point L478(lines 478 1664) no Hoare annotation was computed. [2022-07-21 00:06:04,983 INFO L899 garLoopResultBuilder]: For program point L346(lines 346 1664) no Hoare annotation was computed. [2022-07-21 00:06:04,983 INFO L899 garLoopResultBuilder]: For program point L1271(lines 1271 1664) no Hoare annotation was computed. [2022-07-21 00:06:04,983 INFO L899 garLoopResultBuilder]: For program point L214-1(lines 33 1666) no Hoare annotation was computed. [2022-07-21 00:06:04,984 INFO L899 garLoopResultBuilder]: For program point L82-1(lines 33 1666) no Hoare annotation was computed. [2022-07-21 00:06:04,984 INFO L899 garLoopResultBuilder]: For program point L1404(lines 1404 1664) no Hoare annotation was computed. [2022-07-21 00:06:04,984 INFO L899 garLoopResultBuilder]: For program point L215(line 215) no Hoare annotation was computed. [2022-07-21 00:06:04,985 INFO L899 garLoopResultBuilder]: For program point L83(line 83) no Hoare annotation was computed. [2022-07-21 00:06:04,985 INFO L899 garLoopResultBuilder]: For program point L1008(lines 1008 1664) no Hoare annotation was computed. [2022-07-21 00:06:04,985 INFO L899 garLoopResultBuilder]: For program point L1405(lines 1405 1417) no Hoare annotation was computed. [2022-07-21 00:06:04,985 INFO L899 garLoopResultBuilder]: For program point L1405-2(lines 1405 1417) no Hoare annotation was computed. [2022-07-21 00:06:04,985 INFO L899 garLoopResultBuilder]: For program point L745(lines 745 1664) no Hoare annotation was computed. [2022-07-21 00:06:04,985 INFO L899 garLoopResultBuilder]: For program point L1538(lines 1538 1664) no Hoare annotation was computed. [2022-07-21 00:06:04,985 INFO L899 garLoopResultBuilder]: For program point L1274(lines 1274 1664) no Hoare annotation was computed. [2022-07-21 00:06:04,985 INFO L899 garLoopResultBuilder]: For program point L85-1(lines 33 1666) no Hoare annotation was computed. [2022-07-21 00:06:04,985 INFO L899 garLoopResultBuilder]: For program point L878(lines 878 1664) no Hoare annotation was computed. [2022-07-21 00:06:04,986 INFO L899 garLoopResultBuilder]: For program point L1671(lines 1671 1766) no Hoare annotation was computed. [2022-07-21 00:06:04,986 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-07-21 00:06:04,986 INFO L899 garLoopResultBuilder]: For program point L86(line 86) no Hoare annotation was computed. [2022-07-21 00:06:04,986 INFO L899 garLoopResultBuilder]: For program point L351(lines 351 1664) no Hoare annotation was computed. [2022-07-21 00:06:04,986 INFO L899 garLoopResultBuilder]: For program point L1144(lines 1144 1664) no Hoare annotation was computed. [2022-07-21 00:06:04,986 INFO L899 garLoopResultBuilder]: For program point L616(lines 616 1664) no Hoare annotation was computed. [2022-07-21 00:06:04,986 INFO L899 garLoopResultBuilder]: For program point L484(lines 484 1664) no Hoare annotation was computed. [2022-07-21 00:06:04,986 INFO L899 garLoopResultBuilder]: For program point L352(lines 352 359) no Hoare annotation was computed. [2022-07-21 00:06:04,987 INFO L899 garLoopResultBuilder]: For program point L352-2(lines 352 359) no Hoare annotation was computed. [2022-07-21 00:06:04,987 INFO L899 garLoopResultBuilder]: For program point L1145(lines 1145 1154) no Hoare annotation was computed. [2022-07-21 00:06:04,987 INFO L899 garLoopResultBuilder]: For program point L88-1(lines 33 1666) no Hoare annotation was computed. [2022-07-21 00:06:04,987 INFO L899 garLoopResultBuilder]: For program point L1145-2(lines 1145 1154) no Hoare annotation was computed. [2022-07-21 00:06:04,987 INFO L899 garLoopResultBuilder]: For program point L89(line 89) no Hoare annotation was computed. [2022-07-21 00:06:04,987 INFO L899 garLoopResultBuilder]: For program point L1014(lines 1014 1664) no Hoare annotation was computed. [2022-07-21 00:06:04,987 INFO L899 garLoopResultBuilder]: For program point L1543(lines 1543 1664) no Hoare annotation was computed. [2022-07-21 00:06:04,987 INFO L899 garLoopResultBuilder]: For program point L91-1(lines 33 1666) no Hoare annotation was computed. [2022-07-21 00:06:04,988 INFO L899 garLoopResultBuilder]: For program point L884(lines 884 1664) no Hoare annotation was computed. [2022-07-21 00:06:04,988 INFO L899 garLoopResultBuilder]: For program point L752(lines 752 1664) no Hoare annotation was computed. [2022-07-21 00:06:04,988 INFO L899 garLoopResultBuilder]: For program point L1281(lines 1281 1664) no Hoare annotation was computed. [2022-07-21 00:06:04,988 INFO L899 garLoopResultBuilder]: For program point L224(lines 224 1664) no Hoare annotation was computed. [2022-07-21 00:06:04,988 INFO L899 garLoopResultBuilder]: For program point L92(line 92) no Hoare annotation was computed. [2022-07-21 00:06:04,988 INFO L899 garLoopResultBuilder]: For program point L1678(lines 1678 1766) no Hoare annotation was computed. [2022-07-21 00:06:04,988 INFO L899 garLoopResultBuilder]: For program point L489(lines 489 1664) no Hoare annotation was computed. [2022-07-21 00:06:04,988 INFO L899 garLoopResultBuilder]: For program point L94-1(lines 33 1666) no Hoare annotation was computed. [2022-07-21 00:06:04,989 INFO L899 garLoopResultBuilder]: For program point L623(lines 623 1664) no Hoare annotation was computed. [2022-07-21 00:06:04,989 INFO L899 garLoopResultBuilder]: For program point L95(line 95) no Hoare annotation was computed. [2022-07-21 00:06:04,989 INFO L899 garLoopResultBuilder]: For program point L360(lines 360 1664) no Hoare annotation was computed. [2022-07-21 00:06:04,990 INFO L899 garLoopResultBuilder]: For program point L1021(lines 1021 1664) no Hoare annotation was computed. [2022-07-21 00:06:04,990 INFO L899 garLoopResultBuilder]: For program point L1682(lines 1682 1766) no Hoare annotation was computed. [2022-07-21 00:06:04,990 INFO L899 garLoopResultBuilder]: For program point L1550(lines 1550 1664) no Hoare annotation was computed. [2022-07-21 00:06:04,990 INFO L899 garLoopResultBuilder]: For program point L1418(lines 1418 1664) no Hoare annotation was computed. [2022-07-21 00:06:04,990 INFO L899 garLoopResultBuilder]: For program point L229(lines 229 1664) no Hoare annotation was computed. [2022-07-21 00:06:04,990 INFO L899 garLoopResultBuilder]: For program point L97-1(lines 33 1666) no Hoare annotation was computed. [2022-07-21 00:06:04,991 INFO L899 garLoopResultBuilder]: For program point L890(lines 890 1664) no Hoare annotation was computed. [2022-07-21 00:06:04,991 INFO L899 garLoopResultBuilder]: For program point L758(lines 758 1664) no Hoare annotation was computed. [2022-07-21 00:06:04,991 INFO L899 garLoopResultBuilder]: For program point L1287(lines 1287 1664) no Hoare annotation was computed. [2022-07-21 00:06:04,991 INFO L899 garLoopResultBuilder]: For program point L230(lines 230 238) no Hoare annotation was computed. [2022-07-21 00:06:04,991 INFO L899 garLoopResultBuilder]: For program point L230-2(lines 230 238) no Hoare annotation was computed. [2022-07-21 00:06:04,991 INFO L899 garLoopResultBuilder]: For program point L1155(lines 1155 1664) no Hoare annotation was computed. [2022-07-21 00:06:04,991 INFO L899 garLoopResultBuilder]: For program point L98(line 98) no Hoare annotation was computed. [2022-07-21 00:06:04,991 INFO L899 garLoopResultBuilder]: For program point L496(lines 496 1664) no Hoare annotation was computed. [2022-07-21 00:06:04,991 INFO L899 garLoopResultBuilder]: For program point L100-1(lines 33 1666) no Hoare annotation was computed. [2022-07-21 00:06:04,991 INFO L899 garLoopResultBuilder]: For program point L365(lines 365 1664) no Hoare annotation was computed. [2022-07-21 00:06:04,991 INFO L899 garLoopResultBuilder]: For program point L101(line 101) no Hoare annotation was computed. [2022-07-21 00:06:04,991 INFO L899 garLoopResultBuilder]: For program point L1026(lines 1026 1664) no Hoare annotation was computed. [2022-07-21 00:06:04,994 INFO L356 BasicCegarLoop]: Path program histogram: [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] [2022-07-21 00:06:04,996 INFO L176 ceAbstractionStarter]: Computing trace abstraction results [2022-07-21 00:06:05,026 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.07 12:06:05 BoogieIcfgContainer [2022-07-21 00:06:05,026 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-07-21 00:06:05,027 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-21 00:06:05,027 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-21 00:06:05,027 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-21 00:06:05,027 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 12:04:22" (3/4) ... [2022-07-21 00:06:05,030 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-07-21 00:06:05,056 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2022-07-21 00:06:05,059 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-07-21 00:06:05,061 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-07-21 00:06:05,063 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-07-21 00:06:05,196 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2022-07-21 00:06:05,197 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-21 00:06:05,197 INFO L158 Benchmark]: Toolchain (without parser) took 106720.87ms. Allocated memory was 52.4MB in the beginning and 2.0GB in the end (delta: 1.9GB). Free memory was 35.0MB in the beginning and 1.3GB in the end (delta: -1.2GB). Peak memory consumption was 686.0MB. Max. memory is 16.1GB. [2022-07-21 00:06:05,198 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 52.4MB. Free memory was 33.9MB in the beginning and 33.9MB in the end (delta: 37.0kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-21 00:06:05,198 INFO L158 Benchmark]: CACSL2BoogieTranslator took 992.51ms. Allocated memory was 52.4MB in the beginning and 69.2MB in the end (delta: 16.8MB). Free memory was 34.9MB in the beginning and 32.9MB in the end (delta: 1.9MB). Peak memory consumption was 32.7MB. Max. memory is 16.1GB. [2022-07-21 00:06:05,198 INFO L158 Benchmark]: Boogie Procedure Inliner took 246.58ms. Allocated memory was 69.2MB in the beginning and 94.4MB in the end (delta: 25.2MB). Free memory was 32.9MB in the beginning and 42.3MB in the end (delta: -9.4MB). Peak memory consumption was 30.7MB. Max. memory is 16.1GB. [2022-07-21 00:06:05,198 INFO L158 Benchmark]: Boogie Preprocessor took 299.24ms. Allocated memory is still 94.4MB. Free memory was 42.3MB in the beginning and 33.0MB in the end (delta: 9.4MB). Peak memory consumption was 16.1MB. Max. memory is 16.1GB. [2022-07-21 00:06:05,199 INFO L158 Benchmark]: RCFGBuilder took 2475.78ms. Allocated memory was 94.4MB in the beginning and 186.6MB in the end (delta: 92.3MB). Free memory was 32.7MB in the beginning and 70.6MB in the end (delta: -37.9MB). Peak memory consumption was 71.4MB. Max. memory is 16.1GB. [2022-07-21 00:06:05,199 INFO L158 Benchmark]: TraceAbstraction took 102526.51ms. Allocated memory was 186.6MB in the beginning and 2.0GB in the end (delta: 1.8GB). Free memory was 69.6MB in the beginning and 1.3GB in the end (delta: -1.2GB). Peak memory consumption was 1.4GB. Max. memory is 16.1GB. [2022-07-21 00:06:05,199 INFO L158 Benchmark]: Witness Printer took 170.34ms. Allocated memory is still 2.0GB. Free memory was 1.3GB in the beginning and 1.3GB in the end (delta: 24.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2022-07-21 00:06:05,200 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 52.4MB. Free memory was 33.9MB in the beginning and 33.9MB in the end (delta: 37.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 992.51ms. Allocated memory was 52.4MB in the beginning and 69.2MB in the end (delta: 16.8MB). Free memory was 34.9MB in the beginning and 32.9MB in the end (delta: 1.9MB). Peak memory consumption was 32.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 246.58ms. Allocated memory was 69.2MB in the beginning and 94.4MB in the end (delta: 25.2MB). Free memory was 32.9MB in the beginning and 42.3MB in the end (delta: -9.4MB). Peak memory consumption was 30.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 299.24ms. Allocated memory is still 94.4MB. Free memory was 42.3MB in the beginning and 33.0MB in the end (delta: 9.4MB). Peak memory consumption was 16.1MB. Max. memory is 16.1GB. * RCFGBuilder took 2475.78ms. Allocated memory was 94.4MB in the beginning and 186.6MB in the end (delta: 92.3MB). Free memory was 32.7MB in the beginning and 70.6MB in the end (delta: -37.9MB). Peak memory consumption was 71.4MB. Max. memory is 16.1GB. * TraceAbstraction took 102526.51ms. Allocated memory was 186.6MB in the beginning and 2.0GB in the end (delta: 1.8GB). Free memory was 69.6MB in the beginning and 1.3GB in the end (delta: -1.2GB). Peak memory consumption was 1.4GB. Max. memory is 16.1GB. * Witness Printer took 170.34ms. Allocated memory is still 2.0GB. Free memory was 1.3GB in the beginning and 1.3GB in the end (delta: 24.6MB). Peak memory consumption was 25.2MB. 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 - PositiveResult [Line: 128]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 424 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 102.4s, OverallIterations: 31, TraceHistogramMax: 7, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.3s, AutomataDifference: 48.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 17.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 13108 SdHoareTripleChecker+Valid, 44.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 13108 mSDsluCounter, 10198 SdHoareTripleChecker+Invalid, 37.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 710 IncrementalHoareTripleChecker+Unchecked, 1307 mSDsCounter, 5153 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 35504 IncrementalHoareTripleChecker+Invalid, 41367 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5153 mSolverCounterUnsat, 8891 mSDtfsCounter, 35504 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 8200 GetRequests, 8119 SyntacticMatches, 3 SemanticMatches, 78 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 117 ImplicationChecksByTransitivity, 2.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=28503occurred in iteration=26, InterpolantAutomatonStates: 121, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 5.4s AutomataMinimizationTime, 31 MinimizatonAttempts, 51000 StatesRemovedByMinimization, 28 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 4 LocationsWithAnnotation, 4 PreInvPairs, 199 NumberOfFragments, 2610 HoareAnnotationTreeSize, 4 FomulaSimplifications, 62911 FormulaSimplificationTreeSizeReduction, 7.9s HoareSimplificationTime, 4 FomulaSimplificationsInter, 169746 FormulaSimplificationTreeSizeReductionInter, 9.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.7s SsaConstructionTime, 2.7s SatisfiabilityAnalysisTime, 23.7s InterpolantComputationTime, 22664 NumberOfCodeBlocks, 22664 NumberOfCodeBlocksAsserted, 37 NumberOfCheckSat, 25569 ConstructedInterpolants, 187 QuantifiedInterpolants, 103057 SizeOfPredicates, 11 NumberOfNonLiveVariables, 6095 ConjunctsInSsa, 24 ConjunctsInUnsatCore, 40 InterpolantComputations, 28 PerfectInterpolantSequences, 32286/35695 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 1770]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1668]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((((((((((((((a29 <= 41 && 42 + a4 <= 0) && 0 <= 599998 + a0) && a0 + 147 <= 0) && 5 <= a2) || ((2 == a2 && 89 + a4 <= 0) && 0 < (3459790 + a0 / 5 * 10) / -9 + 600165)) || (((89 + a4 <= 0 && a2 == 4) && a29 <= 43) && 0 < (3459790 + a0 / 5 * 10) / -9 + 600165)) || (((89 + a4 <= 0 && !(a29 <= 43)) && 3 == a2) && 0 < (3459790 + a0 / 5 * 10) / -9 + 600165)) || ((((a29 <= 41 && 42 + a4 <= 0) && 0 <= 146 + a0) && a2 == 1) && a0 + 61 <= 0)) || ((((((0 < a4 + 86 && 43 < a29) && 42 + a4 <= 0) && 98 + a0 <= 0) && 0 <= 146 + a0) && 5 <= a2) && !(a2 == 4))) || (((((!(98 + a0 <= 0) || !(a29 + 144 <= 0)) && 89 + a4 <= 0) && 3 == a2) && a29 + 127 <= 0) && 0 < (3459790 + a0 / 5 * 10) / -9 + 600165)) || (((((0 < 600165 + a0 && 42 + a4 <= 0) && 0 <= a29 + 15) && a0 + 147 <= 0) && 3 == a2) && a29 <= 43)) || (((((0 < a4 + 86 && 104 + a0 <= 0) && 42 + a4 <= 0) && 0 <= a29 + 15) && a2 == 4) && 0 <= 384413 + a0)) || ((((43 < a29 && 42 + a4 <= 0) && a0 + 147 <= 0) && a2 == 1) && 0 <= 600001 + a0)) || (((0 <= a29 + 15 && 89 + a4 <= 0) && !(a2 == 4)) && a0 + 61 <= 0)) || (((((0 < a4 + 86 && 42 + a4 <= 0) && 2 == a2) && 0 <= a29 + 15) && 98 + a0 <= 0) && 0 <= 146 + a0)) || (((a2 == 1 && a4 + 86 <= 0) && a0 + 61 <= 0) && a29 + 144 <= 0)) || (((42 + a4 <= 0 && 0 <= 599998 + a0) && a0 + 147 <= 0) && a2 == 1)) || (((!(3 == a2) && 89 + a4 <= 0) && !(a2 == 4)) && a0 + 61 <= 0)) || ((((0 < a4 + 86 && 42 + a4 <= 0) && 2 == a2) && 0 <= 599998 + a0) && a0 + 147 <= 0)) || ((((((0 < a4 + 86 && a29 <= 41) && 42 + a4 <= 0) && 0 <= a29 + 15) && 0 <= 599998 + a0) && a2 == 1) && 0 < (3459790 + a0 / 5 * 10) / -9 + 600165)) || (((0 <= 97 + a0 && 89 + a4 <= 0) && !(a2 == 4)) && a0 + 61 <= 0)) || (((((0 <= a29 + 127 && 89 + a4 <= 0) && a2 == 1) && 0 <= 44 + a0) && 44 + a0 <= 0) && a29 + 127 <= 0)) || (((89 + a4 <= 0 && a0 + 147 <= 0) && !(a2 == 4)) && a0 + 61 <= 0)) || (((((a29 <= 41 && 0 <= a29 + 15) && 89 + a4 <= 0) && 0 <= a0 + 60) && 5 <= a2) && 0 < (3459790 + a0 / 5 * 10) / -9 + 600165)) || ((((0 < a4 + 86 && 42 + a4 <= 0) && 98 + a0 <= 0) && 0 <= 146 + a0) && a2 == 1)) || ((89 + a4 <= 0 && a2 == 4) && a0 + 61 <= 0)) || ((((0 < a4 + 86 && 42 + a4 <= 0) && 0 <= 599998 + a0) && a0 + 147 <= 0) && a2 == 4)) || (((((a29 <= 41 && 0 <= a29 + 15) && 89 + a4 <= 0) && 0 <= a0 + 60) && 3 == a2) && 0 < (3459790 + a0 / 5 * 10) / -9 + 600165)) || (((((((0 < a4 + 86 && a29 <= 41) && 42 + a4 <= 0) && 0 <= a29 + 15) && 98 + a0 <= 0) && 0 <= 146 + a0) && 5 <= a2) && !(a2 == 4))) || ((((43 < a29 && 2 == a2) && a0 + 147 <= 0) || ((((0 < a4 + 86 && 42 + a4 <= 0) && 2 == a2) && 0 <= a29 + 15) && a0 + 147 <= 0)) && 0 <= 600001 + a0)) || ((((89 + a4 <= 0 && 5 <= a2) && !(a2 == 4)) && !(a29 <= 43)) && 0 < (3459790 + a0 / 5 * 10) / -9 + 600165)) || ((((0 < a4 + 86 && 42 + a4 <= 0) && 0 <= 599998 + a0) && a0 + 147 <= 0) && 5 <= a2)) || ((((0 < a4 + 86 && 42 + a4 <= 0) && a0 + 99 <= 0) && 0 <= 146 + a0) && 3 == a2)) || ((((((0 < a4 + 86 && 104 + a0 <= 0) && a29 <= 41) && 42 + a4 <= 0) && 0 <= 146 + a0) && 5 <= a2) && !(a2 == 4))) || ((((42 + a4 <= 0 && 0 <= 599998 + a0) && a0 + 147 <= 0) && 5 <= a2) && !(a29 <= 43))) || ((((0 < a4 + 86 && 0 < 600165 + a0) && 42 + a4 <= 0) && a0 + 147 <= 0) && 3 == a2) - InvariantResult [Line: 1776]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((((((((((((((a29 <= 41 && 42 + a4 <= 0) && 0 <= 599998 + a0) && a0 + 147 <= 0) && 5 <= a2) || ((2 == a2 && 89 + a4 <= 0) && 0 < (3459790 + a0 / 5 * 10) / -9 + 600165)) || (((89 + a4 <= 0 && a2 == 4) && a29 <= 43) && 0 < (3459790 + a0 / 5 * 10) / -9 + 600165)) || (((89 + a4 <= 0 && !(a29 <= 43)) && 3 == a2) && 0 < (3459790 + a0 / 5 * 10) / -9 + 600165)) || ((((a29 <= 41 && 42 + a4 <= 0) && 0 <= 146 + a0) && a2 == 1) && a0 + 61 <= 0)) || ((((((0 < a4 + 86 && 43 < a29) && 42 + a4 <= 0) && 98 + a0 <= 0) && 0 <= 146 + a0) && 5 <= a2) && !(a2 == 4))) || (((((!(98 + a0 <= 0) || !(a29 + 144 <= 0)) && 89 + a4 <= 0) && 3 == a2) && a29 + 127 <= 0) && 0 < (3459790 + a0 / 5 * 10) / -9 + 600165)) || (((((0 < 600165 + a0 && 42 + a4 <= 0) && 0 <= a29 + 15) && a0 + 147 <= 0) && 3 == a2) && a29 <= 43)) || (((((0 < a4 + 86 && 104 + a0 <= 0) && 42 + a4 <= 0) && 0 <= a29 + 15) && a2 == 4) && 0 <= 384413 + a0)) || ((((43 < a29 && 42 + a4 <= 0) && a0 + 147 <= 0) && a2 == 1) && 0 <= 600001 + a0)) || (((0 <= a29 + 15 && 89 + a4 <= 0) && !(a2 == 4)) && a0 + 61 <= 0)) || (((((0 < a4 + 86 && 42 + a4 <= 0) && 2 == a2) && 0 <= a29 + 15) && 98 + a0 <= 0) && 0 <= 146 + a0)) || (((42 + a4 <= 0 && 0 <= 599998 + a0) && a0 + 147 <= 0) && a2 == 1)) || (((!(3 == a2) && 89 + a4 <= 0) && !(a2 == 4)) && a0 + 61 <= 0)) || ((((0 < a4 + 86 && 42 + a4 <= 0) && 2 == a2) && 0 <= 599998 + a0) && a0 + 147 <= 0)) || ((((((0 < a4 + 86 && a29 <= 41) && 42 + a4 <= 0) && 0 <= a29 + 15) && 0 <= 599998 + a0) && a2 == 1) && 0 < (3459790 + a0 / 5 * 10) / -9 + 600165)) || (((0 <= 97 + a0 && 89 + a4 <= 0) && !(a2 == 4)) && a0 + 61 <= 0)) || (((((0 <= a29 + 127 && 89 + a4 <= 0) && a2 == 1) && 0 <= 44 + a0) && 44 + a0 <= 0) && a29 + 127 <= 0)) || (((89 + a4 <= 0 && a0 + 147 <= 0) && !(a2 == 4)) && a0 + 61 <= 0)) || (((((a29 <= 41 && 0 <= a29 + 15) && 89 + a4 <= 0) && 0 <= a0 + 60) && 5 <= a2) && 0 < (3459790 + a0 / 5 * 10) / -9 + 600165)) || ((((0 < a4 + 86 && 42 + a4 <= 0) && 98 + a0 <= 0) && 0 <= 146 + a0) && a2 == 1)) || ((89 + a4 <= 0 && a2 == 4) && a0 + 61 <= 0)) || ((((0 < a4 + 86 && 42 + a4 <= 0) && 0 <= 599998 + a0) && a0 + 147 <= 0) && a2 == 4)) || ((a2 == 1 && a4 + 86 <= 0) && a29 + 144 <= 0)) || (((((a29 <= 41 && 0 <= a29 + 15) && 89 + a4 <= 0) && 0 <= a0 + 60) && 3 == a2) && 0 < (3459790 + a0 / 5 * 10) / -9 + 600165)) || (((((((0 < a4 + 86 && a29 <= 41) && 42 + a4 <= 0) && 0 <= a29 + 15) && 98 + a0 <= 0) && 0 <= 146 + a0) && 5 <= a2) && !(a2 == 4))) || ((((43 < a29 && 2 == a2) && a0 + 147 <= 0) || ((((0 < a4 + 86 && 42 + a4 <= 0) && 2 == a2) && 0 <= a29 + 15) && a0 + 147 <= 0)) && 0 <= 600001 + a0)) || ((((89 + a4 <= 0 && 5 <= a2) && !(a2 == 4)) && !(a29 <= 43)) && 0 < (3459790 + a0 / 5 * 10) / -9 + 600165)) || ((((0 < a4 + 86 && 42 + a4 <= 0) && 0 <= 599998 + a0) && a0 + 147 <= 0) && 5 <= a2)) || ((((0 < a4 + 86 && 42 + a4 <= 0) && a0 + 99 <= 0) && 0 <= 146 + a0) && 3 == a2)) || ((((((0 < a4 + 86 && 104 + a0 <= 0) && a29 <= 41) && 42 + a4 <= 0) && 0 <= 146 + a0) && 5 <= a2) && !(a2 == 4))) || ((((42 + a4 <= 0 && 0 <= 599998 + a0) && a0 + 147 <= 0) && 5 <= a2) && !(a29 <= 43))) || ((((0 < a4 + 86 && 0 < 600165 + a0) && 42 + a4 <= 0) && a0 + 147 <= 0) && 3 == a2) - InvariantResult [Line: 33]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((((((((((((((a29 <= 41 && 42 + a4 <= 0) && 0 <= 599998 + a0) && a0 + 147 <= 0) && 5 <= a2) || ((2 == a2 && 89 + a4 <= 0) && 0 < (3459790 + a0 / 5 * 10) / -9 + 600165)) || (((89 + a4 <= 0 && a2 == 4) && a29 <= 43) && 0 < (3459790 + a0 / 5 * 10) / -9 + 600165)) || (((89 + a4 <= 0 && !(a29 <= 43)) && 3 == a2) && 0 < (3459790 + a0 / 5 * 10) / -9 + 600165)) || ((((a29 <= 41 && 42 + a4 <= 0) && 0 <= 146 + a0) && a2 == 1) && a0 + 61 <= 0)) || ((((((0 < a4 + 86 && 43 < a29) && 42 + a4 <= 0) && 98 + a0 <= 0) && 0 <= 146 + a0) && 5 <= a2) && !(a2 == 4))) || (((((!(98 + a0 <= 0) || !(a29 + 144 <= 0)) && 89 + a4 <= 0) && 3 == a2) && a29 + 127 <= 0) && 0 < (3459790 + a0 / 5 * 10) / -9 + 600165)) || (((((0 < 600165 + a0 && 42 + a4 <= 0) && 0 <= a29 + 15) && a0 + 147 <= 0) && 3 == a2) && a29 <= 43)) || (((((0 < a4 + 86 && 104 + a0 <= 0) && 42 + a4 <= 0) && 0 <= a29 + 15) && a2 == 4) && 0 <= 384413 + a0)) || ((((43 < a29 && 42 + a4 <= 0) && a0 + 147 <= 0) && a2 == 1) && 0 <= 600001 + a0)) || (((0 <= a29 + 15 && 89 + a4 <= 0) && !(a2 == 4)) && a0 + 61 <= 0)) || (((((0 < a4 + 86 && 42 + a4 <= 0) && 2 == a2) && 0 <= a29 + 15) && 98 + a0 <= 0) && 0 <= 146 + a0)) || (((42 + a4 <= 0 && 0 <= 599998 + a0) && a0 + 147 <= 0) && a2 == 1)) || (((!(3 == a2) && 89 + a4 <= 0) && !(a2 == 4)) && a0 + 61 <= 0)) || ((((0 < a4 + 86 && 42 + a4 <= 0) && 2 == a2) && 0 <= 599998 + a0) && a0 + 147 <= 0)) || ((((((0 < a4 + 86 && a29 <= 41) && 42 + a4 <= 0) && 0 <= a29 + 15) && 0 <= 599998 + a0) && a2 == 1) && 0 < (3459790 + a0 / 5 * 10) / -9 + 600165)) || (((0 <= 97 + a0 && 89 + a4 <= 0) && !(a2 == 4)) && a0 + 61 <= 0)) || (((((0 <= a29 + 127 && 89 + a4 <= 0) && a2 == 1) && 0 <= 44 + a0) && 44 + a0 <= 0) && a29 + 127 <= 0)) || (((89 + a4 <= 0 && a0 + 147 <= 0) && !(a2 == 4)) && a0 + 61 <= 0)) || (((((a29 <= 41 && 0 <= a29 + 15) && 89 + a4 <= 0) && 0 <= a0 + 60) && 5 <= a2) && 0 < (3459790 + a0 / 5 * 10) / -9 + 600165)) || ((((0 < a4 + 86 && 42 + a4 <= 0) && 98 + a0 <= 0) && 0 <= 146 + a0) && a2 == 1)) || ((89 + a4 <= 0 && a2 == 4) && a0 + 61 <= 0)) || ((((0 < a4 + 86 && 42 + a4 <= 0) && 0 <= 599998 + a0) && a0 + 147 <= 0) && a2 == 4)) || ((a2 == 1 && a4 + 86 <= 0) && a29 + 144 <= 0)) || (((((a29 <= 41 && 0 <= a29 + 15) && 89 + a4 <= 0) && 0 <= a0 + 60) && 3 == a2) && 0 < (3459790 + a0 / 5 * 10) / -9 + 600165)) || (((((((0 < a4 + 86 && a29 <= 41) && 42 + a4 <= 0) && 0 <= a29 + 15) && 98 + a0 <= 0) && 0 <= 146 + a0) && 5 <= a2) && !(a2 == 4))) || ((((43 < a29 && 2 == a2) && a0 + 147 <= 0) || ((((0 < a4 + 86 && 42 + a4 <= 0) && 2 == a2) && 0 <= a29 + 15) && a0 + 147 <= 0)) && 0 <= 600001 + a0)) || ((((89 + a4 <= 0 && 5 <= a2) && !(a2 == 4)) && !(a29 <= 43)) && 0 < (3459790 + a0 / 5 * 10) / -9 + 600165)) || ((((0 < a4 + 86 && 42 + a4 <= 0) && 0 <= 599998 + a0) && a0 + 147 <= 0) && 5 <= a2)) || ((((0 < a4 + 86 && 42 + a4 <= 0) && a0 + 99 <= 0) && 0 <= 146 + a0) && 3 == a2)) || ((((((0 < a4 + 86 && 104 + a0 <= 0) && a29 <= 41) && 42 + a4 <= 0) && 0 <= 146 + a0) && 5 <= a2) && !(a2 == 4))) || ((((42 + a4 <= 0 && 0 <= 599998 + a0) && a0 + 147 <= 0) && 5 <= a2) && !(a29 <= 43))) || ((((0 < a4 + 86 && 0 < 600165 + a0) && 42 + a4 <= 0) && a0 + 147 <= 0) && 3 == a2) RESULT: Ultimate proved your program to be correct! [2022-07-21 00:06:05,234 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE