./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/reducercommutativity/avg10-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version eb692b52 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/reducercommutativity/avg10-2.i -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 431bc26901e3cf271c74e4f10a5bc241d4509dbbafd99aaf0126c46ffc8b7c33 --- Real Ultimate output --- This is Ultimate 0.2.2-?-eb692b5 [2022-07-19 09:24:10,028 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-19 09:24:10,029 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-19 09:24:10,062 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-19 09:24:10,062 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-19 09:24:10,063 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-19 09:24:10,064 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-19 09:24:10,065 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-19 09:24:10,067 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-19 09:24:10,068 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-19 09:24:10,069 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-19 09:24:10,069 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-19 09:24:10,070 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-19 09:24:10,070 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-19 09:24:10,071 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-19 09:24:10,073 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-19 09:24:10,073 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-19 09:24:10,078 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-19 09:24:10,081 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-19 09:24:10,086 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-19 09:24:10,089 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-19 09:24:10,090 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-19 09:24:10,090 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-19 09:24:10,093 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-19 09:24:10,094 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-19 09:24:10,099 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-19 09:24:10,100 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-19 09:24:10,100 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-19 09:24:10,101 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-19 09:24:10,101 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-19 09:24:10,102 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-19 09:24:10,103 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-19 09:24:10,104 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-19 09:24:10,105 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-19 09:24:10,105 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-19 09:24:10,106 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-19 09:24:10,106 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-19 09:24:10,106 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-19 09:24:10,107 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-19 09:24:10,107 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-19 09:24:10,107 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-19 09:24:10,117 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-19 09:24:10,118 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-07-19 09:24:10,143 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-19 09:24:10,143 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-19 09:24:10,144 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-19 09:24:10,144 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-19 09:24:10,145 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-19 09:24:10,145 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-19 09:24:10,145 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-19 09:24:10,145 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-19 09:24:10,146 INFO L138 SettingsManager]: * Use SBE=true [2022-07-19 09:24:10,146 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-19 09:24:10,147 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-19 09:24:10,147 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-19 09:24:10,147 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-19 09:24:10,147 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-19 09:24:10,147 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-19 09:24:10,147 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-19 09:24:10,147 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-19 09:24:10,148 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-19 09:24:10,148 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-19 09:24:10,148 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-19 09:24:10,148 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-19 09:24:10,148 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-19 09:24:10,148 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-19 09:24:10,149 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-19 09:24:10,149 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-19 09:24:10,149 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-19 09:24:10,149 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-19 09:24:10,149 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-19 09:24:10,149 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-19 09:24:10,150 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-19 09:24:10,150 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-19 09:24:10,150 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-19 09:24:10,150 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-19 09:24:10,150 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 431bc26901e3cf271c74e4f10a5bc241d4509dbbafd99aaf0126c46ffc8b7c33 [2022-07-19 09:24:10,349 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-19 09:24:10,365 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-19 09:24:10,367 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-19 09:24:10,367 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-19 09:24:10,368 INFO L275 PluginConnector]: CDTParser initialized [2022-07-19 09:24:10,369 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/reducercommutativity/avg10-2.i [2022-07-19 09:24:10,413 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/78375362e/e9b50a5858bc4460b2b5232040cf4358/FLAG448fd0318 [2022-07-19 09:24:10,803 INFO L306 CDTParser]: Found 1 translation units. [2022-07-19 09:24:10,806 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/reducercommutativity/avg10-2.i [2022-07-19 09:24:10,811 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/78375362e/e9b50a5858bc4460b2b5232040cf4358/FLAG448fd0318 [2022-07-19 09:24:11,222 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/78375362e/e9b50a5858bc4460b2b5232040cf4358 [2022-07-19 09:24:11,225 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-19 09:24:11,226 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-19 09:24:11,230 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-19 09:24:11,231 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-19 09:24:11,233 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-19 09:24:11,234 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 09:24:11" (1/1) ... [2022-07-19 09:24:11,234 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d461bbc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:24:11, skipping insertion in model container [2022-07-19 09:24:11,235 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 09:24:11" (1/1) ... [2022-07-19 09:24:11,239 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-19 09:24:11,253 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-19 09:24:11,382 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/reducercommutativity/avg10-2.i[1282,1295] [2022-07-19 09:24:11,385 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-19 09:24:11,390 INFO L203 MainTranslator]: Completed pre-run [2022-07-19 09:24:11,405 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/reducercommutativity/avg10-2.i[1282,1295] [2022-07-19 09:24:11,406 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-19 09:24:11,415 INFO L208 MainTranslator]: Completed translation [2022-07-19 09:24:11,415 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:24:11 WrapperNode [2022-07-19 09:24:11,415 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-19 09:24:11,416 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-19 09:24:11,416 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-19 09:24:11,416 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-19 09:24:11,421 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:24:11" (1/1) ... [2022-07-19 09:24:11,426 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:24:11" (1/1) ... [2022-07-19 09:24:11,440 INFO L137 Inliner]: procedures = 16, calls = 22, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 67 [2022-07-19 09:24:11,441 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-19 09:24:11,441 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-19 09:24:11,441 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-19 09:24:11,441 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-19 09:24:11,447 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:24:11" (1/1) ... [2022-07-19 09:24:11,447 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:24:11" (1/1) ... [2022-07-19 09:24:11,449 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:24:11" (1/1) ... [2022-07-19 09:24:11,450 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:24:11" (1/1) ... [2022-07-19 09:24:11,453 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:24:11" (1/1) ... [2022-07-19 09:24:11,457 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:24:11" (1/1) ... [2022-07-19 09:24:11,458 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:24:11" (1/1) ... [2022-07-19 09:24:11,460 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-19 09:24:11,464 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-19 09:24:11,464 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-19 09:24:11,465 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-19 09:24:11,466 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:24:11" (1/1) ... [2022-07-19 09:24:11,477 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-19 09:24:11,487 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-19 09:24:11,499 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) [2022-07-19 09:24:11,501 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 [2022-07-19 09:24:11,525 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-19 09:24:11,526 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-19 09:24:11,526 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-19 09:24:11,526 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-19 09:24:11,526 INFO L130 BoogieDeclarations]: Found specification of procedure avg [2022-07-19 09:24:11,526 INFO L138 BoogieDeclarations]: Found implementation of procedure avg [2022-07-19 09:24:11,526 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-19 09:24:11,527 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-19 09:24:11,527 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-19 09:24:11,527 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-19 09:24:11,578 INFO L234 CfgBuilder]: Building ICFG [2022-07-19 09:24:11,579 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-19 09:24:11,739 INFO L275 CfgBuilder]: Performing block encoding [2022-07-19 09:24:11,743 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-19 09:24:11,743 INFO L299 CfgBuilder]: Removed 3 assume(true) statements. [2022-07-19 09:24:11,745 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 09:24:11 BoogieIcfgContainer [2022-07-19 09:24:11,745 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-19 09:24:11,748 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-19 09:24:11,748 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-19 09:24:11,752 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-19 09:24:11,752 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.07 09:24:11" (1/3) ... [2022-07-19 09:24:11,753 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e38a770 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.07 09:24:11, skipping insertion in model container [2022-07-19 09:24:11,753 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:24:11" (2/3) ... [2022-07-19 09:24:11,753 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e38a770 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.07 09:24:11, skipping insertion in model container [2022-07-19 09:24:11,753 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 09:24:11" (3/3) ... [2022-07-19 09:24:11,754 INFO L111 eAbstractionObserver]: Analyzing ICFG avg10-2.i [2022-07-19 09:24:11,768 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-19 09:24:11,768 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-19 09:24:11,814 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-19 09:24:11,821 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@3d1c4a5c, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@ebb5c9f [2022-07-19 09:24:11,821 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-19 09:24:11,830 INFO L276 IsEmpty]: Start isEmpty. Operand has 26 states, 20 states have (on average 1.4) internal successors, (28), 21 states have internal predecessors, (28), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-07-19 09:24:11,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-07-19 09:24:11,838 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 09:24:11,839 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 09:24:11,840 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 09:24:11,845 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 09:24:11,845 INFO L85 PathProgramCache]: Analyzing trace with hash -2001158789, now seen corresponding path program 1 times [2022-07-19 09:24:11,851 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 09:24:11,853 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1140360851] [2022-07-19 09:24:11,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 09:24:11,855 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 09:24:11,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 09:24:12,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-19 09:24:12,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 09:24:12,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-19 09:24:12,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 09:24:12,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-19 09:24:12,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 09:24:12,061 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-07-19 09:24:12,065 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 09:24:12,065 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1140360851] [2022-07-19 09:24:12,066 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1140360851] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-19 09:24:12,066 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [421077841] [2022-07-19 09:24:12,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 09:24:12,067 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-19 09:24:12,067 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-19 09:24:12,081 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) [2022-07-19 09:24:12,082 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-07-19 09:24:12,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 09:24:12,166 INFO L263 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-19 09:24:12,170 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-19 09:24:12,193 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-07-19 09:24:12,194 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-19 09:24:12,195 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [421077841] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 09:24:12,195 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-19 09:24:12,195 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2022-07-19 09:24:12,197 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1724197490] [2022-07-19 09:24:12,199 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 09:24:12,203 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-19 09:24:12,203 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 09:24:12,231 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-19 09:24:12,232 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-07-19 09:24:12,233 INFO L87 Difference]: Start difference. First operand has 26 states, 20 states have (on average 1.4) internal successors, (28), 21 states have internal predecessors, (28), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-07-19 09:24:12,255 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 09:24:12,256 INFO L93 Difference]: Finished difference Result 50 states and 69 transitions. [2022-07-19 09:24:12,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-19 09:24:12,258 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 28 [2022-07-19 09:24:12,258 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 09:24:12,271 INFO L225 Difference]: With dead ends: 50 [2022-07-19 09:24:12,272 INFO L226 Difference]: Without dead ends: 24 [2022-07-19 09:24:12,274 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-07-19 09:24:12,278 INFO L413 NwaCegarLoop]: 28 mSDtfsCounter, 1 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 54 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-19 09:24:12,280 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 54 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-19 09:24:12,298 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2022-07-19 09:24:12,312 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 23. [2022-07-19 09:24:12,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 18 states have (on average 1.1666666666666667) internal successors, (21), 18 states have internal predecessors, (21), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-07-19 09:24:12,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 27 transitions. [2022-07-19 09:24:12,314 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 27 transitions. Word has length 28 [2022-07-19 09:24:12,315 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 09:24:12,315 INFO L495 AbstractCegarLoop]: Abstraction has 23 states and 27 transitions. [2022-07-19 09:24:12,315 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-07-19 09:24:12,315 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 27 transitions. [2022-07-19 09:24:12,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-07-19 09:24:12,317 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 09:24:12,317 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 09:24:12,338 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-07-19 09:24:12,535 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,SelfDestructingSolverStorable0 [2022-07-19 09:24:12,536 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 09:24:12,537 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 09:24:12,537 INFO L85 PathProgramCache]: Analyzing trace with hash 202333565, now seen corresponding path program 1 times [2022-07-19 09:24:12,537 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 09:24:12,538 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2116613195] [2022-07-19 09:24:12,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 09:24:12,538 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 09:24:12,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 09:24:12,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-19 09:24:12,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 09:24:12,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-19 09:24:12,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 09:24:12,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-07-19 09:24:12,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 09:24:12,622 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-07-19 09:24:12,623 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 09:24:12,623 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2116613195] [2022-07-19 09:24:12,623 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2116613195] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-19 09:24:12,623 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1477206069] [2022-07-19 09:24:12,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 09:24:12,624 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-19 09:24:12,624 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-19 09:24:12,634 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) [2022-07-19 09:24:12,659 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-07-19 09:24:12,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 09:24:12,695 INFO L263 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-19 09:24:12,697 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-19 09:24:12,727 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-07-19 09:24:12,729 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-19 09:24:12,729 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1477206069] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 09:24:12,729 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-19 09:24:12,730 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2022-07-19 09:24:12,730 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1644419228] [2022-07-19 09:24:12,730 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 09:24:12,731 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-19 09:24:12,731 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 09:24:12,731 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-19 09:24:12,732 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-07-19 09:24:12,732 INFO L87 Difference]: Start difference. First operand 23 states and 27 transitions. Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) [2022-07-19 09:24:12,742 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 09:24:12,743 INFO L93 Difference]: Finished difference Result 42 states and 52 transitions. [2022-07-19 09:24:12,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-19 09:24:12,744 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) Word has length 30 [2022-07-19 09:24:12,744 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 09:24:12,745 INFO L225 Difference]: With dead ends: 42 [2022-07-19 09:24:12,745 INFO L226 Difference]: Without dead ends: 25 [2022-07-19 09:24:12,747 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-07-19 09:24:12,748 INFO L413 NwaCegarLoop]: 24 mSDtfsCounter, 1 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 46 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-19 09:24:12,749 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 46 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-19 09:24:12,753 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2022-07-19 09:24:12,756 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 24. [2022-07-19 09:24:12,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24 states, 19 states have (on average 1.1578947368421053) internal successors, (22), 19 states have internal predecessors, (22), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-07-19 09:24:12,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 28 transitions. [2022-07-19 09:24:12,760 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 28 transitions. Word has length 30 [2022-07-19 09:24:12,761 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 09:24:12,761 INFO L495 AbstractCegarLoop]: Abstraction has 24 states and 28 transitions. [2022-07-19 09:24:12,761 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) [2022-07-19 09:24:12,761 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 28 transitions. [2022-07-19 09:24:12,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-07-19 09:24:12,763 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 09:24:12,764 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 09:24:12,780 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-07-19 09:24:12,964 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,SelfDestructingSolverStorable1 [2022-07-19 09:24:12,965 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 09:24:12,965 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 09:24:12,965 INFO L85 PathProgramCache]: Analyzing trace with hash -796008709, now seen corresponding path program 1 times [2022-07-19 09:24:12,966 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 09:24:12,966 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1536030030] [2022-07-19 09:24:12,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 09:24:12,966 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 09:24:12,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 09:24:13,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-19 09:24:13,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 09:24:13,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-19 09:24:13,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 09:24:13,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-19 09:24:13,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 09:24:13,064 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 9 proven. 12 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-07-19 09:24:13,067 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 09:24:13,068 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1536030030] [2022-07-19 09:24:13,068 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1536030030] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-19 09:24:13,068 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [527676921] [2022-07-19 09:24:13,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 09:24:13,068 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-19 09:24:13,068 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-19 09:24:13,072 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) [2022-07-19 09:24:13,077 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-07-19 09:24:13,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 09:24:13,133 INFO L263 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-19 09:24:13,134 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-19 09:24:13,149 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-07-19 09:24:13,152 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-19 09:24:13,153 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [527676921] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 09:24:13,153 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-19 09:24:13,153 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2022-07-19 09:24:13,153 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1817025024] [2022-07-19 09:24:13,153 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 09:24:13,154 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-19 09:24:13,154 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 09:24:13,154 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-19 09:24:13,155 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-07-19 09:24:13,155 INFO L87 Difference]: Start difference. First operand 24 states and 28 transitions. Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-07-19 09:24:13,169 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 09:24:13,170 INFO L93 Difference]: Finished difference Result 39 states and 44 transitions. [2022-07-19 09:24:13,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-19 09:24:13,170 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 36 [2022-07-19 09:24:13,171 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 09:24:13,171 INFO L225 Difference]: With dead ends: 39 [2022-07-19 09:24:13,171 INFO L226 Difference]: Without dead ends: 26 [2022-07-19 09:24:13,172 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-07-19 09:24:13,175 INFO L413 NwaCegarLoop]: 24 mSDtfsCounter, 1 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 45 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-19 09:24:13,176 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 45 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-19 09:24:13,177 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2022-07-19 09:24:13,179 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 25. [2022-07-19 09:24:13,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 20 states have (on average 1.15) internal successors, (23), 20 states have internal predecessors, (23), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-07-19 09:24:13,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 29 transitions. [2022-07-19 09:24:13,180 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 29 transitions. Word has length 36 [2022-07-19 09:24:13,181 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 09:24:13,181 INFO L495 AbstractCegarLoop]: Abstraction has 25 states and 29 transitions. [2022-07-19 09:24:13,181 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-07-19 09:24:13,181 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 29 transitions. [2022-07-19 09:24:13,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-07-19 09:24:13,183 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 09:24:13,183 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 09:24:13,202 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-07-19 09:24:13,402 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-19 09:24:13,402 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 09:24:13,406 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 09:24:13,406 INFO L85 PathProgramCache]: Analyzing trace with hash 165229081, now seen corresponding path program 1 times [2022-07-19 09:24:13,406 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 09:24:13,406 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1470003367] [2022-07-19 09:24:13,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 09:24:13,406 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 09:24:13,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 09:24:13,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-19 09:24:13,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 09:24:13,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-19 09:24:13,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 09:24:13,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-07-19 09:24:13,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 09:24:13,467 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 9 proven. 12 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-07-19 09:24:13,467 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 09:24:13,468 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1470003367] [2022-07-19 09:24:13,468 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1470003367] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-19 09:24:13,468 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [453015489] [2022-07-19 09:24:13,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 09:24:13,468 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-19 09:24:13,468 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-19 09:24:13,471 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) [2022-07-19 09:24:13,503 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-07-19 09:24:13,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 09:24:13,533 INFO L263 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 3 conjunts are in the unsatisfiable core [2022-07-19 09:24:13,540 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-19 09:24:13,571 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2022-07-19 09:24:13,571 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-19 09:24:13,605 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2022-07-19 09:24:13,606 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [453015489] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-19 09:24:13,606 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-19 09:24:13,606 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 4, 4] total 9 [2022-07-19 09:24:13,606 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1487414159] [2022-07-19 09:24:13,606 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-19 09:24:13,607 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-19 09:24:13,607 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 09:24:13,607 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-19 09:24:13,607 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2022-07-19 09:24:13,607 INFO L87 Difference]: Start difference. First operand 25 states and 29 transitions. Second operand has 9 states, 9 states have (on average 4.111111111111111) internal successors, (37), 9 states have internal predecessors, (37), 1 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2022-07-19 09:24:13,650 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 09:24:13,650 INFO L93 Difference]: Finished difference Result 54 states and 68 transitions. [2022-07-19 09:24:13,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-07-19 09:24:13,651 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 4.111111111111111) internal successors, (37), 9 states have internal predecessors, (37), 1 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) Word has length 38 [2022-07-19 09:24:13,651 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 09:24:13,654 INFO L225 Difference]: With dead ends: 54 [2022-07-19 09:24:13,654 INFO L226 Difference]: Without dead ends: 34 [2022-07-19 09:24:13,655 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 81 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2022-07-19 09:24:13,656 INFO L413 NwaCegarLoop]: 22 mSDtfsCounter, 6 mSDsluCounter, 80 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 102 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-19 09:24:13,658 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 102 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-19 09:24:13,661 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2022-07-19 09:24:13,664 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 33. [2022-07-19 09:24:13,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33 states, 28 states have (on average 1.1071428571428572) internal successors, (31), 28 states have internal predecessors, (31), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-07-19 09:24:13,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 37 transitions. [2022-07-19 09:24:13,667 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 37 transitions. Word has length 38 [2022-07-19 09:24:13,667 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 09:24:13,668 INFO L495 AbstractCegarLoop]: Abstraction has 33 states and 37 transitions. [2022-07-19 09:24:13,668 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 4.111111111111111) internal successors, (37), 9 states have internal predecessors, (37), 1 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2022-07-19 09:24:13,682 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 37 transitions. [2022-07-19 09:24:13,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-07-19 09:24:13,684 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 09:24:13,685 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 4, 4, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 09:24:13,702 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-07-19 09:24:13,891 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-19 09:24:13,892 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 09:24:13,892 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 09:24:13,892 INFO L85 PathProgramCache]: Analyzing trace with hash -1299679203, now seen corresponding path program 2 times [2022-07-19 09:24:13,892 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 09:24:13,893 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1236168496] [2022-07-19 09:24:13,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 09:24:13,893 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 09:24:13,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 09:24:13,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-19 09:24:13,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 09:24:13,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-07-19 09:24:13,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 09:24:13,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-07-19 09:24:14,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 09:24:14,009 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2022-07-19 09:24:14,013 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 09:24:14,013 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1236168496] [2022-07-19 09:24:14,014 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1236168496] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-19 09:24:14,014 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1067403678] [2022-07-19 09:24:14,014 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-19 09:24:14,014 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-19 09:24:14,014 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-19 09:24:14,015 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) [2022-07-19 09:24:14,016 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-07-19 09:24:14,086 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-07-19 09:24:14,086 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-19 09:24:14,088 INFO L263 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 6 conjunts are in the unsatisfiable core [2022-07-19 09:24:14,092 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-19 09:24:14,137 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2022-07-19 09:24:14,137 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-19 09:24:14,208 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2022-07-19 09:24:14,209 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1067403678] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-19 09:24:14,209 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-19 09:24:14,209 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 7, 7] total 14 [2022-07-19 09:24:14,209 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1392771832] [2022-07-19 09:24:14,209 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-19 09:24:14,211 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-07-19 09:24:14,211 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 09:24:14,211 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-07-19 09:24:14,211 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=111, Unknown=0, NotChecked=0, Total=182 [2022-07-19 09:24:14,212 INFO L87 Difference]: Start difference. First operand 33 states and 37 transitions. Second operand has 14 states, 14 states have (on average 3.642857142857143) internal successors, (51), 14 states have internal predecessors, (51), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-07-19 09:24:14,257 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 09:24:14,257 INFO L93 Difference]: Finished difference Result 70 states and 84 transitions. [2022-07-19 09:24:14,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-07-19 09:24:14,258 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.642857142857143) internal successors, (51), 14 states have internal predecessors, (51), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 50 [2022-07-19 09:24:14,258 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 09:24:14,259 INFO L225 Difference]: With dead ends: 70 [2022-07-19 09:24:14,260 INFO L226 Difference]: Without dead ends: 48 [2022-07-19 09:24:14,260 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 96 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=71, Invalid=111, Unknown=0, NotChecked=0, Total=182 [2022-07-19 09:24:14,261 INFO L413 NwaCegarLoop]: 22 mSDtfsCounter, 17 mSDsluCounter, 58 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 80 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-19 09:24:14,262 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 80 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-19 09:24:14,262 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2022-07-19 09:24:14,271 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 47. [2022-07-19 09:24:14,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 42 states have (on average 1.0714285714285714) internal successors, (45), 42 states have internal predecessors, (45), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-07-19 09:24:14,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 51 transitions. [2022-07-19 09:24:14,275 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 51 transitions. Word has length 50 [2022-07-19 09:24:14,275 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 09:24:14,275 INFO L495 AbstractCegarLoop]: Abstraction has 47 states and 51 transitions. [2022-07-19 09:24:14,276 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.642857142857143) internal successors, (51), 14 states have internal predecessors, (51), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-07-19 09:24:14,276 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 51 transitions. [2022-07-19 09:24:14,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-07-19 09:24:14,276 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 09:24:14,276 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 6, 6, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 09:24:14,295 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-07-19 09:24:14,477 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-19 09:24:14,477 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 09:24:14,478 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 09:24:14,478 INFO L85 PathProgramCache]: Analyzing trace with hash 936210247, now seen corresponding path program 3 times [2022-07-19 09:24:14,478 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 09:24:14,478 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1379763643] [2022-07-19 09:24:14,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 09:24:14,478 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 09:24:14,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 09:24:14,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-19 09:24:14,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 09:24:14,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-19 09:24:14,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 09:24:14,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-07-19 09:24:14,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 09:24:14,585 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 131 trivial. 0 not checked. [2022-07-19 09:24:14,585 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 09:24:14,585 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1379763643] [2022-07-19 09:24:14,586 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1379763643] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-19 09:24:14,587 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2098698251] [2022-07-19 09:24:14,588 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-07-19 09:24:14,589 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-19 09:24:14,589 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-19 09:24:14,604 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) [2022-07-19 09:24:14,605 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-07-19 09:24:14,663 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2022-07-19 09:24:14,663 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-19 09:24:14,664 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-19 09:24:14,676 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-19 09:24:14,689 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 32 proven. 4 refuted. 0 times theorem prover too weak. 131 trivial. 0 not checked. [2022-07-19 09:24:14,689 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-19 09:24:14,726 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 32 proven. 4 refuted. 0 times theorem prover too weak. 131 trivial. 0 not checked. [2022-07-19 09:24:14,726 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2098698251] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-19 09:24:14,726 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-19 09:24:14,726 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 8 [2022-07-19 09:24:14,726 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [736944519] [2022-07-19 09:24:14,727 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-19 09:24:14,727 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-19 09:24:14,727 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 09:24:14,727 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-19 09:24:14,727 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2022-07-19 09:24:14,728 INFO L87 Difference]: Start difference. First operand 47 states and 51 transitions. Second operand has 8 states, 8 states have (on average 5.0) internal successors, (40), 8 states have internal predecessors, (40), 2 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-07-19 09:24:14,745 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 09:24:14,746 INFO L93 Difference]: Finished difference Result 78 states and 91 transitions. [2022-07-19 09:24:14,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-07-19 09:24:14,746 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.0) internal successors, (40), 8 states have internal predecessors, (40), 2 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 64 [2022-07-19 09:24:14,746 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 09:24:14,747 INFO L225 Difference]: With dead ends: 78 [2022-07-19 09:24:14,747 INFO L226 Difference]: Without dead ends: 55 [2022-07-19 09:24:14,747 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 131 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2022-07-19 09:24:14,748 INFO L413 NwaCegarLoop]: 24 mSDtfsCounter, 6 mSDsluCounter, 44 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 68 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-19 09:24:14,748 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 68 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-19 09:24:14,749 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2022-07-19 09:24:14,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2022-07-19 09:24:14,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55 states, 50 states have (on average 1.06) internal successors, (53), 50 states have internal predecessors, (53), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-07-19 09:24:14,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 59 transitions. [2022-07-19 09:24:14,753 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 59 transitions. Word has length 64 [2022-07-19 09:24:14,753 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 09:24:14,753 INFO L495 AbstractCegarLoop]: Abstraction has 55 states and 59 transitions. [2022-07-19 09:24:14,753 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.0) internal successors, (40), 8 states have internal predecessors, (40), 2 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-07-19 09:24:14,753 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 59 transitions. [2022-07-19 09:24:14,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2022-07-19 09:24:14,754 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 09:24:14,754 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 10, 10, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 09:24:14,781 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-07-19 09:24:14,961 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-19 09:24:14,961 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 09:24:14,962 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 09:24:14,962 INFO L85 PathProgramCache]: Analyzing trace with hash 571451455, now seen corresponding path program 4 times [2022-07-19 09:24:14,962 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 09:24:14,962 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1428907622] [2022-07-19 09:24:14,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 09:24:14,962 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 09:24:14,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 09:24:15,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-19 09:24:15,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 09:24:15,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-07-19 09:24:15,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 09:24:15,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-19 09:24:15,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 09:24:15,084 INFO L134 CoverageAnalysis]: Checked inductivity of 479 backedges. 0 proven. 212 refuted. 0 times theorem prover too weak. 267 trivial. 0 not checked. [2022-07-19 09:24:15,084 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 09:24:15,084 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1428907622] [2022-07-19 09:24:15,084 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1428907622] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-19 09:24:15,084 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1771008298] [2022-07-19 09:24:15,085 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-07-19 09:24:15,085 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-19 09:24:15,085 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-19 09:24:15,086 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-19 09:24:15,087 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-07-19 09:24:15,158 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-07-19 09:24:15,158 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-19 09:24:15,159 INFO L263 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 8 conjunts are in the unsatisfiable core [2022-07-19 09:24:15,165 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-19 09:24:15,194 INFO L134 CoverageAnalysis]: Checked inductivity of 479 backedges. 172 proven. 36 refuted. 0 times theorem prover too weak. 271 trivial. 0 not checked. [2022-07-19 09:24:15,194 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-19 09:24:15,257 INFO L134 CoverageAnalysis]: Checked inductivity of 479 backedges. 0 proven. 212 refuted. 0 times theorem prover too weak. 267 trivial. 0 not checked. [2022-07-19 09:24:15,257 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1771008298] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-19 09:24:15,257 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-19 09:24:15,257 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 12 [2022-07-19 09:24:15,258 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [286622773] [2022-07-19 09:24:15,258 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-19 09:24:15,258 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-07-19 09:24:15,258 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 09:24:15,259 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-07-19 09:24:15,259 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2022-07-19 09:24:15,259 INFO L87 Difference]: Start difference. First operand 55 states and 59 transitions. Second operand has 12 states, 12 states have (on average 4.0) internal successors, (48), 12 states have internal predecessors, (48), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 1 states have call predecessors, (5), 2 states have call successors, (5) [2022-07-19 09:24:15,293 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 09:24:15,293 INFO L93 Difference]: Finished difference Result 94 states and 107 transitions. [2022-07-19 09:24:15,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-07-19 09:24:15,294 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 4.0) internal successors, (48), 12 states have internal predecessors, (48), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 1 states have call predecessors, (5), 2 states have call successors, (5) Word has length 88 [2022-07-19 09:24:15,294 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 09:24:15,296 INFO L225 Difference]: With dead ends: 94 [2022-07-19 09:24:15,296 INFO L226 Difference]: Without dead ends: 63 [2022-07-19 09:24:15,299 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 189 GetRequests, 178 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2022-07-19 09:24:15,300 INFO L413 NwaCegarLoop]: 24 mSDtfsCounter, 10 mSDsluCounter, 66 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 90 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-19 09:24:15,300 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 90 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-19 09:24:15,300 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2022-07-19 09:24:15,311 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 63. [2022-07-19 09:24:15,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 58 states have (on average 1.0517241379310345) internal successors, (61), 58 states have internal predecessors, (61), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-07-19 09:24:15,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 67 transitions. [2022-07-19 09:24:15,315 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 67 transitions. Word has length 88 [2022-07-19 09:24:15,316 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 09:24:15,316 INFO L495 AbstractCegarLoop]: Abstraction has 63 states and 67 transitions. [2022-07-19 09:24:15,316 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 4.0) internal successors, (48), 12 states have internal predecessors, (48), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 1 states have call predecessors, (5), 2 states have call successors, (5) [2022-07-19 09:24:15,316 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 67 transitions. [2022-07-19 09:24:15,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-07-19 09:24:15,318 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 09:24:15,318 INFO L195 NwaCegarLoop]: trace histogram [30, 30, 10, 10, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 09:24:15,339 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-07-19 09:24:15,519 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-19 09:24:15,520 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 09:24:15,520 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 09:24:15,520 INFO L85 PathProgramCache]: Analyzing trace with hash -2026866377, now seen corresponding path program 5 times [2022-07-19 09:24:15,520 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 09:24:15,520 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [851692892] [2022-07-19 09:24:15,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 09:24:15,520 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 09:24:15,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 09:24:15,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-19 09:24:15,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 09:24:15,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-19 09:24:15,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 09:24:15,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-07-19 09:24:15,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 09:24:15,612 INFO L134 CoverageAnalysis]: Checked inductivity of 1079 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1075 trivial. 0 not checked. [2022-07-19 09:24:15,613 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 09:24:15,613 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [851692892] [2022-07-19 09:24:15,613 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [851692892] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-19 09:24:15,613 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1881189459] [2022-07-19 09:24:15,613 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-07-19 09:24:15,613 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-19 09:24:15,613 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-19 09:24:15,614 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-19 09:24:15,643 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-07-19 09:24:15,992 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 22 check-sat command(s) [2022-07-19 09:24:15,992 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-19 09:24:15,995 INFO L263 TraceCheckSpWp]: Trace formula consists of 321 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-19 09:24:15,997 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-19 09:24:16,009 INFO L134 CoverageAnalysis]: Checked inductivity of 1079 backedges. 450 proven. 4 refuted. 0 times theorem prover too weak. 625 trivial. 0 not checked. [2022-07-19 09:24:16,009 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-19 09:24:16,036 INFO L134 CoverageAnalysis]: Checked inductivity of 1079 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1075 trivial. 0 not checked. [2022-07-19 09:24:16,037 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1881189459] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-19 09:24:16,037 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-19 09:24:16,037 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 9 [2022-07-19 09:24:16,037 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1899235720] [2022-07-19 09:24:16,037 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-19 09:24:16,038 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-19 09:24:16,038 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 09:24:16,038 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-19 09:24:16,038 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=36, Unknown=0, NotChecked=0, Total=72 [2022-07-19 09:24:16,039 INFO L87 Difference]: Start difference. First operand 63 states and 67 transitions. Second operand has 9 states, 9 states have (on average 4.111111111111111) internal successors, (37), 9 states have internal predecessors, (37), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-07-19 09:24:16,058 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 09:24:16,058 INFO L93 Difference]: Finished difference Result 102 states and 110 transitions. [2022-07-19 09:24:16,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-07-19 09:24:16,059 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 4.111111111111111) internal successors, (37), 9 states have internal predecessors, (37), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 112 [2022-07-19 09:24:16,059 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 09:24:16,060 INFO L225 Difference]: With dead ends: 102 [2022-07-19 09:24:16,060 INFO L226 Difference]: Without dead ends: 71 [2022-07-19 09:24:16,060 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 233 GetRequests, 226 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=36, Invalid=36, Unknown=0, NotChecked=0, Total=72 [2022-07-19 09:24:16,061 INFO L413 NwaCegarLoop]: 24 mSDtfsCounter, 9 mSDsluCounter, 42 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 66 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-19 09:24:16,061 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 66 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-19 09:24:16,061 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2022-07-19 09:24:16,064 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2022-07-19 09:24:16,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71 states, 66 states have (on average 1.0454545454545454) internal successors, (69), 66 states have internal predecessors, (69), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-07-19 09:24:16,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 75 transitions. [2022-07-19 09:24:16,065 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 75 transitions. Word has length 112 [2022-07-19 09:24:16,065 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 09:24:16,066 INFO L495 AbstractCegarLoop]: Abstraction has 71 states and 75 transitions. [2022-07-19 09:24:16,066 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 4.111111111111111) internal successors, (37), 9 states have internal predecessors, (37), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-07-19 09:24:16,066 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 75 transitions. [2022-07-19 09:24:16,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2022-07-19 09:24:16,067 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 09:24:16,067 INFO L195 NwaCegarLoop]: trace histogram [30, 30, 10, 10, 6, 6, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 09:24:16,091 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-07-19 09:24:16,272 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2022-07-19 09:24:16,273 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 09:24:16,273 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 09:24:16,273 INFO L85 PathProgramCache]: Analyzing trace with hash 2045037743, now seen corresponding path program 6 times [2022-07-19 09:24:16,273 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 09:24:16,273 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1128280651] [2022-07-19 09:24:16,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 09:24:16,273 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 09:24:16,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 09:24:16,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-19 09:24:16,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 09:24:16,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-19 09:24:16,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 09:24:16,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-19 09:24:16,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 09:24:16,371 INFO L134 CoverageAnalysis]: Checked inductivity of 1111 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 1075 trivial. 0 not checked. [2022-07-19 09:24:16,371 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 09:24:16,371 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1128280651] [2022-07-19 09:24:16,371 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1128280651] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-19 09:24:16,372 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1012109766] [2022-07-19 09:24:16,372 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-07-19 09:24:16,372 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-19 09:24:16,372 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-19 09:24:16,373 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-19 09:24:16,374 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-07-19 09:24:16,701 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 15 check-sat command(s) [2022-07-19 09:24:16,702 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-19 09:24:16,707 INFO L263 TraceCheckSpWp]: Trace formula consists of 327 conjuncts, 8 conjunts are in the unsatisfiable core [2022-07-19 09:24:16,709 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-19 09:24:16,738 INFO L134 CoverageAnalysis]: Checked inductivity of 1111 backedges. 450 proven. 36 refuted. 0 times theorem prover too weak. 625 trivial. 0 not checked. [2022-07-19 09:24:16,738 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-19 09:24:16,787 INFO L134 CoverageAnalysis]: Checked inductivity of 1111 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 1075 trivial. 0 not checked. [2022-07-19 09:24:16,788 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1012109766] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-19 09:24:16,788 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-19 09:24:16,788 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 12 [2022-07-19 09:24:16,788 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [917914650] [2022-07-19 09:24:16,788 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-19 09:24:16,789 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-07-19 09:24:16,789 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 09:24:16,789 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-07-19 09:24:16,789 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2022-07-19 09:24:16,790 INFO L87 Difference]: Start difference. First operand 71 states and 75 transitions. Second operand has 12 states, 12 states have (on average 3.75) internal successors, (45), 12 states have internal predecessors, (45), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-07-19 09:24:16,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 09:24:16,816 INFO L93 Difference]: Finished difference Result 108 states and 115 transitions. [2022-07-19 09:24:16,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-07-19 09:24:16,816 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 3.75) internal successors, (45), 12 states have internal predecessors, (45), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 120 [2022-07-19 09:24:16,819 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 09:24:16,819 INFO L225 Difference]: With dead ends: 108 [2022-07-19 09:24:16,820 INFO L226 Difference]: Without dead ends: 77 [2022-07-19 09:24:16,820 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 253 GetRequests, 242 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2022-07-19 09:24:16,822 INFO L413 NwaCegarLoop]: 24 mSDtfsCounter, 9 mSDsluCounter, 84 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 108 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-19 09:24:16,822 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 108 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-19 09:24:16,823 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2022-07-19 09:24:16,840 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 77. [2022-07-19 09:24:16,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77 states, 72 states have (on average 1.0416666666666667) internal successors, (75), 72 states have internal predecessors, (75), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-07-19 09:24:16,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 81 transitions. [2022-07-19 09:24:16,841 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 81 transitions. Word has length 120 [2022-07-19 09:24:16,841 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 09:24:16,841 INFO L495 AbstractCegarLoop]: Abstraction has 77 states and 81 transitions. [2022-07-19 09:24:16,841 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 3.75) internal successors, (45), 12 states have internal predecessors, (45), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-07-19 09:24:16,841 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 81 transitions. [2022-07-19 09:24:16,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2022-07-19 09:24:16,842 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 09:24:16,842 INFO L195 NwaCegarLoop]: trace histogram [30, 30, 10, 10, 9, 9, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 09:24:16,863 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2022-07-19 09:24:17,043 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-19 09:24:17,044 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 09:24:17,044 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 09:24:17,044 INFO L85 PathProgramCache]: Analyzing trace with hash -1529370487, now seen corresponding path program 7 times [2022-07-19 09:24:17,044 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 09:24:17,044 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [257512813] [2022-07-19 09:24:17,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 09:24:17,044 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 09:24:18,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 09:24:35,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-19 09:24:35,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 09:24:38,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-19 09:24:38,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 09:24:42,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-07-19 09:24:42,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 09:24:45,810 INFO L134 CoverageAnalysis]: Checked inductivity of 1156 backedges. 30 proven. 1092 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2022-07-19 09:24:45,810 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 09:24:45,810 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [257512813] [2022-07-19 09:24:45,811 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [257512813] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-19 09:24:45,811 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [939899496] [2022-07-19 09:24:45,811 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-07-19 09:24:45,811 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-19 09:24:45,811 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-19 09:24:45,812 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-19 09:24:45,821 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-07-19 09:24:45,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 09:24:45,963 WARN L261 TraceCheckSpWp]: Trace formula consists of 430 conjuncts, 260 conjunts are in the unsatisfiable core [2022-07-19 09:24:45,972 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-19 09:24:47,182 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-07-19 09:25:28,766 WARN L233 SmtUtils]: Spent 10.94s on a formula simplification. DAG size of input: 210 DAG size of output: 203 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-07-19 09:25:51,101 WARN L233 SmtUtils]: Spent 6.75s on a formula simplification that was a NOOP. DAG size: 204 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-07-19 09:25:51,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 09:25:51,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 09:25:51,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 09:25:51,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 09:25:51,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 09:25:51,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 09:25:51,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 09:25:51,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 09:25:51,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 09:25:51,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 09:25:51,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 09:25:51,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 09:25:51,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 09:25:51,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 09:25:51,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 09:25:51,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 09:25:51,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 09:25:51,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 09:25:51,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 09:25:51,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 09:25:51,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 09:25:51,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 09:25:51,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 09:25:51,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 09:25:51,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 09:25:51,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 09:25:51,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 09:25:51,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 09:25:51,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 09:25:51,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 09:25:51,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 09:25:51,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 09:25:51,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 09:25:51,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 09:25:51,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 09:25:51,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 09:25:51,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 09:25:51,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 09:25:51,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 09:25:51,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 09:25:51,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 09:25:51,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 09:25:51,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 09:25:51,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 09:25:51,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-19 09:25:51,221 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-07-19 09:25:51,222 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 45 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 45 case distinctions, treesize of input 3771 treesize of output 1455 [2022-07-19 09:26:06,069 WARN L233 SmtUtils]: Spent 6.24s on a formula simplification that was a NOOP. DAG size: 204 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-07-19 09:26:09,721 WARN L855 $PredicateComparison]: unable to prove that (or (exists ((|aux_div_aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~ret~1#1_BEFORE_CALL_1_86_564_594_498| Int) (|aux_div_aux_mod_aux_mod_v_ULTIMATE.start_main_~ret~1#1_BEFORE_CALL_1_86_564_594| Int) (|aux_div_aux_mod_v_ULTIMATE.start_main_~ret~1#1_BEFORE_CALL_1_86_564| Int) (|aux_div_v_ULTIMATE.start_main_~ret~1#1_BEFORE_CALL_1_86| Int) (|v_ULTIMATE.start_main_~#x~0#1.base_BEFORE_CALL_1| Int)) (let ((.cse16 (select |c_#memory_int| |v_ULTIMATE.start_main_~#x~0#1.base_BEFORE_CALL_1|))) (let ((.cse15 (select .cse16 36)) (.cse12 (select .cse16 16)) (.cse7 (select .cse16 28)) (.cse9 (select .cse16 12)) (.cse11 (select .cse16 4)) (.cse8 (select .cse16 32)) (.cse10 (select .cse16 8)) (.cse13 (select .cse16 24)) (.cse14 (select .cse16 0)) (.cse6 (select .cse16 20))) (let ((.cse0 (* |aux_div_aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~ret~1#1_BEFORE_CALL_1_86_564_594_498| 4294967296)) (.cse2 (* |aux_div_v_ULTIMATE.start_main_~ret~1#1_BEFORE_CALL_1_86| 4294967296)) (.cse1 (div (+ .cse15 .cse12 .cse7 .cse9 .cse11 .cse8 .cse10 .cse13 .cse14 .cse6) 10)) (.cse4 (* 4294967296 |aux_div_aux_mod_v_ULTIMATE.start_main_~ret~1#1_BEFORE_CALL_1_86_564|)) (.cse5 (* |aux_div_aux_mod_aux_mod_v_ULTIMATE.start_main_~ret~1#1_BEFORE_CALL_1_86_564_594| 4294967296)) (.cse3 (div (+ (* (- 1) .cse6) (* (- 1) .cse7) (* (- 1) .cse8) (* (- 1) .cse9) (* (- 1) .cse10) (* (- 1) .cse11) (* (- 1) .cse12) (* (- 1) .cse13) (* (- 1) .cse14) (* (- 1) .cse15)) (- 10)))) (and (<= (+ 2147483647 .cse0) (+ .cse1 .cse2)) (<= (+ .cse3 .cse0) (+ .cse1 .cse4)) (<= 0 (+ .cse5 .cse2)) (< .cse3 (+ .cse4 4294967296)) (< (+ |aux_div_aux_mod_aux_mod_v_ULTIMATE.start_main_~ret~1#1_BEFORE_CALL_1_86_564_594| |aux_div_aux_mod_v_ULTIMATE.start_main_~ret~1#1_BEFORE_CALL_1_86_564|) (+ (div .cse1 4294967296) 1)) (<= 0 (+ 2147483647 .cse5)) (<= .cse3 (+ 2147483647 .cse4 .cse5)) (< (+ (div (+ 4294967294 (* (- 1) .cse3)) (- 4294967296)) |aux_div_v_ULTIMATE.start_main_~ret~1#1_BEFORE_CALL_1_86|) (+ |aux_div_aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~ret~1#1_BEFORE_CALL_1_86_564_594_498| 1))))))) (exists ((|aux_div_aux_mod_aux_mod_v_ULTIMATE.start_main_~ret~1#1_BEFORE_CALL_1_471_798_830| Int) (|aux_div_aux_mod_v_ULTIMATE.start_main_~ret~1#1_BEFORE_CALL_1_471_798| Int) (|aux_div_v_ULTIMATE.start_main_~ret~1#1_BEFORE_CALL_1_471| Int) (|aux_div_aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~ret~1#1_BEFORE_CALL_1_471_798_830_626| Int) (|v_ULTIMATE.start_main_~#x~0#1.base_BEFORE_CALL_1| Int)) (let ((.cse31 (select |c_#memory_int| |v_ULTIMATE.start_main_~#x~0#1.base_BEFORE_CALL_1|))) (let ((.cse30 (select .cse31 20)) (.cse23 (select .cse31 28)) (.cse26 (select .cse31 32)) (.cse24 (select .cse31 12)) (.cse27 (select .cse31 8)) (.cse25 (select .cse31 4)) (.cse22 (select .cse31 16)) (.cse28 (select .cse31 24)) (.cse29 (select .cse31 0)) (.cse21 (select .cse31 36))) (let ((.cse19 (+ (* (- 1) .cse30) (- 1) (* (- 1) .cse23) (* (- 1) .cse26) (* (- 1) .cse24) (* (- 1) .cse27) (* (- 1) .cse25) (* (- 1) .cse22) (* (- 1) .cse28) (* (- 1) .cse29) (* (- 1) .cse21)))) (let ((.cse17 (div .cse19 (- 10))) (.cse20 (div (+ .cse21 .cse22 .cse23 .cse24 .cse25 .cse26 .cse27 .cse28 .cse29 .cse30 10) 10)) (.cse18 (* |aux_div_v_ULTIMATE.start_main_~ret~1#1_BEFORE_CALL_1_471| 4294967296))) (and (<= .cse17 (+ 2147483647 .cse18 (* |aux_div_aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~ret~1#1_BEFORE_CALL_1_471_798_830_626| 4294967296))) (< 0 (+ (div .cse19 10) 1)) (<= (* |aux_div_aux_mod_v_ULTIMATE.start_main_~ret~1#1_BEFORE_CALL_1_471_798| 4294967296) .cse20) (< .cse17 (+ .cse18 4294967296)) (< .cse17 (+ (div (+ .cse21 .cse22 .cse23 .cse24 .cse25 .cse26 9 .cse27 .cse28 .cse29 .cse30) 10) 1)) (< (+ |aux_div_aux_mod_aux_mod_v_ULTIMATE.start_main_~ret~1#1_BEFORE_CALL_1_471_798_830| |aux_div_aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~ret~1#1_BEFORE_CALL_1_471_798_830_626|) (+ (div .cse20 4294967296) 1)) (< |aux_div_v_ULTIMATE.start_main_~ret~1#1_BEFORE_CALL_1_471| (+ |aux_div_aux_mod_v_ULTIMATE.start_main_~ret~1#1_BEFORE_CALL_1_471_798| 1)) (< .cse18 (+ (* |aux_div_aux_mod_aux_mod_v_ULTIMATE.start_main_~ret~1#1_BEFORE_CALL_1_471_798_830| 4294967296) 4294967296)))))))) (exists ((|aux_div_aux_mod_aux_mod_v_ULTIMATE.start_main_~ret~1#1_BEFORE_CALL_1_73_559_811| Int) (|aux_div_aux_mod_v_ULTIMATE.start_main_~ret~1#1_BEFORE_CALL_1_73_559| Int) (|v_ULTIMATE.start_main_~#x~0#1.base_BEFORE_CALL_1| Int)) (let ((.cse46 (select |c_#memory_int| |v_ULTIMATE.start_main_~#x~0#1.base_BEFORE_CALL_1|))) (let ((.cse45 (select .cse46 36)) (.cse42 (select .cse46 16)) (.cse37 (select .cse46 28)) (.cse39 (select .cse46 12)) (.cse41 (select .cse46 4)) (.cse38 (select .cse46 32)) (.cse40 (select .cse46 8)) (.cse43 (select .cse46 24)) (.cse44 (select .cse46 0)) (.cse36 (select .cse46 20))) (let ((.cse34 (div (+ .cse45 .cse42 .cse37 .cse39 .cse41 .cse38 .cse40 .cse43 .cse44 .cse36) 10))) (let ((.cse32 (div .cse34 4294967296)) (.cse33 (div (+ (* (- 1) .cse36) (* (- 1) .cse37) (* (- 1) .cse38) (* (- 1) .cse39) (* (- 1) .cse40) (* (- 1) .cse41) (* (- 1) .cse42) (* (- 1) .cse43) (* (- 1) .cse44) (* (- 1) .cse45)) (- 10))) (.cse35 (* 4294967296 |aux_div_aux_mod_v_ULTIMATE.start_main_~ret~1#1_BEFORE_CALL_1_73_559|))) (and (< |aux_div_aux_mod_v_ULTIMATE.start_main_~ret~1#1_BEFORE_CALL_1_73_559| (+ .cse32 1)) (< (+ (div (+ (* (- 1) .cse33) 2147483646) (- 4294967296)) |aux_div_aux_mod_v_ULTIMATE.start_main_~ret~1#1_BEFORE_CALL_1_73_559|) (+ |aux_div_aux_mod_aux_mod_v_ULTIMATE.start_main_~ret~1#1_BEFORE_CALL_1_73_559_811| .cse32 1)) (<= (+ .cse33 (* |aux_div_aux_mod_aux_mod_v_ULTIMATE.start_main_~ret~1#1_BEFORE_CALL_1_73_559_811| 4294967296)) (+ .cse34 .cse35)) (< .cse33 (+ .cse35 4294967296)))))))) (exists ((|aux_div_aux_mod_aux_mod_v_ULTIMATE.start_main_~ret~1#1_BEFORE_CALL_1_87_577_590| Int) (|aux_div_aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~ret~1#1_BEFORE_CALL_1_87_577_590_498| Int) (|aux_div_v_ULTIMATE.start_main_~ret~1#1_BEFORE_CALL_1_87| Int) (|aux_div_aux_mod_v_ULTIMATE.start_main_~ret~1#1_BEFORE_CALL_1_87_577| Int) (|v_ULTIMATE.start_main_~#x~0#1.base_BEFORE_CALL_1| Int)) (let ((.cse71 (select |c_#memory_int| |v_ULTIMATE.start_main_~#x~0#1.base_BEFORE_CALL_1|))) (let ((.cse59 (select .cse71 36)) (.cse67 (select .cse71 0)) (.cse66 (select .cse71 24)) (.cse60 (select .cse71 16)) (.cse63 (select .cse71 4)) (.cse65 (select .cse71 8)) (.cse62 (select .cse71 12)) (.cse64 (select .cse71 32)) (.cse61 (select .cse71 28)) (.cse68 (select .cse71 20))) (let ((.cse47 (* (- 1) .cse68)) (.cse48 (* (- 1) .cse61)) (.cse49 (* (- 1) .cse64)) (.cse50 (* (- 1) .cse62)) (.cse51 (* (- 1) .cse65)) (.cse52 (* (- 1) .cse63)) (.cse53 (* (- 1) .cse60)) (.cse54 (* (- 1) .cse66)) (.cse55 (* (- 1) .cse67)) (.cse56 (* (- 1) .cse59))) (let ((.cse69 (* |aux_div_aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~ret~1#1_BEFORE_CALL_1_87_577_590_498| 4294967296)) (.cse70 (div (+ .cse59 .cse60 .cse61 .cse62 .cse63 .cse64 .cse65 .cse66 .cse67 .cse68 10) 10)) (.cse57 (div (+ .cse47 .cse48 .cse49 .cse50 .cse51 42949672959 .cse52 .cse53 .cse54 .cse55 .cse56) (- 10))) (.cse58 (* 4294967296 |aux_div_aux_mod_aux_mod_v_ULTIMATE.start_main_~ret~1#1_BEFORE_CALL_1_87_577_590|))) (and (< 0 (+ (div (+ .cse47 (- 1) .cse48 .cse49 .cse50 .cse51 .cse52 .cse53 .cse54 .cse55 .cse56) 10) 1)) (< (+ .cse57 .cse58) (+ (* 4294967296 |aux_div_aux_mod_v_ULTIMATE.start_main_~ret~1#1_BEFORE_CALL_1_87_577|) 1)) (< .cse57 (+ 1 (div (+ .cse59 (- 42949672951) .cse60 .cse61 .cse62 .cse63 .cse64 .cse65 .cse66 .cse67 .cse68) 10))) (<= (+ .cse69 1) (+ .cse70 .cse58)) (<= .cse69 .cse70) (< (+ |aux_div_v_ULTIMATE.start_main_~ret~1#1_BEFORE_CALL_1_87| |aux_div_aux_mod_v_ULTIMATE.start_main_~ret~1#1_BEFORE_CALL_1_87_577|) (+ (div (+ .cse70 (- 2147483648)) 4294967296) 1)) (< (+ (div (+ (- 2147483648) (* (- 1) .cse57)) (- 4294967296)) |aux_div_aux_mod_aux_mod_v_ULTIMATE.start_main_~ret~1#1_BEFORE_CALL_1_87_577_590|) (+ |aux_div_aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~ret~1#1_BEFORE_CALL_1_87_577_590_498| 1)) (< 0 (+ 4294967295 .cse58)) (<= 0 (+ 4294967294 .cse58 (* |aux_div_v_ULTIMATE.start_main_~ret~1#1_BEFORE_CALL_1_87| 4294967296))))))))) (exists ((|aux_div_v_ULTIMATE.start_main_~ret~1#1_BEFORE_CALL_1_477| Int) (|aux_div_aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~ret~1#1_BEFORE_CALL_1_477_817_498_230| Int) (|aux_div_aux_mod_aux_mod_v_ULTIMATE.start_main_~ret~1#1_BEFORE_CALL_1_477_817_498| Int) (|aux_div_aux_mod_v_ULTIMATE.start_main_~ret~1#1_BEFORE_CALL_1_477_817| Int) (|v_ULTIMATE.start_main_~#x~0#1.base_BEFORE_CALL_1| Int)) (let ((.cse87 (select |c_#memory_int| |v_ULTIMATE.start_main_~#x~0#1.base_BEFORE_CALL_1|))) (let ((.cse86 (select .cse87 20)) (.cse79 (select .cse87 28)) (.cse82 (select .cse87 32)) (.cse80 (select .cse87 12)) (.cse83 (select .cse87 8)) (.cse81 (select .cse87 4)) (.cse78 (select .cse87 16)) (.cse84 (select .cse87 24)) (.cse85 (select .cse87 0)) (.cse77 (select .cse87 36))) (let ((.cse74 (* 4294967296 |aux_div_aux_mod_aux_mod_v_ULTIMATE.start_main_~ret~1#1_BEFORE_CALL_1_477_817_498|)) (.cse75 (div (+ (* (- 1) .cse86) 42949672960 (* (- 1) .cse79) (* (- 1) .cse82) (* (- 1) .cse80) (* (- 1) .cse83) (* (- 1) .cse81) (* (- 1) .cse78) (* (- 1) .cse84) (* (- 1) .cse85) (* (- 1) .cse77)) (- 10))) (.cse72 (* |aux_div_aux_mod_v_ULTIMATE.start_main_~ret~1#1_BEFORE_CALL_1_477_817| 4294967296)) (.cse76 (* |aux_div_v_ULTIMATE.start_main_~ret~1#1_BEFORE_CALL_1_477| 4294967296)) (.cse73 (div (+ .cse77 .cse78 .cse79 (- 42949672960) .cse80 .cse81 .cse82 .cse83 .cse84 .cse85 .cse86) 10))) (and (<= .cse72 (+ .cse73 4294967296)) (<= (+ .cse74 .cse72) (+ .cse73 2147483648)) (<= (+ .cse75 1) (+ .cse76 (* |aux_div_aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~ret~1#1_BEFORE_CALL_1_477_817_498_230| 4294967296))) (< |aux_div_aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~ret~1#1_BEFORE_CALL_1_477_817_498_230| (+ |aux_div_aux_mod_aux_mod_v_ULTIMATE.start_main_~ret~1#1_BEFORE_CALL_1_477_817_498| 1)) (< .cse74 2147483648) (<= (+ .cse75 .cse72) (+ .cse76 .cse73)) (< |aux_div_v_ULTIMATE.start_main_~ret~1#1_BEFORE_CALL_1_477| (+ |aux_div_aux_mod_v_ULTIMATE.start_main_~ret~1#1_BEFORE_CALL_1_477_817| 1))))))) (exists ((|aux_div_aux_mod_aux_mod_v_ULTIMATE.start_main_~ret~1#1_BEFORE_CALL_1_473_578_479| Int) (|aux_div_aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~ret~1#1_BEFORE_CALL_1_473_578_479_854| Int) (|aux_div_v_ULTIMATE.start_main_~ret~1#1_BEFORE_CALL_1_473| Int) (|aux_div_aux_mod_v_ULTIMATE.start_main_~ret~1#1_BEFORE_CALL_1_473_578| Int) (|v_ULTIMATE.start_main_~#x~0#1.base_BEFORE_CALL_1| Int)) (let ((.cse102 (select |c_#memory_int| |v_ULTIMATE.start_main_~#x~0#1.base_BEFORE_CALL_1|))) (let ((.cse89 (select .cse102 36)) (.cse90 (select .cse102 16)) (.cse91 (select .cse102 28)) (.cse92 (select .cse102 12)) (.cse93 (select .cse102 4)) (.cse94 (select .cse102 32)) (.cse95 (select .cse102 8)) (.cse96 (select .cse102 24)) (.cse97 (select .cse102 0)) (.cse98 (select .cse102 20))) (let ((.cse101 (* |aux_div_aux_mod_aux_mod_v_ULTIMATE.start_main_~ret~1#1_BEFORE_CALL_1_473_578_479| 4294967296)) (.cse88 (div (+ .cse89 .cse90 .cse91 .cse92 .cse93 .cse94 .cse95 .cse96 .cse97 .cse98 10) 10)) (.cse99 (div (+ (* (- 1) .cse98) (- 1) (* (- 1) .cse91) (* (- 1) .cse94) (* (- 1) .cse92) (* (- 1) .cse95) (* (- 1) .cse93) (* (- 1) .cse90) (* (- 1) .cse96) (* (- 1) .cse97) (* (- 1) .cse89)) (- 10))) (.cse100 (* |aux_div_aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~ret~1#1_BEFORE_CALL_1_473_578_479_854| 4294967296))) (and (< (+ |aux_div_aux_mod_v_ULTIMATE.start_main_~ret~1#1_BEFORE_CALL_1_473_578| |aux_div_v_ULTIMATE.start_main_~ret~1#1_BEFORE_CALL_1_473|) (+ (div (+ .cse88 (- 1)) 4294967296) 1)) (<= 0 (+ .cse89 .cse90 .cse91 .cse92 .cse93 .cse94 .cse95 .cse96 .cse97 .cse98)) (< .cse99 (+ 4294967297 .cse100)) (<= (+ .cse99 .cse101) (+ .cse88 (* |aux_div_v_ULTIMATE.start_main_~ret~1#1_BEFORE_CALL_1_473| 4294967296))) (<= (+ .cse101 1) .cse88) (< |aux_div_aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~ret~1#1_BEFORE_CALL_1_473_578_479_854| (+ |aux_div_aux_mod_aux_mod_v_ULTIMATE.start_main_~ret~1#1_BEFORE_CALL_1_473_578_479| 1)) (<= .cse99 (+ (* |aux_div_aux_mod_v_ULTIMATE.start_main_~ret~1#1_BEFORE_CALL_1_473_578| 4294967296) .cse100 2147483648))))))) (exists ((|aux_div_aux_mod_v_ULTIMATE.start_main_~ret~1#1_BEFORE_CALL_1_87_176| Int) (|aux_div_aux_mod_aux_mod_v_ULTIMATE.start_main_~ret~1#1_BEFORE_CALL_1_87_176_604| Int) (|aux_div_aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~ret~1#1_BEFORE_CALL_1_87_176_604_865| Int) (|aux_div_v_ULTIMATE.start_main_~ret~1#1_BEFORE_CALL_1_87| Int) (|v_ULTIMATE.start_main_~#x~0#1.base_BEFORE_CALL_1| Int)) (let ((.cse128 (select |c_#memory_int| |v_ULTIMATE.start_main_~#x~0#1.base_BEFORE_CALL_1|))) (let ((.cse114 (select .cse128 36)) (.cse122 (select .cse128 0)) (.cse121 (select .cse128 24)) (.cse115 (select .cse128 16)) (.cse118 (select .cse128 4)) (.cse120 (select .cse128 8)) (.cse117 (select .cse128 12)) (.cse119 (select .cse128 32)) (.cse116 (select .cse128 28)) (.cse123 (select .cse128 20))) (let ((.cse103 (* (- 1) .cse123)) (.cse104 (* (- 1) .cse116)) (.cse105 (* (- 1) .cse119)) (.cse106 (* (- 1) .cse117)) (.cse107 (* (- 1) .cse120)) (.cse108 (* (- 1) .cse118)) (.cse109 (* (- 1) .cse115)) (.cse110 (* (- 1) .cse121)) (.cse111 (* (- 1) .cse122)) (.cse112 (* (- 1) .cse114))) (let ((.cse113 (div (+ .cse103 .cse104 .cse105 .cse106 .cse107 42949672959 .cse108 .cse109 .cse110 .cse111 .cse112) (- 10))) (.cse124 (* 4294967296 |aux_div_aux_mod_v_ULTIMATE.start_main_~ret~1#1_BEFORE_CALL_1_87_176|)) (.cse126 (* |aux_div_aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~ret~1#1_BEFORE_CALL_1_87_176_604_865| 4294967296)) (.cse125 (* |aux_div_v_ULTIMATE.start_main_~ret~1#1_BEFORE_CALL_1_87| 4294967296)) (.cse127 (div (+ .cse114 .cse115 .cse116 .cse117 .cse118 .cse119 .cse120 .cse121 .cse122 .cse123 10) 10))) (and (< 0 (+ (div (+ .cse103 (- 1) .cse104 .cse105 .cse106 .cse107 .cse108 .cse109 .cse110 .cse111 .cse112) 10) 1)) (< .cse113 (+ 1 (div (+ .cse114 (- 42949672951) .cse115 .cse116 .cse117 .cse118 .cse119 .cse120 .cse121 .cse122 .cse123) 10))) (< (+ (div (* (- 1) .cse113) (- 4294967296)) |aux_div_aux_mod_v_ULTIMATE.start_main_~ret~1#1_BEFORE_CALL_1_87_176|) (+ |aux_div_aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~ret~1#1_BEFORE_CALL_1_87_176_604_865| 1)) (< 0 (+ 2147483647 .cse124)) (<= (+ .cse113 1) (+ (* |aux_div_aux_mod_aux_mod_v_ULTIMATE.start_main_~ret~1#1_BEFORE_CALL_1_87_176_604| 4294967296) .cse125)) (<= 0 (+ .cse124 2147483646 .cse125)) (<= (+ 2147483649 .cse126) (+ .cse127 .cse124)) (< (+ |aux_div_aux_mod_aux_mod_v_ULTIMATE.start_main_~ret~1#1_BEFORE_CALL_1_87_176_604| |aux_div_v_ULTIMATE.start_main_~ret~1#1_BEFORE_CALL_1_87|) (+ (div (+ .cse127 (- 2147483648)) 4294967296) 1)) (<= .cse126 .cse127) (< (+ .cse126 .cse125) (+ .cse127 1)))))))) (exists ((|aux_div_aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~ret~1#1_BEFORE_CALL_1_375_461_589_209| Int) (|aux_div_aux_mod_v_ULTIMATE.start_main_~ret~1#1_BEFORE_CALL_1_375_461| Int) (|aux_div_aux_mod_aux_mod_v_ULTIMATE.start_main_~ret~1#1_BEFORE_CALL_1_375_461_589| Int) (|aux_div_v_ULTIMATE.start_main_~ret~1#1_BEFORE_CALL_1_375| Int) (|v_ULTIMATE.start_main_~#x~0#1.base_BEFORE_CALL_1| Int)) (let ((.cse142 (select |c_#memory_int| |v_ULTIMATE.start_main_~#x~0#1.base_BEFORE_CALL_1|))) (let ((.cse138 (select .cse142 20)) (.cse131 (select .cse142 28)) (.cse134 (select .cse142 32)) (.cse132 (select .cse142 12)) (.cse135 (select .cse142 8)) (.cse133 (select .cse142 4)) (.cse130 (select .cse142 16)) (.cse136 (select .cse142 24)) (.cse137 (select .cse142 0)) (.cse129 (select .cse142 36))) (let ((.cse140 (div (+ (* (- 1) .cse138) (* (- 1) .cse131) (* (- 1) .cse134) 42949672969 (* (- 1) .cse132) (* (- 1) .cse135) (* (- 1) .cse133) (* (- 1) .cse130) (* (- 1) .cse136) (* (- 1) .cse137) (* (- 1) .cse129)) 10)) (.cse141 (* |aux_div_aux_mod_v_ULTIMATE.start_main_~ret~1#1_BEFORE_CALL_1_375_461| 4294967296)) (.cse139 (div (+ .cse129 .cse130 .cse131 .cse132 .cse133 .cse134 .cse135 .cse136 .cse137 .cse138 10) 10))) (and (<= 0 (+ .cse129 .cse130 .cse131 .cse132 .cse133 .cse134 .cse135 .cse136 .cse137 .cse138)) (<= (+ 4294967297 (* |aux_div_v_ULTIMATE.start_main_~ret~1#1_BEFORE_CALL_1_375| 4294967296)) (+ .cse139 .cse140 (* |aux_div_aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~ret~1#1_BEFORE_CALL_1_375_461_589_209| 4294967296))) (< .cse141 4294967296) (< |aux_div_aux_mod_aux_mod_v_ULTIMATE.start_main_~ret~1#1_BEFORE_CALL_1_375_461_589| (+ |aux_div_v_ULTIMATE.start_main_~ret~1#1_BEFORE_CALL_1_375| 1)) (<= 0 (+ 4294967295 .cse141)) (<= 1 (+ (* |aux_div_aux_mod_aux_mod_v_ULTIMATE.start_main_~ret~1#1_BEFORE_CALL_1_375_461_589| 4294967296) .cse140 .cse141)) (< (+ |aux_div_aux_mod_v_ULTIMATE.start_main_~ret~1#1_BEFORE_CALL_1_375_461| |aux_div_aux_mod_aux_mod_aux_mod_v_ULTIMATE.start_main_~ret~1#1_BEFORE_CALL_1_375_461_589_209|) (+ (div (+ .cse139 (- 2147483649)) 4294967296) 1)))))))) is different from true [2022-07-19 09:26:51,180 WARN L233 SmtUtils]: Spent 35.38s on a formula simplification that was a NOOP. DAG size: 299 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-07-19 09:27:32,904 WARN L233 SmtUtils]: Spent 37.63s on a formula simplification that was a NOOP. DAG size: 305 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-07-19 09:28:22,450 WARN L233 SmtUtils]: Spent 37.25s on a formula simplification that was a NOOP. DAG size: 303 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)