/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/mcr/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-McrAutomaton-SP.epf -i ../../../trunk/examples/svcomp/goblint-regression/28-race_reach_92-evilcollapse_racing.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-1d1d2b5 [2020-10-22 02:47:21,321 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-22 02:47:21,324 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-22 02:47:21,366 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-22 02:47:21,367 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-22 02:47:21,374 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-22 02:47:21,377 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-22 02:47:21,382 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-22 02:47:21,384 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-22 02:47:21,387 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-22 02:47:21,388 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-22 02:47:21,388 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-22 02:47:21,389 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-22 02:47:21,390 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-22 02:47:21,393 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-22 02:47:21,394 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-22 02:47:21,396 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-22 02:47:21,397 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-22 02:47:21,399 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-22 02:47:21,406 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-22 02:47:21,410 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-22 02:47:21,411 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-22 02:47:21,412 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-22 02:47:21,413 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-22 02:47:21,423 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-22 02:47:21,423 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-22 02:47:21,424 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-22 02:47:21,427 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-22 02:47:21,427 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-22 02:47:21,428 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-22 02:47:21,428 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-22 02:47:21,430 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-22 02:47:21,431 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-22 02:47:21,432 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-22 02:47:21,433 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-22 02:47:21,433 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-22 02:47:21,434 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-22 02:47:21,434 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-22 02:47:21,434 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-22 02:47:21,436 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-22 02:47:21,436 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-22 02:47:21,438 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/mcr/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-McrAutomaton-SP.epf [2020-10-22 02:47:21,476 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-22 02:47:21,476 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-22 02:47:21,478 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-22 02:47:21,479 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-22 02:47:21,479 INFO L138 SettingsManager]: * Use SBE=true [2020-10-22 02:47:21,479 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-22 02:47:21,480 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-22 02:47:21,480 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-22 02:47:21,480 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-22 02:47:21,480 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-22 02:47:21,481 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-22 02:47:21,482 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-22 02:47:21,482 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-22 02:47:21,482 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-22 02:47:21,482 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-22 02:47:21,483 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-22 02:47:21,483 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-22 02:47:21,483 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-22 02:47:21,483 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-22 02:47:21,484 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-22 02:47:21,484 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-22 02:47:21,484 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-22 02:47:21,484 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-22 02:47:21,484 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2020-10-22 02:47:21,485 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-22 02:47:21,485 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-22 02:47:21,485 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-22 02:47:21,485 INFO L138 SettingsManager]: * Override the interpolant automaton setting of the refinement strategy=true [2020-10-22 02:47:21,486 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2020-10-22 02:47:21,486 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-22 02:47:21,486 INFO L138 SettingsManager]: * Interpolant automaton=MCR [2020-10-22 02:47:21,789 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-22 02:47:21,802 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-22 02:47:21,805 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-22 02:47:21,807 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-22 02:47:21,808 INFO L275 PluginConnector]: CDTParser initialized [2020-10-22 02:47:21,809 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/28-race_reach_92-evilcollapse_racing.i [2020-10-22 02:47:21,878 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3a426eaea/288feeaf54a145de808c64ad7d475f9d/FLAGfa11c75c5 [2020-10-22 02:47:22,497 INFO L306 CDTParser]: Found 1 translation units. [2020-10-22 02:47:22,497 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_92-evilcollapse_racing.i [2020-10-22 02:47:22,514 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3a426eaea/288feeaf54a145de808c64ad7d475f9d/FLAGfa11c75c5 [2020-10-22 02:47:22,649 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3a426eaea/288feeaf54a145de808c64ad7d475f9d [2020-10-22 02:47:22,661 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-22 02:47:22,668 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-22 02:47:22,669 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-22 02:47:22,669 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-22 02:47:22,673 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-22 02:47:22,674 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 02:47:22" (1/1) ... [2020-10-22 02:47:22,677 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@61a88f47 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 02:47:22, skipping insertion in model container [2020-10-22 02:47:22,677 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 02:47:22" (1/1) ... [2020-10-22 02:47:22,685 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-22 02:47:22,750 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-22 02:47:23,358 WARN L1500 CHandler]: Possible shadowing of function new [2020-10-22 02:47:23,359 WARN L1500 CHandler]: Possible shadowing of function new [2020-10-22 02:47:23,359 WARN L1500 CHandler]: Possible shadowing of function new [2020-10-22 02:47:23,360 WARN L1500 CHandler]: Possible shadowing of function new [2020-10-22 02:47:23,386 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-22 02:47:23,408 INFO L203 MainTranslator]: Completed pre-run [2020-10-22 02:47:23,450 WARN L1500 CHandler]: Possible shadowing of function new [2020-10-22 02:47:23,450 WARN L1500 CHandler]: Possible shadowing of function new [2020-10-22 02:47:23,451 WARN L1500 CHandler]: Possible shadowing of function new [2020-10-22 02:47:23,453 WARN L1500 CHandler]: Possible shadowing of function new [2020-10-22 02:47:23,482 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-22 02:47:23,675 INFO L208 MainTranslator]: Completed translation [2020-10-22 02:47:23,676 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 02:47:23 WrapperNode [2020-10-22 02:47:23,677 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-22 02:47:23,678 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-22 02:47:23,678 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-22 02:47:23,678 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-22 02:47:23,688 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 02:47:23" (1/1) ... [2020-10-22 02:47:23,737 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 02:47:23" (1/1) ... [2020-10-22 02:47:23,772 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-22 02:47:23,772 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-22 02:47:23,772 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-22 02:47:23,773 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-22 02:47:23,785 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 02:47:23" (1/1) ... [2020-10-22 02:47:23,786 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 02:47:23" (1/1) ... [2020-10-22 02:47:23,791 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 02:47:23" (1/1) ... [2020-10-22 02:47:23,792 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 02:47:23" (1/1) ... [2020-10-22 02:47:23,806 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 02:47:23" (1/1) ... [2020-10-22 02:47:23,813 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 02:47:23" (1/1) ... [2020-10-22 02:47:23,817 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 02:47:23" (1/1) ... [2020-10-22 02:47:23,822 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-22 02:47:23,825 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-22 02:47:23,825 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-22 02:47:23,825 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-22 02:47:23,826 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 02:47:23" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-22 02:47:23,919 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-22 02:47:23,920 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-22 02:47:23,920 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-22 02:47:23,920 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-22 02:47:23,920 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-22 02:47:23,921 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2020-10-22 02:47:23,921 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-22 02:47:23,921 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-22 02:47:23,921 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2020-10-22 02:47:23,921 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2020-10-22 02:47:23,922 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-22 02:47:23,922 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-22 02:47:23,922 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-22 02:47:23,924 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-10-22 02:47:24,617 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-22 02:47:24,617 INFO L298 CfgBuilder]: Removed 42 assume(true) statements. [2020-10-22 02:47:24,620 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 02:47:24 BoogieIcfgContainer [2020-10-22 02:47:24,620 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-22 02:47:24,621 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-22 02:47:24,621 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-22 02:47:24,625 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-22 02:47:24,625 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 02:47:22" (1/3) ... [2020-10-22 02:47:24,626 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d0f7e01 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 02:47:24, skipping insertion in model container [2020-10-22 02:47:24,626 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 02:47:23" (2/3) ... [2020-10-22 02:47:24,627 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d0f7e01 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 02:47:24, skipping insertion in model container [2020-10-22 02:47:24,627 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 02:47:24" (3/3) ... [2020-10-22 02:47:24,629 INFO L111 eAbstractionObserver]: Analyzing ICFG 28-race_reach_92-evilcollapse_racing.i [2020-10-22 02:47:24,641 WARN L153 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-22 02:47:24,641 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-22 02:47:24,649 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-22 02:47:24,650 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-22 02:47:24,687 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:47:24,687 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:47:24,688 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:47:24,688 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:47:24,688 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~pos~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:47:24,688 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~pos~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:47:24,689 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:47:24,689 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:47:24,689 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:47:24,689 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:47:24,689 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:47:24,690 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:47:24,690 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:47:24,690 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:47:24,690 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:47:24,690 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:47:24,691 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:47:24,691 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~2.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:47:24,691 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~2.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:47:24,691 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~q~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:47:24,691 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~q~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:47:24,692 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:47:24,692 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:47:24,692 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:47:24,692 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:47:24,693 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:47:24,693 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:47:24,693 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:47:24,693 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:47:24,694 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem11.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:47:24,694 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem11.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:47:24,694 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem11.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:47:24,694 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem11.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:47:24,694 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~2.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:47:24,695 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~2.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:47:24,695 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem11.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:47:24,695 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem11.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:47:24,695 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~2.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:47:24,695 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~2.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:47:24,696 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~pos~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:47:24,696 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~pos~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:47:24,696 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~pos~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:47:24,696 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:47:24,696 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~pos~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:47:24,697 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~pos~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:47:24,697 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:47:24,697 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~pos~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:47:24,697 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:47:24,698 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:47:24,698 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:47:24,698 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:47:24,698 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:47:24,699 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:47:24,699 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~pos~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:47:24,699 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~pos~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:47:24,699 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem21.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:47:24,699 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem21.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:47:24,700 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:47:24,700 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:47:24,700 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:47:24,700 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:47:24,700 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem21.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:47:24,701 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem21.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:47:24,701 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~q~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:47:24,701 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~q~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:47:24,701 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:47:24,701 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:47:24,702 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem21.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:47:24,702 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem21.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:47:24,702 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:47:24,702 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:47:24,702 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~q~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:47:24,703 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~q~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:47:24,703 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~pos~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:47:24,703 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~pos~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:47:24,703 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:47:24,703 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:47:24,704 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~pos~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:47:24,704 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~pos~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:47:24,704 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:47:24,704 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~pos~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:47:24,704 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~pos~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:47:24,704 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:47:24,705 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:47:24,705 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:47:24,705 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:47:24,705 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:47:24,706 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:47:24,706 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~pos~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:47:24,706 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~pos~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:47:24,706 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:47:24,706 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:47:24,707 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~pos~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:47:24,707 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:47:24,707 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~pos~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:47:24,707 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:47:24,707 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:47:24,708 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:47:24,708 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:47:24,708 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:47:24,708 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~pos~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:47:24,708 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:47:24,709 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~pos~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:47:24,709 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:47:24,709 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:47:24,709 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:47:24,710 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:47:24,710 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:47:24,710 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:47:24,710 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:47:24,711 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:47:24,711 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:47:24,711 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:47:24,715 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:47:24,715 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:47:24,715 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:47:24,716 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem11.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:47:24,716 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:47:24,716 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:47:24,716 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~q~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:47:24,716 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~2.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:47:24,717 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:47:24,717 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:47:24,717 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:47:24,717 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:47:24,717 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem21.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:47:24,717 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem11.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:47:24,718 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~q~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:47:24,718 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:47:24,718 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:47:24,718 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~2.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:47:24,718 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:47:24,719 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:47:24,719 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~pos~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:47:24,719 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:47:24,719 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:47:24,719 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:47:24,720 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:47:24,720 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:47:24,720 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem21.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:47:24,720 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:47:24,720 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:47:24,721 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:47:24,721 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:47:24,721 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:47:24,721 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~pos~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:47:24,731 INFO L149 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2020-10-22 02:47:24,742 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-10-22 02:47:24,760 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-22 02:47:24,760 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-22 02:47:24,760 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-22 02:47:24,761 INFO L380 AbstractCegarLoop]: Backedges is MCR [2020-10-22 02:47:24,761 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-22 02:47:24,761 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-22 02:47:24,761 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-22 02:47:24,761 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-22 02:47:24,779 INFO L137 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2020-10-22 02:47:24,780 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 203 places, 227 transitions, 462 flow [2020-10-22 02:47:24,783 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 203 places, 227 transitions, 462 flow [2020-10-22 02:47:24,785 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 203 places, 227 transitions, 462 flow [2020-10-22 02:47:24,880 INFO L129 PetriNetUnfolder]: 29/241 cut-off events. [2020-10-22 02:47:24,882 INFO L130 PetriNetUnfolder]: For 1/2 co-relation queries the response was YES. [2020-10-22 02:47:24,895 INFO L80 FinitePrefix]: Finished finitePrefix Result has 247 conditions, 241 events. 29/241 cut-off events. For 1/2 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 392 event pairs, 0 based on Foata normal form. 0/208 useless extension candidates. Maximal degree in co-relation 127. Up to 4 conditions per place. [2020-10-22 02:47:24,903 INFO L116 LiptonReduction]: Number of co-enabled transitions 3382 [2020-10-22 02:47:25,551 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-22 02:47:25,579 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-22 02:47:25,580 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-22 02:47:25,581 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:97, output treesize:98 [2020-10-22 02:47:26,232 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-22 02:47:26,251 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-22 02:47:26,252 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-22 02:47:26,252 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:97, output treesize:98 [2020-10-22 02:47:27,019 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-22 02:47:27,057 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-22 02:47:27,058 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-22 02:47:27,059 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:89, output treesize:77 [2020-10-22 02:47:27,678 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2020-10-22 02:47:27,714 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-22 02:47:27,782 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-22 02:47:27,784 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2020-10-22 02:47:27,784 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:225, output treesize:236 [2020-10-22 02:47:28,300 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-22 02:47:28,340 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-22 02:47:28,344 INFO L545 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-22 02:47:28,384 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-22 02:47:28,385 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-10-22 02:47:28,386 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:104, output treesize:106 [2020-10-22 02:47:29,311 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2020-10-22 02:47:29,446 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2020-10-22 02:47:29,606 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2020-10-22 02:47:29,630 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-22 02:47:29,716 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-22 02:47:29,718 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2020-10-22 02:47:29,718 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:165, output treesize:153 [2020-10-22 02:47:30,413 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 62 [2020-10-22 02:47:30,834 WARN L193 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 97 [2020-10-22 02:47:30,994 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2020-10-22 02:47:31,153 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2020-10-22 02:47:31,320 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2020-10-22 02:47:38,291 WARN L193 SmtUtils]: Spent 6.61 s on a formula simplification that was a NOOP. DAG size: 164 [2020-10-22 02:47:38,323 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-22 02:47:45,696 WARN L193 SmtUtils]: Spent 7.37 s on a formula simplification that was a NOOP. DAG size: 154 [2020-10-22 02:47:45,697 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-22 02:47:45,700 INFO L545 ElimStorePlain]: Start of recursive call 1: 6 dim-0 vars, 1 dim-2 vars, End of recursive call: 7 dim-0 vars, and 1 xjuncts. [2020-10-22 02:47:45,701 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 7 variables, input treesize:909, output treesize:1103 [2020-10-22 02:47:52,202 WARN L193 SmtUtils]: Spent 6.50 s on a formula simplification that was a NOOP. DAG size: 154 [2020-10-22 02:47:52,561 WARN L193 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 101 [2020-10-22 02:47:52,723 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2020-10-22 02:47:52,799 INFO L131 LiptonReduction]: Checked pairs total: 3914 [2020-10-22 02:47:52,799 INFO L133 LiptonReduction]: Total number of compositions: 237 [2020-10-22 02:47:52,806 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 27 places, 39 transitions, 86 flow [2020-10-22 02:47:52,821 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 107 states. [2020-10-22 02:47:52,824 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states. [2020-10-22 02:47:52,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-10-22 02:47:52,830 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 02:47:52,831 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1] [2020-10-22 02:47:52,832 INFO L429 AbstractCegarLoop]: === Iteration 1 === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 02:47:52,837 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 02:47:52,837 INFO L82 PathProgramCache]: Analyzing trace with hash -1028510178, now seen corresponding path program 1 times [2020-10-22 02:47:52,866 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 02:47:52,867 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [973165852] [2020-10-22 02:47:52,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 02:47:53,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 02:47:53,165 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-10-22 02:47:53,166 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [973165852] [2020-10-22 02:47:53,167 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-22 02:47:53,167 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-22 02:47:53,168 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [713408350] [2020-10-22 02:47:53,169 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 02:47:53,173 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 02:47:53,188 INFO L252 McrAutomatonBuilder]: Finished intersection with 8 states and 7 transitions. [2020-10-22 02:47:53,189 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 02:47:53,193 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-22 02:47:53,194 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-22 02:47:53,194 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 02:47:53,209 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-22 02:47:53,210 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-22 02:47:53,212 INFO L87 Difference]: Start difference. First operand 107 states. Second operand 3 states. [2020-10-22 02:47:53,392 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 02:47:53,392 INFO L93 Difference]: Finished difference Result 109 states and 211 transitions. [2020-10-22 02:47:53,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-22 02:47:53,399 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 7 [2020-10-22 02:47:53,399 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 02:47:53,409 INFO L225 Difference]: With dead ends: 109 [2020-10-22 02:47:53,410 INFO L226 Difference]: Without dead ends: 102 [2020-10-22 02:47:53,411 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-22 02:47:53,433 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102 states. [2020-10-22 02:47:53,454 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102 to 101. [2020-10-22 02:47:53,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 101 states. [2020-10-22 02:47:53,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 198 transitions. [2020-10-22 02:47:53,460 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 198 transitions. Word has length 7 [2020-10-22 02:47:53,460 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 02:47:53,460 INFO L481 AbstractCegarLoop]: Abstraction has 101 states and 198 transitions. [2020-10-22 02:47:53,460 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-22 02:47:53,461 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 198 transitions. [2020-10-22 02:47:53,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-10-22 02:47:53,461 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 02:47:53,461 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1] [2020-10-22 02:47:53,462 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-22 02:47:53,462 INFO L429 AbstractCegarLoop]: === Iteration 2 === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 02:47:53,462 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 02:47:53,462 INFO L82 PathProgramCache]: Analyzing trace with hash 2073738121, now seen corresponding path program 1 times [2020-10-22 02:47:53,467 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 02:47:53,468 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [181791030] [2020-10-22 02:47:53,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 02:47:53,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 02:47:53,526 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-10-22 02:47:53,527 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [181791030] [2020-10-22 02:47:53,527 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-22 02:47:53,527 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-22 02:47:53,528 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1656804439] [2020-10-22 02:47:53,528 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 02:47:53,529 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 02:47:53,532 INFO L252 McrAutomatonBuilder]: Finished intersection with 10 states and 9 transitions. [2020-10-22 02:47:53,532 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 02:47:53,533 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-22 02:47:53,534 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-22 02:47:53,534 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 02:47:53,534 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-22 02:47:53,535 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-22 02:47:53,535 INFO L87 Difference]: Start difference. First operand 101 states and 198 transitions. Second operand 3 states. [2020-10-22 02:47:53,799 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 02:47:53,799 INFO L93 Difference]: Finished difference Result 102 states and 199 transitions. [2020-10-22 02:47:53,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-22 02:47:53,800 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 9 [2020-10-22 02:47:53,800 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 02:47:53,802 INFO L225 Difference]: With dead ends: 102 [2020-10-22 02:47:53,803 INFO L226 Difference]: Without dead ends: 102 [2020-10-22 02:47:53,803 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-22 02:47:53,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102 states. [2020-10-22 02:47:53,813 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102 to 102. [2020-10-22 02:47:53,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 102 states. [2020-10-22 02:47:53,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 199 transitions. [2020-10-22 02:47:53,816 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 199 transitions. Word has length 9 [2020-10-22 02:47:53,816 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 02:47:53,816 INFO L481 AbstractCegarLoop]: Abstraction has 102 states and 199 transitions. [2020-10-22 02:47:53,816 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-22 02:47:53,817 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 199 transitions. [2020-10-22 02:47:53,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-10-22 02:47:53,817 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 02:47:53,817 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-22 02:47:53,818 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-22 02:47:53,818 INFO L429 AbstractCegarLoop]: === Iteration 3 === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 02:47:53,818 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 02:47:53,818 INFO L82 PathProgramCache]: Analyzing trace with hash -869356058, now seen corresponding path program 1 times [2020-10-22 02:47:53,821 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 02:47:53,822 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1146624954] [2020-10-22 02:47:53,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 02:47:53,844 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-10-22 02:47:53,844 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1688556912] [2020-10-22 02:47:53,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-22 02:47:53,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 02:47:53,956 INFO L263 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 3 conjunts are in the unsatisfiable core [2020-10-22 02:47:53,962 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-22 02:47:53,991 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-10-22 02:47:53,992 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1146624954] [2020-10-22 02:47:53,992 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-10-22 02:47:53,992 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1688556912] [2020-10-22 02:47:53,992 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-22 02:47:53,993 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2020-10-22 02:47:53,993 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [215150416] [2020-10-22 02:47:53,993 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 02:47:53,995 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 02:47:53,997 INFO L252 McrAutomatonBuilder]: Finished intersection with 11 states and 10 transitions. [2020-10-22 02:47:53,997 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 02:47:53,998 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-22 02:47:53,998 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-22 02:47:53,998 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 02:47:53,999 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-22 02:47:53,999 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-22 02:47:53,999 INFO L87 Difference]: Start difference. First operand 102 states and 199 transitions. Second operand 4 states. [2020-10-22 02:47:54,134 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 02:47:54,136 INFO L93 Difference]: Finished difference Result 103 states and 200 transitions. [2020-10-22 02:47:54,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-22 02:47:54,137 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 10 [2020-10-22 02:47:54,137 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 02:47:54,138 INFO L225 Difference]: With dead ends: 103 [2020-10-22 02:47:54,138 INFO L226 Difference]: Without dead ends: 103 [2020-10-22 02:47:54,139 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-22 02:47:54,140 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2020-10-22 02:47:54,148 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 103. [2020-10-22 02:47:54,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 103 states. [2020-10-22 02:47:54,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 200 transitions. [2020-10-22 02:47:54,149 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 200 transitions. Word has length 10 [2020-10-22 02:47:54,150 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 02:47:54,150 INFO L481 AbstractCegarLoop]: Abstraction has 103 states and 200 transitions. [2020-10-22 02:47:54,150 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-22 02:47:54,150 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 200 transitions. [2020-10-22 02:47:54,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-10-22 02:47:54,151 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 02:47:54,151 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1] [2020-10-22 02:47:54,355 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2020-10-22 02:47:54,356 INFO L429 AbstractCegarLoop]: === Iteration 4 === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 02:47:54,357 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 02:47:54,358 INFO L82 PathProgramCache]: Analyzing trace with hash -1910962391, now seen corresponding path program 2 times [2020-10-22 02:47:54,360 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 02:47:54,360 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1661764074] [2020-10-22 02:47:54,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 02:47:54,379 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-10-22 02:47:54,379 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [671793824] [2020-10-22 02:47:54,380 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-22 02:47:54,504 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2020-10-22 02:47:54,504 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-10-22 02:47:54,506 INFO L263 TraceCheckSpWp]: Trace formula consists of 233 conjuncts, 4 conjunts are in the unsatisfiable core [2020-10-22 02:47:54,510 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-22 02:47:54,547 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-10-22 02:47:54,548 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1661764074] [2020-10-22 02:47:54,548 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-10-22 02:47:54,548 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [671793824] [2020-10-22 02:47:54,548 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-22 02:47:54,548 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-22 02:47:54,549 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [889610315] [2020-10-22 02:47:54,549 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 02:47:54,552 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 02:47:54,555 INFO L252 McrAutomatonBuilder]: Finished intersection with 12 states and 11 transitions. [2020-10-22 02:47:54,555 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 02:47:54,556 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-22 02:47:54,557 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-22 02:47:54,557 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 02:47:54,557 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-22 02:47:54,559 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2020-10-22 02:47:54,559 INFO L87 Difference]: Start difference. First operand 103 states and 200 transitions. Second operand 5 states. [2020-10-22 02:47:54,719 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 02:47:54,719 INFO L93 Difference]: Finished difference Result 104 states and 201 transitions. [2020-10-22 02:47:54,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-22 02:47:54,720 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 11 [2020-10-22 02:47:54,720 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 02:47:54,721 INFO L225 Difference]: With dead ends: 104 [2020-10-22 02:47:54,722 INFO L226 Difference]: Without dead ends: 104 [2020-10-22 02:47:54,722 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2020-10-22 02:47:54,723 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2020-10-22 02:47:54,730 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 104. [2020-10-22 02:47:54,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 104 states. [2020-10-22 02:47:54,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 201 transitions. [2020-10-22 02:47:54,731 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 201 transitions. Word has length 11 [2020-10-22 02:47:54,732 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 02:47:54,732 INFO L481 AbstractCegarLoop]: Abstraction has 104 states and 201 transitions. [2020-10-22 02:47:54,732 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-22 02:47:54,732 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 201 transitions. [2020-10-22 02:47:54,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-10-22 02:47:54,732 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 02:47:54,733 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1, 1] [2020-10-22 02:47:54,944 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-22 02:47:54,945 INFO L429 AbstractCegarLoop]: === Iteration 5 === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 02:47:54,946 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 02:47:54,946 INFO L82 PathProgramCache]: Analyzing trace with hash 158979654, now seen corresponding path program 3 times [2020-10-22 02:47:54,948 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 02:47:54,948 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1844974573] [2020-10-22 02:47:54,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 02:47:54,986 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-10-22 02:47:54,986 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1073261764] [2020-10-22 02:47:54,986 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-22 02:47:55,085 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2020-10-22 02:47:55,085 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-10-22 02:47:55,087 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 3 conjunts are in the unsatisfiable core [2020-10-22 02:47:55,090 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-22 02:47:55,109 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-10-22 02:47:55,109 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1844974573] [2020-10-22 02:47:55,109 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-10-22 02:47:55,110 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1073261764] [2020-10-22 02:47:55,110 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-22 02:47:55,110 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3] total 3 [2020-10-22 02:47:55,110 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [124027586] [2020-10-22 02:47:55,110 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 02:47:55,113 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 02:47:55,116 INFO L252 McrAutomatonBuilder]: Finished intersection with 13 states and 12 transitions. [2020-10-22 02:47:55,117 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 02:47:55,117 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-22 02:47:55,117 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-22 02:47:55,118 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 02:47:55,118 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-22 02:47:55,118 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-22 02:47:55,118 INFO L87 Difference]: Start difference. First operand 104 states and 201 transitions. Second operand 4 states. [2020-10-22 02:47:55,401 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 02:47:55,401 INFO L93 Difference]: Finished difference Result 113 states and 212 transitions. [2020-10-22 02:47:55,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-22 02:47:55,407 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 12 [2020-10-22 02:47:55,407 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 02:47:55,408 INFO L225 Difference]: With dead ends: 113 [2020-10-22 02:47:55,408 INFO L226 Difference]: Without dead ends: 113 [2020-10-22 02:47:55,408 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-22 02:47:55,410 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2020-10-22 02:47:55,416 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 109. [2020-10-22 02:47:55,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 109 states. [2020-10-22 02:47:55,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 207 transitions. [2020-10-22 02:47:55,417 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 207 transitions. Word has length 12 [2020-10-22 02:47:55,418 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 02:47:55,418 INFO L481 AbstractCegarLoop]: Abstraction has 109 states and 207 transitions. [2020-10-22 02:47:55,418 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-22 02:47:55,418 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 207 transitions. [2020-10-22 02:47:55,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-10-22 02:47:55,419 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 02:47:55,419 INFO L422 BasicCegarLoop]: trace histogram [6, 2, 2, 2, 1, 1, 1, 1, 1] [2020-10-22 02:47:55,619 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-22 02:47:55,620 INFO L429 AbstractCegarLoop]: === Iteration 6 === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 02:47:55,621 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 02:47:55,621 INFO L82 PathProgramCache]: Analyzing trace with hash -646117602, now seen corresponding path program 4 times [2020-10-22 02:47:55,622 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 02:47:55,623 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1899774117] [2020-10-22 02:47:55,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 02:47:55,659 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-10-22 02:47:55,660 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1514950206] [2020-10-22 02:47:55,660 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-22 02:47:55,804 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2020-10-22 02:47:55,804 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-10-22 02:47:55,808 INFO L263 TraceCheckSpWp]: Trace formula consists of 467 conjuncts, 5 conjunts are in the unsatisfiable core [2020-10-22 02:47:55,810 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-22 02:47:55,848 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-10-22 02:47:55,849 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1899774117] [2020-10-22 02:47:55,849 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-10-22 02:47:55,849 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1514950206] [2020-10-22 02:47:55,849 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-22 02:47:55,849 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-22 02:47:55,850 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1944092884] [2020-10-22 02:47:55,850 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 02:47:55,853 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 02:47:55,860 INFO L252 McrAutomatonBuilder]: Finished intersection with 18 states and 17 transitions. [2020-10-22 02:47:55,861 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 02:47:55,861 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-22 02:47:55,862 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-22 02:47:55,862 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 02:47:55,862 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-22 02:47:55,863 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2020-10-22 02:47:55,863 INFO L87 Difference]: Start difference. First operand 109 states and 207 transitions. Second operand 6 states. [2020-10-22 02:47:56,324 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 02:47:56,325 INFO L93 Difference]: Finished difference Result 111 states and 209 transitions. [2020-10-22 02:47:56,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-22 02:47:56,325 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 17 [2020-10-22 02:47:56,326 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 02:47:56,327 INFO L225 Difference]: With dead ends: 111 [2020-10-22 02:47:56,327 INFO L226 Difference]: Without dead ends: 111 [2020-10-22 02:47:56,327 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2020-10-22 02:47:56,328 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2020-10-22 02:47:56,334 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 111. [2020-10-22 02:47:56,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 111 states. [2020-10-22 02:47:56,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 209 transitions. [2020-10-22 02:47:56,335 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 209 transitions. Word has length 17 [2020-10-22 02:47:56,336 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 02:47:56,336 INFO L481 AbstractCegarLoop]: Abstraction has 111 states and 209 transitions. [2020-10-22 02:47:56,336 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-22 02:47:56,336 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 209 transitions. [2020-10-22 02:47:56,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-10-22 02:47:56,337 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 02:47:56,337 INFO L422 BasicCegarLoop]: trace histogram [8, 2, 2, 2, 1, 1, 1, 1, 1] [2020-10-22 02:47:56,544 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-22 02:47:56,545 INFO L429 AbstractCegarLoop]: === Iteration 7 === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 02:47:56,545 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 02:47:56,546 INFO L82 PathProgramCache]: Analyzing trace with hash -83870924, now seen corresponding path program 5 times [2020-10-22 02:47:56,548 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 02:47:56,548 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [268537258] [2020-10-22 02:47:56,548 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 02:47:56,566 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-10-22 02:47:56,567 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1453031282] [2020-10-22 02:47:56,567 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown