/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-WP.epf -i ../../../trunk/examples/svcomp/goblint-regression/28-race_reach_91-arrayloop2_racefree.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-1d1d2b5 [2020-10-22 01:07:56,422 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-22 01:07:56,425 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-22 01:07:56,448 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-22 01:07:56,449 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-22 01:07:56,450 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-22 01:07:56,451 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-22 01:07:56,453 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-22 01:07:56,454 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-22 01:07:56,455 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-22 01:07:56,456 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-22 01:07:56,457 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-22 01:07:56,458 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-22 01:07:56,458 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-22 01:07:56,459 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-22 01:07:56,461 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-22 01:07:56,461 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-22 01:07:56,462 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-22 01:07:56,464 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-22 01:07:56,466 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-22 01:07:56,467 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-22 01:07:56,468 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-22 01:07:56,470 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-22 01:07:56,470 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-22 01:07:56,473 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-22 01:07:56,473 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-22 01:07:56,474 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-22 01:07:56,475 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-22 01:07:56,475 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-22 01:07:56,476 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-22 01:07:56,476 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-22 01:07:56,477 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-22 01:07:56,478 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-22 01:07:56,479 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-22 01:07:56,480 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-22 01:07:56,480 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-22 01:07:56,480 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-22 01:07:56,481 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-22 01:07:56,481 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-22 01:07:56,482 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-22 01:07:56,483 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-22 01:07:56,483 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-WP.epf [2020-10-22 01:07:56,506 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-22 01:07:56,507 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-22 01:07:56,508 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-22 01:07:56,508 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-22 01:07:56,508 INFO L138 SettingsManager]: * Use SBE=true [2020-10-22 01:07:56,508 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-22 01:07:56,509 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-22 01:07:56,509 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-22 01:07:56,509 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-22 01:07:56,509 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-22 01:07:56,509 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-22 01:07:56,510 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-22 01:07:56,510 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-22 01:07:56,510 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-22 01:07:56,510 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-22 01:07:56,510 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-22 01:07:56,510 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-22 01:07:56,511 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-22 01:07:56,511 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-22 01:07:56,511 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-22 01:07:56,511 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-22 01:07:56,511 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-22 01:07:56,512 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-22 01:07:56,512 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2020-10-22 01:07:56,512 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-22 01:07:56,512 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-22 01:07:56,512 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-22 01:07:56,513 INFO L138 SettingsManager]: * Override the interpolant automaton setting of the refinement strategy=true [2020-10-22 01:07:56,513 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2020-10-22 01:07:56,513 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-22 01:07:56,513 INFO L138 SettingsManager]: * Interpolant automaton=MCR [2020-10-22 01:07:56,867 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-22 01:07:56,882 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-22 01:07:56,886 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-22 01:07:56,888 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-22 01:07:56,888 INFO L275 PluginConnector]: CDTParser initialized [2020-10-22 01:07:56,890 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/28-race_reach_91-arrayloop2_racefree.i [2020-10-22 01:07:56,958 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f1253f648/6dbf12d8be05406a965b5db275f8dfe2/FLAGf462fe518 [2020-10-22 01:07:57,485 INFO L306 CDTParser]: Found 1 translation units. [2020-10-22 01:07:57,486 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_91-arrayloop2_racefree.i [2020-10-22 01:07:57,511 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f1253f648/6dbf12d8be05406a965b5db275f8dfe2/FLAGf462fe518 [2020-10-22 01:07:57,734 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f1253f648/6dbf12d8be05406a965b5db275f8dfe2 [2020-10-22 01:07:57,743 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-22 01:07:57,750 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-22 01:07:57,752 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-22 01:07:57,752 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-22 01:07:57,756 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-22 01:07:57,757 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 01:07:57" (1/1) ... [2020-10-22 01:07:57,760 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@415273b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 01:07:57, skipping insertion in model container [2020-10-22 01:07:57,760 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 01:07:57" (1/1) ... [2020-10-22 01:07:57,769 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-22 01:07:57,816 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-22 01:07:58,492 WARN L1500 CHandler]: Possible shadowing of function new [2020-10-22 01:07:58,493 WARN L1500 CHandler]: Possible shadowing of function new [2020-10-22 01:07:58,494 WARN L1500 CHandler]: Possible shadowing of function new [2020-10-22 01:07:58,494 WARN L1500 CHandler]: Possible shadowing of function new [2020-10-22 01:07:58,539 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-22 01:07:58,582 INFO L203 MainTranslator]: Completed pre-run [2020-10-22 01:07:58,635 WARN L1500 CHandler]: Possible shadowing of function new [2020-10-22 01:07:58,635 WARN L1500 CHandler]: Possible shadowing of function new [2020-10-22 01:07:58,636 WARN L1500 CHandler]: Possible shadowing of function new [2020-10-22 01:07:58,636 WARN L1500 CHandler]: Possible shadowing of function new [2020-10-22 01:07:58,665 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-22 01:07:58,826 INFO L208 MainTranslator]: Completed translation [2020-10-22 01:07:58,826 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 01:07:58 WrapperNode [2020-10-22 01:07:58,827 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-22 01:07:58,828 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-22 01:07:58,828 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-22 01:07:58,828 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-22 01:07:58,838 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 01:07:58" (1/1) ... [2020-10-22 01:07:58,861 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 01:07:58" (1/1) ... [2020-10-22 01:07:58,916 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-22 01:07:58,916 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-22 01:07:58,917 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-22 01:07:58,917 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-22 01:07:58,926 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 01:07:58" (1/1) ... [2020-10-22 01:07:58,927 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 01:07:58" (1/1) ... [2020-10-22 01:07:58,931 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 01:07:58" (1/1) ... [2020-10-22 01:07:58,932 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 01:07:58" (1/1) ... [2020-10-22 01:07:58,944 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 01:07:58" (1/1) ... [2020-10-22 01:07:58,951 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 01:07:58" (1/1) ... [2020-10-22 01:07:58,954 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 01:07:58" (1/1) ... [2020-10-22 01:07:58,959 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-22 01:07:58,960 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-22 01:07:58,960 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-22 01:07:58,960 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-22 01:07:58,961 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 01:07:58" (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 01:07:59,025 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-22 01:07:59,025 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-22 01:07:59,025 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-22 01:07:59,026 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-22 01:07:59,026 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-22 01:07:59,026 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2020-10-22 01:07:59,026 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-22 01:07:59,026 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-22 01:07:59,027 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2020-10-22 01:07:59,027 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2020-10-22 01:07:59,027 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-22 01:07:59,027 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-22 01:07:59,028 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-22 01:07:59,029 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 01:07:59,657 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-22 01:07:59,658 INFO L298 CfgBuilder]: Removed 34 assume(true) statements. [2020-10-22 01:07:59,661 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 01:07:59 BoogieIcfgContainer [2020-10-22 01:07:59,662 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-22 01:07:59,665 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-22 01:07:59,665 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-22 01:07:59,672 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-22 01:07:59,673 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 01:07:57" (1/3) ... [2020-10-22 01:07:59,676 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4533409b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 01:07:59, skipping insertion in model container [2020-10-22 01:07:59,676 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 01:07:58" (2/3) ... [2020-10-22 01:07:59,677 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4533409b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 01:07:59, skipping insertion in model container [2020-10-22 01:07:59,677 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 01:07:59" (3/3) ... [2020-10-22 01:07:59,679 INFO L111 eAbstractionObserver]: Analyzing ICFG 28-race_reach_91-arrayloop2_racefree.i [2020-10-22 01:07:59,693 WARN L153 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-22 01:07:59,693 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-22 01:07:59,703 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-22 01:07:59,704 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-22 01:07:59,768 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:07:59,768 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:07:59,768 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:07:59,769 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:07:59,769 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~pos~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:07:59,769 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~pos~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:07:59,769 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:07:59,770 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:07:59,770 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:07:59,770 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:07:59,770 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:07:59,770 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:07:59,771 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:07:59,771 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:07:59,771 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:07:59,771 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:07:59,771 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:07:59,772 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~1.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:07:59,772 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~1.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:07:59,773 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~q~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:07:59,773 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~q~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:07:59,774 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:07:59,774 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:07:59,774 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:07:59,776 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:07:59,778 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:07:59,778 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:07:59,779 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:07:59,780 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:07:59,780 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem9.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:07:59,780 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem9.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:07:59,782 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem9.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:07:59,782 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem9.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:07:59,782 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~1.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:07:59,783 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~1.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:07:59,783 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem9.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:07:59,783 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem9.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:07:59,783 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~1.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:07:59,783 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~1.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:07:59,784 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~pos~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:07:59,784 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~pos~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:07:59,784 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~pos~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:07:59,784 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:07:59,784 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~pos~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:07:59,785 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~pos~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:07:59,785 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:07:59,785 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~pos~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:07:59,790 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:07:59,790 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:07:59,790 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:07:59,790 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:07:59,791 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:07:59,791 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:07:59,791 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~pos~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:07:59,791 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~pos~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:07:59,791 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem19.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:07:59,791 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem19.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:07:59,791 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:07:59,792 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:07:59,792 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:07:59,792 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:07:59,792 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem19.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:07:59,792 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem19.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:07:59,793 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~q~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:07:59,793 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~q~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:07:59,793 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:07:59,793 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:07:59,793 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem19.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:07:59,794 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem19.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:07:59,794 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:07:59,794 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:07:59,794 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~q~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:07:59,795 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~q~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:07:59,795 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~pos~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:07:59,795 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~pos~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:07:59,795 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:07:59,795 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:07:59,796 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~pos~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:07:59,796 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~pos~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:07:59,796 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:07:59,796 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~pos~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:07:59,797 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~pos~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:07:59,797 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:07:59,797 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:07:59,797 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:07:59,797 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:07:59,798 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:07:59,798 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:07:59,798 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~pos~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:07:59,798 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~pos~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:07:59,798 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:07:59,799 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:07:59,799 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~pos~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:07:59,799 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:07:59,799 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~pos~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:07:59,799 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:07:59,800 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:07:59,800 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:07:59,800 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:07:59,800 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:07:59,800 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~pos~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:07:59,801 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:07:59,801 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~pos~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:07:59,801 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:07:59,801 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:07:59,802 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:07:59,802 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:07:59,802 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:07:59,802 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:07:59,802 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:07:59,803 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:07:59,803 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:07:59,803 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:07:59,807 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:07:59,807 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:07:59,808 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~1.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:07:59,808 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem19.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:07:59,808 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:07:59,808 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:07:59,808 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~q~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:07:59,809 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:07:59,809 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:07:59,809 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:07:59,809 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:07:59,809 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~1.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:07:59,809 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem19.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:07:59,810 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem9.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:07:59,810 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~q~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:07:59,810 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:07:59,810 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:07:59,810 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:07:59,811 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem9.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:07:59,811 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~pos~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:07:59,811 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:07:59,811 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:07:59,811 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:07:59,812 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:07:59,812 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:07:59,812 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:07:59,812 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:07:59,812 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:07:59,812 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:07:59,813 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:07:59,813 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:07:59,813 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:07:59,813 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~pos~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:07:59,823 INFO L149 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2020-10-22 01:07:59,837 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-10-22 01:07:59,859 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-22 01:07:59,859 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-22 01:07:59,859 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-22 01:07:59,860 INFO L380 AbstractCegarLoop]: Backedges is MCR [2020-10-22 01:07:59,860 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-22 01:07:59,860 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-22 01:07:59,860 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-22 01:07:59,860 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-22 01:07:59,877 INFO L137 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2020-10-22 01:07:59,878 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 158 places, 180 transitions, 368 flow [2020-10-22 01:07:59,881 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 158 places, 180 transitions, 368 flow [2020-10-22 01:07:59,883 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 158 places, 180 transitions, 368 flow [2020-10-22 01:07:59,968 INFO L129 PetriNetUnfolder]: 27/194 cut-off events. [2020-10-22 01:07:59,968 INFO L130 PetriNetUnfolder]: For 1/2 co-relation queries the response was YES. [2020-10-22 01:07:59,982 INFO L80 FinitePrefix]: Finished finitePrefix Result has 200 conditions, 194 events. 27/194 cut-off events. For 1/2 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 505 event pairs, 0 based on Foata normal form. 0/163 useless extension candidates. Maximal degree in co-relation 107. Up to 4 conditions per place. [2020-10-22 01:07:59,990 INFO L116 LiptonReduction]: Number of co-enabled transitions 3382 [2020-10-22 01:08:00,329 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 01:08:00,352 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-22 01:08:00,353 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 01:08:00,354 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:97, output treesize:98 [2020-10-22 01:08:00,454 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 01:08:00,466 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-22 01:08:00,467 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 01:08:00,468 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:67, output treesize:55 [2020-10-22 01:08:00,968 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 01:08:00,981 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-22 01:08:00,982 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 01:08:00,982 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:67, output treesize:55 [2020-10-22 01:08:01,729 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 01:08:01,760 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-22 01:08:01,761 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-10-22 01:08:01,762 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:127, output treesize:115 [2020-10-22 01:08:02,398 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2020-10-22 01:08:02,428 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 01:08:02,498 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-22 01:08:02,500 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 01:08:02,500 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:215, output treesize:239 [2020-10-22 01:08:03,462 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2020-10-22 01:08:03,614 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2020-10-22 01:08:03,857 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2020-10-22 01:08:04,447 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 97 [2020-10-22 01:08:04,594 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2020-10-22 01:08:06,192 WARN L193 SmtUtils]: Spent 1.55 s on a formula simplification that was a NOOP. DAG size: 116 [2020-10-22 01:08:06,225 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 01:08:07,209 WARN L193 SmtUtils]: Spent 983.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-22 01:08:07,211 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-22 01:08:07,212 INFO L545 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: 5 dim-0 vars, and 1 xjuncts. [2020-10-22 01:08:07,212 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 5 variables, input treesize:545, output treesize:627 [2020-10-22 01:08:08,519 WARN L193 SmtUtils]: Spent 1.31 s on a formula simplification that was a NOOP. DAG size: 106 [2020-10-22 01:08:09,513 WARN L193 SmtUtils]: Spent 948.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2020-10-22 01:08:10,623 WARN L193 SmtUtils]: Spent 1.11 s on a formula simplification that was a NOOP. DAG size: 108 [2020-10-22 01:08:16,896 WARN L193 SmtUtils]: Spent 6.27 s on a formula simplification that was a NOOP. DAG size: 163 [2020-10-22 01:08:16,940 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 01:08:24,346 WARN L193 SmtUtils]: Spent 7.41 s on a formula simplification that was a NOOP. DAG size: 158 [2020-10-22 01:08:24,347 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-22 01:08:24,378 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 01:08:30,781 WARN L193 SmtUtils]: Spent 6.40 s on a formula simplification that was a NOOP. DAG size: 155 [2020-10-22 01:08:30,782 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-22 01:08:30,785 INFO L545 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 2 dim-2 vars, End of recursive call: 7 dim-0 vars, and 1 xjuncts. [2020-10-22 01:08:30,785 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 7 variables, input treesize:845, output treesize:1103 [2020-10-22 01:08:38,516 WARN L193 SmtUtils]: Spent 7.73 s on a formula simplification that was a NOOP. DAG size: 155 [2020-10-22 01:08:38,538 INFO L131 LiptonReduction]: Checked pairs total: 3632 [2020-10-22 01:08:38,539 INFO L133 LiptonReduction]: Total number of compositions: 169 [2020-10-22 01:08:38,549 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 27 places, 39 transitions, 86 flow [2020-10-22 01:08:38,567 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 107 states. [2020-10-22 01:08:38,572 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states. [2020-10-22 01:08:38,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-10-22 01:08:38,579 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 01:08:38,580 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1] [2020-10-22 01:08:38,580 INFO L429 AbstractCegarLoop]: === Iteration 1 === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 01:08:38,586 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 01:08:38,586 INFO L82 PathProgramCache]: Analyzing trace with hash 480009436, now seen corresponding path program 1 times [2020-10-22 01:08:38,614 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 01:08:38,615 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1623371606] [2020-10-22 01:08:38,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 01:08:38,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 01:08:38,804 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 01:08:38,805 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1623371606] [2020-10-22 01:08:38,806 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-22 01:08:38,806 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-22 01:08:38,807 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1167840074] [2020-10-22 01:08:38,808 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 01:08:38,811 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 01:08:38,826 INFO L252 McrAutomatonBuilder]: Finished intersection with 8 states and 7 transitions. [2020-10-22 01:08:38,826 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 01:08:38,830 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-22 01:08:38,831 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-22 01:08:38,831 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 01:08:38,846 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-22 01:08:38,847 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-22 01:08:38,874 INFO L87 Difference]: Start difference. First operand 107 states. Second operand 3 states. [2020-10-22 01:08:38,995 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 01:08:38,995 INFO L93 Difference]: Finished difference Result 109 states and 211 transitions. [2020-10-22 01:08:39,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-22 01:08:39,001 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 7 [2020-10-22 01:08:39,002 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 01:08:39,012 INFO L225 Difference]: With dead ends: 109 [2020-10-22 01:08:39,013 INFO L226 Difference]: Without dead ends: 102 [2020-10-22 01:08:39,014 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 01:08:39,034 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102 states. [2020-10-22 01:08:39,073 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102 to 101. [2020-10-22 01:08:39,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 101 states. [2020-10-22 01:08:39,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 198 transitions. [2020-10-22 01:08:39,081 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 198 transitions. Word has length 7 [2020-10-22 01:08:39,081 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 01:08:39,081 INFO L481 AbstractCegarLoop]: Abstraction has 101 states and 198 transitions. [2020-10-22 01:08:39,081 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-22 01:08:39,082 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 198 transitions. [2020-10-22 01:08:39,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-10-22 01:08:39,082 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 01:08:39,082 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1] [2020-10-22 01:08:39,083 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-22 01:08:39,083 INFO L429 AbstractCegarLoop]: === Iteration 2 === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 01:08:39,083 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 01:08:39,083 INFO L82 PathProgramCache]: Analyzing trace with hash -1774988171, now seen corresponding path program 1 times [2020-10-22 01:08:39,084 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 01:08:39,084 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1267083320] [2020-10-22 01:08:39,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 01:08:39,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 01:08:39,161 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 01:08:39,162 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1267083320] [2020-10-22 01:08:39,162 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-22 01:08:39,163 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-22 01:08:39,163 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [2088504186] [2020-10-22 01:08:39,163 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 01:08:39,164 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 01:08:39,172 INFO L252 McrAutomatonBuilder]: Finished intersection with 10 states and 9 transitions. [2020-10-22 01:08:39,173 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 01:08:39,173 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-22 01:08:39,174 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-22 01:08:39,175 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 01:08:39,175 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-22 01:08:39,175 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-22 01:08:39,175 INFO L87 Difference]: Start difference. First operand 101 states and 198 transitions. Second operand 3 states. [2020-10-22 01:08:39,251 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 01:08:39,252 INFO L93 Difference]: Finished difference Result 102 states and 199 transitions. [2020-10-22 01:08:39,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-22 01:08:39,253 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 9 [2020-10-22 01:08:39,253 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 01:08:39,254 INFO L225 Difference]: With dead ends: 102 [2020-10-22 01:08:39,254 INFO L226 Difference]: Without dead ends: 102 [2020-10-22 01:08:39,255 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 01:08:39,256 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102 states. [2020-10-22 01:08:39,264 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102 to 102. [2020-10-22 01:08:39,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 102 states. [2020-10-22 01:08:39,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 199 transitions. [2020-10-22 01:08:39,267 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 199 transitions. Word has length 9 [2020-10-22 01:08:39,267 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 01:08:39,267 INFO L481 AbstractCegarLoop]: Abstraction has 102 states and 199 transitions. [2020-10-22 01:08:39,267 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-22 01:08:39,267 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 199 transitions. [2020-10-22 01:08:39,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-10-22 01:08:39,268 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 01:08:39,268 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-22 01:08:39,268 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-22 01:08:39,269 INFO L429 AbstractCegarLoop]: === Iteration 3 === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 01:08:39,269 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 01:08:39,269 INFO L82 PathProgramCache]: Analyzing trace with hash 708648422, now seen corresponding path program 1 times [2020-10-22 01:08:39,270 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 01:08:39,271 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [739865024] [2020-10-22 01:08:39,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 01:08:39,299 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-10-22 01:08:39,299 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [338066988] [2020-10-22 01:08:39,300 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 01:08:39,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 01:08:39,392 INFO L263 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 3 conjunts are in the unsatisfiable core [2020-10-22 01:08:39,398 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-22 01:08:39,443 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 01:08:39,444 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [739865024] [2020-10-22 01:08:39,444 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-10-22 01:08:39,444 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [338066988] [2020-10-22 01:08:39,444 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-22 01:08:39,445 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2020-10-22 01:08:39,445 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1636341277] [2020-10-22 01:08:39,445 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 01:08:39,447 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 01:08:39,452 INFO L252 McrAutomatonBuilder]: Finished intersection with 11 states and 10 transitions. [2020-10-22 01:08:39,452 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 01:08:39,452 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-22 01:08:39,453 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-22 01:08:39,453 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 01:08:39,453 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-22 01:08:39,453 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-22 01:08:39,453 INFO L87 Difference]: Start difference. First operand 102 states and 199 transitions. Second operand 4 states. [2020-10-22 01:08:39,559 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 01:08:39,559 INFO L93 Difference]: Finished difference Result 103 states and 200 transitions. [2020-10-22 01:08:39,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-22 01:08:39,566 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 10 [2020-10-22 01:08:39,566 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 01:08:39,567 INFO L225 Difference]: With dead ends: 103 [2020-10-22 01:08:39,567 INFO L226 Difference]: Without dead ends: 103 [2020-10-22 01:08:39,568 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 01:08:39,572 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2020-10-22 01:08:39,584 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 103. [2020-10-22 01:08:39,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 103 states. [2020-10-22 01:08:39,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 200 transitions. [2020-10-22 01:08:39,585 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 200 transitions. Word has length 10 [2020-10-22 01:08:39,586 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 01:08:39,586 INFO L481 AbstractCegarLoop]: Abstraction has 103 states and 200 transitions. [2020-10-22 01:08:39,586 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-22 01:08:39,586 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 200 transitions. [2020-10-22 01:08:39,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-10-22 01:08:39,587 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 01:08:39,587 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1] [2020-10-22 01:08:39,787 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2020-10-22 01:08:39,789 INFO L429 AbstractCegarLoop]: === Iteration 4 === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 01:08:39,790 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 01:08:39,790 INFO L82 PathProgramCache]: Analyzing trace with hash 391971477, now seen corresponding path program 2 times [2020-10-22 01:08:39,795 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 01:08:39,795 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [663469833] [2020-10-22 01:08:39,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 01:08:39,837 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-10-22 01:08:39,837 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2052963001] [2020-10-22 01:08:39,837 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 01:08:39,921 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2020-10-22 01:08:39,921 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-10-22 01:08:39,923 INFO L263 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 4 conjunts are in the unsatisfiable core [2020-10-22 01:08:39,924 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-22 01:08:39,954 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 01:08:39,954 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [663469833] [2020-10-22 01:08:39,955 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-10-22 01:08:39,955 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2052963001] [2020-10-22 01:08:39,955 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-22 01:08:39,955 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-22 01:08:39,955 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1674924863] [2020-10-22 01:08:39,956 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 01:08:39,957 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 01:08:39,960 INFO L252 McrAutomatonBuilder]: Finished intersection with 12 states and 11 transitions. [2020-10-22 01:08:39,960 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 01:08:39,960 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-22 01:08:39,960 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-22 01:08:39,961 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 01:08:39,961 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-22 01:08:39,961 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2020-10-22 01:08:39,961 INFO L87 Difference]: Start difference. First operand 103 states and 200 transitions. Second operand 5 states. [2020-10-22 01:08:40,112 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 01:08:40,112 INFO L93 Difference]: Finished difference Result 104 states and 201 transitions. [2020-10-22 01:08:40,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-22 01:08:40,113 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 11 [2020-10-22 01:08:40,113 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 01:08:40,114 INFO L225 Difference]: With dead ends: 104 [2020-10-22 01:08:40,114 INFO L226 Difference]: Without dead ends: 104 [2020-10-22 01:08:40,115 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 01:08:40,116 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2020-10-22 01:08:40,122 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 104. [2020-10-22 01:08:40,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 104 states. [2020-10-22 01:08:40,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 201 transitions. [2020-10-22 01:08:40,124 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 201 transitions. Word has length 11 [2020-10-22 01:08:40,124 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 01:08:40,124 INFO L481 AbstractCegarLoop]: Abstraction has 104 states and 201 transitions. [2020-10-22 01:08:40,124 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-22 01:08:40,124 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 201 transitions. [2020-10-22 01:08:40,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-10-22 01:08:40,125 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 01:08:40,125 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1, 1] [2020-10-22 01:08:40,338 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-22 01:08:40,339 INFO L429 AbstractCegarLoop]: === Iteration 5 === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 01:08:40,339 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 01:08:40,340 INFO L82 PathProgramCache]: Analyzing trace with hash -835079226, now seen corresponding path program 3 times [2020-10-22 01:08:40,341 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 01:08:40,342 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1577743946] [2020-10-22 01:08:40,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 01:08:40,359 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-10-22 01:08:40,360 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1326070534] [2020-10-22 01:08:40,360 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 01:08:40,439 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2020-10-22 01:08:40,439 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-10-22 01:08:40,440 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 3 conjunts are in the unsatisfiable core [2020-10-22 01:08:40,441 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-22 01:08:40,463 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 01:08:40,463 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1577743946] [2020-10-22 01:08:40,463 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-10-22 01:08:40,464 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1326070534] [2020-10-22 01:08:40,464 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-22 01:08:40,464 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3] total 3 [2020-10-22 01:08:40,464 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [639638199] [2020-10-22 01:08:40,464 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 01:08:40,467 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 01:08:40,470 INFO L252 McrAutomatonBuilder]: Finished intersection with 13 states and 12 transitions. [2020-10-22 01:08:40,470 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 01:08:40,470 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-22 01:08:40,471 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-22 01:08:40,471 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 01:08:40,471 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-22 01:08:40,471 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-22 01:08:40,472 INFO L87 Difference]: Start difference. First operand 104 states and 201 transitions. Second operand 4 states. [2020-10-22 01:08:40,677 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 01:08:40,678 INFO L93 Difference]: Finished difference Result 113 states and 212 transitions. [2020-10-22 01:08:40,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-22 01:08:40,684 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 12 [2020-10-22 01:08:40,684 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 01:08:40,686 INFO L225 Difference]: With dead ends: 113 [2020-10-22 01:08:40,686 INFO L226 Difference]: Without dead ends: 113 [2020-10-22 01:08:40,686 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 01:08:40,687 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2020-10-22 01:08:40,693 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 109. [2020-10-22 01:08:40,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 109 states. [2020-10-22 01:08:40,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 207 transitions. [2020-10-22 01:08:40,694 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 207 transitions. Word has length 12 [2020-10-22 01:08:40,694 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 01:08:40,694 INFO L481 AbstractCegarLoop]: Abstraction has 109 states and 207 transitions. [2020-10-22 01:08:40,695 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-22 01:08:40,695 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 207 transitions. [2020-10-22 01:08:40,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-10-22 01:08:40,695 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 01:08:40,696 INFO L422 BasicCegarLoop]: trace histogram [6, 2, 2, 2, 1, 1, 1, 1, 1] [2020-10-22 01:08:40,911 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-22 01:08:40,912 INFO L429 AbstractCegarLoop]: === Iteration 6 === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 01:08:40,913 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 01:08:40,913 INFO L82 PathProgramCache]: Analyzing trace with hash -422568164, now seen corresponding path program 4 times [2020-10-22 01:08:40,915 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 01:08:40,916 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1488355020] [2020-10-22 01:08:40,916 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 01:08:40,946 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-10-22 01:08:40,946 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1506033991] [2020-10-22 01:08:40,946 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 01:08:41,079 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2020-10-22 01:08:41,080 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-10-22 01:08:41,083 INFO L263 TraceCheckSpWp]: Trace formula consists of 436 conjuncts, 5 conjunts are in the unsatisfiable core [2020-10-22 01:08:41,085 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-22 01:08:41,127 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 01:08:41,128 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1488355020] [2020-10-22 01:08:41,128 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-10-22 01:08:41,128 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1506033991] [2020-10-22 01:08:41,129 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-22 01:08:41,129 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-22 01:08:41,129 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [2120959420] [2020-10-22 01:08:41,129 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 01:08:41,134 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 01:08:41,141 INFO L252 McrAutomatonBuilder]: Finished intersection with 18 states and 17 transitions. [2020-10-22 01:08:41,142 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 01:08:41,142 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-22 01:08:41,143 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-22 01:08:41,143 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 01:08:41,143 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-22 01:08:41,143 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2020-10-22 01:08:41,144 INFO L87 Difference]: Start difference. First operand 109 states and 207 transitions. Second operand 6 states. [2020-10-22 01:08:41,471 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 01:08:41,471 INFO L93 Difference]: Finished difference Result 111 states and 209 transitions. [2020-10-22 01:08:41,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-22 01:08:41,472 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 17 [2020-10-22 01:08:41,472 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 01:08:41,473 INFO L225 Difference]: With dead ends: 111 [2020-10-22 01:08:41,473 INFO L226 Difference]: Without dead ends: 111 [2020-10-22 01:08:41,474 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 01:08:41,475 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2020-10-22 01:08:41,480 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 111. [2020-10-22 01:08:41,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 111 states. [2020-10-22 01:08:41,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 209 transitions. [2020-10-22 01:08:41,482 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 209 transitions. Word has length 17 [2020-10-22 01:08:41,482 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 01:08:41,482 INFO L481 AbstractCegarLoop]: Abstraction has 111 states and 209 transitions. [2020-10-22 01:08:41,482 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-22 01:08:41,482 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 209 transitions. [2020-10-22 01:08:41,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-10-22 01:08:41,483 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 01:08:41,483 INFO L422 BasicCegarLoop]: trace histogram [8, 2, 2, 2, 1, 1, 1, 1, 1] [2020-10-22 01:08:41,697 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-22 01:08:41,698 INFO L429 AbstractCegarLoop]: === Iteration 7 === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 01:08:41,698 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 01:08:41,699 INFO L82 PathProgramCache]: Analyzing trace with hash -1729237554, now seen corresponding path program 5 times [2020-10-22 01:08:41,701 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 01:08:41,701 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [944347875] [2020-10-22 01:08:41,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 01:08:41,720 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-10-22 01:08:41,721 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [260101230] [2020-10-22 01:08:41,721 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