/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.epf -i ../../../trunk/examples/svcomp/pthread/stack_longer-2.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c7e336b [2020-10-05 23:11:39,570 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-05 23:11:39,573 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-05 23:11:39,610 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-05 23:11:39,610 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-05 23:11:39,618 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-05 23:11:39,621 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-05 23:11:39,625 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-05 23:11:39,627 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-05 23:11:39,630 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-05 23:11:39,631 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-05 23:11:39,632 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-05 23:11:39,632 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-05 23:11:39,634 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-05 23:11:39,637 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-05 23:11:39,638 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-05 23:11:39,639 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-05 23:11:39,640 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-05 23:11:39,642 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-05 23:11:39,649 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-05 23:11:39,651 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-05 23:11:39,652 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-05 23:11:39,653 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-05 23:11:39,654 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-05 23:11:39,665 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-05 23:11:39,666 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-05 23:11:39,666 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-05 23:11:39,671 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-05 23:11:39,671 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-05 23:11:39,672 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-05 23:11:39,672 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-05 23:11:39,678 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-05 23:11:39,679 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-05 23:11:39,680 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-05 23:11:39,680 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-05 23:11:39,681 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-05 23:11:39,681 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-05 23:11:39,681 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-05 23:11:39,682 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-05 23:11:39,682 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-05 23:11:39,684 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-05 23:11:39,685 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.epf [2020-10-05 23:11:39,719 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-05 23:11:39,720 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-05 23:11:39,721 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-05 23:11:39,721 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-05 23:11:39,721 INFO L138 SettingsManager]: * Use SBE=true [2020-10-05 23:11:39,722 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-05 23:11:39,722 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-05 23:11:39,722 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-05 23:11:39,722 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-05 23:11:39,722 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-05 23:11:39,723 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-05 23:11:39,723 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-05 23:11:39,724 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-05 23:11:39,724 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-05 23:11:39,724 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-05 23:11:39,724 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-05 23:11:39,725 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-05 23:11:39,725 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-05 23:11:39,725 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-05 23:11:39,725 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-05 23:11:39,725 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-05 23:11:39,726 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-05 23:11:39,726 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-05 23:11:39,726 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2020-10-05 23:11:39,726 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-05 23:11:39,726 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-05 23:11:39,726 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-05 23:11:39,727 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2020-10-05 23:11:39,727 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-05 23:11:40,008 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-05 23:11:40,022 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-05 23:11:40,026 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-05 23:11:40,027 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-05 23:11:40,027 INFO L275 PluginConnector]: CDTParser initialized [2020-10-05 23:11:40,028 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread/stack_longer-2.i [2020-10-05 23:11:40,088 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2bd388554/aec09f2c10b34ad0a806f255c7cae30c/FLAG373394b48 [2020-10-05 23:11:40,669 INFO L306 CDTParser]: Found 1 translation units. [2020-10-05 23:11:40,669 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/stack_longer-2.i [2020-10-05 23:11:40,687 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2bd388554/aec09f2c10b34ad0a806f255c7cae30c/FLAG373394b48 [2020-10-05 23:11:40,915 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2bd388554/aec09f2c10b34ad0a806f255c7cae30c [2020-10-05 23:11:40,923 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-05 23:11:40,924 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-05 23:11:40,926 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-05 23:11:40,926 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-05 23:11:40,930 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-05 23:11:40,931 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.10 11:11:40" (1/1) ... [2020-10-05 23:11:40,934 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@668af6b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:11:40, skipping insertion in model container [2020-10-05 23:11:40,934 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.10 11:11:40" (1/1) ... [2020-10-05 23:11:40,943 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-05 23:11:40,999 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-05 23:11:41,587 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-05 23:11:41,607 INFO L203 MainTranslator]: Completed pre-run [2020-10-05 23:11:41,654 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-05 23:11:41,809 INFO L208 MainTranslator]: Completed translation [2020-10-05 23:11:41,809 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:11:41 WrapperNode [2020-10-05 23:11:41,809 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-05 23:11:41,810 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-05 23:11:41,810 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-05 23:11:41,811 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-05 23:11:41,820 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:11:41" (1/1) ... [2020-10-05 23:11:41,841 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:11:41" (1/1) ... [2020-10-05 23:11:41,872 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-05 23:11:41,872 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-05 23:11:41,873 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-05 23:11:41,873 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-05 23:11:41,883 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:11:41" (1/1) ... [2020-10-05 23:11:41,883 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:11:41" (1/1) ... [2020-10-05 23:11:41,888 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:11:41" (1/1) ... [2020-10-05 23:11:41,888 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:11:41" (1/1) ... [2020-10-05 23:11:41,898 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:11:41" (1/1) ... [2020-10-05 23:11:41,903 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:11:41" (1/1) ... [2020-10-05 23:11:41,906 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:11:41" (1/1) ... [2020-10-05 23:11:41,910 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-05 23:11:41,910 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-05 23:11:41,911 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-05 23:11:41,911 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-05 23:11:41,912 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:11:41" (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 [2020-10-05 23:11:41,982 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2020-10-05 23:11:41,982 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2020-10-05 23:11:41,982 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2020-10-05 23:11:41,982 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2020-10-05 23:11:41,983 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-05 23:11:41,983 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-05 23:11:41,984 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-05 23:11:41,984 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-05 23:11:41,985 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2020-10-05 23:11:41,985 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-05 23:11:41,988 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-05 23:11:41,988 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-05 23:11:41,990 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-10-05 23:11:42,443 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-05 23:11:42,443 INFO L298 CfgBuilder]: Removed 24 assume(true) statements. [2020-10-05 23:11:42,446 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.10 11:11:42 BoogieIcfgContainer [2020-10-05 23:11:42,446 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-05 23:11:42,447 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-05 23:11:42,448 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-05 23:11:42,451 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-05 23:11:42,451 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.10 11:11:40" (1/3) ... [2020-10-05 23:11:42,452 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2aa8982 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.10 11:11:42, skipping insertion in model container [2020-10-05 23:11:42,452 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:11:41" (2/3) ... [2020-10-05 23:11:42,453 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2aa8982 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.10 11:11:42, skipping insertion in model container [2020-10-05 23:11:42,453 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.10 11:11:42" (3/3) ... [2020-10-05 23:11:42,455 INFO L109 eAbstractionObserver]: Analyzing ICFG stack_longer-2.i [2020-10-05 23:11:42,466 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-05 23:11:42,466 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-05 23:11:42,474 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2020-10-05 23:11:42,475 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-05 23:11:42,539 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:11:42,540 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:11:42,540 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:11:42,540 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:11:42,541 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:11:42,541 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:11:42,541 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:11:42,541 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:11:42,542 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:11:42,542 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:11:42,542 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:11:42,542 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:11:42,542 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:11:42,543 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:11:42,543 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:11:42,543 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:11:42,543 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:11:42,544 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:11:42,544 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:11:42,544 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:11:42,544 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:11:42,545 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:11:42,545 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:11:42,545 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:11:42,545 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:11:42,545 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:11:42,546 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:11:42,546 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:11:42,546 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:11:42,546 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:11:42,546 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:11:42,547 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:11:42,547 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:11:42,547 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:11:42,547 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:11:42,547 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:11:42,547 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:11:42,548 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:11:42,548 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:11:42,548 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:11:42,548 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:11:42,549 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:11:42,549 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:11:42,549 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:11:42,549 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:11:42,549 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:11:42,550 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:11:42,550 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:11:42,550 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:11:42,550 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:11:42,551 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:11:42,551 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:11:42,551 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:11:42,551 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:11:42,551 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:11:42,552 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:11:42,552 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:11:42,552 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:11:42,552 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:11:42,553 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:11:42,553 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:11:42,553 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:11:42,553 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:11:42,553 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:11:42,554 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:11:42,554 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:11:42,554 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:11:42,554 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:11:42,555 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:11:42,555 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:11:42,556 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:11:42,556 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:11:42,556 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:11:42,556 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:11:42,557 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:11:42,557 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:11:42,557 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:11:42,557 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:11:42,557 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:11:42,558 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:11:42,558 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:11:42,558 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:11:42,558 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:11:42,559 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:11:42,559 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:11:42,559 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:11:42,559 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:11:42,559 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:11:42,560 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:11:42,560 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:11:42,560 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:11:42,560 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:11:42,560 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:11:42,560 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:11:42,561 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:11:42,561 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:11:42,561 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:11:42,561 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:11:42,562 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:11:42,562 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:11:42,562 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:11:42,562 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:11:42,562 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:11:42,563 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:11:42,563 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:11:42,563 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:11:42,563 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:11:42,563 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:11:42,564 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:11:42,564 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:11:42,564 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:11:42,564 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:11:42,565 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:11:42,565 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:11:42,565 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:11:42,565 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:11:42,566 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:11:42,566 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:11:42,566 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:11:42,566 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:11:42,566 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:11:42,566 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:11:42,567 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:11:42,570 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:11:42,571 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:11:42,571 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:11:42,571 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:11:42,571 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:11:42,571 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:11:42,572 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:11:42,572 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:11:42,572 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:11:42,572 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:11:42,572 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:11:42,573 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:11:42,573 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:11:42,573 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:11:42,573 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:11:42,573 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:11:42,573 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:11:42,574 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:11:42,574 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:11:42,574 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:11:42,574 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:11:42,574 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:11:42,575 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:11:42,580 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:11:42,581 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:11:42,581 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:11:42,581 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:11:42,581 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:11:42,581 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:11:42,582 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:11:42,582 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:11:42,582 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:11:42,582 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:11:42,582 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:11:42,583 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:11:42,583 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:11:42,583 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:11:42,583 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:11:42,583 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:11:42,583 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:11:42,584 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:11:42,604 INFO L251 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2020-10-05 23:11:42,625 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-05 23:11:42,625 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-05 23:11:42,625 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-05 23:11:42,625 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-05 23:11:42,625 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-05 23:11:42,625 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-05 23:11:42,626 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-05 23:11:42,626 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-05 23:11:42,643 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 133 places, 138 transitions, 298 flow [2020-10-05 23:11:42,645 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 133 places, 138 transitions, 298 flow [2020-10-05 23:11:42,715 INFO L129 PetriNetUnfolder]: 11/138 cut-off events. [2020-10-05 23:11:42,715 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2020-10-05 23:11:42,726 INFO L80 FinitePrefix]: Finished finitePrefix Result has 149 conditions, 138 events. 11/138 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 342 event pairs, 0 based on Foata normal form. 0/126 useless extension candidates. Maximal degree in co-relation 106. Up to 3 conditions per place. [2020-10-05 23:11:42,732 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 133 places, 138 transitions, 298 flow [2020-10-05 23:11:42,766 INFO L129 PetriNetUnfolder]: 11/138 cut-off events. [2020-10-05 23:11:42,767 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2020-10-05 23:11:42,769 INFO L80 FinitePrefix]: Finished finitePrefix Result has 149 conditions, 138 events. 11/138 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 342 event pairs, 0 based on Foata normal form. 0/126 useless extension candidates. Maximal degree in co-relation 106. Up to 3 conditions per place. [2020-10-05 23:11:42,774 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 5744 [2020-10-05 23:11:42,775 INFO L182 etLargeBlockEncoding]: Variable Check. [2020-10-05 23:11:45,294 WARN L193 SmtUtils]: Spent 359.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 99 [2020-10-05 23:11:45,498 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2020-10-05 23:11:45,816 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-05 23:11:46,020 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2020-10-05 23:11:46,033 INFO L206 etLargeBlockEncoding]: Checked pairs total: 7699 [2020-10-05 23:11:46,033 INFO L214 etLargeBlockEncoding]: Total number of compositions: 118 [2020-10-05 23:11:46,036 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 40 places, 40 transitions, 102 flow [2020-10-05 23:11:46,061 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 331 states. [2020-10-05 23:11:46,063 INFO L276 IsEmpty]: Start isEmpty. Operand 331 states. [2020-10-05 23:11:46,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-10-05 23:11:46,070 INFO L414 BasicCegarLoop]: Found error trace [2020-10-05 23:11:46,071 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2020-10-05 23:11:46,071 INFO L427 AbstractCegarLoop]: === Iteration 1 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-05 23:11:46,076 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-05 23:11:46,077 INFO L82 PathProgramCache]: Analyzing trace with hash -290275557, now seen corresponding path program 1 times [2020-10-05 23:11:46,087 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-05 23:11:46,087 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1987812197] [2020-10-05 23:11:46,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-05 23:11:46,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-05 23:11:46,322 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-05 23:11:46,322 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1987812197] [2020-10-05 23:11:46,323 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-05 23:11:46,323 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-05 23:11:46,324 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [401111533] [2020-10-05 23:11:46,329 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-05 23:11:46,329 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-05 23:11:46,344 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-05 23:11:46,345 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-05 23:11:46,347 INFO L87 Difference]: Start difference. First operand 331 states. Second operand 3 states. [2020-10-05 23:11:46,418 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-05 23:11:46,418 INFO L93 Difference]: Finished difference Result 504 states and 1247 transitions. [2020-10-05 23:11:46,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-05 23:11:46,420 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 6 [2020-10-05 23:11:46,420 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-05 23:11:46,442 INFO L225 Difference]: With dead ends: 504 [2020-10-05 23:11:46,442 INFO L226 Difference]: Without dead ends: 460 [2020-10-05 23:11:46,443 INFO L675 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 [2020-10-05 23:11:46,468 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 460 states. [2020-10-05 23:11:46,530 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 460 to 420. [2020-10-05 23:11:46,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 420 states. [2020-10-05 23:11:46,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 420 states to 420 states and 1095 transitions. [2020-10-05 23:11:46,547 INFO L78 Accepts]: Start accepts. Automaton has 420 states and 1095 transitions. Word has length 6 [2020-10-05 23:11:46,549 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-05 23:11:46,549 INFO L479 AbstractCegarLoop]: Abstraction has 420 states and 1095 transitions. [2020-10-05 23:11:46,549 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-05 23:11:46,549 INFO L276 IsEmpty]: Start isEmpty. Operand 420 states and 1095 transitions. [2020-10-05 23:11:46,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-10-05 23:11:46,550 INFO L414 BasicCegarLoop]: Found error trace [2020-10-05 23:11:46,550 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-05 23:11:46,551 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-05 23:11:46,551 INFO L427 AbstractCegarLoop]: === Iteration 2 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-05 23:11:46,551 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-05 23:11:46,551 INFO L82 PathProgramCache]: Analyzing trace with hash -1518668221, now seen corresponding path program 1 times [2020-10-05 23:11:46,552 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-05 23:11:46,552 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1787665859] [2020-10-05 23:11:46,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-05 23:11:46,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-05 23:11:46,617 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-05 23:11:46,618 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1787665859] [2020-10-05 23:11:46,618 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-05 23:11:46,618 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-05 23:11:46,618 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1875599145] [2020-10-05 23:11:46,620 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-05 23:11:46,620 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-05 23:11:46,620 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-05 23:11:46,621 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-05 23:11:46,621 INFO L87 Difference]: Start difference. First operand 420 states and 1095 transitions. Second operand 3 states. [2020-10-05 23:11:46,638 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-05 23:11:46,638 INFO L93 Difference]: Finished difference Result 464 states and 1205 transitions. [2020-10-05 23:11:46,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-05 23:11:46,639 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 10 [2020-10-05 23:11:46,639 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-05 23:11:46,643 INFO L225 Difference]: With dead ends: 464 [2020-10-05 23:11:46,643 INFO L226 Difference]: Without dead ends: 464 [2020-10-05 23:11:46,644 INFO L675 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 [2020-10-05 23:11:46,646 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 464 states. [2020-10-05 23:11:46,667 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 464 to 464. [2020-10-05 23:11:46,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 464 states. [2020-10-05 23:11:46,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 464 states to 464 states and 1205 transitions. [2020-10-05 23:11:46,670 INFO L78 Accepts]: Start accepts. Automaton has 464 states and 1205 transitions. Word has length 10 [2020-10-05 23:11:46,671 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-05 23:11:46,671 INFO L479 AbstractCegarLoop]: Abstraction has 464 states and 1205 transitions. [2020-10-05 23:11:46,671 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-05 23:11:46,671 INFO L276 IsEmpty]: Start isEmpty. Operand 464 states and 1205 transitions. [2020-10-05 23:11:46,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-10-05 23:11:46,673 INFO L414 BasicCegarLoop]: Found error trace [2020-10-05 23:11:46,673 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-05 23:11:46,673 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-05 23:11:46,673 INFO L427 AbstractCegarLoop]: === Iteration 3 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-05 23:11:46,673 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-05 23:11:46,674 INFO L82 PathProgramCache]: Analyzing trace with hash 542344755, now seen corresponding path program 1 times [2020-10-05 23:11:46,674 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-05 23:11:46,674 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [420926624] [2020-10-05 23:11:46,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-05 23:11:46,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-05 23:11:46,779 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-05 23:11:46,780 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [420926624] [2020-10-05 23:11:46,780 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1414208536] [2020-10-05 23:11:46,780 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 [2020-10-05 23:11:46,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-05 23:11:46,861 INFO L263 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 4 conjunts are in the unsatisfiable core [2020-10-05 23:11:46,867 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-05 23:11:46,910 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-05 23:11:46,910 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-05 23:11:46,911 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2020-10-05 23:11:46,911 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [622681011] [2020-10-05 23:11:46,911 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-05 23:11:46,912 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-05 23:11:46,912 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-05 23:11:46,912 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-05 23:11:46,912 INFO L87 Difference]: Start difference. First operand 464 states and 1205 transitions. Second operand 7 states. [2020-10-05 23:11:47,028 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-05 23:11:47,029 INFO L93 Difference]: Finished difference Result 866 states and 2152 transitions. [2020-10-05 23:11:47,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-05 23:11:47,029 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 13 [2020-10-05 23:11:47,030 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-05 23:11:47,061 INFO L225 Difference]: With dead ends: 866 [2020-10-05 23:11:47,062 INFO L226 Difference]: Without dead ends: 851 [2020-10-05 23:11:47,062 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2020-10-05 23:11:47,067 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 851 states. [2020-10-05 23:11:47,088 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 851 to 575. [2020-10-05 23:11:47,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 575 states. [2020-10-05 23:11:47,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 575 states to 575 states and 1484 transitions. [2020-10-05 23:11:47,092 INFO L78 Accepts]: Start accepts. Automaton has 575 states and 1484 transitions. Word has length 13 [2020-10-05 23:11:47,092 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-05 23:11:47,092 INFO L479 AbstractCegarLoop]: Abstraction has 575 states and 1484 transitions. [2020-10-05 23:11:47,093 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-05 23:11:47,093 INFO L276 IsEmpty]: Start isEmpty. Operand 575 states and 1484 transitions. [2020-10-05 23:11:47,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-10-05 23:11:47,095 INFO L414 BasicCegarLoop]: Found error trace [2020-10-05 23:11:47,096 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-05 23:11:47,310 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2020-10-05 23:11:47,311 INFO L427 AbstractCegarLoop]: === Iteration 4 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-05 23:11:47,312 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-05 23:11:47,312 INFO L82 PathProgramCache]: Analyzing trace with hash 843892794, now seen corresponding path program 1 times [2020-10-05 23:11:47,312 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-05 23:11:47,313 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1576287774] [2020-10-05 23:11:47,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-05 23:11:47,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-05 23:11:47,383 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-05 23:11:47,384 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1576287774] [2020-10-05 23:11:47,384 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-05 23:11:47,384 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-05 23:11:47,384 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1453879437] [2020-10-05 23:11:47,385 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-05 23:11:47,385 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-05 23:11:47,385 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-05 23:11:47,385 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-05 23:11:47,385 INFO L87 Difference]: Start difference. First operand 575 states and 1484 transitions. Second operand 3 states. [2020-10-05 23:11:47,403 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-05 23:11:47,403 INFO L93 Difference]: Finished difference Result 304 states and 670 transitions. [2020-10-05 23:11:47,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-05 23:11:47,404 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 16 [2020-10-05 23:11:47,404 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-05 23:11:47,406 INFO L225 Difference]: With dead ends: 304 [2020-10-05 23:11:47,406 INFO L226 Difference]: Without dead ends: 304 [2020-10-05 23:11:47,406 INFO L675 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 [2020-10-05 23:11:47,407 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 304 states. [2020-10-05 23:11:47,413 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 304 to 294. [2020-10-05 23:11:47,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 294 states. [2020-10-05 23:11:47,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 294 states and 643 transitions. [2020-10-05 23:11:47,415 INFO L78 Accepts]: Start accepts. Automaton has 294 states and 643 transitions. Word has length 16 [2020-10-05 23:11:47,415 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-05 23:11:47,415 INFO L479 AbstractCegarLoop]: Abstraction has 294 states and 643 transitions. [2020-10-05 23:11:47,415 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-05 23:11:47,416 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 643 transitions. [2020-10-05 23:11:47,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-10-05 23:11:47,417 INFO L414 BasicCegarLoop]: Found error trace [2020-10-05 23:11:47,417 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-05 23:11:47,417 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-05 23:11:47,418 INFO L427 AbstractCegarLoop]: === Iteration 5 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-05 23:11:47,418 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-05 23:11:47,418 INFO L82 PathProgramCache]: Analyzing trace with hash -960478475, now seen corresponding path program 1 times [2020-10-05 23:11:47,418 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-05 23:11:47,419 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [388998979] [2020-10-05 23:11:47,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-05 23:11:47,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-05 23:11:47,477 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-05 23:11:47,477 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [388998979] [2020-10-05 23:11:47,477 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-05 23:11:47,478 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-05 23:11:47,478 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1788736771] [2020-10-05 23:11:47,479 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-05 23:11:47,479 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-05 23:11:47,479 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-05 23:11:47,480 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-05 23:11:47,480 INFO L87 Difference]: Start difference. First operand 294 states and 643 transitions. Second operand 3 states. [2020-10-05 23:11:47,509 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-05 23:11:47,510 INFO L93 Difference]: Finished difference Result 372 states and 811 transitions. [2020-10-05 23:11:47,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-05 23:11:47,511 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2020-10-05 23:11:47,511 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-05 23:11:47,513 INFO L225 Difference]: With dead ends: 372 [2020-10-05 23:11:47,514 INFO L226 Difference]: Without dead ends: 372 [2020-10-05 23:11:47,514 INFO L675 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 [2020-10-05 23:11:47,515 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 372 states. [2020-10-05 23:11:47,522 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 372 to 295. [2020-10-05 23:11:47,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 295 states. [2020-10-05 23:11:47,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 295 states and 647 transitions. [2020-10-05 23:11:47,524 INFO L78 Accepts]: Start accepts. Automaton has 295 states and 647 transitions. Word has length 17 [2020-10-05 23:11:47,526 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-05 23:11:47,526 INFO L479 AbstractCegarLoop]: Abstraction has 295 states and 647 transitions. [2020-10-05 23:11:47,526 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-05 23:11:47,526 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 647 transitions. [2020-10-05 23:11:47,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-10-05 23:11:47,527 INFO L414 BasicCegarLoop]: Found error trace [2020-10-05 23:11:47,528 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2020-10-05 23:11:47,528 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-05 23:11:47,528 INFO L427 AbstractCegarLoop]: === Iteration 6 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-05 23:11:47,528 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-05 23:11:47,529 INFO L82 PathProgramCache]: Analyzing trace with hash -1582230501, now seen corresponding path program 2 times [2020-10-05 23:11:47,529 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-05 23:11:47,529 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1465640882] [2020-10-05 23:11:47,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-05 23:11:47,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-05 23:11:47,610 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-05 23:11:47,610 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1465640882] [2020-10-05 23:11:47,610 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [14824254] [2020-10-05 23:11:47,610 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 [2020-10-05 23:11:47,688 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2020-10-05 23:11:47,688 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-10-05 23:11:47,690 INFO L263 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 6 conjunts are in the unsatisfiable core [2020-10-05 23:11:47,692 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-05 23:11:47,726 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-05 23:11:47,726 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-05 23:11:47,726 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 8 [2020-10-05 23:11:47,727 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1008585935] [2020-10-05 23:11:47,727 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-05 23:11:47,727 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-05 23:11:47,728 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-05 23:11:47,728 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2020-10-05 23:11:47,728 INFO L87 Difference]: Start difference. First operand 295 states and 647 transitions. Second operand 9 states. [2020-10-05 23:11:47,828 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-05 23:11:47,828 INFO L93 Difference]: Finished difference Result 542 states and 1156 transitions. [2020-10-05 23:11:47,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-05 23:11:47,829 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 20 [2020-10-05 23:11:47,829 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-05 23:11:47,832 INFO L225 Difference]: With dead ends: 542 [2020-10-05 23:11:47,832 INFO L226 Difference]: Without dead ends: 542 [2020-10-05 23:11:47,833 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=48, Invalid=84, Unknown=0, NotChecked=0, Total=132 [2020-10-05 23:11:47,834 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 542 states. [2020-10-05 23:11:47,843 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 542 to 372. [2020-10-05 23:11:47,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 372 states. [2020-10-05 23:11:47,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 372 states and 816 transitions. [2020-10-05 23:11:47,845 INFO L78 Accepts]: Start accepts. Automaton has 372 states and 816 transitions. Word has length 20 [2020-10-05 23:11:47,845 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-05 23:11:47,845 INFO L479 AbstractCegarLoop]: Abstraction has 372 states and 816 transitions. [2020-10-05 23:11:47,845 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-05 23:11:47,846 INFO L276 IsEmpty]: Start isEmpty. Operand 372 states and 816 transitions. [2020-10-05 23:11:47,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-10-05 23:11:47,847 INFO L414 BasicCegarLoop]: Found error trace [2020-10-05 23:11:47,847 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-05 23:11:48,060 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-05 23:11:48,061 INFO L427 AbstractCegarLoop]: === Iteration 7 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-05 23:11:48,062 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-05 23:11:48,062 INFO L82 PathProgramCache]: Analyzing trace with hash 69417077, now seen corresponding path program 1 times [2020-10-05 23:11:48,062 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-05 23:11:48,063 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [271466947] [2020-10-05 23:11:48,063 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-05 23:11:48,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-05 23:11:48,310 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-05 23:11:48,311 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [271466947] [2020-10-05 23:11:48,311 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-05 23:11:48,311 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-05 23:11:48,312 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [799263485] [2020-10-05 23:11:48,312 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-05 23:11:48,312 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-05 23:11:48,312 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-05 23:11:48,313 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2020-10-05 23:11:48,313 INFO L87 Difference]: Start difference. First operand 372 states and 816 transitions. Second operand 9 states. [2020-10-05 23:11:48,582 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-05 23:11:48,582 INFO L93 Difference]: Finished difference Result 643 states and 1378 transitions. [2020-10-05 23:11:48,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-05 23:11:48,583 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 21 [2020-10-05 23:11:48,583 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-05 23:11:48,586 INFO L225 Difference]: With dead ends: 643 [2020-10-05 23:11:48,586 INFO L226 Difference]: Without dead ends: 581 [2020-10-05 23:11:48,587 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2020-10-05 23:11:48,588 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 581 states. [2020-10-05 23:11:48,597 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 581 to 416. [2020-10-05 23:11:48,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 416 states. [2020-10-05 23:11:48,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 416 states to 416 states and 916 transitions. [2020-10-05 23:11:48,599 INFO L78 Accepts]: Start accepts. Automaton has 416 states and 916 transitions. Word has length 21 [2020-10-05 23:11:48,599 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-05 23:11:48,599 INFO L479 AbstractCegarLoop]: Abstraction has 416 states and 916 transitions. [2020-10-05 23:11:48,599 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-05 23:11:48,599 INFO L276 IsEmpty]: Start isEmpty. Operand 416 states and 916 transitions. [2020-10-05 23:11:48,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-10-05 23:11:48,600 INFO L414 BasicCegarLoop]: Found error trace [2020-10-05 23:11:48,601 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-05 23:11:48,601 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-05 23:11:48,621 INFO L427 AbstractCegarLoop]: === Iteration 8 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-05 23:11:48,622 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-05 23:11:48,622 INFO L82 PathProgramCache]: Analyzing trace with hash 2126692033, now seen corresponding path program 1 times [2020-10-05 23:11:48,622 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-05 23:11:48,622 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [816224207] [2020-10-05 23:11:48,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-05 23:11:48,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-05 23:11:48,739 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-05 23:11:48,740 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [816224207] [2020-10-05 23:11:48,740 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [54410583] [2020-10-05 23:11:48,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 [2020-10-05 23:11:48,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-05 23:11:48,838 INFO L263 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 6 conjunts are in the unsatisfiable core [2020-10-05 23:11:48,839 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-05 23:11:48,871 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-10-05 23:11:48,871 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-10-05 23:11:48,871 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6] total 7 [2020-10-05 23:11:48,873 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [512143725] [2020-10-05 23:11:48,874 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-05 23:11:48,874 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-05 23:11:48,874 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-05 23:11:48,874 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-05 23:11:48,874 INFO L87 Difference]: Start difference. First operand 416 states and 916 transitions. Second operand 6 states. [2020-10-05 23:11:48,957 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-05 23:11:48,957 INFO L93 Difference]: Finished difference Result 576 states and 1231 transitions. [2020-10-05 23:11:48,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-05 23:11:48,958 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 24 [2020-10-05 23:11:48,958 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-05 23:11:48,961 INFO L225 Difference]: With dead ends: 576 [2020-10-05 23:11:48,962 INFO L226 Difference]: Without dead ends: 566 [2020-10-05 23:11:48,962 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2020-10-05 23:11:48,964 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 566 states. [2020-10-05 23:11:48,975 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 566 to 476. [2020-10-05 23:11:48,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 476 states. [2020-10-05 23:11:48,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 476 states to 476 states and 1042 transitions. [2020-10-05 23:11:48,977 INFO L78 Accepts]: Start accepts. Automaton has 476 states and 1042 transitions. Word has length 24 [2020-10-05 23:11:48,978 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-05 23:11:48,978 INFO L479 AbstractCegarLoop]: Abstraction has 476 states and 1042 transitions. [2020-10-05 23:11:48,978 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-05 23:11:48,978 INFO L276 IsEmpty]: Start isEmpty. Operand 476 states and 1042 transitions. [2020-10-05 23:11:48,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-10-05 23:11:48,979 INFO L414 BasicCegarLoop]: Found error trace [2020-10-05 23:11:48,980 INFO L422 BasicCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1] [2020-10-05 23:11:49,192 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-05 23:11:49,193 INFO L427 AbstractCegarLoop]: === Iteration 9 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-05 23:11:49,194 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-05 23:11:49,194 INFO L82 PathProgramCache]: Analyzing trace with hash 2004586803, now seen corresponding path program 3 times [2020-10-05 23:11:49,194 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-05 23:11:49,195 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [921572540] [2020-10-05 23:11:49,195 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-05 23:11:49,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-05 23:11:49,272 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 3 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-05 23:11:49,272 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [921572540] [2020-10-05 23:11:49,273 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1131528153] [2020-10-05 23:11:49,273 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 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 [2020-10-05 23:11:49,387 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2020-10-05 23:11:49,387 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-10-05 23:11:49,389 INFO L263 TraceCheckSpWp]: Trace formula consists of 233 conjuncts, 8 conjunts are in the unsatisfiable core [2020-10-05 23:11:49,391 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-05 23:11:49,429 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 3 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-05 23:11:49,430 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-05 23:11:49,430 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 10 [2020-10-05 23:11:49,430 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1601563157] [2020-10-05 23:11:49,431 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-05 23:11:49,431 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-05 23:11:49,431 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-05 23:11:49,432 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2020-10-05 23:11:49,432 INFO L87 Difference]: Start difference. First operand 476 states and 1042 transitions. Second operand 11 states. [2020-10-05 23:11:49,574 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-05 23:11:49,574 INFO L93 Difference]: Finished difference Result 789 states and 1669 transitions. [2020-10-05 23:11:49,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-05 23:11:49,575 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 27 [2020-10-05 23:11:49,575 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-05 23:11:49,579 INFO L225 Difference]: With dead ends: 789 [2020-10-05 23:11:49,579 INFO L226 Difference]: Without dead ends: 789 [2020-10-05 23:11:49,580 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=73, Invalid=137, Unknown=0, NotChecked=0, Total=210 [2020-10-05 23:11:49,582 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 789 states. [2020-10-05 23:11:49,594 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 789 to 553. [2020-10-05 23:11:49,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 553 states. [2020-10-05 23:11:49,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 553 states to 553 states and 1211 transitions. [2020-10-05 23:11:49,596 INFO L78 Accepts]: Start accepts. Automaton has 553 states and 1211 transitions. Word has length 27 [2020-10-05 23:11:49,597 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-05 23:11:49,597 INFO L479 AbstractCegarLoop]: Abstraction has 553 states and 1211 transitions. [2020-10-05 23:11:49,597 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-05 23:11:49,597 INFO L276 IsEmpty]: Start isEmpty. Operand 553 states and 1211 transitions. [2020-10-05 23:11:49,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-10-05 23:11:49,599 INFO L414 BasicCegarLoop]: Found error trace [2020-10-05 23:11:49,599 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-05 23:11:49,812 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-05 23:11:49,813 INFO L427 AbstractCegarLoop]: === Iteration 10 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-05 23:11:49,813 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-05 23:11:49,813 INFO L82 PathProgramCache]: Analyzing trace with hash -408396195, now seen corresponding path program 2 times [2020-10-05 23:11:49,813 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-05 23:11:49,814 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1983486289] [2020-10-05 23:11:49,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-05 23:11:49,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-05 23:11:50,140 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-05 23:11:50,141 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1983486289] [2020-10-05 23:11:50,141 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-05 23:11:50,142 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-10-05 23:11:50,142 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [279020426] [2020-10-05 23:11:50,142 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-10-05 23:11:50,142 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-05 23:11:50,143 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-10-05 23:11:50,143 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=175, Unknown=0, NotChecked=0, Total=210 [2020-10-05 23:11:50,143 INFO L87 Difference]: Start difference. First operand 553 states and 1211 transitions. Second operand 15 states. [2020-10-05 23:11:51,826 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-05 23:11:51,826 INFO L93 Difference]: Finished difference Result 888 states and 1900 transitions. [2020-10-05 23:11:51,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2020-10-05 23:11:51,827 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 28 [2020-10-05 23:11:51,827 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-05 23:11:51,832 INFO L225 Difference]: With dead ends: 888 [2020-10-05 23:11:51,832 INFO L226 Difference]: Without dead ends: 848 [2020-10-05 23:11:51,832 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 275 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=256, Invalid=1076, Unknown=0, NotChecked=0, Total=1332 [2020-10-05 23:11:51,834 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 848 states. [2020-10-05 23:11:51,847 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 848 to 543. [2020-10-05 23:11:51,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 543 states. [2020-10-05 23:11:51,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 543 states to 543 states and 1192 transitions. [2020-10-05 23:11:51,849 INFO L78 Accepts]: Start accepts. Automaton has 543 states and 1192 transitions. Word has length 28 [2020-10-05 23:11:51,850 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-05 23:11:51,850 INFO L479 AbstractCegarLoop]: Abstraction has 543 states and 1192 transitions. [2020-10-05 23:11:51,850 INFO L480 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-10-05 23:11:51,850 INFO L276 IsEmpty]: Start isEmpty. Operand 543 states and 1192 transitions. [2020-10-05 23:11:51,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-10-05 23:11:51,854 INFO L414 BasicCegarLoop]: Found error trace [2020-10-05 23:11:51,854 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-05 23:11:51,854 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-05 23:11:51,854 INFO L427 AbstractCegarLoop]: === Iteration 11 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-05 23:11:51,855 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-05 23:11:51,855 INFO L82 PathProgramCache]: Analyzing trace with hash 1113124825, now seen corresponding path program 2 times [2020-10-05 23:11:51,855 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-05 23:11:51,855 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1150522887] [2020-10-05 23:11:51,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-05 23:11:51,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-05 23:11:51,958 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 9 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-10-05 23:11:51,959 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1150522887] [2020-10-05 23:11:51,959 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [254240352] [2020-10-05 23:11:51,959 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 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 [2020-10-05 23:11:52,043 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2020-10-05 23:11:52,044 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-10-05 23:11:52,045 INFO L263 TraceCheckSpWp]: Trace formula consists of 236 conjuncts, 8 conjunts are in the unsatisfiable core [2020-10-05 23:11:52,048 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-05 23:11:52,088 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 9 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-10-05 23:11:52,088 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-05 23:11:52,089 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 9 [2020-10-05 23:11:52,089 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1875890423] [2020-10-05 23:11:52,090 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-05 23:11:52,091 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-05 23:11:52,091 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-05 23:11:52,093 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2020-10-05 23:11:52,093 INFO L87 Difference]: Start difference. First operand 543 states and 1192 transitions. Second operand 10 states. [2020-10-05 23:11:52,217 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-05 23:11:52,217 INFO L93 Difference]: Finished difference Result 859 states and 1820 transitions. [2020-10-05 23:11:52,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-05 23:11:52,217 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 31 [2020-10-05 23:11:52,218 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-05 23:11:52,223 INFO L225 Difference]: With dead ends: 859 [2020-10-05 23:11:52,223 INFO L226 Difference]: Without dead ends: 859 [2020-10-05 23:11:52,224 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=60, Invalid=150, Unknown=0, NotChecked=0, Total=210 [2020-10-05 23:11:52,226 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 859 states. [2020-10-05 23:11:52,239 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 859 to 587. [2020-10-05 23:11:52,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 587 states. [2020-10-05 23:11:52,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 587 states to 587 states and 1316 transitions. [2020-10-05 23:11:52,241 INFO L78 Accepts]: Start accepts. Automaton has 587 states and 1316 transitions. Word has length 31 [2020-10-05 23:11:52,241 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-05 23:11:52,241 INFO L479 AbstractCegarLoop]: Abstraction has 587 states and 1316 transitions. [2020-10-05 23:11:52,241 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-05 23:11:52,241 INFO L276 IsEmpty]: Start isEmpty. Operand 587 states and 1316 transitions. [2020-10-05 23:11:52,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-10-05 23:11:52,243 INFO L414 BasicCegarLoop]: Found error trace [2020-10-05 23:11:52,243 INFO L422 BasicCegarLoop]: trace histogram [5, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1] [2020-10-05 23:11:52,456 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2020-10-05 23:11:52,457 INFO L427 AbstractCegarLoop]: === Iteration 12 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-05 23:11:52,457 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-05 23:11:52,457 INFO L82 PathProgramCache]: Analyzing trace with hash 443984155, now seen corresponding path program 4 times [2020-10-05 23:11:52,457 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-05 23:11:52,457 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [421351510] [2020-10-05 23:11:52,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-05 23:11:52,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-05 23:11:52,549 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 4 proven. 50 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-05 23:11:52,550 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [421351510] [2020-10-05 23:11:52,550 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2056609037] [2020-10-05 23:11:52,550 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 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-05 23:11:52,637 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2020-10-05 23:11:52,638 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-10-05 23:11:52,639 INFO L263 TraceCheckSpWp]: Trace formula consists of 278 conjuncts, 10 conjunts are in the unsatisfiable core [2020-10-05 23:11:52,641 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-05 23:11:52,671 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 4 proven. 50 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-05 23:11:52,671 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-05 23:11:52,671 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 12 [2020-10-05 23:11:52,672 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [977366612] [2020-10-05 23:11:52,672 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-05 23:11:52,672 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-05 23:11:52,672 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-05 23:11:52,673 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2020-10-05 23:11:52,673 INFO L87 Difference]: Start difference. First operand 587 states and 1316 transitions. Second operand 13 states. [2020-10-05 23:11:52,799 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-05 23:11:52,799 INFO L93 Difference]: Finished difference Result 931 states and 2006 transitions. [2020-10-05 23:11:52,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-05 23:11:52,800 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 34 [2020-10-05 23:11:52,800 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-05 23:11:52,805 INFO L225 Difference]: With dead ends: 931 [2020-10-05 23:11:52,805 INFO L226 Difference]: Without dead ends: 931 [2020-10-05 23:11:52,805 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=103, Invalid=203, Unknown=0, NotChecked=0, Total=306 [2020-10-05 23:11:52,807 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 931 states. [2020-10-05 23:11:52,821 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 931 to 664. [2020-10-05 23:11:52,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 664 states. [2020-10-05 23:11:52,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 664 states to 664 states and 1485 transitions. [2020-10-05 23:11:52,824 INFO L78 Accepts]: Start accepts. Automaton has 664 states and 1485 transitions. Word has length 34 [2020-10-05 23:11:52,824 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-05 23:11:52,824 INFO L479 AbstractCegarLoop]: Abstraction has 664 states and 1485 transitions. [2020-10-05 23:11:52,824 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-05 23:11:52,824 INFO L276 IsEmpty]: Start isEmpty. Operand 664 states and 1485 transitions. [2020-10-05 23:11:52,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2020-10-05 23:11:52,826 INFO L414 BasicCegarLoop]: Found error trace [2020-10-05 23:11:52,826 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-05 23:11:53,039 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-05 23:11:53,040 INFO L427 AbstractCegarLoop]: === Iteration 13 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-05 23:11:53,040 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-05 23:11:53,040 INFO L82 PathProgramCache]: Analyzing trace with hash -1975916590, now seen corresponding path program 1 times [2020-10-05 23:11:53,040 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-05 23:11:53,040 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [108161826] [2020-10-05 23:11:53,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-05 23:11:53,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-05 23:11:53,174 ERROR L253 erpolLogProxyWrapper]: Symbol error in Interpolant 22: A-local: [(t1Thread1of1ForFork0_push_~stack.offset_3 Int), (|t1Thread1of1ForFork0_push_#t~ret35_5| Int)], B-local: []. [2020-10-05 23:11:53,175 ERROR L253 erpolLogProxyWrapper]: Symbol error in Interpolant 23: A-local: [(t1Thread1of1ForFork0_push_~stack.offset_3 Int), (|t1Thread1of1ForFork0_push_#t~ret35_5| Int)], B-local: []. [2020-10-05 23:11:53,178 ERROR L253 erpolLogProxyWrapper]: Symbol error in Interpolant 24: A-local: [(t1Thread1of1ForFork0_push_~stack.offset_3 Int), (|t1Thread1of1ForFork0_push_#t~ret35_5| Int)], B-local: []. [2020-10-05 23:11:53,182 ERROR L253 erpolLogProxyWrapper]: Interpolant 25 not inductive [2020-10-05 23:11:53,195 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-05 23:11:53,196 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: generated interpolants did not pass sanity check at de.uni_freiburg.informatik.ultimate.smtinterpol.interpolate.Interpolator.getInterpolants(Interpolator.java:219) at de.uni_freiburg.informatik.ultimate.smtinterpol.smtlib2.SMTInterpol.getInterpolants(SMTInterpol.java:876) at de.uni_freiburg.informatik.ultimate.logic.NoopScript.getInterpolants(NoopScript.java:392) at de.uni_freiburg.informatik.ultimate.logic.NoopScript.getInterpolants(NoopScript.java:386) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.getInterpolants(WrapperScript.java:337) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.getInterpolants(WrapperScript.java:337) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.ManagedScript.getInterpolants(ManagedScript.java:191) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.NestedInterpolantsBuilder.computeCraigInterpolants(NestedInterpolantsBuilder.java:285) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.NestedInterpolantsBuilder.(NestedInterpolantsBuilder.java:166) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolantsRecursive(InterpolatingTraceCheckCraig.java:326) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolants(InterpolatingTraceCheckCraig.java:228) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.(InterpolatingTraceCheckCraig.java:97) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleCraig.construct(IpTcStrategyModuleCraig.java:79) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleCraig.construct(IpTcStrategyModuleCraig.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:57) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:242) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:166) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:75) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:508) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:436) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:370) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopResult.iterate(CegarLoopResult.java:142) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterateNew(TraceAbstractionStarter.java:352) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:175) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:127) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:120) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:317) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2020-10-05 23:11:53,202 INFO L168 Benchmark]: Toolchain (without parser) took 12277.90 ms. Allocated memory was 140.5 MB in the beginning and 345.5 MB in the end (delta: 205.0 MB). Free memory was 101.4 MB in the beginning and 285.6 MB in the end (delta: -184.2 MB). Peak memory consumption was 20.8 MB. Max. memory is 7.1 GB. [2020-10-05 23:11:53,203 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 140.5 MB. Free memory was 122.0 MB in the beginning and 121.8 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. [2020-10-05 23:11:53,204 INFO L168 Benchmark]: CACSL2BoogieTranslator took 883.70 ms. Allocated memory was 140.5 MB in the beginning and 203.9 MB in the end (delta: 63.4 MB). Free memory was 101.2 MB in the beginning and 134.8 MB in the end (delta: -33.6 MB). Peak memory consumption was 35.1 MB. Max. memory is 7.1 GB. [2020-10-05 23:11:53,205 INFO L168 Benchmark]: Boogie Procedure Inliner took 61.79 ms. Allocated memory is still 203.9 MB. Free memory was 134.8 MB in the beginning and 132.2 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 7.1 GB. [2020-10-05 23:11:53,205 INFO L168 Benchmark]: Boogie Preprocessor took 37.59 ms. Allocated memory is still 203.9 MB. Free memory was 132.2 MB in the beginning and 130.3 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2020-10-05 23:11:53,206 INFO L168 Benchmark]: RCFGBuilder took 535.87 ms. Allocated memory is still 203.9 MB. Free memory was 130.3 MB in the beginning and 97.8 MB in the end (delta: 32.5 MB). Peak memory consumption was 32.5 MB. Max. memory is 7.1 GB. [2020-10-05 23:11:53,207 INFO L168 Benchmark]: TraceAbstraction took 10753.33 ms. Allocated memory was 203.9 MB in the beginning and 345.5 MB in the end (delta: 141.6 MB). Free memory was 97.1 MB in the beginning and 285.6 MB in the end (delta: -188.5 MB). There was no memory consumed. Max. memory is 7.1 GB. [2020-10-05 23:11:53,210 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 140.5 MB. Free memory was 122.0 MB in the beginning and 121.8 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 883.70 ms. Allocated memory was 140.5 MB in the beginning and 203.9 MB in the end (delta: 63.4 MB). Free memory was 101.2 MB in the beginning and 134.8 MB in the end (delta: -33.6 MB). Peak memory consumption was 35.1 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 61.79 ms. Allocated memory is still 203.9 MB. Free memory was 134.8 MB in the beginning and 132.2 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 37.59 ms. Allocated memory is still 203.9 MB. Free memory was 132.2 MB in the beginning and 130.3 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 535.87 ms. Allocated memory is still 203.9 MB. Free memory was 130.3 MB in the beginning and 97.8 MB in the end (delta: 32.5 MB). Peak memory consumption was 32.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 10753.33 ms. Allocated memory was 203.9 MB in the beginning and 345.5 MB in the end (delta: 141.6 MB). Free memory was 97.1 MB in the beginning and 285.6 MB in the end (delta: -188.5 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 3.3s, 133 ProgramPointsBefore, 40 ProgramPointsAfterwards, 138 TransitionsBefore, 40 TransitionsAfterwards, 5744 CoEnabledTransitionPairs, 7 FixpointIterations, 26 TrivialSequentialCompositions, 75 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 17 ConcurrentYvCompositions, 5 ChoiceCompositions, 3038 VarBasedMoverChecksPositive, 46 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 0 MoverChecksTotal, 7699 CheckedPairsTotal, 118 TotalNumberOfCompositions - ExceptionOrErrorResult: SMTLIBException: generated interpolants did not pass sanity check de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: generated interpolants did not pass sanity check: de.uni_freiburg.informatik.ultimate.smtinterpol.interpolate.Interpolator.getInterpolants(Interpolator.java:219) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...