/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-ext/32_pthread5_vs.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-b09bf87 [2020-10-16 11:50:52,632 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-16 11:50:52,634 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-16 11:50:52,660 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-16 11:50:52,660 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-16 11:50:52,661 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-16 11:50:52,663 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-16 11:50:52,664 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-16 11:50:52,666 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-16 11:50:52,667 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-16 11:50:52,668 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-16 11:50:52,669 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-16 11:50:52,669 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-16 11:50:52,670 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-16 11:50:52,671 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-16 11:50:52,672 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-16 11:50:52,673 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-16 11:50:52,674 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-16 11:50:52,676 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-16 11:50:52,678 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-16 11:50:52,679 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-16 11:50:52,680 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-16 11:50:52,682 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-16 11:50:52,683 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-16 11:50:52,685 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-10-16 11:50:52,689 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-16 11:50:52,689 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-16 11:50:52,690 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-16 11:50:52,691 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-16 11:50:52,692 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-16 11:50:52,692 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-16 11:50:52,693 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-16 11:50:52,693 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-16 11:50:52,693 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-16 11:50:52,694 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-16 11:50:52,695 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-16 11:50:52,696 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/mcr/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA.epf [2020-10-16 11:50:52,720 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-16 11:50:52,720 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-16 11:50:52,721 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-16 11:50:52,722 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-16 11:50:52,722 INFO L138 SettingsManager]: * Use SBE=true [2020-10-16 11:50:52,722 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-16 11:50:52,722 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-16 11:50:52,722 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-16 11:50:52,723 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-16 11:50:52,723 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-16 11:50:52,723 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-16 11:50:52,723 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-16 11:50:52,723 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-16 11:50:52,724 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-16 11:50:52,724 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-16 11:50:52,724 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-16 11:50:52,724 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-16 11:50:52,724 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-16 11:50:52,725 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-16 11:50:52,725 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-16 11:50:52,725 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-16 11:50:52,725 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-16 11:50:52,725 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-16 11:50:52,726 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2020-10-16 11:50:52,726 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-16 11:50:52,726 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-16 11:50:52,726 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-16 11:50:52,726 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2020-10-16 11:50:52,726 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-16 11:50:53,032 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-16 11:50:53,045 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-16 11:50:53,048 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-16 11:50:53,049 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-16 11:50:53,050 INFO L275 PluginConnector]: CDTParser initialized [2020-10-16 11:50:53,050 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-ext/32_pthread5_vs.i [2020-10-16 11:50:53,118 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/1d8b931ee/4663182120c74928aa2a298aa88a705f/FLAG75867c4c5 [2020-10-16 11:50:53,613 INFO L306 CDTParser]: Found 1 translation units. [2020-10-16 11:50:53,614 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/pthread-ext/32_pthread5_vs.i [2020-10-16 11:50:53,630 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/1d8b931ee/4663182120c74928aa2a298aa88a705f/FLAG75867c4c5 [2020-10-16 11:50:53,957 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/1d8b931ee/4663182120c74928aa2a298aa88a705f [2020-10-16 11:50:53,965 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-16 11:50:53,967 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-16 11:50:53,968 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-16 11:50:53,969 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-16 11:50:53,972 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-16 11:50:53,974 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 11:50:53" (1/1) ... [2020-10-16 11:50:53,978 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@639ce9ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:50:53, skipping insertion in model container [2020-10-16 11:50:53,978 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 11:50:53" (1/1) ... [2020-10-16 11:50:53,988 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-16 11:50:54,053 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-16 11:50:54,522 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-16 11:50:54,533 INFO L203 MainTranslator]: Completed pre-run [2020-10-16 11:50:54,575 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-16 11:50:54,664 INFO L208 MainTranslator]: Completed translation [2020-10-16 11:50:54,665 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:50:54 WrapperNode [2020-10-16 11:50:54,666 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-16 11:50:54,667 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-16 11:50:54,667 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-16 11:50:54,667 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-16 11:50:54,675 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:50:54" (1/1) ... [2020-10-16 11:50:54,692 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:50:54" (1/1) ... [2020-10-16 11:50:54,720 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-16 11:50:54,720 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-16 11:50:54,721 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-16 11:50:54,721 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-16 11:50:54,728 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:50:54" (1/1) ... [2020-10-16 11:50:54,729 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:50:54" (1/1) ... [2020-10-16 11:50:54,732 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:50:54" (1/1) ... [2020-10-16 11:50:54,732 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:50:54" (1/1) ... [2020-10-16 11:50:54,739 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:50:54" (1/1) ... [2020-10-16 11:50:54,745 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:50:54" (1/1) ... [2020-10-16 11:50:54,747 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:50:54" (1/1) ... [2020-10-16 11:50:54,751 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-16 11:50:54,751 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-16 11:50:54,752 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-16 11:50:54,752 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-16 11:50:54,753 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:50:54" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/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 [2020-10-16 11:50:54,830 INFO L130 BoogieDeclarations]: Found specification of procedure thr2 [2020-10-16 11:50:54,830 INFO L138 BoogieDeclarations]: Found implementation of procedure thr2 [2020-10-16 11:50:54,831 INFO L130 BoogieDeclarations]: Found specification of procedure thr3 [2020-10-16 11:50:54,831 INFO L138 BoogieDeclarations]: Found implementation of procedure thr3 [2020-10-16 11:50:54,831 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2020-10-16 11:50:54,832 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2020-10-16 11:50:54,833 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-16 11:50:54,833 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-16 11:50:54,834 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-16 11:50:54,834 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-16 11:50:54,836 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-16 11:50:54,838 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-10-16 11:50:55,476 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-16 11:50:55,477 INFO L298 CfgBuilder]: Removed 6 assume(true) statements. [2020-10-16 11:50:55,480 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 11:50:55 BoogieIcfgContainer [2020-10-16 11:50:55,480 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-16 11:50:55,481 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-16 11:50:55,481 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-16 11:50:55,485 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-16 11:50:55,486 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 11:50:53" (1/3) ... [2020-10-16 11:50:55,486 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1da67dc5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 11:50:55, skipping insertion in model container [2020-10-16 11:50:55,487 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:50:54" (2/3) ... [2020-10-16 11:50:55,487 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1da67dc5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 11:50:55, skipping insertion in model container [2020-10-16 11:50:55,487 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 11:50:55" (3/3) ... [2020-10-16 11:50:55,489 INFO L111 eAbstractionObserver]: Analyzing ICFG 32_pthread5_vs.i [2020-10-16 11:50:55,502 WARN L153 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-16 11:50:55,502 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-16 11:50:55,511 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2020-10-16 11:50:55,512 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-16 11:50:55,543 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:50:55,544 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:50:55,544 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:50:55,545 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:50:55,545 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:50:55,545 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:50:55,546 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:50:55,546 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:50:55,547 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:50:55,547 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:50:55,548 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:50:55,548 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:50:55,548 WARN L313 ript$VariableManager]: TermVariabe thr3Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:50:55,549 WARN L313 ript$VariableManager]: TermVariabe thr3Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:50:55,549 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:50:55,549 WARN L313 ript$VariableManager]: TermVariabe thr3Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:50:55,550 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:50:55,550 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:50:55,550 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:50:55,550 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:50:55,551 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:50:55,551 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:50:55,551 WARN L313 ript$VariableManager]: TermVariabe thr3Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:50:55,552 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:50:55,552 WARN L313 ript$VariableManager]: TermVariabe thr3Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:50:55,552 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:50:55,553 WARN L313 ript$VariableManager]: TermVariabe thr3Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:50:55,553 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:50:55,553 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:50:55,554 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:50:55,554 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:50:55,554 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:50:55,555 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:50:55,555 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:50:55,555 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:50:55,556 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:50:55,556 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:50:55,556 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:50:55,556 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:50:55,560 WARN L313 ript$VariableManager]: TermVariabe thr3Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:50:55,561 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:50:55,564 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:50:55,564 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:50:55,565 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:50:55,565 WARN L313 ript$VariableManager]: TermVariabe thr3Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:50:55,565 WARN L313 ript$VariableManager]: TermVariabe thr3Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:50:55,572 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:50:55,572 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:50:55,572 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:50:55,572 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:50:55,573 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:50:55,573 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:50:55,576 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:50:55,576 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:50:55,576 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:50:55,577 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:50:55,577 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:50:55,577 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:50:55,579 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2020-10-16 11:50:55,594 INFO L253 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2020-10-16 11:50:55,618 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-16 11:50:55,618 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-16 11:50:55,618 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-16 11:50:55,618 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-16 11:50:55,619 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-16 11:50:55,619 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-16 11:50:55,619 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-16 11:50:55,619 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-16 11:50:55,635 INFO L137 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2020-10-16 11:50:55,636 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 74 places, 72 transitions, 159 flow [2020-10-16 11:50:55,639 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 74 places, 72 transitions, 159 flow [2020-10-16 11:50:55,641 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 74 places, 72 transitions, 159 flow [2020-10-16 11:50:55,701 INFO L129 PetriNetUnfolder]: 8/78 cut-off events. [2020-10-16 11:50:55,701 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-16 11:50:55,707 INFO L80 FinitePrefix]: Finished finitePrefix Result has 89 conditions, 78 events. 8/78 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 155 event pairs, 0 based on Foata normal form. 0/66 useless extension candidates. Maximal degree in co-relation 70. Up to 4 conditions per place. [2020-10-16 11:50:55,711 INFO L117 LiptonReduction]: Number of co-enabled transitions 2040 [2020-10-16 11:50:56,553 INFO L132 LiptonReduction]: Checked pairs total: 6263 [2020-10-16 11:50:56,554 INFO L134 LiptonReduction]: Total number of compositions: 44 [2020-10-16 11:50:56,561 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 42 places, 37 transitions, 89 flow [2020-10-16 11:50:56,766 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 2318 states. [2020-10-16 11:50:56,768 INFO L276 IsEmpty]: Start isEmpty. Operand 2318 states. [2020-10-16 11:50:56,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-10-16 11:50:56,776 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 11:50:56,777 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2020-10-16 11:50:56,777 INFO L429 AbstractCegarLoop]: === Iteration 1 === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr3Err0ASSERT_VIOLATIONERROR_FUNCTION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr3Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 11:50:56,783 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 11:50:56,784 INFO L82 PathProgramCache]: Analyzing trace with hash -830430992, now seen corresponding path program 1 times [2020-10-16 11:50:56,794 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 11:50:56,795 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [84095476] [2020-10-16 11:50:56,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 11:50:56,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 11:50:57,057 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 11:50:57,058 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [84095476] [2020-10-16 11:50:57,059 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 11:50:57,060 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-16 11:50:57,060 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [587387246] [2020-10-16 11:50:57,064 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-16 11:50:57,064 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 11:50:57,076 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-16 11:50:57,077 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 11:50:57,079 INFO L87 Difference]: Start difference. First operand 2318 states. Second operand 3 states. [2020-10-16 11:50:57,170 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 11:50:57,171 INFO L93 Difference]: Finished difference Result 1442 states and 5141 transitions. [2020-10-16 11:50:57,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-16 11:50:57,174 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 7 [2020-10-16 11:50:57,175 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 11:50:57,220 INFO L225 Difference]: With dead ends: 1442 [2020-10-16 11:50:57,220 INFO L226 Difference]: Without dead ends: 1442 [2020-10-16 11:50:57,223 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 11:50:57,274 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1442 states. [2020-10-16 11:50:57,376 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1442 to 1442. [2020-10-16 11:50:57,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1442 states. [2020-10-16 11:50:57,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1442 states to 1442 states and 5141 transitions. [2020-10-16 11:50:57,389 INFO L78 Accepts]: Start accepts. Automaton has 1442 states and 5141 transitions. Word has length 7 [2020-10-16 11:50:57,389 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 11:50:57,389 INFO L481 AbstractCegarLoop]: Abstraction has 1442 states and 5141 transitions. [2020-10-16 11:50:57,390 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-16 11:50:57,390 INFO L276 IsEmpty]: Start isEmpty. Operand 1442 states and 5141 transitions. [2020-10-16 11:50:57,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-10-16 11:50:57,391 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 11:50:57,392 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 11:50:57,392 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-16 11:50:57,392 INFO L429 AbstractCegarLoop]: === Iteration 2 === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr3Err0ASSERT_VIOLATIONERROR_FUNCTION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr3Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 11:50:57,392 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 11:50:57,393 INFO L82 PathProgramCache]: Analyzing trace with hash 2119981931, now seen corresponding path program 1 times [2020-10-16 11:50:57,393 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 11:50:57,393 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1813131390] [2020-10-16 11:50:57,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 11:50:57,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 11:50:57,482 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 11:50:57,482 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1813131390] [2020-10-16 11:50:57,483 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 11:50:57,483 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-16 11:50:57,483 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1105030085] [2020-10-16 11:50:57,485 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-16 11:50:57,485 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 11:50:57,485 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-16 11:50:57,486 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 11:50:57,486 INFO L87 Difference]: Start difference. First operand 1442 states and 5141 transitions. Second operand 3 states. [2020-10-16 11:50:57,511 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 11:50:57,511 INFO L93 Difference]: Finished difference Result 530 states and 1360 transitions. [2020-10-16 11:50:57,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-16 11:50:57,512 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 9 [2020-10-16 11:50:57,512 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 11:50:57,515 INFO L225 Difference]: With dead ends: 530 [2020-10-16 11:50:57,515 INFO L226 Difference]: Without dead ends: 530 [2020-10-16 11:50:57,516 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 11:50:57,519 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 530 states. [2020-10-16 11:50:57,530 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 530 to 530. [2020-10-16 11:50:57,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 530 states. [2020-10-16 11:50:57,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 530 states to 530 states and 1360 transitions. [2020-10-16 11:50:57,533 INFO L78 Accepts]: Start accepts. Automaton has 530 states and 1360 transitions. Word has length 9 [2020-10-16 11:50:57,533 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 11:50:57,533 INFO L481 AbstractCegarLoop]: Abstraction has 530 states and 1360 transitions. [2020-10-16 11:50:57,533 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-16 11:50:57,534 INFO L276 IsEmpty]: Start isEmpty. Operand 530 states and 1360 transitions. [2020-10-16 11:50:57,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-10-16 11:50:57,535 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 11:50:57,535 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 11:50:57,535 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-16 11:50:57,536 INFO L429 AbstractCegarLoop]: === Iteration 3 === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr3Err0ASSERT_VIOLATIONERROR_FUNCTION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr3Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 11:50:57,536 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 11:50:57,536 INFO L82 PathProgramCache]: Analyzing trace with hash -1060182742, now seen corresponding path program 1 times [2020-10-16 11:50:57,536 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 11:50:57,536 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1093102311] [2020-10-16 11:50:57,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 11:50:57,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-16 11:50:57,554 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-16 11:50:57,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-16 11:50:57,565 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-16 11:50:57,607 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-16 11:50:57,607 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-16 11:50:57,608 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-16 11:50:57,610 WARN L371 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2020-10-16 11:50:57,611 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2020-10-16 11:50:57,636 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:50:57,636 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:50:57,636 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:50:57,636 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:50:57,638 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:50:57,639 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:50:57,640 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:50:57,640 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:50:57,640 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:50:57,641 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:50:57,641 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:50:57,641 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:50:57,641 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:50:57,641 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:50:57,642 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:50:57,642 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:50:57,644 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:50:57,644 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:50:57,645 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:50:57,645 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:50:57,645 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:50:57,646 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:50:57,646 WARN L313 ript$VariableManager]: TermVariabe thr3Thread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:50:57,646 WARN L313 ript$VariableManager]: TermVariabe thr3Thread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:50:57,646 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:50:57,646 WARN L313 ript$VariableManager]: TermVariabe thr3Thread1of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:50:57,646 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of2ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:50:57,647 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of2ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:50:57,647 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of2ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:50:57,647 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of2ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:50:57,647 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of2ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:50:57,647 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:50:57,647 WARN L313 ript$VariableManager]: TermVariabe thr3Thread1of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:50:57,648 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:50:57,648 WARN L313 ript$VariableManager]: TermVariabe thr3Thread1of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:50:57,649 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:50:57,649 WARN L313 ript$VariableManager]: TermVariabe thr3Thread1of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:50:57,649 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:50:57,650 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:50:57,651 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread2of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:50:57,651 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread2of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:50:57,651 WARN L313 ript$VariableManager]: TermVariabe thr3Thread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:50:57,652 WARN L313 ript$VariableManager]: TermVariabe thr3Thread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:50:57,652 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread2of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:50:57,652 WARN L313 ript$VariableManager]: TermVariabe thr3Thread2of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:50:57,652 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread2of2ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:50:57,652 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread2of2ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:50:57,653 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread2of2ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:50:57,653 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread2of2ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:50:57,653 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread2of2ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:50:57,653 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread2of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:50:57,653 WARN L313 ript$VariableManager]: TermVariabe thr3Thread2of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:50:57,654 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread2of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:50:57,654 WARN L313 ript$VariableManager]: TermVariabe thr3Thread2of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:50:57,654 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread2of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:50:57,654 WARN L313 ript$VariableManager]: TermVariabe thr3Thread2of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:50:57,654 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:50:57,654 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:50:57,658 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:50:57,658 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:50:57,659 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:50:57,659 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:50:57,659 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:50:57,659 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:50:57,659 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:50:57,659 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:50:57,660 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:50:57,660 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:50:57,662 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:50:57,663 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:50:57,663 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:50:57,663 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:50:57,663 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:50:57,663 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:50:57,664 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:50:57,664 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:50:57,664 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:50:57,664 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:50:57,665 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of2ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:50:57,665 WARN L313 ript$VariableManager]: TermVariabe thr3Thread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:50:57,665 WARN L313 ript$VariableManager]: TermVariabe thr3Thread1of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:50:57,665 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:50:57,665 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:50:57,665 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:50:57,666 WARN L313 ript$VariableManager]: TermVariabe thr3Thread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:50:57,667 WARN L313 ript$VariableManager]: TermVariabe thr3Thread2of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:50:57,667 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:50:57,668 WARN L313 ript$VariableManager]: TermVariabe thr3Thread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:50:57,668 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread2of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:50:57,668 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:50:57,668 WARN L313 ript$VariableManager]: TermVariabe thr3Thread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:50:57,668 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread2of2ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:50:57,670 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:50:57,670 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:50:57,670 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:50:57,670 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:50:57,671 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:50:57,671 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:50:57,672 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:50:57,672 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:50:57,672 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:50:57,673 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:50:57,673 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:50:57,673 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:50:57,674 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:50:57,674 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:50:57,675 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:50:57,675 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:50:57,676 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:50:57,677 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:50:57,678 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:50:57,678 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:50:57,679 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:50:57,679 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:50:57,679 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:50:57,679 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:50:57,680 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2020-10-16 11:50:57,681 INFO L253 AbstractCegarLoop]: Starting to check reachability of 9 error locations. [2020-10-16 11:50:57,681 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-16 11:50:57,681 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-16 11:50:57,681 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-16 11:50:57,681 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-16 11:50:57,681 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-16 11:50:57,682 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-16 11:50:57,682 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-16 11:50:57,682 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-16 11:50:57,684 INFO L137 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2020-10-16 11:50:57,684 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 119 places, 117 transitions, 270 flow [2020-10-16 11:50:57,685 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 119 places, 117 transitions, 270 flow [2020-10-16 11:50:57,685 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 119 places, 117 transitions, 270 flow [2020-10-16 11:50:57,726 INFO L129 PetriNetUnfolder]: 12/110 cut-off events. [2020-10-16 11:50:57,726 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2020-10-16 11:50:57,729 INFO L80 FinitePrefix]: Finished finitePrefix Result has 128 conditions, 110 events. 12/110 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 278 event pairs, 0 based on Foata normal form. 0/92 useless extension candidates. Maximal degree in co-relation 121. Up to 6 conditions per place. [2020-10-16 11:50:57,734 INFO L117 LiptonReduction]: Number of co-enabled transitions 4412 [2020-10-16 11:50:59,148 INFO L132 LiptonReduction]: Checked pairs total: 17168 [2020-10-16 11:50:59,148 INFO L134 LiptonReduction]: Total number of compositions: 73 [2020-10-16 11:50:59,149 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 72 places, 66 transitions, 168 flow [2020-10-16 11:51:06,111 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 43700 states. [2020-10-16 11:51:06,112 INFO L276 IsEmpty]: Start isEmpty. Operand 43700 states. [2020-10-16 11:51:06,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-10-16 11:51:06,113 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 11:51:06,113 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 11:51:06,113 INFO L429 AbstractCegarLoop]: === Iteration 1 === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr3Err0ASSERT_VIOLATIONERROR_FUNCTION, thr3Err0ASSERT_VIOLATIONERROR_FUNCTION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr3Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 11:51:06,113 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 11:51:06,113 INFO L82 PathProgramCache]: Analyzing trace with hash -47883763, now seen corresponding path program 1 times [2020-10-16 11:51:06,114 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 11:51:06,114 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1508465598] [2020-10-16 11:51:06,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 11:51:06,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 11:51:06,152 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 11:51:06,153 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1508465598] [2020-10-16 11:51:06,153 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 11:51:06,153 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-16 11:51:06,153 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [726719333] [2020-10-16 11:51:06,154 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-16 11:51:06,154 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 11:51:06,154 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-16 11:51:06,154 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 11:51:06,154 INFO L87 Difference]: Start difference. First operand 43700 states. Second operand 3 states. [2020-10-16 11:51:07,936 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 11:51:07,936 INFO L93 Difference]: Finished difference Result 48770 states and 223646 transitions. [2020-10-16 11:51:07,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-16 11:51:07,937 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 8 [2020-10-16 11:51:07,937 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 11:51:08,327 INFO L225 Difference]: With dead ends: 48770 [2020-10-16 11:51:08,327 INFO L226 Difference]: Without dead ends: 48770 [2020-10-16 11:51:08,328 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 11:51:09,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48770 states. [2020-10-16 11:51:12,361 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48770 to 46202. [2020-10-16 11:51:12,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 46202 states. [2020-10-16 11:51:12,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46202 states to 46202 states and 215494 transitions. [2020-10-16 11:51:12,652 INFO L78 Accepts]: Start accepts. Automaton has 46202 states and 215494 transitions. Word has length 8 [2020-10-16 11:51:12,652 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 11:51:12,652 INFO L481 AbstractCegarLoop]: Abstraction has 46202 states and 215494 transitions. [2020-10-16 11:51:12,652 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-16 11:51:12,652 INFO L276 IsEmpty]: Start isEmpty. Operand 46202 states and 215494 transitions. [2020-10-16 11:51:12,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-10-16 11:51:12,653 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 11:51:12,653 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 11:51:12,656 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-16 11:51:12,656 INFO L429 AbstractCegarLoop]: === Iteration 2 === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr3Err0ASSERT_VIOLATIONERROR_FUNCTION, thr3Err0ASSERT_VIOLATIONERROR_FUNCTION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr3Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 11:51:12,657 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 11:51:12,657 INFO L82 PathProgramCache]: Analyzing trace with hash 1228352924, now seen corresponding path program 1 times [2020-10-16 11:51:12,657 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 11:51:12,657 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [983347970] [2020-10-16 11:51:12,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 11:51:12,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 11:51:12,703 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 11:51:12,704 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [983347970] [2020-10-16 11:51:12,704 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 11:51:12,704 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-16 11:51:12,705 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1690187026] [2020-10-16 11:51:12,705 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-16 11:51:12,706 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 11:51:12,706 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-16 11:51:12,706 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 11:51:12,706 INFO L87 Difference]: Start difference. First operand 46202 states and 215494 transitions. Second operand 3 states. [2020-10-16 11:51:12,812 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 11:51:12,812 INFO L93 Difference]: Finished difference Result 4348 states and 11776 transitions. [2020-10-16 11:51:12,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-16 11:51:12,813 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 10 [2020-10-16 11:51:12,813 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 11:51:12,830 INFO L225 Difference]: With dead ends: 4348 [2020-10-16 11:51:12,831 INFO L226 Difference]: Without dead ends: 4348 [2020-10-16 11:51:12,831 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 11:51:12,849 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4348 states. [2020-10-16 11:51:12,907 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4348 to 3674. [2020-10-16 11:51:12,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3674 states. [2020-10-16 11:51:12,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3674 states to 3674 states and 10163 transitions. [2020-10-16 11:51:12,918 INFO L78 Accepts]: Start accepts. Automaton has 3674 states and 10163 transitions. Word has length 10 [2020-10-16 11:51:12,918 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 11:51:12,919 INFO L481 AbstractCegarLoop]: Abstraction has 3674 states and 10163 transitions. [2020-10-16 11:51:12,919 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-16 11:51:12,919 INFO L276 IsEmpty]: Start isEmpty. Operand 3674 states and 10163 transitions. [2020-10-16 11:51:12,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-10-16 11:51:12,920 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 11:51:12,920 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 11:51:12,921 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-16 11:51:12,921 INFO L429 AbstractCegarLoop]: === Iteration 3 === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr3Err0ASSERT_VIOLATIONERROR_FUNCTION, thr3Err0ASSERT_VIOLATIONERROR_FUNCTION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr3Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 11:51:12,921 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 11:51:12,921 INFO L82 PathProgramCache]: Analyzing trace with hash -798142369, now seen corresponding path program 1 times [2020-10-16 11:51:12,922 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 11:51:12,922 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1024280426] [2020-10-16 11:51:12,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 11:51:12,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 11:51:12,957 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 11:51:12,957 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1024280426] [2020-10-16 11:51:12,957 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 11:51:12,958 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-16 11:51:12,958 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1113124341] [2020-10-16 11:51:12,958 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-16 11:51:12,959 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 11:51:12,959 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-16 11:51:12,959 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-16 11:51:12,959 INFO L87 Difference]: Start difference. First operand 3674 states and 10163 transitions. Second operand 4 states. [2020-10-16 11:51:13,048 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 11:51:13,049 INFO L93 Difference]: Finished difference Result 5680 states and 15586 transitions. [2020-10-16 11:51:13,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-16 11:51:13,049 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 12 [2020-10-16 11:51:13,049 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 11:51:13,070 INFO L225 Difference]: With dead ends: 5680 [2020-10-16 11:51:13,070 INFO L226 Difference]: Without dead ends: 5680 [2020-10-16 11:51:13,071 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-16 11:51:13,092 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5680 states. [2020-10-16 11:51:13,185 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5680 to 4378. [2020-10-16 11:51:13,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4378 states. [2020-10-16 11:51:13,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4378 states to 4378 states and 12221 transitions. [2020-10-16 11:51:13,204 INFO L78 Accepts]: Start accepts. Automaton has 4378 states and 12221 transitions. Word has length 12 [2020-10-16 11:51:13,204 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 11:51:13,204 INFO L481 AbstractCegarLoop]: Abstraction has 4378 states and 12221 transitions. [2020-10-16 11:51:13,204 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-16 11:51:13,204 INFO L276 IsEmpty]: Start isEmpty. Operand 4378 states and 12221 transitions. [2020-10-16 11:51:13,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-10-16 11:51:13,206 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 11:51:13,206 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 11:51:13,207 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-16 11:51:13,207 INFO L429 AbstractCegarLoop]: === Iteration 4 === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr3Err0ASSERT_VIOLATIONERROR_FUNCTION, thr3Err0ASSERT_VIOLATIONERROR_FUNCTION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr3Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 11:51:13,207 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 11:51:13,207 INFO L82 PathProgramCache]: Analyzing trace with hash 1352248639, now seen corresponding path program 1 times [2020-10-16 11:51:13,208 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 11:51:13,208 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [974531569] [2020-10-16 11:51:13,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 11:51:13,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 11:51:13,309 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 11:51:13,310 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [974531569] [2020-10-16 11:51:13,310 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 11:51:13,310 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-16 11:51:13,310 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [625834914] [2020-10-16 11:51:13,311 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-16 11:51:13,311 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 11:51:13,311 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-16 11:51:13,311 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 11:51:13,312 INFO L87 Difference]: Start difference. First operand 4378 states and 12221 transitions. Second operand 3 states. [2020-10-16 11:51:13,353 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 11:51:13,354 INFO L93 Difference]: Finished difference Result 4324 states and 11457 transitions. [2020-10-16 11:51:13,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-16 11:51:13,354 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 14 [2020-10-16 11:51:13,355 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 11:51:13,368 INFO L225 Difference]: With dead ends: 4324 [2020-10-16 11:51:13,368 INFO L226 Difference]: Without dead ends: 4324 [2020-10-16 11:51:13,369 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 11:51:13,384 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4324 states. [2020-10-16 11:51:13,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4324 to 4104. [2020-10-16 11:51:13,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4104 states. [2020-10-16 11:51:13,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4104 states to 4104 states and 11081 transitions. [2020-10-16 11:51:13,455 INFO L78 Accepts]: Start accepts. Automaton has 4104 states and 11081 transitions. Word has length 14 [2020-10-16 11:51:13,456 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 11:51:13,457 INFO L481 AbstractCegarLoop]: Abstraction has 4104 states and 11081 transitions. [2020-10-16 11:51:13,457 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-16 11:51:13,457 INFO L276 IsEmpty]: Start isEmpty. Operand 4104 states and 11081 transitions. [2020-10-16 11:51:13,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-10-16 11:51:13,459 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 11:51:13,459 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 11:51:13,459 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-16 11:51:13,459 INFO L429 AbstractCegarLoop]: === Iteration 5 === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr3Err0ASSERT_VIOLATIONERROR_FUNCTION, thr3Err0ASSERT_VIOLATIONERROR_FUNCTION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr3Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 11:51:13,459 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 11:51:13,460 INFO L82 PathProgramCache]: Analyzing trace with hash 197159706, now seen corresponding path program 1 times [2020-10-16 11:51:13,460 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 11:51:13,460 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2007012228] [2020-10-16 11:51:13,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 11:51:13,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-16 11:51:13,491 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-16 11:51:13,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-16 11:51:13,503 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-16 11:51:13,513 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-16 11:51:13,514 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-16 11:51:13,514 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-16 11:51:13,515 WARN L371 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2020-10-16 11:51:13,516 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2020-10-16 11:51:13,535 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:51:13,535 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:51:13,535 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:51:13,536 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:51:13,536 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:51:13,536 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:51:13,536 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:51:13,536 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:51:13,537 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:51:13,537 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:51:13,538 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:51:13,538 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:51:13,538 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:51:13,538 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:51:13,538 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:51:13,539 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:51:13,539 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:51:13,539 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:51:13,539 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:51:13,539 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:51:13,540 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:51:13,540 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:51:13,540 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:51:13,540 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:51:13,540 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:51:13,540 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:51:13,541 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:51:13,541 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:51:13,541 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:51:13,541 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:51:13,542 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread3of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:51:13,542 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread3of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:51:13,542 WARN L313 ript$VariableManager]: TermVariabe thr3Thread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:51:13,542 WARN L313 ript$VariableManager]: TermVariabe thr3Thread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:51:13,542 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread3of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:51:13,542 WARN L313 ript$VariableManager]: TermVariabe thr3Thread3of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:51:13,543 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread3of3ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:51:13,543 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread3of3ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:51:13,543 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread3of3ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:51:13,543 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread3of3ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:51:13,543 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread3of3ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:51:13,543 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread3of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:51:13,544 WARN L313 ript$VariableManager]: TermVariabe thr3Thread3of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:51:13,544 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread3of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:51:13,544 WARN L313 ript$VariableManager]: TermVariabe thr3Thread3of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:51:13,544 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread3of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:51:13,544 WARN L313 ript$VariableManager]: TermVariabe thr3Thread3of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:51:13,545 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:51:13,545 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:51:13,545 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread2of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:51:13,546 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread2of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:51:13,546 WARN L313 ript$VariableManager]: TermVariabe thr3Thread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:51:13,546 WARN L313 ript$VariableManager]: TermVariabe thr3Thread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:51:13,546 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread2of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:51:13,546 WARN L313 ript$VariableManager]: TermVariabe thr3Thread2of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:51:13,546 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread2of3ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:51:13,547 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread2of3ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:51:13,547 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread2of3ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:51:13,547 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread2of3ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:51:13,547 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread2of3ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:51:13,547 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread2of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:51:13,547 WARN L313 ript$VariableManager]: TermVariabe thr3Thread2of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:51:13,548 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread2of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:51:13,548 WARN L313 ript$VariableManager]: TermVariabe thr3Thread2of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:51:13,548 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread2of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:51:13,548 WARN L313 ript$VariableManager]: TermVariabe thr3Thread2of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:51:13,548 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:51:13,548 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:51:13,549 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:51:13,549 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:51:13,549 WARN L313 ript$VariableManager]: TermVariabe thr3Thread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:51:13,549 WARN L313 ript$VariableManager]: TermVariabe thr3Thread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:51:13,549 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:51:13,550 WARN L313 ript$VariableManager]: TermVariabe thr3Thread1of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:51:13,550 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of3ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:51:13,550 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of3ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:51:13,550 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of3ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:51:13,550 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of3ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:51:13,550 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of3ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:51:13,551 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:51:13,551 WARN L313 ript$VariableManager]: TermVariabe thr3Thread1of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:51:13,551 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:51:13,551 WARN L313 ript$VariableManager]: TermVariabe thr3Thread1of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:51:13,551 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:51:13,551 WARN L313 ript$VariableManager]: TermVariabe thr3Thread1of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:51:13,552 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:51:13,552 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:51:13,552 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:51:13,552 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:51:13,552 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:51:13,553 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:51:13,553 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:51:13,553 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:51:13,553 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:51:13,553 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:51:13,554 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:51:13,554 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:51:13,554 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:51:13,554 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:51:13,554 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:51:13,554 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:51:13,554 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:51:13,555 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:51:13,555 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:51:13,555 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:51:13,555 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:51:13,555 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:51:13,555 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:51:13,556 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:51:13,556 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:51:13,556 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:51:13,556 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:51:13,556 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:51:13,556 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:51:13,557 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:51:13,557 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:51:13,557 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:51:13,557 WARN L313 ript$VariableManager]: TermVariabe thr3Thread1of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:51:13,558 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:51:13,558 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of3ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:51:13,558 WARN L313 ript$VariableManager]: TermVariabe thr3Thread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:51:13,558 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:51:13,559 WARN L313 ript$VariableManager]: TermVariabe thr3Thread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:51:13,559 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:51:13,564 WARN L313 ript$VariableManager]: TermVariabe thr3Thread2of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:51:13,565 WARN L313 ript$VariableManager]: TermVariabe thr3Thread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:51:13,565 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:51:13,565 WARN L313 ript$VariableManager]: TermVariabe thr3Thread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:51:13,565 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:51:13,565 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread2of3ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:51:13,566 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread2of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:51:13,570 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:51:13,570 WARN L313 ript$VariableManager]: TermVariabe thr3Thread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:51:13,571 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread3of3ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:51:13,571 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread3of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:51:13,571 WARN L313 ript$VariableManager]: TermVariabe |thr3Thread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:51:13,571 WARN L313 ript$VariableManager]: TermVariabe thr3Thread3of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:51:13,571 WARN L313 ript$VariableManager]: TermVariabe thr3Thread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:51:13,572 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:51:13,572 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:51:13,572 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:51:13,573 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:51:13,573 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:51:13,573 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:51:13,574 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:51:13,574 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:51:13,574 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:51:13,574 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:51:13,574 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:51:13,575 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:51:13,579 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:51:13,579 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:51:13,579 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:51:13,579 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:51:13,580 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:51:13,580 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:51:13,583 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:51:13,584 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:51:13,584 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:51:13,584 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:51:13,584 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:51:13,584 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:51:13,586 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:51:13,586 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:51:13,586 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:51:13,586 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:51:13,586 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:51:13,586 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:51:13,589 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:51:13,589 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:51:13,589 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:51:13,589 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:51:13,589 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:51:13,589 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 11:51:13,591 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2020-10-16 11:51:13,591 INFO L253 AbstractCegarLoop]: Starting to check reachability of 11 error locations. [2020-10-16 11:51:13,591 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-16 11:51:13,591 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-16 11:51:13,591 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-16 11:51:13,591 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-16 11:51:13,592 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-16 11:51:13,592 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-16 11:51:13,592 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-16 11:51:13,592 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-16 11:51:13,598 INFO L137 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2020-10-16 11:51:13,598 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 164 places, 162 transitions, 387 flow [2020-10-16 11:51:13,598 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 164 places, 162 transitions, 387 flow [2020-10-16 11:51:13,598 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 164 places, 162 transitions, 387 flow [2020-10-16 11:51:14,223 INFO L129 PetriNetUnfolder]: 16/142 cut-off events. [2020-10-16 11:51:14,223 INFO L130 PetriNetUnfolder]: For 7/7 co-relation queries the response was YES. [2020-10-16 11:51:14,225 INFO L80 FinitePrefix]: Finished finitePrefix Result has 168 conditions, 142 events. 16/142 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 402 event pairs, 0 based on Foata normal form. 0/118 useless extension candidates. Maximal degree in co-relation 158. Up to 8 conditions per place. [2020-10-16 11:51:14,238 INFO L117 LiptonReduction]: Number of co-enabled transitions 7796 [2020-10-16 11:51:15,919 INFO L132 LiptonReduction]: Checked pairs total: 33379 [2020-10-16 11:51:15,920 INFO L134 LiptonReduction]: Total number of compositions: 102 [2020-10-16 11:51:15,920 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 94 places, 84 transitions, 231 flow Received shutdown request... [2020-10-16 11:55:13,309 WARN L546 AbstractCegarLoop]: Verification canceled [2020-10-16 11:55:13,311 WARN L235 ceAbstractionStarter]: Timeout [2020-10-16 11:55:13,312 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.10 11:55:13 BasicIcfg [2020-10-16 11:55:13,312 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-16 11:55:13,315 INFO L168 Benchmark]: Toolchain (without parser) took 259346.80 ms. Allocated memory was 140.0 MB in the beginning and 3.1 GB in the end (delta: 3.0 GB). Free memory was 101.4 MB in the beginning and 876.0 MB in the end (delta: -774.6 MB). Peak memory consumption was 2.6 GB. Max. memory is 7.1 GB. [2020-10-16 11:55:13,316 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 140.0 MB. Free memory was 121.5 MB in the beginning and 121.3 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2020-10-16 11:55:13,317 INFO L168 Benchmark]: CACSL2BoogieTranslator took 697.73 ms. Allocated memory was 140.0 MB in the beginning and 202.9 MB in the end (delta: 62.9 MB). Free memory was 101.0 MB in the beginning and 160.9 MB in the end (delta: -59.9 MB). Peak memory consumption was 24.2 MB. Max. memory is 7.1 GB. [2020-10-16 11:55:13,318 INFO L168 Benchmark]: Boogie Procedure Inliner took 53.51 ms. Allocated memory is still 202.9 MB. Free memory was 160.9 MB in the beginning and 159.0 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. [2020-10-16 11:55:13,319 INFO L168 Benchmark]: Boogie Preprocessor took 30.66 ms. Allocated memory is still 202.9 MB. Free memory was 159.0 MB in the beginning and 157.0 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. [2020-10-16 11:55:13,320 INFO L168 Benchmark]: RCFGBuilder took 728.57 ms. Allocated memory is still 202.9 MB. Free memory was 157.0 MB in the beginning and 107.1 MB in the end (delta: 49.9 MB). Peak memory consumption was 49.9 MB. Max. memory is 7.1 GB. [2020-10-16 11:55:13,321 INFO L168 Benchmark]: TraceAbstraction took 257830.81 ms. Allocated memory was 202.9 MB in the beginning and 3.1 GB in the end (delta: 2.9 GB). Free memory was 106.5 MB in the beginning and 876.0 MB in the end (delta: -769.5 MB). Peak memory consumption was 2.6 GB. Max. memory is 7.1 GB. [2020-10-16 11:55:13,326 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 140.0 MB. Free memory was 121.5 MB in the beginning and 121.3 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 697.73 ms. Allocated memory was 140.0 MB in the beginning and 202.9 MB in the end (delta: 62.9 MB). Free memory was 101.0 MB in the beginning and 160.9 MB in the end (delta: -59.9 MB). Peak memory consumption was 24.2 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 53.51 ms. Allocated memory is still 202.9 MB. Free memory was 160.9 MB in the beginning and 159.0 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 30.66 ms. Allocated memory is still 202.9 MB. Free memory was 159.0 MB in the beginning and 157.0 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 728.57 ms. Allocated memory is still 202.9 MB. Free memory was 157.0 MB in the beginning and 107.1 MB in the end (delta: 49.9 MB). Peak memory consumption was 49.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 257830.81 ms. Allocated memory was 202.9 MB in the beginning and 3.1 GB in the end (delta: 2.9 GB). Free memory was 106.5 MB in the beginning and 876.0 MB in the end (delta: -769.5 MB). Peak memory consumption was 2.6 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 887 VarBasedMoverChecksPositive, 34 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 126 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 0.9s, 74 PlacesBefore, 42 PlacesAfterwards, 72 TransitionsBefore, 37 TransitionsAfterwards, 2040 CoEnabledTransitionPairs, 5 FixpointIterations, 11 TrivialSequentialCompositions, 22 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 8 ConcurrentYvCompositions, 3 ChoiceCompositions, 44 TotalNumberOfCompositions, 6263 MoverChecksTotal - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 2128 VarBasedMoverChecksPositive, 72 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 499 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 1.4s, 119 PlacesBefore, 72 PlacesAfterwards, 117 TransitionsBefore, 66 TransitionsAfterwards, 4412 CoEnabledTransitionPairs, 4 FixpointIterations, 27 TrivialSequentialCompositions, 26 ConcurrentSequentialCompositions, 3 TrivialYvCompositions, 13 ConcurrentYvCompositions, 4 ChoiceCompositions, 73 TotalNumberOfCompositions, 17168 MoverChecksTotal - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 3375 VarBasedMoverChecksPositive, 82 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 524 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 2.3s, 164 PlacesBefore, 94 PlacesAfterwards, 162 TransitionsBefore, 84 TransitionsAfterwards, 7796 CoEnabledTransitionPairs, 5 FixpointIterations, 40 TrivialSequentialCompositions, 34 ConcurrentSequentialCompositions, 7 TrivialYvCompositions, 13 ConcurrentYvCompositions, 8 ChoiceCompositions, 102 TotalNumberOfCompositions, 33379 MoverChecksTotal - TimeoutResultAtElement [Line: 712]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 712). Cancelled while BasicCegarLoop was constructing initial abstraction,while PetriNet2FiniteAutomaton was constructing automaton for Petri net that has has 94 places, 84 transitions, 231 flow. Already constructed 325109 states. Currently 37138 states in worklist.. - TimeoutResultAtElement [Line: 705]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 705). Cancelled while BasicCegarLoop was constructing initial abstraction,while PetriNet2FiniteAutomaton was constructing automaton for Petri net that has has 94 places, 84 transitions, 231 flow. Already constructed 325109 states. Currently 37138 states in worklist.. - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 65 locations, 2 error locations. Started 3 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 257.5s, OverallIterations: 8, TraceHistogramMax: 3, AutomataDifference: 2.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 249.2s, HoareTripleCheckerStatistics: 312 SDtfs, 205 SDslu, 187 SDs, 0 SdLazy, 104 SolverSat, 46 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 15 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=46202occurred in iteration=1, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 4.7s AutomataMinimizationTime, 6 MinimizatonAttempts, 4764 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 84 NumberOfCodeBlocks, 84 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 54 ConstructedInterpolants, 0 QuantifiedInterpolants, 2450 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown