/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/mcr/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-McrAutomaton-WP.epf -i ../../../trunk/examples/svcomp/pthread-ext/01_inc.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c7e336b [2020-10-06 00:01:27,664 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-06 00:01:27,666 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-06 00:01:27,710 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-06 00:01:27,711 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-06 00:01:27,712 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-06 00:01:27,713 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-06 00:01:27,715 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-06 00:01:27,716 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-06 00:01:27,717 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-06 00:01:27,718 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-06 00:01:27,719 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-06 00:01:27,719 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-06 00:01:27,720 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-06 00:01:27,721 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-06 00:01:27,722 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-06 00:01:27,723 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-06 00:01:27,724 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-06 00:01:27,726 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-06 00:01:27,729 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-06 00:01:27,730 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-06 00:01:27,733 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-06 00:01:27,735 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-06 00:01:27,735 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-06 00:01:27,743 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-10-06 00:01:27,756 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-06 00:01:27,756 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-06 00:01:27,757 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-06 00:01:27,758 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/mcr/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-McrAutomaton-WP.epf [2020-10-06 00:01:27,796 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-06 00:01:27,797 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-06 00:01:27,798 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-06 00:01:27,798 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-06 00:01:27,798 INFO L138 SettingsManager]: * Use SBE=true [2020-10-06 00:01:27,798 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-06 00:01:27,799 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-06 00:01:27,799 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-06 00:01:27,799 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-06 00:01:27,799 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-06 00:01:27,799 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-06 00:01:27,800 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-06 00:01:27,800 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-06 00:01:27,800 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-06 00:01:27,800 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-06 00:01:27,800 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-06 00:01:27,801 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-06 00:01:27,801 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-06 00:01:27,801 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-06 00:01:27,801 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-06 00:01:27,801 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-06 00:01:27,802 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-06 00:01:27,802 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-06 00:01:27,802 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2020-10-06 00:01:27,802 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-06 00:01:27,803 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-06 00:01:27,803 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-06 00:01:27,803 INFO L138 SettingsManager]: * Override the interpolant automaton setting of the refinement strategy=true [2020-10-06 00:01:27,803 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2020-10-06 00:01:27,803 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-06 00:01:27,804 INFO L138 SettingsManager]: * Interpolant automaton=MCR [2020-10-06 00:01:28,110 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-06 00:01:28,122 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-06 00:01:28,125 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-06 00:01:28,127 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-06 00:01:28,127 INFO L275 PluginConnector]: CDTParser initialized [2020-10-06 00:01:28,128 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-ext/01_inc.i [2020-10-06 00:01:28,187 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f1c264884/12386a6497c34e6db00e1904b0e113fe/FLAG1faf07693 [2020-10-06 00:01:28,615 INFO L306 CDTParser]: Found 1 translation units. [2020-10-06 00:01:28,616 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/01_inc.i [2020-10-06 00:01:28,645 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f1c264884/12386a6497c34e6db00e1904b0e113fe/FLAG1faf07693 [2020-10-06 00:01:28,949 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f1c264884/12386a6497c34e6db00e1904b0e113fe [2020-10-06 00:01:28,958 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-06 00:01:28,960 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-06 00:01:28,961 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-06 00:01:28,961 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-06 00:01:28,964 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-06 00:01:28,965 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.10 12:01:28" (1/1) ... [2020-10-06 00:01:28,968 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d1388b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 12:01:28, skipping insertion in model container [2020-10-06 00:01:28,968 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.10 12:01:28" (1/1) ... [2020-10-06 00:01:28,976 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-06 00:01:29,018 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-06 00:01:29,420 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-06 00:01:29,436 INFO L203 MainTranslator]: Completed pre-run [2020-10-06 00:01:29,480 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-06 00:01:29,555 INFO L208 MainTranslator]: Completed translation [2020-10-06 00:01:29,556 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 12:01:29 WrapperNode [2020-10-06 00:01:29,556 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-06 00:01:29,557 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-06 00:01:29,557 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-06 00:01:29,557 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-06 00:01:29,566 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 12:01:29" (1/1) ... [2020-10-06 00:01:29,581 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 12:01:29" (1/1) ... [2020-10-06 00:01:29,601 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-06 00:01:29,601 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-06 00:01:29,601 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-06 00:01:29,601 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-06 00:01:29,608 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 12:01:29" (1/1) ... [2020-10-06 00:01:29,608 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 12:01:29" (1/1) ... [2020-10-06 00:01:29,612 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 12:01:29" (1/1) ... [2020-10-06 00:01:29,613 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 12:01:29" (1/1) ... [2020-10-06 00:01:29,618 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 12:01:29" (1/1) ... [2020-10-06 00:01:29,623 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 12:01:29" (1/1) ... [2020-10-06 00:01:29,624 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 12:01:29" (1/1) ... [2020-10-06 00:01:29,627 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-06 00:01:29,627 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-06 00:01:29,628 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-06 00:01:29,628 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-06 00:01:29,629 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 12:01:29" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-06 00:01:29,692 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2020-10-06 00:01:29,692 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2020-10-06 00:01:29,692 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-06 00:01:29,692 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-06 00:01:29,692 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-06 00:01:29,692 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-06 00:01:29,693 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-06 00:01:29,694 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-10-06 00:01:30,088 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-06 00:01:30,088 INFO L298 CfgBuilder]: Removed 5 assume(true) statements. [2020-10-06 00:01:30,091 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.10 12:01:30 BoogieIcfgContainer [2020-10-06 00:01:30,091 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-06 00:01:30,093 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-06 00:01:30,093 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-06 00:01:30,096 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-06 00:01:30,097 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.10 12:01:28" (1/3) ... [2020-10-06 00:01:30,098 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29dc8255 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.10 12:01:30, skipping insertion in model container [2020-10-06 00:01:30,098 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 12:01:29" (2/3) ... [2020-10-06 00:01:30,098 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29dc8255 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.10 12:01:30, skipping insertion in model container [2020-10-06 00:01:30,099 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.10 12:01:30" (3/3) ... [2020-10-06 00:01:30,101 INFO L109 eAbstractionObserver]: Analyzing ICFG 01_inc.i [2020-10-06 00:01:30,111 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-06 00:01:30,111 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-06 00:01:30,118 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-06 00:01:30,119 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-06 00:01:30,145 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:30,145 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:30,145 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:30,146 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:30,146 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:30,147 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:30,147 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:30,147 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:30,148 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:30,148 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:30,149 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:30,149 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:30,149 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:30,149 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:30,150 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:30,150 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:30,150 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:30,151 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:30,151 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:30,155 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:30,156 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:30,156 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:30,156 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:30,157 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:30,157 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:30,157 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:30,174 INFO L251 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-10-06 00:01:30,196 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-06 00:01:30,196 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-06 00:01:30,196 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-06 00:01:30,197 INFO L378 AbstractCegarLoop]: Backedges is MCR [2020-10-06 00:01:30,197 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-06 00:01:30,197 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-06 00:01:30,197 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-06 00:01:30,197 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-06 00:01:30,211 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 35 places, 35 transitions, 75 flow [2020-10-06 00:01:30,213 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 35 places, 35 transitions, 75 flow [2020-10-06 00:01:30,253 INFO L129 PetriNetUnfolder]: 4/43 cut-off events. [2020-10-06 00:01:30,255 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-06 00:01:30,260 INFO L80 FinitePrefix]: Finished finitePrefix Result has 48 conditions, 43 events. 4/43 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 62 event pairs, 0 based on Foata normal form. 0/36 useless extension candidates. Maximal degree in co-relation 25. Up to 4 conditions per place. [2020-10-06 00:01:30,265 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 35 places, 35 transitions, 75 flow [2020-10-06 00:01:30,285 INFO L129 PetriNetUnfolder]: 4/43 cut-off events. [2020-10-06 00:01:30,285 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-06 00:01:30,286 INFO L80 FinitePrefix]: Finished finitePrefix Result has 48 conditions, 43 events. 4/43 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 62 event pairs, 0 based on Foata normal form. 0/36 useless extension candidates. Maximal degree in co-relation 25. Up to 4 conditions per place. [2020-10-06 00:01:30,288 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 320 [2020-10-06 00:01:30,291 INFO L182 etLargeBlockEncoding]: Variable Check. [2020-10-06 00:01:31,400 INFO L206 etLargeBlockEncoding]: Checked pairs total: 213 [2020-10-06 00:01:31,400 INFO L214 etLargeBlockEncoding]: Total number of compositions: 31 [2020-10-06 00:01:31,404 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 11 places, 8 transitions, 21 flow [2020-10-06 00:01:31,412 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 19 states. [2020-10-06 00:01:31,414 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states. [2020-10-06 00:01:31,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2020-10-06 00:01:31,420 INFO L414 BasicCegarLoop]: Found error trace [2020-10-06 00:01:31,421 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2020-10-06 00:01:31,421 INFO L427 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-10-06 00:01:31,426 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-06 00:01:31,427 INFO L82 PathProgramCache]: Analyzing trace with hash 7400622, now seen corresponding path program 1 times [2020-10-06 00:01:31,449 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-06 00:01:31,450 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [574001311] [2020-10-06 00:01:31,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-06 00:01:31,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-06 00:01:31,597 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-06 00:01:31,598 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [574001311] [2020-10-06 00:01:31,599 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-06 00:01:31,599 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-06 00:01:31,600 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1472625795] [2020-10-06 00:01:31,601 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-06 00:01:31,604 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-06 00:01:31,616 INFO L258 McrAutomatonBuilder]: Finished intersection with 5 states and 4 transitions. [2020-10-06 00:01:31,616 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-06 00:01:31,620 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-06 00:01:31,621 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-06 00:01:31,621 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-06 00:01:31,635 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-06 00:01:31,636 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-06 00:01:31,638 INFO L87 Difference]: Start difference. First operand 19 states. Second operand 2 states. [2020-10-06 00:01:31,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-06 00:01:31,641 INFO L93 Difference]: Finished difference Result 11 states and 13 transitions. [2020-10-06 00:01:31,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-06 00:01:31,642 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 4 [2020-10-06 00:01:31,642 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-06 00:01:31,649 INFO L225 Difference]: With dead ends: 11 [2020-10-06 00:01:31,650 INFO L226 Difference]: Without dead ends: 11 [2020-10-06 00:01:31,651 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-06 00:01:31,668 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states. [2020-10-06 00:01:31,678 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 11. [2020-10-06 00:01:31,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2020-10-06 00:01:31,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 13 transitions. [2020-10-06 00:01:31,681 INFO L78 Accepts]: Start accepts. Automaton has 11 states and 13 transitions. Word has length 4 [2020-10-06 00:01:31,681 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-06 00:01:31,681 INFO L479 AbstractCegarLoop]: Abstraction has 11 states and 13 transitions. [2020-10-06 00:01:31,681 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-06 00:01:31,681 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 13 transitions. [2020-10-06 00:01:31,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-10-06 00:01:31,682 INFO L414 BasicCegarLoop]: Found error trace [2020-10-06 00:01:31,682 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1] [2020-10-06 00:01:31,683 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-06 00:01:31,683 INFO L427 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-10-06 00:01:31,683 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-06 00:01:31,683 INFO L82 PathProgramCache]: Analyzing trace with hash -1478000843, now seen corresponding path program 1 times [2020-10-06 00:01:31,689 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-06 00:01:31,689 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1666287545] [2020-10-06 00:01:31,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-06 00:01:31,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-06 00:01:31,714 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-06 00:01:31,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-06 00:01:31,725 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-06 00:01:31,745 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-06 00:01:31,746 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-10-06 00:01:31,747 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-06 00:01:31,748 WARN L363 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2020-10-06 00:01:31,748 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2020-10-06 00:01:31,755 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:31,755 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:31,756 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:31,756 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:31,756 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:31,756 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:31,757 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:31,757 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:31,757 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:31,757 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:31,758 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:31,758 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:31,758 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:31,758 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:31,759 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:31,759 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:31,759 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:31,760 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:31,760 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:31,760 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:31,761 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:31,761 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:31,761 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:31,761 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:31,762 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:31,762 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:31,762 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:31,762 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:31,763 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:31,763 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:31,763 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:31,763 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:31,765 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:31,765 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:31,765 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:31,765 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:31,766 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:31,766 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:31,766 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:31,767 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:31,767 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:31,767 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:31,767 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:31,767 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:31,767 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:31,772 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:31,773 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:31,773 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:31,773 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:31,773 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:31,774 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:31,774 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:31,776 INFO L251 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2020-10-06 00:01:31,776 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-06 00:01:31,776 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-06 00:01:31,776 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-06 00:01:31,777 INFO L378 AbstractCegarLoop]: Backedges is MCR [2020-10-06 00:01:31,777 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-06 00:01:31,777 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-06 00:01:31,777 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-06 00:01:31,777 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-06 00:01:31,780 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 52 places, 52 transitions, 116 flow [2020-10-06 00:01:31,782 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 52 places, 52 transitions, 116 flow [2020-10-06 00:01:31,815 INFO L129 PetriNetUnfolder]: 7/69 cut-off events. [2020-10-06 00:01:31,815 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2020-10-06 00:01:31,817 INFO L80 FinitePrefix]: Finished finitePrefix Result has 79 conditions, 69 events. 7/69 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 166 event pairs, 0 based on Foata normal form. 0/57 useless extension candidates. Maximal degree in co-relation 44. Up to 6 conditions per place. [2020-10-06 00:01:31,820 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 52 places, 52 transitions, 116 flow [2020-10-06 00:01:31,843 INFO L129 PetriNetUnfolder]: 7/69 cut-off events. [2020-10-06 00:01:31,844 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2020-10-06 00:01:31,845 INFO L80 FinitePrefix]: Finished finitePrefix Result has 79 conditions, 69 events. 7/69 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 166 event pairs, 0 based on Foata normal form. 0/57 useless extension candidates. Maximal degree in co-relation 44. Up to 6 conditions per place. [2020-10-06 00:01:31,847 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 1184 [2020-10-06 00:01:31,847 INFO L182 etLargeBlockEncoding]: Variable Check. [2020-10-06 00:01:32,466 INFO L206 etLargeBlockEncoding]: Checked pairs total: 2956 [2020-10-06 00:01:32,466 INFO L214 etLargeBlockEncoding]: Total number of compositions: 31 [2020-10-06 00:01:32,466 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 28 places, 25 transitions, 62 flow [2020-10-06 00:01:32,492 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 445 states. [2020-10-06 00:01:32,492 INFO L276 IsEmpty]: Start isEmpty. Operand 445 states. [2020-10-06 00:01:32,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-10-06 00:01:32,495 INFO L414 BasicCegarLoop]: Found error trace [2020-10-06 00:01:32,495 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-06 00:01:32,495 INFO L427 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-06 00:01:32,495 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-06 00:01:32,496 INFO L82 PathProgramCache]: Analyzing trace with hash 1194994076, now seen corresponding path program 1 times [2020-10-06 00:01:32,497 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-06 00:01:32,497 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1377987668] [2020-10-06 00:01:32,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-06 00:01:32,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-06 00:01:32,658 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-06 00:01:32,659 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1377987668] [2020-10-06 00:01:32,659 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-06 00:01:32,659 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-06 00:01:32,660 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [900069131] [2020-10-06 00:01:32,660 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-06 00:01:32,661 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-06 00:01:32,663 INFO L258 McrAutomatonBuilder]: Finished intersection with 10 states and 9 transitions. [2020-10-06 00:01:32,664 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-06 00:01:32,664 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-06 00:01:32,664 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-06 00:01:32,665 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-06 00:01:32,665 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-06 00:01:32,665 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-06 00:01:32,665 INFO L87 Difference]: Start difference. First operand 445 states. Second operand 5 states. [2020-10-06 00:01:32,798 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-06 00:01:32,798 INFO L93 Difference]: Finished difference Result 420 states and 1023 transitions. [2020-10-06 00:01:32,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-06 00:01:32,799 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 9 [2020-10-06 00:01:32,799 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-06 00:01:32,810 INFO L225 Difference]: With dead ends: 420 [2020-10-06 00:01:32,810 INFO L226 Difference]: Without dead ends: 420 [2020-10-06 00:01:32,810 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-06 00:01:32,820 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 420 states. [2020-10-06 00:01:32,864 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 420 to 340. [2020-10-06 00:01:32,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 340 states. [2020-10-06 00:01:32,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 340 states and 855 transitions. [2020-10-06 00:01:32,868 INFO L78 Accepts]: Start accepts. Automaton has 340 states and 855 transitions. Word has length 9 [2020-10-06 00:01:32,868 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-06 00:01:32,868 INFO L479 AbstractCegarLoop]: Abstraction has 340 states and 855 transitions. [2020-10-06 00:01:32,868 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-06 00:01:32,869 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 855 transitions. [2020-10-06 00:01:32,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-10-06 00:01:32,870 INFO L414 BasicCegarLoop]: Found error trace [2020-10-06 00:01:32,870 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 1, 1, 1, 1] [2020-10-06 00:01:32,870 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-06 00:01:32,870 INFO L427 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-06 00:01:32,870 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-06 00:01:32,871 INFO L82 PathProgramCache]: Analyzing trace with hash -1335142672, now seen corresponding path program 1 times [2020-10-06 00:01:32,872 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-06 00:01:32,873 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1136367621] [2020-10-06 00:01:32,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-06 00:01:32,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-06 00:01:32,887 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-06 00:01:32,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-06 00:01:32,896 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-06 00:01:32,901 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-06 00:01:32,901 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-10-06 00:01:32,901 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-06 00:01:32,902 WARN L363 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2020-10-06 00:01:32,905 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2020-10-06 00:01:32,912 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:32,912 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:32,912 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:32,912 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:32,913 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:32,913 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:32,913 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:32,913 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:32,913 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:32,914 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:32,914 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:32,914 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:32,914 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:32,914 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:32,914 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:32,915 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:32,915 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:32,915 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:32,915 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:32,916 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:32,916 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:32,916 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:32,916 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:32,917 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:32,917 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:32,917 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:32,917 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:32,917 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:32,918 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:32,918 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:32,918 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:32,918 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:32,918 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:32,918 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:32,919 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:32,919 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:32,919 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:32,919 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:32,920 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:32,920 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:32,920 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:32,920 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:32,920 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:32,921 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:32,921 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:32,921 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:32,921 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:32,921 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:32,922 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:32,922 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:32,922 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:32,922 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:32,922 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:32,923 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:32,923 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:32,923 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:32,923 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:32,924 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:32,924 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:32,924 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:32,924 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:32,924 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:32,925 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:32,925 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:32,926 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:32,926 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:32,927 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:32,927 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:32,927 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:32,927 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:32,927 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:32,929 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:32,929 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:32,929 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:32,929 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:32,929 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:32,930 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:32,930 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:32,931 INFO L251 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-06 00:01:32,931 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-06 00:01:32,931 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-06 00:01:32,931 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-06 00:01:32,932 INFO L378 AbstractCegarLoop]: Backedges is MCR [2020-10-06 00:01:32,932 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-06 00:01:32,932 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-06 00:01:32,932 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-06 00:01:32,932 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-06 00:01:32,934 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 69 places, 69 transitions, 159 flow [2020-10-06 00:01:32,934 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 69 places, 69 transitions, 159 flow [2020-10-06 00:01:32,949 INFO L129 PetriNetUnfolder]: 10/95 cut-off events. [2020-10-06 00:01:32,949 INFO L130 PetriNetUnfolder]: For 7/7 co-relation queries the response was YES. [2020-10-06 00:01:32,950 INFO L80 FinitePrefix]: Finished finitePrefix Result has 111 conditions, 95 events. 10/95 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 251 event pairs, 0 based on Foata normal form. 0/78 useless extension candidates. Maximal degree in co-relation 73. Up to 8 conditions per place. [2020-10-06 00:01:32,954 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 69 places, 69 transitions, 159 flow [2020-10-06 00:01:32,966 INFO L129 PetriNetUnfolder]: 10/95 cut-off events. [2020-10-06 00:01:32,967 INFO L130 PetriNetUnfolder]: For 7/7 co-relation queries the response was YES. [2020-10-06 00:01:32,968 INFO L80 FinitePrefix]: Finished finitePrefix Result has 111 conditions, 95 events. 10/95 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 251 event pairs, 0 based on Foata normal form. 0/78 useless extension candidates. Maximal degree in co-relation 73. Up to 8 conditions per place. [2020-10-06 00:01:32,971 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 2592 [2020-10-06 00:01:32,971 INFO L182 etLargeBlockEncoding]: Variable Check. [2020-10-06 00:01:33,687 INFO L206 etLargeBlockEncoding]: Checked pairs total: 8320 [2020-10-06 00:01:33,687 INFO L214 etLargeBlockEncoding]: Total number of compositions: 39 [2020-10-06 00:01:33,687 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 39 places, 35 transitions, 91 flow [2020-10-06 00:01:33,920 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 4009 states. [2020-10-06 00:01:33,921 INFO L276 IsEmpty]: Start isEmpty. Operand 4009 states. [2020-10-06 00:01:33,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-10-06 00:01:33,922 INFO L414 BasicCegarLoop]: Found error trace [2020-10-06 00:01:33,922 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-06 00:01:33,922 INFO L427 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-06 00:01:33,923 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-06 00:01:33,923 INFO L82 PathProgramCache]: Analyzing trace with hash 680083894, now seen corresponding path program 1 times [2020-10-06 00:01:33,927 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-06 00:01:33,928 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1311537716] [2020-10-06 00:01:33,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-06 00:01:33,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-06 00:01:34,009 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-06 00:01:34,009 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1311537716] [2020-10-06 00:01:34,010 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-06 00:01:34,010 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-06 00:01:34,010 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1015547927] [2020-10-06 00:01:34,010 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-06 00:01:34,011 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-06 00:01:34,012 INFO L258 McrAutomatonBuilder]: Finished intersection with 10 states and 9 transitions. [2020-10-06 00:01:34,012 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-06 00:01:34,013 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-06 00:01:34,013 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-06 00:01:34,013 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-06 00:01:34,013 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-06 00:01:34,014 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-06 00:01:34,014 INFO L87 Difference]: Start difference. First operand 4009 states. Second operand 5 states. [2020-10-06 00:01:34,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-06 00:01:34,205 INFO L93 Difference]: Finished difference Result 4685 states and 16109 transitions. [2020-10-06 00:01:34,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-06 00:01:34,206 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 9 [2020-10-06 00:01:34,206 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-06 00:01:34,252 INFO L225 Difference]: With dead ends: 4685 [2020-10-06 00:01:34,252 INFO L226 Difference]: Without dead ends: 4685 [2020-10-06 00:01:34,253 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-06 00:01:34,300 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4685 states. [2020-10-06 00:01:34,438 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4685 to 3505. [2020-10-06 00:01:34,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3505 states. [2020-10-06 00:01:34,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3505 states to 3505 states and 12416 transitions. [2020-10-06 00:01:34,466 INFO L78 Accepts]: Start accepts. Automaton has 3505 states and 12416 transitions. Word has length 9 [2020-10-06 00:01:34,467 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-06 00:01:34,467 INFO L479 AbstractCegarLoop]: Abstraction has 3505 states and 12416 transitions. [2020-10-06 00:01:34,467 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-06 00:01:34,467 INFO L276 IsEmpty]: Start isEmpty. Operand 3505 states and 12416 transitions. [2020-10-06 00:01:34,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-10-06 00:01:34,469 INFO L414 BasicCegarLoop]: Found error trace [2020-10-06 00:01:34,469 INFO L422 BasicCegarLoop]: trace histogram [4, 3, 1, 1, 1, 1, 1] [2020-10-06 00:01:34,469 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-06 00:01:34,469 INFO L427 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-06 00:01:34,470 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-06 00:01:34,470 INFO L82 PathProgramCache]: Analyzing trace with hash -450990296, now seen corresponding path program 1 times [2020-10-06 00:01:34,473 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-06 00:01:34,474 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1706508726] [2020-10-06 00:01:34,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-06 00:01:34,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-06 00:01:34,487 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-06 00:01:34,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-06 00:01:34,496 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-06 00:01:34,501 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-06 00:01:34,502 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-10-06 00:01:34,502 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-06 00:01:34,502 WARN L363 ceAbstractionStarter]: 3 thread instances were not sufficient, I will increase this number and restart the analysis [2020-10-06 00:01:34,503 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 4 thread instances. [2020-10-06 00:01:34,511 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:34,511 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:34,511 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:34,512 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:34,512 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:34,512 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:34,512 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:34,512 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:34,513 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:34,513 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:34,513 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:34,513 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:34,513 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:34,513 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:34,514 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:34,514 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:34,514 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:34,514 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:34,514 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:34,515 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:34,515 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:34,515 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:34,515 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:34,515 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:34,515 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:34,516 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:34,516 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:34,516 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:34,516 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:34,516 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:34,516 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:34,517 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:34,517 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:34,517 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:34,517 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:34,517 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:34,518 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:34,518 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:34,518 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:34,518 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:34,518 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:34,519 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:34,519 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:34,519 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:34,519 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:34,520 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:34,520 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:34,520 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:34,520 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:34,520 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:34,520 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:34,521 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:34,521 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:34,521 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:34,521 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:34,521 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:34,521 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:34,522 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:34,522 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:34,522 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:34,522 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:34,522 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:34,522 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:34,523 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:34,523 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:34,523 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:34,523 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:34,523 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:34,523 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:34,524 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:34,524 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:34,524 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:34,524 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:34,524 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:34,525 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:34,525 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:34,525 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:34,525 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:34,525 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:34,526 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:34,526 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:34,526 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:34,526 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:34,528 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:34,528 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:34,528 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:34,528 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:34,528 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:34,528 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:34,529 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:34,530 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:34,530 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:34,530 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:34,530 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:34,530 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:34,531 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:34,531 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:34,532 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:34,532 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:34,532 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:34,532 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:34,533 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:34,533 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:34,533 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:34,534 INFO L251 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2020-10-06 00:01:34,534 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-06 00:01:34,534 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-06 00:01:34,535 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-06 00:01:34,535 INFO L378 AbstractCegarLoop]: Backedges is MCR [2020-10-06 00:01:34,535 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-06 00:01:34,535 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-06 00:01:34,535 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-06 00:01:34,535 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-06 00:01:34,537 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 86 places, 86 transitions, 204 flow [2020-10-06 00:01:34,537 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 86 places, 86 transitions, 204 flow [2020-10-06 00:01:34,553 INFO L129 PetriNetUnfolder]: 13/121 cut-off events. [2020-10-06 00:01:34,553 INFO L130 PetriNetUnfolder]: For 16/16 co-relation queries the response was YES. [2020-10-06 00:01:34,554 INFO L80 FinitePrefix]: Finished finitePrefix Result has 144 conditions, 121 events. 13/121 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 357 event pairs, 0 based on Foata normal form. 0/99 useless extension candidates. Maximal degree in co-relation 104. Up to 10 conditions per place. [2020-10-06 00:01:34,559 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 86 places, 86 transitions, 204 flow [2020-10-06 00:01:34,571 INFO L129 PetriNetUnfolder]: 13/121 cut-off events. [2020-10-06 00:01:34,571 INFO L130 PetriNetUnfolder]: For 16/16 co-relation queries the response was YES. [2020-10-06 00:01:34,572 INFO L80 FinitePrefix]: Finished finitePrefix Result has 144 conditions, 121 events. 13/121 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 357 event pairs, 0 based on Foata normal form. 0/99 useless extension candidates. Maximal degree in co-relation 104. Up to 10 conditions per place. [2020-10-06 00:01:34,577 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 4544 [2020-10-06 00:01:34,577 INFO L182 etLargeBlockEncoding]: Variable Check. [2020-10-06 00:01:35,567 INFO L206 etLargeBlockEncoding]: Checked pairs total: 14772 [2020-10-06 00:01:35,567 INFO L214 etLargeBlockEncoding]: Total number of compositions: 49 [2020-10-06 00:01:35,567 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 50 places, 45 transitions, 122 flow [2020-10-06 00:01:39,809 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 36085 states. [2020-10-06 00:01:39,810 INFO L276 IsEmpty]: Start isEmpty. Operand 36085 states. [2020-10-06 00:01:39,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-10-06 00:01:39,811 INFO L414 BasicCegarLoop]: Found error trace [2020-10-06 00:01:39,811 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-06 00:01:39,811 INFO L427 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-10-06 00:01:39,811 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-06 00:01:39,811 INFO L82 PathProgramCache]: Analyzing trace with hash 1611612170, now seen corresponding path program 1 times [2020-10-06 00:01:39,812 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-06 00:01:39,813 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [253869356] [2020-10-06 00:01:39,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-06 00:01:39,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-06 00:01:39,915 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-06 00:01:39,916 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [253869356] [2020-10-06 00:01:39,916 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-06 00:01:39,916 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-06 00:01:39,917 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1261877953] [2020-10-06 00:01:39,917 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-06 00:01:39,917 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-06 00:01:39,918 INFO L258 McrAutomatonBuilder]: Finished intersection with 10 states and 9 transitions. [2020-10-06 00:01:39,918 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-06 00:01:39,919 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-06 00:01:39,919 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-06 00:01:39,919 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-06 00:01:39,919 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-06 00:01:39,919 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-06 00:01:39,920 INFO L87 Difference]: Start difference. First operand 36085 states. Second operand 5 states. [2020-10-06 00:01:40,732 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-06 00:01:40,732 INFO L93 Difference]: Finished difference Result 47190 states and 210662 transitions. [2020-10-06 00:01:40,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-06 00:01:40,733 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 9 [2020-10-06 00:01:40,733 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-06 00:01:41,053 INFO L225 Difference]: With dead ends: 47190 [2020-10-06 00:01:41,054 INFO L226 Difference]: Without dead ends: 47190 [2020-10-06 00:01:41,054 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-06 00:01:43,264 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47190 states. [2020-10-06 00:01:44,352 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47190 to 34210. [2020-10-06 00:01:44,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34210 states. [2020-10-06 00:01:44,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34210 states to 34210 states and 156599 transitions. [2020-10-06 00:01:44,504 INFO L78 Accepts]: Start accepts. Automaton has 34210 states and 156599 transitions. Word has length 9 [2020-10-06 00:01:44,504 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-06 00:01:44,505 INFO L479 AbstractCegarLoop]: Abstraction has 34210 states and 156599 transitions. [2020-10-06 00:01:44,505 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-06 00:01:44,505 INFO L276 IsEmpty]: Start isEmpty. Operand 34210 states and 156599 transitions. [2020-10-06 00:01:44,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-10-06 00:01:44,506 INFO L414 BasicCegarLoop]: Found error trace [2020-10-06 00:01:44,506 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-06 00:01:44,506 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-06 00:01:44,506 INFO L427 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-10-06 00:01:44,507 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-06 00:01:44,507 INFO L82 PathProgramCache]: Analyzing trace with hash -2021235878, now seen corresponding path program 1 times [2020-10-06 00:01:44,512 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-06 00:01:44,513 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1685160772] [2020-10-06 00:01:44,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-06 00:01:44,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-06 00:01:44,607 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-10-06 00:01:44,607 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1685160772] [2020-10-06 00:01:44,608 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-06 00:01:44,608 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-06 00:01:44,608 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [818237153] [2020-10-06 00:01:44,608 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-06 00:01:44,609 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-06 00:01:44,610 INFO L258 McrAutomatonBuilder]: Finished intersection with 13 states and 12 transitions. [2020-10-06 00:01:44,610 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-06 00:01:44,611 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-06 00:01:44,611 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-06 00:01:44,611 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-06 00:01:44,611 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-06 00:01:44,612 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-06 00:01:44,612 INFO L87 Difference]: Start difference. First operand 34210 states and 156599 transitions. Second operand 5 states. [2020-10-06 00:01:46,595 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-06 00:01:46,596 INFO L93 Difference]: Finished difference Result 58400 states and 260286 transitions. [2020-10-06 00:01:46,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-06 00:01:46,596 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 12 [2020-10-06 00:01:46,596 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-06 00:01:46,907 INFO L225 Difference]: With dead ends: 58400 [2020-10-06 00:01:46,907 INFO L226 Difference]: Without dead ends: 58400 [2020-10-06 00:01:46,908 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-06 00:01:47,744 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58400 states. [2020-10-06 00:01:50,615 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58400 to 42352. [2020-10-06 00:01:50,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42352 states. [2020-10-06 00:01:50,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42352 states to 42352 states and 193270 transitions. [2020-10-06 00:01:50,768 INFO L78 Accepts]: Start accepts. Automaton has 42352 states and 193270 transitions. Word has length 12 [2020-10-06 00:01:50,768 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-06 00:01:50,768 INFO L479 AbstractCegarLoop]: Abstraction has 42352 states and 193270 transitions. [2020-10-06 00:01:50,768 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-06 00:01:50,769 INFO L276 IsEmpty]: Start isEmpty. Operand 42352 states and 193270 transitions. [2020-10-06 00:01:50,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-10-06 00:01:50,772 INFO L414 BasicCegarLoop]: Found error trace [2020-10-06 00:01:50,773 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-06 00:01:50,773 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-06 00:01:50,773 INFO L427 AbstractCegarLoop]: === Iteration 3 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-10-06 00:01:50,773 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-06 00:01:50,773 INFO L82 PathProgramCache]: Analyzing trace with hash 252682179, now seen corresponding path program 1 times [2020-10-06 00:01:50,774 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-06 00:01:50,775 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [591821722] [2020-10-06 00:01:50,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-06 00:01:50,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-06 00:01:50,916 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-10-06 00:01:50,917 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [591821722] [2020-10-06 00:01:50,917 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-06 00:01:50,917 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-06 00:01:50,917 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [460116432] [2020-10-06 00:01:50,918 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-06 00:01:50,922 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-06 00:01:50,923 INFO L258 McrAutomatonBuilder]: Finished intersection with 16 states and 15 transitions. [2020-10-06 00:01:50,923 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-06 00:01:50,924 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-06 00:01:50,925 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-06 00:01:50,925 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-06 00:01:50,925 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-06 00:01:50,925 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-06 00:01:50,926 INFO L87 Difference]: Start difference. First operand 42352 states and 193270 transitions. Second operand 5 states. [2020-10-06 00:01:51,482 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-06 00:01:51,482 INFO L93 Difference]: Finished difference Result 70864 states and 315512 transitions. [2020-10-06 00:01:51,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-06 00:01:51,483 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 15 [2020-10-06 00:01:51,483 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-06 00:01:51,690 INFO L225 Difference]: With dead ends: 70864 [2020-10-06 00:01:51,690 INFO L226 Difference]: Without dead ends: 70864 [2020-10-06 00:01:51,691 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-06 00:01:54,661 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70864 states. [2020-10-06 00:01:55,578 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70864 to 51472. [2020-10-06 00:01:55,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51472 states. [2020-10-06 00:01:55,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51472 states to 51472 states and 234268 transitions. [2020-10-06 00:01:55,741 INFO L78 Accepts]: Start accepts. Automaton has 51472 states and 234268 transitions. Word has length 15 [2020-10-06 00:01:55,742 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-06 00:01:55,742 INFO L479 AbstractCegarLoop]: Abstraction has 51472 states and 234268 transitions. [2020-10-06 00:01:55,743 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-06 00:01:55,743 INFO L276 IsEmpty]: Start isEmpty. Operand 51472 states and 234268 transitions. [2020-10-06 00:01:55,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-10-06 00:01:55,744 INFO L414 BasicCegarLoop]: Found error trace [2020-10-06 00:01:55,744 INFO L422 BasicCegarLoop]: trace histogram [5, 4, 1, 1, 1, 1, 1, 1] [2020-10-06 00:01:55,744 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-06 00:01:55,744 INFO L427 AbstractCegarLoop]: === Iteration 4 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-10-06 00:01:55,744 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-06 00:01:55,744 INFO L82 PathProgramCache]: Analyzing trace with hash 649438076, now seen corresponding path program 1 times [2020-10-06 00:01:55,745 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-06 00:01:55,746 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2011341737] [2020-10-06 00:01:55,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-06 00:01:55,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-06 00:01:55,756 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-06 00:01:55,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-06 00:01:55,762 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-06 00:01:55,767 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-06 00:01:55,767 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-10-06 00:01:55,767 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-06 00:01:55,768 WARN L363 ceAbstractionStarter]: 4 thread instances were not sufficient, I will increase this number and restart the analysis [2020-10-06 00:01:55,768 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 5 thread instances. [2020-10-06 00:01:55,776 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:55,776 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:55,776 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:55,776 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:55,776 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:55,777 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:55,777 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:55,777 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:55,777 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:55,777 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:55,777 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:55,778 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:55,778 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:55,778 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:55,778 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:55,778 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:55,778 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:55,779 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:55,779 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:55,779 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:55,779 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:55,779 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:55,779 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:55,779 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:55,780 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:55,780 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:55,780 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:55,780 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:55,780 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:55,780 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:55,781 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:55,781 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:55,781 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:55,781 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:55,781 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:55,781 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:55,782 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:55,782 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:55,782 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:55,782 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:55,782 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:55,782 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:55,782 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:55,783 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:55,783 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:55,783 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:55,783 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:55,783 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:55,783 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:55,783 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:55,784 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:55,784 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:55,784 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:55,784 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:55,784 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:55,784 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:55,784 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:55,785 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:55,785 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:55,785 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:55,785 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:55,785 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:55,785 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:55,785 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:55,786 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:55,786 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:55,786 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:55,786 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:55,786 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:55,786 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:55,787 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:55,787 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:55,787 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:55,787 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:55,787 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:55,787 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:55,787 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:55,788 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:55,788 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:55,788 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:55,788 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:55,788 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:55,788 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:55,788 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:55,789 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:55,789 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:55,789 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:55,789 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:55,789 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:55,789 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:55,789 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:55,789 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:55,790 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:55,790 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:55,790 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:55,790 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:55,790 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:55,791 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:55,791 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:55,791 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:55,791 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:55,791 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:55,794 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:55,794 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:55,794 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:55,794 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:55,794 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:55,794 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:55,794 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:55,795 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:55,795 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:55,796 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:55,796 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:55,796 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:55,796 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:55,796 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:55,797 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:55,797 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:55,797 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:55,797 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:55,797 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:55,798 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:55,798 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:55,799 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:55,799 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:55,799 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:55,799 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:55,799 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:55,799 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:55,800 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 00:01:55,801 INFO L251 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2020-10-06 00:01:55,801 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-06 00:01:55,801 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-06 00:01:55,801 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-06 00:01:55,801 INFO L378 AbstractCegarLoop]: Backedges is MCR [2020-10-06 00:01:55,801 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-06 00:01:55,801 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-06 00:01:55,802 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-06 00:01:55,802 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-06 00:01:55,803 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 103 places, 103 transitions, 251 flow [2020-10-06 00:01:55,803 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 103 places, 103 transitions, 251 flow [2020-10-06 00:01:55,819 INFO L129 PetriNetUnfolder]: 16/147 cut-off events. [2020-10-06 00:01:55,819 INFO L130 PetriNetUnfolder]: For 30/30 co-relation queries the response was YES. [2020-10-06 00:01:55,820 INFO L80 FinitePrefix]: Finished finitePrefix Result has 178 conditions, 147 events. 16/147 cut-off events. For 30/30 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 449 event pairs, 0 based on Foata normal form. 0/120 useless extension candidates. Maximal degree in co-relation 137. Up to 12 conditions per place. [2020-10-06 00:01:55,827 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 103 places, 103 transitions, 251 flow [2020-10-06 00:01:55,842 INFO L129 PetriNetUnfolder]: 16/147 cut-off events. [2020-10-06 00:01:55,842 INFO L130 PetriNetUnfolder]: For 30/30 co-relation queries the response was YES. [2020-10-06 00:01:55,843 INFO L80 FinitePrefix]: Finished finitePrefix Result has 178 conditions, 147 events. 16/147 cut-off events. For 30/30 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 449 event pairs, 0 based on Foata normal form. 0/120 useless extension candidates. Maximal degree in co-relation 137. Up to 12 conditions per place. [2020-10-06 00:01:55,849 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 7040 [2020-10-06 00:01:55,850 INFO L182 etLargeBlockEncoding]: Variable Check. [2020-10-06 00:01:56,959 INFO L206 etLargeBlockEncoding]: Checked pairs total: 23418 [2020-10-06 00:01:56,960 INFO L214 etLargeBlockEncoding]: Total number of compositions: 56 [2020-10-06 00:01:56,960 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 61 places, 56 transitions, 157 flow Received shutdown request... [2020-10-06 00:05:48,609 WARN L544 AbstractCegarLoop]: Verification canceled [2020-10-06 00:05:48,613 WARN L228 ceAbstractionStarter]: Timeout [2020-10-06 00:05:48,613 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.10 12:05:48 BasicIcfg [2020-10-06 00:05:48,613 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-06 00:05:48,616 INFO L168 Benchmark]: Toolchain (without parser) took 259655.22 ms. Allocated memory was 136.3 MB in the beginning and 3.0 GB in the end (delta: 2.8 GB). Free memory was 97.7 MB in the beginning and 1.4 GB in the end (delta: -1.3 GB). Peak memory consumption was 2.8 GB. Max. memory is 7.1 GB. [2020-10-06 00:05:48,617 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 136.3 MB. Free memory was 117.8 MB in the beginning and 117.6 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. [2020-10-06 00:05:48,618 INFO L168 Benchmark]: CACSL2BoogieTranslator took 595.28 ms. Allocated memory was 136.3 MB in the beginning and 199.8 MB in the end (delta: 63.4 MB). Free memory was 97.5 MB in the beginning and 160.2 MB in the end (delta: -62.6 MB). Peak memory consumption was 25.6 MB. Max. memory is 7.1 GB. [2020-10-06 00:05:48,619 INFO L168 Benchmark]: Boogie Procedure Inliner took 44.40 ms. Allocated memory is still 199.8 MB. Free memory was 160.2 MB in the beginning and 158.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. [2020-10-06 00:05:48,620 INFO L168 Benchmark]: Boogie Preprocessor took 25.93 ms. Allocated memory is still 199.8 MB. Free memory was 158.1 MB in the beginning and 156.7 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 7.1 GB. [2020-10-06 00:05:48,620 INFO L168 Benchmark]: RCFGBuilder took 464.04 ms. Allocated memory is still 199.8 MB. Free memory was 156.0 MB in the beginning and 128.8 MB in the end (delta: 27.1 MB). Peak memory consumption was 27.1 MB. Max. memory is 7.1 GB. [2020-10-06 00:05:48,621 INFO L168 Benchmark]: TraceAbstraction took 258520.62 ms. Allocated memory was 199.8 MB in the beginning and 3.0 GB in the end (delta: 2.8 GB). Free memory was 128.1 MB in the beginning and 1.4 GB in the end (delta: -1.3 GB). Peak memory consumption was 2.8 GB. Max. memory is 7.1 GB. [2020-10-06 00:05:48,626 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 136.3 MB. Free memory was 117.8 MB in the beginning and 117.6 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 595.28 ms. Allocated memory was 136.3 MB in the beginning and 199.8 MB in the end (delta: 63.4 MB). Free memory was 97.5 MB in the beginning and 160.2 MB in the end (delta: -62.6 MB). Peak memory consumption was 25.6 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 44.40 ms. Allocated memory is still 199.8 MB. Free memory was 160.2 MB in the beginning and 158.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 25.93 ms. Allocated memory is still 199.8 MB. Free memory was 158.1 MB in the beginning and 156.7 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 464.04 ms. Allocated memory is still 199.8 MB. Free memory was 156.0 MB in the beginning and 128.8 MB in the end (delta: 27.1 MB). Peak memory consumption was 27.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 258520.62 ms. Allocated memory was 199.8 MB in the beginning and 3.0 GB in the end (delta: 2.8 GB). Free memory was 128.1 MB in the beginning and 1.4 GB in the end (delta: -1.3 GB). Peak memory consumption was 2.8 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 1.1s, 35 ProgramPointsBefore, 11 ProgramPointsAfterwards, 35 TransitionsBefore, 8 TransitionsAfterwards, 320 CoEnabledTransitionPairs, 5 FixpointIterations, 7 TrivialSequentialCompositions, 21 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 3 ConcurrentYvCompositions, 3 ChoiceCompositions, 149 VarBasedMoverChecksPositive, 0 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 0 MoverChecksTotal, 213 CheckedPairsTotal, 31 TotalNumberOfCompositions - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 0.6s, 52 ProgramPointsBefore, 28 ProgramPointsAfterwards, 52 TransitionsBefore, 25 TransitionsAfterwards, 1184 CoEnabledTransitionPairs, 4 FixpointIterations, 7 TrivialSequentialCompositions, 17 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 7 ConcurrentYvCompositions, 3 ChoiceCompositions, 544 VarBasedMoverChecksPositive, 29 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 0 MoverChecksTotal, 2956 CheckedPairsTotal, 31 TotalNumberOfCompositions - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 0.7s, 69 ProgramPointsBefore, 39 ProgramPointsAfterwards, 69 TransitionsBefore, 35 TransitionsAfterwards, 2592 CoEnabledTransitionPairs, 5 FixpointIterations, 7 TrivialSequentialCompositions, 21 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 11 ConcurrentYvCompositions, 4 ChoiceCompositions, 1287 VarBasedMoverChecksPositive, 45 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 0 MoverChecksTotal, 8320 CheckedPairsTotal, 39 TotalNumberOfCompositions - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 1.0s, 86 ProgramPointsBefore, 50 ProgramPointsAfterwards, 86 TransitionsBefore, 45 TransitionsAfterwards, 4544 CoEnabledTransitionPairs, 5 FixpointIterations, 7 TrivialSequentialCompositions, 28 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 14 ConcurrentYvCompositions, 5 ChoiceCompositions, 2015 VarBasedMoverChecksPositive, 62 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 0 MoverChecksTotal, 14772 CheckedPairsTotal, 49 TotalNumberOfCompositions - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 1.1s, 103 ProgramPointsBefore, 61 ProgramPointsAfterwards, 103 TransitionsBefore, 56 TransitionsAfterwards, 7040 CoEnabledTransitionPairs, 5 FixpointIterations, 7 TrivialSequentialCompositions, 36 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 13 ConcurrentYvCompositions, 5 ChoiceCompositions, 3093 VarBasedMoverChecksPositive, 82 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 0 MoverChecksTotal, 23418 CheckedPairsTotal, 56 TotalNumberOfCompositions - TimeoutResultAtElement [Line: 698]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 698). Cancelled while BasicCegarLoop was constructing initial abstraction,while PetriNet2FiniteAutomaton was constructing automaton for Petri net that has has 61 places, 56 transitions, 157 flow. Already constructed 298613 states. Currently 12970 states in worklist.. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 32 locations, 1 error locations. Started 5 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 258.2s, OverallIterations: 10, TraceHistogramMax: 5, AutomataDifference: 4.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 241.0s, HoareTripleCheckerStatistics: 289 SDtfs, 519 SDslu, 372 SDs, 0 SdLazy, 571 SolverSat, 29 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 26 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=51472occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 11.6s AutomataMinimizationTime, 6 MinimizatonAttempts, 49680 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 100 NumberOfCodeBlocks, 100 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 52 ConstructedInterpolants, 0 QuantifiedInterpolants, 3968 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 9/9 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