/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/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/pthread-ext/40_barrier_vf.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-60655ea [2020-09-14 13:18:23,433 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-14 13:18:23,437 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-14 13:18:23,464 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-14 13:18:23,464 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-14 13:18:23,465 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-14 13:18:23,467 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-14 13:18:23,469 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-14 13:18:23,471 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-14 13:18:23,472 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-14 13:18:23,473 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-14 13:18:23,474 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-14 13:18:23,474 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-14 13:18:23,476 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-14 13:18:23,477 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-14 13:18:23,478 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-14 13:18:23,479 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-14 13:18:23,480 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-14 13:18:23,482 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-14 13:18:23,484 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-14 13:18:23,486 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-14 13:18:23,487 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-14 13:18:23,488 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-14 13:18:23,489 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-14 13:18:23,492 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-09-14 13:18:23,500 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-14 13:18:23,503 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-14 13:18:23,504 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-14 13:18:23,505 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-14 13:18:23,506 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-14 13:18:23,506 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-14 13:18:23,509 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-14 13:18:23,509 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-14 13:18:23,509 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-14 13:18:23,511 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-14 13:18:23,513 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-14 13:18:23,514 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-09-14 13:18:23,576 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-14 13:18:23,577 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-14 13:18:23,578 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-14 13:18:23,579 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-14 13:18:23,579 INFO L138 SettingsManager]: * Use SBE=true [2020-09-14 13:18:23,579 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-14 13:18:23,579 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-14 13:18:23,579 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-14 13:18:23,580 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-14 13:18:23,580 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-14 13:18:23,580 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-14 13:18:23,580 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-14 13:18:23,580 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-14 13:18:23,580 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-14 13:18:23,581 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-14 13:18:23,581 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-14 13:18:23,581 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-14 13:18:23,581 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-14 13:18:23,581 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-14 13:18:23,582 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-14 13:18:23,582 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-14 13:18:23,582 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-14 13:18:23,582 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-14 13:18:23,582 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-14 13:18:23,583 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-14 13:18:23,584 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-14 13:18:23,584 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-14 13:18:23,584 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-14 13:18:23,585 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-14 13:18:23,585 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-09-14 13:18:24,080 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-14 13:18:24,098 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-14 13:18:24,102 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-14 13:18:24,104 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-14 13:18:24,104 INFO L275 PluginConnector]: CDTParser initialized [2020-09-14 13:18:24,105 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-ext/40_barrier_vf.i [2020-09-14 13:18:24,190 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/4c2f95a6f/e55f8aa499124b259bf687701519854d/FLAG5fc6b4b0a [2020-09-14 13:18:24,840 INFO L306 CDTParser]: Found 1 translation units. [2020-09-14 13:18:24,841 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/pthread-ext/40_barrier_vf.i [2020-09-14 13:18:24,867 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/4c2f95a6f/e55f8aa499124b259bf687701519854d/FLAG5fc6b4b0a [2020-09-14 13:18:25,099 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/4c2f95a6f/e55f8aa499124b259bf687701519854d [2020-09-14 13:18:25,113 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-14 13:18:25,121 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-09-14 13:18:25,122 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-14 13:18:25,122 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-14 13:18:25,127 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-14 13:18:25,128 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.09 01:18:25" (1/1) ... [2020-09-14 13:18:25,132 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6691d918 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 01:18:25, skipping insertion in model container [2020-09-14 13:18:25,133 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.09 01:18:25" (1/1) ... [2020-09-14 13:18:25,142 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-14 13:18:25,202 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-14 13:18:25,760 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-14 13:18:25,786 INFO L203 MainTranslator]: Completed pre-run [2020-09-14 13:18:25,857 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-14 13:18:25,935 INFO L208 MainTranslator]: Completed translation [2020-09-14 13:18:25,936 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 01:18:25 WrapperNode [2020-09-14 13:18:25,936 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-14 13:18:25,937 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-09-14 13:18:25,937 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-09-14 13:18:25,938 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-09-14 13:18:25,949 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 01:18:25" (1/1) ... [2020-09-14 13:18:25,969 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 01:18:25" (1/1) ... [2020-09-14 13:18:25,999 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-09-14 13:18:26,000 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-14 13:18:26,000 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-14 13:18:26,000 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-14 13:18:26,010 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 01:18:25" (1/1) ... [2020-09-14 13:18:26,010 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 01:18:25" (1/1) ... [2020-09-14 13:18:26,013 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 01:18:25" (1/1) ... [2020-09-14 13:18:26,013 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 01:18:25" (1/1) ... [2020-09-14 13:18:26,020 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 01:18:25" (1/1) ... [2020-09-14 13:18:26,027 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 01:18:25" (1/1) ... [2020-09-14 13:18:26,029 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 01:18:25" (1/1) ... [2020-09-14 13:18:26,033 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-14 13:18:26,034 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-14 13:18:26,034 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-14 13:18:26,034 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-14 13:18:26,035 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 01:18:25" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-14 13:18:26,117 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2020-09-14 13:18:26,117 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2020-09-14 13:18:26,117 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-14 13:18:26,118 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-14 13:18:26,118 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-14 13:18:26,118 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-14 13:18:26,118 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-14 13:18:26,121 WARN L205 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-09-14 13:18:26,752 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-14 13:18:26,752 INFO L295 CfgBuilder]: Removed 10 assume(true) statements. [2020-09-14 13:18:26,757 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.09 01:18:26 BoogieIcfgContainer [2020-09-14 13:18:26,757 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-14 13:18:26,759 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-14 13:18:26,759 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-14 13:18:26,763 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-14 13:18:26,763 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.09 01:18:25" (1/3) ... [2020-09-14 13:18:26,764 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16ea620c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.09 01:18:26, skipping insertion in model container [2020-09-14 13:18:26,764 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 01:18:25" (2/3) ... [2020-09-14 13:18:26,765 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16ea620c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.09 01:18:26, skipping insertion in model container [2020-09-14 13:18:26,765 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.09 01:18:26" (3/3) ... [2020-09-14 13:18:26,767 INFO L109 eAbstractionObserver]: Analyzing ICFG 40_barrier_vf.i [2020-09-14 13:18:26,779 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-09-14 13:18:26,779 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-09-14 13:18:26,790 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-14 13:18:26,791 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-09-14 13:18:26,814 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:18:26,814 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:18:26,814 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:18:26,814 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:18:26,815 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_Barrier2_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:18:26,815 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:18:26,815 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:18:26,816 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_Barrier2_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:18:26,816 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_Barrier2_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:18:26,816 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_Barrier2_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:18:26,816 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:18:26,817 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:18:26,817 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:18:26,817 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:18:26,817 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:18:26,818 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:18:26,818 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:18:26,818 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:18:26,819 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:18:26,819 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:18:26,819 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:18:26,819 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:18:26,819 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:18:26,820 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:18:26,824 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:18:26,824 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:18:26,825 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:18:26,825 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:18:26,825 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:18:26,825 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:18:26,825 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_Barrier2_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:18:26,852 INFO L251 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-09-14 13:18:26,879 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-14 13:18:26,880 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-14 13:18:26,880 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-09-14 13:18:26,880 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-14 13:18:26,880 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-14 13:18:26,880 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-14 13:18:26,880 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-14 13:18:26,881 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-14 13:18:26,898 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 44 places, 45 transitions, 95 flow [2020-09-14 13:18:26,900 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 44 places, 45 transitions, 95 flow [2020-09-14 13:18:26,939 INFO L129 PetriNetUnfolder]: 5/53 cut-off events. [2020-09-14 13:18:26,939 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-09-14 13:18:26,945 INFO L80 FinitePrefix]: Finished finitePrefix Result has 58 conditions, 53 events. 5/53 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 61 event pairs, 0 based on Foata normal form. 0/45 useless extension candidates. Maximal degree in co-relation 34. Up to 4 conditions per place. [2020-09-14 13:18:26,947 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 44 places, 45 transitions, 95 flow [2020-09-14 13:18:26,961 INFO L129 PetriNetUnfolder]: 5/53 cut-off events. [2020-09-14 13:18:26,962 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-09-14 13:18:26,963 INFO L80 FinitePrefix]: Finished finitePrefix Result has 58 conditions, 53 events. 5/53 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 61 event pairs, 0 based on Foata normal form. 0/45 useless extension candidates. Maximal degree in co-relation 34. Up to 4 conditions per place. [2020-09-14 13:18:26,964 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 500 [2020-09-14 13:18:26,966 INFO L170 etLargeBlockEncoding]: Semantic Check. [2020-09-14 13:18:27,439 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 2, 1] term [2020-09-14 13:18:27,439 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-09-14 13:18:28,459 INFO L206 etLargeBlockEncoding]: Checked pairs total: 334 [2020-09-14 13:18:28,460 INFO L214 etLargeBlockEncoding]: Total number of compositions: 43 [2020-09-14 13:18:28,466 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 11 places, 8 transitions, 21 flow [2020-09-14 13:18:28,477 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 19 states. [2020-09-14 13:18:28,479 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states. [2020-09-14 13:18:28,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2020-09-14 13:18:28,486 INFO L414 BasicCegarLoop]: Found error trace [2020-09-14 13:18:28,487 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2020-09-14 13:18:28,488 INFO L427 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-09-14 13:18:28,495 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-14 13:18:28,495 INFO L82 PathProgramCache]: Analyzing trace with hash 9950712, now seen corresponding path program 1 times [2020-09-14 13:18:28,508 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-14 13:18:28,509 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1768216983] [2020-09-14 13:18:28,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-14 13:18:28,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-14 13:18:28,799 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-14 13:18:28,799 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1768216983] [2020-09-14 13:18:28,800 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-14 13:18:28,801 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-09-14 13:18:28,802 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1207544217] [2020-09-14 13:18:28,808 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-14 13:18:28,808 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-14 13:18:28,826 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-14 13:18:28,827 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-14 13:18:28,830 INFO L87 Difference]: Start difference. First operand 19 states. Second operand 3 states. [2020-09-14 13:18:28,844 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-14 13:18:28,844 INFO L93 Difference]: Finished difference Result 7 states and 6 transitions. [2020-09-14 13:18:28,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-14 13:18:28,845 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 4 [2020-09-14 13:18:28,845 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-14 13:18:28,854 INFO L225 Difference]: With dead ends: 7 [2020-09-14 13:18:28,855 INFO L226 Difference]: Without dead ends: 7 [2020-09-14 13:18:28,856 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-14 13:18:28,874 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states. [2020-09-14 13:18:28,889 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. [2020-09-14 13:18:28,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2020-09-14 13:18:28,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 6 transitions. [2020-09-14 13:18:28,893 INFO L78 Accepts]: Start accepts. Automaton has 7 states and 6 transitions. Word has length 4 [2020-09-14 13:18:28,893 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-14 13:18:28,893 INFO L479 AbstractCegarLoop]: Abstraction has 7 states and 6 transitions. [2020-09-14 13:18:28,893 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-14 13:18:28,894 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 6 transitions. [2020-09-14 13:18:28,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-09-14 13:18:28,894 INFO L414 BasicCegarLoop]: Found error trace [2020-09-14 13:18:28,894 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1] [2020-09-14 13:18:28,895 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-14 13:18:28,895 INFO L427 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-09-14 13:18:28,895 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-14 13:18:28,895 INFO L82 PathProgramCache]: Analyzing trace with hash 972631415, now seen corresponding path program 1 times [2020-09-14 13:18:28,896 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-14 13:18:28,896 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1463164711] [2020-09-14 13:18:28,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-14 13:18:28,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-09-14 13:18:28,929 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-09-14 13:18:28,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-09-14 13:18:28,956 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-09-14 13:18:28,989 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-09-14 13:18:28,990 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-09-14 13:18:28,991 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-14 13:18:28,993 WARN L363 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2020-09-14 13:18:28,993 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2020-09-14 13:18:29,000 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:18:29,000 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:18:29,000 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:18:29,000 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:18:29,001 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_Barrier2_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:18:29,001 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:18:29,001 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:18:29,001 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_Barrier2_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:18:29,001 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_Barrier2_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:18:29,002 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_Barrier2_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:18:29,002 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:18:29,002 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:18:29,002 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:18:29,003 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:18:29,003 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:18:29,003 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:18:29,003 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:18:29,003 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:18:29,004 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:18:29,004 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:18:29,004 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:18:29,004 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:18:29,004 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:18:29,005 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:18:29,005 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:18:29,006 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:18:29,006 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:18:29,006 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:18:29,006 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_Barrier2_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:18:29,006 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:18:29,006 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:18:29,007 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_Barrier2_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:18:29,007 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_Barrier2_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:18:29,007 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_Barrier2_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:18:29,007 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:18:29,008 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:18:29,008 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:18:29,008 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:18:29,008 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:18:29,008 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:18:29,009 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:18:29,009 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:18:29,009 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:18:29,009 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:18:29,009 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:18:29,010 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:18:29,010 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:18:29,010 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:18:29,011 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:18:29,011 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:18:29,011 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:18:29,011 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_Barrier2_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:18:29,011 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:18:29,012 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:18:29,012 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:18:29,013 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:18:29,014 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:18:29,014 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_Barrier2_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:18:29,014 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:18:29,014 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:18:29,015 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:18:29,015 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:18:29,016 INFO L251 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2020-09-14 13:18:29,017 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-14 13:18:29,017 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-14 13:18:29,017 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-09-14 13:18:29,017 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-14 13:18:29,017 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-14 13:18:29,017 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-14 13:18:29,018 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-14 13:18:29,018 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-14 13:18:29,021 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 69 places, 71 transitions, 154 flow [2020-09-14 13:18:29,021 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 69 places, 71 transitions, 154 flow [2020-09-14 13:18:29,041 INFO L129 PetriNetUnfolder]: 9/88 cut-off events. [2020-09-14 13:18:29,041 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2020-09-14 13:18:29,043 INFO L80 FinitePrefix]: Finished finitePrefix Result has 98 conditions, 88 events. 9/88 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 195 event pairs, 0 based on Foata normal form. 0/74 useless extension candidates. Maximal degree in co-relation 59. Up to 6 conditions per place. [2020-09-14 13:18:29,045 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 69 places, 71 transitions, 154 flow [2020-09-14 13:18:29,062 INFO L129 PetriNetUnfolder]: 9/88 cut-off events. [2020-09-14 13:18:29,063 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2020-09-14 13:18:29,064 INFO L80 FinitePrefix]: Finished finitePrefix Result has 98 conditions, 88 events. 9/88 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 195 event pairs, 0 based on Foata normal form. 0/74 useless extension candidates. Maximal degree in co-relation 59. Up to 6 conditions per place. [2020-09-14 13:18:29,067 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 2300 [2020-09-14 13:18:29,067 INFO L170 etLargeBlockEncoding]: Semantic Check. [2020-09-14 13:18:30,526 INFO L206 etLargeBlockEncoding]: Checked pairs total: 13201 [2020-09-14 13:18:30,527 INFO L214 etLargeBlockEncoding]: Total number of compositions: 55 [2020-09-14 13:18:30,528 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 38 places, 37 transitions, 86 flow [2020-09-14 13:18:30,637 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 1040 states. [2020-09-14 13:18:30,638 INFO L276 IsEmpty]: Start isEmpty. Operand 1040 states. [2020-09-14 13:18:30,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-09-14 13:18:30,639 INFO L414 BasicCegarLoop]: Found error trace [2020-09-14 13:18:30,639 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2020-09-14 13:18:30,640 INFO L427 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-14 13:18:30,640 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-14 13:18:30,640 INFO L82 PathProgramCache]: Analyzing trace with hash 451134800, now seen corresponding path program 1 times [2020-09-14 13:18:30,641 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-14 13:18:30,641 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1952941936] [2020-09-14 13:18:30,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-14 13:18:30,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-14 13:18:30,710 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-14 13:18:30,710 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1952941936] [2020-09-14 13:18:30,710 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-14 13:18:30,711 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-09-14 13:18:30,711 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1327017006] [2020-09-14 13:18:30,711 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-09-14 13:18:30,712 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-14 13:18:30,712 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-09-14 13:18:30,712 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-09-14 13:18:30,712 INFO L87 Difference]: Start difference. First operand 1040 states. Second operand 2 states. [2020-09-14 13:18:30,762 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-14 13:18:30,762 INFO L93 Difference]: Finished difference Result 718 states and 1940 transitions. [2020-09-14 13:18:30,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-09-14 13:18:30,763 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 5 [2020-09-14 13:18:30,763 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-14 13:18:30,780 INFO L225 Difference]: With dead ends: 718 [2020-09-14 13:18:30,781 INFO L226 Difference]: Without dead ends: 718 [2020-09-14 13:18:30,781 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-09-14 13:18:30,795 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 718 states. [2020-09-14 13:18:30,858 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 718 to 718. [2020-09-14 13:18:30,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 718 states. [2020-09-14 13:18:30,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 718 states to 718 states and 1940 transitions. [2020-09-14 13:18:30,868 INFO L78 Accepts]: Start accepts. Automaton has 718 states and 1940 transitions. Word has length 5 [2020-09-14 13:18:30,869 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-14 13:18:30,871 INFO L479 AbstractCegarLoop]: Abstraction has 718 states and 1940 transitions. [2020-09-14 13:18:30,871 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-09-14 13:18:30,871 INFO L276 IsEmpty]: Start isEmpty. Operand 718 states and 1940 transitions. [2020-09-14 13:18:30,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-09-14 13:18:30,874 INFO L414 BasicCegarLoop]: Found error trace [2020-09-14 13:18:30,875 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 1, 1, 1, 1] [2020-09-14 13:18:30,875 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-14 13:18:30,875 INFO L427 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-14 13:18:30,875 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-14 13:18:30,876 INFO L82 PathProgramCache]: Analyzing trace with hash 161916818, now seen corresponding path program 1 times [2020-09-14 13:18:30,877 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-14 13:18:30,878 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2087638357] [2020-09-14 13:18:30,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-14 13:18:30,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-09-14 13:18:30,906 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-09-14 13:18:30,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-09-14 13:18:30,938 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-09-14 13:18:30,953 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-09-14 13:18:30,953 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-09-14 13:18:30,953 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-14 13:18:30,954 WARN L363 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2020-09-14 13:18:30,956 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2020-09-14 13:18:30,968 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:18:30,968 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:18:30,968 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:18:30,968 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:18:30,968 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_Barrier2_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:18:30,969 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:18:30,969 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:18:30,969 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_Barrier2_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:18:30,970 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_Barrier2_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:18:30,970 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_Barrier2_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:18:30,970 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:18:30,970 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:18:30,970 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:18:30,971 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:18:30,971 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:18:30,971 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:18:30,971 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:18:30,971 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:18:30,971 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:18:30,972 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:18:30,972 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:18:30,972 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:18:30,972 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:18:30,972 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:18:30,974 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:18:30,974 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:18:30,974 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:18:30,974 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:18:30,974 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_Barrier2_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:18:30,974 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:18:30,975 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:18:30,975 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_Barrier2_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:18:30,975 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_Barrier2_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:18:30,975 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_Barrier2_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:18:30,976 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:18:30,976 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:18:30,976 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:18:30,976 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:18:30,976 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:18:30,977 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:18:30,977 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:18:30,977 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:18:30,977 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:18:30,977 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:18:30,978 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:18:30,978 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:18:30,979 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:18:30,979 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:18:30,981 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:18:30,982 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:18:30,982 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:18:30,982 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:18:30,982 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_Barrier2_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:18:30,982 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:18:30,983 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:18:30,983 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_Barrier2_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:18:30,983 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_Barrier2_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:18:30,983 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_Barrier2_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:18:30,983 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:18:30,984 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:18:30,984 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:18:30,984 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:18:30,984 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:18:30,984 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:18:30,985 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:18:30,985 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:18:30,985 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:18:30,985 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:18:30,985 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:18:30,986 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:18:30,986 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:18:30,986 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:18:30,987 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:18:30,987 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:18:30,987 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:18:30,987 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:18:30,987 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_Barrier2_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:18:30,987 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:18:30,988 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:18:30,991 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:18:30,991 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_Barrier2_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:18:30,992 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:18:30,992 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:18:30,992 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:18:30,992 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:18:30,992 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:18:30,995 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_Barrier2_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:18:30,995 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:18:30,996 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:18:30,996 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:18:30,996 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:18:30,996 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:18:30,996 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:18:31,002 INFO L251 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-09-14 13:18:31,003 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-14 13:18:31,003 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-14 13:18:31,003 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-09-14 13:18:31,003 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-14 13:18:31,003 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-14 13:18:31,003 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-14 13:18:31,003 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-14 13:18:31,004 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-14 13:18:31,008 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 94 places, 97 transitions, 215 flow [2020-09-14 13:18:31,008 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 94 places, 97 transitions, 215 flow [2020-09-14 13:18:31,045 INFO L129 PetriNetUnfolder]: 13/123 cut-off events. [2020-09-14 13:18:31,046 INFO L130 PetriNetUnfolder]: For 7/7 co-relation queries the response was YES. [2020-09-14 13:18:31,051 INFO L80 FinitePrefix]: Finished finitePrefix Result has 139 conditions, 123 events. 13/123 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 349 event pairs, 0 based on Foata normal form. 0/103 useless extension candidates. Maximal degree in co-relation 92. Up to 8 conditions per place. [2020-09-14 13:18:31,061 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 94 places, 97 transitions, 215 flow [2020-09-14 13:18:31,092 INFO L129 PetriNetUnfolder]: 13/123 cut-off events. [2020-09-14 13:18:31,092 INFO L130 PetriNetUnfolder]: For 7/7 co-relation queries the response was YES. [2020-09-14 13:18:31,094 INFO L80 FinitePrefix]: Finished finitePrefix Result has 139 conditions, 123 events. 13/123 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 349 event pairs, 0 based on Foata normal form. 0/103 useless extension candidates. Maximal degree in co-relation 92. Up to 8 conditions per place. [2020-09-14 13:18:31,101 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 5400 [2020-09-14 13:18:31,102 INFO L170 etLargeBlockEncoding]: Semantic Check. [2020-09-14 13:18:32,580 INFO L206 etLargeBlockEncoding]: Checked pairs total: 28220 [2020-09-14 13:18:32,580 INFO L214 etLargeBlockEncoding]: Total number of compositions: 59 [2020-09-14 13:18:32,581 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 54 places, 51 transitions, 123 flow [2020-09-14 13:18:34,016 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 14564 states. [2020-09-14 13:18:34,016 INFO L276 IsEmpty]: Start isEmpty. Operand 14564 states. [2020-09-14 13:18:34,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-09-14 13:18:34,017 INFO L414 BasicCegarLoop]: Found error trace [2020-09-14 13:18:34,017 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2020-09-14 13:18:34,017 INFO L427 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-14 13:18:34,018 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-14 13:18:34,018 INFO L82 PathProgramCache]: Analyzing trace with hash 637954440, now seen corresponding path program 1 times [2020-09-14 13:18:34,018 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-14 13:18:34,018 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [311584198] [2020-09-14 13:18:34,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-14 13:18:34,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-14 13:18:34,039 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-14 13:18:34,040 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [311584198] [2020-09-14 13:18:34,040 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-14 13:18:34,040 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-09-14 13:18:34,040 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1797983690] [2020-09-14 13:18:34,041 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-09-14 13:18:34,041 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-14 13:18:34,041 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-09-14 13:18:34,041 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-09-14 13:18:34,041 INFO L87 Difference]: Start difference. First operand 14564 states. Second operand 2 states. [2020-09-14 13:18:34,163 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-14 13:18:34,164 INFO L93 Difference]: Finished difference Result 9337 states and 34557 transitions. [2020-09-14 13:18:34,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-09-14 13:18:34,164 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 5 [2020-09-14 13:18:34,164 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-14 13:18:34,260 INFO L225 Difference]: With dead ends: 9337 [2020-09-14 13:18:34,260 INFO L226 Difference]: Without dead ends: 9337 [2020-09-14 13:18:34,261 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-09-14 13:18:34,389 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9337 states. [2020-09-14 13:18:34,743 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9337 to 9337. [2020-09-14 13:18:34,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9337 states. [2020-09-14 13:18:34,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9337 states to 9337 states and 34557 transitions. [2020-09-14 13:18:34,802 INFO L78 Accepts]: Start accepts. Automaton has 9337 states and 34557 transitions. Word has length 5 [2020-09-14 13:18:34,803 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-14 13:18:34,803 INFO L479 AbstractCegarLoop]: Abstraction has 9337 states and 34557 transitions. [2020-09-14 13:18:34,803 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-09-14 13:18:34,803 INFO L276 IsEmpty]: Start isEmpty. Operand 9337 states and 34557 transitions. [2020-09-14 13:18:34,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-09-14 13:18:34,805 INFO L414 BasicCegarLoop]: Found error trace [2020-09-14 13:18:34,805 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-14 13:18:34,806 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-14 13:18:34,806 INFO L427 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-14 13:18:34,806 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-14 13:18:34,806 INFO L82 PathProgramCache]: Analyzing trace with hash 867324896, now seen corresponding path program 1 times [2020-09-14 13:18:34,807 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-14 13:18:34,807 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1830446248] [2020-09-14 13:18:34,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-14 13:18:34,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-14 13:18:34,904 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-14 13:18:34,904 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1830446248] [2020-09-14 13:18:34,904 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-14 13:18:34,904 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-14 13:18:34,905 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [646197536] [2020-09-14 13:18:34,905 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-14 13:18:34,905 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-14 13:18:34,906 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-14 13:18:34,906 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-14 13:18:34,906 INFO L87 Difference]: Start difference. First operand 9337 states and 34557 transitions. Second operand 5 states. [2020-09-14 13:18:35,220 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-14 13:18:35,221 INFO L93 Difference]: Finished difference Result 20416 states and 72041 transitions. [2020-09-14 13:18:35,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-09-14 13:18:35,221 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 11 [2020-09-14 13:18:35,221 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-14 13:18:35,326 INFO L225 Difference]: With dead ends: 20416 [2020-09-14 13:18:35,326 INFO L226 Difference]: Without dead ends: 20416 [2020-09-14 13:18:35,327 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-09-14 13:18:36,390 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20416 states. [2020-09-14 13:18:36,768 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20416 to 11968. [2020-09-14 13:18:36,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11968 states. [2020-09-14 13:18:36,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11968 states to 11968 states and 43813 transitions. [2020-09-14 13:18:36,824 INFO L78 Accepts]: Start accepts. Automaton has 11968 states and 43813 transitions. Word has length 11 [2020-09-14 13:18:36,824 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-14 13:18:36,824 INFO L479 AbstractCegarLoop]: Abstraction has 11968 states and 43813 transitions. [2020-09-14 13:18:36,824 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-14 13:18:36,824 INFO L276 IsEmpty]: Start isEmpty. Operand 11968 states and 43813 transitions. [2020-09-14 13:18:36,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-09-14 13:18:36,826 INFO L414 BasicCegarLoop]: Found error trace [2020-09-14 13:18:36,826 INFO L422 BasicCegarLoop]: trace histogram [4, 3, 1, 1, 1, 1, 1] [2020-09-14 13:18:36,826 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-09-14 13:18:36,826 INFO L427 AbstractCegarLoop]: === Iteration 3 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-14 13:18:36,826 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-14 13:18:36,827 INFO L82 PathProgramCache]: Analyzing trace with hash 1762963757, now seen corresponding path program 1 times [2020-09-14 13:18:36,827 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-14 13:18:36,827 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1093547898] [2020-09-14 13:18:36,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-14 13:18:36,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-09-14 13:18:36,840 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-09-14 13:18:36,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-09-14 13:18:36,860 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-09-14 13:18:36,866 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-09-14 13:18:36,866 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-09-14 13:18:36,866 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-09-14 13:18:36,867 WARN L363 ceAbstractionStarter]: 3 thread instances were not sufficient, I will increase this number and restart the analysis [2020-09-14 13:18:36,867 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 4 thread instances. [2020-09-14 13:18:36,874 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:18:36,875 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:18:36,875 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:18:36,875 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:18:36,875 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_Barrier2_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:18:36,875 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:18:36,876 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:18:36,876 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_Barrier2_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:18:36,876 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_Barrier2_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:18:36,876 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_Barrier2_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:18:36,876 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:18:36,876 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:18:36,877 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:18:36,877 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:18:36,877 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:18:36,877 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:18:36,877 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:18:36,878 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:18:36,878 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:18:36,878 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:18:36,878 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:18:36,878 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:18:36,878 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:18:36,879 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:18:36,879 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:18:36,879 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:18:36,879 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:18:36,879 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:18:36,880 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_Barrier2_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:18:36,880 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:18:36,880 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:18:36,880 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_Barrier2_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:18:36,880 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_Barrier2_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:18:36,880 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_Barrier2_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:18:36,881 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:18:36,881 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:18:36,881 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:18:36,881 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:18:36,881 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:18:36,882 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:18:36,882 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:18:36,882 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:18:36,882 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:18:36,882 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:18:36,882 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:18:36,883 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:18:36,883 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:18:36,883 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:18:36,883 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:18:36,883 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:18:36,884 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:18:36,884 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:18:36,884 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_Barrier2_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:18:36,884 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:18:36,884 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:18:36,884 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_Barrier2_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:18:36,884 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_Barrier2_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:18:36,885 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_Barrier2_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:18:36,885 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:18:36,885 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:18:36,885 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:18:36,885 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:18:36,885 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:18:36,886 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:18:36,886 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:18:36,886 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:18:36,886 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:18:36,886 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:18:36,886 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:18:36,887 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:18:36,887 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:18:36,887 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:18:36,887 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:18:36,887 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:18:36,888 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:18:36,888 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:18:36,888 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_Barrier2_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:18:36,888 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:18:36,888 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:18:36,888 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_Barrier2_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:18:36,889 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_Barrier2_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:18:36,889 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_Barrier2_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:18:36,889 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:18:36,889 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:18:36,889 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:18:36,889 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:18:36,890 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:18:36,890 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:18:36,890 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:18:36,890 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:18:36,890 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:18:36,890 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:18:36,891 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:18:36,891 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:18:36,891 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:18:36,891 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:18:36,891 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:18:36,892 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:18:36,892 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:18:36,892 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:18:36,892 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:18:36,892 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:18:36,892 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_Barrier2_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:18:36,894 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_Barrier2_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:18:36,894 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:18:36,894 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:18:36,894 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:18:36,894 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:18:36,895 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:18:36,895 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:18:36,896 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:18:36,896 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:18:36,897 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:18:36,897 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:18:36,897 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:18:36,897 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:18:36,897 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_Barrier2_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:18:36,899 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:18:36,899 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:18:36,899 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:18:36,899 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:18:36,900 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_Barrier2_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:18:36,900 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:18:36,900 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:18:36,901 INFO L251 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2020-09-14 13:18:36,902 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-14 13:18:36,902 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-14 13:18:36,902 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-09-14 13:18:36,902 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-14 13:18:36,902 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-14 13:18:36,902 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-14 13:18:36,902 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-14 13:18:36,903 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-14 13:18:36,904 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 119 places, 123 transitions, 278 flow [2020-09-14 13:18:36,905 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 119 places, 123 transitions, 278 flow [2020-09-14 13:18:37,062 INFO L129 PetriNetUnfolder]: 17/158 cut-off events. [2020-09-14 13:18:37,062 INFO L130 PetriNetUnfolder]: For 16/16 co-relation queries the response was YES. [2020-09-14 13:18:37,063 INFO L80 FinitePrefix]: Finished finitePrefix Result has 181 conditions, 158 events. 17/158 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 519 event pairs, 0 based on Foata normal form. 0/132 useless extension candidates. Maximal degree in co-relation 131. Up to 10 conditions per place. [2020-09-14 13:18:37,073 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 119 places, 123 transitions, 278 flow [2020-09-14 13:18:37,094 INFO L129 PetriNetUnfolder]: 17/158 cut-off events. [2020-09-14 13:18:37,094 INFO L130 PetriNetUnfolder]: For 16/16 co-relation queries the response was YES. [2020-09-14 13:18:37,096 INFO L80 FinitePrefix]: Finished finitePrefix Result has 181 conditions, 158 events. 17/158 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 519 event pairs, 0 based on Foata normal form. 0/132 useless extension candidates. Maximal degree in co-relation 131. Up to 10 conditions per place. [2020-09-14 13:18:37,105 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 9800 [2020-09-14 13:18:37,105 INFO L170 etLargeBlockEncoding]: Semantic Check. [2020-09-14 13:18:39,376 INFO L206 etLargeBlockEncoding]: Checked pairs total: 64438 [2020-09-14 13:18:39,376 INFO L214 etLargeBlockEncoding]: Total number of compositions: 80 [2020-09-14 13:18:39,376 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 70 places, 67 transitions, 166 flow [2020-09-14 13:20:29,507 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 203900 states. [2020-09-14 13:20:29,507 INFO L276 IsEmpty]: Start isEmpty. Operand 203900 states. [2020-09-14 13:20:29,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-09-14 13:20:29,508 INFO L414 BasicCegarLoop]: Found error trace [2020-09-14 13:20:29,508 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1] [2020-09-14 13:20:29,508 INFO L427 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-09-14 13:20:29,508 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-14 13:20:29,509 INFO L82 PathProgramCache]: Analyzing trace with hash 1285000934, now seen corresponding path program 1 times [2020-09-14 13:20:29,509 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-14 13:20:29,509 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [381684184] [2020-09-14 13:20:29,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-14 13:20:29,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-14 13:20:29,531 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-09-14 13:20:29,532 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [381684184] [2020-09-14 13:20:29,532 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-14 13:20:29,532 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-09-14 13:20:29,532 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1547346731] [2020-09-14 13:20:29,533 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-09-14 13:20:29,533 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-14 13:20:29,533 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-09-14 13:20:29,533 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-09-14 13:20:29,533 INFO L87 Difference]: Start difference. First operand 203900 states. Second operand 2 states. [2020-09-14 13:20:30,409 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-14 13:20:30,409 INFO L93 Difference]: Finished difference Result 121384 states and 570625 transitions. [2020-09-14 13:20:30,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-09-14 13:20:30,409 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 8 [2020-09-14 13:20:30,409 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-14 13:20:31,007 INFO L225 Difference]: With dead ends: 121384 [2020-09-14 13:20:31,007 INFO L226 Difference]: Without dead ends: 121384 [2020-09-14 13:20:31,007 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-09-14 13:20:41,623 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121384 states. [2020-09-14 13:20:45,568 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121384 to 121384. [2020-09-14 13:20:45,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 121384 states. [2020-09-14 13:20:46,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121384 states to 121384 states and 570625 transitions. [2020-09-14 13:20:46,084 INFO L78 Accepts]: Start accepts. Automaton has 121384 states and 570625 transitions. Word has length 8 [2020-09-14 13:20:46,084 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-14 13:20:46,084 INFO L479 AbstractCegarLoop]: Abstraction has 121384 states and 570625 transitions. [2020-09-14 13:20:46,084 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-09-14 13:20:46,084 INFO L276 IsEmpty]: Start isEmpty. Operand 121384 states and 570625 transitions. [2020-09-14 13:20:46,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-09-14 13:20:46,086 INFO L414 BasicCegarLoop]: Found error trace [2020-09-14 13:20:46,086 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-14 13:20:46,086 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-09-14 13:20:46,086 INFO L427 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-09-14 13:20:46,086 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-14 13:20:46,086 INFO L82 PathProgramCache]: Analyzing trace with hash 607719712, now seen corresponding path program 1 times [2020-09-14 13:20:46,087 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-14 13:20:46,087 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1637833816] [2020-09-14 13:20:46,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-14 13:20:46,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-14 13:20:46,181 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-14 13:20:46,182 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1637833816] [2020-09-14 13:20:46,182 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-14 13:20:46,183 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-14 13:20:46,183 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1851397798] [2020-09-14 13:20:46,183 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-14 13:20:46,184 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-14 13:20:46,184 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-14 13:20:46,184 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-14 13:20:46,184 INFO L87 Difference]: Start difference. First operand 121384 states and 570625 transitions. Second operand 5 states. [2020-09-14 13:20:57,163 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-14 13:20:57,163 INFO L93 Difference]: Finished difference Result 300608 states and 1356769 transitions. [2020-09-14 13:20:57,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-14 13:20:57,164 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 11 [2020-09-14 13:20:57,164 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-14 13:20:58,281 INFO L225 Difference]: With dead ends: 300608 [2020-09-14 13:20:58,281 INFO L226 Difference]: Without dead ends: 300608 [2020-09-14 13:20:58,282 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-14 13:21:08,334 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 300608 states. [2020-09-14 13:21:19,590 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 300608 to 166396. [2020-09-14 13:21:19,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 166396 states. [2020-09-14 13:21:21,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166396 states to 166396 states and 771075 transitions. [2020-09-14 13:21:21,263 INFO L78 Accepts]: Start accepts. Automaton has 166396 states and 771075 transitions. Word has length 11 [2020-09-14 13:21:21,263 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-14 13:21:21,263 INFO L479 AbstractCegarLoop]: Abstraction has 166396 states and 771075 transitions. [2020-09-14 13:21:21,263 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-14 13:21:21,263 INFO L276 IsEmpty]: Start isEmpty. Operand 166396 states and 771075 transitions. [2020-09-14 13:21:21,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-09-14 13:21:21,265 INFO L414 BasicCegarLoop]: Found error trace [2020-09-14 13:21:21,265 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-14 13:21:21,265 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-09-14 13:21:21,265 INFO L427 AbstractCegarLoop]: === Iteration 3 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-09-14 13:21:21,265 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-14 13:21:21,266 INFO L82 PathProgramCache]: Analyzing trace with hash 923942098, now seen corresponding path program 1 times [2020-09-14 13:21:21,266 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-14 13:21:21,266 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1874086640] [2020-09-14 13:21:21,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-14 13:21:21,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-14 13:21:21,385 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-14 13:21:21,389 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1874086640] [2020-09-14 13:21:21,389 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-14 13:21:21,389 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-09-14 13:21:21,390 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [70251202] [2020-09-14 13:21:21,390 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-14 13:21:21,390 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-14 13:21:21,391 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-14 13:21:21,392 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-14 13:21:21,392 INFO L87 Difference]: Start difference. First operand 166396 states and 771075 transitions. Second operand 3 states. [2020-09-14 13:21:30,393 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-14 13:21:30,393 INFO L93 Difference]: Finished difference Result 244471 states and 1104180 transitions. [2020-09-14 13:21:30,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-14 13:21:30,394 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 13 [2020-09-14 13:21:30,394 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-14 13:21:31,282 INFO L225 Difference]: With dead ends: 244471 [2020-09-14 13:21:31,282 INFO L226 Difference]: Without dead ends: 244471 [2020-09-14 13:21:31,283 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-14 13:21:43,743 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 244471 states. [2020-09-14 13:21:49,158 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 244471 to 202568. [2020-09-14 13:21:49,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 202568 states. [2020-09-14 13:21:51,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202568 states to 202568 states and 922731 transitions. [2020-09-14 13:21:51,018 INFO L78 Accepts]: Start accepts. Automaton has 202568 states and 922731 transitions. Word has length 13 [2020-09-14 13:21:51,018 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-14 13:21:51,018 INFO L479 AbstractCegarLoop]: Abstraction has 202568 states and 922731 transitions. [2020-09-14 13:21:51,018 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-14 13:21:51,018 INFO L276 IsEmpty]: Start isEmpty. Operand 202568 states and 922731 transitions. [2020-09-14 13:21:51,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-09-14 13:21:51,019 INFO L414 BasicCegarLoop]: Found error trace [2020-09-14 13:21:51,019 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-14 13:21:51,019 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-09-14 13:21:51,019 INFO L427 AbstractCegarLoop]: === Iteration 4 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-09-14 13:21:51,019 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-14 13:21:51,020 INFO L82 PathProgramCache]: Analyzing trace with hash -1135848223, now seen corresponding path program 1 times [2020-09-14 13:21:51,020 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-14 13:21:51,020 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [826811904] [2020-09-14 13:21:51,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-14 13:21:51,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-14 13:21:51,096 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-09-14 13:21:51,097 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [826811904] [2020-09-14 13:21:51,097 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-14 13:21:51,097 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-14 13:21:51,098 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [470574769] [2020-09-14 13:21:51,098 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-14 13:21:51,098 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-14 13:21:51,099 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-14 13:21:51,099 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-14 13:21:51,099 INFO L87 Difference]: Start difference. First operand 202568 states and 922731 transitions. Second operand 5 states. [2020-09-14 13:22:01,531 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-14 13:22:01,531 INFO L93 Difference]: Finished difference Result 369277 states and 1633491 transitions. [2020-09-14 13:22:01,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-09-14 13:22:01,532 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 14 [2020-09-14 13:22:01,532 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-14 13:22:02,910 INFO L225 Difference]: With dead ends: 369277 [2020-09-14 13:22:02,910 INFO L226 Difference]: Without dead ends: 369277 [2020-09-14 13:22:02,911 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-09-14 13:22:17,372 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 369277 states. [2020-09-14 13:22:23,179 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 369277 to 228562. [2020-09-14 13:22:23,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 228562 states. [2020-09-14 13:22:25,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228562 states to 228562 states and 1039117 transitions. [2020-09-14 13:22:25,288 INFO L78 Accepts]: Start accepts. Automaton has 228562 states and 1039117 transitions. Word has length 14 [2020-09-14 13:22:25,288 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-14 13:22:25,288 INFO L479 AbstractCegarLoop]: Abstraction has 228562 states and 1039117 transitions. [2020-09-14 13:22:25,288 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-14 13:22:25,288 INFO L276 IsEmpty]: Start isEmpty. Operand 228562 states and 1039117 transitions. [2020-09-14 13:22:25,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-09-14 13:22:25,291 INFO L414 BasicCegarLoop]: Found error trace [2020-09-14 13:22:25,291 INFO L422 BasicCegarLoop]: trace histogram [5, 4, 1, 1, 1, 1, 1, 1] [2020-09-14 13:22:25,291 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-09-14 13:22:25,291 INFO L427 AbstractCegarLoop]: === Iteration 5 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-09-14 13:22:25,291 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-14 13:22:25,292 INFO L82 PathProgramCache]: Analyzing trace with hash -468431814, now seen corresponding path program 1 times [2020-09-14 13:22:25,292 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-14 13:22:25,292 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1965017303] [2020-09-14 13:22:25,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-14 13:22:25,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-09-14 13:22:25,315 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-09-14 13:22:25,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-09-14 13:22:25,332 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-09-14 13:22:25,340 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-09-14 13:22:25,340 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-09-14 13:22:25,341 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-09-14 13:22:25,341 WARN L363 ceAbstractionStarter]: 4 thread instances were not sufficient, I will increase this number and restart the analysis [2020-09-14 13:22:25,342 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 5 thread instances. [2020-09-14 13:22:25,352 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:22:25,352 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:22:25,353 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:22:25,353 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:22:25,353 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_Barrier2_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:22:25,353 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:22:25,353 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:22:25,353 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_Barrier2_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:22:25,353 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_Barrier2_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:22:25,361 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_Barrier2_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:22:25,362 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:22:25,362 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:22:25,362 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:22:25,362 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:22:25,362 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:22:25,362 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:22:25,363 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:22:25,363 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:22:25,363 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:22:25,363 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:22:25,363 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:22:25,363 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:22:25,363 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:22:25,364 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:22:25,365 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:22:25,366 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:22:25,366 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:22:25,366 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:22:25,366 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_Barrier2_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:22:25,366 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:22:25,366 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:22:25,367 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_Barrier2_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:22:25,367 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_Barrier2_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:22:25,367 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_Barrier2_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:22:25,367 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:22:25,367 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:22:25,367 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:22:25,367 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:22:25,369 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:22:25,369 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:22:25,369 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:22:25,370 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:22:25,370 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:22:25,370 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:22:25,370 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:22:25,370 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:22:25,370 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:22:25,371 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:22:25,371 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:22:25,371 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:22:25,371 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:22:25,371 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:22:25,371 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_Barrier2_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:22:25,371 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:22:25,372 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:22:25,372 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_Barrier2_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:22:25,372 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_Barrier2_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:22:25,372 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_Barrier2_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:22:25,372 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:22:25,372 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:22:25,373 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:22:25,373 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:22:25,373 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:22:25,373 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:22:25,373 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:22:25,373 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:22:25,373 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:22:25,374 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:22:25,374 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:22:25,374 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:22:25,374 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:22:25,374 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:22:25,374 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:22:25,374 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:22:25,375 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:22:25,375 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:22:25,375 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_Barrier2_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:22:25,375 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:22:25,375 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:22:25,375 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_Barrier2_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:22:25,375 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_Barrier2_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:22:25,375 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_Barrier2_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:22:25,375 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:22:25,375 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:22:25,375 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:22:25,376 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:22:25,376 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:22:25,376 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:22:25,376 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:22:25,376 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:22:25,376 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:22:25,376 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:22:25,376 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:22:25,376 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:22:25,376 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:22:25,377 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:22:25,377 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:22:25,377 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:22:25,377 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:22:25,377 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:22:25,377 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_Barrier2_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:22:25,377 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:22:25,377 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:22:25,377 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_Barrier2_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:22:25,377 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_Barrier2_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:22:25,378 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_Barrier2_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:22:25,378 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:22:25,378 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:22:25,378 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:22:25,378 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:22:25,378 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:22:25,378 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:22:25,378 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:22:25,378 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:22:25,378 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:22:25,378 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:22:25,379 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:22:25,379 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:22:25,379 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:22:25,379 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:22:25,379 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_Barrier2_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:22:25,380 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:22:25,380 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:22:25,380 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:22:25,380 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:22:25,380 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:22:25,380 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:22:25,382 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:22:25,382 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_Barrier2_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:22:25,383 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:22:25,383 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:22:25,383 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:22:25,383 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:22:25,383 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:22:25,384 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:22:25,385 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:22:25,385 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:22:25,385 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_Barrier2_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:22:25,385 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:22:25,385 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:22:25,385 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:22:25,387 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:22:25,387 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:22:25,387 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:22:25,387 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_Barrier2_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:22:25,387 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:22:25,387 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:22:25,388 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:22:25,389 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:22:25,389 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:22:25,389 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_Barrier2_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:22:25,389 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:22:25,389 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:22:25,390 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:22:25,390 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 13:22:25,391 INFO L251 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2020-09-14 13:22:25,391 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-14 13:22:25,391 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-14 13:22:25,392 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-09-14 13:22:25,392 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-14 13:22:25,392 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-14 13:22:25,392 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-14 13:22:25,392 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-14 13:22:25,392 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-14 13:22:25,394 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 144 places, 149 transitions, 343 flow [2020-09-14 13:22:25,394 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 144 places, 149 transitions, 343 flow [2020-09-14 13:22:25,422 INFO L129 PetriNetUnfolder]: 21/193 cut-off events. [2020-09-14 13:22:25,423 INFO L130 PetriNetUnfolder]: For 30/30 co-relation queries the response was YES. [2020-09-14 13:22:25,425 INFO L80 FinitePrefix]: Finished finitePrefix Result has 224 conditions, 193 events. 21/193 cut-off events. For 30/30 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 661 event pairs, 0 based on Foata normal form. 0/161 useless extension candidates. Maximal degree in co-relation 173. Up to 12 conditions per place. [2020-09-14 13:22:25,440 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 144 places, 149 transitions, 343 flow [2020-09-14 13:22:25,467 INFO L129 PetriNetUnfolder]: 21/193 cut-off events. [2020-09-14 13:22:25,467 INFO L130 PetriNetUnfolder]: For 30/30 co-relation queries the response was YES. [2020-09-14 13:22:25,470 INFO L80 FinitePrefix]: Finished finitePrefix Result has 224 conditions, 193 events. 21/193 cut-off events. For 30/30 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 661 event pairs, 0 based on Foata normal form. 0/161 useless extension candidates. Maximal degree in co-relation 173. Up to 12 conditions per place. [2020-09-14 13:22:25,478 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 15500 [2020-09-14 13:22:25,479 INFO L170 etLargeBlockEncoding]: Semantic Check. [2020-09-14 13:22:31,582 INFO L206 etLargeBlockEncoding]: Checked pairs total: 99040 [2020-09-14 13:22:31,582 INFO L214 etLargeBlockEncoding]: Total number of compositions: 115 [2020-09-14 13:22:31,583 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 86 places, 85 transitions, 215 flow