/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-SemanticLbe.epf -i ../../../trunk/examples/svcomp/pthread-nondet/nondet-loop-bound-variant-1.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-7bb8cbd [2020-10-16 02:36:08,594 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-16 02:36:08,597 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-16 02:36:08,634 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-16 02:36:08,634 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-16 02:36:08,643 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-16 02:36:08,645 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-16 02:36:08,649 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-16 02:36:08,651 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-16 02:36:08,654 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-16 02:36:08,655 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-16 02:36:08,656 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-16 02:36:08,656 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-16 02:36:08,659 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-16 02:36:08,661 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-16 02:36:08,662 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-16 02:36:08,664 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-16 02:36:08,664 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-16 02:36:08,666 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-16 02:36:08,673 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-16 02:36:08,676 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-16 02:36:08,676 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-16 02:36:08,677 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-16 02:36:08,680 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-16 02:36:08,692 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-10-16 02:36:08,706 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-16 02:36:08,706 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-16 02:36:08,710 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-16 02:36:08,711 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-SemanticLbe.epf [2020-10-16 02:36:08,745 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-16 02:36:08,746 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-16 02:36:08,747 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-16 02:36:08,747 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-16 02:36:08,747 INFO L138 SettingsManager]: * Use SBE=true [2020-10-16 02:36:08,748 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-16 02:36:08,748 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-16 02:36:08,748 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-16 02:36:08,748 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-16 02:36:08,749 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-16 02:36:08,750 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-16 02:36:08,750 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-16 02:36:08,750 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-16 02:36:08,750 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-16 02:36:08,751 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-16 02:36:08,751 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-16 02:36:08,751 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-16 02:36:08,752 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-16 02:36:08,752 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-16 02:36:08,752 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-16 02:36:08,752 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-16 02:36:08,753 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-16 02:36:08,753 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-16 02:36:08,753 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-16 02:36:08,753 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-16 02:36:08,753 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-16 02:36:08,754 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-16 02:36:08,754 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2020-10-16 02:36:08,754 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-16 02:36:09,056 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-16 02:36:09,068 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-16 02:36:09,072 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-16 02:36:09,073 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-16 02:36:09,073 INFO L275 PluginConnector]: CDTParser initialized [2020-10-16 02:36:09,074 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-nondet/nondet-loop-bound-variant-1.i [2020-10-16 02:36:09,144 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/becd3c421/11f8f60284c8438f80e21194eb2afa58/FLAGeea9bf513 [2020-10-16 02:36:09,652 INFO L306 CDTParser]: Found 1 translation units. [2020-10-16 02:36:09,653 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-nondet/nondet-loop-bound-variant-1.i [2020-10-16 02:36:09,666 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/becd3c421/11f8f60284c8438f80e21194eb2afa58/FLAGeea9bf513 [2020-10-16 02:36:10,014 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/becd3c421/11f8f60284c8438f80e21194eb2afa58 [2020-10-16 02:36:10,024 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-16 02:36:10,026 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-16 02:36:10,027 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-16 02:36:10,028 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-16 02:36:10,031 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-16 02:36:10,032 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 02:36:10" (1/1) ... [2020-10-16 02:36:10,034 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c285691 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:36:10, skipping insertion in model container [2020-10-16 02:36:10,035 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 02:36:10" (1/1) ... [2020-10-16 02:36:10,042 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-16 02:36:10,082 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-16 02:36:10,515 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-16 02:36:10,535 INFO L203 MainTranslator]: Completed pre-run [2020-10-16 02:36:10,597 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-16 02:36:10,671 INFO L208 MainTranslator]: Completed translation [2020-10-16 02:36:10,672 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:36:10 WrapperNode [2020-10-16 02:36:10,672 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-16 02:36:10,673 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-16 02:36:10,673 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-16 02:36:10,673 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-16 02:36:10,681 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:36:10" (1/1) ... [2020-10-16 02:36:10,697 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:36:10" (1/1) ... [2020-10-16 02:36:10,725 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-16 02:36:10,725 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-16 02:36:10,725 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-16 02:36:10,725 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-16 02:36:10,734 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:36:10" (1/1) ... [2020-10-16 02:36:10,735 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:36:10" (1/1) ... [2020-10-16 02:36:10,740 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:36:10" (1/1) ... [2020-10-16 02:36:10,740 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:36:10" (1/1) ... [2020-10-16 02:36:10,746 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:36:10" (1/1) ... [2020-10-16 02:36:10,751 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:36:10" (1/1) ... [2020-10-16 02:36:10,753 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:36:10" (1/1) ... [2020-10-16 02:36:10,756 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-16 02:36:10,757 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-16 02:36:10,757 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-16 02:36:10,757 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-16 02:36:10,758 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:36:10" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-16 02:36:10,827 INFO L130 BoogieDeclarations]: Found specification of procedure thr2 [2020-10-16 02:36:10,827 INFO L138 BoogieDeclarations]: Found implementation of procedure thr2 [2020-10-16 02:36:10,828 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2020-10-16 02:36:10,828 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2020-10-16 02:36:10,828 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-16 02:36:10,828 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2020-10-16 02:36:10,828 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-16 02:36:10,828 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-16 02:36:10,829 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-16 02:36:10,829 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-16 02:36:10,829 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-16 02:36:10,831 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-10-16 02:36:11,196 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-16 02:36:11,196 INFO L298 CfgBuilder]: Removed 11 assume(true) statements. [2020-10-16 02:36:11,198 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 02:36:11 BoogieIcfgContainer [2020-10-16 02:36:11,198 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-16 02:36:11,199 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-16 02:36:11,199 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-16 02:36:11,203 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-16 02:36:11,203 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 02:36:10" (1/3) ... [2020-10-16 02:36:11,204 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7776aaa7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 02:36:11, skipping insertion in model container [2020-10-16 02:36:11,204 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:36:10" (2/3) ... [2020-10-16 02:36:11,204 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7776aaa7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 02:36:11, skipping insertion in model container [2020-10-16 02:36:11,204 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 02:36:11" (3/3) ... [2020-10-16 02:36:11,206 INFO L111 eAbstractionObserver]: Analyzing ICFG nondet-loop-bound-variant-1.i [2020-10-16 02:36:11,217 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-16 02:36:11,224 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-16 02:36:11,225 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-16 02:36:11,267 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:11,267 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:11,267 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:11,268 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:11,268 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:11,269 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:11,269 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:11,270 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:11,270 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:11,271 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:11,271 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:11,271 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:11,271 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:11,271 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:11,272 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:11,272 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:11,273 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:11,273 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:11,273 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:11,274 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:11,274 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:11,275 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:11,275 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:11,275 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:11,275 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:11,276 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:11,276 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:11,277 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:11,277 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:11,277 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:11,277 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:11,286 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:11,286 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:11,287 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:11,287 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:11,287 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:11,287 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:11,287 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:11,288 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:11,288 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:11,289 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:11,295 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:11,295 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:11,295 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:11,296 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:11,296 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:11,296 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:11,314 INFO L253 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2020-10-16 02:36:11,332 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-16 02:36:11,333 INFO L378 AbstractCegarLoop]: Hoare is false [2020-10-16 02:36:11,333 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-16 02:36:11,333 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-16 02:36:11,333 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-16 02:36:11,333 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-16 02:36:11,333 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-16 02:36:11,333 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-16 02:36:11,345 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 77 places, 76 transitions, 162 flow [2020-10-16 02:36:11,391 INFO L129 PetriNetUnfolder]: 6/86 cut-off events. [2020-10-16 02:36:11,391 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-16 02:36:11,398 INFO L80 FinitePrefix]: Finished finitePrefix Result has 94 conditions, 86 events. 6/86 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 116 event pairs, 0 based on Foata normal form. 0/77 useless extension candidates. Maximal degree in co-relation 60. Up to 4 conditions per place. [2020-10-16 02:36:11,398 INFO L82 GeneralOperation]: Start removeDead. Operand has 77 places, 76 transitions, 162 flow [2020-10-16 02:36:11,404 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 76 places, 75 transitions, 158 flow [2020-10-16 02:36:11,406 INFO L129 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-10-16 02:36:11,409 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 76 places, 75 transitions, 158 flow [2020-10-16 02:36:11,412 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 76 places, 75 transitions, 158 flow [2020-10-16 02:36:11,412 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 76 places, 75 transitions, 158 flow [2020-10-16 02:36:11,438 INFO L129 PetriNetUnfolder]: 6/86 cut-off events. [2020-10-16 02:36:11,439 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-16 02:36:11,440 INFO L80 FinitePrefix]: Finished finitePrefix Result has 94 conditions, 86 events. 6/86 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 113 event pairs, 0 based on Foata normal form. 0/77 useless extension candidates. Maximal degree in co-relation 60. Up to 4 conditions per place. [2020-10-16 02:36:11,443 INFO L117 LiptonReduction]: Number of co-enabled transitions 1242 [2020-10-16 02:36:13,323 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 78 [2020-10-16 02:36:14,146 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 100 [2020-10-16 02:36:14,282 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2020-10-16 02:36:14,321 INFO L132 LiptonReduction]: Checked pairs total: 1210 [2020-10-16 02:36:14,322 INFO L134 LiptonReduction]: Total number of compositions: 86 [2020-10-16 02:36:14,324 INFO L182 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2920 [2020-10-16 02:36:14,329 INFO L129 PetriNetUnfolder]: 0/2 cut-off events. [2020-10-16 02:36:14,329 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-16 02:36:14,329 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 02:36:14,330 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2020-10-16 02:36:14,331 INFO L429 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-10-16 02:36:14,336 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 02:36:14,336 INFO L82 PathProgramCache]: Analyzing trace with hash 317060, now seen corresponding path program 1 times [2020-10-16 02:36:14,345 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 02:36:14,346 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [215500636] [2020-10-16 02:36:14,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 02:36:14,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 02:36:14,549 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 02:36:14,550 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [215500636] [2020-10-16 02:36:14,551 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 02:36:14,551 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-16 02:36:14,552 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1278914822] [2020-10-16 02:36:14,561 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-16 02:36:14,562 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 02:36:14,576 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-16 02:36:14,578 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 02:36:14,581 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 91 out of 162 [2020-10-16 02:36:14,583 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 17 places, 11 transitions, 30 flow. Second operand 3 states. [2020-10-16 02:36:14,583 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 02:36:14,583 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 91 of 162 [2020-10-16 02:36:14,585 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 02:36:14,621 INFO L129 PetriNetUnfolder]: 13/37 cut-off events. [2020-10-16 02:36:14,622 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-16 02:36:14,622 INFO L80 FinitePrefix]: Finished finitePrefix Result has 78 conditions, 37 events. 13/37 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 101 event pairs, 4 based on Foata normal form. 0/24 useless extension candidates. Maximal degree in co-relation 69. Up to 19 conditions per place. [2020-10-16 02:36:14,624 INFO L132 encePairwiseOnDemand]: 159/162 looper letters, 7 selfloop transitions, 2 changer transitions 0/14 dead transitions. [2020-10-16 02:36:14,624 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 19 places, 14 transitions, 54 flow [2020-10-16 02:36:14,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-16 02:36:14,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-10-16 02:36:14,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 283 transitions. [2020-10-16 02:36:14,640 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.5823045267489712 [2020-10-16 02:36:14,641 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 283 transitions. [2020-10-16 02:36:14,641 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 283 transitions. [2020-10-16 02:36:14,643 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 02:36:14,646 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 283 transitions. [2020-10-16 02:36:14,649 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 4 states. [2020-10-16 02:36:14,656 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 4 states. [2020-10-16 02:36:14,656 INFO L81 ComplementDD]: Finished complementDD. Result 4 states. [2020-10-16 02:36:14,659 INFO L185 Difference]: Start difference. First operand has 17 places, 11 transitions, 30 flow. Second operand 3 states and 283 transitions. [2020-10-16 02:36:14,660 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 19 places, 14 transitions, 54 flow [2020-10-16 02:36:14,662 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 18 places, 14 transitions, 53 flow, removed 0 selfloop flow, removed 1 redundant places. [2020-10-16 02:36:14,664 INFO L241 Difference]: Finished difference. Result has 19 places, 11 transitions, 37 flow [2020-10-16 02:36:14,667 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=162, PETRI_DIFFERENCE_MINUEND_FLOW=29, PETRI_DIFFERENCE_MINUEND_PLACES=16, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=11, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=9, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=37, PETRI_PLACES=19, PETRI_TRANSITIONS=11} [2020-10-16 02:36:14,667 INFO L342 CegarLoopForPetriNet]: 17 programPoint places, 2 predicate places. [2020-10-16 02:36:14,668 INFO L481 AbstractCegarLoop]: Abstraction has has 19 places, 11 transitions, 37 flow [2020-10-16 02:36:14,668 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-16 02:36:14,668 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 02:36:14,668 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2020-10-16 02:36:14,668 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-16 02:36:14,669 INFO L429 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-10-16 02:36:14,669 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 02:36:14,669 INFO L82 PathProgramCache]: Analyzing trace with hash 720661308, now seen corresponding path program 1 times [2020-10-16 02:36:14,669 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 02:36:14,670 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [7043479] [2020-10-16 02:36:14,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 02:36:14,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 02:36:14,773 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 02:36:14,773 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [7043479] [2020-10-16 02:36:14,774 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 02:36:14,774 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-16 02:36:14,774 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [652448995] [2020-10-16 02:36:14,776 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-16 02:36:14,776 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 02:36:14,776 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-16 02:36:14,777 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-16 02:36:14,778 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 91 out of 162 [2020-10-16 02:36:14,779 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 19 places, 11 transitions, 37 flow. Second operand 4 states. [2020-10-16 02:36:14,779 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 02:36:14,779 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 91 of 162 [2020-10-16 02:36:14,779 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 02:36:14,806 INFO L129 PetriNetUnfolder]: 11/32 cut-off events. [2020-10-16 02:36:14,807 INFO L130 PetriNetUnfolder]: For 6/6 co-relation queries the response was YES. [2020-10-16 02:36:14,807 INFO L80 FinitePrefix]: Finished finitePrefix Result has 82 conditions, 32 events. 11/32 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 83 event pairs, 4 based on Foata normal form. 3/26 useless extension candidates. Maximal degree in co-relation 71. Up to 14 conditions per place. [2020-10-16 02:36:14,808 INFO L132 encePairwiseOnDemand]: 159/162 looper letters, 4 selfloop transitions, 2 changer transitions 2/13 dead transitions. [2020-10-16 02:36:14,808 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 21 places, 13 transitions, 55 flow [2020-10-16 02:36:14,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-16 02:36:14,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-10-16 02:36:14,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 373 transitions. [2020-10-16 02:36:14,812 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.5756172839506173 [2020-10-16 02:36:14,812 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 373 transitions. [2020-10-16 02:36:14,812 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 373 transitions. [2020-10-16 02:36:14,813 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 02:36:14,813 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 373 transitions. [2020-10-16 02:36:14,814 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 5 states. [2020-10-16 02:36:14,816 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 5 states. [2020-10-16 02:36:14,817 INFO L81 ComplementDD]: Finished complementDD. Result 5 states. [2020-10-16 02:36:14,817 INFO L185 Difference]: Start difference. First operand has 19 places, 11 transitions, 37 flow. Second operand 4 states and 373 transitions. [2020-10-16 02:36:14,817 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 21 places, 13 transitions, 55 flow [2020-10-16 02:36:14,817 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 18 places, 13 transitions, 49 flow, removed 0 selfloop flow, removed 3 redundant places. [2020-10-16 02:36:14,818 INFO L241 Difference]: Finished difference. Result has 18 places, 9 transitions, 29 flow [2020-10-16 02:36:14,818 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=162, PETRI_DIFFERENCE_MINUEND_FLOW=27, PETRI_DIFFERENCE_MINUEND_PLACES=15, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=10, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=8, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=29, PETRI_PLACES=18, PETRI_TRANSITIONS=9} [2020-10-16 02:36:14,819 INFO L342 CegarLoopForPetriNet]: 17 programPoint places, 1 predicate places. [2020-10-16 02:36:14,819 INFO L481 AbstractCegarLoop]: Abstraction has has 18 places, 9 transitions, 29 flow [2020-10-16 02:36:14,819 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-16 02:36:14,819 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 02:36:14,819 INFO L255 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1] [2020-10-16 02:36:14,820 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-16 02:36:14,820 INFO L429 AbstractCegarLoop]: === Iteration 3 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-10-16 02:36:14,820 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 02:36:14,820 INFO L82 PathProgramCache]: Analyzing trace with hash 865633674, now seen corresponding path program 1 times [2020-10-16 02:36:14,821 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 02:36:14,821 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [696702585] [2020-10-16 02:36:14,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 02:36:14,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-16 02:36:14,843 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-16 02:36:14,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-16 02:36:14,860 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-16 02:36:14,900 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-16 02:36:14,900 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-16 02:36:14,901 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-16 02:36:14,901 WARN L264 etLargeBlockEncoding]: Failed to translate choice composition: Branch encoders not available. [2020-10-16 02:36:14,902 WARN L371 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2020-10-16 02:36:14,902 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2020-10-16 02:36:14,911 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:14,911 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:14,911 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:14,911 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:14,911 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:14,912 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:14,912 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:14,912 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:14,912 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:14,912 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:14,913 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:14,913 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:14,913 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:14,913 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:14,913 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:14,913 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:14,914 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:14,914 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:14,914 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:14,914 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:14,914 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:14,915 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:14,915 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:14,915 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:14,915 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:14,915 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:14,916 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:14,916 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:14,916 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:14,916 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:14,916 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:14,916 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:14,917 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:14,917 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:14,917 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:14,917 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:14,917 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:14,918 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:14,918 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:14,918 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:14,918 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:14,918 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:14,919 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:14,919 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:14,919 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:14,919 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:14,920 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:14,920 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:14,920 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:14,920 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:14,921 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:14,921 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:14,921 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:14,921 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:14,921 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:14,922 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:14,922 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:14,922 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:14,922 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:14,922 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:14,923 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:14,923 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:14,923 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:14,924 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:14,924 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:14,924 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:14,924 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:14,924 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:14,924 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:14,925 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:14,925 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:14,925 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:14,926 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:14,927 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:14,927 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:14,927 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:14,927 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:14,927 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:14,927 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:14,928 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:14,928 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:14,928 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:14,929 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:14,929 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:14,930 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:14,930 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:14,930 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:14,930 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:14,931 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:14,931 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:14,931 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:14,932 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:14,932 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:14,932 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:14,933 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-16 02:36:14,933 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-16 02:36:14,934 INFO L378 AbstractCegarLoop]: Hoare is false [2020-10-16 02:36:14,934 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-16 02:36:14,934 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-16 02:36:14,934 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-16 02:36:14,934 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-16 02:36:14,934 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-16 02:36:14,934 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-16 02:36:14,937 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 107 places, 105 transitions, 234 flow [2020-10-16 02:36:14,961 INFO L129 PetriNetUnfolder]: 9/120 cut-off events. [2020-10-16 02:36:14,961 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2020-10-16 02:36:14,963 INFO L80 FinitePrefix]: Finished finitePrefix Result has 134 conditions, 120 events. 9/120 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 225 event pairs, 0 based on Foata normal form. 0/107 useless extension candidates. Maximal degree in co-relation 129. Up to 6 conditions per place. [2020-10-16 02:36:14,963 INFO L82 GeneralOperation]: Start removeDead. Operand has 107 places, 105 transitions, 234 flow [2020-10-16 02:36:14,970 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 95 places, 94 transitions, 203 flow [2020-10-16 02:36:14,970 INFO L129 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-10-16 02:36:14,970 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 95 places, 94 transitions, 203 flow [2020-10-16 02:36:14,970 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 95 places, 94 transitions, 203 flow [2020-10-16 02:36:14,971 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 95 places, 94 transitions, 203 flow [2020-10-16 02:36:15,001 INFO L129 PetriNetUnfolder]: 9/120 cut-off events. [2020-10-16 02:36:15,002 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2020-10-16 02:36:15,003 INFO L80 FinitePrefix]: Finished finitePrefix Result has 133 conditions, 120 events. 9/120 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 219 event pairs, 0 based on Foata normal form. 0/107 useless extension candidates. Maximal degree in co-relation 98. Up to 6 conditions per place. [2020-10-16 02:36:15,007 INFO L117 LiptonReduction]: Number of co-enabled transitions 2844 [2020-10-16 02:36:16,677 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 53 [2020-10-16 02:36:17,509 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 104 [2020-10-16 02:36:17,727 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 92 [2020-10-16 02:36:17,732 INFO L132 LiptonReduction]: Checked pairs total: 3948 [2020-10-16 02:36:17,732 INFO L134 LiptonReduction]: Total number of compositions: 91 [2020-10-16 02:36:17,733 INFO L182 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2763 [2020-10-16 02:36:17,734 INFO L129 PetriNetUnfolder]: 0/2 cut-off events. [2020-10-16 02:36:17,734 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-16 02:36:17,734 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 02:36:17,734 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2020-10-16 02:36:17,735 INFO L429 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 02:36:17,735 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 02:36:17,735 INFO L82 PathProgramCache]: Analyzing trace with hash 540308, now seen corresponding path program 1 times [2020-10-16 02:36:17,735 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 02:36:17,735 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [971307867] [2020-10-16 02:36:17,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 02:36:17,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 02:36:17,773 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 02:36:17,773 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [971307867] [2020-10-16 02:36:17,773 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 02:36:17,774 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-16 02:36:17,774 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [343746332] [2020-10-16 02:36:17,774 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-16 02:36:17,774 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 02:36:17,774 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-16 02:36:17,775 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 02:36:17,776 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 134 out of 196 [2020-10-16 02:36:17,776 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 28 places, 23 transitions, 61 flow. Second operand 3 states. [2020-10-16 02:36:17,777 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 02:36:17,777 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 134 of 196 [2020-10-16 02:36:17,777 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 02:36:17,866 INFO L129 PetriNetUnfolder]: 232/416 cut-off events. [2020-10-16 02:36:17,867 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2020-10-16 02:36:17,868 INFO L80 FinitePrefix]: Finished finitePrefix Result has 786 conditions, 416 events. 232/416 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 59. Compared 2207 event pairs, 101 based on Foata normal form. 30/308 useless extension candidates. Maximal degree in co-relation 776. Up to 189 conditions per place. [2020-10-16 02:36:17,871 INFO L132 encePairwiseOnDemand]: 191/196 looper letters, 17 selfloop transitions, 3 changer transitions 0/31 dead transitions. [2020-10-16 02:36:17,871 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 30 places, 31 transitions, 117 flow [2020-10-16 02:36:17,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-16 02:36:17,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-10-16 02:36:17,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 425 transitions. [2020-10-16 02:36:17,874 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.7227891156462585 [2020-10-16 02:36:17,874 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 425 transitions. [2020-10-16 02:36:17,874 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 425 transitions. [2020-10-16 02:36:17,875 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 02:36:17,875 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 425 transitions. [2020-10-16 02:36:17,876 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 4 states. [2020-10-16 02:36:17,878 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 4 states. [2020-10-16 02:36:17,878 INFO L81 ComplementDD]: Finished complementDD. Result 4 states. [2020-10-16 02:36:17,878 INFO L185 Difference]: Start difference. First operand has 28 places, 23 transitions, 61 flow. Second operand 3 states and 425 transitions. [2020-10-16 02:36:17,878 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 30 places, 31 transitions, 117 flow [2020-10-16 02:36:17,879 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 29 places, 31 transitions, 114 flow, removed 1 selfloop flow, removed 1 redundant places. [2020-10-16 02:36:17,880 INFO L241 Difference]: Finished difference. Result has 30 places, 24 transitions, 75 flow [2020-10-16 02:36:17,880 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=196, PETRI_DIFFERENCE_MINUEND_FLOW=56, PETRI_DIFFERENCE_MINUEND_PLACES=27, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=22, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=19, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=75, PETRI_PLACES=30, PETRI_TRANSITIONS=24} [2020-10-16 02:36:17,880 INFO L342 CegarLoopForPetriNet]: 28 programPoint places, 2 predicate places. [2020-10-16 02:36:17,880 INFO L481 AbstractCegarLoop]: Abstraction has has 30 places, 24 transitions, 75 flow [2020-10-16 02:36:17,880 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-16 02:36:17,881 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 02:36:17,881 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 02:36:17,881 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-16 02:36:17,881 INFO L429 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 02:36:17,881 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 02:36:17,882 INFO L82 PathProgramCache]: Analyzing trace with hash 352870369, now seen corresponding path program 1 times [2020-10-16 02:36:17,882 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 02:36:17,882 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2074626064] [2020-10-16 02:36:17,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 02:36:17,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 02:36:17,932 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 02:36:17,932 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2074626064] [2020-10-16 02:36:17,933 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 02:36:17,933 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-16 02:36:17,933 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2015363801] [2020-10-16 02:36:17,933 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-16 02:36:17,934 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 02:36:17,934 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-16 02:36:17,934 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-16 02:36:17,935 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 126 out of 196 [2020-10-16 02:36:17,936 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 30 places, 24 transitions, 75 flow. Second operand 5 states. [2020-10-16 02:36:17,936 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 02:36:17,936 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 126 of 196 [2020-10-16 02:36:17,936 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 02:36:18,136 INFO L129 PetriNetUnfolder]: 294/568 cut-off events. [2020-10-16 02:36:18,137 INFO L130 PetriNetUnfolder]: For 23/23 co-relation queries the response was YES. [2020-10-16 02:36:18,138 INFO L80 FinitePrefix]: Finished finitePrefix Result has 1211 conditions, 568 events. 294/568 cut-off events. For 23/23 co-relation queries the response was YES. Maximal size of possible extension queue 89. Compared 3381 event pairs, 69 based on Foata normal form. 14/507 useless extension candidates. Maximal degree in co-relation 1199. Up to 122 conditions per place. [2020-10-16 02:36:18,144 INFO L132 encePairwiseOnDemand]: 191/196 looper letters, 31 selfloop transitions, 7 changer transitions 0/47 dead transitions. [2020-10-16 02:36:18,144 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 35 places, 47 transitions, 204 flow [2020-10-16 02:36:18,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-16 02:36:18,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-10-16 02:36:18,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 795 transitions. [2020-10-16 02:36:18,147 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.6760204081632653 [2020-10-16 02:36:18,148 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 795 transitions. [2020-10-16 02:36:18,148 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 795 transitions. [2020-10-16 02:36:18,149 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 02:36:18,149 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 795 transitions. [2020-10-16 02:36:18,150 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 7 states. [2020-10-16 02:36:18,152 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 7 states. [2020-10-16 02:36:18,153 INFO L81 ComplementDD]: Finished complementDD. Result 7 states. [2020-10-16 02:36:18,153 INFO L185 Difference]: Start difference. First operand has 30 places, 24 transitions, 75 flow. Second operand 6 states and 795 transitions. [2020-10-16 02:36:18,153 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 35 places, 47 transitions, 204 flow [2020-10-16 02:36:18,155 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 34 places, 47 transitions, 200 flow, removed 0 selfloop flow, removed 1 redundant places. [2020-10-16 02:36:18,156 INFO L241 Difference]: Finished difference. Result has 37 places, 27 transitions, 111 flow [2020-10-16 02:36:18,156 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=196, PETRI_DIFFERENCE_MINUEND_FLOW=72, PETRI_DIFFERENCE_MINUEND_PLACES=29, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=24, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=18, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=111, PETRI_PLACES=37, PETRI_TRANSITIONS=27} [2020-10-16 02:36:18,156 INFO L342 CegarLoopForPetriNet]: 28 programPoint places, 9 predicate places. [2020-10-16 02:36:18,157 INFO L481 AbstractCegarLoop]: Abstraction has has 37 places, 27 transitions, 111 flow [2020-10-16 02:36:18,157 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-16 02:36:18,157 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 02:36:18,157 INFO L255 CegarLoopForPetriNet]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1] [2020-10-16 02:36:18,157 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-16 02:36:18,157 INFO L429 AbstractCegarLoop]: === Iteration 3 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 02:36:18,158 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 02:36:18,158 INFO L82 PathProgramCache]: Analyzing trace with hash -856951799, now seen corresponding path program 1 times [2020-10-16 02:36:18,158 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 02:36:18,158 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2010687649] [2020-10-16 02:36:18,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 02:36:18,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-16 02:36:18,211 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-16 02:36:18,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-16 02:36:18,239 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-16 02:36:18,249 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-16 02:36:18,254 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-16 02:36:18,254 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-16 02:36:18,255 WARN L264 etLargeBlockEncoding]: Failed to translate choice composition: Branch encoders not available. [2020-10-16 02:36:18,256 WARN L371 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2020-10-16 02:36:18,257 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2020-10-16 02:36:18,279 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:18,279 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:18,279 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:18,279 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:18,280 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:18,280 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:18,280 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:18,280 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:18,281 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:18,281 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:18,281 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:18,281 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:18,282 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:18,282 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:18,282 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:18,282 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:18,283 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:18,283 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:18,283 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:18,283 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:18,284 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:18,284 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:18,284 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:18,284 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:18,285 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:18,285 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:18,285 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:18,285 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:18,286 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:18,286 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:18,286 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:18,286 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:18,286 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:18,287 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:18,287 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:18,287 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:18,287 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:18,287 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:18,287 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:18,288 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:18,288 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:18,288 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:18,288 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:18,288 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:18,288 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:18,289 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:18,289 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:18,289 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:18,289 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:18,289 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:18,289 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:18,290 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:18,290 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:18,290 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:18,290 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:18,290 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:18,290 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:18,290 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:18,291 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:18,291 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:18,291 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:18,291 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:18,291 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:18,296 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:18,297 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:18,297 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:18,298 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:18,298 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:18,298 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:18,298 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:18,298 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:18,298 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:18,299 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:18,300 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:18,301 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:18,301 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:18,301 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:18,302 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:18,302 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:18,302 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:18,302 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:18,303 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:18,303 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:18,304 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:18,304 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:18,304 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:18,304 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:18,305 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:18,305 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:18,305 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:18,305 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:18,305 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:18,306 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:18,306 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:18,306 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:18,307 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:18,307 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:18,307 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:18,307 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:18,307 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:18,308 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:18,308 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:18,308 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:18,309 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:18,309 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:18,310 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:18,310 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:18,310 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:18,310 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:18,311 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:18,311 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:18,311 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:18,311 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:18,313 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:18,313 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:18,313 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:18,313 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:18,314 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:18,314 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:18,314 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:18,314 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:18,315 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:18,315 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:18,317 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:18,317 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:18,317 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:18,317 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:18,317 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:18,318 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:18,321 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:18,321 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:18,322 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:18,322 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:18,322 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:18,323 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:18,324 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:18,324 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:18,325 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:18,325 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:18,325 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:18,325 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:18,326 INFO L253 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2020-10-16 02:36:18,327 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-16 02:36:18,327 INFO L378 AbstractCegarLoop]: Hoare is false [2020-10-16 02:36:18,327 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-16 02:36:18,327 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-16 02:36:18,327 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-16 02:36:18,327 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-16 02:36:18,327 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-16 02:36:18,328 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-16 02:36:18,331 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 137 places, 134 transitions, 310 flow [2020-10-16 02:36:18,356 INFO L129 PetriNetUnfolder]: 12/154 cut-off events. [2020-10-16 02:36:18,356 INFO L130 PetriNetUnfolder]: For 7/7 co-relation queries the response was YES. [2020-10-16 02:36:18,358 INFO L80 FinitePrefix]: Finished finitePrefix Result has 175 conditions, 154 events. 12/154 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 319 event pairs, 0 based on Foata normal form. 0/137 useless extension candidates. Maximal degree in co-relation 168. Up to 8 conditions per place. [2020-10-16 02:36:18,359 INFO L82 GeneralOperation]: Start removeDead. Operand has 137 places, 134 transitions, 310 flow [2020-10-16 02:36:18,360 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 114 places, 113 transitions, 250 flow [2020-10-16 02:36:18,360 INFO L129 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-10-16 02:36:18,360 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 114 places, 113 transitions, 250 flow [2020-10-16 02:36:18,361 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 114 places, 113 transitions, 250 flow [2020-10-16 02:36:18,361 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 114 places, 113 transitions, 250 flow [2020-10-16 02:36:18,376 INFO L129 PetriNetUnfolder]: 12/154 cut-off events. [2020-10-16 02:36:18,377 INFO L130 PetriNetUnfolder]: For 7/7 co-relation queries the response was YES. [2020-10-16 02:36:18,378 INFO L80 FinitePrefix]: Finished finitePrefix Result has 173 conditions, 154 events. 12/154 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 323 event pairs, 0 based on Foata normal form. 0/137 useless extension candidates. Maximal degree in co-relation 137. Up to 8 conditions per place. [2020-10-16 02:36:18,384 INFO L117 LiptonReduction]: Number of co-enabled transitions 5130 [2020-10-16 02:36:20,974 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 82 [2020-10-16 02:36:21,122 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 78 [2020-10-16 02:36:21,427 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 100 [2020-10-16 02:36:21,535 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2020-10-16 02:36:21,542 INFO L132 LiptonReduction]: Checked pairs total: 8097 [2020-10-16 02:36:21,543 INFO L134 LiptonReduction]: Total number of compositions: 105 [2020-10-16 02:36:21,543 INFO L182 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 3183 [2020-10-16 02:36:21,544 INFO L129 PetriNetUnfolder]: 0/3 cut-off events. [2020-10-16 02:36:21,544 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-16 02:36:21,545 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 02:36:21,545 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2020-10-16 02:36:21,545 INFO L429 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 02:36:21,545 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 02:36:21,545 INFO L82 PathProgramCache]: Analyzing trace with hash 805963, now seen corresponding path program 1 times [2020-10-16 02:36:21,545 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 02:36:21,546 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [989652517] [2020-10-16 02:36:21,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 02:36:21,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 02:36:21,573 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 02:36:21,574 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [989652517] [2020-10-16 02:36:21,574 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 02:36:21,574 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-16 02:36:21,574 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2110959984] [2020-10-16 02:36:21,575 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-16 02:36:21,575 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 02:36:21,577 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-16 02:36:21,577 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 02:36:21,578 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 162 out of 239 [2020-10-16 02:36:21,579 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 36 places, 30 transitions, 84 flow. Second operand 3 states. [2020-10-16 02:36:21,579 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 02:36:21,579 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 162 of 239 [2020-10-16 02:36:21,579 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 02:36:21,796 INFO L129 PetriNetUnfolder]: 1332/2109 cut-off events. [2020-10-16 02:36:21,797 INFO L130 PetriNetUnfolder]: For 7/7 co-relation queries the response was YES. [2020-10-16 02:36:21,803 INFO L80 FinitePrefix]: Finished finitePrefix Result has 3908 conditions, 2109 events. 1332/2109 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 209. Compared 12845 event pairs, 445 based on Foata normal form. 123/1561 useless extension candidates. Maximal degree in co-relation 3897. Up to 1132 conditions per place. [2020-10-16 02:36:21,819 INFO L132 encePairwiseOnDemand]: 233/239 looper letters, 22 selfloop transitions, 4 changer transitions 0/41 dead transitions. [2020-10-16 02:36:21,819 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 38 places, 41 transitions, 158 flow [2020-10-16 02:36:21,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-16 02:36:21,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-10-16 02:36:21,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 515 transitions. [2020-10-16 02:36:21,822 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.7182705718270572 [2020-10-16 02:36:21,822 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 515 transitions. [2020-10-16 02:36:21,822 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 515 transitions. [2020-10-16 02:36:21,823 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 02:36:21,823 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 515 transitions. [2020-10-16 02:36:21,824 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 4 states. [2020-10-16 02:36:21,826 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 4 states. [2020-10-16 02:36:21,826 INFO L81 ComplementDD]: Finished complementDD. Result 4 states. [2020-10-16 02:36:21,826 INFO L185 Difference]: Start difference. First operand has 36 places, 30 transitions, 84 flow. Second operand 3 states and 515 transitions. [2020-10-16 02:36:21,826 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 38 places, 41 transitions, 158 flow [2020-10-16 02:36:21,827 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 37 places, 41 transitions, 151 flow, removed 3 selfloop flow, removed 1 redundant places. [2020-10-16 02:36:21,829 INFO L241 Difference]: Finished difference. Result has 38 places, 32 transitions, 101 flow [2020-10-16 02:36:21,829 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=239, PETRI_DIFFERENCE_MINUEND_FLOW=75, PETRI_DIFFERENCE_MINUEND_PLACES=35, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=29, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=25, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=101, PETRI_PLACES=38, PETRI_TRANSITIONS=32} [2020-10-16 02:36:21,829 INFO L342 CegarLoopForPetriNet]: 36 programPoint places, 2 predicate places. [2020-10-16 02:36:21,829 INFO L481 AbstractCegarLoop]: Abstraction has has 38 places, 32 transitions, 101 flow [2020-10-16 02:36:21,829 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-16 02:36:21,830 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 02:36:21,830 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 02:36:21,830 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-16 02:36:21,830 INFO L429 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 02:36:21,830 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 02:36:21,831 INFO L82 PathProgramCache]: Analyzing trace with hash -1413719848, now seen corresponding path program 1 times [2020-10-16 02:36:21,831 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 02:36:21,831 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [71998725] [2020-10-16 02:36:21,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 02:36:21,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 02:36:21,892 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 02:36:21,892 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [71998725] [2020-10-16 02:36:21,892 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 02:36:21,892 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-16 02:36:21,893 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2126165754] [2020-10-16 02:36:21,893 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-16 02:36:21,893 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 02:36:21,894 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-16 02:36:21,894 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-16 02:36:21,895 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 154 out of 239 [2020-10-16 02:36:21,896 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 38 places, 32 transitions, 101 flow. Second operand 5 states. [2020-10-16 02:36:21,897 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 02:36:21,897 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 154 of 239 [2020-10-16 02:36:21,897 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 02:36:22,322 INFO L129 PetriNetUnfolder]: 2021/3323 cut-off events. [2020-10-16 02:36:22,322 INFO L130 PetriNetUnfolder]: For 201/201 co-relation queries the response was YES. [2020-10-16 02:36:22,331 INFO L80 FinitePrefix]: Finished finitePrefix Result has 7099 conditions, 3323 events. 2021/3323 cut-off events. For 201/201 co-relation queries the response was YES. Maximal size of possible extension queue 350. Compared 23287 event pairs, 349 based on Foata normal form. 46/2866 useless extension candidates. Maximal degree in co-relation 7086. Up to 969 conditions per place. [2020-10-16 02:36:22,352 INFO L132 encePairwiseOnDemand]: 233/239 looper letters, 49 selfloop transitions, 10 changer transitions 0/72 dead transitions. [2020-10-16 02:36:22,353 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 43 places, 72 transitions, 317 flow [2020-10-16 02:36:22,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-16 02:36:22,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-10-16 02:36:22,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 984 transitions. [2020-10-16 02:36:22,357 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.6861924686192469 [2020-10-16 02:36:22,357 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 984 transitions. [2020-10-16 02:36:22,357 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 984 transitions. [2020-10-16 02:36:22,358 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 02:36:22,358 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 984 transitions. [2020-10-16 02:36:22,360 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 7 states. [2020-10-16 02:36:22,363 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 7 states. [2020-10-16 02:36:22,363 INFO L81 ComplementDD]: Finished complementDD. Result 7 states. [2020-10-16 02:36:22,363 INFO L185 Difference]: Start difference. First operand has 38 places, 32 transitions, 101 flow. Second operand 6 states and 984 transitions. [2020-10-16 02:36:22,363 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 43 places, 72 transitions, 317 flow [2020-10-16 02:36:22,367 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 42 places, 72 transitions, 311 flow, removed 0 selfloop flow, removed 1 redundant places. [2020-10-16 02:36:22,368 INFO L241 Difference]: Finished difference. Result has 45 places, 38 transitions, 162 flow [2020-10-16 02:36:22,368 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=239, PETRI_DIFFERENCE_MINUEND_FLOW=97, PETRI_DIFFERENCE_MINUEND_PLACES=37, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=32, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=24, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=162, PETRI_PLACES=45, PETRI_TRANSITIONS=38} [2020-10-16 02:36:22,369 INFO L342 CegarLoopForPetriNet]: 36 programPoint places, 9 predicate places. [2020-10-16 02:36:22,369 INFO L481 AbstractCegarLoop]: Abstraction has has 45 places, 38 transitions, 162 flow [2020-10-16 02:36:22,369 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-16 02:36:22,369 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 02:36:22,369 INFO L255 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 02:36:22,369 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-16 02:36:22,369 INFO L429 AbstractCegarLoop]: === Iteration 3 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 02:36:22,370 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 02:36:22,370 INFO L82 PathProgramCache]: Analyzing trace with hash -644600028, now seen corresponding path program 1 times [2020-10-16 02:36:22,370 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 02:36:22,370 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1656643591] [2020-10-16 02:36:22,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 02:36:22,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 02:36:22,443 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-10-16 02:36:22,443 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1656643591] [2020-10-16 02:36:22,443 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 02:36:22,444 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-16 02:36:22,444 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1065009143] [2020-10-16 02:36:22,444 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-16 02:36:22,444 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 02:36:22,444 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-16 02:36:22,445 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-16 02:36:22,445 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 156 out of 239 [2020-10-16 02:36:22,446 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 45 places, 38 transitions, 162 flow. Second operand 5 states. [2020-10-16 02:36:22,446 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 02:36:22,446 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 156 of 239 [2020-10-16 02:36:22,446 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 02:36:22,958 INFO L129 PetriNetUnfolder]: 2478/4324 cut-off events. [2020-10-16 02:36:22,958 INFO L130 PetriNetUnfolder]: For 2132/2132 co-relation queries the response was YES. [2020-10-16 02:36:22,970 INFO L80 FinitePrefix]: Finished finitePrefix Result has 10205 conditions, 4324 events. 2478/4324 cut-off events. For 2132/2132 co-relation queries the response was YES. Maximal size of possible extension queue 520. Compared 33222 event pairs, 472 based on Foata normal form. 69/3788 useless extension candidates. Maximal degree in co-relation 10188. Up to 1341 conditions per place. [2020-10-16 02:36:22,992 INFO L132 encePairwiseOnDemand]: 233/239 looper letters, 55 selfloop transitions, 15 changer transitions 0/83 dead transitions. [2020-10-16 02:36:22,993 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 50 places, 83 transitions, 467 flow [2020-10-16 02:36:22,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-16 02:36:22,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-10-16 02:36:22,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 997 transitions. [2020-10-16 02:36:22,996 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.6952580195258019 [2020-10-16 02:36:22,997 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 997 transitions. [2020-10-16 02:36:22,997 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 997 transitions. [2020-10-16 02:36:22,998 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 02:36:22,998 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 997 transitions. [2020-10-16 02:36:23,000 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 7 states. [2020-10-16 02:36:23,002 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 7 states. [2020-10-16 02:36:23,002 INFO L81 ComplementDD]: Finished complementDD. Result 7 states. [2020-10-16 02:36:23,002 INFO L185 Difference]: Start difference. First operand has 45 places, 38 transitions, 162 flow. Second operand 6 states and 997 transitions. [2020-10-16 02:36:23,003 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 50 places, 83 transitions, 467 flow [2020-10-16 02:36:23,024 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 48 places, 83 transitions, 446 flow, removed 4 selfloop flow, removed 2 redundant places. [2020-10-16 02:36:23,026 INFO L241 Difference]: Finished difference. Result has 51 places, 47 transitions, 264 flow [2020-10-16 02:36:23,026 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=239, PETRI_DIFFERENCE_MINUEND_FLOW=149, PETRI_DIFFERENCE_MINUEND_PLACES=43, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=38, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=26, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=264, PETRI_PLACES=51, PETRI_TRANSITIONS=47} [2020-10-16 02:36:23,027 INFO L342 CegarLoopForPetriNet]: 36 programPoint places, 15 predicate places. [2020-10-16 02:36:23,027 INFO L481 AbstractCegarLoop]: Abstraction has has 51 places, 47 transitions, 264 flow [2020-10-16 02:36:23,027 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-16 02:36:23,027 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 02:36:23,027 INFO L255 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 02:36:23,027 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-16 02:36:23,028 INFO L429 AbstractCegarLoop]: === Iteration 4 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 02:36:23,028 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 02:36:23,028 INFO L82 PathProgramCache]: Analyzing trace with hash -370201206, now seen corresponding path program 1 times [2020-10-16 02:36:23,028 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 02:36:23,028 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1211881175] [2020-10-16 02:36:23,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 02:36:23,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 02:36:23,054 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 02:36:23,055 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1211881175] [2020-10-16 02:36:23,055 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 02:36:23,055 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-16 02:36:23,055 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1376182822] [2020-10-16 02:36:23,056 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-16 02:36:23,056 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 02:36:23,056 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-16 02:36:23,056 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 02:36:23,057 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 173 out of 239 [2020-10-16 02:36:23,058 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 51 places, 47 transitions, 264 flow. Second operand 3 states. [2020-10-16 02:36:23,058 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 02:36:23,058 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 173 of 239 [2020-10-16 02:36:23,058 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 02:36:23,096 INFO L129 PetriNetUnfolder]: 38/201 cut-off events. [2020-10-16 02:36:23,096 INFO L130 PetriNetUnfolder]: For 149/169 co-relation queries the response was YES. [2020-10-16 02:36:23,097 INFO L80 FinitePrefix]: Finished finitePrefix Result has 496 conditions, 201 events. 38/201 cut-off events. For 149/169 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 1117 event pairs, 18 based on Foata normal form. 17/190 useless extension candidates. Maximal degree in co-relation 476. Up to 52 conditions per place. [2020-10-16 02:36:23,098 INFO L132 encePairwiseOnDemand]: 231/239 looper letters, 1 selfloop transitions, 8 changer transitions 0/43 dead transitions. [2020-10-16 02:36:23,098 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 53 places, 43 transitions, 240 flow [2020-10-16 02:36:23,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-16 02:36:23,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-10-16 02:36:23,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 531 transitions. [2020-10-16 02:36:23,100 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.7405857740585774 [2020-10-16 02:36:23,101 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 531 transitions. [2020-10-16 02:36:23,101 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 531 transitions. [2020-10-16 02:36:23,101 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 02:36:23,101 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 531 transitions. [2020-10-16 02:36:23,102 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 4 states. [2020-10-16 02:36:23,104 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 4 states. [2020-10-16 02:36:23,104 INFO L81 ComplementDD]: Finished complementDD. Result 4 states. [2020-10-16 02:36:23,104 INFO L185 Difference]: Start difference. First operand has 51 places, 47 transitions, 264 flow. Second operand 3 states and 531 transitions. [2020-10-16 02:36:23,104 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 53 places, 43 transitions, 240 flow [2020-10-16 02:36:23,106 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 50 places, 43 transitions, 212 flow, removed 7 selfloop flow, removed 3 redundant places. [2020-10-16 02:36:23,107 INFO L241 Difference]: Finished difference. Result has 50 places, 43 transitions, 210 flow [2020-10-16 02:36:23,107 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=239, PETRI_DIFFERENCE_MINUEND_FLOW=194, PETRI_DIFFERENCE_MINUEND_PLACES=48, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=43, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=35, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=210, PETRI_PLACES=50, PETRI_TRANSITIONS=43} [2020-10-16 02:36:23,108 INFO L342 CegarLoopForPetriNet]: 36 programPoint places, 14 predicate places. [2020-10-16 02:36:23,108 INFO L481 AbstractCegarLoop]: Abstraction has has 50 places, 43 transitions, 210 flow [2020-10-16 02:36:23,108 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-16 02:36:23,108 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 02:36:23,108 INFO L255 CegarLoopForPetriNet]: trace histogram [4, 3, 3, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 02:36:23,108 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-16 02:36:23,108 INFO L429 AbstractCegarLoop]: === Iteration 5 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 02:36:23,109 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 02:36:23,109 INFO L82 PathProgramCache]: Analyzing trace with hash -68822273, now seen corresponding path program 1 times [2020-10-16 02:36:23,109 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 02:36:23,109 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1314226321] [2020-10-16 02:36:23,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 02:36:23,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-16 02:36:23,121 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-16 02:36:23,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-16 02:36:23,130 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-16 02:36:23,137 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-16 02:36:23,138 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-16 02:36:23,138 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-16 02:36:23,138 WARN L264 etLargeBlockEncoding]: Failed to translate choice composition: Branch encoders not available. [2020-10-16 02:36:23,139 WARN L371 ceAbstractionStarter]: 3 thread instances were not sufficient, I will increase this number and restart the analysis [2020-10-16 02:36:23,139 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 4 thread instances. [2020-10-16 02:36:23,152 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:23,152 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:23,152 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:23,153 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:23,153 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:23,153 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:23,153 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:23,153 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:23,153 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:23,153 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:23,154 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:23,154 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:23,154 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:23,154 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:23,154 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:23,154 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:23,154 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:23,155 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:23,155 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:23,155 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:23,155 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:23,155 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:23,155 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:23,155 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:23,156 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:23,156 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:23,156 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:23,156 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:23,156 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:23,156 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:23,156 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:23,156 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:23,157 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:23,157 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:23,157 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:23,157 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:23,157 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:23,157 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:23,157 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:23,158 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:23,158 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:23,158 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:23,158 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:23,158 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:23,158 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:23,158 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:23,159 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:23,159 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:23,159 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:23,159 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:23,159 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:23,159 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:23,159 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:23,160 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:23,160 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:23,160 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:23,160 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:23,160 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:23,160 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:23,160 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:23,161 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:23,161 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:23,161 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:23,161 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:23,161 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:23,161 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:23,161 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:23,162 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:23,162 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:23,162 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:23,162 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:23,162 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:23,162 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:23,162 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:23,162 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:23,163 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:23,163 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:23,163 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:23,163 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:23,163 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:23,163 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:23,163 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:23,164 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:23,164 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:23,164 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:23,164 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:23,164 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:23,164 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:23,165 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:23,165 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:23,165 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:23,165 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:23,165 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:23,165 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:23,166 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:23,166 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:23,166 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:23,166 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:23,166 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:23,166 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:23,166 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:23,166 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:23,167 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:23,167 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:23,167 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:23,167 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:23,167 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:23,167 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:23,168 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:23,168 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:23,168 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:23,168 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:23,168 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:23,168 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:23,169 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:23,169 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:23,169 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:23,169 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:23,169 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:23,169 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:23,169 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:23,169 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:23,170 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:23,170 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:23,170 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:23,170 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:23,170 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:23,171 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:23,171 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:23,171 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:23,171 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:23,171 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:23,171 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:23,171 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:23,173 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:23,173 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:23,173 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:23,173 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:23,173 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:23,174 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:23,174 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:23,174 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:23,174 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:23,174 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:23,175 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:23,175 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:23,175 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:23,176 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:23,176 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:23,176 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:23,176 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:23,176 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:23,176 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:23,176 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:23,177 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:23,177 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:23,178 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:23,178 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:23,178 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:23,178 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:23,178 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:23,178 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:23,178 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:23,179 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:23,180 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:23,180 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:23,180 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:23,180 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:23,180 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:23,180 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:23,181 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:23,181 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:23,182 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:23,182 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:23,182 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:23,182 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:23,183 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:23,183 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:23,183 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:23,183 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:23,183 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:23,184 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:23,185 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:23,185 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:23,185 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:23,185 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:23,185 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:23,185 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:23,186 INFO L253 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2020-10-16 02:36:23,187 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-16 02:36:23,187 INFO L378 AbstractCegarLoop]: Hoare is false [2020-10-16 02:36:23,187 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-16 02:36:23,187 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-16 02:36:23,187 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-16 02:36:23,187 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-16 02:36:23,187 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-16 02:36:23,187 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-16 02:36:23,189 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 167 places, 163 transitions, 390 flow [2020-10-16 02:36:23,206 INFO L129 PetriNetUnfolder]: 15/188 cut-off events. [2020-10-16 02:36:23,206 INFO L130 PetriNetUnfolder]: For 16/16 co-relation queries the response was YES. [2020-10-16 02:36:23,207 INFO L80 FinitePrefix]: Finished finitePrefix Result has 217 conditions, 188 events. 15/188 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 421 event pairs, 0 based on Foata normal form. 0/167 useless extension candidates. Maximal degree in co-relation 208. Up to 10 conditions per place. [2020-10-16 02:36:23,207 INFO L82 GeneralOperation]: Start removeDead. Operand has 167 places, 163 transitions, 390 flow [2020-10-16 02:36:23,209 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 133 places, 132 transitions, 299 flow [2020-10-16 02:36:23,209 INFO L129 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-10-16 02:36:23,209 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 133 places, 132 transitions, 299 flow [2020-10-16 02:36:23,209 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 133 places, 132 transitions, 299 flow [2020-10-16 02:36:23,210 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 133 places, 132 transitions, 299 flow [2020-10-16 02:36:23,225 INFO L129 PetriNetUnfolder]: 15/188 cut-off events. [2020-10-16 02:36:23,225 INFO L130 PetriNetUnfolder]: For 16/16 co-relation queries the response was YES. [2020-10-16 02:36:23,227 INFO L80 FinitePrefix]: Finished finitePrefix Result has 214 conditions, 188 events. 15/188 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 452 event pairs, 0 based on Foata normal form. 0/167 useless extension candidates. Maximal degree in co-relation 177. Up to 10 conditions per place. [2020-10-16 02:36:23,235 INFO L117 LiptonReduction]: Number of co-enabled transitions 8100 [2020-10-16 02:36:26,130 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 58 [2020-10-16 02:36:26,325 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-16 02:36:26,459 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-16 02:36:26,705 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2020-10-16 02:36:27,125 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 96 [2020-10-16 02:36:27,234 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2020-10-16 02:36:27,245 INFO L132 LiptonReduction]: Checked pairs total: 15232 [2020-10-16 02:36:27,245 INFO L134 LiptonReduction]: Total number of compositions: 127 [2020-10-16 02:36:27,245 INFO L182 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 4036 [2020-10-16 02:36:27,246 INFO L129 PetriNetUnfolder]: 0/3 cut-off events. [2020-10-16 02:36:27,246 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-16 02:36:27,246 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 02:36:27,246 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2020-10-16 02:36:27,246 INFO L429 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-10-16 02:36:27,247 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 02:36:27,247 INFO L82 PathProgramCache]: Analyzing trace with hash 1122017, now seen corresponding path program 1 times [2020-10-16 02:36:27,247 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 02:36:27,247 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1913881548] [2020-10-16 02:36:27,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 02:36:27,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 02:36:27,264 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 02:36:27,264 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1913881548] [2020-10-16 02:36:27,264 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 02:36:27,264 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-16 02:36:27,265 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1153942065] [2020-10-16 02:36:27,265 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-16 02:36:27,265 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 02:36:27,265 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-16 02:36:27,265 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 02:36:27,267 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 189 out of 290 [2020-10-16 02:36:27,267 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 44 places, 37 transitions, 109 flow. Second operand 3 states. [2020-10-16 02:36:27,267 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 02:36:27,267 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 189 of 290 [2020-10-16 02:36:27,267 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 02:36:28,165 INFO L129 PetriNetUnfolder]: 6379/9198 cut-off events. [2020-10-16 02:36:28,165 INFO L130 PetriNetUnfolder]: For 16/16 co-relation queries the response was YES. [2020-10-16 02:36:28,187 INFO L80 FinitePrefix]: Finished finitePrefix Result has 17099 conditions, 9198 events. 6379/9198 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 689. Compared 58999 event pairs, 1757 based on Foata normal form. 377/6682 useless extension candidates. Maximal degree in co-relation 17087. Up to 5499 conditions per place. [2020-10-16 02:36:28,245 INFO L132 encePairwiseOnDemand]: 283/290 looper letters, 27 selfloop transitions, 5 changer transitions 0/51 dead transitions. [2020-10-16 02:36:28,245 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 46 places, 51 transitions, 201 flow [2020-10-16 02:36:28,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-16 02:36:28,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-10-16 02:36:28,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 602 transitions. [2020-10-16 02:36:28,248 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.6919540229885057 [2020-10-16 02:36:28,248 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 602 transitions. [2020-10-16 02:36:28,249 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 602 transitions. [2020-10-16 02:36:28,249 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 02:36:28,249 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 602 transitions. [2020-10-16 02:36:28,251 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 4 states. [2020-10-16 02:36:28,252 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 4 states. [2020-10-16 02:36:28,252 INFO L81 ComplementDD]: Finished complementDD. Result 4 states. [2020-10-16 02:36:28,252 INFO L185 Difference]: Start difference. First operand has 44 places, 37 transitions, 109 flow. Second operand 3 states and 602 transitions. [2020-10-16 02:36:28,252 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 46 places, 51 transitions, 201 flow [2020-10-16 02:36:28,253 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 45 places, 51 transitions, 188 flow, removed 6 selfloop flow, removed 1 redundant places. [2020-10-16 02:36:28,256 INFO L241 Difference]: Finished difference. Result has 46 places, 40 transitions, 127 flow [2020-10-16 02:36:28,256 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=290, PETRI_DIFFERENCE_MINUEND_FLOW=94, PETRI_DIFFERENCE_MINUEND_PLACES=43, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=36, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=31, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=127, PETRI_PLACES=46, PETRI_TRANSITIONS=40} [2020-10-16 02:36:28,257 INFO L342 CegarLoopForPetriNet]: 44 programPoint places, 2 predicate places. [2020-10-16 02:36:28,257 INFO L481 AbstractCegarLoop]: Abstraction has has 46 places, 40 transitions, 127 flow [2020-10-16 02:36:28,257 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-16 02:36:28,257 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 02:36:28,257 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 02:36:28,257 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-16 02:36:28,257 INFO L429 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-10-16 02:36:28,258 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 02:36:28,258 INFO L82 PathProgramCache]: Analyzing trace with hash -1860053548, now seen corresponding path program 1 times [2020-10-16 02:36:28,258 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 02:36:28,258 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [764979203] [2020-10-16 02:36:28,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 02:36:28,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 02:36:28,317 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 02:36:28,317 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [764979203] [2020-10-16 02:36:28,317 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 02:36:28,317 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-16 02:36:28,318 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [126154317] [2020-10-16 02:36:28,318 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-16 02:36:28,318 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 02:36:28,318 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-16 02:36:28,318 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-16 02:36:28,320 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 184 out of 290 [2020-10-16 02:36:28,321 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 46 places, 40 transitions, 127 flow. Second operand 5 states. [2020-10-16 02:36:28,321 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 02:36:28,321 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 184 of 290 [2020-10-16 02:36:28,321 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 02:36:29,424 INFO L129 PetriNetUnfolder]: 9931/15687 cut-off events. [2020-10-16 02:36:29,424 INFO L130 PetriNetUnfolder]: For 1212/1212 co-relation queries the response was YES. [2020-10-16 02:36:29,475 INFO L80 FinitePrefix]: Finished finitePrefix Result has 32998 conditions, 15687 events. 9931/15687 cut-off events. For 1212/1212 co-relation queries the response was YES. Maximal size of possible extension queue 1283. Compared 125197 event pairs, 1440 based on Foata normal form. 178/13399 useless extension candidates. Maximal degree in co-relation 32984. Up to 5255 conditions per place. [2020-10-16 02:36:29,543 INFO L132 encePairwiseOnDemand]: 282/290 looper letters, 59 selfloop transitions, 14 changer transitions 0/90 dead transitions. [2020-10-16 02:36:29,543 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 51 places, 90 transitions, 398 flow [2020-10-16 02:36:29,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-16 02:36:29,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-10-16 02:36:29,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1178 transitions. [2020-10-16 02:36:29,547 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.6770114942528735 [2020-10-16 02:36:29,547 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1178 transitions. [2020-10-16 02:36:29,547 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1178 transitions. [2020-10-16 02:36:29,548 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 02:36:29,548 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1178 transitions. [2020-10-16 02:36:29,551 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 7 states. [2020-10-16 02:36:29,553 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 7 states. [2020-10-16 02:36:29,554 INFO L81 ComplementDD]: Finished complementDD. Result 7 states. [2020-10-16 02:36:29,554 INFO L185 Difference]: Start difference. First operand has 46 places, 40 transitions, 127 flow. Second operand 6 states and 1178 transitions. [2020-10-16 02:36:29,554 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 51 places, 90 transitions, 398 flow [2020-10-16 02:36:29,560 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 50 places, 90 transitions, 390 flow, removed 0 selfloop flow, removed 1 redundant places. [2020-10-16 02:36:29,562 INFO L241 Difference]: Finished difference. Result has 53 places, 49 transitions, 214 flow [2020-10-16 02:36:29,562 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=290, PETRI_DIFFERENCE_MINUEND_FLOW=122, PETRI_DIFFERENCE_MINUEND_PLACES=45, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=40, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=29, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=214, PETRI_PLACES=53, PETRI_TRANSITIONS=49} [2020-10-16 02:36:29,563 INFO L342 CegarLoopForPetriNet]: 44 programPoint places, 9 predicate places. [2020-10-16 02:36:29,563 INFO L481 AbstractCegarLoop]: Abstraction has has 53 places, 49 transitions, 214 flow [2020-10-16 02:36:29,563 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-16 02:36:29,563 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 02:36:29,563 INFO L255 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 02:36:29,563 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-16 02:36:29,564 INFO L429 AbstractCegarLoop]: === Iteration 3 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-10-16 02:36:29,564 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 02:36:29,564 INFO L82 PathProgramCache]: Analyzing trace with hash -1896011785, now seen corresponding path program 1 times [2020-10-16 02:36:29,564 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 02:36:29,564 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2111063010] [2020-10-16 02:36:29,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 02:36:29,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 02:36:29,600 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-10-16 02:36:29,601 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2111063010] [2020-10-16 02:36:29,601 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 02:36:29,601 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-16 02:36:29,601 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1785677811] [2020-10-16 02:36:29,601 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-16 02:36:29,602 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 02:36:29,602 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-16 02:36:29,602 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-16 02:36:29,604 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 182 out of 290 [2020-10-16 02:36:29,605 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 53 places, 49 transitions, 214 flow. Second operand 5 states. [2020-10-16 02:36:29,605 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 02:36:29,605 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 182 of 290 [2020-10-16 02:36:29,605 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 02:36:31,965 INFO L129 PetriNetUnfolder]: 13700/22135 cut-off events. [2020-10-16 02:36:31,965 INFO L130 PetriNetUnfolder]: For 11913/11913 co-relation queries the response was YES. [2020-10-16 02:36:32,040 INFO L80 FinitePrefix]: Finished finitePrefix Result has 54319 conditions, 22135 events. 13700/22135 cut-off events. For 11913/11913 co-relation queries the response was YES. Maximal size of possible extension queue 1986. Compared 190781 event pairs, 2481 based on Foata normal form. 220/18703 useless extension candidates. Maximal degree in co-relation 54301. Up to 7979 conditions per place. [2020-10-16 02:36:32,140 INFO L132 encePairwiseOnDemand]: 283/290 looper letters, 69 selfloop transitions, 20 changer transitions 0/106 dead transitions. [2020-10-16 02:36:32,140 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 58 places, 106 transitions, 612 flow [2020-10-16 02:36:32,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-16 02:36:32,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-10-16 02:36:32,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1168 transitions. [2020-10-16 02:36:32,144 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.671264367816092 [2020-10-16 02:36:32,144 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1168 transitions. [2020-10-16 02:36:32,144 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1168 transitions. [2020-10-16 02:36:32,145 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 02:36:32,145 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1168 transitions. [2020-10-16 02:36:32,148 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 7 states. [2020-10-16 02:36:32,150 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 7 states. [2020-10-16 02:36:32,150 INFO L81 ComplementDD]: Finished complementDD. Result 7 states. [2020-10-16 02:36:32,151 INFO L185 Difference]: Start difference. First operand has 53 places, 49 transitions, 214 flow. Second operand 6 states and 1168 transitions. [2020-10-16 02:36:32,151 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 58 places, 106 transitions, 612 flow [2020-10-16 02:36:32,278 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 56 places, 106 transitions, 581 flow, removed 6 selfloop flow, removed 2 redundant places. [2020-10-16 02:36:32,280 INFO L241 Difference]: Finished difference. Result has 59 places, 61 transitions, 346 flow [2020-10-16 02:36:32,281 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=290, PETRI_DIFFERENCE_MINUEND_FLOW=196, PETRI_DIFFERENCE_MINUEND_PLACES=51, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=49, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=34, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=346, PETRI_PLACES=59, PETRI_TRANSITIONS=61} [2020-10-16 02:36:32,281 INFO L342 CegarLoopForPetriNet]: 44 programPoint places, 15 predicate places. [2020-10-16 02:36:32,281 INFO L481 AbstractCegarLoop]: Abstraction has has 59 places, 61 transitions, 346 flow [2020-10-16 02:36:32,281 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-16 02:36:32,281 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 02:36:32,281 INFO L255 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 02:36:32,282 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-16 02:36:32,282 INFO L429 AbstractCegarLoop]: === Iteration 4 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-10-16 02:36:32,282 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 02:36:32,282 INFO L82 PathProgramCache]: Analyzing trace with hash -1772421434, now seen corresponding path program 1 times [2020-10-16 02:36:32,282 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 02:36:32,282 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2042217216] [2020-10-16 02:36:32,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 02:36:32,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 02:36:32,304 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 02:36:32,305 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2042217216] [2020-10-16 02:36:32,305 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 02:36:32,305 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-16 02:36:32,305 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [170879159] [2020-10-16 02:36:32,306 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-16 02:36:32,306 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 02:36:32,306 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-16 02:36:32,306 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 02:36:32,307 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 214 out of 290 [2020-10-16 02:36:32,308 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 59 places, 61 transitions, 346 flow. Second operand 3 states. [2020-10-16 02:36:32,308 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 02:36:32,308 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 214 of 290 [2020-10-16 02:36:32,308 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 02:36:32,390 INFO L129 PetriNetUnfolder]: 193/738 cut-off events. [2020-10-16 02:36:32,390 INFO L130 PetriNetUnfolder]: For 544/668 co-relation queries the response was YES. [2020-10-16 02:36:32,392 INFO L80 FinitePrefix]: Finished finitePrefix Result has 1745 conditions, 738 events. 193/738 cut-off events. For 544/668 co-relation queries the response was YES. Maximal size of possible extension queue 67. Compared 5579 event pairs, 74 based on Foata normal form. 109/730 useless extension candidates. Maximal degree in co-relation 1724. Up to 179 conditions per place. [2020-10-16 02:36:32,395 INFO L132 encePairwiseOnDemand]: 280/290 looper letters, 1 selfloop transitions, 10 changer transitions 0/57 dead transitions. [2020-10-16 02:36:32,395 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 61 places, 57 transitions, 326 flow [2020-10-16 02:36:32,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-16 02:36:32,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-10-16 02:36:32,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 657 transitions. [2020-10-16 02:36:32,398 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.7551724137931034 [2020-10-16 02:36:32,398 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 657 transitions. [2020-10-16 02:36:32,398 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 657 transitions. [2020-10-16 02:36:32,399 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 02:36:32,399 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 657 transitions. [2020-10-16 02:36:32,400 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 4 states. [2020-10-16 02:36:32,401 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 4 states. [2020-10-16 02:36:32,401 INFO L81 ComplementDD]: Finished complementDD. Result 4 states. [2020-10-16 02:36:32,402 INFO L185 Difference]: Start difference. First operand has 59 places, 61 transitions, 346 flow. Second operand 3 states and 657 transitions. [2020-10-16 02:36:32,402 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 61 places, 57 transitions, 326 flow [2020-10-16 02:36:32,406 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 58 places, 57 transitions, 286 flow, removed 9 selfloop flow, removed 3 redundant places. [2020-10-16 02:36:32,407 INFO L241 Difference]: Finished difference. Result has 58 places, 57 transitions, 284 flow [2020-10-16 02:36:32,407 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=290, PETRI_DIFFERENCE_MINUEND_FLOW=264, PETRI_DIFFERENCE_MINUEND_PLACES=56, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=57, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=47, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=284, PETRI_PLACES=58, PETRI_TRANSITIONS=57} [2020-10-16 02:36:32,408 INFO L342 CegarLoopForPetriNet]: 44 programPoint places, 14 predicate places. [2020-10-16 02:36:32,408 INFO L481 AbstractCegarLoop]: Abstraction has has 58 places, 57 transitions, 284 flow [2020-10-16 02:36:32,408 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-16 02:36:32,408 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 02:36:32,408 INFO L255 CegarLoopForPetriNet]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 02:36:32,408 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-16 02:36:32,408 INFO L429 AbstractCegarLoop]: === Iteration 5 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-10-16 02:36:32,409 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 02:36:32,409 INFO L82 PathProgramCache]: Analyzing trace with hash 2050839116, now seen corresponding path program 1 times [2020-10-16 02:36:32,409 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 02:36:32,409 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1271420701] [2020-10-16 02:36:32,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 02:36:32,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 02:36:32,453 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-10-16 02:36:32,453 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1271420701] [2020-10-16 02:36:32,453 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 02:36:32,453 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-16 02:36:32,454 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1595290511] [2020-10-16 02:36:32,454 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-16 02:36:32,454 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 02:36:32,454 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-16 02:36:32,454 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-16 02:36:32,458 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 183 out of 290 [2020-10-16 02:36:32,459 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 58 places, 57 transitions, 284 flow. Second operand 5 states. [2020-10-16 02:36:32,459 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 02:36:32,459 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 183 of 290 [2020-10-16 02:36:32,459 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 02:36:33,384 INFO L129 PetriNetUnfolder]: 4990/10105 cut-off events. [2020-10-16 02:36:33,384 INFO L130 PetriNetUnfolder]: For 5258/5264 co-relation queries the response was YES. [2020-10-16 02:36:33,412 INFO L80 FinitePrefix]: Finished finitePrefix Result has 25869 conditions, 10105 events. 4990/10105 cut-off events. For 5258/5264 co-relation queries the response was YES. Maximal size of possible extension queue 1067. Compared 99393 event pairs, 842 based on Foata normal form. 161/8536 useless extension candidates. Maximal degree in co-relation 25850. Up to 3963 conditions per place. [2020-10-16 02:36:33,446 INFO L132 encePairwiseOnDemand]: 282/290 looper letters, 70 selfloop transitions, 26 changer transitions 0/113 dead transitions. [2020-10-16 02:36:33,446 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 63 places, 113 transitions, 722 flow [2020-10-16 02:36:33,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-16 02:36:33,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-10-16 02:36:33,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1172 transitions. [2020-10-16 02:36:33,450 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.6735632183908046 [2020-10-16 02:36:33,450 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1172 transitions. [2020-10-16 02:36:33,450 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1172 transitions. [2020-10-16 02:36:33,451 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 02:36:33,451 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1172 transitions. [2020-10-16 02:36:33,454 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 7 states. [2020-10-16 02:36:33,456 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 7 states. [2020-10-16 02:36:33,456 INFO L81 ComplementDD]: Finished complementDD. Result 7 states. [2020-10-16 02:36:33,456 INFO L185 Difference]: Start difference. First operand has 58 places, 57 transitions, 284 flow. Second operand 6 states and 1172 transitions. [2020-10-16 02:36:33,456 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 63 places, 113 transitions, 722 flow [2020-10-16 02:36:33,513 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 62 places, 113 transitions, 703 flow, removed 0 selfloop flow, removed 1 redundant places. [2020-10-16 02:36:33,515 INFO L241 Difference]: Finished difference. Result has 64 places, 70 transitions, 440 flow [2020-10-16 02:36:33,515 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=290, PETRI_DIFFERENCE_MINUEND_FLOW=274, PETRI_DIFFERENCE_MINUEND_PLACES=57, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=57, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=39, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=440, PETRI_PLACES=64, PETRI_TRANSITIONS=70} [2020-10-16 02:36:33,516 INFO L342 CegarLoopForPetriNet]: 44 programPoint places, 20 predicate places. [2020-10-16 02:36:33,516 INFO L481 AbstractCegarLoop]: Abstraction has has 64 places, 70 transitions, 440 flow [2020-10-16 02:36:33,516 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-16 02:36:33,516 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 02:36:33,516 INFO L255 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 02:36:33,516 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-10-16 02:36:33,516 INFO L429 AbstractCegarLoop]: === Iteration 6 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-10-16 02:36:33,517 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 02:36:33,517 INFO L82 PathProgramCache]: Analyzing trace with hash -560773882, now seen corresponding path program 1 times [2020-10-16 02:36:33,517 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 02:36:33,517 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1732679941] [2020-10-16 02:36:33,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 02:36:33,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 02:36:33,568 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-16 02:36:33,568 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1732679941] [2020-10-16 02:36:33,568 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [962532506] [2020-10-16 02:36:33,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-16 02:36:33,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 02:36:33,661 INFO L263 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 7 conjunts are in the unsatisfiable core [2020-10-16 02:36:33,665 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-16 02:36:33,751 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-16 02:36:33,752 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-16 02:36:33,752 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 10 [2020-10-16 02:36:33,753 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [328623602] [2020-10-16 02:36:33,753 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-16 02:36:33,753 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 02:36:33,753 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-16 02:36:33,754 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2020-10-16 02:36:33,758 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 177 out of 290 [2020-10-16 02:36:33,759 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 64 places, 70 transitions, 440 flow. Second operand 12 states. [2020-10-16 02:36:33,759 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 02:36:33,759 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 177 of 290 [2020-10-16 02:36:33,759 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 02:36:34,931 INFO L129 PetriNetUnfolder]: 5514/10744 cut-off events. [2020-10-16 02:36:34,931 INFO L130 PetriNetUnfolder]: For 7674/7674 co-relation queries the response was YES. [2020-10-16 02:36:34,964 INFO L80 FinitePrefix]: Finished finitePrefix Result has 28649 conditions, 10744 events. 5514/10744 cut-off events. For 7674/7674 co-relation queries the response was YES. Maximal size of possible extension queue 1129. Compared 104750 event pairs, 623 based on Foata normal form. 51/8922 useless extension candidates. Maximal degree in co-relation 28626. Up to 2226 conditions per place. [2020-10-16 02:36:34,990 INFO L132 encePairwiseOnDemand]: 281/290 looper letters, 135 selfloop transitions, 40 changer transitions 0/190 dead transitions. [2020-10-16 02:36:34,990 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 76 places, 190 transitions, 1275 flow [2020-10-16 02:36:34,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-16 02:36:34,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2020-10-16 02:36:34,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 2459 transitions. [2020-10-16 02:36:34,997 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.6522546419098143 [2020-10-16 02:36:34,997 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 2459 transitions. [2020-10-16 02:36:34,997 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 2459 transitions. [2020-10-16 02:36:34,999 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 02:36:34,999 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 2459 transitions. [2020-10-16 02:36:35,003 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 14 states. [2020-10-16 02:36:35,008 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 14 states. [2020-10-16 02:36:35,008 INFO L81 ComplementDD]: Finished complementDD. Result 14 states. [2020-10-16 02:36:35,008 INFO L185 Difference]: Start difference. First operand has 64 places, 70 transitions, 440 flow. Second operand 13 states and 2459 transitions. [2020-10-16 02:36:35,008 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 76 places, 190 transitions, 1275 flow [2020-10-16 02:36:35,136 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 75 places, 190 transitions, 1226 flow, removed 20 selfloop flow, removed 1 redundant places. [2020-10-16 02:36:35,139 INFO L241 Difference]: Finished difference. Result has 77 places, 80 transitions, 574 flow [2020-10-16 02:36:35,139 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=290, PETRI_DIFFERENCE_MINUEND_FLOW=417, PETRI_DIFFERENCE_MINUEND_PLACES=63, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=70, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=30, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=37, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=574, PETRI_PLACES=77, PETRI_TRANSITIONS=80} [2020-10-16 02:36:35,139 INFO L342 CegarLoopForPetriNet]: 44 programPoint places, 33 predicate places. [2020-10-16 02:36:35,140 INFO L481 AbstractCegarLoop]: Abstraction has has 77 places, 80 transitions, 574 flow [2020-10-16 02:36:35,140 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-16 02:36:35,140 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 02:36:35,140 INFO L255 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 02:36:35,353 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2020-10-16 02:36:35,354 INFO L429 AbstractCegarLoop]: === Iteration 7 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-10-16 02:36:35,354 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 02:36:35,355 INFO L82 PathProgramCache]: Analyzing trace with hash -82463937, now seen corresponding path program 1 times [2020-10-16 02:36:35,355 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 02:36:35,356 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1466869068] [2020-10-16 02:36:35,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 02:36:35,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 02:36:35,411 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-10-16 02:36:35,412 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1466869068] [2020-10-16 02:36:35,412 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 02:36:35,412 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-16 02:36:35,412 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [692034558] [2020-10-16 02:36:35,412 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-16 02:36:35,413 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 02:36:35,413 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-16 02:36:35,413 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-16 02:36:35,415 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 177 out of 290 [2020-10-16 02:36:35,416 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 77 places, 80 transitions, 574 flow. Second operand 7 states. [2020-10-16 02:36:35,416 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 02:36:35,416 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 177 of 290 [2020-10-16 02:36:35,416 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 02:36:36,595 INFO L129 PetriNetUnfolder]: 5625/11123 cut-off events. [2020-10-16 02:36:36,595 INFO L130 PetriNetUnfolder]: For 11750/11750 co-relation queries the response was YES. [2020-10-16 02:36:36,630 INFO L80 FinitePrefix]: Finished finitePrefix Result has 30896 conditions, 11123 events. 5625/11123 cut-off events. For 11750/11750 co-relation queries the response was YES. Maximal size of possible extension queue 1164. Compared 110284 event pairs, 624 based on Foata normal form. 51/9254 useless extension candidates. Maximal degree in co-relation 30870. Up to 2226 conditions per place. [2020-10-16 02:36:36,655 INFO L132 encePairwiseOnDemand]: 281/290 looper letters, 136 selfloop transitions, 45 changer transitions 0/196 dead transitions. [2020-10-16 02:36:36,655 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 89 places, 196 transitions, 1408 flow [2020-10-16 02:36:36,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-16 02:36:36,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2020-10-16 02:36:36,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 2459 transitions. [2020-10-16 02:36:36,661 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.6522546419098143 [2020-10-16 02:36:36,661 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 2459 transitions. [2020-10-16 02:36:36,661 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 2459 transitions. [2020-10-16 02:36:36,663 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 02:36:36,663 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 2459 transitions. [2020-10-16 02:36:36,667 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 14 states. [2020-10-16 02:36:36,672 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 14 states. [2020-10-16 02:36:36,672 INFO L81 ComplementDD]: Finished complementDD. Result 14 states. [2020-10-16 02:36:36,673 INFO L185 Difference]: Start difference. First operand has 77 places, 80 transitions, 574 flow. Second operand 13 states and 2459 transitions. [2020-10-16 02:36:36,673 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 89 places, 196 transitions, 1408 flow [2020-10-16 02:36:36,901 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 83 places, 196 transitions, 1327 flow, removed 6 selfloop flow, removed 6 redundant places. [2020-10-16 02:36:36,904 INFO L241 Difference]: Finished difference. Result has 85 places, 88 transitions, 664 flow [2020-10-16 02:36:36,904 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=290, PETRI_DIFFERENCE_MINUEND_FLOW=495, PETRI_DIFFERENCE_MINUEND_PLACES=71, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=80, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=37, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=39, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=664, PETRI_PLACES=85, PETRI_TRANSITIONS=88} [2020-10-16 02:36:36,904 INFO L342 CegarLoopForPetriNet]: 44 programPoint places, 41 predicate places. [2020-10-16 02:36:36,905 INFO L481 AbstractCegarLoop]: Abstraction has has 85 places, 88 transitions, 664 flow [2020-10-16 02:36:36,905 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-16 02:36:36,905 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 02:36:36,905 INFO L255 CegarLoopForPetriNet]: trace histogram [5, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 02:36:36,905 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-10-16 02:36:36,905 INFO L429 AbstractCegarLoop]: === Iteration 8 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-10-16 02:36:36,905 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 02:36:36,906 INFO L82 PathProgramCache]: Analyzing trace with hash 1035270842, now seen corresponding path program 1 times [2020-10-16 02:36:36,906 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 02:36:36,906 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [681873259] [2020-10-16 02:36:36,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 02:36:36,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-16 02:36:36,916 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-16 02:36:36,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-16 02:36:36,925 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-16 02:36:36,932 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-16 02:36:36,932 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-16 02:36:36,933 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-10-16 02:36:36,933 WARN L264 etLargeBlockEncoding]: Failed to translate choice composition: Branch encoders not available. [2020-10-16 02:36:36,933 WARN L371 ceAbstractionStarter]: 4 thread instances were not sufficient, I will increase this number and restart the analysis [2020-10-16 02:36:36,934 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 5 thread instances. [2020-10-16 02:36:36,948 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:36,948 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:36,948 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:36,948 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:36,949 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:36,949 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of5ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:36,949 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:36,949 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of5ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:36,949 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:36,949 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:36,949 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:36,950 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:36,950 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:36,950 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:36,950 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:36,950 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of5ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:36,950 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of5ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:36,950 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:36,950 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:36,951 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:36,951 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:36,951 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:36,951 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:36,951 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:36,951 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:36,951 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:36,952 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of5ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:36,952 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:36,952 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of5ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:36,952 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:36,952 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:36,952 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:36,952 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:36,952 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:36,953 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:36,953 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:36,953 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of5ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:36,953 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of5ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:36,953 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:36,953 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:36,953 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:36,953 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:36,954 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:36,954 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:36,954 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:36,954 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:36,954 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:36,954 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of5ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:36,954 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:36,955 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of5ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:36,955 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:36,955 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:36,955 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:36,955 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:36,955 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:36,955 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:36,955 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:36,956 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of5ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:36,956 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of5ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:36,956 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:36,956 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:36,956 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:36,956 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:36,956 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:36,956 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:36,957 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:36,957 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:36,957 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:36,957 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of5ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:36,957 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:36,957 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of5ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:36,957 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:36,957 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:36,958 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:36,958 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:36,958 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:36,958 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:36,958 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:36,958 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of5ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:36,958 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of5ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:36,958 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:36,958 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:36,959 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:36,959 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:36,959 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:36,959 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:36,959 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:36,959 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:36,959 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:36,960 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of5ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:36,960 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:36,960 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of5ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:36,960 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:36,960 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:36,960 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:36,960 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:36,960 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:36,960 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:36,961 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:36,961 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of5ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:36,961 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of5ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:36,961 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:36,961 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:36,961 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:36,961 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:36,962 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:36,962 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:36,962 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:36,962 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:36,962 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:36,962 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:36,963 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:36,963 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:36,963 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:36,963 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:36,963 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:36,963 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:36,963 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:36,964 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:36,964 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:36,964 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:36,964 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:36,964 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:36,964 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:36,965 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:36,965 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:36,965 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:36,965 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:36,965 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:36,965 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:36,965 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:36,966 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:36,966 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:36,966 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:36,966 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:36,966 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:36,966 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:36,966 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:36,967 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:36,967 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:36,967 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:36,967 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:36,967 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:36,967 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:36,967 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:36,968 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:36,968 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:36,968 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:36,968 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:36,968 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:36,968 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:36,968 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:36,968 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:36,969 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:36,969 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:36,969 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of5ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:36,969 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:36,969 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:36,970 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:36,970 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of5ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:36,970 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:36,970 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:36,970 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:36,970 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:36,970 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:36,978 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:36,978 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:36,979 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:36,979 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of5ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:36,979 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of5ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:36,979 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:36,979 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:36,979 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:36,979 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:36,980 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:36,981 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:36,981 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of5ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:36,981 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:36,981 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:36,981 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:36,981 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:36,981 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of5ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:36,982 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:36,982 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:36,982 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:36,983 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:36,983 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:36,983 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:36,983 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of5ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:36,983 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:36,983 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of5ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:36,983 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:36,983 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:36,983 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:36,984 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:36,984 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:36,984 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:36,985 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:36,985 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:36,985 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of5ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:36,985 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:36,985 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of5ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:36,985 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:36,985 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:36,986 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:36,988 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:36,988 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:36,989 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:36,989 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:36,989 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:36,989 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:36,993 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:36,993 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:36,993 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:36,993 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:36,993 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:36,993 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:36,994 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:36,994 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:36,995 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:36,995 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:36,995 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:36,995 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:36,996 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:36,996 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:36,996 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:36,996 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:36,996 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:36,996 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:36,997 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:36,997 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:36,997 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:36,997 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:36,997 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:36,997 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:36:36,998 INFO L253 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2020-10-16 02:36:36,998 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-16 02:36:36,999 INFO L378 AbstractCegarLoop]: Hoare is false [2020-10-16 02:36:36,999 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-16 02:36:36,999 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-16 02:36:36,999 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-16 02:36:36,999 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-16 02:36:36,999 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-16 02:36:36,999 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-16 02:36:37,002 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 197 places, 192 transitions, 474 flow [2020-10-16 02:36:37,018 INFO L129 PetriNetUnfolder]: 18/222 cut-off events. [2020-10-16 02:36:37,018 INFO L130 PetriNetUnfolder]: For 30/30 co-relation queries the response was YES. [2020-10-16 02:36:37,020 INFO L80 FinitePrefix]: Finished finitePrefix Result has 260 conditions, 222 events. 18/222 cut-off events. For 30/30 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 541 event pairs, 0 based on Foata normal form. 0/197 useless extension candidates. Maximal degree in co-relation 249. Up to 12 conditions per place. [2020-10-16 02:36:37,020 INFO L82 GeneralOperation]: Start removeDead. Operand has 197 places, 192 transitions, 474 flow [2020-10-16 02:36:37,021 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 152 places, 151 transitions, 350 flow [2020-10-16 02:36:37,021 INFO L129 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-10-16 02:36:37,021 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 152 places, 151 transitions, 350 flow [2020-10-16 02:36:37,021 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 152 places, 151 transitions, 350 flow [2020-10-16 02:36:37,021 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 152 places, 151 transitions, 350 flow [2020-10-16 02:36:37,035 INFO L129 PetriNetUnfolder]: 18/222 cut-off events. [2020-10-16 02:36:37,035 INFO L130 PetriNetUnfolder]: For 30/30 co-relation queries the response was YES. [2020-10-16 02:36:37,036 INFO L80 FinitePrefix]: Finished finitePrefix Result has 256 conditions, 222 events. 18/222 cut-off events. For 30/30 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 529 event pairs, 0 based on Foata normal form. 0/197 useless extension candidates. Maximal degree in co-relation 218. Up to 12 conditions per place. [2020-10-16 02:36:37,045 INFO L117 LiptonReduction]: Number of co-enabled transitions 11754 [2020-10-16 02:36:39,338 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 36 [2020-10-16 02:36:39,583 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 53 [2020-10-16 02:36:40,835 WARN L193 SmtUtils]: Spent 331.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 104 [2020-10-16 02:36:41,062 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 92 [2020-10-16 02:36:41,074 INFO L132 LiptonReduction]: Checked pairs total: 20347 [2020-10-16 02:36:41,075 INFO L134 LiptonReduction]: Total number of compositions: 144 [2020-10-16 02:36:41,075 INFO L182 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 4054 [2020-10-16 02:36:41,076 INFO L129 PetriNetUnfolder]: 0/3 cut-off events. [2020-10-16 02:36:41,076 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-16 02:36:41,076 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 02:36:41,076 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2020-10-16 02:36:41,076 INFO L429 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 02:36:41,076 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 02:36:41,076 INFO L82 PathProgramCache]: Analyzing trace with hash 1483897, now seen corresponding path program 1 times [2020-10-16 02:36:41,077 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 02:36:41,077 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [895444613] [2020-10-16 02:36:41,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 02:36:41,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 02:36:41,106 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 02:36:41,107 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [895444613] [2020-10-16 02:36:41,107 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 02:36:41,107 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-16 02:36:41,107 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [508721644] [2020-10-16 02:36:41,107 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-16 02:36:41,108 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 02:36:41,108 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-16 02:36:41,108 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 02:36:41,109 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 228 out of 336 [2020-10-16 02:36:41,110 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 51 places, 44 transitions, 136 flow. Second operand 3 states. [2020-10-16 02:36:41,110 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 02:36:41,110 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 228 of 336 [2020-10-16 02:36:41,110 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 02:36:43,516 INFO L129 PetriNetUnfolder]: 30756/40583 cut-off events. [2020-10-16 02:36:43,517 INFO L130 PetriNetUnfolder]: For 30/30 co-relation queries the response was YES. [2020-10-16 02:36:43,664 INFO L80 FinitePrefix]: Finished finitePrefix Result has 76360 conditions, 40583 events. 30756/40583 cut-off events. For 30/30 co-relation queries the response was YES. Maximal size of possible extension queue 2494. Compared 257712 event pairs, 6935 based on Foata normal form. 3422/31002 useless extension candidates. Maximal degree in co-relation 76347. Up to 27319 conditions per place. [2020-10-16 02:36:43,796 INFO L132 encePairwiseOnDemand]: 327/336 looper letters, 32 selfloop transitions, 6 changer transitions 0/60 dead transitions. [2020-10-16 02:36:43,797 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 53 places, 60 transitions, 244 flow [2020-10-16 02:36:43,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-16 02:36:43,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-10-16 02:36:43,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 727 transitions. [2020-10-16 02:36:43,799 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.7212301587301587 [2020-10-16 02:36:43,799 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 727 transitions. [2020-10-16 02:36:43,799 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 727 transitions. [2020-10-16 02:36:43,799 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 02:36:43,799 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 727 transitions. [2020-10-16 02:36:43,801 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 4 states. [2020-10-16 02:36:43,802 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 4 states. [2020-10-16 02:36:43,802 INFO L81 ComplementDD]: Finished complementDD. Result 4 states. [2020-10-16 02:36:43,802 INFO L185 Difference]: Start difference. First operand has 51 places, 44 transitions, 136 flow. Second operand 3 states and 727 transitions. [2020-10-16 02:36:43,803 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 53 places, 60 transitions, 244 flow [2020-10-16 02:36:43,804 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 52 places, 60 transitions, 223 flow, removed 10 selfloop flow, removed 1 redundant places. [2020-10-16 02:36:43,805 INFO L241 Difference]: Finished difference. Result has 53 places, 47 transitions, 151 flow [2020-10-16 02:36:43,805 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=336, PETRI_DIFFERENCE_MINUEND_FLOW=111, PETRI_DIFFERENCE_MINUEND_PLACES=50, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=42, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=36, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=151, PETRI_PLACES=53, PETRI_TRANSITIONS=47} [2020-10-16 02:36:43,805 INFO L342 CegarLoopForPetriNet]: 51 programPoint places, 2 predicate places. [2020-10-16 02:36:43,805 INFO L481 AbstractCegarLoop]: Abstraction has has 53 places, 47 transitions, 151 flow [2020-10-16 02:36:43,805 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-16 02:36:43,805 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 02:36:43,806 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 02:36:43,806 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-10-16 02:36:43,806 INFO L429 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 02:36:43,806 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 02:36:43,806 INFO L82 PathProgramCache]: Analyzing trace with hash 5774037, now seen corresponding path program 1 times [2020-10-16 02:36:43,806 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 02:36:43,807 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1784092924] [2020-10-16 02:36:43,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 02:36:43,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 02:36:43,836 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 02:36:43,837 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1784092924] [2020-10-16 02:36:43,837 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 02:36:43,837 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-16 02:36:43,837 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [213579995] [2020-10-16 02:36:43,838 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-16 02:36:43,838 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 02:36:43,838 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-16 02:36:43,838 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-16 02:36:43,840 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 223 out of 336 [2020-10-16 02:36:43,841 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 53 places, 47 transitions, 151 flow. Second operand 5 states. [2020-10-16 02:36:43,841 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 02:36:43,841 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 223 of 336 [2020-10-16 02:36:43,841 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 02:36:50,323 INFO L129 PetriNetUnfolder]: 56549/76549 cut-off events. [2020-10-16 02:36:50,324 INFO L130 PetriNetUnfolder]: For 5640/5640 co-relation queries the response was YES. [2020-10-16 02:36:50,599 INFO L80 FinitePrefix]: Finished finitePrefix Result has 166845 conditions, 76549 events. 56549/76549 cut-off events. For 5640/5640 co-relation queries the response was YES. Maximal size of possible extension queue 5093. Compared 556547 event pairs, 8426 based on Foata normal form. 560/65163 useless extension candidates. Maximal degree in co-relation 166830. Up to 30773 conditions per place. [2020-10-16 02:36:50,856 INFO L132 encePairwiseOnDemand]: 328/336 looper letters, 73 selfloop transitions, 16 changer transitions 0/109 dead transitions. [2020-10-16 02:36:50,856 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 58 places, 109 transitions, 485 flow [2020-10-16 02:36:50,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-16 02:36:50,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-10-16 02:36:50,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1428 transitions. [2020-10-16 02:36:50,860 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.7083333333333334 [2020-10-16 02:36:50,860 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1428 transitions. [2020-10-16 02:36:50,860 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1428 transitions. [2020-10-16 02:36:50,861 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 02:36:50,861 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1428 transitions. [2020-10-16 02:36:50,863 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 7 states. [2020-10-16 02:36:50,865 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 7 states. [2020-10-16 02:36:50,865 INFO L81 ComplementDD]: Finished complementDD. Result 7 states. [2020-10-16 02:36:50,865 INFO L185 Difference]: Start difference. First operand has 53 places, 47 transitions, 151 flow. Second operand 6 states and 1428 transitions. [2020-10-16 02:36:50,865 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 58 places, 109 transitions, 485 flow [2020-10-16 02:36:50,884 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 57 places, 109 transitions, 475 flow, removed 0 selfloop flow, removed 1 redundant places. [2020-10-16 02:36:50,885 INFO L241 Difference]: Finished difference. Result has 60 places, 57 transitions, 250 flow [2020-10-16 02:36:50,885 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=336, PETRI_DIFFERENCE_MINUEND_FLOW=145, PETRI_DIFFERENCE_MINUEND_PLACES=52, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=47, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=35, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=250, PETRI_PLACES=60, PETRI_TRANSITIONS=57} [2020-10-16 02:36:50,885 INFO L342 CegarLoopForPetriNet]: 51 programPoint places, 9 predicate places. [2020-10-16 02:36:50,885 INFO L481 AbstractCegarLoop]: Abstraction has has 60 places, 57 transitions, 250 flow [2020-10-16 02:36:50,885 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-16 02:36:50,886 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 02:36:50,886 INFO L255 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 02:36:50,886 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2020-10-16 02:36:50,886 INFO L429 AbstractCegarLoop]: === Iteration 3 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 02:36:50,886 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 02:36:50,886 INFO L82 PathProgramCache]: Analyzing trace with hash 1046866640, now seen corresponding path program 1 times [2020-10-16 02:36:50,886 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 02:36:50,886 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2006292069] [2020-10-16 02:36:50,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 02:36:50,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 02:36:50,934 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-10-16 02:36:50,934 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2006292069] [2020-10-16 02:36:50,934 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 02:36:50,934 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-16 02:36:50,934 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [134631269] [2020-10-16 02:36:50,935 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-16 02:36:50,936 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 02:36:50,937 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-16 02:36:50,937 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-16 02:36:50,940 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 220 out of 336 [2020-10-16 02:36:50,941 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 60 places, 57 transitions, 250 flow. Second operand 5 states. [2020-10-16 02:36:50,941 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 02:36:50,941 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 220 of 336 [2020-10-16 02:36:50,941 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 02:37:01,999 INFO L129 PetriNetUnfolder]: 84180/119472 cut-off events. [2020-10-16 02:37:02,000 INFO L130 PetriNetUnfolder]: For 57525/57525 co-relation queries the response was YES. [2020-10-16 02:37:02,509 INFO L80 FinitePrefix]: Finished finitePrefix Result has 293520 conditions, 119472 events. 84180/119472 cut-off events. For 57525/57525 co-relation queries the response was YES. Maximal size of possible extension queue 8871. Compared 1002870 event pairs, 12355 based on Foata normal form. 1222/104235 useless extension candidates. Maximal degree in co-relation 293501. Up to 53501 conditions per place. [2020-10-16 02:37:02,943 INFO L132 encePairwiseOnDemand]: 327/336 looper letters, 81 selfloop transitions, 26 changer transitions 0/127 dead transitions. [2020-10-16 02:37:02,943 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 65 places, 127 transitions, 727 flow [2020-10-16 02:37:02,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-16 02:37:02,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-10-16 02:37:02,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1410 transitions. [2020-10-16 02:37:02,946 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.6994047619047619 [2020-10-16 02:37:02,946 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1410 transitions. [2020-10-16 02:37:02,947 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1410 transitions. [2020-10-16 02:37:02,947 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 02:37:02,947 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1410 transitions. [2020-10-16 02:37:02,949 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 7 states. [2020-10-16 02:37:02,950 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 7 states. [2020-10-16 02:37:02,951 INFO L81 ComplementDD]: Finished complementDD. Result 7 states. [2020-10-16 02:37:02,951 INFO L185 Difference]: Start difference. First operand has 60 places, 57 transitions, 250 flow. Second operand 6 states and 1410 transitions. [2020-10-16 02:37:02,951 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 65 places, 127 transitions, 727 flow [2020-10-16 02:37:04,378 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 63 places, 127 transitions, 686 flow, removed 8 selfloop flow, removed 2 redundant places. [2020-10-16 02:37:04,379 INFO L241 Difference]: Finished difference. Result has 66 places, 73 transitions, 419 flow [2020-10-16 02:37:04,380 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=336, PETRI_DIFFERENCE_MINUEND_FLOW=227, PETRI_DIFFERENCE_MINUEND_PLACES=58, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=57, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=38, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=419, PETRI_PLACES=66, PETRI_TRANSITIONS=73} [2020-10-16 02:37:04,380 INFO L342 CegarLoopForPetriNet]: 51 programPoint places, 15 predicate places. [2020-10-16 02:37:04,380 INFO L481 AbstractCegarLoop]: Abstraction has has 66 places, 73 transitions, 419 flow [2020-10-16 02:37:04,380 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-16 02:37:04,380 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 02:37:04,380 INFO L255 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 02:37:04,380 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2020-10-16 02:37:04,381 INFO L429 AbstractCegarLoop]: === Iteration 4 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 02:37:04,381 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 02:37:04,381 INFO L82 PathProgramCache]: Analyzing trace with hash -1602843581, now seen corresponding path program 1 times [2020-10-16 02:37:04,381 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 02:37:04,381 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1452308841] [2020-10-16 02:37:04,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 02:37:04,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 02:37:04,415 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 02:37:04,415 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1452308841] [2020-10-16 02:37:04,416 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 02:37:04,416 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-16 02:37:04,416 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [275923266] [2020-10-16 02:37:04,416 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-16 02:37:04,416 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 02:37:04,417 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-16 02:37:04,417 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 02:37:04,418 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 241 out of 336 [2020-10-16 02:37:04,418 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 66 places, 73 transitions, 419 flow. Second operand 3 states. [2020-10-16 02:37:04,419 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 02:37:04,419 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 241 of 336 [2020-10-16 02:37:04,419 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 02:37:04,693 INFO L129 PetriNetUnfolder]: 642/1994 cut-off events. [2020-10-16 02:37:04,694 INFO L130 PetriNetUnfolder]: For 1650/2082 co-relation queries the response was YES. [2020-10-16 02:37:04,705 INFO L80 FinitePrefix]: Finished finitePrefix Result has 4837 conditions, 1994 events. 642/1994 cut-off events. For 1650/2082 co-relation queries the response was YES. Maximal size of possible extension queue 159. Compared 17457 event pairs, 228 based on Foata normal form. 491/2186 useless extension candidates. Maximal degree in co-relation 4815. Up to 534 conditions per place. [2020-10-16 02:37:04,714 INFO L132 encePairwiseOnDemand]: 323/336 looper letters, 1 selfloop transitions, 13 changer transitions 0/69 dead transitions. [2020-10-16 02:37:04,714 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 68 places, 69 transitions, 405 flow [2020-10-16 02:37:04,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-16 02:37:04,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-10-16 02:37:04,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 742 transitions. [2020-10-16 02:37:04,717 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.7361111111111112 [2020-10-16 02:37:04,717 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 742 transitions. [2020-10-16 02:37:04,717 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 742 transitions. [2020-10-16 02:37:04,718 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 02:37:04,718 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 742 transitions. [2020-10-16 02:37:04,720 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 4 states. [2020-10-16 02:37:04,722 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 4 states. [2020-10-16 02:37:04,722 INFO L81 ComplementDD]: Finished complementDD. Result 4 states. [2020-10-16 02:37:04,722 INFO L185 Difference]: Start difference. First operand has 66 places, 73 transitions, 419 flow. Second operand 3 states and 742 transitions. [2020-10-16 02:37:04,723 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 68 places, 69 transitions, 405 flow [2020-10-16 02:37:04,738 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 65 places, 69 transitions, 353 flow, removed 11 selfloop flow, removed 3 redundant places. [2020-10-16 02:37:04,739 INFO L241 Difference]: Finished difference. Result has 65 places, 69 transitions, 351 flow [2020-10-16 02:37:04,740 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=336, PETRI_DIFFERENCE_MINUEND_FLOW=325, PETRI_DIFFERENCE_MINUEND_PLACES=63, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=69, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=56, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=351, PETRI_PLACES=65, PETRI_TRANSITIONS=69} [2020-10-16 02:37:04,740 INFO L342 CegarLoopForPetriNet]: 51 programPoint places, 14 predicate places. [2020-10-16 02:37:04,740 INFO L481 AbstractCegarLoop]: Abstraction has has 65 places, 69 transitions, 351 flow [2020-10-16 02:37:04,740 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-16 02:37:04,740 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 02:37:04,740 INFO L255 CegarLoopForPetriNet]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 02:37:04,740 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2020-10-16 02:37:04,741 INFO L429 AbstractCegarLoop]: === Iteration 5 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 02:37:04,741 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 02:37:04,741 INFO L82 PathProgramCache]: Analyzing trace with hash 1558755022, now seen corresponding path program 1 times [2020-10-16 02:37:04,741 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 02:37:04,741 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [521510591] [2020-10-16 02:37:04,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 02:37:04,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 02:37:04,792 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-10-16 02:37:04,793 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [521510591] [2020-10-16 02:37:04,793 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 02:37:04,793 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-16 02:37:04,793 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [489369417] [2020-10-16 02:37:04,793 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-16 02:37:04,793 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 02:37:04,794 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-16 02:37:04,794 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-16 02:37:04,796 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 222 out of 336 [2020-10-16 02:37:04,797 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 65 places, 69 transitions, 351 flow. Second operand 5 states. [2020-10-16 02:37:04,797 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 02:37:04,797 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 222 of 336 [2020-10-16 02:37:04,797 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 02:37:08,119 INFO L129 PetriNetUnfolder]: 17273/31297 cut-off events. [2020-10-16 02:37:08,120 INFO L130 PetriNetUnfolder]: For 17564/17570 co-relation queries the response was YES. [2020-10-16 02:37:08,265 INFO L80 FinitePrefix]: Finished finitePrefix Result has 82431 conditions, 31297 events. 17273/31297 cut-off events. For 17564/17570 co-relation queries the response was YES. Maximal size of possible extension queue 2831. Compared 323748 event pairs, 2589 based on Foata normal form. 456/26429 useless extension candidates. Maximal degree in co-relation 82411. Up to 13740 conditions per place. [2020-10-16 02:37:08,357 INFO L132 encePairwiseOnDemand]: 328/336 looper letters, 87 selfloop transitions, 34 changer transitions 0/141 dead transitions. [2020-10-16 02:37:08,357 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 70 places, 141 transitions, 911 flow [2020-10-16 02:37:08,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-16 02:37:08,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-10-16 02:37:08,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1421 transitions. [2020-10-16 02:37:08,359 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.7048611111111112 [2020-10-16 02:37:08,359 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1421 transitions. [2020-10-16 02:37:08,359 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1421 transitions. [2020-10-16 02:37:08,359 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 02:37:08,359 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1421 transitions. [2020-10-16 02:37:08,360 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 7 states. [2020-10-16 02:37:08,362 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 7 states. [2020-10-16 02:37:08,362 INFO L81 ComplementDD]: Finished complementDD. Result 7 states. [2020-10-16 02:37:08,362 INFO L185 Difference]: Start difference. First operand has 65 places, 69 transitions, 351 flow. Second operand 6 states and 1421 transitions. [2020-10-16 02:37:08,363 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 70 places, 141 transitions, 911 flow [2020-10-16 02:37:08,756 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 69 places, 141 transitions, 888 flow, removed 0 selfloop flow, removed 1 redundant places. [2020-10-16 02:37:08,758 INFO L241 Difference]: Finished difference. Result has 71 places, 86 transitions, 558 flow [2020-10-16 02:37:08,758 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=336, PETRI_DIFFERENCE_MINUEND_FLOW=338, PETRI_DIFFERENCE_MINUEND_PLACES=64, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=69, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=17, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=47, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=558, PETRI_PLACES=71, PETRI_TRANSITIONS=86} [2020-10-16 02:37:08,758 INFO L342 CegarLoopForPetriNet]: 51 programPoint places, 20 predicate places. [2020-10-16 02:37:08,758 INFO L481 AbstractCegarLoop]: Abstraction has has 71 places, 86 transitions, 558 flow [2020-10-16 02:37:08,758 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-16 02:37:08,759 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 02:37:08,759 INFO L255 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 02:37:08,759 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2020-10-16 02:37:08,759 INFO L429 AbstractCegarLoop]: === Iteration 6 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 02:37:08,759 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 02:37:08,759 INFO L82 PathProgramCache]: Analyzing trace with hash -2068338250, now seen corresponding path program 1 times [2020-10-16 02:37:08,759 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 02:37:08,759 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [996074077] [2020-10-16 02:37:08,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 02:37:08,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 02:37:08,838 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-16 02:37:08,838 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [996074077] [2020-10-16 02:37:08,839 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [9511958] [2020-10-16 02:37:08,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-16 02:37:08,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 02:37:08,934 INFO L263 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 7 conjunts are in the unsatisfiable core [2020-10-16 02:37:08,935 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-16 02:37:08,998 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-16 02:37:08,998 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-16 02:37:08,999 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 10 [2020-10-16 02:37:08,999 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1251845142] [2020-10-16 02:37:08,999 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-16 02:37:09,000 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 02:37:09,000 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-16 02:37:09,000 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2020-10-16 02:37:09,002 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 215 out of 336 [2020-10-16 02:37:09,004 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 71 places, 86 transitions, 558 flow. Second operand 12 states. [2020-10-16 02:37:09,004 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 02:37:09,004 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 215 of 336 [2020-10-16 02:37:09,004 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 02:37:12,260 INFO L129 PetriNetUnfolder]: 18604/33841 cut-off events. [2020-10-16 02:37:12,260 INFO L130 PetriNetUnfolder]: For 27947/27947 co-relation queries the response was YES. [2020-10-16 02:37:12,481 INFO L80 FinitePrefix]: Finished finitePrefix Result has 91013 conditions, 33841 events. 18604/33841 cut-off events. For 27947/27947 co-relation queries the response was YES. Maximal size of possible extension queue 2995. Compared 355970 event pairs, 2141 based on Foata normal form. 134/28307 useless extension candidates. Maximal degree in co-relation 90989. Up to 8182 conditions per place. [2020-10-16 02:37:12,581 INFO L132 encePairwiseOnDemand]: 326/336 looper letters, 166 selfloop transitions, 54 changer transitions 0/238 dead transitions. [2020-10-16 02:37:12,581 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 83 places, 238 transitions, 1600 flow [2020-10-16 02:37:12,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-16 02:37:12,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2020-10-16 02:37:12,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 2989 transitions. [2020-10-16 02:37:12,584 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.6842948717948718 [2020-10-16 02:37:12,584 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 2989 transitions. [2020-10-16 02:37:12,584 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 2989 transitions. [2020-10-16 02:37:12,585 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 02:37:12,585 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 2989 transitions. [2020-10-16 02:37:12,587 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 14 states. [2020-10-16 02:37:12,591 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 14 states. [2020-10-16 02:37:12,591 INFO L81 ComplementDD]: Finished complementDD. Result 14 states. [2020-10-16 02:37:12,591 INFO L185 Difference]: Start difference. First operand has 71 places, 86 transitions, 558 flow. Second operand 13 states and 2989 transitions. [2020-10-16 02:37:12,591 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 83 places, 238 transitions, 1600 flow [2020-10-16 02:37:13,584 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 82 places, 238 transitions, 1523 flow, removed 32 selfloop flow, removed 1 redundant places. [2020-10-16 02:37:13,586 INFO L241 Difference]: Finished difference. Result has 84 places, 100 transitions, 742 flow [2020-10-16 02:37:13,586 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=336, PETRI_DIFFERENCE_MINUEND_FLOW=525, PETRI_DIFFERENCE_MINUEND_PLACES=70, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=86, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=40, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=41, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=742, PETRI_PLACES=84, PETRI_TRANSITIONS=100} [2020-10-16 02:37:13,587 INFO L342 CegarLoopForPetriNet]: 51 programPoint places, 33 predicate places. [2020-10-16 02:37:13,587 INFO L481 AbstractCegarLoop]: Abstraction has has 84 places, 100 transitions, 742 flow [2020-10-16 02:37:13,587 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-16 02:37:13,587 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 02:37:13,587 INFO L255 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 02:37:13,787 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2020-10-16 02:37:13,788 INFO L429 AbstractCegarLoop]: === Iteration 7 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 02:37:13,788 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 02:37:13,789 INFO L82 PathProgramCache]: Analyzing trace with hash 1755707858, now seen corresponding path program 1 times [2020-10-16 02:37:13,789 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 02:37:13,789 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [708411867] [2020-10-16 02:37:13,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 02:37:13,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 02:37:13,839 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-10-16 02:37:13,840 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [708411867] [2020-10-16 02:37:13,840 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 02:37:13,840 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-16 02:37:13,840 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2146044871] [2020-10-16 02:37:13,840 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-16 02:37:13,841 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 02:37:13,841 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-16 02:37:13,841 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-16 02:37:13,843 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 215 out of 336 [2020-10-16 02:37:13,844 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 84 places, 100 transitions, 742 flow. Second operand 7 states. [2020-10-16 02:37:13,844 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 02:37:13,844 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 215 of 336 [2020-10-16 02:37:13,845 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 02:37:17,045 INFO L129 PetriNetUnfolder]: 19403/35470 cut-off events. [2020-10-16 02:37:17,045 INFO L130 PetriNetUnfolder]: For 43409/43409 co-relation queries the response was YES. [2020-10-16 02:37:17,243 INFO L80 FinitePrefix]: Finished finitePrefix Result has 100796 conditions, 35470 events. 19403/35470 cut-off events. For 43409/43409 co-relation queries the response was YES. Maximal size of possible extension queue 3100. Compared 377513 event pairs, 2221 based on Foata normal form. 134/29700 useless extension candidates. Maximal degree in co-relation 100769. Up to 8182 conditions per place. [2020-10-16 02:37:17,351 INFO L132 encePairwiseOnDemand]: 326/336 looper letters, 170 selfloop transitions, 59 changer transitions 0/247 dead transitions. [2020-10-16 02:37:17,351 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 96 places, 247 transitions, 1781 flow [2020-10-16 02:37:17,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-16 02:37:17,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2020-10-16 02:37:17,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 2989 transitions. [2020-10-16 02:37:17,354 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.6842948717948718 [2020-10-16 02:37:17,354 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 2989 transitions. [2020-10-16 02:37:17,354 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 2989 transitions. [2020-10-16 02:37:17,355 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 02:37:17,355 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 2989 transitions. [2020-10-16 02:37:17,357 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 14 states. [2020-10-16 02:37:17,361 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 14 states. [2020-10-16 02:37:17,361 INFO L81 ComplementDD]: Finished complementDD. Result 14 states. [2020-10-16 02:37:17,362 INFO L185 Difference]: Start difference. First operand has 84 places, 100 transitions, 742 flow. Second operand 13 states and 2989 transitions. [2020-10-16 02:37:17,362 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 96 places, 247 transitions, 1781 flow [2020-10-16 02:37:18,679 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 90 places, 247 transitions, 1671 flow, removed 10 selfloop flow, removed 6 redundant places. [2020-10-16 02:37:18,682 INFO L241 Difference]: Finished difference. Result has 92 places, 110 transitions, 855 flow [2020-10-16 02:37:18,682 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=336, PETRI_DIFFERENCE_MINUEND_FLOW=635, PETRI_DIFFERENCE_MINUEND_PLACES=78, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=100, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=49, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=47, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=855, PETRI_PLACES=92, PETRI_TRANSITIONS=110} [2020-10-16 02:37:18,682 INFO L342 CegarLoopForPetriNet]: 51 programPoint places, 41 predicate places. [2020-10-16 02:37:18,682 INFO L481 AbstractCegarLoop]: Abstraction has has 92 places, 110 transitions, 855 flow [2020-10-16 02:37:18,682 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-16 02:37:18,682 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 02:37:18,683 INFO L255 CegarLoopForPetriNet]: trace histogram [4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 02:37:18,683 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2020-10-16 02:37:18,683 INFO L429 AbstractCegarLoop]: === Iteration 8 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 02:37:18,683 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 02:37:18,683 INFO L82 PathProgramCache]: Analyzing trace with hash -436163355, now seen corresponding path program 1 times [2020-10-16 02:37:18,683 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 02:37:18,683 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [62733739] [2020-10-16 02:37:18,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 02:37:18,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 02:37:18,737 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-10-16 02:37:18,737 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [62733739] [2020-10-16 02:37:18,737 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 02:37:18,737 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-16 02:37:18,737 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1950054581] [2020-10-16 02:37:18,738 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-16 02:37:18,738 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 02:37:18,738 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-16 02:37:18,738 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-16 02:37:18,740 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 223 out of 336 [2020-10-16 02:37:18,740 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 92 places, 110 transitions, 855 flow. Second operand 5 states. [2020-10-16 02:37:18,740 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 02:37:18,741 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 223 of 336 [2020-10-16 02:37:18,741 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 02:37:22,705 INFO L129 PetriNetUnfolder]: 26367/48419 cut-off events. [2020-10-16 02:37:22,705 INFO L130 PetriNetUnfolder]: For 90656/90690 co-relation queries the response was YES. [2020-10-16 02:37:23,005 INFO L80 FinitePrefix]: Finished finitePrefix Result has 143633 conditions, 48419 events. 26367/48419 cut-off events. For 90656/90690 co-relation queries the response was YES. Maximal size of possible extension queue 4733. Compared 536125 event pairs, 4051 based on Foata normal form. 652/40695 useless extension candidates. Maximal degree in co-relation 143605. Up to 23583 conditions per place. [2020-10-16 02:37:23,151 INFO L132 encePairwiseOnDemand]: 328/336 looper letters, 136 selfloop transitions, 54 changer transitions 0/210 dead transitions. [2020-10-16 02:37:23,152 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 97 places, 210 transitions, 1939 flow [2020-10-16 02:37:23,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-16 02:37:23,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-10-16 02:37:23,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1427 transitions. [2020-10-16 02:37:23,154 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.7078373015873016 [2020-10-16 02:37:23,154 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1427 transitions. [2020-10-16 02:37:23,154 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1427 transitions. [2020-10-16 02:37:23,154 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 02:37:23,154 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1427 transitions. [2020-10-16 02:37:23,155 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 7 states. [2020-10-16 02:37:23,156 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 7 states. [2020-10-16 02:37:23,157 INFO L81 ComplementDD]: Finished complementDD. Result 7 states. [2020-10-16 02:37:23,157 INFO L185 Difference]: Start difference. First operand has 92 places, 110 transitions, 855 flow. Second operand 6 states and 1427 transitions. [2020-10-16 02:37:23,157 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 97 places, 210 transitions, 1939 flow [2020-10-16 02:37:25,593 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 91 places, 210 transitions, 1792 flow, removed 20 selfloop flow, removed 6 redundant places. [2020-10-16 02:37:25,596 INFO L241 Difference]: Finished difference. Result has 93 places, 135 transitions, 1174 flow [2020-10-16 02:37:25,596 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=336, PETRI_DIFFERENCE_MINUEND_FLOW=770, PETRI_DIFFERENCE_MINUEND_PLACES=86, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=110, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=29, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=76, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1174, PETRI_PLACES=93, PETRI_TRANSITIONS=135} [2020-10-16 02:37:25,596 INFO L342 CegarLoopForPetriNet]: 51 programPoint places, 42 predicate places. [2020-10-16 02:37:25,596 INFO L481 AbstractCegarLoop]: Abstraction has has 93 places, 135 transitions, 1174 flow [2020-10-16 02:37:25,596 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-16 02:37:25,596 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 02:37:25,596 INFO L255 CegarLoopForPetriNet]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 02:37:25,596 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2020-10-16 02:37:25,597 INFO L429 AbstractCegarLoop]: === Iteration 9 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 02:37:25,597 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 02:37:25,597 INFO L82 PathProgramCache]: Analyzing trace with hash 1302225456, now seen corresponding path program 1 times [2020-10-16 02:37:25,597 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 02:37:25,597 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [713725051] [2020-10-16 02:37:25,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 02:37:25,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 02:37:25,655 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-10-16 02:37:25,656 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [713725051] [2020-10-16 02:37:25,656 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [987487678] [2020-10-16 02:37:25,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-16 02:37:25,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 02:37:25,750 INFO L263 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 7 conjunts are in the unsatisfiable core [2020-10-16 02:37:25,751 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-16 02:37:25,815 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-10-16 02:37:25,816 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-16 02:37:25,816 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 10 [2020-10-16 02:37:25,816 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1708780784] [2020-10-16 02:37:25,816 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-16 02:37:25,817 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 02:37:25,817 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-16 02:37:25,817 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2020-10-16 02:37:25,819 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 217 out of 336 [2020-10-16 02:37:25,820 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 93 places, 135 transitions, 1174 flow. Second operand 12 states. [2020-10-16 02:37:25,820 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 02:37:25,820 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 217 of 336 [2020-10-16 02:37:25,820 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 02:37:33,083 INFO L129 PetriNetUnfolder]: 28677/52017 cut-off events. [2020-10-16 02:37:33,083 INFO L130 PetriNetUnfolder]: For 106851/106857 co-relation queries the response was YES. [2020-10-16 02:37:33,376 INFO L80 FinitePrefix]: Finished finitePrefix Result has 160261 conditions, 52017 events. 28677/52017 cut-off events. For 106851/106857 co-relation queries the response was YES. Maximal size of possible extension queue 5086. Compared 580593 event pairs, 3438 based on Foata normal form. 240/43091 useless extension candidates. Maximal degree in co-relation 160231. Up to 13927 conditions per place. [2020-10-16 02:37:33,517 INFO L132 encePairwiseOnDemand]: 327/336 looper letters, 200 selfloop transitions, 83 changer transitions 0/301 dead transitions. [2020-10-16 02:37:33,517 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 105 places, 301 transitions, 2639 flow [2020-10-16 02:37:33,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-16 02:37:33,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2020-10-16 02:37:33,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 3017 transitions. [2020-10-16 02:37:33,521 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.6907051282051282 [2020-10-16 02:37:33,521 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 3017 transitions. [2020-10-16 02:37:33,521 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 3017 transitions. [2020-10-16 02:37:33,522 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 02:37:33,522 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 3017 transitions. [2020-10-16 02:37:33,524 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 14 states. [2020-10-16 02:37:33,528 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 14 states. [2020-10-16 02:37:33,528 INFO L81 ComplementDD]: Finished complementDD. Result 14 states. [2020-10-16 02:37:33,528 INFO L185 Difference]: Start difference. First operand has 93 places, 135 transitions, 1174 flow. Second operand 13 states and 3017 transitions. [2020-10-16 02:37:33,529 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 105 places, 301 transitions, 2639 flow [2020-10-16 02:37:35,918 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 104 places, 301 transitions, 2514 flow, removed 52 selfloop flow, removed 1 redundant places. [2020-10-16 02:37:35,922 INFO L241 Difference]: Finished difference. Result has 106 places, 152 transitions, 1455 flow [2020-10-16 02:37:35,922 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=336, PETRI_DIFFERENCE_MINUEND_FLOW=1119, PETRI_DIFFERENCE_MINUEND_PLACES=92, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=135, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=66, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=65, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=1455, PETRI_PLACES=106, PETRI_TRANSITIONS=152} [2020-10-16 02:37:35,922 INFO L342 CegarLoopForPetriNet]: 51 programPoint places, 55 predicate places. [2020-10-16 02:37:35,922 INFO L481 AbstractCegarLoop]: Abstraction has has 106 places, 152 transitions, 1455 flow [2020-10-16 02:37:35,922 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-16 02:37:35,923 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 02:37:35,923 INFO L255 CegarLoopForPetriNet]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 02:37:36,128 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2020-10-16 02:37:36,128 INFO L429 AbstractCegarLoop]: === Iteration 10 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 02:37:36,129 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 02:37:36,129 INFO L82 PathProgramCache]: Analyzing trace with hash -912267010, now seen corresponding path program 1 times [2020-10-16 02:37:36,129 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 02:37:36,130 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [926904346] [2020-10-16 02:37:36,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 02:37:36,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 02:37:36,217 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-10-16 02:37:36,218 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [926904346] [2020-10-16 02:37:36,218 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1857739617] [2020-10-16 02:37:36,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-16 02:37:36,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 02:37:36,302 INFO L263 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 7 conjunts are in the unsatisfiable core [2020-10-16 02:37:36,303 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-16 02:37:36,382 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-10-16 02:37:36,383 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-16 02:37:36,383 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 10 [2020-10-16 02:37:36,383 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [855095930] [2020-10-16 02:37:36,383 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-16 02:37:36,383 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 02:37:36,384 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-16 02:37:36,384 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2020-10-16 02:37:36,388 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 214 out of 336 [2020-10-16 02:37:36,389 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 106 places, 152 transitions, 1455 flow. Second operand 12 states. [2020-10-16 02:37:36,389 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 02:37:36,389 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 214 of 336 [2020-10-16 02:37:36,389 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 02:37:41,744 INFO L129 PetriNetUnfolder]: 29609/54524 cut-off events. [2020-10-16 02:37:41,744 INFO L130 PetriNetUnfolder]: For 138698/138698 co-relation queries the response was YES. [2020-10-16 02:37:42,113 INFO L80 FinitePrefix]: Finished finitePrefix Result has 172814 conditions, 54524 events. 29609/54524 cut-off events. For 138698/138698 co-relation queries the response was YES. Maximal size of possible extension queue 5365. Compared 620154 event pairs, 3419 based on Foata normal form. 234/45280 useless extension candidates. Maximal degree in co-relation 172781. Up to 15679 conditions per place. [2020-10-16 02:37:42,272 INFO L132 encePairwiseOnDemand]: 326/336 looper letters, 215 selfloop transitions, 94 changer transitions 0/327 dead transitions. [2020-10-16 02:37:42,272 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 118 places, 327 transitions, 3018 flow [2020-10-16 02:37:42,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-16 02:37:42,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2020-10-16 02:37:42,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 2979 transitions. [2020-10-16 02:37:42,275 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.6820054945054945 [2020-10-16 02:37:42,275 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 2979 transitions. [2020-10-16 02:37:42,276 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 2979 transitions. [2020-10-16 02:37:42,276 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 02:37:42,277 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 2979 transitions. [2020-10-16 02:37:42,279 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 14 states. [2020-10-16 02:37:42,282 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 14 states. [2020-10-16 02:37:42,282 INFO L81 ComplementDD]: Finished complementDD. Result 14 states. [2020-10-16 02:37:42,282 INFO L185 Difference]: Start difference. First operand has 106 places, 152 transitions, 1455 flow. Second operand 13 states and 2979 transitions. [2020-10-16 02:37:42,282 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 118 places, 327 transitions, 3018 flow [2020-10-16 02:37:45,355 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 115 places, 327 transitions, 2898 flow, removed 27 selfloop flow, removed 3 redundant places. [2020-10-16 02:37:45,358 INFO L241 Difference]: Finished difference. Result has 117 places, 174 transitions, 1766 flow [2020-10-16 02:37:45,358 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=336, PETRI_DIFFERENCE_MINUEND_FLOW=1363, PETRI_DIFFERENCE_MINUEND_PLACES=103, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=152, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=72, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=76, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=1766, PETRI_PLACES=117, PETRI_TRANSITIONS=174} [2020-10-16 02:37:45,358 INFO L342 CegarLoopForPetriNet]: 51 programPoint places, 66 predicate places. [2020-10-16 02:37:45,359 INFO L481 AbstractCegarLoop]: Abstraction has has 117 places, 174 transitions, 1766 flow [2020-10-16 02:37:45,359 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-16 02:37:45,359 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 02:37:45,359 INFO L255 CegarLoopForPetriNet]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 02:37:45,559 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2020-10-16 02:37:45,560 INFO L429 AbstractCegarLoop]: === Iteration 11 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 02:37:45,560 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 02:37:45,560 INFO L82 PathProgramCache]: Analyzing trace with hash -1177705100, now seen corresponding path program 1 times [2020-10-16 02:37:45,561 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 02:37:45,561 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [722367246] [2020-10-16 02:37:45,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 02:37:45,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 02:37:45,625 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-10-16 02:37:45,625 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [722367246] [2020-10-16 02:37:45,626 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 02:37:45,626 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-16 02:37:45,626 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1904392449] [2020-10-16 02:37:45,626 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-16 02:37:45,626 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 02:37:45,627 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-16 02:37:45,627 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-16 02:37:45,629 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 217 out of 336 [2020-10-16 02:37:45,630 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 117 places, 174 transitions, 1766 flow. Second operand 7 states. [2020-10-16 02:37:45,630 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 02:37:45,630 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 217 of 336 [2020-10-16 02:37:45,630 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 02:37:51,330 INFO L129 PetriNetUnfolder]: 30879/56597 cut-off events. [2020-10-16 02:37:51,331 INFO L130 PetriNetUnfolder]: For 175952/175958 co-relation queries the response was YES. [2020-10-16 02:37:51,759 INFO L80 FinitePrefix]: Finished finitePrefix Result has 186717 conditions, 56597 events. 30879/56597 cut-off events. For 175952/175958 co-relation queries the response was YES. Maximal size of possible extension queue 5616. Compared 644809 event pairs, 3543 based on Foata normal form. 214/46885 useless extension candidates. Maximal degree in co-relation 186682. Up to 15693 conditions per place. [2020-10-16 02:37:51,932 INFO L132 encePairwiseOnDemand]: 327/336 looper letters, 219 selfloop transitions, 102 changer transitions 0/339 dead transitions. [2020-10-16 02:37:51,932 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 129 places, 339 transitions, 3377 flow [2020-10-16 02:37:51,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-16 02:37:51,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2020-10-16 02:37:51,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 3017 transitions. [2020-10-16 02:37:51,935 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.6907051282051282 [2020-10-16 02:37:51,935 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 3017 transitions. [2020-10-16 02:37:51,935 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 3017 transitions. [2020-10-16 02:37:51,936 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 02:37:51,936 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 3017 transitions. [2020-10-16 02:37:51,938 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 14 states. [2020-10-16 02:37:51,941 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 14 states. [2020-10-16 02:37:51,941 INFO L81 ComplementDD]: Finished complementDD. Result 14 states. [2020-10-16 02:37:51,941 INFO L185 Difference]: Start difference. First operand has 117 places, 174 transitions, 1766 flow. Second operand 13 states and 3017 transitions. [2020-10-16 02:37:51,941 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 129 places, 339 transitions, 3377 flow [2020-10-16 02:37:58,185 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 128 places, 339 transitions, 3310 flow, removed 29 selfloop flow, removed 1 redundant places. [2020-10-16 02:37:58,190 INFO L241 Difference]: Finished difference. Result has 130 places, 190 transitions, 2143 flow [2020-10-16 02:37:58,190 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=336, PETRI_DIFFERENCE_MINUEND_FLOW=1725, PETRI_DIFFERENCE_MINUEND_PLACES=116, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=174, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=86, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=84, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=2143, PETRI_PLACES=130, PETRI_TRANSITIONS=190} [2020-10-16 02:37:58,190 INFO L342 CegarLoopForPetriNet]: 51 programPoint places, 79 predicate places. [2020-10-16 02:37:58,191 INFO L481 AbstractCegarLoop]: Abstraction has has 130 places, 190 transitions, 2143 flow [2020-10-16 02:37:58,191 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-16 02:37:58,191 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 02:37:58,191 INFO L255 CegarLoopForPetriNet]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 02:37:58,191 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2020-10-16 02:37:58,191 INFO L429 AbstractCegarLoop]: === Iteration 12 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 02:37:58,191 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 02:37:58,191 INFO L82 PathProgramCache]: Analyzing trace with hash -1177431804, now seen corresponding path program 1 times [2020-10-16 02:37:58,191 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 02:37:58,192 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [644948811] [2020-10-16 02:37:58,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 02:37:58,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 02:37:58,251 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-10-16 02:37:58,251 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [644948811] [2020-10-16 02:37:58,251 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 02:37:58,251 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-16 02:37:58,252 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [604301037] [2020-10-16 02:37:58,252 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-16 02:37:58,252 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 02:37:58,252 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-16 02:37:58,252 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-16 02:37:58,254 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 214 out of 336 [2020-10-16 02:37:58,254 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 130 places, 190 transitions, 2143 flow. Second operand 7 states. [2020-10-16 02:37:58,255 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 02:37:58,255 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 214 of 336 [2020-10-16 02:37:58,255 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 02:38:03,903 INFO L129 PetriNetUnfolder]: 31757/59260 cut-off events. [2020-10-16 02:38:03,903 INFO L130 PetriNetUnfolder]: For 226865/226865 co-relation queries the response was YES. [2020-10-16 02:38:04,449 INFO L80 FinitePrefix]: Finished finitePrefix Result has 201517 conditions, 59260 events. 31757/59260 cut-off events. For 226865/226865 co-relation queries the response was YES. Maximal size of possible extension queue 5898. Compared 690126 event pairs, 3606 based on Foata normal form. 234/49218 useless extension candidates. Maximal degree in co-relation 201479. Up to 15679 conditions per place. [2020-10-16 02:38:05,532 INFO L132 encePairwiseOnDemand]: 326/336 looper letters, 223 selfloop transitions, 114 changer transitions 0/355 dead transitions. [2020-10-16 02:38:05,532 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 142 places, 355 transitions, 3793 flow [2020-10-16 02:38:05,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-16 02:38:05,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2020-10-16 02:38:05,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 2979 transitions. [2020-10-16 02:38:05,535 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.6820054945054945 [2020-10-16 02:38:05,535 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 2979 transitions. [2020-10-16 02:38:05,535 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 2979 transitions. [2020-10-16 02:38:05,536 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 02:38:05,536 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 2979 transitions. [2020-10-16 02:38:05,538 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 14 states. [2020-10-16 02:38:05,541 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 14 states. [2020-10-16 02:38:05,541 INFO L81 ComplementDD]: Finished complementDD. Result 14 states. [2020-10-16 02:38:05,541 INFO L185 Difference]: Start difference. First operand has 130 places, 190 transitions, 2143 flow. Second operand 13 states and 2979 transitions. [2020-10-16 02:38:05,541 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 142 places, 355 transitions, 3793 flow [2020-10-16 02:38:10,515 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 136 places, 355 transitions, 3619 flow, removed 34 selfloop flow, removed 6 redundant places. [2020-10-16 02:38:10,519 INFO L241 Difference]: Finished difference. Result has 138 places, 209 transitions, 2492 flow [2020-10-16 02:38:10,520 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=336, PETRI_DIFFERENCE_MINUEND_FLOW=2006, PETRI_DIFFERENCE_MINUEND_PLACES=124, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=190, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=95, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=90, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=2492, PETRI_PLACES=138, PETRI_TRANSITIONS=209} [2020-10-16 02:38:10,520 INFO L342 CegarLoopForPetriNet]: 51 programPoint places, 87 predicate places. [2020-10-16 02:38:10,520 INFO L481 AbstractCegarLoop]: Abstraction has has 138 places, 209 transitions, 2492 flow [2020-10-16 02:38:10,520 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-16 02:38:10,520 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 02:38:10,520 INFO L255 CegarLoopForPetriNet]: trace histogram [6, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 02:38:10,521 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2020-10-16 02:38:10,521 INFO L429 AbstractCegarLoop]: === Iteration 13 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 02:38:10,521 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 02:38:10,521 INFO L82 PathProgramCache]: Analyzing trace with hash -2118368727, now seen corresponding path program 1 times [2020-10-16 02:38:10,521 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 02:38:10,521 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1829871550] [2020-10-16 02:38:10,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 02:38:10,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-16 02:38:10,531 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-16 02:38:10,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-16 02:38:10,539 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-16 02:38:10,547 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-16 02:38:10,547 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-16 02:38:10,548 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2020-10-16 02:38:10,548 WARN L264 etLargeBlockEncoding]: Failed to translate choice composition: Branch encoders not available. [2020-10-16 02:38:10,548 WARN L371 ceAbstractionStarter]: 5 thread instances were not sufficient, I will increase this number and restart the analysis [2020-10-16 02:38:10,549 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 6 thread instances. [2020-10-16 02:38:10,564 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:38:10,564 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:38:10,565 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:38:10,565 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:38:10,565 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:38:10,565 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of6ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:38:10,565 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:38:10,565 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of6ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:38:10,565 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:38:10,565 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:38:10,566 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:38:10,566 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:38:10,566 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:38:10,566 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:38:10,566 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:38:10,566 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of6ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:38:10,566 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of6ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:38:10,566 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:38:10,567 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:38:10,567 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:38:10,567 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:38:10,567 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread6of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:38:10,567 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread6of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:38:10,567 WARN L313 ript$VariableManager]: TermVariabe thr2Thread6of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:38:10,567 WARN L313 ript$VariableManager]: TermVariabe thr2Thread6of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:38:10,568 WARN L313 ript$VariableManager]: TermVariabe thr2Thread6of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:38:10,568 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread6of6ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:38:10,568 WARN L313 ript$VariableManager]: TermVariabe thr2Thread6of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:38:10,568 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread6of6ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:38:10,568 WARN L313 ript$VariableManager]: TermVariabe thr2Thread6of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:38:10,568 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread6of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:38:10,568 WARN L313 ript$VariableManager]: TermVariabe thr2Thread6of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:38:10,568 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread6of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:38:10,568 WARN L313 ript$VariableManager]: TermVariabe thr2Thread6of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:38:10,569 WARN L313 ript$VariableManager]: TermVariabe thr2Thread6of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:38:10,569 WARN L313 ript$VariableManager]: TermVariabe thr2Thread6of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:38:10,569 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread6of6ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:38:10,569 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread6of6ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:38:10,569 WARN L313 ript$VariableManager]: TermVariabe thr2Thread6of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:38:10,569 WARN L313 ript$VariableManager]: TermVariabe thr2Thread6of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:38:10,569 WARN L313 ript$VariableManager]: TermVariabe thr2Thread6of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:38:10,570 WARN L313 ript$VariableManager]: TermVariabe thr2Thread6of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:38:10,570 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:38:10,570 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:38:10,570 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:38:10,570 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:38:10,570 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:38:10,570 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of6ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:38:10,570 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:38:10,571 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of6ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:38:10,571 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:38:10,571 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:38:10,571 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:38:10,571 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:38:10,571 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:38:10,571 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:38:10,571 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:38:10,571 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of6ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:38:10,572 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of6ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:38:10,572 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:38:10,572 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:38:10,572 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:38:10,572 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:38:10,572 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:38:10,572 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:38:10,573 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:38:10,573 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:38:10,573 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:38:10,573 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of6ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:38:10,573 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:38:10,573 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of6ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:38:10,573 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:38:10,573 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:38:10,573 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:38:10,574 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:38:10,574 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:38:10,574 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:38:10,574 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:38:10,574 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of6ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:38:10,574 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of6ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:38:10,574 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:38:10,575 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:38:10,575 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:38:10,575 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:38:10,575 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:38:10,575 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:38:10,575 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:38:10,575 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:38:10,575 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:38:10,576 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of6ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:38:10,576 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:38:10,576 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of6ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:38:10,576 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:38:10,576 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:38:10,576 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:38:10,576 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:38:10,576 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:38:10,576 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:38:10,577 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:38:10,577 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of6ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:38:10,577 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of6ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:38:10,577 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:38:10,577 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:38:10,577 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:38:10,577 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:38:10,578 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:38:10,578 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:38:10,578 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:38:10,578 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:38:10,578 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:38:10,578 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of6ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:38:10,578 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:38:10,578 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of6ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:38:10,579 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:38:10,579 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:38:10,579 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:38:10,579 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:38:10,579 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:38:10,579 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:38:10,579 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:38:10,579 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of6ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:38:10,580 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of6ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:38:10,580 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:38:10,580 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:38:10,580 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:38:10,580 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:38:10,580 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:38:10,580 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:38:10,580 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of6ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:38:10,581 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of6ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:38:10,581 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:38:10,581 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:38:10,581 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:38:10,581 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:38:10,581 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:38:10,581 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:38:10,582 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:38:10,582 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:38:10,582 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of6ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:38:10,582 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of6ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:38:10,582 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:38:10,582 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:38:10,582 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:38:10,582 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:38:10,582 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:38:10,583 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:38:10,583 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:38:10,583 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:38:10,583 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of6ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:38:10,583 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of6ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:38:10,583 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:38:10,583 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:38:10,583 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:38:10,584 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:38:10,584 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:38:10,584 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:38:10,584 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:38:10,584 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:38:10,584 WARN L313 ript$VariableManager]: TermVariabe thr1Thread6of6ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:38:10,584 WARN L313 ript$VariableManager]: TermVariabe thr1Thread6of6ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:38:10,584 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:38:10,585 WARN L313 ript$VariableManager]: TermVariabe thr1Thread6of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:38:10,585 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:38:10,585 WARN L313 ript$VariableManager]: TermVariabe thr1Thread6of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:38:10,585 WARN L313 ript$VariableManager]: TermVariabe thr1Thread6of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:38:10,585 WARN L313 ript$VariableManager]: TermVariabe thr1Thread6of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:38:10,585 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:38:10,585 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:38:10,585 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of6ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:38:10,586 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of6ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:38:10,586 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:38:10,586 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:38:10,586 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:38:10,586 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:38:10,586 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:38:10,586 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:38:10,586 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:38:10,586 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:38:10,587 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of6ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:38:10,587 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of6ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:38:10,587 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:38:10,587 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:38:10,587 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:38:10,587 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:38:10,587 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:38:10,587 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:38:10,588 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of6ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:38:10,588 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:38:10,588 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of6ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:38:10,588 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:38:10,588 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:38:10,588 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:38:10,589 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:38:10,589 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:38:10,589 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:38:10,589 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:38:10,596 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:38:10,596 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:38:10,596 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:38:10,596 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of6ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:38:10,596 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of6ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:38:10,596 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:38:10,597 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:38:10,597 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:38:10,597 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:38:10,597 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:38:10,602 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:38:10,602 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:38:10,602 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:38:10,603 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:38:10,603 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:38:10,603 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of6ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:38:10,603 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of6ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:38:10,603 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:38:10,603 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:38:10,603 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:38:10,605 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:38:10,605 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:38:10,605 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:38:10,605 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:38:10,605 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:38:10,605 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of6ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:38:10,605 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:38:10,606 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:38:10,606 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of6ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:38:10,606 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:38:10,607 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:38:10,607 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of6ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:38:10,607 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:38:10,607 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:38:10,607 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of6ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:38:10,607 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:38:10,607 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:38:10,608 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:38:10,608 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:38:10,608 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:38:10,611 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread6of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:38:10,611 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread6of6ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:38:10,611 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread6of6ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:38:10,612 WARN L313 ript$VariableManager]: TermVariabe thr2Thread6of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:38:10,612 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread6of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:38:10,612 WARN L313 ript$VariableManager]: TermVariabe thr2Thread6of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:38:10,612 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread6of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:38:10,612 WARN L313 ript$VariableManager]: TermVariabe thr2Thread6of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:38:10,612 WARN L313 ript$VariableManager]: TermVariabe thr2Thread6of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:38:10,612 WARN L313 ript$VariableManager]: TermVariabe thr2Thread6of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:38:10,613 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:38:10,614 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:38:10,614 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:38:10,614 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of6ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:38:10,614 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:38:10,614 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of6ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:38:10,615 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of6ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:38:10,615 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:38:10,615 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of6ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:38:10,615 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:38:10,615 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:38:10,616 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:38:10,616 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of6ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:38:10,617 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of6ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:38:10,617 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:38:10,617 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:38:10,617 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:38:10,617 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:38:10,618 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:38:10,618 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of6ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:38:10,618 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:38:10,618 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of6ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:38:10,618 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:38:10,619 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:38:10,619 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:38:10,620 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:38:10,620 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:38:10,620 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of6ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:38:10,620 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of6ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:38:10,620 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:38:10,621 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:38:10,621 WARN L313 ript$VariableManager]: TermVariabe thr1Thread6of6ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:38:10,621 WARN L313 ript$VariableManager]: TermVariabe thr1Thread6of6ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:38:10,621 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:38:10,621 WARN L313 ript$VariableManager]: TermVariabe thr1Thread6of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:38:10,622 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:38:10,623 INFO L253 AbstractCegarLoop]: Starting to check reachability of 9 error locations. [2020-10-16 02:38:10,623 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-16 02:38:10,623 INFO L378 AbstractCegarLoop]: Hoare is false [2020-10-16 02:38:10,623 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-16 02:38:10,623 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-16 02:38:10,623 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-16 02:38:10,623 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-16 02:38:10,623 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-16 02:38:10,624 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-16 02:38:10,626 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 227 places, 221 transitions, 562 flow [2020-10-16 02:38:10,651 INFO L129 PetriNetUnfolder]: 21/256 cut-off events. [2020-10-16 02:38:10,651 INFO L130 PetriNetUnfolder]: For 50/50 co-relation queries the response was YES. [2020-10-16 02:38:10,654 INFO L80 FinitePrefix]: Finished finitePrefix Result has 304 conditions, 256 events. 21/256 cut-off events. For 50/50 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 641 event pairs, 0 based on Foata normal form. 0/227 useless extension candidates. Maximal degree in co-relation 291. Up to 14 conditions per place. [2020-10-16 02:38:10,654 INFO L82 GeneralOperation]: Start removeDead. Operand has 227 places, 221 transitions, 562 flow [2020-10-16 02:38:10,656 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 171 places, 170 transitions, 403 flow [2020-10-16 02:38:10,656 INFO L129 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-10-16 02:38:10,656 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 171 places, 170 transitions, 403 flow [2020-10-16 02:38:10,656 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 171 places, 170 transitions, 403 flow [2020-10-16 02:38:10,656 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 171 places, 170 transitions, 403 flow [2020-10-16 02:38:10,680 INFO L129 PetriNetUnfolder]: 21/256 cut-off events. [2020-10-16 02:38:10,680 INFO L130 PetriNetUnfolder]: For 50/50 co-relation queries the response was YES. [2020-10-16 02:38:10,683 INFO L80 FinitePrefix]: Finished finitePrefix Result has 299 conditions, 256 events. 21/256 cut-off events. For 50/50 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 630 event pairs, 0 based on Foata normal form. 0/227 useless extension candidates. Maximal degree in co-relation 260. Up to 14 conditions per place. [2020-10-16 02:38:10,699 INFO L117 LiptonReduction]: Number of co-enabled transitions 16092 [2020-10-16 02:38:12,867 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2020-10-16 02:38:14,471 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 77 [2020-10-16 02:38:14,938 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 58 [2020-10-16 02:38:15,411 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 100 [2020-10-16 02:38:15,521 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2020-10-16 02:38:15,564 INFO L132 LiptonReduction]: Checked pairs total: 27133 [2020-10-16 02:38:15,564 INFO L134 LiptonReduction]: Total number of compositions: 161 [2020-10-16 02:38:15,564 INFO L182 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 4908 [2020-10-16 02:38:15,565 INFO L129 PetriNetUnfolder]: 0/3 cut-off events. [2020-10-16 02:38:15,565 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-16 02:38:15,565 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 02:38:15,565 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2020-10-16 02:38:15,566 INFO L429 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 02:38:15,566 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 02:38:15,566 INFO L82 PathProgramCache]: Analyzing trace with hash 1891446, now seen corresponding path program 1 times [2020-10-16 02:38:15,566 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 02:38:15,566 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [985457445] [2020-10-16 02:38:15,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 02:38:15,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 02:38:15,588 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 02:38:15,589 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [985457445] [2020-10-16 02:38:15,589 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 02:38:15,589 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-16 02:38:15,589 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [951086137] [2020-10-16 02:38:15,589 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-16 02:38:15,589 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 02:38:15,590 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-16 02:38:15,590 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 02:38:15,591 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 254 out of 382 [2020-10-16 02:38:15,592 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 58 places, 51 transitions, 165 flow. Second operand 3 states. [2020-10-16 02:38:15,592 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 02:38:15,592 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 254 of 382 [2020-10-16 02:38:15,592 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 02:38:30,534 INFO L129 PetriNetUnfolder]: 138263/172004 cut-off events. [2020-10-16 02:38:30,534 INFO L130 PetriNetUnfolder]: For 50/50 co-relation queries the response was YES. [2020-10-16 02:38:31,268 INFO L80 FinitePrefix]: Finished finitePrefix Result has 326506 conditions, 172004 events. 138263/172004 cut-off events. For 50/50 co-relation queries the response was YES. Maximal size of possible extension queue 8051. Compared 1052734 event pairs, 26989 based on Foata normal form. 19233/135484 useless extension candidates. Maximal degree in co-relation 326492. Up to 125299 conditions per place. [2020-10-16 02:38:31,902 INFO L132 encePairwiseOnDemand]: 371/382 looper letters, 37 selfloop transitions, 7 changer transitions 0/69 dead transitions. [2020-10-16 02:38:31,902 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 60 places, 69 transitions, 289 flow [2020-10-16 02:38:31,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-16 02:38:31,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-10-16 02:38:31,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 813 transitions. [2020-10-16 02:38:31,904 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.7094240837696335 [2020-10-16 02:38:31,904 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 813 transitions. [2020-10-16 02:38:31,904 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 813 transitions. [2020-10-16 02:38:31,904 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 02:38:31,904 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 813 transitions. [2020-10-16 02:38:31,905 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 4 states. [2020-10-16 02:38:31,906 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 4 states. [2020-10-16 02:38:31,906 INFO L81 ComplementDD]: Finished complementDD. Result 4 states. [2020-10-16 02:38:31,906 INFO L185 Difference]: Start difference. First operand has 58 places, 51 transitions, 165 flow. Second operand 3 states and 813 transitions. [2020-10-16 02:38:31,907 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 60 places, 69 transitions, 289 flow [2020-10-16 02:38:31,908 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 59 places, 69 transitions, 258 flow, removed 15 selfloop flow, removed 1 redundant places. [2020-10-16 02:38:31,909 INFO L241 Difference]: Finished difference. Result has 60 places, 54 transitions, 175 flow [2020-10-16 02:38:31,909 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=382, PETRI_DIFFERENCE_MINUEND_FLOW=128, PETRI_DIFFERENCE_MINUEND_PLACES=57, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=48, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=41, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=175, PETRI_PLACES=60, PETRI_TRANSITIONS=54} [2020-10-16 02:38:31,909 INFO L342 CegarLoopForPetriNet]: 58 programPoint places, 2 predicate places. [2020-10-16 02:38:31,909 INFO L481 AbstractCegarLoop]: Abstraction has has 60 places, 54 transitions, 175 flow [2020-10-16 02:38:31,909 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-16 02:38:31,909 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 02:38:31,910 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 02:38:31,910 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2020-10-16 02:38:31,910 INFO L429 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 02:38:31,910 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 02:38:31,910 INFO L82 PathProgramCache]: Analyzing trace with hash -314267951, now seen corresponding path program 1 times [2020-10-16 02:38:31,910 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 02:38:31,910 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [424007966] [2020-10-16 02:38:31,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 02:38:31,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 02:38:31,945 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 02:38:31,945 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [424007966] [2020-10-16 02:38:31,946 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 02:38:31,946 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-16 02:38:31,946 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [380844267] [2020-10-16 02:38:31,946 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-16 02:38:31,947 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 02:38:31,947 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-16 02:38:31,947 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-16 02:38:31,949 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 248 out of 382 [2020-10-16 02:38:31,950 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 60 places, 54 transitions, 175 flow. Second operand 5 states. [2020-10-16 02:38:31,950 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 02:38:31,950 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 248 of 382 [2020-10-16 02:38:31,950 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 02:39:10,598 INFO L129 PetriNetUnfolder]: 262495/332338 cut-off events. [2020-10-16 02:39:10,598 INFO L130 PetriNetUnfolder]: For 28089/28089 co-relation queries the response was YES. [2020-10-16 02:39:12,021 INFO L80 FinitePrefix]: Finished finitePrefix Result has 736078 conditions, 332338 events. 262495/332338 cut-off events. For 28089/28089 co-relation queries the response was YES. Maximal size of possible extension queue 16719. Compared 2295960 event pairs, 37680 based on Foata normal form. 2146/285086 useless extension candidates. Maximal degree in co-relation 736062. Up to 148085 conditions per place. [2020-10-16 02:39:13,385 INFO L132 encePairwiseOnDemand]: 373/382 looper letters, 85 selfloop transitions, 19 changer transitions 0/127 dead transitions. [2020-10-16 02:39:13,385 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 65 places, 127 transitions, 568 flow [2020-10-16 02:39:13,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-16 02:39:13,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-10-16 02:39:13,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1593 transitions. [2020-10-16 02:39:13,387 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.6950261780104712 [2020-10-16 02:39:13,387 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1593 transitions. [2020-10-16 02:39:13,387 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1593 transitions. [2020-10-16 02:39:13,387 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 02:39:13,387 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1593 transitions. [2020-10-16 02:39:13,388 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 7 states. [2020-10-16 02:39:13,389 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 7 states. [2020-10-16 02:39:13,389 INFO L81 ComplementDD]: Finished complementDD. Result 7 states. [2020-10-16 02:39:13,389 INFO L185 Difference]: Start difference. First operand has 60 places, 54 transitions, 175 flow. Second operand 6 states and 1593 transitions. [2020-10-16 02:39:13,390 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 65 places, 127 transitions, 568 flow [2020-10-16 02:39:13,451 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 64 places, 127 transitions, 556 flow, removed 0 selfloop flow, removed 1 redundant places. [2020-10-16 02:39:13,452 INFO L241 Difference]: Finished difference. Result has 67 places, 66 transitions, 293 flow [2020-10-16 02:39:13,452 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=382, PETRI_DIFFERENCE_MINUEND_FLOW=168, PETRI_DIFFERENCE_MINUEND_PLACES=59, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=54, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=40, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=293, PETRI_PLACES=67, PETRI_TRANSITIONS=66} [2020-10-16 02:39:13,452 INFO L342 CegarLoopForPetriNet]: 58 programPoint places, 9 predicate places. [2020-10-16 02:39:13,452 INFO L481 AbstractCegarLoop]: Abstraction has has 67 places, 66 transitions, 293 flow [2020-10-16 02:39:13,453 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-16 02:39:13,453 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 02:39:13,453 INFO L255 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 02:39:13,453 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2020-10-16 02:39:13,453 INFO L429 AbstractCegarLoop]: === Iteration 3 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 02:39:13,453 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 02:39:13,454 INFO L82 PathProgramCache]: Analyzing trace with hash 451493352, now seen corresponding path program 1 times [2020-10-16 02:39:13,454 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 02:39:13,454 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1833561462] [2020-10-16 02:39:13,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 02:39:13,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 02:39:13,486 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-10-16 02:39:13,486 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1833561462] [2020-10-16 02:39:13,487 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 02:39:13,487 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-16 02:39:13,487 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1056988052] [2020-10-16 02:39:13,487 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-16 02:39:13,487 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 02:39:13,488 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-16 02:39:13,488 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-16 02:39:13,489 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 250 out of 382 [2020-10-16 02:39:13,493 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 67 places, 66 transitions, 293 flow. Second operand 5 states. [2020-10-16 02:39:13,493 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 02:39:13,493 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 250 of 382 [2020-10-16 02:39:13,493 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 02:40:37,560 INFO L129 PetriNetUnfolder]: 440003/565566 cut-off events. [2020-10-16 02:40:37,560 INFO L130 PetriNetUnfolder]: For 266946/266946 co-relation queries the response was YES. [2020-10-16 02:40:40,460 INFO L80 FinitePrefix]: Finished finitePrefix Result has 1431542 conditions, 565566 events. 440003/565566 cut-off events. For 266946/266946 co-relation queries the response was YES. Maximal size of possible extension queue 31359. Compared 4323689 event pairs, 52007 based on Foata normal form. 3602/484027 useless extension candidates. Maximal degree in co-relation 1431522. Up to 266740 conditions per place. [2020-10-16 02:40:44,377 INFO L132 encePairwiseOnDemand]: 373/382 looper letters, 97 selfloop transitions, 30 changer transitions 0/150 dead transitions. [2020-10-16 02:40:44,377 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 72 places, 150 transitions, 862 flow [2020-10-16 02:40:44,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-16 02:40:44,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-10-16 02:40:44,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1606 transitions. [2020-10-16 02:40:44,379 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.7006980802792321 [2020-10-16 02:40:44,379 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1606 transitions. [2020-10-16 02:40:44,379 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1606 transitions. [2020-10-16 02:40:44,380 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 02:40:44,380 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1606 transitions. [2020-10-16 02:40:44,381 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 7 states. [2020-10-16 02:40:44,383 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 7 states. [2020-10-16 02:40:44,383 INFO L81 ComplementDD]: Finished complementDD. Result 7 states. [2020-10-16 02:40:44,383 INFO L185 Difference]: Start difference. First operand has 67 places, 66 transitions, 293 flow. Second operand 6 states and 1606 transitions. [2020-10-16 02:40:44,383 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 72 places, 150 transitions, 862 flow [2020-10-16 02:41:12,428 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 70 places, 150 transitions, 811 flow, removed 10 selfloop flow, removed 2 redundant places. [2020-10-16 02:41:12,430 INFO L241 Difference]: Finished difference. Result has 73 places, 84 transitions, 485 flow [2020-10-16 02:41:12,430 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=382, PETRI_DIFFERENCE_MINUEND_FLOW=265, PETRI_DIFFERENCE_MINUEND_PLACES=65, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=66, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=12, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=45, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=485, PETRI_PLACES=73, PETRI_TRANSITIONS=84} [2020-10-16 02:41:12,430 INFO L342 CegarLoopForPetriNet]: 58 programPoint places, 15 predicate places. [2020-10-16 02:41:12,430 INFO L481 AbstractCegarLoop]: Abstraction has has 73 places, 84 transitions, 485 flow [2020-10-16 02:41:12,430 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-16 02:41:12,430 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 02:41:12,430 INFO L255 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 02:41:12,431 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2020-10-16 02:41:12,431 INFO L429 AbstractCegarLoop]: === Iteration 4 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 02:41:12,431 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 02:41:12,431 INFO L82 PathProgramCache]: Analyzing trace with hash 196451013, now seen corresponding path program 1 times [2020-10-16 02:41:12,431 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 02:41:12,431 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1157243647] [2020-10-16 02:41:12,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 02:41:12,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 02:41:12,454 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 02:41:12,454 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1157243647] [2020-10-16 02:41:12,454 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 02:41:12,454 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-16 02:41:12,455 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1530941843] [2020-10-16 02:41:12,455 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-16 02:41:12,455 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 02:41:12,455 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-16 02:41:12,455 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 02:41:12,456 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 279 out of 382 [2020-10-16 02:41:12,457 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 73 places, 84 transitions, 485 flow. Second operand 3 states. [2020-10-16 02:41:12,457 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 02:41:12,457 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 279 of 382 [2020-10-16 02:41:12,457 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 02:41:12,912 INFO L129 PetriNetUnfolder]: 1855/5330 cut-off events. [2020-10-16 02:41:12,912 INFO L130 PetriNetUnfolder]: For 4423/5643 co-relation queries the response was YES. [2020-10-16 02:41:12,934 INFO L80 FinitePrefix]: Finished finitePrefix Result has 12666 conditions, 5330 events. 1855/5330 cut-off events. For 4423/5643 co-relation queries the response was YES. Maximal size of possible extension queue 387. Compared 54180 event pairs, 697 based on Foata normal form. 1797/6350 useless extension candidates. Maximal degree in co-relation 12643. Up to 1435 conditions per place. [2020-10-16 02:41:12,950 INFO L132 encePairwiseOnDemand]: 366/382 looper letters, 1 selfloop transitions, 16 changer transitions 0/80 dead transitions. [2020-10-16 02:41:12,950 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 75 places, 80 transitions, 477 flow [2020-10-16 02:41:12,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-16 02:41:12,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-10-16 02:41:12,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 860 transitions. [2020-10-16 02:41:12,951 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.7504363001745201 [2020-10-16 02:41:12,951 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 860 transitions. [2020-10-16 02:41:12,951 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 860 transitions. [2020-10-16 02:41:12,952 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 02:41:12,952 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 860 transitions. [2020-10-16 02:41:12,952 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 4 states. [2020-10-16 02:41:12,953 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 4 states. [2020-10-16 02:41:12,953 INFO L81 ComplementDD]: Finished complementDD. Result 4 states. [2020-10-16 02:41:12,953 INFO L185 Difference]: Start difference. First operand has 73 places, 84 transitions, 485 flow. Second operand 3 states and 860 transitions. [2020-10-16 02:41:12,953 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 75 places, 80 transitions, 477 flow [2020-10-16 02:41:12,988 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 72 places, 80 transitions, 413 flow, removed 13 selfloop flow, removed 3 redundant places. [2020-10-16 02:41:12,989 INFO L241 Difference]: Finished difference. Result has 72 places, 80 transitions, 411 flow [2020-10-16 02:41:12,989 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=382, PETRI_DIFFERENCE_MINUEND_FLOW=379, PETRI_DIFFERENCE_MINUEND_PLACES=70, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=80, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=16, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=64, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=411, PETRI_PLACES=72, PETRI_TRANSITIONS=80} [2020-10-16 02:41:12,989 INFO L342 CegarLoopForPetriNet]: 58 programPoint places, 14 predicate places. [2020-10-16 02:41:12,989 INFO L481 AbstractCegarLoop]: Abstraction has has 72 places, 80 transitions, 411 flow [2020-10-16 02:41:12,990 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-16 02:41:12,990 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 02:41:12,990 INFO L255 CegarLoopForPetriNet]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 02:41:12,990 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2020-10-16 02:41:12,990 INFO L429 AbstractCegarLoop]: === Iteration 5 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 02:41:12,990 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 02:41:12,990 INFO L82 PathProgramCache]: Analyzing trace with hash 1525764070, now seen corresponding path program 1 times [2020-10-16 02:41:12,990 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 02:41:12,990 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1473921271] [2020-10-16 02:41:12,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 02:41:12,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 02:41:13,032 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-10-16 02:41:13,032 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1473921271] [2020-10-16 02:41:13,032 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 02:41:13,032 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-16 02:41:13,033 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1662389581] [2020-10-16 02:41:13,033 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-16 02:41:13,035 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 02:41:13,035 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-16 02:41:13,035 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-16 02:41:13,037 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 247 out of 382 [2020-10-16 02:41:13,037 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 72 places, 80 transitions, 411 flow. Second operand 5 states. [2020-10-16 02:41:13,037 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 02:41:13,037 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 247 of 382 [2020-10-16 02:41:13,038 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 02:41:22,807 INFO L129 PetriNetUnfolder]: 48322/86260 cut-off events. [2020-10-16 02:41:22,807 INFO L130 PetriNetUnfolder]: For 48373/48379 co-relation queries the response was YES. [2020-10-16 02:41:23,250 INFO L80 FinitePrefix]: Finished finitePrefix Result has 225441 conditions, 86260 events. 48322/86260 cut-off events. For 48373/48379 co-relation queries the response was YES. Maximal size of possible extension queue 7095. Compared 976939 event pairs, 6762 based on Foata normal form. 1134/73568 useless extension candidates. Maximal degree in co-relation 225420. Up to 37664 conditions per place. [2020-10-16 02:41:23,509 INFO L132 encePairwiseOnDemand]: 372/382 looper letters, 102 selfloop transitions, 44 changer transitions 0/169 dead transitions. [2020-10-16 02:41:23,509 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 77 places, 169 transitions, 1100 flow [2020-10-16 02:41:23,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-16 02:41:23,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-10-16 02:41:23,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1586 transitions. [2020-10-16 02:41:23,511 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.6919720767888308 [2020-10-16 02:41:23,511 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1586 transitions. [2020-10-16 02:41:23,511 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1586 transitions. [2020-10-16 02:41:23,511 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 02:41:23,511 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1586 transitions. [2020-10-16 02:41:23,513 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 7 states. [2020-10-16 02:41:23,514 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 7 states. [2020-10-16 02:41:23,514 INFO L81 ComplementDD]: Finished complementDD. Result 7 states. [2020-10-16 02:41:23,514 INFO L185 Difference]: Start difference. First operand has 72 places, 80 transitions, 411 flow. Second operand 6 states and 1586 transitions. [2020-10-16 02:41:23,514 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 77 places, 169 transitions, 1100 flow [2020-10-16 02:41:25,720 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 76 places, 169 transitions, 1067 flow, removed 0 selfloop flow, removed 1 redundant places. [2020-10-16 02:41:25,722 INFO L241 Difference]: Finished difference. Result has 78 places, 103 transitions, 683 flow [2020-10-16 02:41:25,722 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=382, PETRI_DIFFERENCE_MINUEND_FLOW=395, PETRI_DIFFERENCE_MINUEND_PLACES=71, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=80, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=21, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=52, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=683, PETRI_PLACES=78, PETRI_TRANSITIONS=103} [2020-10-16 02:41:25,722 INFO L342 CegarLoopForPetriNet]: 58 programPoint places, 20 predicate places. [2020-10-16 02:41:25,722 INFO L481 AbstractCegarLoop]: Abstraction has has 78 places, 103 transitions, 683 flow [2020-10-16 02:41:25,723 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-16 02:41:25,723 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 02:41:25,723 INFO L255 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 02:41:25,723 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2020-10-16 02:41:25,723 INFO L429 AbstractCegarLoop]: === Iteration 6 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 02:41:25,723 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 02:41:25,723 INFO L82 PathProgramCache]: Analyzing trace with hash -1133788585, now seen corresponding path program 1 times [2020-10-16 02:41:25,723 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 02:41:25,723 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [722563555] [2020-10-16 02:41:25,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 02:41:25,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 02:41:25,774 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-16 02:41:25,774 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [722563555] [2020-10-16 02:41:25,774 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1290607336] [2020-10-16 02:41:25,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-16 02:41:25,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 02:41:25,869 INFO L263 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 7 conjunts are in the unsatisfiable core [2020-10-16 02:41:25,869 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-16 02:41:25,927 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-16 02:41:25,927 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-16 02:41:25,927 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 10 [2020-10-16 02:41:25,928 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1340828132] [2020-10-16 02:41:25,928 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-16 02:41:25,928 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 02:41:25,928 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-16 02:41:25,929 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2020-10-16 02:41:25,930 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 244 out of 382 [2020-10-16 02:41:25,932 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 78 places, 103 transitions, 683 flow. Second operand 12 states. [2020-10-16 02:41:25,932 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 02:41:25,932 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 244 of 382 [2020-10-16 02:41:25,932 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 02:41:36,611 INFO L129 PetriNetUnfolder]: 54766/94158 cut-off events. [2020-10-16 02:41:36,612 INFO L130 PetriNetUnfolder]: For 81305/81305 co-relation queries the response was YES. [2020-10-16 02:41:37,128 INFO L80 FinitePrefix]: Finished finitePrefix Result has 256784 conditions, 94158 events. 54766/94158 cut-off events. For 81305/81305 co-relation queries the response was YES. Maximal size of possible extension queue 7775. Compared 1039925 event pairs, 6126 based on Foata normal form. 378/78495 useless extension candidates. Maximal degree in co-relation 256759. Up to 24290 conditions per place. [2020-10-16 02:41:37,410 INFO L132 encePairwiseOnDemand]: 372/382 looper letters, 201 selfloop transitions, 64 changer transitions 0/286 dead transitions. [2020-10-16 02:41:37,410 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 90 places, 286 transitions, 1962 flow [2020-10-16 02:41:37,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-16 02:41:37,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2020-10-16 02:41:37,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 3402 transitions. [2020-10-16 02:41:37,414 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.6850583971002819 [2020-10-16 02:41:37,414 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 3402 transitions. [2020-10-16 02:41:37,414 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 3402 transitions. [2020-10-16 02:41:37,415 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 02:41:37,415 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 3402 transitions. [2020-10-16 02:41:37,419 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 14 states. [2020-10-16 02:41:37,421 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 14 states. [2020-10-16 02:41:37,421 INFO L81 ComplementDD]: Finished complementDD. Result 14 states. [2020-10-16 02:41:37,421 INFO L185 Difference]: Start difference. First operand has 78 places, 103 transitions, 683 flow. Second operand 13 states and 3402 transitions. [2020-10-16 02:41:37,421 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 90 places, 286 transitions, 1962 flow [2020-10-16 02:41:45,080 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 89 places, 286 transitions, 1857 flow, removed 44 selfloop flow, removed 1 redundant places. [2020-10-16 02:41:45,083 INFO L241 Difference]: Finished difference. Result has 91 places, 118 transitions, 890 flow [2020-10-16 02:41:45,083 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=382, PETRI_DIFFERENCE_MINUEND_FLOW=640, PETRI_DIFFERENCE_MINUEND_PLACES=77, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=103, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=49, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=49, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=890, PETRI_PLACES=91, PETRI_TRANSITIONS=118} [2020-10-16 02:41:45,083 INFO L342 CegarLoopForPetriNet]: 58 programPoint places, 33 predicate places. [2020-10-16 02:41:45,083 INFO L481 AbstractCegarLoop]: Abstraction has has 91 places, 118 transitions, 890 flow [2020-10-16 02:41:45,083 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-16 02:41:45,083 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 02:41:45,083 INFO L255 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 02:41:45,284 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable37 [2020-10-16 02:41:45,284 INFO L429 AbstractCegarLoop]: === Iteration 7 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 02:41:45,284 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 02:41:45,285 INFO L82 PathProgramCache]: Analyzing trace with hash -374161485, now seen corresponding path program 1 times [2020-10-16 02:41:45,285 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 02:41:45,285 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [899700053] [2020-10-16 02:41:45,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 02:41:45,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 02:41:45,344 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-10-16 02:41:45,344 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [899700053] [2020-10-16 02:41:45,345 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 02:41:45,345 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-16 02:41:45,345 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [547991927] [2020-10-16 02:41:45,346 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-16 02:41:45,346 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 02:41:45,346 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-16 02:41:45,346 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-16 02:41:45,348 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 244 out of 382 [2020-10-16 02:41:45,349 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 91 places, 118 transitions, 890 flow. Second operand 7 states. [2020-10-16 02:41:45,349 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 02:41:45,349 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 244 of 382 [2020-10-16 02:41:45,349 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 02:41:56,747 INFO L129 PetriNetUnfolder]: 57687/99766 cut-off events. [2020-10-16 02:41:56,747 INFO L130 PetriNetUnfolder]: For 131141/131141 co-relation queries the response was YES. [2020-10-16 02:41:57,279 INFO L80 FinitePrefix]: Finished finitePrefix Result has 285710 conditions, 99766 events. 57687/99766 cut-off events. For 131141/131141 co-relation queries the response was YES. Maximal size of possible extension queue 8278. Compared 1116046 event pairs, 6221 based on Foata normal form. 378/83094 useless extension candidates. Maximal degree in co-relation 285682. Up to 24290 conditions per place. [2020-10-16 02:41:57,567 INFO L132 encePairwiseOnDemand]: 372/382 looper letters, 205 selfloop transitions, 72 changer transitions 0/298 dead transitions. [2020-10-16 02:41:57,567 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 103 places, 298 transitions, 2173 flow [2020-10-16 02:41:57,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-16 02:41:57,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2020-10-16 02:41:57,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 3402 transitions. [2020-10-16 02:41:57,571 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.6850583971002819 [2020-10-16 02:41:57,571 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 3402 transitions. [2020-10-16 02:41:57,571 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 3402 transitions. [2020-10-16 02:41:57,572 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 02:41:57,572 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 3402 transitions. [2020-10-16 02:41:57,575 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 14 states. [2020-10-16 02:41:57,578 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 14 states. [2020-10-16 02:41:57,578 INFO L81 ComplementDD]: Finished complementDD. Result 14 states. [2020-10-16 02:41:57,578 INFO L185 Difference]: Start difference. First operand has 91 places, 118 transitions, 890 flow. Second operand 13 states and 3402 transitions. [2020-10-16 02:41:57,578 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 103 places, 298 transitions, 2173 flow [2020-10-16 02:42:07,115 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 97 places, 298 transitions, 2042 flow, removed 12 selfloop flow, removed 6 redundant places. [2020-10-16 02:42:07,117 INFO L241 Difference]: Finished difference. Result has 99 places, 131 transitions, 1039 flow [2020-10-16 02:42:07,117 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=382, PETRI_DIFFERENCE_MINUEND_FLOW=763, PETRI_DIFFERENCE_MINUEND_PLACES=85, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=118, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=59, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=54, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=1039, PETRI_PLACES=99, PETRI_TRANSITIONS=131} [2020-10-16 02:42:07,118 INFO L342 CegarLoopForPetriNet]: 58 programPoint places, 41 predicate places. [2020-10-16 02:42:07,118 INFO L481 AbstractCegarLoop]: Abstraction has has 99 places, 131 transitions, 1039 flow [2020-10-16 02:42:07,118 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-16 02:42:07,118 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 02:42:07,118 INFO L255 CegarLoopForPetriNet]: trace histogram [4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 02:42:07,118 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2020-10-16 02:42:07,118 INFO L429 AbstractCegarLoop]: === Iteration 8 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 02:42:07,119 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 02:42:07,119 INFO L82 PathProgramCache]: Analyzing trace with hash 55008094, now seen corresponding path program 1 times [2020-10-16 02:42:07,119 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 02:42:07,119 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1042685233] [2020-10-16 02:42:07,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 02:42:07,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 02:42:07,161 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-10-16 02:42:07,162 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1042685233] [2020-10-16 02:42:07,162 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 02:42:07,162 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-16 02:42:07,162 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1351032667] [2020-10-16 02:42:07,163 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-16 02:42:07,163 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 02:42:07,163 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-16 02:42:07,163 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-16 02:42:07,165 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 248 out of 382 [2020-10-16 02:42:07,165 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 99 places, 131 transitions, 1039 flow. Second operand 5 states. [2020-10-16 02:42:07,165 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 02:42:07,166 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 248 of 382 [2020-10-16 02:42:07,166 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 02:42:28,167 INFO L129 PetriNetUnfolder]: 79375/141131 cut-off events. [2020-10-16 02:42:28,167 INFO L130 PetriNetUnfolder]: For 282467/282501 co-relation queries the response was YES. [2020-10-16 02:42:29,601 INFO L80 FinitePrefix]: Finished finitePrefix Result has 420081 conditions, 141131 events. 79375/141131 cut-off events. For 282467/282501 co-relation queries the response was YES. Maximal size of possible extension queue 12328. Compared 1693133 event pairs, 11081 based on Foata normal form. 1600/118587 useless extension candidates. Maximal degree in co-relation 420052. Up to 69431 conditions per place. [2020-10-16 02:42:30,023 INFO L132 encePairwiseOnDemand]: 373/382 looper letters, 162 selfloop transitions, 71 changer transitions 0/256 dead transitions. [2020-10-16 02:42:30,023 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 104 places, 256 transitions, 2407 flow [2020-10-16 02:42:30,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-16 02:42:30,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-10-16 02:42:30,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1592 transitions. [2020-10-16 02:42:30,025 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.6945898778359512 [2020-10-16 02:42:30,025 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1592 transitions. [2020-10-16 02:42:30,025 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1592 transitions. [2020-10-16 02:42:30,025 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 02:42:30,025 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1592 transitions. [2020-10-16 02:42:30,027 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 7 states. [2020-10-16 02:42:30,028 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 7 states. [2020-10-16 02:42:30,028 INFO L81 ComplementDD]: Finished complementDD. Result 7 states. [2020-10-16 02:42:30,028 INFO L185 Difference]: Start difference. First operand has 99 places, 131 transitions, 1039 flow. Second operand 6 states and 1592 transitions. [2020-10-16 02:42:30,028 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 104 places, 256 transitions, 2407 flow [2020-10-16 02:42:48,381 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 98 places, 256 transitions, 2226 flow, removed 28 selfloop flow, removed 6 redundant places. [2020-10-16 02:42:48,383 INFO L241 Difference]: Finished difference. Result has 100 places, 165 transitions, 1476 flow [2020-10-16 02:42:48,384 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=382, PETRI_DIFFERENCE_MINUEND_FLOW=937, PETRI_DIFFERENCE_MINUEND_PLACES=93, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=131, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=37, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=88, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1476, PETRI_PLACES=100, PETRI_TRANSITIONS=165} [2020-10-16 02:42:48,384 INFO L342 CegarLoopForPetriNet]: 58 programPoint places, 42 predicate places. [2020-10-16 02:42:48,384 INFO L481 AbstractCegarLoop]: Abstraction has has 100 places, 165 transitions, 1476 flow [2020-10-16 02:42:48,384 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-16 02:42:48,384 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 02:42:48,384 INFO L255 CegarLoopForPetriNet]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 02:42:48,384 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2020-10-16 02:42:48,384 INFO L429 AbstractCegarLoop]: === Iteration 9 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 02:42:48,384 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 02:42:48,384 INFO L82 PathProgramCache]: Analyzing trace with hash -1013943917, now seen corresponding path program 1 times [2020-10-16 02:42:48,385 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 02:42:48,385 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [463775251] [2020-10-16 02:42:48,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 02:42:48,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 02:42:48,433 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-10-16 02:42:48,434 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [463775251] [2020-10-16 02:42:48,434 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 02:42:48,434 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-16 02:42:48,434 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1715729004] [2020-10-16 02:42:48,434 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-16 02:42:48,435 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 02:42:48,435 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-16 02:42:48,435 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-16 02:42:48,437 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 241 out of 382 [2020-10-16 02:42:48,438 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 100 places, 165 transitions, 1476 flow. Second operand 7 states. [2020-10-16 02:42:48,438 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 02:42:48,438 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 241 of 382 [2020-10-16 02:42:48,438 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 02:43:10,508 INFO L129 PetriNetUnfolder]: 86006/153802 cut-off events. [2020-10-16 02:43:10,508 INFO L130 PetriNetUnfolder]: For 360321/360327 co-relation queries the response was YES. [2020-10-16 02:43:11,513 INFO L80 FinitePrefix]: Finished finitePrefix Result has 476621 conditions, 153802 events. 86006/153802 cut-off events. For 360321/360327 co-relation queries the response was YES. Maximal size of possible extension queue 13237. Compared 1881399 event pairs, 9796 based on Foata normal form. 622/128495 useless extension candidates. Maximal degree in co-relation 476590. Up to 41672 conditions per place. [2020-10-16 02:43:12,011 INFO L132 encePairwiseOnDemand]: 371/382 looper letters, 239 selfloop transitions, 111 changer transitions 0/371 dead transitions. [2020-10-16 02:43:12,011 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 112 places, 371 transitions, 3305 flow [2020-10-16 02:43:12,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-16 02:43:12,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2020-10-16 02:43:12,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 3365 transitions. [2020-10-16 02:43:12,015 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.6776077325815546 [2020-10-16 02:43:12,015 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 3365 transitions. [2020-10-16 02:43:12,015 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 3365 transitions. [2020-10-16 02:43:12,016 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 02:43:12,016 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 3365 transitions. [2020-10-16 02:43:12,019 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 14 states. [2020-10-16 02:43:12,021 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 14 states. [2020-10-16 02:43:12,022 INFO L81 ComplementDD]: Finished complementDD. Result 14 states. [2020-10-16 02:43:12,022 INFO L185 Difference]: Start difference. First operand has 100 places, 165 transitions, 1476 flow. Second operand 13 states and 3365 transitions. [2020-10-16 02:43:12,022 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 112 places, 371 transitions, 3305 flow [2020-10-16 02:43:36,121 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 111 places, 371 transitions, 3124 flow, removed 76 selfloop flow, removed 1 redundant places. [2020-10-16 02:43:36,125 INFO L241 Difference]: Finished difference. Result has 113 places, 189 transitions, 1859 flow [2020-10-16 02:43:36,125 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=382, PETRI_DIFFERENCE_MINUEND_FLOW=1401, PETRI_DIFFERENCE_MINUEND_PLACES=99, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=165, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=87, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=72, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=1859, PETRI_PLACES=113, PETRI_TRANSITIONS=189} [2020-10-16 02:43:36,125 INFO L342 CegarLoopForPetriNet]: 58 programPoint places, 55 predicate places. [2020-10-16 02:43:36,125 INFO L481 AbstractCegarLoop]: Abstraction has has 113 places, 189 transitions, 1859 flow [2020-10-16 02:43:36,126 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-16 02:43:36,126 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 02:43:36,126 INFO L255 CegarLoopForPetriNet]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 02:43:36,126 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2020-10-16 02:43:36,126 INFO L429 AbstractCegarLoop]: === Iteration 10 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 02:43:36,126 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 02:43:36,126 INFO L82 PathProgramCache]: Analyzing trace with hash -1591344468, now seen corresponding path program 1 times [2020-10-16 02:43:36,126 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 02:43:36,126 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1694008754] [2020-10-16 02:43:36,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 02:43:36,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 02:43:36,187 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-10-16 02:43:36,187 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1694008754] [2020-10-16 02:43:36,187 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1074734927] [2020-10-16 02:43:36,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-16 02:43:36,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 02:43:36,283 INFO L263 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 7 conjunts are in the unsatisfiable core [2020-10-16 02:43:36,287 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-16 02:43:36,354 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-10-16 02:43:36,354 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-16 02:43:36,354 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 10 [2020-10-16 02:43:36,355 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [481013581] [2020-10-16 02:43:36,355 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-16 02:43:36,355 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 02:43:36,355 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-16 02:43:36,355 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2020-10-16 02:43:36,357 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 243 out of 382 [2020-10-16 02:43:36,358 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 113 places, 189 transitions, 1859 flow. Second operand 12 states. [2020-10-16 02:43:36,358 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 02:43:36,359 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 243 of 382 [2020-10-16 02:43:36,359 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 02:43:55,533 INFO L129 PetriNetUnfolder]: 91402/163633 cut-off events. [2020-10-16 02:43:55,533 INFO L130 PetriNetUnfolder]: For 461628/461628 co-relation queries the response was YES. [2020-10-16 02:43:56,675 INFO L80 FinitePrefix]: Finished finitePrefix Result has 527541 conditions, 163633 events. 91402/163633 cut-off events. For 461628/461628 co-relation queries the response was YES. Maximal size of possible extension queue 14048. Compared 2015775 event pairs, 10467 based on Foata normal form. 616/136476 useless extension candidates. Maximal degree in co-relation 527507. Up to 48458 conditions per place. [2020-10-16 02:43:57,190 INFO L132 encePairwiseOnDemand]: 371/382 looper letters, 261 selfloop transitions, 122 changer transitions 0/404 dead transitions. [2020-10-16 02:43:57,190 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 125 places, 404 transitions, 3824 flow [2020-10-16 02:43:57,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-16 02:43:57,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2020-10-16 02:43:57,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 3392 transitions. [2020-10-16 02:43:57,194 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.6830447039871124 [2020-10-16 02:43:57,194 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 3392 transitions. [2020-10-16 02:43:57,194 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 3392 transitions. [2020-10-16 02:43:57,195 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 02:43:57,195 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 3392 transitions. [2020-10-16 02:43:57,198 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 14 states. [2020-10-16 02:43:57,200 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 14 states. [2020-10-16 02:43:57,201 INFO L81 ComplementDD]: Finished complementDD. Result 14 states. [2020-10-16 02:43:57,201 INFO L185 Difference]: Start difference. First operand has 113 places, 189 transitions, 1859 flow. Second operand 13 states and 3392 transitions. [2020-10-16 02:43:57,201 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 125 places, 404 transitions, 3824 flow [2020-10-16 02:44:50,983 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 122 places, 404 transitions, 3648 flow, removed 41 selfloop flow, removed 3 redundant places. [2020-10-16 02:44:50,987 INFO L241 Difference]: Finished difference. Result has 124 places, 218 transitions, 2264 flow [2020-10-16 02:44:50,987 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=382, PETRI_DIFFERENCE_MINUEND_FLOW=1729, PETRI_DIFFERENCE_MINUEND_PLACES=110, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=189, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=93, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=90, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=2264, PETRI_PLACES=124, PETRI_TRANSITIONS=218} [2020-10-16 02:44:50,987 INFO L342 CegarLoopForPetriNet]: 58 programPoint places, 66 predicate places. [2020-10-16 02:44:50,987 INFO L481 AbstractCegarLoop]: Abstraction has has 124 places, 218 transitions, 2264 flow [2020-10-16 02:44:50,987 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-16 02:44:50,987 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 02:44:50,987 INFO L255 CegarLoopForPetriNet]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 02:44:51,188 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-16 02:44:51,188 INFO L429 AbstractCegarLoop]: === Iteration 11 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 02:44:51,189 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 02:44:51,189 INFO L82 PathProgramCache]: Analyzing trace with hash -733173343, now seen corresponding path program 1 times [2020-10-16 02:44:51,189 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 02:44:51,190 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [650421486] [2020-10-16 02:44:51,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 02:44:51,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 02:44:51,235 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-10-16 02:44:51,235 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [650421486] [2020-10-16 02:44:51,235 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 02:44:51,235 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-16 02:44:51,235 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2121983787] [2020-10-16 02:44:51,236 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-16 02:44:51,236 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 02:44:51,236 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-16 02:44:51,236 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-16 02:44:51,238 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 241 out of 382 [2020-10-16 02:44:51,239 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 124 places, 218 transitions, 2264 flow. Second operand 7 states. [2020-10-16 02:44:51,239 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 02:44:51,239 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 241 of 382 [2020-10-16 02:44:51,239 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 02:45:18,582 INFO L129 PetriNetUnfolder]: 95100/170628 cut-off events. [2020-10-16 02:45:18,582 INFO L130 PetriNetUnfolder]: For 592474/592480 co-relation queries the response was YES. [2020-10-16 02:45:19,855 INFO L80 FinitePrefix]: Finished finitePrefix Result has 575229 conditions, 170628 events. 95100/170628 cut-off events. For 592474/592480 co-relation queries the response was YES. Maximal size of possible extension queue 14649. Compared 2118061 event pairs, 10733 based on Foata normal form. 482/142149 useless extension candidates. Maximal degree in co-relation 575193. Up to 48437 conditions per place. [2020-10-16 02:45:20,406 INFO L132 encePairwiseOnDemand]: 371/382 looper letters, 266 selfloop transitions, 138 changer transitions 0/425 dead transitions. [2020-10-16 02:45:20,406 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 136 places, 425 transitions, 4306 flow [2020-10-16 02:45:20,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-16 02:45:20,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2020-10-16 02:45:20,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 3365 transitions. [2020-10-16 02:45:20,410 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.6776077325815546 [2020-10-16 02:45:20,410 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 3365 transitions. [2020-10-16 02:45:20,410 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 3365 transitions. [2020-10-16 02:45:20,410 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 02:45:20,411 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 3365 transitions. [2020-10-16 02:45:20,413 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 14 states. [2020-10-16 02:45:20,416 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 14 states. [2020-10-16 02:45:20,416 INFO L81 ComplementDD]: Finished complementDD. Result 14 states. [2020-10-16 02:45:20,416 INFO L185 Difference]: Start difference. First operand has 124 places, 218 transitions, 2264 flow. Second operand 13 states and 3365 transitions. [2020-10-16 02:45:20,416 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 136 places, 425 transitions, 4306 flow [2020-10-16 02:46:23,395 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 135 places, 425 transitions, 4203 flow, removed 45 selfloop flow, removed 1 redundant places. [2020-10-16 02:46:23,400 INFO L241 Difference]: Finished difference. Result has 137 places, 240 transitions, 2772 flow [2020-10-16 02:46:23,400 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=382, PETRI_DIFFERENCE_MINUEND_FLOW=2203, PETRI_DIFFERENCE_MINUEND_PLACES=123, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=218, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=116, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=97, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=2772, PETRI_PLACES=137, PETRI_TRANSITIONS=240} [2020-10-16 02:46:23,400 INFO L342 CegarLoopForPetriNet]: 58 programPoint places, 79 predicate places. [2020-10-16 02:46:23,400 INFO L481 AbstractCegarLoop]: Abstraction has has 137 places, 240 transitions, 2772 flow [2020-10-16 02:46:23,400 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-16 02:46:23,400 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 02:46:23,400 INFO L255 CegarLoopForPetriNet]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 02:46:23,401 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2020-10-16 02:46:23,401 INFO L429 AbstractCegarLoop]: === Iteration 12 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 02:46:23,401 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 02:46:23,401 INFO L82 PathProgramCache]: Analyzing trace with hash -732951042, now seen corresponding path program 1 times [2020-10-16 02:46:23,401 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 02:46:23,401 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1002434897] [2020-10-16 02:46:23,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 02:46:23,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 02:46:23,455 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-10-16 02:46:23,456 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1002434897] [2020-10-16 02:46:23,456 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 02:46:23,456 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-16 02:46:23,456 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1255860884] [2020-10-16 02:46:23,456 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-16 02:46:23,457 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 02:46:23,457 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-16 02:46:23,457 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-16 02:46:23,459 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 243 out of 382 [2020-10-16 02:46:23,460 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 137 places, 240 transitions, 2772 flow. Second operand 7 states. [2020-10-16 02:46:23,460 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 02:46:23,460 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 243 of 382 [2020-10-16 02:46:23,460 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 02:46:47,649 INFO L129 PetriNetUnfolder]: 100407/180336 cut-off events. [2020-10-16 02:46:47,649 INFO L130 PetriNetUnfolder]: For 783586/783586 co-relation queries the response was YES. [2020-10-16 02:46:48,986 INFO L80 FinitePrefix]: Finished finitePrefix Result has 632487 conditions, 180336 events. 100407/180336 cut-off events. For 783586/783586 co-relation queries the response was YES. Maximal size of possible extension queue 15462. Compared 2254188 event pairs, 11072 based on Foata normal form. 616/150392 useless extension candidates. Maximal degree in co-relation 632448. Up to 48458 conditions per place. [2020-10-16 02:46:49,555 INFO L132 encePairwiseOnDemand]: 371/382 looper letters, 274 selfloop transitions, 148 changer transitions 0/443 dead transitions. [2020-10-16 02:46:49,555 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 149 places, 443 transitions, 4857 flow [2020-10-16 02:46:49,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-16 02:46:49,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2020-10-16 02:46:49,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 3392 transitions. [2020-10-16 02:46:49,559 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.6830447039871124 [2020-10-16 02:46:49,559 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 3392 transitions. [2020-10-16 02:46:49,559 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 3392 transitions. [2020-10-16 02:46:49,560 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 02:46:49,560 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 3392 transitions. [2020-10-16 02:46:49,562 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 14 states. [2020-10-16 02:46:49,565 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 14 states. [2020-10-16 02:46:49,565 INFO L81 ComplementDD]: Finished complementDD. Result 14 states. [2020-10-16 02:46:49,565 INFO L185 Difference]: Start difference. First operand has 137 places, 240 transitions, 2772 flow. Second operand 13 states and 3392 transitions. [2020-10-16 02:46:49,565 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 149 places, 443 transitions, 4857 flow [2020-10-16 02:48:09,725 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 143 places, 443 transitions, 4618 flow, removed 48 selfloop flow, removed 6 redundant places. [2020-10-16 02:48:09,730 INFO L241 Difference]: Finished difference. Result has 145 places, 265 transitions, 3227 flow [2020-10-16 02:48:09,731 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=382, PETRI_DIFFERENCE_MINUEND_FLOW=2587, PETRI_DIFFERENCE_MINUEND_PLACES=131, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=240, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=123, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=112, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=3227, PETRI_PLACES=145, PETRI_TRANSITIONS=265} [2020-10-16 02:48:09,731 INFO L342 CegarLoopForPetriNet]: 58 programPoint places, 87 predicate places. [2020-10-16 02:48:09,731 INFO L481 AbstractCegarLoop]: Abstraction has has 145 places, 265 transitions, 3227 flow [2020-10-16 02:48:09,731 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-16 02:48:09,731 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 02:48:09,731 INFO L255 CegarLoopForPetriNet]: trace histogram [5, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 02:48:09,731 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2020-10-16 02:48:09,731 INFO L429 AbstractCegarLoop]: === Iteration 13 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 02:48:09,732 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 02:48:09,732 INFO L82 PathProgramCache]: Analyzing trace with hash 750227217, now seen corresponding path program 1 times [2020-10-16 02:48:09,732 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 02:48:09,732 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [383895539] [2020-10-16 02:48:09,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 02:48:09,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 02:48:09,769 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2020-10-16 02:48:09,770 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [383895539] [2020-10-16 02:48:09,770 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 02:48:09,770 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-16 02:48:09,770 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [402661060] [2020-10-16 02:48:09,771 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-16 02:48:09,771 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 02:48:09,771 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-16 02:48:09,771 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-16 02:48:09,773 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 246 out of 382 [2020-10-16 02:48:09,773 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 145 places, 265 transitions, 3227 flow. Second operand 5 states. [2020-10-16 02:48:09,773 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 02:48:09,774 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 246 of 382 [2020-10-16 02:48:09,774 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand Received shutdown request... [2020-10-16 02:48:24,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-16 02:48:24,226 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2020-10-16 02:48:24,226 WARN L546 AbstractCegarLoop]: Verification canceled [2020-10-16 02:48:24,229 WARN L235 ceAbstractionStarter]: Timeout [2020-10-16 02:48:24,229 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.10 02:48:24 BasicIcfg [2020-10-16 02:48:24,229 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-16 02:48:24,230 INFO L168 Benchmark]: Toolchain (without parser) took 734205.30 ms. Allocated memory was 251.7 MB in the beginning and 7.1 GB in the end (delta: 6.8 GB). Free memory was 205.3 MB in the beginning and 3.9 GB in the end (delta: -3.7 GB). Peak memory consumption was 5.1 GB. Max. memory is 14.2 GB. [2020-10-16 02:48:24,230 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 251.7 MB. Free memory is still 228.0 MB. There was no memory consumed. Max. memory is 14.2 GB. [2020-10-16 02:48:24,231 INFO L168 Benchmark]: CACSL2BoogieTranslator took 644.93 ms. Allocated memory was 251.7 MB in the beginning and 315.6 MB in the end (delta: 64.0 MB). Free memory was 205.3 MB in the beginning and 271.4 MB in the end (delta: -66.1 MB). Peak memory consumption was 29.5 MB. Max. memory is 14.2 GB. [2020-10-16 02:48:24,231 INFO L168 Benchmark]: Boogie Procedure Inliner took 52.05 ms. Allocated memory is still 315.6 MB. Free memory is still 268.9 MB. There was no memory consumed. Max. memory is 14.2 GB. [2020-10-16 02:48:24,231 INFO L168 Benchmark]: Boogie Preprocessor took 31.37 ms. Allocated memory is still 315.6 MB. Free memory was 268.9 MB in the beginning and 266.4 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. [2020-10-16 02:48:24,232 INFO L168 Benchmark]: RCFGBuilder took 441.50 ms. Allocated memory is still 315.6 MB. Free memory was 266.4 MB in the beginning and 242.0 MB in the end (delta: 24.4 MB). Peak memory consumption was 24.4 MB. Max. memory is 14.2 GB. [2020-10-16 02:48:24,232 INFO L168 Benchmark]: TraceAbstraction took 733030.09 ms. Allocated memory was 315.6 MB in the beginning and 7.1 GB in the end (delta: 6.8 GB). Free memory was 242.0 MB in the beginning and 3.9 GB in the end (delta: -3.6 GB). Peak memory consumption was 5.1 GB. Max. memory is 14.2 GB. [2020-10-16 02:48:24,234 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 251.7 MB. Free memory is still 228.0 MB. There was no memory consumed. Max. memory is 14.2 GB. * CACSL2BoogieTranslator took 644.93 ms. Allocated memory was 251.7 MB in the beginning and 315.6 MB in the end (delta: 64.0 MB). Free memory was 205.3 MB in the beginning and 271.4 MB in the end (delta: -66.1 MB). Peak memory consumption was 29.5 MB. Max. memory is 14.2 GB. * Boogie Procedure Inliner took 52.05 ms. Allocated memory is still 315.6 MB. Free memory is still 268.9 MB. There was no memory consumed. Max. memory is 14.2 GB. * Boogie Preprocessor took 31.37 ms. Allocated memory is still 315.6 MB. Free memory was 268.9 MB in the beginning and 266.4 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. * RCFGBuilder took 441.50 ms. Allocated memory is still 315.6 MB. Free memory was 266.4 MB in the beginning and 242.0 MB in the end (delta: 24.4 MB). Peak memory consumption was 24.4 MB. Max. memory is 14.2 GB. * TraceAbstraction took 733030.09 ms. Allocated memory was 315.6 MB in the beginning and 7.1 GB in the end (delta: 6.8 GB). Free memory was 242.0 MB in the beginning and 3.9 GB in the end (delta: -3.6 GB). Peak memory consumption was 5.1 GB. Max. memory is 14.2 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 866 VarBasedMoverChecksPositive, 5 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 5 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 3 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 2.9s, 76 PlacesBefore, 17 PlacesAfterwards, 75 TransitionsBefore, 11 TransitionsAfterwards, 1242 CoEnabledTransitionPairs, 7 FixpointIterations, 31 TrivialSequentialCompositions, 37 ConcurrentSequentialCompositions, 1 TrivialYvCompositions, 12 ConcurrentYvCompositions, 5 ChoiceCompositions, 86 TotalNumberOfCompositions, 1210 MoverChecksTotal - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 2038 VarBasedMoverChecksPositive, 42 VarBasedMoverChecksNegative, 16 SemBasedMoverChecksPositive, 26 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.1s, 101 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 2.7s, 95 PlacesBefore, 28 PlacesAfterwards, 94 TransitionsBefore, 23 TransitionsAfterwards, 2844 CoEnabledTransitionPairs, 6 FixpointIterations, 26 TrivialSequentialCompositions, 45 ConcurrentSequentialCompositions, 2 TrivialYvCompositions, 14 ConcurrentYvCompositions, 4 ChoiceCompositions, 91 TotalNumberOfCompositions, 3948 MoverChecksTotal - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 3478 VarBasedMoverChecksPositive, 62 VarBasedMoverChecksNegative, 18 SemBasedMoverChecksPositive, 44 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.2s, 169 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 3.1s, 114 PlacesBefore, 36 PlacesAfterwards, 113 TransitionsBefore, 30 TransitionsAfterwards, 5130 CoEnabledTransitionPairs, 6 FixpointIterations, 28 TrivialSequentialCompositions, 55 ConcurrentSequentialCompositions, 1 TrivialYvCompositions, 16 ConcurrentYvCompositions, 5 ChoiceCompositions, 105 TotalNumberOfCompositions, 8097 MoverChecksTotal - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 5245 VarBasedMoverChecksPositive, 133 VarBasedMoverChecksNegative, 76 SemBasedMoverChecksPositive, 57 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.4s, 222 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 4.0s, 133 PlacesBefore, 44 PlacesAfterwards, 132 TransitionsBefore, 37 TransitionsAfterwards, 8100 CoEnabledTransitionPairs, 7 FixpointIterations, 30 TrivialSequentialCompositions, 72 ConcurrentSequentialCompositions, 2 TrivialYvCompositions, 17 ConcurrentYvCompositions, 6 ChoiceCompositions, 127 TotalNumberOfCompositions, 15232 MoverChecksTotal - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 7866 VarBasedMoverChecksPositive, 154 VarBasedMoverChecksNegative, 84 SemBasedMoverChecksPositive, 70 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.4s, 300 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 4.0s, 152 PlacesBefore, 51 PlacesAfterwards, 151 TransitionsBefore, 44 TransitionsAfterwards, 11754 CoEnabledTransitionPairs, 6 FixpointIterations, 27 TrivialSequentialCompositions, 88 ConcurrentSequentialCompositions, 1 TrivialYvCompositions, 22 ConcurrentYvCompositions, 6 ChoiceCompositions, 144 TotalNumberOfCompositions, 20347 MoverChecksTotal - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 10758 VarBasedMoverChecksPositive, 194 VarBasedMoverChecksNegative, 106 SemBasedMoverChecksPositive, 88 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.6s, 608 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 4.9s, 171 PlacesBefore, 58 PlacesAfterwards, 170 TransitionsBefore, 51 TransitionsAfterwards, 16092 CoEnabledTransitionPairs, 6 FixpointIterations, 27 TrivialSequentialCompositions, 100 ConcurrentSequentialCompositions, 1 TrivialYvCompositions, 27 ConcurrentYvCompositions, 6 ChoiceCompositions, 161 TotalNumberOfCompositions, 27133 MoverChecksTotal - TimeoutResultAtElement [Line: 678]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 678). Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (5states, 246/382 universal loopers) in iteration 13,while PetriNetUnfolder was constructing finite prefix that currently has 355635 conditions, 105970 events (53892/105969 cut-off events. For 483294/483500 co-relation queries the response was YES. Maximal size of possible extension queue 21412. Compared 1504451 event pairs, 8060 based on Foata normal form. 1041/103466 useless extension candidates. Maximal degree in co-relation 355594. Up to 56392 conditions per place.). - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 71 locations, 1 error locations. Started 6 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: UNSAFE, OverallTime: 732.6s, OverallIterations: 45, TraceHistogramMax: 6, AutomataDifference: 705.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 22.0s, HoareTripleCheckerStatistics: 303 SDtfs, 3671 SDslu, 412 SDs, 0 SdLazy, 6651 SolverSat, 501 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 385 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 299 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 531 ImplicationChecksByTransitivity, 2.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3227occurred in iteration=12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.9s InterpolantComputationTime, 772 NumberOfCodeBlocks, 772 NumberOfCodeBlocksAsserted, 51 NumberOfCheckSat, 642 ConstructedInterpolants, 0 QuantifiedInterpolants, 68634 SizeOfPredicates, 24 NumberOfNonLiveVariables, 857 ConjunctsInSsa, 42 ConjunctsInUnsatCore, 46 InterpolantComputations, 34 PerfectInterpolantSequences, 196/214 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown