/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-SemanticLooper.epf -i ../../../trunk/examples/svcomp/pthread-nondet/nondet-loop-bound-variant-2.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-7bb8cbd [2020-10-16 06:02:09,802 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-16 06:02:09,805 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-16 06:02:09,844 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-16 06:02:09,844 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-16 06:02:09,855 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-16 06:02:09,857 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-16 06:02:09,860 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-16 06:02:09,862 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-16 06:02:09,863 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-16 06:02:09,864 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-16 06:02:09,867 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-16 06:02:09,868 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-16 06:02:09,870 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-16 06:02:09,872 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-16 06:02:09,874 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-16 06:02:09,876 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-16 06:02:09,877 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-16 06:02:09,879 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-16 06:02:09,885 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-16 06:02:09,887 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-16 06:02:09,888 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-16 06:02:09,889 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-16 06:02:09,890 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-16 06:02:09,895 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-10-16 06:02:09,899 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-16 06:02:09,900 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-16 06:02:09,901 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-16 06:02:09,902 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-16 06:02:09,903 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-16 06:02:09,904 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-16 06:02:09,904 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-16 06:02:09,904 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-16 06:02:09,905 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-16 06:02:09,906 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-16 06:02:09,907 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-16 06:02:09,908 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-SemanticLooper.epf [2020-10-16 06:02:09,948 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-16 06:02:09,948 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-16 06:02:09,950 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-16 06:02:09,950 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-16 06:02:09,951 INFO L138 SettingsManager]: * Use SBE=true [2020-10-16 06:02:09,951 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-16 06:02:09,951 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-16 06:02:09,951 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-16 06:02:09,951 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-16 06:02:09,952 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-16 06:02:09,953 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-16 06:02:09,953 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-16 06:02:09,953 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-16 06:02:09,954 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-16 06:02:09,954 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-16 06:02:09,954 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-16 06:02:09,954 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-16 06:02:09,954 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-16 06:02:09,955 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-16 06:02:09,955 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-16 06:02:09,955 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-16 06:02:09,955 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-16 06:02:09,955 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-16 06:02:09,956 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-16 06:02:09,956 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-16 06:02:09,956 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-16 06:02:09,956 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-16 06:02:09,956 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2020-10-16 06:02:09,956 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-16 06:02:10,237 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-16 06:02:10,252 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-16 06:02:10,256 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-16 06:02:10,257 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-16 06:02:10,258 INFO L275 PluginConnector]: CDTParser initialized [2020-10-16 06:02:10,258 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-nondet/nondet-loop-bound-variant-2.i [2020-10-16 06:02:10,321 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1e505abbd/271aa244f25d4f46b50a4b19693a5e4c/FLAG91e3ad242 [2020-10-16 06:02:10,788 INFO L306 CDTParser]: Found 1 translation units. [2020-10-16 06:02:10,789 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-nondet/nondet-loop-bound-variant-2.i [2020-10-16 06:02:10,805 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1e505abbd/271aa244f25d4f46b50a4b19693a5e4c/FLAG91e3ad242 [2020-10-16 06:02:11,101 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1e505abbd/271aa244f25d4f46b50a4b19693a5e4c [2020-10-16 06:02:11,109 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-16 06:02:11,111 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-16 06:02:11,112 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-16 06:02:11,112 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-16 06:02:11,116 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-16 06:02:11,117 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 06:02:11" (1/1) ... [2020-10-16 06:02:11,120 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49ab8fbc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 06:02:11, skipping insertion in model container [2020-10-16 06:02:11,120 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 06:02:11" (1/1) ... [2020-10-16 06:02:11,128 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-16 06:02:11,191 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-16 06:02:11,713 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-16 06:02:11,734 INFO L203 MainTranslator]: Completed pre-run [2020-10-16 06:02:11,807 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-16 06:02:11,919 INFO L208 MainTranslator]: Completed translation [2020-10-16 06:02:11,920 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 06:02:11 WrapperNode [2020-10-16 06:02:11,921 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-16 06:02:11,922 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-16 06:02:11,922 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-16 06:02:11,922 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-16 06:02:11,931 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 06:02:11" (1/1) ... [2020-10-16 06:02:11,968 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 06:02:11" (1/1) ... [2020-10-16 06:02:12,008 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-16 06:02:12,010 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-16 06:02:12,010 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-16 06:02:12,011 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-16 06:02:12,020 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 06:02:11" (1/1) ... [2020-10-16 06:02:12,021 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 06:02:11" (1/1) ... [2020-10-16 06:02:12,029 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 06:02:11" (1/1) ... [2020-10-16 06:02:12,029 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 06:02:11" (1/1) ... [2020-10-16 06:02:12,043 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 06:02:11" (1/1) ... [2020-10-16 06:02:12,049 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 06:02:11" (1/1) ... [2020-10-16 06:02:12,051 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 06:02:11" (1/1) ... [2020-10-16 06:02:12,054 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-16 06:02:12,055 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-16 06:02:12,055 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-16 06:02:12,055 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-16 06:02:12,056 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 06:02:11" (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 06:02:12,121 INFO L130 BoogieDeclarations]: Found specification of procedure thr2 [2020-10-16 06:02:12,121 INFO L138 BoogieDeclarations]: Found implementation of procedure thr2 [2020-10-16 06:02:12,121 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2020-10-16 06:02:12,121 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2020-10-16 06:02:12,121 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-16 06:02:12,121 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2020-10-16 06:02:12,122 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-16 06:02:12,122 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-16 06:02:12,122 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-16 06:02:12,122 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-16 06:02:12,122 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-16 06:02:12,124 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 06:02:12,479 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-16 06:02:12,480 INFO L298 CfgBuilder]: Removed 11 assume(true) statements. [2020-10-16 06:02:12,482 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 06:02:12 BoogieIcfgContainer [2020-10-16 06:02:12,482 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-16 06:02:12,483 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-16 06:02:12,483 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-16 06:02:12,487 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-16 06:02:12,487 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 06:02:11" (1/3) ... [2020-10-16 06:02:12,488 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3fbf6976 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 06:02:12, skipping insertion in model container [2020-10-16 06:02:12,489 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 06:02:11" (2/3) ... [2020-10-16 06:02:12,489 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3fbf6976 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 06:02:12, skipping insertion in model container [2020-10-16 06:02:12,489 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 06:02:12" (3/3) ... [2020-10-16 06:02:12,491 INFO L111 eAbstractionObserver]: Analyzing ICFG nondet-loop-bound-variant-2.i [2020-10-16 06:02:12,505 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-16 06:02:12,512 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-16 06:02:12,513 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-16 06:02:12,546 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:12,547 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:12,547 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:12,547 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:12,548 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:12,548 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:12,548 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:12,549 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:12,549 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:12,549 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:12,549 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:12,550 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:12,550 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:12,550 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:12,550 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:12,551 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:12,551 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:12,551 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:12,552 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:12,552 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:12,552 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:12,553 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:12,553 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:12,554 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:12,560 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:12,561 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:12,561 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:12,561 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:12,561 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:12,562 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:12,562 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:12,566 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:12,569 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:12,570 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:12,570 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:12,570 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:12,570 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:12,570 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:12,571 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:12,571 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:12,574 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:12,592 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:12,593 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:12,593 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:12,593 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:12,593 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:12,593 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:12,616 INFO L253 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2020-10-16 06:02:12,637 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-16 06:02:12,638 INFO L378 AbstractCegarLoop]: Hoare is false [2020-10-16 06:02:12,638 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-16 06:02:12,638 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-16 06:02:12,638 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-16 06:02:12,638 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-16 06:02:12,639 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-16 06:02:12,639 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-16 06:02:12,658 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 77 places, 76 transitions, 162 flow [2020-10-16 06:02:12,747 INFO L129 PetriNetUnfolder]: 6/86 cut-off events. [2020-10-16 06:02:12,747 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-16 06:02:12,756 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 06:02:12,757 INFO L82 GeneralOperation]: Start removeDead. Operand has 77 places, 76 transitions, 162 flow [2020-10-16 06:02:12,767 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 76 places, 75 transitions, 158 flow [2020-10-16 06:02:12,770 INFO L129 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-10-16 06:02:12,774 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 76 places, 75 transitions, 158 flow [2020-10-16 06:02:12,777 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 76 places, 75 transitions, 158 flow [2020-10-16 06:02:12,778 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 76 places, 75 transitions, 158 flow [2020-10-16 06:02:12,828 INFO L129 PetriNetUnfolder]: 6/86 cut-off events. [2020-10-16 06:02:12,828 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-16 06:02:12,830 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 06:02:12,832 INFO L117 LiptonReduction]: Number of co-enabled transitions 1242 [2020-10-16 06:02:14,500 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2020-10-16 06:02:14,778 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 78 [2020-10-16 06:02:14,951 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 57 [2020-10-16 06:02:15,662 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 100 [2020-10-16 06:02:15,809 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2020-10-16 06:02:15,839 INFO L132 LiptonReduction]: Checked pairs total: 1210 [2020-10-16 06:02:15,839 INFO L134 LiptonReduction]: Total number of compositions: 86 [2020-10-16 06:02:15,842 INFO L182 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 3074 [2020-10-16 06:02:15,847 INFO L129 PetriNetUnfolder]: 0/2 cut-off events. [2020-10-16 06:02:15,847 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-16 06:02:15,848 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 06:02:15,849 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2020-10-16 06:02:15,849 INFO L429 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-10-16 06:02:15,854 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 06:02:15,855 INFO L82 PathProgramCache]: Analyzing trace with hash 317060, now seen corresponding path program 1 times [2020-10-16 06:02:15,865 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 06:02:15,865 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1427155518] [2020-10-16 06:02:15,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 06:02:15,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 06:02:16,084 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 06:02:16,085 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1427155518] [2020-10-16 06:02:16,086 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 06:02:16,086 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-16 06:02:16,087 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [139640448] [2020-10-16 06:02:16,097 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-16 06:02:16,098 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 06:02:16,113 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-16 06:02:16,115 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 06:02:16,118 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 91 out of 162 [2020-10-16 06:02:16,120 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 17 places, 11 transitions, 30 flow. Second operand 3 states. [2020-10-16 06:02:16,120 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 06:02:16,120 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 91 of 162 [2020-10-16 06:02:16,122 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 06:02:16,157 INFO L129 PetriNetUnfolder]: 13/37 cut-off events. [2020-10-16 06:02:16,157 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-16 06:02:16,158 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 06:02:16,159 INFO L132 encePairwiseOnDemand]: 159/162 looper letters, 7 selfloop transitions, 2 changer transitions 0/14 dead transitions. [2020-10-16 06:02:16,159 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 19 places, 14 transitions, 54 flow [2020-10-16 06:02:16,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-16 06:02:16,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-10-16 06:02:16,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 283 transitions. [2020-10-16 06:02:16,178 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.5823045267489712 [2020-10-16 06:02:16,179 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 283 transitions. [2020-10-16 06:02:16,179 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 283 transitions. [2020-10-16 06:02:16,181 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 06:02:16,184 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 283 transitions. [2020-10-16 06:02:16,188 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 4 states. [2020-10-16 06:02:16,194 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 4 states. [2020-10-16 06:02:16,195 INFO L81 ComplementDD]: Finished complementDD. Result 4 states. [2020-10-16 06:02:16,197 INFO L185 Difference]: Start difference. First operand has 17 places, 11 transitions, 30 flow. Second operand 3 states and 283 transitions. [2020-10-16 06:02:16,198 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 19 places, 14 transitions, 54 flow [2020-10-16 06:02:16,201 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 06:02:16,203 INFO L241 Difference]: Finished difference. Result has 19 places, 11 transitions, 37 flow [2020-10-16 06:02:16,206 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 06:02:16,207 INFO L342 CegarLoopForPetriNet]: 17 programPoint places, 2 predicate places. [2020-10-16 06:02:16,207 INFO L481 AbstractCegarLoop]: Abstraction has has 19 places, 11 transitions, 37 flow [2020-10-16 06:02:16,208 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-16 06:02:16,208 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 06:02:16,208 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2020-10-16 06:02:16,208 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-16 06:02:16,209 INFO L429 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-10-16 06:02:16,209 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 06:02:16,209 INFO L82 PathProgramCache]: Analyzing trace with hash 720661308, now seen corresponding path program 1 times [2020-10-16 06:02:16,209 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 06:02:16,210 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1274137872] [2020-10-16 06:02:16,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 06:02:16,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 06:02:16,358 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 06:02:16,359 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1274137872] [2020-10-16 06:02:16,359 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 06:02:16,359 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-16 06:02:16,359 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2079988069] [2020-10-16 06:02:16,361 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-16 06:02:16,361 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 06:02:16,362 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-16 06:02:16,362 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-16 06:02:16,364 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 91 out of 162 [2020-10-16 06:02:16,364 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 19 places, 11 transitions, 37 flow. Second operand 4 states. [2020-10-16 06:02:16,365 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 06:02:16,365 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 91 of 162 [2020-10-16 06:02:16,365 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 06:02:16,395 INFO L129 PetriNetUnfolder]: 11/32 cut-off events. [2020-10-16 06:02:16,395 INFO L130 PetriNetUnfolder]: For 6/6 co-relation queries the response was YES. [2020-10-16 06:02:16,395 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 06:02:16,396 INFO L132 encePairwiseOnDemand]: 159/162 looper letters, 4 selfloop transitions, 2 changer transitions 2/13 dead transitions. [2020-10-16 06:02:16,396 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 21 places, 13 transitions, 55 flow [2020-10-16 06:02:16,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-16 06:02:16,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-10-16 06:02:16,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 373 transitions. [2020-10-16 06:02:16,402 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.5756172839506173 [2020-10-16 06:02:16,402 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 373 transitions. [2020-10-16 06:02:16,402 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 373 transitions. [2020-10-16 06:02:16,403 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 06:02:16,403 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 373 transitions. [2020-10-16 06:02:16,404 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 5 states. [2020-10-16 06:02:16,406 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 5 states. [2020-10-16 06:02:16,406 INFO L81 ComplementDD]: Finished complementDD. Result 5 states. [2020-10-16 06:02:16,407 INFO L185 Difference]: Start difference. First operand has 19 places, 11 transitions, 37 flow. Second operand 4 states and 373 transitions. [2020-10-16 06:02:16,407 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 21 places, 13 transitions, 55 flow [2020-10-16 06:02:16,407 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 06:02:16,408 INFO L241 Difference]: Finished difference. Result has 18 places, 9 transitions, 29 flow [2020-10-16 06:02:16,408 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 06:02:16,409 INFO L342 CegarLoopForPetriNet]: 17 programPoint places, 1 predicate places. [2020-10-16 06:02:16,409 INFO L481 AbstractCegarLoop]: Abstraction has has 18 places, 9 transitions, 29 flow [2020-10-16 06:02:16,409 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-16 06:02:16,409 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 06:02:16,409 INFO L255 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1] [2020-10-16 06:02:16,410 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-16 06:02:16,410 INFO L429 AbstractCegarLoop]: === Iteration 3 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-10-16 06:02:16,410 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 06:02:16,410 INFO L82 PathProgramCache]: Analyzing trace with hash 865633674, now seen corresponding path program 1 times [2020-10-16 06:02:16,411 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 06:02:16,411 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1582518641] [2020-10-16 06:02:16,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 06:02:16,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-16 06:02:16,433 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-16 06:02:16,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-16 06:02:16,448 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-16 06:02:16,475 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-16 06:02:16,475 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-16 06:02:16,476 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-16 06:02:16,476 WARN L264 etLargeBlockEncoding]: Failed to translate choice composition: Branch encoders not available. [2020-10-16 06:02:16,477 WARN L371 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2020-10-16 06:02:16,478 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2020-10-16 06:02:16,488 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:16,488 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:16,489 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:16,489 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:16,489 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:16,489 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:16,489 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:16,489 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:16,490 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:16,490 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:16,490 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:16,490 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:16,490 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:16,491 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:16,491 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:16,491 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:16,491 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:16,491 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:16,491 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:16,492 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:16,492 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:16,492 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:16,492 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:16,492 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:16,493 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:16,493 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:16,493 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:16,493 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:16,493 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:16,493 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:16,494 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:16,494 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:16,494 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:16,494 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:16,494 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:16,494 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:16,495 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:16,495 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:16,495 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:16,495 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:16,496 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:16,496 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:16,496 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:16,497 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:16,497 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:16,497 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:16,497 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:16,497 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:16,498 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:16,498 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:16,498 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:16,498 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:16,499 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:16,499 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:16,499 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:16,499 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:16,499 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:16,500 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:16,500 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:16,500 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:16,500 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:16,500 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:16,501 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:16,501 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:16,501 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:16,501 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:16,501 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:16,502 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:16,502 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:16,502 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:16,502 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:16,502 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:16,504 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:16,505 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:16,505 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:16,505 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:16,505 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:16,505 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:16,506 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:16,506 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:16,506 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:16,506 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:16,509 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:16,510 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:16,510 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:16,510 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:16,510 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:16,510 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:16,512 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:16,512 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:16,513 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:16,513 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:16,513 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:16,513 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:16,515 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-16 06:02:16,515 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-16 06:02:16,515 INFO L378 AbstractCegarLoop]: Hoare is false [2020-10-16 06:02:16,515 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-16 06:02:16,515 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-16 06:02:16,516 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-16 06:02:16,516 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-16 06:02:16,516 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-16 06:02:16,516 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-16 06:02:16,519 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 107 places, 105 transitions, 234 flow [2020-10-16 06:02:16,541 INFO L129 PetriNetUnfolder]: 9/120 cut-off events. [2020-10-16 06:02:16,541 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2020-10-16 06:02:16,543 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 06:02:16,543 INFO L82 GeneralOperation]: Start removeDead. Operand has 107 places, 105 transitions, 234 flow [2020-10-16 06:02:16,545 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 95 places, 94 transitions, 203 flow [2020-10-16 06:02:16,545 INFO L129 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-10-16 06:02:16,545 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 95 places, 94 transitions, 203 flow [2020-10-16 06:02:16,545 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 95 places, 94 transitions, 203 flow [2020-10-16 06:02:16,545 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 95 places, 94 transitions, 203 flow [2020-10-16 06:02:16,563 INFO L129 PetriNetUnfolder]: 9/120 cut-off events. [2020-10-16 06:02:16,564 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2020-10-16 06:02:16,565 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 06:02:16,568 INFO L117 LiptonReduction]: Number of co-enabled transitions 2844 [2020-10-16 06:02:18,308 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 53 [2020-10-16 06:02:19,167 WARN L193 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 104 [2020-10-16 06:02:19,397 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 92 [2020-10-16 06:02:19,408 INFO L132 LiptonReduction]: Checked pairs total: 3948 [2020-10-16 06:02:19,409 INFO L134 LiptonReduction]: Total number of compositions: 91 [2020-10-16 06:02:19,409 INFO L182 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2864 [2020-10-16 06:02:19,411 INFO L129 PetriNetUnfolder]: 0/2 cut-off events. [2020-10-16 06:02:19,411 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-16 06:02:19,411 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 06:02:19,411 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2020-10-16 06:02:19,412 INFO L429 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 06:02:19,412 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 06:02:19,412 INFO L82 PathProgramCache]: Analyzing trace with hash 540308, now seen corresponding path program 1 times [2020-10-16 06:02:19,412 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 06:02:19,413 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [18239004] [2020-10-16 06:02:19,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 06:02:19,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 06:02:19,475 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 06:02:19,475 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [18239004] [2020-10-16 06:02:19,475 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 06:02:19,476 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-16 06:02:19,476 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1740883850] [2020-10-16 06:02:19,476 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-16 06:02:19,476 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 06:02:19,477 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-16 06:02:19,477 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 06:02:19,478 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 134 out of 196 [2020-10-16 06:02:19,478 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 28 places, 23 transitions, 61 flow. Second operand 3 states. [2020-10-16 06:02:19,479 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 06:02:19,479 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 134 of 196 [2020-10-16 06:02:19,480 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 06:02:19,567 INFO L129 PetriNetUnfolder]: 232/416 cut-off events. [2020-10-16 06:02:19,568 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2020-10-16 06:02:19,569 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 06:02:19,572 INFO L132 encePairwiseOnDemand]: 191/196 looper letters, 17 selfloop transitions, 3 changer transitions 0/31 dead transitions. [2020-10-16 06:02:19,573 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 30 places, 31 transitions, 117 flow [2020-10-16 06:02:19,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-16 06:02:19,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-10-16 06:02:19,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 425 transitions. [2020-10-16 06:02:19,576 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.7227891156462585 [2020-10-16 06:02:19,576 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 425 transitions. [2020-10-16 06:02:19,576 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 425 transitions. [2020-10-16 06:02:19,577 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 06:02:19,577 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 425 transitions. [2020-10-16 06:02:19,578 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 4 states. [2020-10-16 06:02:19,580 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 4 states. [2020-10-16 06:02:19,580 INFO L81 ComplementDD]: Finished complementDD. Result 4 states. [2020-10-16 06:02:19,580 INFO L185 Difference]: Start difference. First operand has 28 places, 23 transitions, 61 flow. Second operand 3 states and 425 transitions. [2020-10-16 06:02:19,581 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 30 places, 31 transitions, 117 flow [2020-10-16 06:02:19,581 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 06:02:19,582 INFO L241 Difference]: Finished difference. Result has 30 places, 24 transitions, 75 flow [2020-10-16 06:02:19,582 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 06:02:19,583 INFO L342 CegarLoopForPetriNet]: 28 programPoint places, 2 predicate places. [2020-10-16 06:02:19,583 INFO L481 AbstractCegarLoop]: Abstraction has has 30 places, 24 transitions, 75 flow [2020-10-16 06:02:19,583 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-16 06:02:19,583 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 06:02:19,583 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 06:02:19,584 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-16 06:02:19,584 INFO L429 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 06:02:19,584 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 06:02:19,584 INFO L82 PathProgramCache]: Analyzing trace with hash 352870369, now seen corresponding path program 1 times [2020-10-16 06:02:19,584 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 06:02:19,585 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [95966696] [2020-10-16 06:02:19,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 06:02:19,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 06:02:19,662 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 06:02:19,662 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [95966696] [2020-10-16 06:02:19,663 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 06:02:19,664 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-16 06:02:19,664 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [303401862] [2020-10-16 06:02:19,665 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-16 06:02:19,665 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 06:02:19,665 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-16 06:02:19,665 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-16 06:02:19,667 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 126 out of 196 [2020-10-16 06:02:19,667 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 30 places, 24 transitions, 75 flow. Second operand 5 states. [2020-10-16 06:02:19,667 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 06:02:19,667 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 126 of 196 [2020-10-16 06:02:19,668 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 06:02:19,869 INFO L129 PetriNetUnfolder]: 294/568 cut-off events. [2020-10-16 06:02:19,870 INFO L130 PetriNetUnfolder]: For 23/23 co-relation queries the response was YES. [2020-10-16 06:02:19,872 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 06:02:19,879 INFO L132 encePairwiseOnDemand]: 191/196 looper letters, 31 selfloop transitions, 7 changer transitions 0/47 dead transitions. [2020-10-16 06:02:19,879 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 35 places, 47 transitions, 204 flow [2020-10-16 06:02:19,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-16 06:02:19,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-10-16 06:02:19,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 795 transitions. [2020-10-16 06:02:19,883 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.6760204081632653 [2020-10-16 06:02:19,883 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 795 transitions. [2020-10-16 06:02:19,883 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 795 transitions. [2020-10-16 06:02:19,884 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 06:02:19,884 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 795 transitions. [2020-10-16 06:02:19,886 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 7 states. [2020-10-16 06:02:19,889 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 7 states. [2020-10-16 06:02:19,889 INFO L81 ComplementDD]: Finished complementDD. Result 7 states. [2020-10-16 06:02:19,889 INFO L185 Difference]: Start difference. First operand has 30 places, 24 transitions, 75 flow. Second operand 6 states and 795 transitions. [2020-10-16 06:02:19,889 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 35 places, 47 transitions, 204 flow [2020-10-16 06:02:19,891 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 06:02:19,893 INFO L241 Difference]: Finished difference. Result has 37 places, 27 transitions, 111 flow [2020-10-16 06:02:19,894 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 06:02:19,894 INFO L342 CegarLoopForPetriNet]: 28 programPoint places, 9 predicate places. [2020-10-16 06:02:19,894 INFO L481 AbstractCegarLoop]: Abstraction has has 37 places, 27 transitions, 111 flow [2020-10-16 06:02:19,895 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-16 06:02:19,895 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 06:02:19,895 INFO L255 CegarLoopForPetriNet]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1] [2020-10-16 06:02:19,895 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-16 06:02:19,896 INFO L429 AbstractCegarLoop]: === Iteration 3 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 06:02:19,896 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 06:02:19,896 INFO L82 PathProgramCache]: Analyzing trace with hash -856951799, now seen corresponding path program 1 times [2020-10-16 06:02:19,896 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 06:02:19,897 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [408008570] [2020-10-16 06:02:19,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 06:02:19,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-16 06:02:19,944 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-16 06:02:19,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-16 06:02:19,969 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-16 06:02:19,979 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-16 06:02:19,979 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-16 06:02:19,980 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-16 06:02:19,980 WARN L264 etLargeBlockEncoding]: Failed to translate choice composition: Branch encoders not available. [2020-10-16 06:02:19,981 WARN L371 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2020-10-16 06:02:19,982 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2020-10-16 06:02:19,993 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:19,993 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:19,993 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:19,994 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:19,994 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:19,994 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:19,994 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:19,994 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:19,994 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:19,995 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:19,995 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:19,995 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:19,995 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:19,995 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:19,995 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:19,995 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:19,996 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:19,996 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:19,996 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:19,996 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:19,996 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:19,997 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:19,997 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:19,997 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:19,997 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:19,997 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:19,997 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:19,997 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:19,998 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:19,998 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:19,998 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:19,998 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:19,998 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:19,998 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:19,998 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:19,999 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:19,999 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:19,999 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:19,999 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:19,999 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:19,999 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:20,000 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:20,000 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:20,000 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:20,000 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:20,000 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:20,000 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:20,001 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:20,001 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:20,001 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:20,001 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:20,001 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:20,001 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:20,001 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:20,002 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:20,002 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:20,002 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:20,002 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:20,002 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:20,002 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:20,002 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:20,003 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:20,003 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:20,003 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:20,004 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:20,004 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:20,004 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:20,004 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:20,004 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:20,004 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:20,005 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:20,005 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:20,005 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:20,005 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:20,005 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:20,006 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:20,006 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:20,006 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:20,006 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:20,006 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:20,006 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:20,006 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:20,007 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:20,007 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:20,007 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:20,007 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:20,007 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:20,008 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:20,008 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:20,008 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:20,008 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:20,008 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:20,008 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:20,009 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:20,009 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:20,009 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:20,009 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:20,009 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:20,010 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:20,010 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:20,010 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:20,010 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:20,010 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:20,012 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:20,012 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:20,012 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:20,012 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:20,012 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:20,012 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:20,013 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:20,013 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:20,013 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:20,013 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:20,014 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:20,015 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:20,015 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:20,015 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:20,015 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:20,015 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:20,015 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:20,015 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:20,016 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:20,016 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:20,017 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:20,017 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:20,017 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:20,017 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:20,018 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:20,018 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:20,019 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:20,020 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:20,020 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:20,020 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:20,020 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:20,020 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:20,022 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:20,022 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:20,022 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:20,022 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:20,022 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:20,022 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:20,023 INFO L253 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2020-10-16 06:02:20,024 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-16 06:02:20,024 INFO L378 AbstractCegarLoop]: Hoare is false [2020-10-16 06:02:20,024 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-16 06:02:20,024 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-16 06:02:20,024 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-16 06:02:20,024 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-16 06:02:20,024 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-16 06:02:20,025 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-16 06:02:20,027 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 137 places, 134 transitions, 310 flow [2020-10-16 06:02:20,044 INFO L129 PetriNetUnfolder]: 12/154 cut-off events. [2020-10-16 06:02:20,045 INFO L130 PetriNetUnfolder]: For 7/7 co-relation queries the response was YES. [2020-10-16 06:02:20,046 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 06:02:20,046 INFO L82 GeneralOperation]: Start removeDead. Operand has 137 places, 134 transitions, 310 flow [2020-10-16 06:02:20,048 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 114 places, 113 transitions, 250 flow [2020-10-16 06:02:20,048 INFO L129 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-10-16 06:02:20,048 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 114 places, 113 transitions, 250 flow [2020-10-16 06:02:20,048 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 114 places, 113 transitions, 250 flow [2020-10-16 06:02:20,048 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 114 places, 113 transitions, 250 flow [2020-10-16 06:02:20,064 INFO L129 PetriNetUnfolder]: 12/154 cut-off events. [2020-10-16 06:02:20,065 INFO L130 PetriNetUnfolder]: For 7/7 co-relation queries the response was YES. [2020-10-16 06:02:20,066 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 06:02:20,071 INFO L117 LiptonReduction]: Number of co-enabled transitions 5130 [2020-10-16 06:02:22,820 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 82 [2020-10-16 06:02:22,985 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 78 [2020-10-16 06:02:23,299 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 100 [2020-10-16 06:02:23,412 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2020-10-16 06:02:23,420 INFO L132 LiptonReduction]: Checked pairs total: 8097 [2020-10-16 06:02:23,421 INFO L134 LiptonReduction]: Total number of compositions: 105 [2020-10-16 06:02:23,421 INFO L182 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 3373 [2020-10-16 06:02:23,422 INFO L129 PetriNetUnfolder]: 0/3 cut-off events. [2020-10-16 06:02:23,422 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-16 06:02:23,422 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 06:02:23,422 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2020-10-16 06:02:23,422 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 06:02:23,423 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 06:02:23,423 INFO L82 PathProgramCache]: Analyzing trace with hash 805963, now seen corresponding path program 1 times [2020-10-16 06:02:23,423 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 06:02:23,423 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2052031866] [2020-10-16 06:02:23,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 06:02:23,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 06:02:23,459 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 06:02:23,460 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2052031866] [2020-10-16 06:02:23,460 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 06:02:23,460 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-16 06:02:23,460 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [194064352] [2020-10-16 06:02:23,460 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-16 06:02:23,461 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 06:02:23,461 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-16 06:02:23,461 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 06:02:23,462 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 162 out of 239 [2020-10-16 06:02:23,462 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 36 places, 30 transitions, 84 flow. Second operand 3 states. [2020-10-16 06:02:23,463 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 06:02:23,463 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 162 of 239 [2020-10-16 06:02:23,463 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 06:02:23,725 INFO L129 PetriNetUnfolder]: 1332/2109 cut-off events. [2020-10-16 06:02:23,726 INFO L130 PetriNetUnfolder]: For 7/7 co-relation queries the response was YES. [2020-10-16 06:02:23,733 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 06:02:23,752 INFO L132 encePairwiseOnDemand]: 233/239 looper letters, 22 selfloop transitions, 4 changer transitions 0/41 dead transitions. [2020-10-16 06:02:23,753 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 38 places, 41 transitions, 158 flow [2020-10-16 06:02:23,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-16 06:02:23,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-10-16 06:02:23,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 515 transitions. [2020-10-16 06:02:23,756 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.7182705718270572 [2020-10-16 06:02:23,756 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 515 transitions. [2020-10-16 06:02:23,756 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 515 transitions. [2020-10-16 06:02:23,757 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 06:02:23,757 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 515 transitions. [2020-10-16 06:02:23,759 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 4 states. [2020-10-16 06:02:23,761 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 4 states. [2020-10-16 06:02:23,762 INFO L81 ComplementDD]: Finished complementDD. Result 4 states. [2020-10-16 06:02:23,762 INFO L185 Difference]: Start difference. First operand has 36 places, 30 transitions, 84 flow. Second operand 3 states and 515 transitions. [2020-10-16 06:02:23,762 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 38 places, 41 transitions, 158 flow [2020-10-16 06:02:23,763 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 06:02:23,765 INFO L241 Difference]: Finished difference. Result has 38 places, 32 transitions, 101 flow [2020-10-16 06:02:23,765 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 06:02:23,765 INFO L342 CegarLoopForPetriNet]: 36 programPoint places, 2 predicate places. [2020-10-16 06:02:23,766 INFO L481 AbstractCegarLoop]: Abstraction has has 38 places, 32 transitions, 101 flow [2020-10-16 06:02:23,766 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-16 06:02:23,766 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 06:02:23,766 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 06:02:23,767 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-16 06:02:23,767 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 06:02:23,767 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 06:02:23,767 INFO L82 PathProgramCache]: Analyzing trace with hash -1413719848, now seen corresponding path program 1 times [2020-10-16 06:02:23,768 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 06:02:23,768 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [221506517] [2020-10-16 06:02:23,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 06:02:23,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 06:02:23,833 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 06:02:23,833 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [221506517] [2020-10-16 06:02:23,833 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 06:02:23,834 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-16 06:02:23,834 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [510846046] [2020-10-16 06:02:23,834 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-16 06:02:23,835 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 06:02:23,835 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-16 06:02:23,835 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-16 06:02:23,838 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 154 out of 239 [2020-10-16 06:02:23,839 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 38 places, 32 transitions, 101 flow. Second operand 5 states. [2020-10-16 06:02:23,839 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 06:02:23,839 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 154 of 239 [2020-10-16 06:02:23,840 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 06:02:24,297 INFO L129 PetriNetUnfolder]: 2021/3323 cut-off events. [2020-10-16 06:02:24,297 INFO L130 PetriNetUnfolder]: For 201/201 co-relation queries the response was YES. [2020-10-16 06:02:24,307 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 06:02:24,328 INFO L132 encePairwiseOnDemand]: 233/239 looper letters, 49 selfloop transitions, 10 changer transitions 0/72 dead transitions. [2020-10-16 06:02:24,328 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 43 places, 72 transitions, 317 flow [2020-10-16 06:02:24,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-16 06:02:24,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-10-16 06:02:24,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 984 transitions. [2020-10-16 06:02:24,332 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.6861924686192469 [2020-10-16 06:02:24,332 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 984 transitions. [2020-10-16 06:02:24,332 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 984 transitions. [2020-10-16 06:02:24,333 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 06:02:24,333 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 984 transitions. [2020-10-16 06:02:24,336 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 7 states. [2020-10-16 06:02:24,338 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 7 states. [2020-10-16 06:02:24,338 INFO L81 ComplementDD]: Finished complementDD. Result 7 states. [2020-10-16 06:02:24,338 INFO L185 Difference]: Start difference. First operand has 38 places, 32 transitions, 101 flow. Second operand 6 states and 984 transitions. [2020-10-16 06:02:24,338 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 43 places, 72 transitions, 317 flow [2020-10-16 06:02:24,341 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 06:02:24,342 INFO L241 Difference]: Finished difference. Result has 45 places, 38 transitions, 162 flow [2020-10-16 06:02:24,342 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 06:02:24,343 INFO L342 CegarLoopForPetriNet]: 36 programPoint places, 9 predicate places. [2020-10-16 06:02:24,343 INFO L481 AbstractCegarLoop]: Abstraction has has 45 places, 38 transitions, 162 flow [2020-10-16 06:02:24,343 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-16 06:02:24,343 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 06:02:24,343 INFO L255 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 06:02:24,343 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-16 06:02:24,344 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 06:02:24,344 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 06:02:24,344 INFO L82 PathProgramCache]: Analyzing trace with hash -644600028, now seen corresponding path program 1 times [2020-10-16 06:02:24,344 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 06:02:24,344 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [55448208] [2020-10-16 06:02:24,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 06:02:24,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 06:02:24,385 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 06:02:24,386 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [55448208] [2020-10-16 06:02:24,386 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 06:02:24,386 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-16 06:02:24,386 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [208464897] [2020-10-16 06:02:24,387 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-16 06:02:24,387 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 06:02:24,387 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-16 06:02:24,388 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-16 06:02:24,389 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 156 out of 239 [2020-10-16 06:02:24,390 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 45 places, 38 transitions, 162 flow. Second operand 5 states. [2020-10-16 06:02:24,390 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 06:02:24,390 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 156 of 239 [2020-10-16 06:02:24,390 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 06:02:24,972 INFO L129 PetriNetUnfolder]: 2478/4324 cut-off events. [2020-10-16 06:02:24,973 INFO L130 PetriNetUnfolder]: For 2132/2132 co-relation queries the response was YES. [2020-10-16 06:02:24,988 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 06:02:25,014 INFO L132 encePairwiseOnDemand]: 233/239 looper letters, 55 selfloop transitions, 15 changer transitions 0/83 dead transitions. [2020-10-16 06:02:25,015 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 50 places, 83 transitions, 467 flow [2020-10-16 06:02:25,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-16 06:02:25,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-10-16 06:02:25,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 997 transitions. [2020-10-16 06:02:25,018 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.6952580195258019 [2020-10-16 06:02:25,019 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 997 transitions. [2020-10-16 06:02:25,019 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 997 transitions. [2020-10-16 06:02:25,019 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 06:02:25,020 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 997 transitions. [2020-10-16 06:02:25,022 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 7 states. [2020-10-16 06:02:25,024 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 7 states. [2020-10-16 06:02:25,025 INFO L81 ComplementDD]: Finished complementDD. Result 7 states. [2020-10-16 06:02:25,025 INFO L185 Difference]: Start difference. First operand has 45 places, 38 transitions, 162 flow. Second operand 6 states and 997 transitions. [2020-10-16 06:02:25,025 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 50 places, 83 transitions, 467 flow [2020-10-16 06:02:25,048 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 06:02:25,051 INFO L241 Difference]: Finished difference. Result has 51 places, 47 transitions, 264 flow [2020-10-16 06:02:25,051 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 06:02:25,052 INFO L342 CegarLoopForPetriNet]: 36 programPoint places, 15 predicate places. [2020-10-16 06:02:25,052 INFO L481 AbstractCegarLoop]: Abstraction has has 51 places, 47 transitions, 264 flow [2020-10-16 06:02:25,052 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-16 06:02:25,052 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 06:02:25,053 INFO L255 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 06:02:25,053 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-16 06:02:25,053 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 06:02:25,053 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 06:02:25,053 INFO L82 PathProgramCache]: Analyzing trace with hash -370201206, now seen corresponding path program 1 times [2020-10-16 06:02:25,054 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 06:02:25,054 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1381963494] [2020-10-16 06:02:25,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 06:02:25,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 06:02:25,089 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 06:02:25,089 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1381963494] [2020-10-16 06:02:25,090 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 06:02:25,090 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-16 06:02:25,090 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [895964004] [2020-10-16 06:02:25,090 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-16 06:02:25,091 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 06:02:25,091 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-16 06:02:25,091 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 06:02:25,092 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 173 out of 239 [2020-10-16 06:02:25,093 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 51 places, 47 transitions, 264 flow. Second operand 3 states. [2020-10-16 06:02:25,093 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 06:02:25,093 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 173 of 239 [2020-10-16 06:02:25,093 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 06:02:25,137 INFO L129 PetriNetUnfolder]: 38/201 cut-off events. [2020-10-16 06:02:25,137 INFO L130 PetriNetUnfolder]: For 149/169 co-relation queries the response was YES. [2020-10-16 06:02:25,138 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 06:02:25,139 INFO L132 encePairwiseOnDemand]: 231/239 looper letters, 1 selfloop transitions, 8 changer transitions 0/43 dead transitions. [2020-10-16 06:02:25,139 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 53 places, 43 transitions, 240 flow [2020-10-16 06:02:25,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-16 06:02:25,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-10-16 06:02:25,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 531 transitions. [2020-10-16 06:02:25,142 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.7405857740585774 [2020-10-16 06:02:25,142 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 531 transitions. [2020-10-16 06:02:25,142 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 531 transitions. [2020-10-16 06:02:25,142 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 06:02:25,142 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 531 transitions. [2020-10-16 06:02:25,143 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 4 states. [2020-10-16 06:02:25,145 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 4 states. [2020-10-16 06:02:25,145 INFO L81 ComplementDD]: Finished complementDD. Result 4 states. [2020-10-16 06:02:25,145 INFO L185 Difference]: Start difference. First operand has 51 places, 47 transitions, 264 flow. Second operand 3 states and 531 transitions. [2020-10-16 06:02:25,145 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 53 places, 43 transitions, 240 flow [2020-10-16 06:02:25,147 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 06:02:25,148 INFO L241 Difference]: Finished difference. Result has 50 places, 43 transitions, 210 flow [2020-10-16 06:02:25,149 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 06:02:25,149 INFO L342 CegarLoopForPetriNet]: 36 programPoint places, 14 predicate places. [2020-10-16 06:02:25,149 INFO L481 AbstractCegarLoop]: Abstraction has has 50 places, 43 transitions, 210 flow [2020-10-16 06:02:25,149 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-16 06:02:25,149 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 06:02:25,149 INFO L255 CegarLoopForPetriNet]: trace histogram [4, 3, 3, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 06:02:25,150 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-16 06:02:25,150 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 06:02:25,150 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 06:02:25,150 INFO L82 PathProgramCache]: Analyzing trace with hash -68822273, now seen corresponding path program 1 times [2020-10-16 06:02:25,150 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 06:02:25,150 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [729288381] [2020-10-16 06:02:25,151 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 06:02:25,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-16 06:02:25,162 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-16 06:02:25,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-16 06:02:25,172 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-16 06:02:25,179 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-16 06:02:25,179 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-16 06:02:25,180 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-16 06:02:25,180 WARN L264 etLargeBlockEncoding]: Failed to translate choice composition: Branch encoders not available. [2020-10-16 06:02:25,180 WARN L371 ceAbstractionStarter]: 3 thread instances were not sufficient, I will increase this number and restart the analysis [2020-10-16 06:02:25,181 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 4 thread instances. [2020-10-16 06:02:25,193 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:25,193 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:25,194 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:25,194 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:25,194 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:25,194 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:25,194 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:25,194 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:25,194 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:25,195 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:25,195 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:25,195 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:25,195 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:25,195 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:25,195 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:25,195 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:25,195 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:25,196 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:25,196 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:25,196 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:25,196 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:25,196 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:25,196 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:25,197 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:25,197 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:25,197 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:25,197 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:25,197 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:25,197 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:25,197 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:25,197 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:25,198 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:25,198 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:25,198 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:25,198 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:25,198 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:25,198 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:25,198 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:25,199 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:25,199 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:25,199 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:25,199 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:25,199 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:25,199 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:25,199 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:25,200 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:25,200 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:25,200 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:25,200 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:25,200 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:25,200 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:25,200 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:25,201 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:25,201 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:25,201 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:25,201 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:25,201 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:25,201 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:25,201 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:25,201 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:25,202 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:25,202 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:25,202 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:25,202 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:25,202 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:25,202 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:25,203 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:25,203 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:25,203 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:25,203 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:25,203 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:25,203 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:25,203 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:25,203 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:25,204 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:25,204 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:25,204 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:25,204 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:25,204 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:25,204 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:25,204 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:25,204 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:25,205 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:25,205 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:25,205 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:25,205 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:25,205 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:25,205 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:25,206 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:25,206 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:25,206 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:25,206 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:25,206 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:25,206 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:25,207 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:25,207 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:25,207 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:25,207 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:25,207 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:25,207 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:25,207 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:25,207 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:25,207 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:25,208 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:25,208 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:25,208 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:25,208 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:25,208 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:25,208 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:25,209 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:25,209 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:25,209 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:25,209 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:25,209 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:25,209 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:25,210 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:25,210 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:25,210 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:25,210 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:25,210 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:25,210 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:25,210 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:25,210 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:25,211 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:25,211 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:25,211 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:25,211 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:25,211 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:25,212 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:25,212 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:25,212 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:25,212 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:25,212 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:25,212 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:25,214 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:25,214 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:25,214 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:25,214 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:25,214 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:25,214 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:25,215 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:25,215 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:25,215 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:25,215 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:25,216 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:25,216 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:25,216 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:25,216 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:25,217 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:25,217 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:25,217 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:25,217 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:25,217 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:25,217 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:25,218 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:25,218 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:25,219 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:25,219 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:25,219 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:25,219 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:25,219 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:25,219 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:25,219 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:25,220 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:25,221 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:25,221 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:25,221 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:25,221 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:25,221 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:25,221 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:25,222 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:25,223 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:25,223 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:25,223 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:25,223 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:25,223 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:25,224 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:25,224 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:25,224 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:25,224 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:25,225 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:25,225 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:25,226 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:25,226 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:25,226 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:25,226 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:25,227 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:25,227 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:25,228 INFO L253 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2020-10-16 06:02:25,228 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-16 06:02:25,228 INFO L378 AbstractCegarLoop]: Hoare is false [2020-10-16 06:02:25,228 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-16 06:02:25,228 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-16 06:02:25,228 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-16 06:02:25,228 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-16 06:02:25,229 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-16 06:02:25,229 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-16 06:02:25,231 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 167 places, 163 transitions, 390 flow [2020-10-16 06:02:25,250 INFO L129 PetriNetUnfolder]: 15/188 cut-off events. [2020-10-16 06:02:25,250 INFO L130 PetriNetUnfolder]: For 16/16 co-relation queries the response was YES. [2020-10-16 06:02:25,252 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 06:02:25,252 INFO L82 GeneralOperation]: Start removeDead. Operand has 167 places, 163 transitions, 390 flow [2020-10-16 06:02:25,253 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 133 places, 132 transitions, 299 flow [2020-10-16 06:02:25,253 INFO L129 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-10-16 06:02:25,254 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 133 places, 132 transitions, 299 flow [2020-10-16 06:02:25,254 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 133 places, 132 transitions, 299 flow [2020-10-16 06:02:25,254 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 133 places, 132 transitions, 299 flow [2020-10-16 06:02:25,272 INFO L129 PetriNetUnfolder]: 15/188 cut-off events. [2020-10-16 06:02:25,272 INFO L130 PetriNetUnfolder]: For 16/16 co-relation queries the response was YES. [2020-10-16 06:02:25,274 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 06:02:25,282 INFO L117 LiptonReduction]: Number of co-enabled transitions 8100 [2020-10-16 06:02:28,344 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 58 [2020-10-16 06:02:28,554 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-16 06:02:28,695 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-16 06:02:28,976 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2020-10-16 06:02:29,120 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2020-10-16 06:02:29,479 WARN L193 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 96 [2020-10-16 06:02:29,591 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2020-10-16 06:02:29,604 INFO L132 LiptonReduction]: Checked pairs total: 15232 [2020-10-16 06:02:29,604 INFO L134 LiptonReduction]: Total number of compositions: 127 [2020-10-16 06:02:29,604 INFO L182 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 4351 [2020-10-16 06:02:29,606 INFO L129 PetriNetUnfolder]: 0/3 cut-off events. [2020-10-16 06:02:29,606 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-16 06:02:29,606 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 06:02:29,606 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2020-10-16 06:02:29,606 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 06:02:29,607 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 06:02:29,607 INFO L82 PathProgramCache]: Analyzing trace with hash 1122017, now seen corresponding path program 1 times [2020-10-16 06:02:29,607 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 06:02:29,610 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [729987861] [2020-10-16 06:02:29,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 06:02:29,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 06:02:29,634 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 06:02:29,635 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [729987861] [2020-10-16 06:02:29,635 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 06:02:29,635 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-16 06:02:29,635 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1434408193] [2020-10-16 06:02:29,635 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-16 06:02:29,635 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 06:02:29,636 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-16 06:02:29,636 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 06:02:29,637 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 189 out of 290 [2020-10-16 06:02:29,638 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 44 places, 37 transitions, 109 flow. Second operand 3 states. [2020-10-16 06:02:29,638 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 06:02:29,638 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 189 of 290 [2020-10-16 06:02:29,638 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 06:02:30,485 INFO L129 PetriNetUnfolder]: 6379/9198 cut-off events. [2020-10-16 06:02:30,485 INFO L130 PetriNetUnfolder]: For 16/16 co-relation queries the response was YES. [2020-10-16 06:02:30,519 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 06:02:30,586 INFO L132 encePairwiseOnDemand]: 283/290 looper letters, 27 selfloop transitions, 5 changer transitions 0/51 dead transitions. [2020-10-16 06:02:30,586 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 46 places, 51 transitions, 201 flow [2020-10-16 06:02:30,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-16 06:02:30,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-10-16 06:02:30,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 602 transitions. [2020-10-16 06:02:30,589 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.6919540229885057 [2020-10-16 06:02:30,589 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 602 transitions. [2020-10-16 06:02:30,589 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 602 transitions. [2020-10-16 06:02:30,590 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 06:02:30,590 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 602 transitions. [2020-10-16 06:02:30,591 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 4 states. [2020-10-16 06:02:30,593 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 4 states. [2020-10-16 06:02:30,593 INFO L81 ComplementDD]: Finished complementDD. Result 4 states. [2020-10-16 06:02:30,593 INFO L185 Difference]: Start difference. First operand has 44 places, 37 transitions, 109 flow. Second operand 3 states and 602 transitions. [2020-10-16 06:02:30,593 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 46 places, 51 transitions, 201 flow [2020-10-16 06:02:30,594 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 06:02:30,595 INFO L241 Difference]: Finished difference. Result has 46 places, 40 transitions, 127 flow [2020-10-16 06:02:30,595 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 06:02:30,596 INFO L342 CegarLoopForPetriNet]: 44 programPoint places, 2 predicate places. [2020-10-16 06:02:30,596 INFO L481 AbstractCegarLoop]: Abstraction has has 46 places, 40 transitions, 127 flow [2020-10-16 06:02:30,596 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-16 06:02:30,596 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 06:02:30,596 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 06:02:30,596 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-16 06:02:30,596 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 06:02:30,597 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 06:02:30,597 INFO L82 PathProgramCache]: Analyzing trace with hash -1860053548, now seen corresponding path program 1 times [2020-10-16 06:02:30,597 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 06:02:30,597 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1819199868] [2020-10-16 06:02:30,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 06:02:30,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 06:02:30,634 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 06:02:30,634 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1819199868] [2020-10-16 06:02:30,634 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 06:02:30,635 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-16 06:02:30,635 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1628689355] [2020-10-16 06:02:30,635 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-16 06:02:30,635 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 06:02:30,636 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-16 06:02:30,636 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-16 06:02:30,637 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 184 out of 290 [2020-10-16 06:02:30,638 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 46 places, 40 transitions, 127 flow. Second operand 5 states. [2020-10-16 06:02:30,638 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 06:02:30,638 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 184 of 290 [2020-10-16 06:02:30,638 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 06:02:32,001 INFO L129 PetriNetUnfolder]: 9931/15687 cut-off events. [2020-10-16 06:02:32,001 INFO L130 PetriNetUnfolder]: For 1212/1212 co-relation queries the response was YES. [2020-10-16 06:02:32,048 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 06:02:32,118 INFO L132 encePairwiseOnDemand]: 282/290 looper letters, 59 selfloop transitions, 14 changer transitions 0/90 dead transitions. [2020-10-16 06:02:32,118 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 51 places, 90 transitions, 398 flow [2020-10-16 06:02:32,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-16 06:02:32,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-10-16 06:02:32,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1178 transitions. [2020-10-16 06:02:32,123 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.6770114942528735 [2020-10-16 06:02:32,123 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1178 transitions. [2020-10-16 06:02:32,123 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1178 transitions. [2020-10-16 06:02:32,124 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 06:02:32,124 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1178 transitions. [2020-10-16 06:02:32,126 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 7 states. [2020-10-16 06:02:32,129 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 7 states. [2020-10-16 06:02:32,129 INFO L81 ComplementDD]: Finished complementDD. Result 7 states. [2020-10-16 06:02:32,129 INFO L185 Difference]: Start difference. First operand has 46 places, 40 transitions, 127 flow. Second operand 6 states and 1178 transitions. [2020-10-16 06:02:32,129 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 51 places, 90 transitions, 398 flow [2020-10-16 06:02:32,136 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 06:02:32,138 INFO L241 Difference]: Finished difference. Result has 53 places, 49 transitions, 214 flow [2020-10-16 06:02:32,138 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 06:02:32,138 INFO L342 CegarLoopForPetriNet]: 44 programPoint places, 9 predicate places. [2020-10-16 06:02:32,138 INFO L481 AbstractCegarLoop]: Abstraction has has 53 places, 49 transitions, 214 flow [2020-10-16 06:02:32,139 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-16 06:02:32,139 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 06:02:32,139 INFO L255 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 06:02:32,139 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-16 06:02:32,139 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 06:02:32,139 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 06:02:32,140 INFO L82 PathProgramCache]: Analyzing trace with hash -1896011785, now seen corresponding path program 1 times [2020-10-16 06:02:32,140 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 06:02:32,140 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [62825656] [2020-10-16 06:02:32,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 06:02:32,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 06:02:32,183 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 06:02:32,184 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [62825656] [2020-10-16 06:02:32,184 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 06:02:32,184 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-16 06:02:32,184 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [702814568] [2020-10-16 06:02:32,185 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-16 06:02:32,185 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 06:02:32,185 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-16 06:02:32,185 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-16 06:02:32,187 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 182 out of 290 [2020-10-16 06:02:32,188 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 53 places, 49 transitions, 214 flow. Second operand 5 states. [2020-10-16 06:02:32,188 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 06:02:32,188 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 182 of 290 [2020-10-16 06:02:32,188 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 06:02:34,674 INFO L129 PetriNetUnfolder]: 13700/22135 cut-off events. [2020-10-16 06:02:34,674 INFO L130 PetriNetUnfolder]: For 11913/11913 co-relation queries the response was YES. [2020-10-16 06:02:34,761 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 06:02:34,873 INFO L132 encePairwiseOnDemand]: 283/290 looper letters, 69 selfloop transitions, 20 changer transitions 0/106 dead transitions. [2020-10-16 06:02:34,874 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 58 places, 106 transitions, 612 flow [2020-10-16 06:02:34,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-16 06:02:34,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-10-16 06:02:34,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1168 transitions. [2020-10-16 06:02:34,879 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.671264367816092 [2020-10-16 06:02:34,879 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1168 transitions. [2020-10-16 06:02:34,879 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1168 transitions. [2020-10-16 06:02:34,880 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 06:02:34,880 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1168 transitions. [2020-10-16 06:02:34,882 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 7 states. [2020-10-16 06:02:34,885 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 7 states. [2020-10-16 06:02:34,885 INFO L81 ComplementDD]: Finished complementDD. Result 7 states. [2020-10-16 06:02:34,885 INFO L185 Difference]: Start difference. First operand has 53 places, 49 transitions, 214 flow. Second operand 6 states and 1168 transitions. [2020-10-16 06:02:34,885 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 58 places, 106 transitions, 612 flow [2020-10-16 06:02:35,085 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 06:02:35,090 INFO L241 Difference]: Finished difference. Result has 59 places, 61 transitions, 346 flow [2020-10-16 06:02:35,091 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 06:02:35,091 INFO L342 CegarLoopForPetriNet]: 44 programPoint places, 15 predicate places. [2020-10-16 06:02:35,091 INFO L481 AbstractCegarLoop]: Abstraction has has 59 places, 61 transitions, 346 flow [2020-10-16 06:02:35,091 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-16 06:02:35,091 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 06:02:35,091 INFO L255 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 06:02:35,092 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-16 06:02:35,092 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 06:02:35,092 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 06:02:35,092 INFO L82 PathProgramCache]: Analyzing trace with hash -1772421434, now seen corresponding path program 1 times [2020-10-16 06:02:35,092 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 06:02:35,092 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1363184456] [2020-10-16 06:02:35,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 06:02:35,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 06:02:35,143 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 06:02:35,143 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1363184456] [2020-10-16 06:02:35,144 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 06:02:35,144 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-16 06:02:35,144 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [127886556] [2020-10-16 06:02:35,144 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-16 06:02:35,145 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 06:02:35,145 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-16 06:02:35,145 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 06:02:35,146 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 214 out of 290 [2020-10-16 06:02:35,147 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 59 places, 61 transitions, 346 flow. Second operand 3 states. [2020-10-16 06:02:35,147 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 06:02:35,147 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 214 of 290 [2020-10-16 06:02:35,147 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 06:02:35,236 INFO L129 PetriNetUnfolder]: 193/738 cut-off events. [2020-10-16 06:02:35,236 INFO L130 PetriNetUnfolder]: For 544/668 co-relation queries the response was YES. [2020-10-16 06:02:35,238 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 06:02:35,240 INFO L132 encePairwiseOnDemand]: 280/290 looper letters, 1 selfloop transitions, 10 changer transitions 0/57 dead transitions. [2020-10-16 06:02:35,241 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 61 places, 57 transitions, 326 flow [2020-10-16 06:02:35,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-16 06:02:35,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-10-16 06:02:35,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 657 transitions. [2020-10-16 06:02:35,243 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.7551724137931034 [2020-10-16 06:02:35,243 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 657 transitions. [2020-10-16 06:02:35,244 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 657 transitions. [2020-10-16 06:02:35,244 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 06:02:35,244 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 657 transitions. [2020-10-16 06:02:35,246 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 4 states. [2020-10-16 06:02:35,247 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 4 states. [2020-10-16 06:02:35,247 INFO L81 ComplementDD]: Finished complementDD. Result 4 states. [2020-10-16 06:02:35,247 INFO L185 Difference]: Start difference. First operand has 59 places, 61 transitions, 346 flow. Second operand 3 states and 657 transitions. [2020-10-16 06:02:35,247 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 61 places, 57 transitions, 326 flow [2020-10-16 06:02:35,253 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 06:02:35,254 INFO L241 Difference]: Finished difference. Result has 58 places, 57 transitions, 284 flow [2020-10-16 06:02:35,254 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 06:02:35,255 INFO L342 CegarLoopForPetriNet]: 44 programPoint places, 14 predicate places. [2020-10-16 06:02:35,255 INFO L481 AbstractCegarLoop]: Abstraction has has 58 places, 57 transitions, 284 flow [2020-10-16 06:02:35,255 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-16 06:02:35,255 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 06:02:35,255 INFO L255 CegarLoopForPetriNet]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 06:02:35,255 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-16 06:02:35,255 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 06:02:35,256 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 06:02:35,256 INFO L82 PathProgramCache]: Analyzing trace with hash 2050839116, now seen corresponding path program 1 times [2020-10-16 06:02:35,256 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 06:02:35,256 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1638204150] [2020-10-16 06:02:35,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 06:02:35,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 06:02:35,305 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 06:02:35,306 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1638204150] [2020-10-16 06:02:35,306 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 06:02:35,306 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-16 06:02:35,306 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1524937157] [2020-10-16 06:02:35,306 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-16 06:02:35,307 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 06:02:35,307 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-16 06:02:35,307 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-16 06:02:35,308 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 183 out of 290 [2020-10-16 06:02:35,309 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 58 places, 57 transitions, 284 flow. Second operand 5 states. [2020-10-16 06:02:35,309 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 06:02:35,309 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 183 of 290 [2020-10-16 06:02:35,309 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 06:02:36,231 INFO L129 PetriNetUnfolder]: 4990/10105 cut-off events. [2020-10-16 06:02:36,231 INFO L130 PetriNetUnfolder]: For 5258/5264 co-relation queries the response was YES. [2020-10-16 06:02:36,266 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 06:02:36,307 INFO L132 encePairwiseOnDemand]: 282/290 looper letters, 70 selfloop transitions, 26 changer transitions 0/113 dead transitions. [2020-10-16 06:02:36,308 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 63 places, 113 transitions, 722 flow [2020-10-16 06:02:36,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-16 06:02:36,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-10-16 06:02:36,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1172 transitions. [2020-10-16 06:02:36,312 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.6735632183908046 [2020-10-16 06:02:36,312 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1172 transitions. [2020-10-16 06:02:36,312 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1172 transitions. [2020-10-16 06:02:36,313 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 06:02:36,313 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1172 transitions. [2020-10-16 06:02:36,315 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 7 states. [2020-10-16 06:02:36,318 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 7 states. [2020-10-16 06:02:36,318 INFO L81 ComplementDD]: Finished complementDD. Result 7 states. [2020-10-16 06:02:36,318 INFO L185 Difference]: Start difference. First operand has 58 places, 57 transitions, 284 flow. Second operand 6 states and 1172 transitions. [2020-10-16 06:02:36,318 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 63 places, 113 transitions, 722 flow [2020-10-16 06:02:36,394 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 06:02:36,396 INFO L241 Difference]: Finished difference. Result has 64 places, 70 transitions, 440 flow [2020-10-16 06:02:36,397 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 06:02:36,397 INFO L342 CegarLoopForPetriNet]: 44 programPoint places, 20 predicate places. [2020-10-16 06:02:36,397 INFO L481 AbstractCegarLoop]: Abstraction has has 64 places, 70 transitions, 440 flow [2020-10-16 06:02:36,397 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-16 06:02:36,397 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 06:02:36,397 INFO L255 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 06:02:36,397 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-10-16 06:02:36,398 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 06:02:36,398 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 06:02:36,398 INFO L82 PathProgramCache]: Analyzing trace with hash -560773882, now seen corresponding path program 1 times [2020-10-16 06:02:36,398 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 06:02:36,398 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [577418896] [2020-10-16 06:02:36,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 06:02:36,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 06:02:36,457 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 06:02:36,458 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [577418896] [2020-10-16 06:02:36,458 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [687826790] [2020-10-16 06:02:36,458 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 06:02:36,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 06:02:36,541 INFO L263 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 7 conjunts are in the unsatisfiable core [2020-10-16 06:02:36,544 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-16 06:02:36,615 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 06:02:36,615 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-16 06:02:36,615 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 10 [2020-10-16 06:02:36,616 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [688844388] [2020-10-16 06:02:36,616 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-16 06:02:36,616 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 06:02:36,616 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-16 06:02:36,617 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2020-10-16 06:02:36,619 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 177 out of 290 [2020-10-16 06:02:36,620 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 64 places, 70 transitions, 440 flow. Second operand 12 states. [2020-10-16 06:02:36,620 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 06:02:36,621 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 177 of 290 [2020-10-16 06:02:36,621 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 06:02:37,926 INFO L129 PetriNetUnfolder]: 5514/10744 cut-off events. [2020-10-16 06:02:37,926 INFO L130 PetriNetUnfolder]: For 7674/7674 co-relation queries the response was YES. [2020-10-16 06:02:37,974 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 06:02:38,013 INFO L132 encePairwiseOnDemand]: 281/290 looper letters, 135 selfloop transitions, 40 changer transitions 0/190 dead transitions. [2020-10-16 06:02:38,013 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 76 places, 190 transitions, 1275 flow [2020-10-16 06:02:38,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-16 06:02:38,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2020-10-16 06:02:38,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 2459 transitions. [2020-10-16 06:02:38,021 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.6522546419098143 [2020-10-16 06:02:38,021 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 2459 transitions. [2020-10-16 06:02:38,021 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 2459 transitions. [2020-10-16 06:02:38,023 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 06:02:38,023 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 2459 transitions. [2020-10-16 06:02:38,028 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 14 states. [2020-10-16 06:02:38,034 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 14 states. [2020-10-16 06:02:38,034 INFO L81 ComplementDD]: Finished complementDD. Result 14 states. [2020-10-16 06:02:38,034 INFO L185 Difference]: Start difference. First operand has 64 places, 70 transitions, 440 flow. Second operand 13 states and 2459 transitions. [2020-10-16 06:02:38,034 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 76 places, 190 transitions, 1275 flow [2020-10-16 06:02:38,209 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 06:02:38,211 INFO L241 Difference]: Finished difference. Result has 77 places, 80 transitions, 574 flow [2020-10-16 06:02:38,211 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 06:02:38,211 INFO L342 CegarLoopForPetriNet]: 44 programPoint places, 33 predicate places. [2020-10-16 06:02:38,212 INFO L481 AbstractCegarLoop]: Abstraction has has 77 places, 80 transitions, 574 flow [2020-10-16 06:02:38,212 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-16 06:02:38,212 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 06:02:38,212 INFO L255 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 06:02:38,417 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2020-10-16 06:02:38,418 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 06:02:38,418 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 06:02:38,419 INFO L82 PathProgramCache]: Analyzing trace with hash -82463937, now seen corresponding path program 1 times [2020-10-16 06:02:38,419 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 06:02:38,420 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1352907093] [2020-10-16 06:02:38,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 06:02:38,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 06:02:38,491 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 06:02:38,492 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1352907093] [2020-10-16 06:02:38,492 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 06:02:38,492 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-16 06:02:38,492 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1245525559] [2020-10-16 06:02:38,492 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-16 06:02:38,493 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 06:02:38,493 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-16 06:02:38,493 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-16 06:02:38,496 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 177 out of 290 [2020-10-16 06:02:38,497 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 77 places, 80 transitions, 574 flow. Second operand 7 states. [2020-10-16 06:02:38,497 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 06:02:38,497 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 177 of 290 [2020-10-16 06:02:38,497 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 06:02:39,749 INFO L129 PetriNetUnfolder]: 5625/11123 cut-off events. [2020-10-16 06:02:39,750 INFO L130 PetriNetUnfolder]: For 11750/11750 co-relation queries the response was YES. [2020-10-16 06:02:39,798 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 06:02:39,827 INFO L132 encePairwiseOnDemand]: 281/290 looper letters, 136 selfloop transitions, 45 changer transitions 0/196 dead transitions. [2020-10-16 06:02:39,827 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 89 places, 196 transitions, 1408 flow [2020-10-16 06:02:39,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-16 06:02:39,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2020-10-16 06:02:39,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 2459 transitions. [2020-10-16 06:02:39,835 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.6522546419098143 [2020-10-16 06:02:39,835 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 2459 transitions. [2020-10-16 06:02:39,835 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 2459 transitions. [2020-10-16 06:02:39,837 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 06:02:39,837 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 2459 transitions. [2020-10-16 06:02:39,842 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 14 states. [2020-10-16 06:02:39,847 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 14 states. [2020-10-16 06:02:39,847 INFO L81 ComplementDD]: Finished complementDD. Result 14 states. [2020-10-16 06:02:39,847 INFO L185 Difference]: Start difference. First operand has 77 places, 80 transitions, 574 flow. Second operand 13 states and 2459 transitions. [2020-10-16 06:02:39,848 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 89 places, 196 transitions, 1408 flow [2020-10-16 06:02:40,109 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 06:02:40,112 INFO L241 Difference]: Finished difference. Result has 85 places, 88 transitions, 664 flow [2020-10-16 06:02:40,112 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 06:02:40,113 INFO L342 CegarLoopForPetriNet]: 44 programPoint places, 41 predicate places. [2020-10-16 06:02:40,113 INFO L481 AbstractCegarLoop]: Abstraction has has 85 places, 88 transitions, 664 flow [2020-10-16 06:02:40,113 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-16 06:02:40,113 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 06:02:40,113 INFO L255 CegarLoopForPetriNet]: trace histogram [5, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 06:02:40,113 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-10-16 06:02:40,113 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 06:02:40,114 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 06:02:40,114 INFO L82 PathProgramCache]: Analyzing trace with hash 1035270842, now seen corresponding path program 1 times [2020-10-16 06:02:40,114 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 06:02:40,114 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1283696873] [2020-10-16 06:02:40,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 06:02:40,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-16 06:02:40,125 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-16 06:02:40,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-16 06:02:40,135 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-16 06:02:40,142 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-16 06:02:40,142 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-16 06:02:40,143 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-10-16 06:02:40,143 WARN L264 etLargeBlockEncoding]: Failed to translate choice composition: Branch encoders not available. [2020-10-16 06:02:40,143 WARN L371 ceAbstractionStarter]: 4 thread instances were not sufficient, I will increase this number and restart the analysis [2020-10-16 06:02:40,144 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 5 thread instances. [2020-10-16 06:02:40,163 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:40,164 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:40,164 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:40,164 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:40,164 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:40,164 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of5ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:40,164 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:40,165 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of5ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:40,165 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:40,165 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:40,165 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:40,165 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:40,165 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:40,165 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:40,165 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:40,166 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of5ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:40,166 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of5ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:40,166 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:40,166 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:40,166 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:40,166 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:40,166 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:40,167 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:40,167 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:40,167 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:40,167 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:40,167 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of5ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:40,167 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:40,167 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of5ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:40,167 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:40,168 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:40,168 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:40,168 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:40,168 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:40,168 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:40,168 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:40,168 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of5ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:40,168 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of5ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:40,169 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:40,169 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:40,169 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:40,169 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:40,169 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:40,169 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:40,169 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:40,169 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:40,170 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:40,170 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of5ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:40,170 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:40,170 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of5ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:40,170 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:40,170 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:40,170 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:40,170 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:40,171 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:40,171 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:40,171 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:40,171 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of5ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:40,171 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of5ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:40,171 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:40,171 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:40,171 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:40,172 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:40,172 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:40,172 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:40,172 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:40,172 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:40,172 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:40,172 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of5ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:40,172 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:40,173 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of5ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:40,173 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:40,173 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:40,173 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:40,173 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:40,173 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:40,173 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:40,173 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:40,174 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of5ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:40,174 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of5ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:40,174 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:40,174 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:40,174 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:40,174 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:40,174 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:40,175 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:40,175 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:40,175 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:40,175 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:40,175 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of5ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:40,175 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:40,175 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of5ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:40,175 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:40,175 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:40,176 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:40,176 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:40,176 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:40,176 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:40,176 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:40,176 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of5ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:40,176 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of5ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:40,179 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:40,179 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:40,179 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:40,179 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:40,180 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:40,180 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:40,180 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:40,180 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:40,180 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:40,180 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:40,181 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:40,181 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:40,181 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:40,181 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:40,181 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:40,181 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:40,181 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:40,181 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:40,182 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:40,182 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:40,182 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:40,182 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:40,182 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:40,182 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:40,183 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:40,183 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:40,183 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:40,183 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:40,183 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:40,183 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:40,184 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:40,184 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:40,184 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:40,184 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:40,184 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:40,184 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:40,184 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:40,184 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:40,185 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:40,185 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:40,185 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:40,185 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:40,185 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:40,185 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:40,186 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:40,186 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:40,186 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:40,186 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:40,186 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:40,187 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:40,187 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:40,187 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:40,187 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:40,187 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:40,187 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of5ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:40,188 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:40,188 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:40,188 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:40,188 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of5ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:40,188 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:40,188 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:40,188 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:40,189 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:40,189 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:40,192 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:40,193 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:40,193 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:40,193 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of5ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:40,193 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of5ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:40,193 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:40,193 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:40,193 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:40,194 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:40,194 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:40,195 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:40,195 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of5ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:40,195 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:40,195 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:40,195 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:40,195 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:40,195 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of5ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:40,195 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:40,196 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:40,196 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:40,197 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:40,197 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:40,197 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:40,197 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of5ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:40,197 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:40,197 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of5ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:40,197 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:40,197 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:40,197 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:40,198 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:40,198 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:40,198 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:40,199 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:40,199 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:40,199 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of5ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:40,199 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:40,199 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of5ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:40,200 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:40,200 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:40,200 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:40,201 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:40,201 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:40,201 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:40,201 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:40,202 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:40,202 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:40,202 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:40,202 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:40,203 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:40,203 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:40,203 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:40,203 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:40,203 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:40,204 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:40,204 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:40,204 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:40,204 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:40,204 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:40,209 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:40,209 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:40,209 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:40,209 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:40,209 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:40,210 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:40,211 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:40,211 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:40,211 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:40,211 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:40,211 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:40,211 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:40,212 INFO L253 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2020-10-16 06:02:40,213 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-16 06:02:40,213 INFO L378 AbstractCegarLoop]: Hoare is false [2020-10-16 06:02:40,213 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-16 06:02:40,213 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-16 06:02:40,213 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-16 06:02:40,213 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-16 06:02:40,213 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-16 06:02:40,213 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-16 06:02:40,215 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 197 places, 192 transitions, 474 flow [2020-10-16 06:02:40,233 INFO L129 PetriNetUnfolder]: 18/222 cut-off events. [2020-10-16 06:02:40,233 INFO L130 PetriNetUnfolder]: For 30/30 co-relation queries the response was YES. [2020-10-16 06:02:40,235 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 06:02:40,235 INFO L82 GeneralOperation]: Start removeDead. Operand has 197 places, 192 transitions, 474 flow [2020-10-16 06:02:40,236 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 152 places, 151 transitions, 350 flow [2020-10-16 06:02:40,236 INFO L129 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-10-16 06:02:40,236 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 152 places, 151 transitions, 350 flow [2020-10-16 06:02:40,236 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 152 places, 151 transitions, 350 flow [2020-10-16 06:02:40,236 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 152 places, 151 transitions, 350 flow [2020-10-16 06:02:40,250 INFO L129 PetriNetUnfolder]: 18/222 cut-off events. [2020-10-16 06:02:40,251 INFO L130 PetriNetUnfolder]: For 30/30 co-relation queries the response was YES. [2020-10-16 06:02:40,252 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 06:02:40,261 INFO L117 LiptonReduction]: Number of co-enabled transitions 11754 [2020-10-16 06:02:42,775 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 53 [2020-10-16 06:02:44,055 WARN L193 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 104 [2020-10-16 06:02:44,273 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 92 [2020-10-16 06:02:44,285 INFO L132 LiptonReduction]: Checked pairs total: 20347 [2020-10-16 06:02:44,285 INFO L134 LiptonReduction]: Total number of compositions: 144 [2020-10-16 06:02:44,285 INFO L182 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 4049 [2020-10-16 06:02:44,286 INFO L129 PetriNetUnfolder]: 0/3 cut-off events. [2020-10-16 06:02:44,286 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-16 06:02:44,286 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 06:02:44,287 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2020-10-16 06:02:44,287 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 06:02:44,287 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 06:02:44,287 INFO L82 PathProgramCache]: Analyzing trace with hash 1483897, now seen corresponding path program 1 times [2020-10-16 06:02:44,287 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 06:02:44,287 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1919761426] [2020-10-16 06:02:44,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 06:02:44,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 06:02:44,318 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 06:02:44,318 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1919761426] [2020-10-16 06:02:44,318 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 06:02:44,318 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-16 06:02:44,319 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [745790543] [2020-10-16 06:02:44,319 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-16 06:02:44,319 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 06:02:44,319 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-16 06:02:44,319 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 06:02:44,321 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 228 out of 336 [2020-10-16 06:02:44,322 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 51 places, 44 transitions, 136 flow. Second operand 3 states. [2020-10-16 06:02:44,322 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 06:02:44,322 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 228 of 336 [2020-10-16 06:02:44,322 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 06:02:47,175 INFO L129 PetriNetUnfolder]: 30756/40583 cut-off events. [2020-10-16 06:02:47,175 INFO L130 PetriNetUnfolder]: For 30/30 co-relation queries the response was YES. [2020-10-16 06:02:47,310 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 06:02:47,436 INFO L132 encePairwiseOnDemand]: 327/336 looper letters, 32 selfloop transitions, 6 changer transitions 0/60 dead transitions. [2020-10-16 06:02:47,436 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 53 places, 60 transitions, 244 flow [2020-10-16 06:02:47,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-16 06:02:47,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-10-16 06:02:47,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 727 transitions. [2020-10-16 06:02:47,439 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.7212301587301587 [2020-10-16 06:02:47,439 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 727 transitions. [2020-10-16 06:02:47,439 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 727 transitions. [2020-10-16 06:02:47,440 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 06:02:47,440 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 727 transitions. [2020-10-16 06:02:47,442 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 4 states. [2020-10-16 06:02:47,443 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 4 states. [2020-10-16 06:02:47,443 INFO L81 ComplementDD]: Finished complementDD. Result 4 states. [2020-10-16 06:02:47,443 INFO L185 Difference]: Start difference. First operand has 51 places, 44 transitions, 136 flow. Second operand 3 states and 727 transitions. [2020-10-16 06:02:47,443 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 53 places, 60 transitions, 244 flow [2020-10-16 06:02:47,445 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 06:02:47,446 INFO L241 Difference]: Finished difference. Result has 53 places, 47 transitions, 151 flow [2020-10-16 06:02:47,446 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 06:02:47,446 INFO L342 CegarLoopForPetriNet]: 51 programPoint places, 2 predicate places. [2020-10-16 06:02:47,446 INFO L481 AbstractCegarLoop]: Abstraction has has 53 places, 47 transitions, 151 flow [2020-10-16 06:02:47,446 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-16 06:02:47,446 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 06:02:47,446 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 06:02:47,447 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-10-16 06:02:47,447 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 06:02:47,447 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 06:02:47,447 INFO L82 PathProgramCache]: Analyzing trace with hash 5774037, now seen corresponding path program 1 times [2020-10-16 06:02:47,447 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 06:02:47,448 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1072454720] [2020-10-16 06:02:47,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 06:02:47,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 06:02:47,490 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 06:02:47,491 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1072454720] [2020-10-16 06:02:47,491 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 06:02:47,491 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-16 06:02:47,491 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1476897970] [2020-10-16 06:02:47,492 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-16 06:02:47,492 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 06:02:47,493 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-16 06:02:47,493 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-16 06:02:47,495 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 223 out of 336 [2020-10-16 06:02:47,495 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 53 places, 47 transitions, 151 flow. Second operand 5 states. [2020-10-16 06:02:47,496 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 06:02:47,496 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 223 of 336 [2020-10-16 06:02:47,496 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 06:02:53,872 INFO L129 PetriNetUnfolder]: 56549/76549 cut-off events. [2020-10-16 06:02:53,872 INFO L130 PetriNetUnfolder]: For 5640/5640 co-relation queries the response was YES. [2020-10-16 06:02:54,148 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 06:02:54,434 INFO L132 encePairwiseOnDemand]: 328/336 looper letters, 73 selfloop transitions, 16 changer transitions 0/109 dead transitions. [2020-10-16 06:02:54,434 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 58 places, 109 transitions, 485 flow [2020-10-16 06:02:54,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-16 06:02:54,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-10-16 06:02:54,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1428 transitions. [2020-10-16 06:02:54,438 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.7083333333333334 [2020-10-16 06:02:54,438 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1428 transitions. [2020-10-16 06:02:54,438 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1428 transitions. [2020-10-16 06:02:54,439 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 06:02:54,439 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1428 transitions. [2020-10-16 06:02:54,441 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 7 states. [2020-10-16 06:02:54,444 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 7 states. [2020-10-16 06:02:54,445 INFO L81 ComplementDD]: Finished complementDD. Result 7 states. [2020-10-16 06:02:54,445 INFO L185 Difference]: Start difference. First operand has 53 places, 47 transitions, 151 flow. Second operand 6 states and 1428 transitions. [2020-10-16 06:02:54,445 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 58 places, 109 transitions, 485 flow [2020-10-16 06:02:54,474 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 06:02:54,476 INFO L241 Difference]: Finished difference. Result has 60 places, 57 transitions, 250 flow [2020-10-16 06:02:54,476 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 06:02:54,476 INFO L342 CegarLoopForPetriNet]: 51 programPoint places, 9 predicate places. [2020-10-16 06:02:54,476 INFO L481 AbstractCegarLoop]: Abstraction has has 60 places, 57 transitions, 250 flow [2020-10-16 06:02:54,476 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-16 06:02:54,476 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 06:02:54,476 INFO L255 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 06:02:54,477 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2020-10-16 06:02:54,477 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 06:02:54,477 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 06:02:54,477 INFO L82 PathProgramCache]: Analyzing trace with hash 1046866640, now seen corresponding path program 1 times [2020-10-16 06:02:54,477 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 06:02:54,477 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [667195895] [2020-10-16 06:02:54,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 06:02:54,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 06:02:54,528 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 06:02:54,529 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [667195895] [2020-10-16 06:02:54,529 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 06:02:54,529 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-16 06:02:54,529 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1782947906] [2020-10-16 06:02:54,529 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-16 06:02:54,530 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 06:02:54,530 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-16 06:02:54,530 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-16 06:02:54,532 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 220 out of 336 [2020-10-16 06:02:54,533 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 60 places, 57 transitions, 250 flow. Second operand 5 states. [2020-10-16 06:02:54,533 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 06:02:54,533 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 220 of 336 [2020-10-16 06:02:54,533 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 06:03:05,108 INFO L129 PetriNetUnfolder]: 84180/119472 cut-off events. [2020-10-16 06:03:05,108 INFO L130 PetriNetUnfolder]: For 57525/57525 co-relation queries the response was YES. [2020-10-16 06:03:05,614 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 06:03:06,054 INFO L132 encePairwiseOnDemand]: 327/336 looper letters, 81 selfloop transitions, 26 changer transitions 0/127 dead transitions. [2020-10-16 06:03:06,054 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 65 places, 127 transitions, 727 flow [2020-10-16 06:03:06,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-16 06:03:06,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-10-16 06:03:06,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1410 transitions. [2020-10-16 06:03:06,058 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.6994047619047619 [2020-10-16 06:03:06,059 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1410 transitions. [2020-10-16 06:03:06,059 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1410 transitions. [2020-10-16 06:03:06,060 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 06:03:06,060 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1410 transitions. [2020-10-16 06:03:06,062 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 7 states. [2020-10-16 06:03:06,065 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 7 states. [2020-10-16 06:03:06,065 INFO L81 ComplementDD]: Finished complementDD. Result 7 states. [2020-10-16 06:03:06,066 INFO L185 Difference]: Start difference. First operand has 60 places, 57 transitions, 250 flow. Second operand 6 states and 1410 transitions. [2020-10-16 06:03:06,066 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 65 places, 127 transitions, 727 flow [2020-10-16 06:03:08,791 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 06:03:08,793 INFO L241 Difference]: Finished difference. Result has 66 places, 73 transitions, 419 flow [2020-10-16 06:03:08,793 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 06:03:08,793 INFO L342 CegarLoopForPetriNet]: 51 programPoint places, 15 predicate places. [2020-10-16 06:03:08,793 INFO L481 AbstractCegarLoop]: Abstraction has has 66 places, 73 transitions, 419 flow [2020-10-16 06:03:08,793 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-16 06:03:08,794 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 06:03:08,794 INFO L255 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 06:03:08,794 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2020-10-16 06:03:08,794 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 06:03:08,794 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 06:03:08,794 INFO L82 PathProgramCache]: Analyzing trace with hash -1602843581, now seen corresponding path program 1 times [2020-10-16 06:03:08,794 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 06:03:08,795 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [629715792] [2020-10-16 06:03:08,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 06:03:08,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 06:03:08,829 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 06:03:08,829 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [629715792] [2020-10-16 06:03:08,829 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 06:03:08,829 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-16 06:03:08,830 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [756041093] [2020-10-16 06:03:08,830 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-16 06:03:08,830 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 06:03:08,830 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-16 06:03:08,831 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 06:03:08,832 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 241 out of 336 [2020-10-16 06:03:08,832 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 66 places, 73 transitions, 419 flow. Second operand 3 states. [2020-10-16 06:03:08,832 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 06:03:08,833 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 241 of 336 [2020-10-16 06:03:08,833 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 06:03:09,023 INFO L129 PetriNetUnfolder]: 642/1994 cut-off events. [2020-10-16 06:03:09,024 INFO L130 PetriNetUnfolder]: For 1650/2082 co-relation queries the response was YES. [2020-10-16 06:03:09,031 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 06:03:09,037 INFO L132 encePairwiseOnDemand]: 323/336 looper letters, 1 selfloop transitions, 13 changer transitions 0/69 dead transitions. [2020-10-16 06:03:09,037 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 68 places, 69 transitions, 405 flow [2020-10-16 06:03:09,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-16 06:03:09,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-10-16 06:03:09,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 742 transitions. [2020-10-16 06:03:09,039 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.7361111111111112 [2020-10-16 06:03:09,039 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 742 transitions. [2020-10-16 06:03:09,040 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 742 transitions. [2020-10-16 06:03:09,040 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 06:03:09,040 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 742 transitions. [2020-10-16 06:03:09,042 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 4 states. [2020-10-16 06:03:09,043 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 4 states. [2020-10-16 06:03:09,044 INFO L81 ComplementDD]: Finished complementDD. Result 4 states. [2020-10-16 06:03:09,044 INFO L185 Difference]: Start difference. First operand has 66 places, 73 transitions, 419 flow. Second operand 3 states and 742 transitions. [2020-10-16 06:03:09,044 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 68 places, 69 transitions, 405 flow [2020-10-16 06:03:09,056 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 06:03:09,058 INFO L241 Difference]: Finished difference. Result has 65 places, 69 transitions, 351 flow [2020-10-16 06:03:09,058 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 06:03:09,058 INFO L342 CegarLoopForPetriNet]: 51 programPoint places, 14 predicate places. [2020-10-16 06:03:09,058 INFO L481 AbstractCegarLoop]: Abstraction has has 65 places, 69 transitions, 351 flow [2020-10-16 06:03:09,058 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-16 06:03:09,058 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 06:03:09,058 INFO L255 CegarLoopForPetriNet]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 06:03:09,058 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2020-10-16 06:03:09,058 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 06:03:09,059 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 06:03:09,059 INFO L82 PathProgramCache]: Analyzing trace with hash 1558755022, now seen corresponding path program 1 times [2020-10-16 06:03:09,059 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 06:03:09,059 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1063073435] [2020-10-16 06:03:09,059 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 06:03:09,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 06:03:09,110 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 06:03:09,111 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1063073435] [2020-10-16 06:03:09,111 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 06:03:09,111 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-16 06:03:09,111 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1064804833] [2020-10-16 06:03:09,112 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-16 06:03:09,112 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 06:03:09,112 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-16 06:03:09,112 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-16 06:03:09,114 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 222 out of 336 [2020-10-16 06:03:09,114 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 65 places, 69 transitions, 351 flow. Second operand 5 states. [2020-10-16 06:03:09,115 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 06:03:09,115 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 222 of 336 [2020-10-16 06:03:09,115 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 06:03:12,479 INFO L129 PetriNetUnfolder]: 17273/31297 cut-off events. [2020-10-16 06:03:12,480 INFO L130 PetriNetUnfolder]: For 17564/17570 co-relation queries the response was YES. [2020-10-16 06:03:12,655 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 06:03:12,756 INFO L132 encePairwiseOnDemand]: 328/336 looper letters, 87 selfloop transitions, 34 changer transitions 0/141 dead transitions. [2020-10-16 06:03:12,756 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 70 places, 141 transitions, 911 flow [2020-10-16 06:03:12,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-16 06:03:12,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-10-16 06:03:12,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1421 transitions. [2020-10-16 06:03:12,758 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.7048611111111112 [2020-10-16 06:03:12,758 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1421 transitions. [2020-10-16 06:03:12,759 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1421 transitions. [2020-10-16 06:03:12,760 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 06:03:12,760 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1421 transitions. [2020-10-16 06:03:12,762 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 7 states. [2020-10-16 06:03:12,765 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 7 states. [2020-10-16 06:03:12,765 INFO L81 ComplementDD]: Finished complementDD. Result 7 states. [2020-10-16 06:03:12,765 INFO L185 Difference]: Start difference. First operand has 65 places, 69 transitions, 351 flow. Second operand 6 states and 1421 transitions. [2020-10-16 06:03:12,765 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 70 places, 141 transitions, 911 flow [2020-10-16 06:03:13,297 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 06:03:13,299 INFO L241 Difference]: Finished difference. Result has 71 places, 86 transitions, 558 flow [2020-10-16 06:03:13,299 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 06:03:13,299 INFO L342 CegarLoopForPetriNet]: 51 programPoint places, 20 predicate places. [2020-10-16 06:03:13,299 INFO L481 AbstractCegarLoop]: Abstraction has has 71 places, 86 transitions, 558 flow [2020-10-16 06:03:13,299 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-16 06:03:13,299 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 06:03:13,299 INFO L255 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 06:03:13,300 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2020-10-16 06:03:13,300 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 06:03:13,300 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 06:03:13,300 INFO L82 PathProgramCache]: Analyzing trace with hash -2068338250, now seen corresponding path program 1 times [2020-10-16 06:03:13,300 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 06:03:13,301 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1798256979] [2020-10-16 06:03:13,301 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 06:03:13,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 06:03:13,358 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 06:03:13,359 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1798256979] [2020-10-16 06:03:13,359 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [40598354] [2020-10-16 06:03:13,359 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 06:03:13,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 06:03:13,449 INFO L263 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 7 conjunts are in the unsatisfiable core [2020-10-16 06:03:13,450 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-16 06:03:13,517 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 06:03:13,517 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-16 06:03:13,518 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 10 [2020-10-16 06:03:13,518 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1935128709] [2020-10-16 06:03:13,519 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-16 06:03:13,519 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 06:03:13,519 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-16 06:03:13,520 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2020-10-16 06:03:13,522 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 215 out of 336 [2020-10-16 06:03:13,524 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 71 places, 86 transitions, 558 flow. Second operand 12 states. [2020-10-16 06:03:13,524 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 06:03:13,524 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 215 of 336 [2020-10-16 06:03:13,524 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 06:03:16,848 INFO L129 PetriNetUnfolder]: 18604/33841 cut-off events. [2020-10-16 06:03:16,848 INFO L130 PetriNetUnfolder]: For 27947/27947 co-relation queries the response was YES. [2020-10-16 06:03:17,037 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 06:03:17,142 INFO L132 encePairwiseOnDemand]: 326/336 looper letters, 166 selfloop transitions, 54 changer transitions 0/238 dead transitions. [2020-10-16 06:03:17,142 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 83 places, 238 transitions, 1600 flow [2020-10-16 06:03:17,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-16 06:03:17,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2020-10-16 06:03:17,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 2989 transitions. [2020-10-16 06:03:17,145 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.6842948717948718 [2020-10-16 06:03:17,146 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 2989 transitions. [2020-10-16 06:03:17,146 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 2989 transitions. [2020-10-16 06:03:17,147 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 06:03:17,147 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 2989 transitions. [2020-10-16 06:03:17,150 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 14 states. [2020-10-16 06:03:17,156 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 14 states. [2020-10-16 06:03:17,156 INFO L81 ComplementDD]: Finished complementDD. Result 14 states. [2020-10-16 06:03:17,156 INFO L185 Difference]: Start difference. First operand has 71 places, 86 transitions, 558 flow. Second operand 13 states and 2989 transitions. [2020-10-16 06:03:17,157 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 83 places, 238 transitions, 1600 flow [2020-10-16 06:03:18,590 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 06:03:18,593 INFO L241 Difference]: Finished difference. Result has 84 places, 100 transitions, 742 flow [2020-10-16 06:03:18,593 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 06:03:18,593 INFO L342 CegarLoopForPetriNet]: 51 programPoint places, 33 predicate places. [2020-10-16 06:03:18,593 INFO L481 AbstractCegarLoop]: Abstraction has has 84 places, 100 transitions, 742 flow [2020-10-16 06:03:18,593 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-16 06:03:18,594 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 06:03:18,594 INFO L255 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 06:03:18,807 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2020-10-16 06:03:18,808 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 06:03:18,808 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 06:03:18,808 INFO L82 PathProgramCache]: Analyzing trace with hash 1755707858, now seen corresponding path program 1 times [2020-10-16 06:03:18,809 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 06:03:18,809 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [783079523] [2020-10-16 06:03:18,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 06:03:18,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 06:03:18,873 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 06:03:18,874 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [783079523] [2020-10-16 06:03:18,874 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 06:03:18,874 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-16 06:03:18,874 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1137860606] [2020-10-16 06:03:18,874 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-16 06:03:18,874 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 06:03:18,875 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-16 06:03:18,875 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-16 06:03:18,877 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 215 out of 336 [2020-10-16 06:03:18,878 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 84 places, 100 transitions, 742 flow. Second operand 7 states. [2020-10-16 06:03:18,878 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 06:03:18,878 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 215 of 336 [2020-10-16 06:03:18,878 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 06:03:22,192 INFO L129 PetriNetUnfolder]: 19403/35470 cut-off events. [2020-10-16 06:03:22,192 INFO L130 PetriNetUnfolder]: For 43409/43409 co-relation queries the response was YES. [2020-10-16 06:03:22,407 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 06:03:22,521 INFO L132 encePairwiseOnDemand]: 326/336 looper letters, 170 selfloop transitions, 59 changer transitions 0/247 dead transitions. [2020-10-16 06:03:22,521 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 96 places, 247 transitions, 1781 flow [2020-10-16 06:03:22,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-16 06:03:22,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2020-10-16 06:03:22,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 2989 transitions. [2020-10-16 06:03:22,524 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.6842948717948718 [2020-10-16 06:03:22,524 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 2989 transitions. [2020-10-16 06:03:22,524 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 2989 transitions. [2020-10-16 06:03:22,525 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 06:03:22,525 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 2989 transitions. [2020-10-16 06:03:22,528 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 14 states. [2020-10-16 06:03:22,534 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 14 states. [2020-10-16 06:03:22,534 INFO L81 ComplementDD]: Finished complementDD. Result 14 states. [2020-10-16 06:03:22,534 INFO L185 Difference]: Start difference. First operand has 84 places, 100 transitions, 742 flow. Second operand 13 states and 2989 transitions. [2020-10-16 06:03:22,534 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 96 places, 247 transitions, 1781 flow [2020-10-16 06:03:24,434 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 06:03:24,437 INFO L241 Difference]: Finished difference. Result has 92 places, 110 transitions, 855 flow [2020-10-16 06:03:24,437 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 06:03:24,437 INFO L342 CegarLoopForPetriNet]: 51 programPoint places, 41 predicate places. [2020-10-16 06:03:24,437 INFO L481 AbstractCegarLoop]: Abstraction has has 92 places, 110 transitions, 855 flow [2020-10-16 06:03:24,437 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-16 06:03:24,437 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 06:03:24,438 INFO L255 CegarLoopForPetriNet]: trace histogram [4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 06:03:24,438 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2020-10-16 06:03:24,438 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 06:03:24,438 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 06:03:24,438 INFO L82 PathProgramCache]: Analyzing trace with hash -436163355, now seen corresponding path program 1 times [2020-10-16 06:03:24,438 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 06:03:24,438 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [258450372] [2020-10-16 06:03:24,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 06:03:24,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 06:03:24,506 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 06:03:24,506 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [258450372] [2020-10-16 06:03:24,506 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 06:03:24,507 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-16 06:03:24,507 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1941826461] [2020-10-16 06:03:24,507 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-16 06:03:24,507 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 06:03:24,508 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-16 06:03:24,508 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-16 06:03:24,509 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 223 out of 336 [2020-10-16 06:03:24,510 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 92 places, 110 transitions, 855 flow. Second operand 5 states. [2020-10-16 06:03:24,510 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 06:03:24,510 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 223 of 336 [2020-10-16 06:03:24,510 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 06:03:29,363 INFO L129 PetriNetUnfolder]: 26367/48419 cut-off events. [2020-10-16 06:03:29,364 INFO L130 PetriNetUnfolder]: For 90656/90690 co-relation queries the response was YES. [2020-10-16 06:03:29,613 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 06:03:29,741 INFO L132 encePairwiseOnDemand]: 328/336 looper letters, 136 selfloop transitions, 54 changer transitions 0/210 dead transitions. [2020-10-16 06:03:29,741 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 97 places, 210 transitions, 1939 flow [2020-10-16 06:03:29,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-16 06:03:29,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-10-16 06:03:29,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1427 transitions. [2020-10-16 06:03:29,743 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.7078373015873016 [2020-10-16 06:03:29,743 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1427 transitions. [2020-10-16 06:03:29,743 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1427 transitions. [2020-10-16 06:03:29,743 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 06:03:29,743 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1427 transitions. [2020-10-16 06:03:29,744 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 7 states. [2020-10-16 06:03:29,746 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 7 states. [2020-10-16 06:03:29,746 INFO L81 ComplementDD]: Finished complementDD. Result 7 states. [2020-10-16 06:03:29,746 INFO L185 Difference]: Start difference. First operand has 92 places, 110 transitions, 855 flow. Second operand 6 states and 1427 transitions. [2020-10-16 06:03:29,746 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 97 places, 210 transitions, 1939 flow [2020-10-16 06:03:32,630 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 06:03:32,632 INFO L241 Difference]: Finished difference. Result has 93 places, 135 transitions, 1174 flow [2020-10-16 06:03:32,633 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 06:03:32,633 INFO L342 CegarLoopForPetriNet]: 51 programPoint places, 42 predicate places. [2020-10-16 06:03:32,633 INFO L481 AbstractCegarLoop]: Abstraction has has 93 places, 135 transitions, 1174 flow [2020-10-16 06:03:32,633 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-16 06:03:32,633 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 06:03:32,633 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 06:03:32,633 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2020-10-16 06:03:32,633 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 06:03:32,634 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 06:03:32,634 INFO L82 PathProgramCache]: Analyzing trace with hash 1302225456, now seen corresponding path program 1 times [2020-10-16 06:03:32,634 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 06:03:32,634 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [495693542] [2020-10-16 06:03:32,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 06:03:32,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 06:03:32,703 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 06:03:32,704 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [495693542] [2020-10-16 06:03:32,704 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1835155584] [2020-10-16 06:03:32,704 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 06:03:32,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 06:03:32,795 INFO L263 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 7 conjunts are in the unsatisfiable core [2020-10-16 06:03:32,795 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-16 06:03:32,867 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 06:03:32,867 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-16 06:03:32,867 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 10 [2020-10-16 06:03:32,867 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [14245167] [2020-10-16 06:03:32,868 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-16 06:03:32,868 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 06:03:32,868 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-16 06:03:32,868 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2020-10-16 06:03:32,870 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 217 out of 336 [2020-10-16 06:03:32,872 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 93 places, 135 transitions, 1174 flow. Second operand 12 states. [2020-10-16 06:03:32,872 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 06:03:32,872 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 217 of 336 [2020-10-16 06:03:32,872 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 06:03:40,191 INFO L129 PetriNetUnfolder]: 28677/52017 cut-off events. [2020-10-16 06:03:40,191 INFO L130 PetriNetUnfolder]: For 106851/106857 co-relation queries the response was YES. [2020-10-16 06:03:40,560 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 06:03:40,720 INFO L132 encePairwiseOnDemand]: 327/336 looper letters, 200 selfloop transitions, 83 changer transitions 0/301 dead transitions. [2020-10-16 06:03:40,720 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 105 places, 301 transitions, 2639 flow [2020-10-16 06:03:40,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-16 06:03:40,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2020-10-16 06:03:40,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 3017 transitions. [2020-10-16 06:03:40,723 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.6907051282051282 [2020-10-16 06:03:40,723 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 3017 transitions. [2020-10-16 06:03:40,723 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 3017 transitions. [2020-10-16 06:03:40,724 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 06:03:40,724 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 3017 transitions. [2020-10-16 06:03:40,726 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 14 states. [2020-10-16 06:03:40,730 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 14 states. [2020-10-16 06:03:40,730 INFO L81 ComplementDD]: Finished complementDD. Result 14 states. [2020-10-16 06:03:40,730 INFO L185 Difference]: Start difference. First operand has 93 places, 135 transitions, 1174 flow. Second operand 13 states and 3017 transitions. [2020-10-16 06:03:40,730 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 105 places, 301 transitions, 2639 flow [2020-10-16 06:03:46,335 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 06:03:46,338 INFO L241 Difference]: Finished difference. Result has 106 places, 152 transitions, 1455 flow [2020-10-16 06:03:46,338 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 06:03:46,339 INFO L342 CegarLoopForPetriNet]: 51 programPoint places, 55 predicate places. [2020-10-16 06:03:46,339 INFO L481 AbstractCegarLoop]: Abstraction has has 106 places, 152 transitions, 1455 flow [2020-10-16 06:03:46,339 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-16 06:03:46,339 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 06:03:46,339 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 06:03:46,545 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2020-10-16 06:03:46,546 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 06:03:46,546 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 06:03:46,546 INFO L82 PathProgramCache]: Analyzing trace with hash -912267010, now seen corresponding path program 1 times [2020-10-16 06:03:46,547 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 06:03:46,547 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [639088093] [2020-10-16 06:03:46,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 06:03:46,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 06:03:46,605 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 06:03:46,605 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [639088093] [2020-10-16 06:03:46,606 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [365052718] [2020-10-16 06:03:46,606 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 06:03:46,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 06:03:46,712 INFO L263 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 7 conjunts are in the unsatisfiable core [2020-10-16 06:03:46,720 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-16 06:03:46,798 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 06:03:46,798 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-16 06:03:46,799 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 10 [2020-10-16 06:03:46,799 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2048946792] [2020-10-16 06:03:46,799 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-16 06:03:46,799 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 06:03:46,800 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-16 06:03:46,800 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2020-10-16 06:03:46,802 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 214 out of 336 [2020-10-16 06:03:46,804 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 106 places, 152 transitions, 1455 flow. Second operand 12 states. [2020-10-16 06:03:46,804 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 06:03:46,804 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 214 of 336 [2020-10-16 06:03:46,804 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 06:03:52,477 INFO L129 PetriNetUnfolder]: 29609/54524 cut-off events. [2020-10-16 06:03:52,477 INFO L130 PetriNetUnfolder]: For 138698/138698 co-relation queries the response was YES. [2020-10-16 06:03:52,891 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 06:03:53,066 INFO L132 encePairwiseOnDemand]: 326/336 looper letters, 215 selfloop transitions, 94 changer transitions 0/327 dead transitions. [2020-10-16 06:03:53,067 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 118 places, 327 transitions, 3018 flow [2020-10-16 06:03:53,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-16 06:03:53,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2020-10-16 06:03:53,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 2979 transitions. [2020-10-16 06:03:53,070 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.6820054945054945 [2020-10-16 06:03:53,070 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 2979 transitions. [2020-10-16 06:03:53,070 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 2979 transitions. [2020-10-16 06:03:53,071 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 06:03:53,071 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 2979 transitions. [2020-10-16 06:03:53,074 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 14 states. [2020-10-16 06:03:53,079 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 14 states. [2020-10-16 06:03:53,079 INFO L81 ComplementDD]: Finished complementDD. Result 14 states. [2020-10-16 06:03:53,079 INFO L185 Difference]: Start difference. First operand has 106 places, 152 transitions, 1455 flow. Second operand 13 states and 2979 transitions. [2020-10-16 06:03:53,079 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 118 places, 327 transitions, 3018 flow [2020-10-16 06:04:00,453 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 06:04:00,456 INFO L241 Difference]: Finished difference. Result has 117 places, 174 transitions, 1766 flow [2020-10-16 06:04:00,457 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 06:04:00,457 INFO L342 CegarLoopForPetriNet]: 51 programPoint places, 66 predicate places. [2020-10-16 06:04:00,457 INFO L481 AbstractCegarLoop]: Abstraction has has 117 places, 174 transitions, 1766 flow [2020-10-16 06:04:00,457 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-16 06:04:00,457 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 06:04:00,457 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 06:04:00,657 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2020-10-16 06:04:00,658 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 06:04:00,658 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 06:04:00,659 INFO L82 PathProgramCache]: Analyzing trace with hash -1177705100, now seen corresponding path program 1 times [2020-10-16 06:04:00,659 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 06:04:00,659 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [380127540] [2020-10-16 06:04:00,659 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 06:04:00,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 06:04:00,717 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 06:04:00,718 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [380127540] [2020-10-16 06:04:00,718 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 06:04:00,718 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-16 06:04:00,718 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1456796078] [2020-10-16 06:04:00,718 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-16 06:04:00,719 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 06:04:00,719 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-16 06:04:00,719 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-16 06:04:00,721 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 217 out of 336 [2020-10-16 06:04:00,722 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 117 places, 174 transitions, 1766 flow. Second operand 7 states. [2020-10-16 06:04:00,722 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 06:04:00,722 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 217 of 336 [2020-10-16 06:04:00,722 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 06:04:06,413 INFO L129 PetriNetUnfolder]: 30879/56597 cut-off events. [2020-10-16 06:04:06,413 INFO L130 PetriNetUnfolder]: For 175952/175958 co-relation queries the response was YES. [2020-10-16 06:04:06,897 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 06:04:07,090 INFO L132 encePairwiseOnDemand]: 327/336 looper letters, 219 selfloop transitions, 102 changer transitions 0/339 dead transitions. [2020-10-16 06:04:07,090 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 129 places, 339 transitions, 3377 flow [2020-10-16 06:04:07,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-16 06:04:07,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2020-10-16 06:04:07,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 3017 transitions. [2020-10-16 06:04:07,093 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.6907051282051282 [2020-10-16 06:04:07,093 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 3017 transitions. [2020-10-16 06:04:07,093 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 3017 transitions. [2020-10-16 06:04:07,094 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 06:04:07,094 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 3017 transitions. [2020-10-16 06:04:07,097 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 14 states. [2020-10-16 06:04:07,102 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 14 states. [2020-10-16 06:04:07,102 INFO L81 ComplementDD]: Finished complementDD. Result 14 states. [2020-10-16 06:04:07,102 INFO L185 Difference]: Start difference. First operand has 117 places, 174 transitions, 1766 flow. Second operand 13 states and 3017 transitions. [2020-10-16 06:04:07,102 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 129 places, 339 transitions, 3377 flow [2020-10-16 06:04:18,399 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 06:04:18,403 INFO L241 Difference]: Finished difference. Result has 130 places, 190 transitions, 2143 flow [2020-10-16 06:04:18,403 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 06:04:18,403 INFO L342 CegarLoopForPetriNet]: 51 programPoint places, 79 predicate places. [2020-10-16 06:04:18,403 INFO L481 AbstractCegarLoop]: Abstraction has has 130 places, 190 transitions, 2143 flow [2020-10-16 06:04:18,404 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-16 06:04:18,404 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 06:04:18,404 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 06:04:18,404 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2020-10-16 06:04:18,404 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 06:04:18,404 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 06:04:18,404 INFO L82 PathProgramCache]: Analyzing trace with hash -1177431804, now seen corresponding path program 1 times [2020-10-16 06:04:18,404 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 06:04:18,405 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [777586971] [2020-10-16 06:04:18,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 06:04:18,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 06:04:18,455 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 06:04:18,456 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [777586971] [2020-10-16 06:04:18,456 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 06:04:18,456 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-16 06:04:18,456 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1828391247] [2020-10-16 06:04:18,457 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-16 06:04:18,457 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 06:04:18,457 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-16 06:04:18,457 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-16 06:04:18,459 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 214 out of 336 [2020-10-16 06:04:18,460 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 130 places, 190 transitions, 2143 flow. Second operand 7 states. [2020-10-16 06:04:18,460 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 06:04:18,460 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 214 of 336 [2020-10-16 06:04:18,460 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 06:04:28,348 INFO L129 PetriNetUnfolder]: 31757/59260 cut-off events. [2020-10-16 06:04:28,349 INFO L130 PetriNetUnfolder]: For 226865/226865 co-relation queries the response was YES. [2020-10-16 06:04:28,790 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 06:04:28,965 INFO L132 encePairwiseOnDemand]: 326/336 looper letters, 223 selfloop transitions, 114 changer transitions 0/355 dead transitions. [2020-10-16 06:04:28,965 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 142 places, 355 transitions, 3793 flow [2020-10-16 06:04:28,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-16 06:04:28,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2020-10-16 06:04:28,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 2979 transitions. [2020-10-16 06:04:28,968 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.6820054945054945 [2020-10-16 06:04:28,968 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 2979 transitions. [2020-10-16 06:04:28,968 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 2979 transitions. [2020-10-16 06:04:28,968 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 06:04:28,969 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 2979 transitions. [2020-10-16 06:04:28,970 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 14 states. [2020-10-16 06:04:28,973 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 14 states. [2020-10-16 06:04:28,973 INFO L81 ComplementDD]: Finished complementDD. Result 14 states. [2020-10-16 06:04:28,973 INFO L185 Difference]: Start difference. First operand has 130 places, 190 transitions, 2143 flow. Second operand 13 states and 2979 transitions. [2020-10-16 06:04:28,973 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 142 places, 355 transitions, 3793 flow [2020-10-16 06:04:40,227 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 06:04:40,231 INFO L241 Difference]: Finished difference. Result has 138 places, 209 transitions, 2492 flow [2020-10-16 06:04:40,231 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 06:04:40,231 INFO L342 CegarLoopForPetriNet]: 51 programPoint places, 87 predicate places. [2020-10-16 06:04:40,231 INFO L481 AbstractCegarLoop]: Abstraction has has 138 places, 209 transitions, 2492 flow [2020-10-16 06:04:40,231 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-16 06:04:40,232 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 06:04:40,232 INFO L255 CegarLoopForPetriNet]: trace histogram [6, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 06:04:40,232 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2020-10-16 06:04:40,232 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 06:04:40,232 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 06:04:40,232 INFO L82 PathProgramCache]: Analyzing trace with hash -2118368727, now seen corresponding path program 1 times [2020-10-16 06:04:40,232 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 06:04:40,232 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1145096366] [2020-10-16 06:04:40,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 06:04:40,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-16 06:04:40,243 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-16 06:04:40,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-16 06:04:40,252 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-16 06:04:40,261 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-16 06:04:40,261 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-16 06:04:40,261 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2020-10-16 06:04:40,261 WARN L264 etLargeBlockEncoding]: Failed to translate choice composition: Branch encoders not available. [2020-10-16 06:04:40,262 WARN L371 ceAbstractionStarter]: 5 thread instances were not sufficient, I will increase this number and restart the analysis [2020-10-16 06:04:40,263 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 6 thread instances. [2020-10-16 06:04:40,279 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:40,280 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:40,280 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:40,280 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:40,280 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:40,280 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of6ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:40,280 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:40,280 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of6ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:40,281 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:40,281 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:40,281 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:40,281 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:40,281 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:40,281 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:40,281 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:40,282 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of6ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:40,282 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of6ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:40,282 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:40,282 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:40,282 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:40,282 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:40,283 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread6of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:40,283 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread6of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:40,283 WARN L313 ript$VariableManager]: TermVariabe thr2Thread6of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:40,283 WARN L313 ript$VariableManager]: TermVariabe thr2Thread6of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:40,283 WARN L313 ript$VariableManager]: TermVariabe thr2Thread6of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:40,283 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread6of6ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:40,283 WARN L313 ript$VariableManager]: TermVariabe thr2Thread6of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:40,283 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread6of6ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:40,283 WARN L313 ript$VariableManager]: TermVariabe thr2Thread6of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:40,284 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread6of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:40,284 WARN L313 ript$VariableManager]: TermVariabe thr2Thread6of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:40,284 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread6of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:40,284 WARN L313 ript$VariableManager]: TermVariabe thr2Thread6of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:40,284 WARN L313 ript$VariableManager]: TermVariabe thr2Thread6of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:40,284 WARN L313 ript$VariableManager]: TermVariabe thr2Thread6of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:40,284 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread6of6ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:40,284 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread6of6ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:40,285 WARN L313 ript$VariableManager]: TermVariabe thr2Thread6of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:40,285 WARN L313 ript$VariableManager]: TermVariabe thr2Thread6of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:40,285 WARN L313 ript$VariableManager]: TermVariabe thr2Thread6of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:40,285 WARN L313 ript$VariableManager]: TermVariabe thr2Thread6of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:40,285 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:40,285 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:40,285 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:40,285 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:40,286 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:40,286 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of6ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:40,286 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:40,286 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of6ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:40,286 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:40,286 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:40,286 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:40,286 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:40,287 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:40,287 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:40,287 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:40,287 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of6ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:40,287 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of6ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:40,287 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:40,287 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:40,288 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:40,288 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:40,288 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:40,288 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:40,288 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:40,288 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:40,288 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:40,289 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of6ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:40,289 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:40,289 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of6ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:40,289 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:40,289 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:40,289 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:40,289 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:40,289 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:40,290 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:40,290 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:40,290 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of6ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:40,290 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of6ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:40,290 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:40,290 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:40,290 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:40,290 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:40,291 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:40,291 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:40,291 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:40,291 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:40,291 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:40,291 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of6ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:40,291 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:40,292 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of6ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:40,292 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:40,292 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:40,292 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:40,292 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:40,292 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:40,292 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:40,292 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:40,293 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of6ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:40,293 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of6ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:40,293 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:40,293 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:40,293 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:40,293 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:40,293 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:40,294 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:40,294 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:40,294 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:40,294 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:40,294 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of6ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:40,294 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:40,294 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of6ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:40,294 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:40,295 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:40,295 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:40,295 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:40,295 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:40,295 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:40,295 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:40,295 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of6ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:40,295 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of6ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:40,296 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:40,296 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:40,296 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:40,296 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:40,296 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:40,296 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:40,296 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of6ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:40,296 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of6ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:40,297 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:40,297 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:40,297 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:40,297 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:40,297 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:40,297 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:40,297 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:40,298 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:40,298 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of6ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:40,298 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of6ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:40,298 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:40,298 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:40,298 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:40,298 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:40,298 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:40,298 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:40,299 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:40,299 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:40,299 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of6ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:40,299 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of6ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:40,299 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:40,299 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:40,300 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:40,300 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:40,300 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:40,300 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:40,300 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:40,300 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:40,301 WARN L313 ript$VariableManager]: TermVariabe thr1Thread6of6ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:40,301 WARN L313 ript$VariableManager]: TermVariabe thr1Thread6of6ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:40,301 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:40,301 WARN L313 ript$VariableManager]: TermVariabe thr1Thread6of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:40,301 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:40,301 WARN L313 ript$VariableManager]: TermVariabe thr1Thread6of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:40,301 WARN L313 ript$VariableManager]: TermVariabe thr1Thread6of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:40,302 WARN L313 ript$VariableManager]: TermVariabe thr1Thread6of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:40,302 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:40,302 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:40,302 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of6ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:40,302 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of6ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:40,302 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:40,302 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:40,302 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:40,303 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:40,303 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:40,303 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:40,303 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:40,303 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:40,303 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of6ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:40,303 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of6ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:40,303 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:40,304 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:40,304 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:40,304 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:40,304 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:40,304 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:40,304 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of6ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:40,305 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:40,305 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of6ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:40,305 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:40,305 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:40,305 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:40,305 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:40,305 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:40,306 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:40,306 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:40,311 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:40,312 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:40,312 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:40,312 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of6ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:40,312 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of6ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:40,312 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:40,312 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:40,313 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:40,313 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:40,313 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:40,319 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:40,320 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:40,320 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:40,320 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:40,320 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:40,320 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of6ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:40,320 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of6ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:40,320 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:40,321 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:40,321 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:40,322 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:40,323 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:40,323 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:40,323 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:40,323 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:40,323 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of6ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:40,323 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:40,323 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:40,323 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of6ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:40,324 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:40,325 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:40,325 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of6ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:40,325 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:40,325 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:40,326 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of6ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:40,326 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:40,326 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:40,326 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:40,326 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:40,326 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:40,328 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread6of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:40,328 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread6of6ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:40,328 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread6of6ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:40,328 WARN L313 ript$VariableManager]: TermVariabe thr2Thread6of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:40,328 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread6of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:40,328 WARN L313 ript$VariableManager]: TermVariabe thr2Thread6of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:40,329 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread6of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:40,329 WARN L313 ript$VariableManager]: TermVariabe thr2Thread6of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:40,329 WARN L313 ript$VariableManager]: TermVariabe thr2Thread6of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:40,329 WARN L313 ript$VariableManager]: TermVariabe thr2Thread6of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:40,330 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:40,330 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:40,331 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:40,331 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of6ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:40,331 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:40,331 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of6ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:40,332 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of6ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:40,332 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:40,332 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of6ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:40,333 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:40,333 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:40,333 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:40,334 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of6ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:40,334 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of6ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:40,334 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:40,334 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:40,335 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:40,335 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:40,336 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:40,336 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of6ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:40,336 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:40,336 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of6ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:40,336 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:40,336 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:40,337 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:40,338 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:40,338 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:40,338 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of6ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:40,338 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of6ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:40,338 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:40,339 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:40,340 WARN L313 ript$VariableManager]: TermVariabe thr1Thread6of6ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:40,340 WARN L313 ript$VariableManager]: TermVariabe thr1Thread6of6ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:40,340 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:40,340 WARN L313 ript$VariableManager]: TermVariabe thr1Thread6of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:40,340 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:40,341 INFO L253 AbstractCegarLoop]: Starting to check reachability of 9 error locations. [2020-10-16 06:04:40,341 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-16 06:04:40,342 INFO L378 AbstractCegarLoop]: Hoare is false [2020-10-16 06:04:40,342 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-16 06:04:40,342 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-16 06:04:40,342 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-16 06:04:40,342 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-16 06:04:40,342 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-16 06:04:40,342 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-16 06:04:40,344 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 227 places, 221 transitions, 562 flow [2020-10-16 06:04:40,372 INFO L129 PetriNetUnfolder]: 21/256 cut-off events. [2020-10-16 06:04:40,372 INFO L130 PetriNetUnfolder]: For 50/50 co-relation queries the response was YES. [2020-10-16 06:04:40,376 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 06:04:40,376 INFO L82 GeneralOperation]: Start removeDead. Operand has 227 places, 221 transitions, 562 flow [2020-10-16 06:04:40,378 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 171 places, 170 transitions, 403 flow [2020-10-16 06:04:40,378 INFO L129 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-10-16 06:04:40,378 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 171 places, 170 transitions, 403 flow [2020-10-16 06:04:40,378 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 171 places, 170 transitions, 403 flow [2020-10-16 06:04:40,379 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 171 places, 170 transitions, 403 flow [2020-10-16 06:04:40,403 INFO L129 PetriNetUnfolder]: 21/256 cut-off events. [2020-10-16 06:04:40,403 INFO L130 PetriNetUnfolder]: For 50/50 co-relation queries the response was YES. [2020-10-16 06:04:40,406 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 06:04:40,423 INFO L117 LiptonReduction]: Number of co-enabled transitions 16092 [2020-10-16 06:04:44,089 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 77 [2020-10-16 06:04:44,601 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 58 [2020-10-16 06:04:45,113 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 100 [2020-10-16 06:04:45,230 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2020-10-16 06:04:45,269 INFO L132 LiptonReduction]: Checked pairs total: 27133 [2020-10-16 06:04:45,269 INFO L134 LiptonReduction]: Total number of compositions: 161 [2020-10-16 06:04:45,269 INFO L182 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 4891 [2020-10-16 06:04:45,270 INFO L129 PetriNetUnfolder]: 0/3 cut-off events. [2020-10-16 06:04:45,270 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-16 06:04:45,270 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 06:04:45,270 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2020-10-16 06:04:45,270 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 06:04:45,271 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 06:04:45,271 INFO L82 PathProgramCache]: Analyzing trace with hash 1891446, now seen corresponding path program 1 times [2020-10-16 06:04:45,271 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 06:04:45,271 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [838892997] [2020-10-16 06:04:45,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 06:04:45,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 06:04:45,296 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 06:04:45,296 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [838892997] [2020-10-16 06:04:45,296 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 06:04:45,297 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-16 06:04:45,297 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1076439257] [2020-10-16 06:04:45,297 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-16 06:04:45,297 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 06:04:45,297 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-16 06:04:45,298 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 06:04:45,299 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 254 out of 382 [2020-10-16 06:04:45,300 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 58 places, 51 transitions, 165 flow. Second operand 3 states. [2020-10-16 06:04:45,300 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 06:04:45,300 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 254 of 382 [2020-10-16 06:04:45,300 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 06:05:03,732 INFO L129 PetriNetUnfolder]: 138263/172004 cut-off events. [2020-10-16 06:05:03,732 INFO L130 PetriNetUnfolder]: For 50/50 co-relation queries the response was YES. [2020-10-16 06:05:04,573 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 06:05:05,266 INFO L132 encePairwiseOnDemand]: 371/382 looper letters, 37 selfloop transitions, 7 changer transitions 0/69 dead transitions. [2020-10-16 06:05:05,266 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 60 places, 69 transitions, 289 flow [2020-10-16 06:05:05,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-16 06:05:05,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-10-16 06:05:05,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 813 transitions. [2020-10-16 06:05:05,267 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.7094240837696335 [2020-10-16 06:05:05,267 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 813 transitions. [2020-10-16 06:05:05,268 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 813 transitions. [2020-10-16 06:05:05,268 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 06:05:05,268 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 813 transitions. [2020-10-16 06:05:05,269 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 4 states. [2020-10-16 06:05:05,270 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 4 states. [2020-10-16 06:05:05,270 INFO L81 ComplementDD]: Finished complementDD. Result 4 states. [2020-10-16 06:05:05,270 INFO L185 Difference]: Start difference. First operand has 58 places, 51 transitions, 165 flow. Second operand 3 states and 813 transitions. [2020-10-16 06:05:05,270 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 60 places, 69 transitions, 289 flow [2020-10-16 06:05:05,272 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 06:05:05,273 INFO L241 Difference]: Finished difference. Result has 60 places, 54 transitions, 175 flow [2020-10-16 06:05:05,273 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 06:05:05,274 INFO L342 CegarLoopForPetriNet]: 58 programPoint places, 2 predicate places. [2020-10-16 06:05:05,274 INFO L481 AbstractCegarLoop]: Abstraction has has 60 places, 54 transitions, 175 flow [2020-10-16 06:05:05,274 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-16 06:05:05,274 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 06:05:05,274 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 06:05:05,274 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2020-10-16 06:05:05,274 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 06:05:05,275 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 06:05:05,275 INFO L82 PathProgramCache]: Analyzing trace with hash -314267951, now seen corresponding path program 1 times [2020-10-16 06:05:05,275 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 06:05:05,275 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [193012898] [2020-10-16 06:05:05,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 06:05:05,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 06:05:05,322 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 06:05:05,323 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [193012898] [2020-10-16 06:05:05,324 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 06:05:05,324 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-16 06:05:05,324 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [860852851] [2020-10-16 06:05:05,324 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-16 06:05:05,325 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 06:05:05,325 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-16 06:05:05,325 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-16 06:05:05,326 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 248 out of 382 [2020-10-16 06:05:05,327 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 60 places, 54 transitions, 175 flow. Second operand 5 states. [2020-10-16 06:05:05,327 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 06:05:05,328 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 248 of 382 [2020-10-16 06:05:05,328 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 06:05:49,700 INFO L129 PetriNetUnfolder]: 262495/332338 cut-off events. [2020-10-16 06:05:49,700 INFO L130 PetriNetUnfolder]: For 28089/28089 co-relation queries the response was YES. [2020-10-16 06:05:51,293 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 06:05:52,750 INFO L132 encePairwiseOnDemand]: 373/382 looper letters, 85 selfloop transitions, 19 changer transitions 0/127 dead transitions. [2020-10-16 06:05:52,750 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 65 places, 127 transitions, 568 flow [2020-10-16 06:05:52,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-16 06:05:52,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-10-16 06:05:52,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1593 transitions. [2020-10-16 06:05:52,752 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.6950261780104712 [2020-10-16 06:05:52,752 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1593 transitions. [2020-10-16 06:05:52,752 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1593 transitions. [2020-10-16 06:05:52,752 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 06:05:52,752 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1593 transitions. [2020-10-16 06:05:52,754 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 7 states. [2020-10-16 06:05:52,755 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 7 states. [2020-10-16 06:05:52,755 INFO L81 ComplementDD]: Finished complementDD. Result 7 states. [2020-10-16 06:05:52,755 INFO L185 Difference]: Start difference. First operand has 60 places, 54 transitions, 175 flow. Second operand 6 states and 1593 transitions. [2020-10-16 06:05:52,755 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 65 places, 127 transitions, 568 flow [2020-10-16 06:05:52,851 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 06:05:52,853 INFO L241 Difference]: Finished difference. Result has 67 places, 66 transitions, 293 flow [2020-10-16 06:05:52,853 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 06:05:52,853 INFO L342 CegarLoopForPetriNet]: 58 programPoint places, 9 predicate places. [2020-10-16 06:05:52,853 INFO L481 AbstractCegarLoop]: Abstraction has has 67 places, 66 transitions, 293 flow [2020-10-16 06:05:52,853 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-16 06:05:52,855 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 06:05:52,855 INFO L255 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 06:05:52,855 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2020-10-16 06:05:52,855 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 06:05:52,856 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 06:05:52,856 INFO L82 PathProgramCache]: Analyzing trace with hash 451493352, now seen corresponding path program 1 times [2020-10-16 06:05:52,856 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 06:05:52,856 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1180517705] [2020-10-16 06:05:52,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 06:05:52,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 06:05:52,900 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 06:05:52,901 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1180517705] [2020-10-16 06:05:52,901 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 06:05:52,901 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-16 06:05:52,901 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1346183148] [2020-10-16 06:05:52,901 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-16 06:05:52,902 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 06:05:52,902 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-16 06:05:52,902 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-16 06:05:52,903 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 250 out of 382 [2020-10-16 06:05:52,904 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 67 places, 66 transitions, 293 flow. Second operand 5 states. [2020-10-16 06:05:52,904 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 06:05:52,904 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 250 of 382 [2020-10-16 06:05:52,905 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 06:07:18,659 INFO L129 PetriNetUnfolder]: 440003/565566 cut-off events. [2020-10-16 06:07:18,659 INFO L130 PetriNetUnfolder]: For 266946/266946 co-relation queries the response was YES. [2020-10-16 06:07:21,806 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 06:07:26,658 INFO L132 encePairwiseOnDemand]: 373/382 looper letters, 97 selfloop transitions, 30 changer transitions 0/150 dead transitions. [2020-10-16 06:07:26,658 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 72 places, 150 transitions, 862 flow [2020-10-16 06:07:26,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-16 06:07:26,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-10-16 06:07:26,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1606 transitions. [2020-10-16 06:07:26,660 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.7006980802792321 [2020-10-16 06:07:26,660 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1606 transitions. [2020-10-16 06:07:26,660 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1606 transitions. [2020-10-16 06:07:26,661 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 06:07:26,661 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1606 transitions. [2020-10-16 06:07:26,662 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 7 states. [2020-10-16 06:07:26,663 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 7 states. [2020-10-16 06:07:26,663 INFO L81 ComplementDD]: Finished complementDD. Result 7 states. [2020-10-16 06:07:26,663 INFO L185 Difference]: Start difference. First operand has 67 places, 66 transitions, 293 flow. Second operand 6 states and 1606 transitions. [2020-10-16 06:07:26,663 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 72 places, 150 transitions, 862 flow [2020-10-16 06:08:01,075 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 06:08:01,076 INFO L241 Difference]: Finished difference. Result has 73 places, 84 transitions, 485 flow [2020-10-16 06:08:01,077 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 06:08:01,077 INFO L342 CegarLoopForPetriNet]: 58 programPoint places, 15 predicate places. [2020-10-16 06:08:01,077 INFO L481 AbstractCegarLoop]: Abstraction has has 73 places, 84 transitions, 485 flow [2020-10-16 06:08:01,077 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-16 06:08:01,077 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 06:08:01,077 INFO L255 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 06:08:01,077 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2020-10-16 06:08:01,077 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 06:08:01,077 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 06:08:01,078 INFO L82 PathProgramCache]: Analyzing trace with hash 196451013, now seen corresponding path program 1 times [2020-10-16 06:08:01,078 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 06:08:01,078 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1166586677] [2020-10-16 06:08:01,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 06:08:01,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 06:08:01,098 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 06:08:01,098 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1166586677] [2020-10-16 06:08:01,098 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 06:08:01,098 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-16 06:08:01,099 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2097422943] [2020-10-16 06:08:01,099 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-16 06:08:01,099 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 06:08:01,099 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-16 06:08:01,099 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 06:08:01,101 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 279 out of 382 [2020-10-16 06:08:01,101 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 73 places, 84 transitions, 485 flow. Second operand 3 states. [2020-10-16 06:08:01,101 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 06:08:01,101 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 279 of 382 [2020-10-16 06:08:01,101 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 06:08:03,640 INFO L129 PetriNetUnfolder]: 1855/5330 cut-off events. [2020-10-16 06:08:03,640 INFO L130 PetriNetUnfolder]: For 4423/5643 co-relation queries the response was YES. [2020-10-16 06:08:03,664 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 06:08:03,681 INFO L132 encePairwiseOnDemand]: 366/382 looper letters, 1 selfloop transitions, 16 changer transitions 0/80 dead transitions. [2020-10-16 06:08:03,681 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 75 places, 80 transitions, 477 flow [2020-10-16 06:08:03,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-16 06:08:03,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-10-16 06:08:03,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 860 transitions. [2020-10-16 06:08:03,682 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.7504363001745201 [2020-10-16 06:08:03,682 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 860 transitions. [2020-10-16 06:08:03,682 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 860 transitions. [2020-10-16 06:08:03,683 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 06:08:03,683 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 860 transitions. [2020-10-16 06:08:03,683 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 4 states. [2020-10-16 06:08:03,684 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 4 states. [2020-10-16 06:08:03,684 INFO L81 ComplementDD]: Finished complementDD. Result 4 states. [2020-10-16 06:08:03,684 INFO L185 Difference]: Start difference. First operand has 73 places, 84 transitions, 485 flow. Second operand 3 states and 860 transitions. [2020-10-16 06:08:03,684 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 75 places, 80 transitions, 477 flow [2020-10-16 06:08:03,727 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 06:08:03,728 INFO L241 Difference]: Finished difference. Result has 72 places, 80 transitions, 411 flow [2020-10-16 06:08:03,728 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 06:08:03,728 INFO L342 CegarLoopForPetriNet]: 58 programPoint places, 14 predicate places. [2020-10-16 06:08:03,728 INFO L481 AbstractCegarLoop]: Abstraction has has 72 places, 80 transitions, 411 flow [2020-10-16 06:08:03,728 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-16 06:08:03,729 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 06:08:03,729 INFO L255 CegarLoopForPetriNet]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 06:08:03,729 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2020-10-16 06:08:03,729 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 06:08:03,729 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 06:08:03,729 INFO L82 PathProgramCache]: Analyzing trace with hash 1525764070, now seen corresponding path program 1 times [2020-10-16 06:08:03,729 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 06:08:03,729 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [503357377] [2020-10-16 06:08:03,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 06:08:03,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 06:08:03,772 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 06:08:03,772 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [503357377] [2020-10-16 06:08:03,773 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 06:08:03,773 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-16 06:08:03,773 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [445075636] [2020-10-16 06:08:03,773 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-16 06:08:03,774 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 06:08:03,774 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-16 06:08:03,774 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-16 06:08:03,777 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 247 out of 382 [2020-10-16 06:08:03,778 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 72 places, 80 transitions, 411 flow. Second operand 5 states. [2020-10-16 06:08:03,778 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 06:08:03,778 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 247 of 382 [2020-10-16 06:08:03,778 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 06:08:11,827 INFO L129 PetriNetUnfolder]: 48322/86260 cut-off events. [2020-10-16 06:08:11,827 INFO L130 PetriNetUnfolder]: For 48373/48379 co-relation queries the response was YES. [2020-10-16 06:08:12,310 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 06:08:13,493 INFO L132 encePairwiseOnDemand]: 372/382 looper letters, 102 selfloop transitions, 44 changer transitions 0/169 dead transitions. [2020-10-16 06:08:13,494 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 77 places, 169 transitions, 1100 flow [2020-10-16 06:08:13,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-16 06:08:13,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-10-16 06:08:13,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1586 transitions. [2020-10-16 06:08:13,495 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.6919720767888308 [2020-10-16 06:08:13,495 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1586 transitions. [2020-10-16 06:08:13,495 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1586 transitions. [2020-10-16 06:08:13,496 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 06:08:13,496 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1586 transitions. [2020-10-16 06:08:13,497 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 7 states. [2020-10-16 06:08:13,499 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 7 states. [2020-10-16 06:08:13,499 INFO L81 ComplementDD]: Finished complementDD. Result 7 states. [2020-10-16 06:08:13,499 INFO L185 Difference]: Start difference. First operand has 72 places, 80 transitions, 411 flow. Second operand 6 states and 1586 transitions. [2020-10-16 06:08:13,499 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 77 places, 169 transitions, 1100 flow [2020-10-16 06:08:15,738 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 06:08:15,740 INFO L241 Difference]: Finished difference. Result has 78 places, 103 transitions, 683 flow [2020-10-16 06:08:15,740 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 06:08:15,740 INFO L342 CegarLoopForPetriNet]: 58 programPoint places, 20 predicate places. [2020-10-16 06:08:15,740 INFO L481 AbstractCegarLoop]: Abstraction has has 78 places, 103 transitions, 683 flow [2020-10-16 06:08:15,740 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-16 06:08:15,740 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 06:08:15,741 INFO L255 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 06:08:15,741 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2020-10-16 06:08:15,741 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 06:08:15,741 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 06:08:15,741 INFO L82 PathProgramCache]: Analyzing trace with hash -1133788585, now seen corresponding path program 1 times [2020-10-16 06:08:15,741 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 06:08:15,741 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [943445882] [2020-10-16 06:08:15,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 06:08:15,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 06:08:15,791 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 06:08:15,791 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [943445882] [2020-10-16 06:08:15,792 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [150968477] [2020-10-16 06:08:15,792 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 06:08:15,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 06:08:15,905 INFO L263 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 7 conjunts are in the unsatisfiable core [2020-10-16 06:08:15,906 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-16 06:08:15,964 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 06:08:15,964 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-16 06:08:15,964 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 10 [2020-10-16 06:08:15,965 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1389874690] [2020-10-16 06:08:15,965 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-16 06:08:15,965 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 06:08:15,966 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-16 06:08:15,966 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2020-10-16 06:08:15,968 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 244 out of 382 [2020-10-16 06:08:15,969 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 78 places, 103 transitions, 683 flow. Second operand 12 states. [2020-10-16 06:08:15,969 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 06:08:15,969 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 244 of 382 [2020-10-16 06:08:15,969 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 06:08:25,539 INFO L129 PetriNetUnfolder]: 54766/94158 cut-off events. [2020-10-16 06:08:25,539 INFO L130 PetriNetUnfolder]: For 81305/81305 co-relation queries the response was YES. [2020-10-16 06:08:26,021 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 06:08:26,292 INFO L132 encePairwiseOnDemand]: 372/382 looper letters, 201 selfloop transitions, 64 changer transitions 0/286 dead transitions. [2020-10-16 06:08:26,292 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 90 places, 286 transitions, 1962 flow [2020-10-16 06:08:26,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-16 06:08:26,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2020-10-16 06:08:26,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 3402 transitions. [2020-10-16 06:08:26,296 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.6850583971002819 [2020-10-16 06:08:26,297 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 3402 transitions. [2020-10-16 06:08:26,297 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 3402 transitions. [2020-10-16 06:08:26,297 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 06:08:26,297 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 3402 transitions. [2020-10-16 06:08:26,300 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 14 states. [2020-10-16 06:08:26,303 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 14 states. [2020-10-16 06:08:26,304 INFO L81 ComplementDD]: Finished complementDD. Result 14 states. [2020-10-16 06:08:26,304 INFO L185 Difference]: Start difference. First operand has 78 places, 103 transitions, 683 flow. Second operand 13 states and 3402 transitions. [2020-10-16 06:08:26,304 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 90 places, 286 transitions, 1962 flow [2020-10-16 06:08:33,750 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 06:08:33,753 INFO L241 Difference]: Finished difference. Result has 91 places, 118 transitions, 890 flow [2020-10-16 06:08:33,753 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 06:08:33,753 INFO L342 CegarLoopForPetriNet]: 58 programPoint places, 33 predicate places. [2020-10-16 06:08:33,753 INFO L481 AbstractCegarLoop]: Abstraction has has 91 places, 118 transitions, 890 flow [2020-10-16 06:08:33,753 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-16 06:08:33,753 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 06:08:33,754 INFO L255 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 06:08:33,954 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable37 [2020-10-16 06:08:33,954 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 06:08:33,955 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 06:08:33,955 INFO L82 PathProgramCache]: Analyzing trace with hash -374161485, now seen corresponding path program 1 times [2020-10-16 06:08:33,955 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 06:08:33,956 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1376405149] [2020-10-16 06:08:33,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 06:08:33,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 06:08:34,005 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 06:08:34,006 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1376405149] [2020-10-16 06:08:34,006 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 06:08:34,006 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-16 06:08:34,006 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1962501225] [2020-10-16 06:08:34,006 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-16 06:08:34,006 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 06:08:34,007 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-16 06:08:34,007 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-16 06:08:34,010 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 244 out of 382 [2020-10-16 06:08:34,011 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 91 places, 118 transitions, 890 flow. Second operand 7 states. [2020-10-16 06:08:34,011 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 06:08:34,011 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 244 of 382 [2020-10-16 06:08:34,011 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 06:08:44,132 INFO L129 PetriNetUnfolder]: 57687/99766 cut-off events. [2020-10-16 06:08:44,132 INFO L130 PetriNetUnfolder]: For 131141/131141 co-relation queries the response was YES. [2020-10-16 06:08:44,724 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 06:08:45,035 INFO L132 encePairwiseOnDemand]: 372/382 looper letters, 205 selfloop transitions, 72 changer transitions 0/298 dead transitions. [2020-10-16 06:08:45,035 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 103 places, 298 transitions, 2173 flow [2020-10-16 06:08:45,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-16 06:08:45,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2020-10-16 06:08:45,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 3402 transitions. [2020-10-16 06:08:45,039 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.6850583971002819 [2020-10-16 06:08:45,040 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 3402 transitions. [2020-10-16 06:08:45,040 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 3402 transitions. [2020-10-16 06:08:45,041 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 06:08:45,041 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 3402 transitions. [2020-10-16 06:08:45,044 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 14 states. [2020-10-16 06:08:45,046 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 14 states. [2020-10-16 06:08:45,047 INFO L81 ComplementDD]: Finished complementDD. Result 14 states. [2020-10-16 06:08:45,047 INFO L185 Difference]: Start difference. First operand has 91 places, 118 transitions, 890 flow. Second operand 13 states and 3402 transitions. [2020-10-16 06:08:45,047 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 103 places, 298 transitions, 2173 flow [2020-10-16 06:08:59,778 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 06:08:59,781 INFO L241 Difference]: Finished difference. Result has 99 places, 131 transitions, 1039 flow [2020-10-16 06:08:59,781 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 06:08:59,781 INFO L342 CegarLoopForPetriNet]: 58 programPoint places, 41 predicate places. [2020-10-16 06:08:59,781 INFO L481 AbstractCegarLoop]: Abstraction has has 99 places, 131 transitions, 1039 flow [2020-10-16 06:08:59,781 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-16 06:08:59,781 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 06:08:59,782 INFO L255 CegarLoopForPetriNet]: trace histogram [4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 06:08:59,782 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2020-10-16 06:08:59,782 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 06:08:59,782 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 06:08:59,782 INFO L82 PathProgramCache]: Analyzing trace with hash 55008094, now seen corresponding path program 1 times [2020-10-16 06:08:59,783 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 06:08:59,783 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2102876877] [2020-10-16 06:08:59,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 06:08:59,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 06:08:59,826 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 06:08:59,826 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2102876877] [2020-10-16 06:08:59,826 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 06:08:59,826 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-16 06:08:59,827 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [915062640] [2020-10-16 06:08:59,827 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-16 06:08:59,827 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 06:08:59,827 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-16 06:08:59,827 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-16 06:08:59,829 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 248 out of 382 [2020-10-16 06:08:59,830 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 99 places, 131 transitions, 1039 flow. Second operand 5 states. [2020-10-16 06:08:59,830 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 06:08:59,830 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 248 of 382 [2020-10-16 06:08:59,830 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 06:09:14,476 INFO L129 PetriNetUnfolder]: 79375/141131 cut-off events. [2020-10-16 06:09:14,476 INFO L130 PetriNetUnfolder]: For 282467/282501 co-relation queries the response was YES. [2020-10-16 06:09:15,408 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 06:09:15,873 INFO L132 encePairwiseOnDemand]: 373/382 looper letters, 162 selfloop transitions, 71 changer transitions 0/256 dead transitions. [2020-10-16 06:09:15,873 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 104 places, 256 transitions, 2407 flow [2020-10-16 06:09:15,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-16 06:09:15,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-10-16 06:09:15,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1592 transitions. [2020-10-16 06:09:15,875 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.6945898778359512 [2020-10-16 06:09:15,875 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1592 transitions. [2020-10-16 06:09:15,875 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1592 transitions. [2020-10-16 06:09:15,876 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 06:09:15,876 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1592 transitions. [2020-10-16 06:09:15,877 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 7 states. [2020-10-16 06:09:15,878 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 7 states. [2020-10-16 06:09:15,878 INFO L81 ComplementDD]: Finished complementDD. Result 7 states. [2020-10-16 06:09:15,878 INFO L185 Difference]: Start difference. First operand has 99 places, 131 transitions, 1039 flow. Second operand 6 states and 1592 transitions. [2020-10-16 06:09:15,878 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 104 places, 256 transitions, 2407 flow [2020-10-16 06:09:41,206 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 06:09:41,209 INFO L241 Difference]: Finished difference. Result has 100 places, 165 transitions, 1476 flow [2020-10-16 06:09:41,209 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 06:09:41,209 INFO L342 CegarLoopForPetriNet]: 58 programPoint places, 42 predicate places. [2020-10-16 06:09:41,210 INFO L481 AbstractCegarLoop]: Abstraction has has 100 places, 165 transitions, 1476 flow [2020-10-16 06:09:41,210 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-16 06:09:41,210 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 06:09:41,210 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 06:09:41,210 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2020-10-16 06:09:41,210 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 06:09:41,210 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 06:09:41,210 INFO L82 PathProgramCache]: Analyzing trace with hash -1013943917, now seen corresponding path program 1 times [2020-10-16 06:09:41,210 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 06:09:41,210 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [377832763] [2020-10-16 06:09:41,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 06:09:41,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 06:09:41,269 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 06:09:41,269 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [377832763] [2020-10-16 06:09:41,270 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 06:09:41,270 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-16 06:09:41,270 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1514036691] [2020-10-16 06:09:41,270 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-16 06:09:41,270 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 06:09:41,271 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-16 06:09:41,271 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-16 06:09:41,273 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 241 out of 382 [2020-10-16 06:09:41,273 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 100 places, 165 transitions, 1476 flow. Second operand 7 states. [2020-10-16 06:09:41,274 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 06:09:41,274 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 241 of 382 [2020-10-16 06:09:41,274 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 06:09:59,656 INFO L129 PetriNetUnfolder]: 86006/153802 cut-off events. [2020-10-16 06:09:59,656 INFO L130 PetriNetUnfolder]: For 360321/360327 co-relation queries the response was YES. [2020-10-16 06:10:00,640 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 06:10:01,130 INFO L132 encePairwiseOnDemand]: 371/382 looper letters, 239 selfloop transitions, 111 changer transitions 0/371 dead transitions. [2020-10-16 06:10:01,130 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 112 places, 371 transitions, 3305 flow [2020-10-16 06:10:01,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-16 06:10:01,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2020-10-16 06:10:01,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 3365 transitions. [2020-10-16 06:10:01,134 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.6776077325815546 [2020-10-16 06:10:01,135 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 3365 transitions. [2020-10-16 06:10:01,135 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 3365 transitions. [2020-10-16 06:10:01,135 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 06:10:01,136 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 3365 transitions. [2020-10-16 06:10:01,138 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 14 states. [2020-10-16 06:10:01,141 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 14 states. [2020-10-16 06:10:01,141 INFO L81 ComplementDD]: Finished complementDD. Result 14 states. [2020-10-16 06:10:01,141 INFO L185 Difference]: Start difference. First operand has 100 places, 165 transitions, 1476 flow. Second operand 13 states and 3365 transitions. [2020-10-16 06:10:01,141 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 112 places, 371 transitions, 3305 flow [2020-10-16 06:10:30,106 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 06:10:30,110 INFO L241 Difference]: Finished difference. Result has 113 places, 189 transitions, 1859 flow [2020-10-16 06:10:30,110 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 06:10:30,110 INFO L342 CegarLoopForPetriNet]: 58 programPoint places, 55 predicate places. [2020-10-16 06:10:30,110 INFO L481 AbstractCegarLoop]: Abstraction has has 113 places, 189 transitions, 1859 flow [2020-10-16 06:10:30,110 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-16 06:10:30,111 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 06:10:30,111 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 06:10:30,111 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2020-10-16 06:10:30,111 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 06:10:30,111 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 06:10:30,111 INFO L82 PathProgramCache]: Analyzing trace with hash -1591344468, now seen corresponding path program 1 times [2020-10-16 06:10:30,111 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 06:10:30,111 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1350084945] [2020-10-16 06:10:30,111 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 06:10:30,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 06:10:30,165 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 06:10:30,165 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1350084945] [2020-10-16 06:10:30,165 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1468679325] [2020-10-16 06:10:30,165 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 06:10:30,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 06:10:30,331 INFO L263 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 7 conjunts are in the unsatisfiable core [2020-10-16 06:10:30,333 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-16 06:10:30,409 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 06:10:30,410 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-16 06:10:30,410 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 10 [2020-10-16 06:10:30,410 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [500746877] [2020-10-16 06:10:30,410 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-16 06:10:30,411 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 06:10:30,411 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-16 06:10:30,411 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2020-10-16 06:10:30,414 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 243 out of 382 [2020-10-16 06:10:30,415 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 113 places, 189 transitions, 1859 flow. Second operand 12 states. [2020-10-16 06:10:30,415 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 06:10:30,415 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 243 of 382 [2020-10-16 06:10:30,416 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 06:10:50,484 INFO L129 PetriNetUnfolder]: 91402/163633 cut-off events. [2020-10-16 06:10:50,484 INFO L130 PetriNetUnfolder]: For 461628/461628 co-relation queries the response was YES. [2020-10-16 06:10:51,606 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 06:10:52,110 INFO L132 encePairwiseOnDemand]: 371/382 looper letters, 261 selfloop transitions, 122 changer transitions 0/404 dead transitions. [2020-10-16 06:10:52,110 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 125 places, 404 transitions, 3824 flow [2020-10-16 06:10:52,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-16 06:10:52,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2020-10-16 06:10:52,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 3392 transitions. [2020-10-16 06:10:52,114 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.6830447039871124 [2020-10-16 06:10:52,115 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 3392 transitions. [2020-10-16 06:10:52,115 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 3392 transitions. [2020-10-16 06:10:52,116 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 06:10:52,116 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 3392 transitions. [2020-10-16 06:10:52,119 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 14 states. [2020-10-16 06:10:52,122 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 14 states. [2020-10-16 06:10:52,122 INFO L81 ComplementDD]: Finished complementDD. Result 14 states. [2020-10-16 06:10:52,122 INFO L185 Difference]: Start difference. First operand has 113 places, 189 transitions, 1859 flow. Second operand 13 states and 3392 transitions. [2020-10-16 06:10:52,122 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 125 places, 404 transitions, 3824 flow [2020-10-16 06:11:48,903 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 06:11:48,907 INFO L241 Difference]: Finished difference. Result has 124 places, 218 transitions, 2264 flow [2020-10-16 06:11:48,907 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 06:11:48,907 INFO L342 CegarLoopForPetriNet]: 58 programPoint places, 66 predicate places. [2020-10-16 06:11:48,907 INFO L481 AbstractCegarLoop]: Abstraction has has 124 places, 218 transitions, 2264 flow [2020-10-16 06:11:48,907 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-16 06:11:48,907 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 06:11:48,907 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 06:11:49,108 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-16 06:11:49,108 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 06:11:49,109 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 06:11:49,109 INFO L82 PathProgramCache]: Analyzing trace with hash -733173343, now seen corresponding path program 1 times [2020-10-16 06:11:49,109 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 06:11:49,109 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [883255710] [2020-10-16 06:11:49,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 06:11:49,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 06:11:49,165 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 06:11:49,166 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [883255710] [2020-10-16 06:11:49,166 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 06:11:49,166 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-16 06:11:49,166 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [114112397] [2020-10-16 06:11:49,166 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-16 06:11:49,166 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 06:11:49,167 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-16 06:11:49,167 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-16 06:11:49,168 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 241 out of 382 [2020-10-16 06:11:49,169 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 124 places, 218 transitions, 2264 flow. Second operand 7 states. [2020-10-16 06:11:49,169 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 06:11:49,169 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 241 of 382 [2020-10-16 06:11:49,169 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 06:12:12,964 INFO L129 PetriNetUnfolder]: 95100/170628 cut-off events. [2020-10-16 06:12:12,964 INFO L130 PetriNetUnfolder]: For 592474/592480 co-relation queries the response was YES. [2020-10-16 06:12:14,158 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 06:12:14,698 INFO L132 encePairwiseOnDemand]: 371/382 looper letters, 266 selfloop transitions, 138 changer transitions 0/425 dead transitions. [2020-10-16 06:12:14,698 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 136 places, 425 transitions, 4306 flow [2020-10-16 06:12:14,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-16 06:12:14,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2020-10-16 06:12:14,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 3365 transitions. [2020-10-16 06:12:14,701 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.6776077325815546 [2020-10-16 06:12:14,701 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 3365 transitions. [2020-10-16 06:12:14,701 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 3365 transitions. [2020-10-16 06:12:14,702 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 06:12:14,702 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 3365 transitions. [2020-10-16 06:12:14,705 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 14 states. [2020-10-16 06:12:14,707 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 14 states. [2020-10-16 06:12:14,707 INFO L81 ComplementDD]: Finished complementDD. Result 14 states. [2020-10-16 06:12:14,708 INFO L185 Difference]: Start difference. First operand has 124 places, 218 transitions, 2264 flow. Second operand 13 states and 3365 transitions. [2020-10-16 06:12:14,708 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 136 places, 425 transitions, 4306 flow [2020-10-16 06:13:40,155 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 06:13:40,159 INFO L241 Difference]: Finished difference. Result has 137 places, 240 transitions, 2772 flow [2020-10-16 06:13:40,160 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 06:13:40,160 INFO L342 CegarLoopForPetriNet]: 58 programPoint places, 79 predicate places. [2020-10-16 06:13:40,160 INFO L481 AbstractCegarLoop]: Abstraction has has 137 places, 240 transitions, 2772 flow [2020-10-16 06:13:40,160 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-16 06:13:40,160 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 06:13:40,160 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 06:13:40,160 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2020-10-16 06:13:40,160 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 06:13:40,161 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 06:13:40,161 INFO L82 PathProgramCache]: Analyzing trace with hash -732951042, now seen corresponding path program 1 times [2020-10-16 06:13:40,161 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 06:13:40,161 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2056315897] [2020-10-16 06:13:40,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 06:13:40,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 06:13:40,217 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 06:13:40,217 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2056315897] [2020-10-16 06:13:40,218 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 06:13:40,218 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-16 06:13:40,218 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [731508011] [2020-10-16 06:13:40,218 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-16 06:13:40,218 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 06:13:40,219 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-16 06:13:40,219 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-16 06:13:40,221 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 243 out of 382 [2020-10-16 06:13:40,221 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 137 places, 240 transitions, 2772 flow. Second operand 7 states. [2020-10-16 06:13:40,222 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 06:13:40,222 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 243 of 382 [2020-10-16 06:13:40,222 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 06:14:07,553 INFO L129 PetriNetUnfolder]: 100407/180336 cut-off events. [2020-10-16 06:14:07,554 INFO L130 PetriNetUnfolder]: For 783586/783586 co-relation queries the response was YES. [2020-10-16 06:14:08,991 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 06:14:09,569 INFO L132 encePairwiseOnDemand]: 371/382 looper letters, 274 selfloop transitions, 148 changer transitions 0/443 dead transitions. [2020-10-16 06:14:09,570 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 149 places, 443 transitions, 4857 flow [2020-10-16 06:14:09,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-16 06:14:09,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2020-10-16 06:14:09,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 3392 transitions. [2020-10-16 06:14:09,573 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.6830447039871124 [2020-10-16 06:14:09,573 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 3392 transitions. [2020-10-16 06:14:09,573 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 3392 transitions. [2020-10-16 06:14:09,574 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 06:14:09,574 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 3392 transitions. [2020-10-16 06:14:09,577 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 14 states. [2020-10-16 06:14:09,580 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 14 states. [2020-10-16 06:14:09,581 INFO L81 ComplementDD]: Finished complementDD. Result 14 states. [2020-10-16 06:14:09,581 INFO L185 Difference]: Start difference. First operand has 137 places, 240 transitions, 2772 flow. Second operand 13 states and 3392 transitions. [2020-10-16 06:14:09,581 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 149 places, 443 transitions, 4857 flow Received shutdown request... [2020-10-16 06:14:28,164 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2020-10-16 06:14:28,164 WARN L546 AbstractCegarLoop]: Verification canceled [2020-10-16 06:14:28,167 WARN L235 ceAbstractionStarter]: Timeout [2020-10-16 06:14:28,167 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.10 06:14:28 BasicIcfg [2020-10-16 06:14:28,167 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-16 06:14:28,168 INFO L168 Benchmark]: Toolchain (without parser) took 737058.30 ms. Allocated memory was 253.2 MB in the beginning and 6.6 GB in the end (delta: 6.3 GB). Free memory was 206.9 MB in the beginning and 4.6 GB in the end (delta: -4.4 GB). Peak memory consumption was 4.3 GB. Max. memory is 14.2 GB. [2020-10-16 06:14:28,169 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 253.2 MB. Free memory is still 229.6 MB. There was no memory consumed. Max. memory is 14.2 GB. [2020-10-16 06:14:28,169 INFO L168 Benchmark]: CACSL2BoogieTranslator took 809.69 ms. Allocated memory was 253.2 MB in the beginning and 320.3 MB in the end (delta: 67.1 MB). Free memory was 206.9 MB in the beginning and 271.3 MB in the end (delta: -64.4 MB). Peak memory consumption was 26.5 MB. Max. memory is 14.2 GB. [2020-10-16 06:14:28,170 INFO L168 Benchmark]: Boogie Procedure Inliner took 88.00 ms. Allocated memory is still 320.3 MB. Free memory was 271.3 MB in the beginning and 268.8 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. [2020-10-16 06:14:28,170 INFO L168 Benchmark]: Boogie Preprocessor took 44.42 ms. Allocated memory is still 320.3 MB. Free memory is still 268.8 MB. There was no memory consumed. Max. memory is 14.2 GB. [2020-10-16 06:14:28,170 INFO L168 Benchmark]: RCFGBuilder took 427.10 ms. Allocated memory is still 320.3 MB. Free memory was 268.8 MB in the beginning and 244.4 MB in the end (delta: 24.4 MB). Peak memory consumption was 24.4 MB. Max. memory is 14.2 GB. [2020-10-16 06:14:28,171 INFO L168 Benchmark]: TraceAbstraction took 735683.94 ms. Allocated memory was 320.3 MB in the beginning and 6.6 GB in the end (delta: 6.2 GB). Free memory was 244.4 MB in the beginning and 4.6 GB in the end (delta: -4.3 GB). Peak memory consumption was 4.3 GB. Max. memory is 14.2 GB. [2020-10-16 06:14:28,173 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 253.2 MB. Free memory is still 229.6 MB. There was no memory consumed. Max. memory is 14.2 GB. * CACSL2BoogieTranslator took 809.69 ms. Allocated memory was 253.2 MB in the beginning and 320.3 MB in the end (delta: 67.1 MB). Free memory was 206.9 MB in the beginning and 271.3 MB in the end (delta: -64.4 MB). Peak memory consumption was 26.5 MB. Max. memory is 14.2 GB. * Boogie Procedure Inliner took 88.00 ms. Allocated memory is still 320.3 MB. Free memory was 271.3 MB in the beginning and 268.8 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. * Boogie Preprocessor took 44.42 ms. Allocated memory is still 320.3 MB. Free memory is still 268.8 MB. There was no memory consumed. Max. memory is 14.2 GB. * RCFGBuilder took 427.10 ms. Allocated memory is still 320.3 MB. Free memory was 268.8 MB in the beginning and 244.4 MB in the end (delta: 24.4 MB). Peak memory consumption was 24.4 MB. Max. memory is 14.2 GB. * TraceAbstraction took 735683.94 ms. Allocated memory was 320.3 MB in the beginning and 6.6 GB in the end (delta: 6.2 GB). Free memory was 244.4 MB in the beginning and 4.6 GB in the end (delta: -4.3 GB). Peak memory consumption was 4.3 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: 3.0s, 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: 0.2s, 101 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 2.8s, 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: 0.3s, 169 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 3.3s, 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: 4.3s, 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: 0.5s, 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: 4.8s, 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 executing RemoveRedundantFlow. - 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: 735.2s, OverallIterations: 44, TraceHistogramMax: 6, AutomataDifference: 707.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 22.8s, HoareTripleCheckerStatistics: 299 SDtfs, 3596 SDslu, 408 SDs, 0 SdLazy, 6504 SolverSat, 488 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 380 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 294 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 530 ImplicationChecksByTransitivity, 2.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2772occurred in iteration=11, 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, 2.0s InterpolantComputationTime, 747 NumberOfCodeBlocks, 747 NumberOfCodeBlocksAsserted, 50 NumberOfCheckSat, 618 ConstructedInterpolants, 0 QuantifiedInterpolants, 64650 SizeOfPredicates, 24 NumberOfNonLiveVariables, 857 ConjunctsInSsa, 42 ConjunctsInUnsatCore, 45 InterpolantComputations, 33 PerfectInterpolantSequences, 164/182 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