/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-SemanticLbe.epf -i ../../../trunk/examples/svcomp/pthread/queue_ok_longest.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-7bb8cbd [2020-10-15 23:46:07,527 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-15 23:46:07,530 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-15 23:46:07,566 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-15 23:46:07,567 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-15 23:46:07,571 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-15 23:46:07,573 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-15 23:46:07,574 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-15 23:46:07,576 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-15 23:46:07,582 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-15 23:46:07,583 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-15 23:46:07,586 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-15 23:46:07,586 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-15 23:46:07,588 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-15 23:46:07,590 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-15 23:46:07,592 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-15 23:46:07,593 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-15 23:46:07,595 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-15 23:46:07,597 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-15 23:46:07,603 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-15 23:46:07,605 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-15 23:46:07,606 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-15 23:46:07,607 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-15 23:46:07,607 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-15 23:46:07,612 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-15 23:46:07,612 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-15 23:46:07,612 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-15 23:46:07,615 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-15 23:46:07,616 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-15 23:46:07,616 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-15 23:46:07,617 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-15 23:46:07,617 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-15 23:46:07,618 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-15 23:46:07,619 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-15 23:46:07,621 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-15 23:46:07,621 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-15 23:46:07,621 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-15 23:46:07,622 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-15 23:46:07,622 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-15 23:46:07,632 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-15 23:46:07,633 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-15 23:46:07,633 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-SemanticLbe.epf [2020-10-15 23:46:07,654 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-15 23:46:07,655 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-15 23:46:07,656 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-15 23:46:07,656 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-15 23:46:07,656 INFO L138 SettingsManager]: * Use SBE=true [2020-10-15 23:46:07,656 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-15 23:46:07,657 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-15 23:46:07,657 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-15 23:46:07,657 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-15 23:46:07,657 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-15 23:46:07,657 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-15 23:46:07,658 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-15 23:46:07,658 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-15 23:46:07,658 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-15 23:46:07,658 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-15 23:46:07,658 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-15 23:46:07,658 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-15 23:46:07,659 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-15 23:46:07,659 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-15 23:46:07,659 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-15 23:46:07,659 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-15 23:46:07,659 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-15 23:46:07,660 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-15 23:46:07,660 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-15 23:46:07,660 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-15 23:46:07,660 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-15 23:46:07,660 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-15 23:46:07,661 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2020-10-15 23:46:07,661 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-15 23:46:07,951 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-15 23:46:07,967 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-15 23:46:07,971 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-15 23:46:07,973 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-15 23:46:07,973 INFO L275 PluginConnector]: CDTParser initialized [2020-10-15 23:46:07,974 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread/queue_ok_longest.i [2020-10-15 23:46:08,029 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b629e436b/6c05e9c603ae4a95b4b75b4f4c5aff9d/FLAGc204fafee [2020-10-15 23:46:08,599 INFO L306 CDTParser]: Found 1 translation units. [2020-10-15 23:46:08,600 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/queue_ok_longest.i [2020-10-15 23:46:08,621 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b629e436b/6c05e9c603ae4a95b4b75b4f4c5aff9d/FLAGc204fafee [2020-10-15 23:46:08,860 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b629e436b/6c05e9c603ae4a95b4b75b4f4c5aff9d [2020-10-15 23:46:08,868 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-15 23:46:08,870 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-15 23:46:08,871 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-15 23:46:08,871 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-15 23:46:08,874 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-15 23:46:08,875 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 11:46:08" (1/1) ... [2020-10-15 23:46:08,878 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66fbb1ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 11:46:08, skipping insertion in model container [2020-10-15 23:46:08,879 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 11:46:08" (1/1) ... [2020-10-15 23:46:08,887 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-15 23:46:08,936 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-15 23:46:09,496 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-15 23:46:09,511 INFO L203 MainTranslator]: Completed pre-run [2020-10-15 23:46:09,583 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-15 23:46:09,759 INFO L208 MainTranslator]: Completed translation [2020-10-15 23:46:09,760 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 11:46:09 WrapperNode [2020-10-15 23:46:09,761 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-15 23:46:09,762 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-15 23:46:09,762 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-15 23:46:09,762 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-15 23:46:09,771 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 11:46:09" (1/1) ... [2020-10-15 23:46:09,820 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 11:46:09" (1/1) ... [2020-10-15 23:46:09,893 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-15 23:46:09,893 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-15 23:46:09,893 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-15 23:46:09,893 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-15 23:46:09,904 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 11:46:09" (1/1) ... [2020-10-15 23:46:09,904 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 11:46:09" (1/1) ... [2020-10-15 23:46:09,922 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 11:46:09" (1/1) ... [2020-10-15 23:46:09,923 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 11:46:09" (1/1) ... [2020-10-15 23:46:09,957 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 11:46:09" (1/1) ... [2020-10-15 23:46:09,967 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 11:46:09" (1/1) ... [2020-10-15 23:46:09,973 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 11:46:09" (1/1) ... [2020-10-15 23:46:09,983 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-15 23:46:09,984 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-15 23:46:09,985 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-15 23:46:09,985 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-15 23:46:09,989 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 11:46:09" (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 [2020-10-15 23:46:10,106 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2020-10-15 23:46:10,106 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2020-10-15 23:46:10,106 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2020-10-15 23:46:10,106 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2020-10-15 23:46:10,107 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-15 23:46:10,108 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-15 23:46:10,108 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-15 23:46:10,109 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-15 23:46:10,110 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2020-10-15 23:46:10,110 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-15 23:46:10,112 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-15 23:46:10,112 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-15 23:46:10,117 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-10-15 23:46:10,911 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-15 23:46:10,911 INFO L298 CfgBuilder]: Removed 16 assume(true) statements. [2020-10-15 23:46:10,913 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 11:46:10 BoogieIcfgContainer [2020-10-15 23:46:10,913 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-15 23:46:10,916 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-15 23:46:10,916 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-15 23:46:10,920 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-15 23:46:10,920 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 11:46:08" (1/3) ... [2020-10-15 23:46:10,922 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@cab5549 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 11:46:10, skipping insertion in model container [2020-10-15 23:46:10,922 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 11:46:09" (2/3) ... [2020-10-15 23:46:10,922 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@cab5549 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 11:46:10, skipping insertion in model container [2020-10-15 23:46:10,923 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 11:46:10" (3/3) ... [2020-10-15 23:46:10,925 INFO L111 eAbstractionObserver]: Analyzing ICFG queue_ok_longest.i [2020-10-15 23:46:10,941 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-15 23:46:10,951 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2020-10-15 23:46:10,952 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-15 23:46:10,997 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:10,997 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:10,998 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:10,998 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:10,998 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:10,999 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:10,999 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:10,999 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:10,999 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:11,000 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:11,000 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:11,000 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:11,000 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:11,001 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:11,001 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:11,001 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:11,002 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:11,002 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:11,002 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:11,002 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:11,002 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:11,003 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:11,003 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:11,003 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:11,003 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:11,004 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:11,004 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:11,004 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:11,004 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:11,004 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:11,005 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:11,005 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:11,005 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:11,005 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:11,006 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:11,006 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:11,006 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:11,006 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:11,006 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:11,007 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:11,007 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:11,007 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:11,007 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:11,008 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:11,008 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:11,008 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:11,008 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:11,009 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:11,009 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:11,009 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:11,009 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:11,009 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:11,010 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:11,010 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:11,010 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:11,010 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:11,011 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:11,011 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:11,014 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:11,015 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:11,016 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:11,016 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:11,018 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:11,018 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:11,019 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:11,019 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:11,019 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:11,019 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:11,020 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:11,022 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:11,022 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:11,022 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:11,023 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:11,023 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:11,023 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:11,023 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:11,023 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:11,023 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:11,024 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:11,024 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:11,024 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:11,024 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:11,025 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:11,025 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:11,025 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:11,026 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:11,028 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:11,028 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:11,028 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:11,028 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:11,029 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:11,029 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:11,029 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:11,030 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:11,030 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:11,030 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:11,030 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:11,031 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:11,031 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:11,031 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:11,031 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:11,032 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:11,032 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:11,032 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:11,032 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:11,032 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:11,033 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:11,033 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:11,033 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:11,033 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:11,034 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:11,034 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:11,034 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:11,034 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:11,034 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:11,035 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:11,035 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:11,035 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:11,035 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:11,036 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:11,036 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:11,036 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:11,036 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:11,037 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:11,037 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:11,037 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:11,037 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:11,038 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:11,038 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:11,038 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:11,038 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:11,039 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:11,039 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:11,039 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:11,039 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:11,039 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:11,040 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:11,040 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:11,040 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:11,040 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:11,041 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:11,041 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:11,041 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:11,041 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:11,042 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:11,042 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:11,042 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:11,042 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:11,042 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:11,043 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:11,043 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:11,043 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:11,043 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:11,043 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:11,044 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:11,044 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:11,044 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:11,044 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:11,045 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:11,045 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:11,045 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:11,045 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:11,045 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:11,046 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:11,046 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:11,046 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:11,046 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:11,047 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:11,047 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:11,047 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:11,047 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:11,047 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:11,048 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:11,048 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:11,048 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:11,048 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:11,049 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:11,049 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:11,049 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:11,049 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:11,049 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:11,050 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:11,050 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:11,050 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:11,050 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:11,051 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:11,051 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:11,051 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:11,051 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:11,052 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:11,052 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:11,052 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:11,052 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:11,052 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:11,053 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:11,053 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:11,053 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:11,053 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:11,054 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:11,054 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:11,054 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:11,054 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:11,055 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:11,055 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:11,055 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:11,055 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:11,056 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:11,056 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:11,056 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:11,056 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:11,057 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:11,057 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:11,061 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:11,061 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:11,061 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:11,061 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:11,062 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:11,062 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:11,062 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:11,062 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:11,063 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:11,063 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:11,063 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:11,063 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:11,063 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:11,064 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:11,064 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:11,064 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:11,064 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:11,065 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:11,065 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:11,065 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:11,065 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:11,066 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:11,066 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:11,077 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:11,078 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:11,078 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:11,078 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:11,078 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:11,079 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:11,079 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:11,079 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:11,079 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:11,080 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:11,080 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:11,080 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:11,080 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:11,080 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:11,081 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:11,081 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:11,081 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:11,081 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:11,082 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:11,082 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:11,082 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:11,082 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:11,083 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:11,083 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:11,083 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:11,083 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:11,084 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:11,084 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:11,084 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:11,100 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:11,100 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:11,154 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-15 23:46:11,176 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-15 23:46:11,176 INFO L378 AbstractCegarLoop]: Hoare is false [2020-10-15 23:46:11,176 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-15 23:46:11,177 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-15 23:46:11,177 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-15 23:46:11,177 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-15 23:46:11,177 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-15 23:46:11,177 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-15 23:46:11,196 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 196 places, 204 transitions, 430 flow [2020-10-15 23:46:11,284 INFO L129 PetriNetUnfolder]: 14/204 cut-off events. [2020-10-15 23:46:11,284 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2020-10-15 23:46:11,294 INFO L80 FinitePrefix]: Finished finitePrefix Result has 215 conditions, 204 events. 14/204 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 365 event pairs, 0 based on Foata normal form. 0/189 useless extension candidates. Maximal degree in co-relation 139. Up to 3 conditions per place. [2020-10-15 23:46:11,294 INFO L82 GeneralOperation]: Start removeDead. Operand has 196 places, 204 transitions, 430 flow [2020-10-15 23:46:11,304 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 185 places, 192 transitions, 396 flow [2020-10-15 23:46:11,307 INFO L129 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-10-15 23:46:11,310 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 185 places, 192 transitions, 396 flow [2020-10-15 23:46:11,314 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 185 places, 192 transitions, 396 flow [2020-10-15 23:46:11,314 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 185 places, 192 transitions, 396 flow [2020-10-15 23:46:11,386 INFO L129 PetriNetUnfolder]: 13/194 cut-off events. [2020-10-15 23:46:11,387 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2020-10-15 23:46:11,393 INFO L80 FinitePrefix]: Finished finitePrefix Result has 203 conditions, 194 events. 13/194 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 293 event pairs, 0 based on Foata normal form. 0/179 useless extension candidates. Maximal degree in co-relation 139. Up to 3 conditions per place. [2020-10-15 23:46:11,403 INFO L117 LiptonReduction]: Number of co-enabled transitions 9440 [2020-10-15 23:46:14,851 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 75 [2020-10-15 23:46:15,855 WARN L193 SmtUtils]: Spent 667.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 113 [2020-10-15 23:46:16,157 WARN L193 SmtUtils]: Spent 298.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-15 23:46:17,575 WARN L193 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 144 DAG size of output: 138 [2020-10-15 23:46:18,060 WARN L193 SmtUtils]: Spent 482.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2020-10-15 23:46:19,579 WARN L193 SmtUtils]: Spent 1.49 s on a formula simplification. DAG size of input: 152 DAG size of output: 147 [2020-10-15 23:46:20,278 WARN L193 SmtUtils]: Spent 694.00 ms on a formula simplification that was a NOOP. DAG size: 143 [2020-10-15 23:46:20,294 INFO L132 LiptonReduction]: Checked pairs total: 21968 [2020-10-15 23:46:20,294 INFO L134 LiptonReduction]: Total number of compositions: 179 [2020-10-15 23:46:20,297 INFO L182 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 8992 [2020-10-15 23:46:20,302 INFO L129 PetriNetUnfolder]: 0/1 cut-off events. [2020-10-15 23:46:20,302 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-15 23:46:20,303 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-15 23:46:20,304 INFO L255 CegarLoopForPetriNet]: trace histogram [1] [2020-10-15 23:46:20,304 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 23:46:20,310 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 23:46:20,310 INFO L82 PathProgramCache]: Analyzing trace with hash 804, now seen corresponding path program 1 times [2020-10-15 23:46:20,319 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 23:46:20,320 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1588801187] [2020-10-15 23:46:20,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 23:46:20,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 23:46:20,450 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 23:46:20,451 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1588801187] [2020-10-15 23:46:20,451 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 23:46:20,452 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2020-10-15 23:46:20,452 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [819692618] [2020-10-15 23:46:20,463 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-15 23:46:20,463 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 23:46:20,477 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-15 23:46:20,480 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-15 23:46:20,484 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 365 out of 383 [2020-10-15 23:46:20,487 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 48 places, 49 transitions, 110 flow. Second operand 2 states. [2020-10-15 23:46:20,487 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-15 23:46:20,487 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 365 of 383 [2020-10-15 23:46:20,489 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-15 23:46:20,505 INFO L129 PetriNetUnfolder]: 7/50 cut-off events. [2020-10-15 23:46:20,505 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2020-10-15 23:46:20,505 INFO L80 FinitePrefix]: Finished finitePrefix Result has 60 conditions, 50 events. 7/50 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 121 event pairs, 0 based on Foata normal form. 1/43 useless extension candidates. Maximal degree in co-relation 56. Up to 3 conditions per place. [2020-10-15 23:46:20,508 INFO L132 encePairwiseOnDemand]: 382/383 looper letters, 0 selfloop transitions, 0 changer transitions 0/48 dead transitions. [2020-10-15 23:46:20,508 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 48 places, 48 transitions, 108 flow [2020-10-15 23:46:20,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-15 23:46:20,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-10-15 23:46:20,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 731 transitions. [2020-10-15 23:46:20,533 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.9543080939947781 [2020-10-15 23:46:20,534 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 731 transitions. [2020-10-15 23:46:20,534 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 731 transitions. [2020-10-15 23:46:20,540 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-15 23:46:20,543 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 731 transitions. [2020-10-15 23:46:20,548 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 3 states. [2020-10-15 23:46:20,562 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 3 states. [2020-10-15 23:46:20,562 INFO L81 ComplementDD]: Finished complementDD. Result 3 states. [2020-10-15 23:46:20,565 INFO L185 Difference]: Start difference. First operand has 48 places, 49 transitions, 110 flow. Second operand 2 states and 731 transitions. [2020-10-15 23:46:20,566 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 48 places, 48 transitions, 108 flow [2020-10-15 23:46:20,571 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 44 places, 48 transitions, 100 flow, removed 0 selfloop flow, removed 4 redundant places. [2020-10-15 23:46:20,574 INFO L241 Difference]: Finished difference. Result has 44 places, 48 transitions, 100 flow [2020-10-15 23:46:20,577 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=383, PETRI_DIFFERENCE_MINUEND_FLOW=100, PETRI_DIFFERENCE_MINUEND_PLACES=43, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=48, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=48, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=100, PETRI_PLACES=44, PETRI_TRANSITIONS=48} [2020-10-15 23:46:20,578 INFO L342 CegarLoopForPetriNet]: 48 programPoint places, -4 predicate places. [2020-10-15 23:46:20,578 INFO L481 AbstractCegarLoop]: Abstraction has has 44 places, 48 transitions, 100 flow [2020-10-15 23:46:20,578 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-15 23:46:20,578 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-15 23:46:20,579 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 23:46:20,579 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-15 23:46:20,580 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 23:46:20,580 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 23:46:20,580 INFO L82 PathProgramCache]: Analyzing trace with hash 1545279757, now seen corresponding path program 1 times [2020-10-15 23:46:20,581 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 23:46:20,581 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [995834943] [2020-10-15 23:46:20,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 23:46:20,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 23:46:20,750 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 23:46:20,750 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [995834943] [2020-10-15 23:46:20,750 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 23:46:20,751 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-15 23:46:20,751 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1431421444] [2020-10-15 23:46:20,754 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-15 23:46:20,754 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 23:46:20,755 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-15 23:46:20,755 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-15 23:46:20,764 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 342 out of 383 [2020-10-15 23:46:20,764 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 44 places, 48 transitions, 100 flow. Second operand 3 states. [2020-10-15 23:46:20,765 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-15 23:46:20,765 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 342 of 383 [2020-10-15 23:46:20,765 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-15 23:46:20,804 INFO L129 PetriNetUnfolder]: 6/67 cut-off events. [2020-10-15 23:46:20,805 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-15 23:46:20,805 INFO L80 FinitePrefix]: Finished finitePrefix Result has 79 conditions, 67 events. 6/67 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 193 event pairs, 0 based on Foata normal form. 1/62 useless extension candidates. Maximal degree in co-relation 76. Up to 5 conditions per place. [2020-10-15 23:46:20,806 INFO L132 encePairwiseOnDemand]: 379/383 looper letters, 2 selfloop transitions, 2 changer transitions 4/49 dead transitions. [2020-10-15 23:46:20,806 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 46 places, 49 transitions, 114 flow [2020-10-15 23:46:20,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-15 23:46:20,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-10-15 23:46:20,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1033 transitions. [2020-10-15 23:46:20,810 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.8990426457789382 [2020-10-15 23:46:20,810 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1033 transitions. [2020-10-15 23:46:20,810 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1033 transitions. [2020-10-15 23:46:20,811 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-15 23:46:20,811 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1033 transitions. [2020-10-15 23:46:20,813 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 4 states. [2020-10-15 23:46:20,816 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 4 states. [2020-10-15 23:46:20,816 INFO L81 ComplementDD]: Finished complementDD. Result 4 states. [2020-10-15 23:46:20,816 INFO L185 Difference]: Start difference. First operand has 44 places, 48 transitions, 100 flow. Second operand 3 states and 1033 transitions. [2020-10-15 23:46:20,816 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 46 places, 49 transitions, 114 flow [2020-10-15 23:46:20,817 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 46 places, 49 transitions, 114 flow, removed 0 selfloop flow, removed 0 redundant places. [2020-10-15 23:46:20,819 INFO L241 Difference]: Finished difference. Result has 47 places, 45 transitions, 102 flow [2020-10-15 23:46:20,819 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=383, PETRI_DIFFERENCE_MINUEND_FLOW=100, PETRI_DIFFERENCE_MINUEND_PLACES=44, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=48, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=46, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=102, PETRI_PLACES=47, PETRI_TRANSITIONS=45} [2020-10-15 23:46:20,820 INFO L342 CegarLoopForPetriNet]: 48 programPoint places, -1 predicate places. [2020-10-15 23:46:20,820 INFO L481 AbstractCegarLoop]: Abstraction has has 47 places, 45 transitions, 102 flow [2020-10-15 23:46:20,821 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-15 23:46:20,821 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-15 23:46:20,821 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 23:46:20,821 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-15 23:46:20,821 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 23:46:20,821 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 23:46:20,822 INFO L82 PathProgramCache]: Analyzing trace with hash 1545688737, now seen corresponding path program 1 times [2020-10-15 23:46:20,822 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 23:46:20,822 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [224902963] [2020-10-15 23:46:20,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 23:46:20,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 23:46:20,889 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 23:46:20,890 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [224902963] [2020-10-15 23:46:20,890 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 23:46:20,890 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-15 23:46:20,890 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1069248700] [2020-10-15 23:46:20,891 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-15 23:46:20,891 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 23:46:20,891 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-15 23:46:20,891 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-15 23:46:20,893 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 330 out of 383 [2020-10-15 23:46:20,894 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 47 places, 45 transitions, 102 flow. Second operand 3 states. [2020-10-15 23:46:20,894 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-15 23:46:20,894 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 330 of 383 [2020-10-15 23:46:20,895 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-15 23:46:20,945 INFO L129 PetriNetUnfolder]: 8/70 cut-off events. [2020-10-15 23:46:20,945 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-15 23:46:20,946 INFO L80 FinitePrefix]: Finished finitePrefix Result has 94 conditions, 70 events. 8/70 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 201 event pairs, 1 based on Foata normal form. 3/64 useless extension candidates. Maximal degree in co-relation 89. Up to 6 conditions per place. [2020-10-15 23:46:20,946 INFO L132 encePairwiseOnDemand]: 378/383 looper letters, 1 selfloop transitions, 3 changer transitions 4/45 dead transitions. [2020-10-15 23:46:20,947 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 48 places, 45 transitions, 114 flow [2020-10-15 23:46:20,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-15 23:46:20,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-10-15 23:46:20,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 999 transitions. [2020-10-15 23:46:20,951 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.8694516971279374 [2020-10-15 23:46:20,951 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 999 transitions. [2020-10-15 23:46:20,951 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 999 transitions. [2020-10-15 23:46:20,952 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-15 23:46:20,952 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 999 transitions. [2020-10-15 23:46:20,954 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 4 states. [2020-10-15 23:46:20,956 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 4 states. [2020-10-15 23:46:20,956 INFO L81 ComplementDD]: Finished complementDD. Result 4 states. [2020-10-15 23:46:20,957 INFO L185 Difference]: Start difference. First operand has 47 places, 45 transitions, 102 flow. Second operand 3 states and 999 transitions. [2020-10-15 23:46:20,957 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 48 places, 45 transitions, 114 flow [2020-10-15 23:46:20,958 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 46 places, 45 transitions, 110 flow, removed 0 selfloop flow, removed 2 redundant places. [2020-10-15 23:46:20,960 INFO L241 Difference]: Finished difference. Result has 46 places, 41 transitions, 95 flow [2020-10-15 23:46:20,960 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=383, PETRI_DIFFERENCE_MINUEND_FLOW=98, PETRI_DIFFERENCE_MINUEND_PLACES=44, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=45, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=42, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=95, PETRI_PLACES=46, PETRI_TRANSITIONS=41} [2020-10-15 23:46:20,960 INFO L342 CegarLoopForPetriNet]: 48 programPoint places, -2 predicate places. [2020-10-15 23:46:20,961 INFO L481 AbstractCegarLoop]: Abstraction has has 46 places, 41 transitions, 95 flow [2020-10-15 23:46:20,961 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-15 23:46:20,961 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-15 23:46:20,961 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 23:46:20,961 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-15 23:46:20,961 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 23:46:20,962 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 23:46:20,962 INFO L82 PathProgramCache]: Analyzing trace with hash 450998237, now seen corresponding path program 1 times [2020-10-15 23:46:20,962 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 23:46:20,962 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [44043221] [2020-10-15 23:46:20,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 23:46:21,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 23:46:21,053 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 23:46:21,054 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [44043221] [2020-10-15 23:46:21,054 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 23:46:21,055 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-15 23:46:21,055 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1010323923] [2020-10-15 23:46:21,058 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-15 23:46:21,059 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 23:46:21,059 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-15 23:46:21,059 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-15 23:46:21,063 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 343 out of 383 [2020-10-15 23:46:21,064 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 46 places, 41 transitions, 95 flow. Second operand 3 states. [2020-10-15 23:46:21,064 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-15 23:46:21,065 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 343 of 383 [2020-10-15 23:46:21,065 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-15 23:46:21,095 INFO L129 PetriNetUnfolder]: 6/53 cut-off events. [2020-10-15 23:46:21,095 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-15 23:46:21,096 INFO L80 FinitePrefix]: Finished finitePrefix Result has 76 conditions, 53 events. 6/53 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 61 event pairs, 0 based on Foata normal form. 0/47 useless extension candidates. Maximal degree in co-relation 71. Up to 9 conditions per place. [2020-10-15 23:46:21,097 INFO L132 encePairwiseOnDemand]: 379/383 looper letters, 7 selfloop transitions, 3 changer transitions 0/44 dead transitions. [2020-10-15 23:46:21,097 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 45 places, 44 transitions, 121 flow [2020-10-15 23:46:21,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-15 23:46:21,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-10-15 23:46:21,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1040 transitions. [2020-10-15 23:46:21,101 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.9051348999129678 [2020-10-15 23:46:21,101 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1040 transitions. [2020-10-15 23:46:21,102 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1040 transitions. [2020-10-15 23:46:21,103 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-15 23:46:21,103 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1040 transitions. [2020-10-15 23:46:21,105 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 4 states. [2020-10-15 23:46:21,107 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 4 states. [2020-10-15 23:46:21,107 INFO L81 ComplementDD]: Finished complementDD. Result 4 states. [2020-10-15 23:46:21,107 INFO L185 Difference]: Start difference. First operand has 46 places, 41 transitions, 95 flow. Second operand 3 states and 1040 transitions. [2020-10-15 23:46:21,107 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 45 places, 44 transitions, 121 flow [2020-10-15 23:46:21,109 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 44 places, 44 transitions, 118 flow, removed 0 selfloop flow, removed 1 redundant places. [2020-10-15 23:46:21,110 INFO L241 Difference]: Finished difference. Result has 45 places, 43 transitions, 111 flow [2020-10-15 23:46:21,110 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=383, PETRI_DIFFERENCE_MINUEND_FLOW=92, PETRI_DIFFERENCE_MINUEND_PLACES=42, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=41, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=38, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=111, PETRI_PLACES=45, PETRI_TRANSITIONS=43} [2020-10-15 23:46:21,116 INFO L342 CegarLoopForPetriNet]: 48 programPoint places, -3 predicate places. [2020-10-15 23:46:21,116 INFO L481 AbstractCegarLoop]: Abstraction has has 45 places, 43 transitions, 111 flow [2020-10-15 23:46:21,117 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-15 23:46:21,117 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-15 23:46:21,120 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 23:46:21,121 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-15 23:46:21,121 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 23:46:21,121 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 23:46:21,121 INFO L82 PathProgramCache]: Analyzing trace with hash -1008237711, now seen corresponding path program 1 times [2020-10-15 23:46:21,122 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 23:46:21,122 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [718233168] [2020-10-15 23:46:21,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 23:46:21,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 23:46:21,222 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 23:46:21,223 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [718233168] [2020-10-15 23:46:21,223 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [196889081] [2020-10-15 23:46:21,223 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 [2020-10-15 23:46:21,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 23:46:21,317 INFO L263 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 3 conjunts are in the unsatisfiable core [2020-10-15 23:46:21,324 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-15 23:46:21,357 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 23:46:21,357 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-15 23:46:21,357 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 5 [2020-10-15 23:46:21,358 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [814074252] [2020-10-15 23:46:21,358 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-15 23:46:21,358 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 23:46:21,359 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-15 23:46:21,359 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2020-10-15 23:46:21,361 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 343 out of 383 [2020-10-15 23:46:21,363 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 45 places, 43 transitions, 111 flow. Second operand 5 states. [2020-10-15 23:46:21,363 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-15 23:46:21,363 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 343 of 383 [2020-10-15 23:46:21,363 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-15 23:46:21,402 INFO L129 PetriNetUnfolder]: 7/64 cut-off events. [2020-10-15 23:46:21,403 INFO L130 PetriNetUnfolder]: For 7/7 co-relation queries the response was YES. [2020-10-15 23:46:21,403 INFO L80 FinitePrefix]: Finished finitePrefix Result has 99 conditions, 64 events. 7/64 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 67 event pairs, 0 based on Foata normal form. 1/59 useless extension candidates. Maximal degree in co-relation 92. Up to 9 conditions per place. [2020-10-15 23:46:21,404 INFO L132 encePairwiseOnDemand]: 379/383 looper letters, 8 selfloop transitions, 5 changer transitions 0/47 dead transitions. [2020-10-15 23:46:21,404 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 48 places, 47 transitions, 149 flow [2020-10-15 23:46:21,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-15 23:46:21,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-10-15 23:46:21,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 1386 transitions. [2020-10-15 23:46:21,408 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.9046997389033943 [2020-10-15 23:46:21,408 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 1386 transitions. [2020-10-15 23:46:21,408 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 1386 transitions. [2020-10-15 23:46:21,409 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-15 23:46:21,410 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 1386 transitions. [2020-10-15 23:46:21,412 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 5 states. [2020-10-15 23:46:21,415 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 5 states. [2020-10-15 23:46:21,415 INFO L81 ComplementDD]: Finished complementDD. Result 5 states. [2020-10-15 23:46:21,415 INFO L185 Difference]: Start difference. First operand has 45 places, 43 transitions, 111 flow. Second operand 4 states and 1386 transitions. [2020-10-15 23:46:21,415 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 48 places, 47 transitions, 149 flow [2020-10-15 23:46:21,417 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 47 places, 47 transitions, 146 flow, removed 0 selfloop flow, removed 1 redundant places. [2020-10-15 23:46:21,418 INFO L241 Difference]: Finished difference. Result has 48 places, 45 transitions, 136 flow [2020-10-15 23:46:21,418 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=383, PETRI_DIFFERENCE_MINUEND_FLOW=108, PETRI_DIFFERENCE_MINUEND_PLACES=44, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=43, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=38, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=136, PETRI_PLACES=48, PETRI_TRANSITIONS=45} [2020-10-15 23:46:21,419 INFO L342 CegarLoopForPetriNet]: 48 programPoint places, 0 predicate places. [2020-10-15 23:46:21,419 INFO L481 AbstractCegarLoop]: Abstraction has has 48 places, 45 transitions, 136 flow [2020-10-15 23:46:21,419 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-15 23:46:21,419 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-15 23:46:21,419 INFO L255 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 23:46:21,632 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-15 23:46:21,633 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 23:46:21,634 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 23:46:21,634 INFO L82 PathProgramCache]: Analyzing trace with hash -2123611811, now seen corresponding path program 2 times [2020-10-15 23:46:21,635 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 23:46:21,635 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [96962111] [2020-10-15 23:46:21,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 23:46:21,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 23:46:21,743 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 23:46:21,743 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [96962111] [2020-10-15 23:46:21,744 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1698322372] [2020-10-15 23:46:21,744 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 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 [2020-10-15 23:46:21,916 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2020-10-15 23:46:21,917 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-10-15 23:46:21,918 INFO L263 TraceCheckSpWp]: Trace formula consists of 232 conjuncts, 4 conjunts are in the unsatisfiable core [2020-10-15 23:46:21,921 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-15 23:46:21,944 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 23:46:21,945 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-15 23:46:21,945 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 6 [2020-10-15 23:46:21,946 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [474670566] [2020-10-15 23:46:21,947 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-15 23:46:21,947 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 23:46:21,947 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-15 23:46:21,948 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2020-10-15 23:46:21,952 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 343 out of 383 [2020-10-15 23:46:21,954 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 48 places, 45 transitions, 136 flow. Second operand 6 states. [2020-10-15 23:46:21,954 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-15 23:46:21,954 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 343 of 383 [2020-10-15 23:46:21,954 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-15 23:46:22,018 INFO L129 PetriNetUnfolder]: 8/75 cut-off events. [2020-10-15 23:46:22,018 INFO L130 PetriNetUnfolder]: For 31/31 co-relation queries the response was YES. [2020-10-15 23:46:22,019 INFO L80 FinitePrefix]: Finished finitePrefix Result has 126 conditions, 75 events. 8/75 cut-off events. For 31/31 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 73 event pairs, 0 based on Foata normal form. 1/69 useless extension candidates. Maximal degree in co-relation 118. Up to 10 conditions per place. [2020-10-15 23:46:22,019 INFO L132 encePairwiseOnDemand]: 379/383 looper letters, 9 selfloop transitions, 7 changer transitions 0/50 dead transitions. [2020-10-15 23:46:22,020 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 52 places, 50 transitions, 186 flow [2020-10-15 23:46:22,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-15 23:46:22,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-10-15 23:46:22,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1732 transitions. [2020-10-15 23:46:22,026 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.9044386422976501 [2020-10-15 23:46:22,026 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1732 transitions. [2020-10-15 23:46:22,026 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1732 transitions. [2020-10-15 23:46:22,028 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-15 23:46:22,028 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1732 transitions. [2020-10-15 23:46:22,032 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 6 states. [2020-10-15 23:46:22,036 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 6 states. [2020-10-15 23:46:22,036 INFO L81 ComplementDD]: Finished complementDD. Result 6 states. [2020-10-15 23:46:22,036 INFO L185 Difference]: Start difference. First operand has 48 places, 45 transitions, 136 flow. Second operand 5 states and 1732 transitions. [2020-10-15 23:46:22,036 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 52 places, 50 transitions, 186 flow [2020-10-15 23:46:22,038 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 50 places, 50 transitions, 176 flow, removed 2 selfloop flow, removed 2 redundant places. [2020-10-15 23:46:22,043 INFO L241 Difference]: Finished difference. Result has 51 places, 47 transitions, 162 flow [2020-10-15 23:46:22,044 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=383, PETRI_DIFFERENCE_MINUEND_FLOW=126, PETRI_DIFFERENCE_MINUEND_PLACES=46, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=45, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=38, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=162, PETRI_PLACES=51, PETRI_TRANSITIONS=47} [2020-10-15 23:46:22,044 INFO L342 CegarLoopForPetriNet]: 48 programPoint places, 3 predicate places. [2020-10-15 23:46:22,044 INFO L481 AbstractCegarLoop]: Abstraction has has 51 places, 47 transitions, 162 flow [2020-10-15 23:46:22,044 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-15 23:46:22,044 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-15 23:46:22,044 INFO L255 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 23:46:22,258 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-15 23:46:22,259 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 23:46:22,259 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 23:46:22,259 INFO L82 PathProgramCache]: Analyzing trace with hash 46198635, now seen corresponding path program 3 times [2020-10-15 23:46:22,259 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 23:46:22,259 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [52467973] [2020-10-15 23:46:22,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 23:46:22,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 23:46:22,418 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 23:46:22,419 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [52467973] [2020-10-15 23:46:22,419 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1550059635] [2020-10-15 23:46:22,419 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 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 [2020-10-15 23:46:23,093 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2020-10-15 23:46:23,093 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-10-15 23:46:23,097 INFO L263 TraceCheckSpWp]: Trace formula consists of 265 conjuncts, 5 conjunts are in the unsatisfiable core [2020-10-15 23:46:23,099 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-15 23:46:23,116 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 23:46:23,117 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-15 23:46:23,117 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 7 [2020-10-15 23:46:23,117 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [689083754] [2020-10-15 23:46:23,118 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-15 23:46:23,118 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 23:46:23,118 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-15 23:46:23,118 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2020-10-15 23:46:23,121 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 343 out of 383 [2020-10-15 23:46:23,123 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 51 places, 47 transitions, 162 flow. Second operand 7 states. [2020-10-15 23:46:23,123 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-15 23:46:23,123 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 343 of 383 [2020-10-15 23:46:23,123 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-15 23:46:23,181 INFO L129 PetriNetUnfolder]: 9/86 cut-off events. [2020-10-15 23:46:23,181 INFO L130 PetriNetUnfolder]: For 61/61 co-relation queries the response was YES. [2020-10-15 23:46:23,181 INFO L80 FinitePrefix]: Finished finitePrefix Result has 154 conditions, 86 events. 9/86 cut-off events. For 61/61 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 79 event pairs, 0 based on Foata normal form. 1/79 useless extension candidates. Maximal degree in co-relation 145. Up to 11 conditions per place. [2020-10-15 23:46:23,182 INFO L132 encePairwiseOnDemand]: 379/383 looper letters, 10 selfloop transitions, 9 changer transitions 0/53 dead transitions. [2020-10-15 23:46:23,182 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 56 places, 53 transitions, 224 flow [2020-10-15 23:46:23,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-15 23:46:23,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-10-15 23:46:23,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2078 transitions. [2020-10-15 23:46:23,188 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.9042645778938208 [2020-10-15 23:46:23,188 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2078 transitions. [2020-10-15 23:46:23,188 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2078 transitions. [2020-10-15 23:46:23,190 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-15 23:46:23,190 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2078 transitions. [2020-10-15 23:46:23,193 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 7 states. [2020-10-15 23:46:23,196 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 7 states. [2020-10-15 23:46:23,197 INFO L81 ComplementDD]: Finished complementDD. Result 7 states. [2020-10-15 23:46:23,197 INFO L185 Difference]: Start difference. First operand has 51 places, 47 transitions, 162 flow. Second operand 6 states and 2078 transitions. [2020-10-15 23:46:23,197 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 56 places, 53 transitions, 224 flow [2020-10-15 23:46:23,199 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 53 places, 53 transitions, 206 flow, removed 4 selfloop flow, removed 3 redundant places. [2020-10-15 23:46:23,200 INFO L241 Difference]: Finished difference. Result has 54 places, 49 transitions, 188 flow [2020-10-15 23:46:23,200 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=383, PETRI_DIFFERENCE_MINUEND_FLOW=144, PETRI_DIFFERENCE_MINUEND_PLACES=48, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=47, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=38, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=188, PETRI_PLACES=54, PETRI_TRANSITIONS=49} [2020-10-15 23:46:23,200 INFO L342 CegarLoopForPetriNet]: 48 programPoint places, 6 predicate places. [2020-10-15 23:46:23,201 INFO L481 AbstractCegarLoop]: Abstraction has has 54 places, 49 transitions, 188 flow [2020-10-15 23:46:23,201 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-15 23:46:23,201 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-15 23:46:23,201 INFO L255 CegarLoopForPetriNet]: trace histogram [4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 23:46:23,414 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-15 23:46:23,415 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 23:46:23,415 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 23:46:23,415 INFO L82 PathProgramCache]: Analyzing trace with hash -480628003, now seen corresponding path program 4 times [2020-10-15 23:46:23,416 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 23:46:23,416 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2074998619] [2020-10-15 23:46:23,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 23:46:23,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 23:46:23,520 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 23:46:23,521 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2074998619] [2020-10-15 23:46:23,521 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [481243277] [2020-10-15 23:46:23,521 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST 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 [2020-10-15 23:46:23,743 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2020-10-15 23:46:23,743 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-10-15 23:46:23,745 INFO L263 TraceCheckSpWp]: Trace formula consists of 298 conjuncts, 6 conjunts are in the unsatisfiable core [2020-10-15 23:46:23,748 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-15 23:46:23,775 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 23:46:23,776 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-15 23:46:23,776 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 8 [2020-10-15 23:46:23,776 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [134575237] [2020-10-15 23:46:23,777 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-15 23:46:23,777 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 23:46:23,777 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-15 23:46:23,777 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2020-10-15 23:46:23,780 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 343 out of 383 [2020-10-15 23:46:23,782 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 54 places, 49 transitions, 188 flow. Second operand 8 states. [2020-10-15 23:46:23,782 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-15 23:46:23,782 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 343 of 383 [2020-10-15 23:46:23,782 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-15 23:46:23,852 INFO L129 PetriNetUnfolder]: 10/97 cut-off events. [2020-10-15 23:46:23,853 INFO L130 PetriNetUnfolder]: For 97/97 co-relation queries the response was YES. [2020-10-15 23:46:23,853 INFO L80 FinitePrefix]: Finished finitePrefix Result has 182 conditions, 97 events. 10/97 cut-off events. For 97/97 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 85 event pairs, 0 based on Foata normal form. 1/89 useless extension candidates. Maximal degree in co-relation 172. Up to 13 conditions per place. [2020-10-15 23:46:23,854 INFO L132 encePairwiseOnDemand]: 379/383 looper letters, 11 selfloop transitions, 11 changer transitions 0/56 dead transitions. [2020-10-15 23:46:23,854 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 60 places, 56 transitions, 262 flow [2020-10-15 23:46:23,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-15 23:46:23,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2020-10-15 23:46:23,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 2424 transitions. [2020-10-15 23:46:23,861 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.9041402461767997 [2020-10-15 23:46:23,861 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 2424 transitions. [2020-10-15 23:46:23,861 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 2424 transitions. [2020-10-15 23:46:23,863 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-15 23:46:23,863 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 2424 transitions. [2020-10-15 23:46:23,867 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 8 states. [2020-10-15 23:46:23,872 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 8 states. [2020-10-15 23:46:23,872 INFO L81 ComplementDD]: Finished complementDD. Result 8 states. [2020-10-15 23:46:23,872 INFO L185 Difference]: Start difference. First operand has 54 places, 49 transitions, 188 flow. Second operand 7 states and 2424 transitions. [2020-10-15 23:46:23,872 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 60 places, 56 transitions, 262 flow [2020-10-15 23:46:23,874 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 56 places, 56 transitions, 236 flow, removed 6 selfloop flow, removed 4 redundant places. [2020-10-15 23:46:23,876 INFO L241 Difference]: Finished difference. Result has 57 places, 51 transitions, 214 flow [2020-10-15 23:46:23,876 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=383, PETRI_DIFFERENCE_MINUEND_FLOW=162, PETRI_DIFFERENCE_MINUEND_PLACES=50, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=49, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=38, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=214, PETRI_PLACES=57, PETRI_TRANSITIONS=51} [2020-10-15 23:46:23,876 INFO L342 CegarLoopForPetriNet]: 48 programPoint places, 9 predicate places. [2020-10-15 23:46:23,876 INFO L481 AbstractCegarLoop]: Abstraction has has 57 places, 51 transitions, 214 flow [2020-10-15 23:46:23,876 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-15 23:46:23,877 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-15 23:46:23,877 INFO L255 CegarLoopForPetriNet]: trace histogram [5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 23:46:24,082 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-15 23:46:24,083 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 23:46:24,083 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 23:46:24,084 INFO L82 PathProgramCache]: Analyzing trace with hash -133673493, now seen corresponding path program 5 times [2020-10-15 23:46:24,084 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 23:46:24,084 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1187686344] [2020-10-15 23:46:24,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 23:46:24,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 23:46:24,173 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 0 proven. 75 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 23:46:24,173 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1187686344] [2020-10-15 23:46:24,174 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2127974026] [2020-10-15 23:46:24,174 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 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 [2020-10-15 23:46:24,304 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2020-10-15 23:46:24,305 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-10-15 23:46:24,306 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 37 conjunts are in the unsatisfiable core [2020-10-15 23:46:24,309 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-15 23:46:24,357 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2020-10-15 23:46:24,358 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-15 23:46:24,369 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 23:46:24,370 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-15 23:46:24,370 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:9 [2020-10-15 23:46:24,416 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 23:46:24,417 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 62 [2020-10-15 23:46:24,418 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-15 23:46:24,444 INFO L625 ElimStorePlain]: treesize reduction 24, result has 62.5 percent of original size [2020-10-15 23:46:24,448 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-15 23:46:24,461 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2020-10-15 23:46:24,461 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:30, output treesize:35 [2020-10-15 23:46:24,530 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-15 23:46:24,580 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 23:46:24,581 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 54 [2020-10-15 23:46:24,583 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-15 23:46:24,586 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-15 23:46:24,604 INFO L173 IndexEqualityManager]: detected equality via solver [2020-10-15 23:46:24,623 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 23:46:24,624 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 34 treesize of output 57 [2020-10-15 23:46:24,625 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-10-15 23:46:24,711 INFO L625 ElimStorePlain]: treesize reduction 50, result has 64.8 percent of original size [2020-10-15 23:46:24,719 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2020-10-15 23:46:24,719 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:96, output treesize:48 [2020-10-15 23:46:24,760 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-15 23:46:24,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-15 23:46:24,776 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 24 [2020-10-15 23:46:24,776 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-15 23:46:24,782 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2020-10-15 23:46:24,782 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-10-15 23:46:24,811 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 23:46:24,813 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2020-10-15 23:46:24,813 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:78, output treesize:48 [2020-10-15 23:46:24,878 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 13 [2020-10-15 23:46:24,885 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-15 23:46:24,894 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 23:46:24,894 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-15 23:46:24,895 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:47, output treesize:34 [2020-10-15 23:46:24,969 INFO L721 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2020-10-15 23:46:25,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-15 23:46:25,066 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 43 [2020-10-15 23:46:25,067 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-15 23:46:25,099 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 23:46:25,159 INFO L545 ElimStorePlain]: Start of recursive call 1: 6 dim-0 vars, 1 dim-2 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2020-10-15 23:46:25,159 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 7 variables, input treesize:103, output treesize:64 [2020-10-15 23:46:31,392 WARN L193 SmtUtils]: Spent 2.07 s on a formula simplification that was a NOOP. DAG size: 36 [2020-10-15 23:46:33,556 WARN L193 SmtUtils]: Spent 2.09 s on a formula simplification that was a NOOP. DAG size: 38 [2020-10-15 23:46:33,600 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 23:46:33,601 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 57 [2020-10-15 23:46:33,602 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-15 23:46:33,654 INFO L625 ElimStorePlain]: treesize reduction 30, result has 72.2 percent of original size [2020-10-15 23:46:33,664 INFO L545 ElimStorePlain]: Start of recursive call 1: 6 dim-0 vars, 1 dim-2 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2020-10-15 23:46:33,664 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 7 variables, input treesize:88, output treesize:64 [2020-10-15 23:46:35,803 WARN L193 SmtUtils]: Spent 2.09 s on a formula simplification that was a NOOP. DAG size: 36 [2020-10-15 23:46:35,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-15 23:46:35,852 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 24 [2020-10-15 23:46:35,853 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-15 23:46:35,877 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 23:46:35,889 INFO L545 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 1 dim-2 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2020-10-15 23:46:35,889 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 6 variables, input treesize:79, output treesize:64 [2020-10-15 23:46:35,933 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 63 proven. 8 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-10-15 23:46:35,933 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-15 23:46:35,933 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 12] total 18 [2020-10-15 23:46:35,933 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [918942819] [2020-10-15 23:46:35,935 INFO L461 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-10-15 23:46:35,935 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 23:46:35,935 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-10-15 23:46:35,936 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=242, Unknown=2, NotChecked=0, Total=306 [2020-10-15 23:46:35,940 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 207 out of 383 [2020-10-15 23:46:35,942 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 57 places, 51 transitions, 214 flow. Second operand 18 states. [2020-10-15 23:46:35,942 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-15 23:46:35,942 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 207 of 383 [2020-10-15 23:46:35,942 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-15 23:47:31,943 WARN L193 SmtUtils]: Spent 2.07 s on a formula simplification that was a NOOP. DAG size: 52 [2020-10-15 23:47:55,359 WARN L193 SmtUtils]: Spent 8.26 s on a formula simplification. DAG size of input: 71 DAG size of output: 68 [2020-10-15 23:48:30,374 WARN L193 SmtUtils]: Spent 4.16 s on a formula simplification. DAG size of input: 64 DAG size of output: 61 [2020-10-15 23:48:58,035 WARN L193 SmtUtils]: Spent 4.16 s on a formula simplification. DAG size of input: 63 DAG size of output: 57 [2020-10-15 23:50:12,867 WARN L193 SmtUtils]: Spent 2.06 s on a formula simplification that was a NOOP. DAG size: 51 [2020-10-15 23:50:37,730 WARN L193 SmtUtils]: Spent 8.25 s on a formula simplification. DAG size of input: 70 DAG size of output: 67 [2020-10-15 23:51:16,864 WARN L193 SmtUtils]: Spent 4.16 s on a formula simplification. DAG size of input: 63 DAG size of output: 60 [2020-10-15 23:51:41,567 WARN L193 SmtUtils]: Spent 4.17 s on a formula simplification. DAG size of input: 62 DAG size of output: 56 [2020-10-15 23:53:13,547 WARN L193 SmtUtils]: Spent 2.06 s on a formula simplification that was a NOOP. DAG size: 51 [2020-10-15 23:53:44,400 WARN L193 SmtUtils]: Spent 8.22 s on a formula simplification. DAG size of input: 70 DAG size of output: 67 [2020-10-15 23:54:21,349 WARN L193 SmtUtils]: Spent 4.15 s on a formula simplification. DAG size of input: 63 DAG size of output: 60 [2020-10-15 23:54:54,087 WARN L193 SmtUtils]: Spent 4.16 s on a formula simplification. DAG size of input: 62 DAG size of output: 56 [2020-10-15 23:56:30,060 WARN L193 SmtUtils]: Spent 2.06 s on a formula simplification that was a NOOP. DAG size: 52 [2020-10-15 23:57:03,038 WARN L193 SmtUtils]: Spent 8.23 s on a formula simplification. DAG size of input: 71 DAG size of output: 68 [2020-10-15 23:57:44,080 WARN L193 SmtUtils]: Spent 4.14 s on a formula simplification. DAG size of input: 64 DAG size of output: 61 [2020-10-15 23:58:14,652 WARN L193 SmtUtils]: Spent 4.14 s on a formula simplification. DAG size of input: 63 DAG size of output: 61 [2020-10-15 23:58:51,446 WARN L193 SmtUtils]: Spent 4.16 s on a formula simplification. DAG size of input: 63 DAG size of output: 57 [2020-10-16 00:00:33,572 WARN L193 SmtUtils]: Spent 2.05 s on a formula simplification that was a NOOP. DAG size: 50 Received shutdown request... [2020-10-16 00:00:53,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2020-10-16 00:00:54,169 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-16 00:00:54,170 WARN L546 AbstractCegarLoop]: Verification canceled [2020-10-16 00:00:54,175 WARN L235 ceAbstractionStarter]: Timeout [2020-10-16 00:00:54,175 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.10 12:00:54 BasicIcfg [2020-10-16 00:00:54,175 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-16 00:00:54,177 INFO L168 Benchmark]: Toolchain (without parser) took 885307.57 ms. Allocated memory was 250.6 MB in the beginning and 508.6 MB in the end (delta: 257.9 MB). Free memory was 205.7 MB in the beginning and 278.1 MB in the end (delta: -72.5 MB). Peak memory consumption was 185.5 MB. Max. memory is 14.2 GB. [2020-10-16 00:00:54,178 INFO L168 Benchmark]: CDTParser took 0.40 ms. Allocated memory is still 250.6 MB. Free memory was 228.7 MB in the beginning and 227.8 MB in the end (delta: 839.0 kB). Peak memory consumption was 839.0 kB. Max. memory is 14.2 GB. [2020-10-16 00:00:54,178 INFO L168 Benchmark]: CACSL2BoogieTranslator took 890.50 ms. Allocated memory was 250.6 MB in the beginning and 310.4 MB in the end (delta: 59.8 MB). Free memory was 204.8 MB in the beginning and 238.4 MB in the end (delta: -33.5 MB). Peak memory consumption was 36.3 MB. Max. memory is 14.2 GB. [2020-10-16 00:00:54,179 INFO L168 Benchmark]: Boogie Procedure Inliner took 131.30 ms. Allocated memory is still 310.4 MB. Free memory was 238.4 MB in the beginning and 235.0 MB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 14.2 GB. [2020-10-16 00:00:54,180 INFO L168 Benchmark]: Boogie Preprocessor took 90.66 ms. Allocated memory is still 310.4 MB. Free memory was 235.0 MB in the beginning and 232.4 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 14.2 GB. [2020-10-16 00:00:54,180 INFO L168 Benchmark]: RCFGBuilder took 929.43 ms. Allocated memory is still 310.4 MB. Free memory was 232.4 MB in the beginning and 189.9 MB in the end (delta: 42.6 MB). Peak memory consumption was 42.6 MB. Max. memory is 14.2 GB. [2020-10-16 00:00:54,181 INFO L168 Benchmark]: TraceAbstraction took 883259.84 ms. Allocated memory was 310.4 MB in the beginning and 508.6 MB in the end (delta: 198.2 MB). Free memory was 189.9 MB in the beginning and 278.1 MB in the end (delta: -88.3 MB). Peak memory consumption was 109.9 MB. Max. memory is 14.2 GB. [2020-10-16 00:00:54,184 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40 ms. Allocated memory is still 250.6 MB. Free memory was 228.7 MB in the beginning and 227.8 MB in the end (delta: 839.0 kB). Peak memory consumption was 839.0 kB. Max. memory is 14.2 GB. * CACSL2BoogieTranslator took 890.50 ms. Allocated memory was 250.6 MB in the beginning and 310.4 MB in the end (delta: 59.8 MB). Free memory was 204.8 MB in the beginning and 238.4 MB in the end (delta: -33.5 MB). Peak memory consumption was 36.3 MB. Max. memory is 14.2 GB. * Boogie Procedure Inliner took 131.30 ms. Allocated memory is still 310.4 MB. Free memory was 238.4 MB in the beginning and 235.0 MB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 14.2 GB. * Boogie Preprocessor took 90.66 ms. Allocated memory is still 310.4 MB. Free memory was 235.0 MB in the beginning and 232.4 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 14.2 GB. * RCFGBuilder took 929.43 ms. Allocated memory is still 310.4 MB. Free memory was 232.4 MB in the beginning and 189.9 MB in the end (delta: 42.6 MB). Peak memory consumption was 42.6 MB. Max. memory is 14.2 GB. * TraceAbstraction took 883259.84 ms. Allocated memory was 310.4 MB in the beginning and 508.6 MB in the end (delta: 198.2 MB). Free memory was 189.9 MB in the beginning and 278.1 MB in the end (delta: -88.3 MB). Peak memory consumption was 109.9 MB. Max. memory is 14.2 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 6269 VarBasedMoverChecksPositive, 137 VarBasedMoverChecksNegative, 13 SemBasedMoverChecksPositive, 124 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.7s, 511 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 8.9s, 185 PlacesBefore, 48 PlacesAfterwards, 192 TransitionsBefore, 49 TransitionsAfterwards, 9440 CoEnabledTransitionPairs, 8 FixpointIterations, 56 TrivialSequentialCompositions, 95 ConcurrentSequentialCompositions, 4 TrivialYvCompositions, 18 ConcurrentYvCompositions, 6 ChoiceCompositions, 179 TotalNumberOfCompositions, 21968 MoverChecksTotal - TimeoutResultAtElement [Line: 1030]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 1030). Cancelled while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 81 known predicates. - TimeoutResultAtElement [Line: 1014]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 1014). Cancelled while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 81 known predicates. - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 190 locations, 2 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: TIMEOUT, OverallTime: 882.9s, OverallIterations: 9, TraceHistogramMax: 5, AutomataDifference: 858.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 9.1s, HoareTripleCheckerStatistics: 40 SDtfs, 363 SDslu, 45 SDs, 0 SdLazy, 700 SolverSat, 212 SolverUnsat, 185 SolverUnknown, 0 SolverNotchecked, 368.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 361 GetRequests, 258 SyntacticMatches, 2 SemanticMatches, 100 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2452 ImplicationChecksByTransitivity, 481.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=214occurred in iteration=8, 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, 1.1s SatisfiabilityAnalysisTime, 12.3s InterpolantComputationTime, 465 NumberOfCodeBlocks, 438 NumberOfCodeBlocksAsserted, 22 NumberOfCheckSat, 451 ConstructedInterpolants, 5 QuantifiedInterpolants, 69945 SizeOfPredicates, 29 NumberOfNonLiveVariables, 1128 ConjunctsInSsa, 55 ConjunctsInUnsatCore, 14 InterpolantComputations, 4 PerfectInterpolantSequences, 67/310 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