/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/mcr/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-McrAutomaton-WP.epf -i ../../../trunk/examples/svcomp/pthread/queue_longer.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-1d1d2b5 [2020-10-21 23:38:18,562 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-21 23:38:18,565 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-21 23:38:18,590 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-21 23:38:18,591 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-21 23:38:18,592 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-21 23:38:18,593 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-21 23:38:18,595 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-21 23:38:18,596 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-21 23:38:18,597 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-21 23:38:18,598 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-21 23:38:18,599 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-21 23:38:18,599 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-21 23:38:18,600 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-21 23:38:18,601 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-21 23:38:18,602 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-21 23:38:18,603 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-21 23:38:18,604 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-21 23:38:18,605 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-21 23:38:18,607 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-21 23:38:18,609 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-21 23:38:18,610 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-21 23:38:18,611 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-21 23:38:18,612 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-21 23:38:18,614 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-21 23:38:18,614 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-21 23:38:18,615 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-21 23:38:18,616 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-21 23:38:18,616 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-21 23:38:18,617 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-21 23:38:18,617 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-21 23:38:18,618 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-21 23:38:18,618 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-21 23:38:18,621 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-21 23:38:18,622 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-21 23:38:18,622 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-21 23:38:18,623 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-21 23:38:18,623 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-21 23:38:18,623 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-21 23:38:18,625 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-21 23:38:18,626 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-21 23:38:18,626 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/mcr/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-McrAutomaton-WP.epf [2020-10-21 23:38:18,672 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-21 23:38:18,673 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-21 23:38:18,677 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-21 23:38:18,677 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-21 23:38:18,678 INFO L138 SettingsManager]: * Use SBE=true [2020-10-21 23:38:18,678 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-21 23:38:18,678 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-21 23:38:18,678 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-21 23:38:18,678 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-21 23:38:18,679 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-21 23:38:18,679 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-21 23:38:18,683 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-21 23:38:18,683 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-21 23:38:18,683 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-21 23:38:18,683 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-21 23:38:18,683 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-21 23:38:18,684 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-21 23:38:18,684 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-21 23:38:18,684 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-21 23:38:18,684 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-21 23:38:18,684 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-21 23:38:18,685 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-21 23:38:18,685 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-21 23:38:18,685 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2020-10-21 23:38:18,685 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-21 23:38:18,686 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-21 23:38:18,686 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-21 23:38:18,686 INFO L138 SettingsManager]: * Override the interpolant automaton setting of the refinement strategy=true [2020-10-21 23:38:18,686 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2020-10-21 23:38:18,686 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-21 23:38:18,687 INFO L138 SettingsManager]: * Interpolant automaton=MCR [2020-10-21 23:38:19,020 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-21 23:38:19,036 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-21 23:38:19,040 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-21 23:38:19,042 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-21 23:38:19,044 INFO L275 PluginConnector]: CDTParser initialized [2020-10-21 23:38:19,046 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread/queue_longer.i [2020-10-21 23:38:19,119 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7fb1d421b/475f3c41989647ecaea5effbb165c681/FLAG3faf2c67b [2020-10-21 23:38:19,713 INFO L306 CDTParser]: Found 1 translation units. [2020-10-21 23:38:19,714 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/queue_longer.i [2020-10-21 23:38:19,731 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7fb1d421b/475f3c41989647ecaea5effbb165c681/FLAG3faf2c67b [2020-10-21 23:38:19,911 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7fb1d421b/475f3c41989647ecaea5effbb165c681 [2020-10-21 23:38:19,919 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-21 23:38:19,927 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-21 23:38:19,928 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-21 23:38:19,928 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-21 23:38:19,932 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-21 23:38:19,933 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 11:38:19" (1/1) ... [2020-10-21 23:38:19,936 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4747f36f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 11:38:19, skipping insertion in model container [2020-10-21 23:38:19,936 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 11:38:19" (1/1) ... [2020-10-21 23:38:19,944 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-21 23:38:20,014 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-21 23:38:20,592 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-21 23:38:20,611 INFO L203 MainTranslator]: Completed pre-run [2020-10-21 23:38:20,750 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-21 23:38:20,965 INFO L208 MainTranslator]: Completed translation [2020-10-21 23:38:20,966 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 11:38:20 WrapperNode [2020-10-21 23:38:20,967 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-21 23:38:20,968 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-21 23:38:20,968 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-21 23:38:20,968 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-21 23:38:20,978 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 11:38:20" (1/1) ... [2020-10-21 23:38:21,018 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 11:38:20" (1/1) ... [2020-10-21 23:38:21,055 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-21 23:38:21,056 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-21 23:38:21,056 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-21 23:38:21,056 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-21 23:38:21,071 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 11:38:20" (1/1) ... [2020-10-21 23:38:21,071 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 11:38:20" (1/1) ... [2020-10-21 23:38:21,078 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 11:38:20" (1/1) ... [2020-10-21 23:38:21,079 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 11:38:20" (1/1) ... [2020-10-21 23:38:21,094 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 11:38:20" (1/1) ... [2020-10-21 23:38:21,100 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 11:38:20" (1/1) ... [2020-10-21 23:38:21,103 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 11:38:20" (1/1) ... [2020-10-21 23:38:21,108 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-21 23:38:21,109 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-21 23:38:21,109 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-21 23:38:21,110 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-21 23:38:21,111 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 11:38:20" (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 [2020-10-21 23:38:21,187 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2020-10-21 23:38:21,187 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2020-10-21 23:38:21,187 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2020-10-21 23:38:21,188 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2020-10-21 23:38:21,188 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-21 23:38:21,188 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-21 23:38:21,189 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-21 23:38:21,190 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-21 23:38:21,191 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2020-10-21 23:38:21,191 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-21 23:38:21,191 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-21 23:38:21,191 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-21 23:38:21,193 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-10-21 23:38:21,900 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-21 23:38:21,901 INFO L298 CfgBuilder]: Removed 24 assume(true) statements. [2020-10-21 23:38:21,903 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 11:38:21 BoogieIcfgContainer [2020-10-21 23:38:21,903 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-21 23:38:21,905 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-21 23:38:21,905 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-21 23:38:21,908 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-21 23:38:21,909 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.10 11:38:19" (1/3) ... [2020-10-21 23:38:21,910 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a92cb51 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.10 11:38:21, skipping insertion in model container [2020-10-21 23:38:21,910 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 11:38:20" (2/3) ... [2020-10-21 23:38:21,910 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a92cb51 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.10 11:38:21, skipping insertion in model container [2020-10-21 23:38:21,910 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 11:38:21" (3/3) ... [2020-10-21 23:38:21,912 INFO L111 eAbstractionObserver]: Analyzing ICFG queue_longer.i [2020-10-21 23:38:21,925 WARN L153 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-21 23:38:21,925 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-21 23:38:21,934 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-10-21 23:38:21,935 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-21 23:38:21,979 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:21,979 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:21,980 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:21,980 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:21,980 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:21,980 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:21,981 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:21,981 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:21,981 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:21,981 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:21,981 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:21,982 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:21,982 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:21,982 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:21,982 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:21,982 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:21,983 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:21,983 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:21,983 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:21,983 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:21,983 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:21,983 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:21,984 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:21,984 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:21,984 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:21,984 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:21,984 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:21,984 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:21,985 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:21,985 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:21,985 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:21,985 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:21,985 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:21,986 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:21,986 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:21,986 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:21,986 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:21,986 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:21,986 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:21,987 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:21,987 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:21,987 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:21,987 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:21,987 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:21,988 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:21,988 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:21,988 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:21,988 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:21,988 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:21,989 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:21,989 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:21,989 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:21,989 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:21,990 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:21,990 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:21,990 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:21,990 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:21,990 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:21,990 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:21,991 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:21,991 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:21,991 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:21,991 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:21,991 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:21,992 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:21,992 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:21,992 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:21,992 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:21,992 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:21,993 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:21,993 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:21,993 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:21,993 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:21,994 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:21,994 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:21,994 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:21,994 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:21,994 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:21,994 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:21,995 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:21,995 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:21,995 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:21,996 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:21,996 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:21,996 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:21,996 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#t~mem33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:21,996 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:21,997 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:21,997 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:21,997 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:21,997 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:21,997 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:21,997 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:21,998 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:21,998 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:21,998 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:21,998 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#t~mem33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:21,998 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:21,999 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:21,999 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:21,999 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#t~mem33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:21,999 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:21,999 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#t~mem33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:22,000 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:22,000 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#t~mem33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:22,000 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#t~mem33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:22,000 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:22,001 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:22,001 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:22,001 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:22,001 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:22,001 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:22,002 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:22,002 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:22,002 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:22,002 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:22,002 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:22,003 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:22,003 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:22,003 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:22,003 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:22,004 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:22,004 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:22,004 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:22,004 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:22,004 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:22,005 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:22,005 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:22,005 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:22,005 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~post57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:22,005 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:22,005 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~post57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:22,006 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:22,006 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:22,006 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:22,006 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:22,006 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:22,007 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~post57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:22,007 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:22,007 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:22,007 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:22,007 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:22,007 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:22,008 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:22,008 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:22,008 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:22,008 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:22,008 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:22,008 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:22,009 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:22,009 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:22,009 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:22,009 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:22,009 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:22,010 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:22,010 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:22,010 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:22,010 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:22,010 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:22,010 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:22,011 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:22,011 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:22,014 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:22,014 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:22,014 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:22,015 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:22,015 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:22,015 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:22,015 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:22,015 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:22,015 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:22,016 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:22,016 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:22,016 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:22,016 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:22,016 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:22,017 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:22,017 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:22,017 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:22,017 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:22,017 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:22,017 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:22,018 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:22,018 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:22,018 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:22,018 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:22,018 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:22,019 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:22,019 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:22,019 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:22,019 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:22,019 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:22,019 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:22,020 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:22,020 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:22,020 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:22,020 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:22,020 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:22,022 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:22,022 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:22,022 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:22,022 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:22,023 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:22,023 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:22,023 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:22,023 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:22,024 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:22,024 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:22,024 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~nondet62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:22,024 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~nondet62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:22,025 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:22,025 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:22,025 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:22,025 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:22,025 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~post61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:22,026 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:22,026 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:22,026 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:22,026 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:22,026 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:22,026 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:22,026 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~post52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:22,027 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:22,027 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:22,027 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:22,027 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~post61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:22,027 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:22,028 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:22,028 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:22,028 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:22,028 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:22,029 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~post61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:22,029 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:22,029 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:22,029 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:22,029 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:22,029 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:22,030 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:22,030 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:22,030 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:22,030 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:22,030 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:22,031 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:22,031 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:22,031 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:22,031 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:22,031 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:22,032 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:22,033 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:22,033 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:22,033 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:22,033 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:22,034 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:22,034 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:22,034 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:22,034 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:22,034 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:22,035 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:22,035 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:22,035 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:22,035 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:22,035 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:22,035 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:22,036 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:22,036 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:22,036 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:22,036 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:22,036 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:22,037 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:22,037 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~post52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:22,037 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:22,037 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:22,037 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:22,037 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~post52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:22,038 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:22,038 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:22,038 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:22,038 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:22,039 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~mem64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:22,039 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~post52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:22,039 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:22,039 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~mem64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:22,039 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:22,039 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~mem64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:22,040 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:22,040 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:22,040 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~mem64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:22,040 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~mem64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:22,040 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:22,040 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:22,041 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:22,041 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:22,045 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:22,046 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~post61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:22,046 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:22,046 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:22,046 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:22,047 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:22,047 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:22,047 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:22,047 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:22,047 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:22,048 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:22,048 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~post52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:22,048 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:22,048 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:22,048 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:22,048 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~nondet62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:22,049 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:22,049 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:22,049 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:22,049 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:22,049 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:22,050 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:22,050 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:22,050 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~mem64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:22,057 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:22,057 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:22,058 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:22,058 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:22,058 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:22,058 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:22,058 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:22,059 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:22,059 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:22,059 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:22,059 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:22,059 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:22,059 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:22,060 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:22,060 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:22,060 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:22,060 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:22,060 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:22,061 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:22,061 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:22,061 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:22,061 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:22,061 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:22,061 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:22,062 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:22,062 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:22,062 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~post57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:22,062 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:22,062 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:22,063 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:22,063 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#t~mem33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:22,063 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:22,063 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:22,063 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:22,064 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:22,064 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:22,064 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 23:38:22,071 INFO L149 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2020-10-21 23:38:22,086 INFO L253 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2020-10-21 23:38:22,109 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-21 23:38:22,110 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-21 23:38:22,110 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-21 23:38:22,110 INFO L380 AbstractCegarLoop]: Backedges is MCR [2020-10-21 23:38:22,110 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-21 23:38:22,110 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-21 23:38:22,111 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-21 23:38:22,111 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-21 23:38:22,134 INFO L137 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2020-10-21 23:38:22,135 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 250 places, 263 transitions, 548 flow [2020-10-21 23:38:22,138 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 250 places, 263 transitions, 548 flow [2020-10-21 23:38:22,140 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 250 places, 263 transitions, 548 flow [2020-10-21 23:38:22,281 INFO L129 PetriNetUnfolder]: 19/263 cut-off events. [2020-10-21 23:38:22,281 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2020-10-21 23:38:22,295 INFO L80 FinitePrefix]: Finished finitePrefix Result has 274 conditions, 263 events. 19/263 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 434 event pairs, 0 based on Foata normal form. 0/242 useless extension candidates. Maximal degree in co-relation 189. Up to 3 conditions per place. [2020-10-21 23:38:22,313 INFO L116 LiptonReduction]: Number of co-enabled transitions 16756 [2020-10-21 23:38:25,670 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 72 [2020-10-21 23:38:25,789 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2020-10-21 23:38:26,351 WARN L193 SmtUtils]: Spent 420.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 105 [2020-10-21 23:38:26,525 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2020-10-21 23:38:28,394 WARN L193 SmtUtils]: Spent 1.64 s on a formula simplification. DAG size of input: 158 DAG size of output: 152 [2020-10-21 23:38:28,989 WARN L193 SmtUtils]: Spent 584.00 ms on a formula simplification that was a NOOP. DAG size: 144 [2020-10-21 23:38:29,075 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-21 23:38:32,690 WARN L193 SmtUtils]: Spent 3.53 s on a formula simplification. DAG size of input: 188 DAG size of output: 178 [2020-10-21 23:38:33,643 WARN L193 SmtUtils]: Spent 948.00 ms on a formula simplification that was a NOOP. DAG size: 173 [2020-10-21 23:38:33,661 INFO L131 LiptonReduction]: Checked pairs total: 41140 [2020-10-21 23:38:33,661 INFO L133 LiptonReduction]: Total number of compositions: 231 [2020-10-21 23:38:33,670 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 70 places, 76 transitions, 174 flow [2020-10-21 23:38:33,776 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 1461 states. [2020-10-21 23:38:33,778 INFO L276 IsEmpty]: Start isEmpty. Operand 1461 states. [2020-10-21 23:38:33,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2 [2020-10-21 23:38:33,787 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 23:38:33,787 INFO L422 BasicCegarLoop]: trace histogram [1] [2020-10-21 23:38:33,788 INFO L429 AbstractCegarLoop]: === Iteration 1 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 23:38:33,793 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 23:38:33,794 INFO L82 PathProgramCache]: Analyzing trace with hash 1044, now seen corresponding path program 1 times [2020-10-21 23:38:33,811 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 23:38:33,811 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [170462525] [2020-10-21 23:38:33,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 23:38:33,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 23:38:33,923 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 23:38:33,924 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [170462525] [2020-10-21 23:38:33,925 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 23:38:33,925 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2020-10-21 23:38:33,926 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1121658310] [2020-10-21 23:38:33,927 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-21 23:38:33,930 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-21 23:38:33,938 INFO L252 McrAutomatonBuilder]: Finished intersection with 2 states and 1 transitions. [2020-10-21 23:38:33,938 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-21 23:38:33,942 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-21 23:38:33,943 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-21 23:38:33,943 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 23:38:33,958 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-21 23:38:33,959 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-21 23:38:33,961 INFO L87 Difference]: Start difference. First operand 1461 states. Second operand 2 states. [2020-10-21 23:38:34,036 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 23:38:34,036 INFO L93 Difference]: Finished difference Result 1460 states and 3846 transitions. [2020-10-21 23:38:34,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-21 23:38:34,038 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 1 [2020-10-21 23:38:34,038 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 23:38:34,081 INFO L225 Difference]: With dead ends: 1460 [2020-10-21 23:38:34,081 INFO L226 Difference]: Without dead ends: 1295 [2020-10-21 23:38:34,083 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-21 23:38:34,112 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1295 states. [2020-10-21 23:38:34,227 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1295 to 1295. [2020-10-21 23:38:34,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1295 states. [2020-10-21 23:38:34,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1295 states to 1295 states and 3440 transitions. [2020-10-21 23:38:34,238 INFO L78 Accepts]: Start accepts. Automaton has 1295 states and 3440 transitions. Word has length 1 [2020-10-21 23:38:34,238 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 23:38:34,238 INFO L481 AbstractCegarLoop]: Abstraction has 1295 states and 3440 transitions. [2020-10-21 23:38:34,239 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-21 23:38:34,239 INFO L276 IsEmpty]: Start isEmpty. Operand 1295 states and 3440 transitions. [2020-10-21 23:38:34,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-10-21 23:38:34,242 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 23:38:34,243 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-21 23:38:34,246 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-21 23:38:34,246 INFO L429 AbstractCegarLoop]: === Iteration 2 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 23:38:34,246 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 23:38:34,246 INFO L82 PathProgramCache]: Analyzing trace with hash -1681910440, now seen corresponding path program 1 times [2020-10-21 23:38:34,249 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 23:38:34,250 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [241830470] [2020-10-21 23:38:34,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 23:38:34,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 23:38:34,430 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 23:38:34,431 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [241830470] [2020-10-21 23:38:34,431 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 23:38:34,431 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-21 23:38:34,431 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1835947850] [2020-10-21 23:38:34,432 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-21 23:38:34,434 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-21 23:38:34,438 INFO L252 McrAutomatonBuilder]: Finished intersection with 12 states and 11 transitions. [2020-10-21 23:38:34,439 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-21 23:38:34,439 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-21 23:38:34,440 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-21 23:38:34,441 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 23:38:34,441 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-21 23:38:34,442 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-21 23:38:34,442 INFO L87 Difference]: Start difference. First operand 1295 states and 3440 transitions. Second operand 3 states. [2020-10-21 23:38:34,472 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 23:38:34,472 INFO L93 Difference]: Finished difference Result 1295 states and 3395 transitions. [2020-10-21 23:38:34,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-21 23:38:34,473 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 11 [2020-10-21 23:38:34,473 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 23:38:34,486 INFO L225 Difference]: With dead ends: 1295 [2020-10-21 23:38:34,486 INFO L226 Difference]: Without dead ends: 1295 [2020-10-21 23:38:34,488 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-21 23:38:34,495 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1295 states. [2020-10-21 23:38:34,536 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1295 to 1295. [2020-10-21 23:38:34,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1295 states. [2020-10-21 23:38:34,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1295 states to 1295 states and 3395 transitions. [2020-10-21 23:38:34,543 INFO L78 Accepts]: Start accepts. Automaton has 1295 states and 3395 transitions. Word has length 11 [2020-10-21 23:38:34,543 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 23:38:34,543 INFO L481 AbstractCegarLoop]: Abstraction has 1295 states and 3395 transitions. [2020-10-21 23:38:34,543 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-21 23:38:34,543 INFO L276 IsEmpty]: Start isEmpty. Operand 1295 states and 3395 transitions. [2020-10-21 23:38:34,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-10-21 23:38:34,555 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 23:38:34,555 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-21 23:38:34,555 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-21 23:38:34,555 INFO L429 AbstractCegarLoop]: === Iteration 3 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 23:38:34,556 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 23:38:34,556 INFO L82 PathProgramCache]: Analyzing trace with hash -1407246274, now seen corresponding path program 1 times [2020-10-21 23:38:34,557 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 23:38:34,558 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1034001584] [2020-10-21 23:38:34,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 23:38:34,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 23:38:35,003 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 23:38:35,004 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1034001584] [2020-10-21 23:38:35,004 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 23:38:35,004 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-21 23:38:35,004 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1658350725] [2020-10-21 23:38:35,004 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-21 23:38:35,007 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-21 23:38:35,009 INFO L252 McrAutomatonBuilder]: Finished intersection with 14 states and 13 transitions. [2020-10-21 23:38:35,009 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-21 23:38:35,010 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-21 23:38:35,010 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-21 23:38:35,010 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 23:38:35,011 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-21 23:38:35,011 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-21 23:38:35,011 INFO L87 Difference]: Start difference. First operand 1295 states and 3395 transitions. Second operand 5 states. [2020-10-21 23:38:35,473 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 23:38:35,474 INFO L93 Difference]: Finished difference Result 1294 states and 3392 transitions. [2020-10-21 23:38:35,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-21 23:38:35,475 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 13 [2020-10-21 23:38:35,475 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 23:38:35,483 INFO L225 Difference]: With dead ends: 1294 [2020-10-21 23:38:35,484 INFO L226 Difference]: Without dead ends: 1294 [2020-10-21 23:38:35,485 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-21 23:38:35,490 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1294 states. [2020-10-21 23:38:35,516 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1294 to 1294. [2020-10-21 23:38:35,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1294 states. [2020-10-21 23:38:35,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1294 states to 1294 states and 3392 transitions. [2020-10-21 23:38:35,523 INFO L78 Accepts]: Start accepts. Automaton has 1294 states and 3392 transitions. Word has length 13 [2020-10-21 23:38:35,523 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 23:38:35,523 INFO L481 AbstractCegarLoop]: Abstraction has 1294 states and 3392 transitions. [2020-10-21 23:38:35,523 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-21 23:38:35,523 INFO L276 IsEmpty]: Start isEmpty. Operand 1294 states and 3392 transitions. [2020-10-21 23:38:35,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-10-21 23:38:35,525 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 23:38:35,525 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-21 23:38:35,526 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-21 23:38:35,526 INFO L429 AbstractCegarLoop]: === Iteration 4 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 23:38:35,526 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 23:38:35,526 INFO L82 PathProgramCache]: Analyzing trace with hash 1823525994, now seen corresponding path program 1 times [2020-10-21 23:38:35,528 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 23:38:35,529 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [597440913] [2020-10-21 23:38:35,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 23:38:35,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 23:38:35,828 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 32 [2020-10-21 23:38:35,924 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 23:38:35,925 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [597440913] [2020-10-21 23:38:35,925 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 23:38:35,925 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-21 23:38:35,926 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1090197944] [2020-10-21 23:38:35,926 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-21 23:38:35,928 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-21 23:38:35,931 INFO L252 McrAutomatonBuilder]: Finished intersection with 15 states and 14 transitions. [2020-10-21 23:38:35,931 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-21 23:38:35,932 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-21 23:38:35,932 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-21 23:38:35,932 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 23:38:35,932 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-21 23:38:35,933 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-21 23:38:35,933 INFO L87 Difference]: Start difference. First operand 1294 states and 3392 transitions. Second operand 6 states. [2020-10-21 23:38:36,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 23:38:36,446 INFO L93 Difference]: Finished difference Result 1477 states and 3851 transitions. [2020-10-21 23:38:36,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-21 23:38:36,447 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 14 [2020-10-21 23:38:36,447 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 23:38:36,456 INFO L225 Difference]: With dead ends: 1477 [2020-10-21 23:38:36,456 INFO L226 Difference]: Without dead ends: 1477 [2020-10-21 23:38:36,457 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-21 23:38:36,463 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1477 states. [2020-10-21 23:38:36,495 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1477 to 1429. [2020-10-21 23:38:36,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1429 states. [2020-10-21 23:38:36,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1429 states to 1429 states and 3731 transitions. [2020-10-21 23:38:36,501 INFO L78 Accepts]: Start accepts. Automaton has 1429 states and 3731 transitions. Word has length 14 [2020-10-21 23:38:36,501 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 23:38:36,501 INFO L481 AbstractCegarLoop]: Abstraction has 1429 states and 3731 transitions. [2020-10-21 23:38:36,502 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-21 23:38:36,502 INFO L276 IsEmpty]: Start isEmpty. Operand 1429 states and 3731 transitions. [2020-10-21 23:38:36,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-10-21 23:38:36,503 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 23:38:36,503 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-21 23:38:36,503 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-21 23:38:36,504 INFO L429 AbstractCegarLoop]: === Iteration 5 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 23:38:36,504 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 23:38:36,504 INFO L82 PathProgramCache]: Analyzing trace with hash -1258707458, now seen corresponding path program 2 times [2020-10-21 23:38:36,505 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 23:38:36,506 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1400272508] [2020-10-21 23:38:36,506 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 23:38:36,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 23:38:36,732 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 32 [2020-10-21 23:38:36,821 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 23:38:36,821 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1400272508] [2020-10-21 23:38:36,822 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 23:38:36,822 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-21 23:38:36,822 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1184125043] [2020-10-21 23:38:36,822 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-21 23:38:36,825 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-21 23:38:36,828 INFO L252 McrAutomatonBuilder]: Finished intersection with 15 states and 14 transitions. [2020-10-21 23:38:36,828 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-21 23:38:36,829 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-21 23:38:36,829 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-21 23:38:36,829 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 23:38:36,829 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-21 23:38:36,830 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-21 23:38:36,830 INFO L87 Difference]: Start difference. First operand 1429 states and 3731 transitions. Second operand 6 states. [2020-10-21 23:38:37,408 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 23:38:37,408 INFO L93 Difference]: Finished difference Result 1531 states and 3986 transitions. [2020-10-21 23:38:37,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-21 23:38:37,409 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 14 [2020-10-21 23:38:37,409 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 23:38:37,418 INFO L225 Difference]: With dead ends: 1531 [2020-10-21 23:38:37,418 INFO L226 Difference]: Without dead ends: 1531 [2020-10-21 23:38:37,419 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-21 23:38:37,426 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1531 states. [2020-10-21 23:38:37,458 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1531 to 1417. [2020-10-21 23:38:37,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1417 states. [2020-10-21 23:38:37,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1417 states to 1417 states and 3700 transitions. [2020-10-21 23:38:37,464 INFO L78 Accepts]: Start accepts. Automaton has 1417 states and 3700 transitions. Word has length 14 [2020-10-21 23:38:37,465 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 23:38:37,465 INFO L481 AbstractCegarLoop]: Abstraction has 1417 states and 3700 transitions. [2020-10-21 23:38:37,465 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-21 23:38:37,465 INFO L276 IsEmpty]: Start isEmpty. Operand 1417 states and 3700 transitions. [2020-10-21 23:38:37,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-10-21 23:38:37,466 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 23:38:37,466 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-21 23:38:37,466 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-21 23:38:37,467 INFO L429 AbstractCegarLoop]: === Iteration 6 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 23:38:37,467 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 23:38:37,467 INFO L82 PathProgramCache]: Analyzing trace with hash 1202353470, now seen corresponding path program 1 times [2020-10-21 23:38:37,468 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 23:38:37,469 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1977812000] [2020-10-21 23:38:37,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 23:38:37,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 23:38:37,795 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 36 [2020-10-21 23:38:38,138 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 23:38:38,139 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1977812000] [2020-10-21 23:38:38,139 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 23:38:38,139 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-21 23:38:38,140 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [600397773] [2020-10-21 23:38:38,140 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-21 23:38:38,142 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-21 23:38:38,145 INFO L252 McrAutomatonBuilder]: Finished intersection with 15 states and 14 transitions. [2020-10-21 23:38:38,145 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-21 23:38:38,145 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-21 23:38:38,145 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-21 23:38:38,146 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 23:38:38,146 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-21 23:38:38,146 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-10-21 23:38:38,146 INFO L87 Difference]: Start difference. First operand 1417 states and 3700 transitions. Second operand 10 states. [2020-10-21 23:38:38,444 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 43 [2020-10-21 23:38:39,112 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 23:38:39,112 INFO L93 Difference]: Finished difference Result 1422 states and 3711 transitions. [2020-10-21 23:38:39,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-21 23:38:39,113 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 14 [2020-10-21 23:38:39,114 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 23:38:39,122 INFO L225 Difference]: With dead ends: 1422 [2020-10-21 23:38:39,122 INFO L226 Difference]: Without dead ends: 1422 [2020-10-21 23:38:39,122 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=41, Invalid=141, Unknown=0, NotChecked=0, Total=182 [2020-10-21 23:38:39,128 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1422 states. [2020-10-21 23:38:39,152 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1422 to 1415. [2020-10-21 23:38:39,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1415 states. [2020-10-21 23:38:39,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1415 states to 1415 states and 3696 transitions. [2020-10-21 23:38:39,158 INFO L78 Accepts]: Start accepts. Automaton has 1415 states and 3696 transitions. Word has length 14 [2020-10-21 23:38:39,158 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 23:38:39,158 INFO L481 AbstractCegarLoop]: Abstraction has 1415 states and 3696 transitions. [2020-10-21 23:38:39,158 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-21 23:38:39,158 INFO L276 IsEmpty]: Start isEmpty. Operand 1415 states and 3696 transitions. [2020-10-21 23:38:39,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-10-21 23:38:39,159 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 23:38:39,159 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-21 23:38:39,159 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-21 23:38:39,160 INFO L429 AbstractCegarLoop]: === Iteration 7 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 23:38:39,160 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 23:38:39,160 INFO L82 PathProgramCache]: Analyzing trace with hash -1065040354, now seen corresponding path program 1 times [2020-10-21 23:38:39,161 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 23:38:39,161 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1682001246] [2020-10-21 23:38:39,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 23:38:39,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 23:38:39,204 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 23:38:39,204 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1682001246] [2020-10-21 23:38:39,205 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 23:38:39,205 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-21 23:38:39,205 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1361636153] [2020-10-21 23:38:39,205 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-21 23:38:39,207 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-21 23:38:39,210 INFO L252 McrAutomatonBuilder]: Finished intersection with 15 states and 14 transitions. [2020-10-21 23:38:39,210 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-21 23:38:39,211 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-21 23:38:39,211 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-21 23:38:39,211 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 23:38:39,212 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-21 23:38:39,212 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-21 23:38:39,212 INFO L87 Difference]: Start difference. First operand 1415 states and 3696 transitions. Second operand 3 states. [2020-10-21 23:38:39,227 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 23:38:39,227 INFO L93 Difference]: Finished difference Result 1102 states and 2818 transitions. [2020-10-21 23:38:39,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-21 23:38:39,228 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 14 [2020-10-21 23:38:39,228 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 23:38:39,235 INFO L225 Difference]: With dead ends: 1102 [2020-10-21 23:38:39,235 INFO L226 Difference]: Without dead ends: 1065 [2020-10-21 23:38:39,235 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-21 23:38:39,239 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1065 states. [2020-10-21 23:38:39,256 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1065 to 1065. [2020-10-21 23:38:39,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1065 states. [2020-10-21 23:38:39,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1065 states to 1065 states and 2732 transitions. [2020-10-21 23:38:39,260 INFO L78 Accepts]: Start accepts. Automaton has 1065 states and 2732 transitions. Word has length 14 [2020-10-21 23:38:39,261 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 23:38:39,261 INFO L481 AbstractCegarLoop]: Abstraction has 1065 states and 2732 transitions. [2020-10-21 23:38:39,261 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-21 23:38:39,261 INFO L276 IsEmpty]: Start isEmpty. Operand 1065 states and 2732 transitions. [2020-10-21 23:38:39,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-10-21 23:38:39,262 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 23:38:39,262 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-21 23:38:39,262 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-21 23:38:39,262 INFO L429 AbstractCegarLoop]: === Iteration 8 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 23:38:39,263 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 23:38:39,263 INFO L82 PathProgramCache]: Analyzing trace with hash -1722921326, now seen corresponding path program 1 times [2020-10-21 23:38:39,265 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 23:38:39,265 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [868013297] [2020-10-21 23:38:39,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 23:38:39,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 23:38:39,754 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 23:38:39,755 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [868013297] [2020-10-21 23:38:39,755 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 23:38:39,755 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-21 23:38:39,756 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [556367082] [2020-10-21 23:38:39,756 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-21 23:38:39,758 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-21 23:38:39,760 INFO L252 McrAutomatonBuilder]: Finished intersection with 16 states and 15 transitions. [2020-10-21 23:38:39,760 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-21 23:38:39,761 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-21 23:38:39,761 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-21 23:38:39,761 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 23:38:39,761 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-21 23:38:39,762 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2020-10-21 23:38:39,762 INFO L87 Difference]: Start difference. First operand 1065 states and 2732 transitions. Second operand 11 states. [2020-10-21 23:38:40,463 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 23:38:40,463 INFO L93 Difference]: Finished difference Result 1190 states and 3041 transitions. [2020-10-21 23:38:40,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-21 23:38:40,469 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 15 [2020-10-21 23:38:40,469 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 23:38:40,475 INFO L225 Difference]: With dead ends: 1190 [2020-10-21 23:38:40,476 INFO L226 Difference]: Without dead ends: 1135 [2020-10-21 23:38:40,476 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=49, Invalid=161, Unknown=0, NotChecked=0, Total=210 [2020-10-21 23:38:40,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1135 states. [2020-10-21 23:38:40,497 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1135 to 1058. [2020-10-21 23:38:40,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1058 states. [2020-10-21 23:38:40,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1058 states to 1058 states and 2725 transitions. [2020-10-21 23:38:40,501 INFO L78 Accepts]: Start accepts. Automaton has 1058 states and 2725 transitions. Word has length 15 [2020-10-21 23:38:40,501 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 23:38:40,501 INFO L481 AbstractCegarLoop]: Abstraction has 1058 states and 2725 transitions. [2020-10-21 23:38:40,501 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-21 23:38:40,501 INFO L276 IsEmpty]: Start isEmpty. Operand 1058 states and 2725 transitions. [2020-10-21 23:38:40,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-10-21 23:38:40,502 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 23:38:40,502 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-21 23:38:40,502 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-21 23:38:40,503 INFO L429 AbstractCegarLoop]: === Iteration 9 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 23:38:40,503 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 23:38:40,503 INFO L82 PathProgramCache]: Analyzing trace with hash -1381979900, now seen corresponding path program 2 times [2020-10-21 23:38:40,507 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 23:38:40,507 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2032973390] [2020-10-21 23:38:40,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 23:38:40,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 23:38:40,925 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 23:38:40,925 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2032973390] [2020-10-21 23:38:40,925 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 23:38:40,926 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-21 23:38:40,926 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1309509007] [2020-10-21 23:38:40,926 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-21 23:38:40,928 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-21 23:38:40,931 INFO L252 McrAutomatonBuilder]: Finished intersection with 16 states and 15 transitions. [2020-10-21 23:38:40,932 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-21 23:38:40,932 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-21 23:38:40,932 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-21 23:38:40,933 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 23:38:40,933 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-21 23:38:40,933 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2020-10-21 23:38:40,933 INFO L87 Difference]: Start difference. First operand 1058 states and 2725 transitions. Second operand 11 states. [2020-10-21 23:38:41,495 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 23:38:41,496 INFO L93 Difference]: Finished difference Result 1122 states and 2886 transitions. [2020-10-21 23:38:41,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-21 23:38:41,496 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 15 [2020-10-21 23:38:41,497 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 23:38:41,502 INFO L225 Difference]: With dead ends: 1122 [2020-10-21 23:38:41,502 INFO L226 Difference]: Without dead ends: 1107 [2020-10-21 23:38:41,503 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=43, Invalid=139, Unknown=0, NotChecked=0, Total=182 [2020-10-21 23:38:41,506 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1107 states. [2020-10-21 23:38:41,522 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1107 to 1026. [2020-10-21 23:38:41,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1026 states. [2020-10-21 23:38:41,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1026 states to 1026 states and 2649 transitions. [2020-10-21 23:38:41,525 INFO L78 Accepts]: Start accepts. Automaton has 1026 states and 2649 transitions. Word has length 15 [2020-10-21 23:38:41,525 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 23:38:41,525 INFO L481 AbstractCegarLoop]: Abstraction has 1026 states and 2649 transitions. [2020-10-21 23:38:41,526 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-21 23:38:41,526 INFO L276 IsEmpty]: Start isEmpty. Operand 1026 states and 2649 transitions. [2020-10-21 23:38:41,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-10-21 23:38:41,526 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 23:38:41,526 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-21 23:38:41,527 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-21 23:38:41,527 INFO L429 AbstractCegarLoop]: === Iteration 10 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 23:38:41,527 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 23:38:41,527 INFO L82 PathProgramCache]: Analyzing trace with hash -1381864580, now seen corresponding path program 3 times [2020-10-21 23:38:41,531 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 23:38:41,531 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [66349499] [2020-10-21 23:38:41,531 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 23:38:41,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 23:38:46,658 WARN L193 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 33 [2020-10-21 23:38:46,934 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 43 [2020-10-21 23:38:47,348 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 53 [2020-10-21 23:38:47,969 WARN L193 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 55 [2020-10-21 23:38:48,622 WARN L193 SmtUtils]: Spent 352.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 55 [2020-10-21 23:38:49,150 WARN L193 SmtUtils]: Spent 384.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 59 [2020-10-21 23:38:49,885 WARN L193 SmtUtils]: Spent 397.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 55 [2020-10-21 23:38:50,509 WARN L193 SmtUtils]: Spent 400.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 52 [2020-10-21 23:38:50,700 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 23:38:50,700 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [66349499] [2020-10-21 23:38:50,700 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 23:38:50,701 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-21 23:38:50,701 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1546164864] [2020-10-21 23:38:50,701 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-21 23:38:50,703 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-21 23:38:50,706 INFO L252 McrAutomatonBuilder]: Finished intersection with 16 states and 15 transitions. [2020-10-21 23:38:50,706 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-21 23:38:50,707 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-21 23:38:50,707 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-21 23:38:50,707 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 23:38:50,707 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-21 23:38:50,708 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2020-10-21 23:38:50,708 INFO L87 Difference]: Start difference. First operand 1026 states and 2649 transitions. Second operand 12 states. [2020-10-21 23:38:51,275 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 45 [2020-10-21 23:38:54,126 WARN L193 SmtUtils]: Spent 576.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 58 [2020-10-21 23:38:58,246 WARN L193 SmtUtils]: Spent 2.82 s on a formula simplification that was a NOOP. DAG size: 101 [2020-10-21 23:39:04,593 WARN L193 SmtUtils]: Spent 3.77 s on a formula simplification that was a NOOP. DAG size: 113 [2020-10-21 23:39:16,735 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 23:39:16,736 INFO L93 Difference]: Finished difference Result 1042 states and 2701 transitions. [2020-10-21 23:39:16,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-21 23:39:16,737 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 15 [2020-10-21 23:39:16,737 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 23:39:16,743 INFO L225 Difference]: With dead ends: 1042 [2020-10-21 23:39:16,743 INFO L226 Difference]: Without dead ends: 1037 [2020-10-21 23:39:16,744 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 12.3s TimeCoverageRelationStatistics Valid=51, Invalid=189, Unknown=0, NotChecked=0, Total=240 [2020-10-21 23:39:16,746 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1037 states. [2020-10-21 23:39:16,762 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1037 to 978. [2020-10-21 23:39:16,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 978 states. [2020-10-21 23:39:16,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 978 states to 978 states and 2540 transitions. [2020-10-21 23:39:16,765 INFO L78 Accepts]: Start accepts. Automaton has 978 states and 2540 transitions. Word has length 15 [2020-10-21 23:39:16,765 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 23:39:16,765 INFO L481 AbstractCegarLoop]: Abstraction has 978 states and 2540 transitions. [2020-10-21 23:39:16,765 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-21 23:39:16,765 INFO L276 IsEmpty]: Start isEmpty. Operand 978 states and 2540 transitions. [2020-10-21 23:39:16,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-10-21 23:39:16,767 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 23:39:16,768 INFO L422 BasicCegarLoop]: 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-21 23:39:16,768 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-21 23:39:16,768 INFO L429 AbstractCegarLoop]: === Iteration 11 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 23:39:16,768 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 23:39:16,768 INFO L82 PathProgramCache]: Analyzing trace with hash 297856594, now seen corresponding path program 1 times [2020-10-21 23:39:16,773 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 23:39:16,774 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [463804090] [2020-10-21 23:39:16,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 23:39:16,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 23:39:16,805 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 23:39:16,806 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [463804090] [2020-10-21 23:39:16,806 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 23:39:16,806 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-21 23:39:16,806 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1813895504] [2020-10-21 23:39:16,807 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-21 23:39:16,817 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-21 23:39:16,851 INFO L252 McrAutomatonBuilder]: Finished intersection with 65 states and 91 transitions. [2020-10-21 23:39:16,852 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-21 23:39:17,570 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 1 new interpolants: [40762#(not (= (select (select |#pthreadsMutex| |~#m~0.base|) |~#m~0.offset|) 0))] [2020-10-21 23:39:17,571 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-21 23:39:17,571 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 23:39:17,571 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-21 23:39:17,572 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-21 23:39:17,572 INFO L87 Difference]: Start difference. First operand 978 states and 2540 transitions. Second operand 4 states. [2020-10-21 23:39:17,619 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 23:39:17,620 INFO L93 Difference]: Finished difference Result 483 states and 1074 transitions. [2020-10-21 23:39:17,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-21 23:39:17,621 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 37 [2020-10-21 23:39:17,621 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 23:39:17,624 INFO L225 Difference]: With dead ends: 483 [2020-10-21 23:39:17,624 INFO L226 Difference]: Without dead ends: 483 [2020-10-21 23:39:17,628 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-21 23:39:17,630 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 483 states. [2020-10-21 23:39:17,638 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 483 to 395. [2020-10-21 23:39:17,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 395 states. [2020-10-21 23:39:17,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 395 states to 395 states and 879 transitions. [2020-10-21 23:39:17,641 INFO L78 Accepts]: Start accepts. Automaton has 395 states and 879 transitions. Word has length 37 [2020-10-21 23:39:17,643 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 23:39:17,644 INFO L481 AbstractCegarLoop]: Abstraction has 395 states and 879 transitions. [2020-10-21 23:39:17,644 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-21 23:39:17,644 INFO L276 IsEmpty]: Start isEmpty. Operand 395 states and 879 transitions. [2020-10-21 23:39:17,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-10-21 23:39:17,648 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 23:39:17,648 INFO L422 BasicCegarLoop]: 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-21 23:39:17,648 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-21 23:39:17,648 INFO L429 AbstractCegarLoop]: === Iteration 12 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 23:39:17,649 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 23:39:17,649 INFO L82 PathProgramCache]: Analyzing trace with hash 1991724182, now seen corresponding path program 1 times [2020-10-21 23:39:17,651 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 23:39:17,651 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [878211659] [2020-10-21 23:39:17,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 23:39:17,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 23:39:18,383 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 23:39:18,383 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [878211659] [2020-10-21 23:39:18,383 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 23:39:18,383 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-10-21 23:39:18,384 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1197530825] [2020-10-21 23:39:18,384 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-21 23:39:18,395 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-21 23:39:18,442 INFO L252 McrAutomatonBuilder]: Finished intersection with 83 states and 126 transitions. [2020-10-21 23:39:18,442 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-21 23:39:19,499 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-21 23:39:19,500 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-21 23:39:19,500 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 23:39:19,500 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-21 23:39:19,501 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=126, Unknown=0, NotChecked=0, Total=182 [2020-10-21 23:39:19,501 INFO L87 Difference]: Start difference. First operand 395 states and 879 transitions. Second operand 14 states. [2020-10-21 23:39:20,296 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 23:39:20,296 INFO L93 Difference]: Finished difference Result 475 states and 1054 transitions. [2020-10-21 23:39:20,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-21 23:39:20,297 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 38 [2020-10-21 23:39:20,297 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 23:39:20,300 INFO L225 Difference]: With dead ends: 475 [2020-10-21 23:39:20,301 INFO L226 Difference]: Without dead ends: 475 [2020-10-21 23:39:20,301 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 40 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=114, Invalid=266, Unknown=0, NotChecked=0, Total=380 [2020-10-21 23:39:20,302 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 475 states. [2020-10-21 23:39:20,309 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 475 to 459. [2020-10-21 23:39:20,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 459 states. [2020-10-21 23:39:20,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 459 states to 459 states and 1020 transitions. [2020-10-21 23:39:20,311 INFO L78 Accepts]: Start accepts. Automaton has 459 states and 1020 transitions. Word has length 38 [2020-10-21 23:39:20,311 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 23:39:20,311 INFO L481 AbstractCegarLoop]: Abstraction has 459 states and 1020 transitions. [2020-10-21 23:39:20,312 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-21 23:39:20,312 INFO L276 IsEmpty]: Start isEmpty. Operand 459 states and 1020 transitions. [2020-10-21 23:39:20,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2020-10-21 23:39:20,313 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 23:39:20,313 INFO L422 BasicCegarLoop]: 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-21 23:39:20,313 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-21 23:39:20,313 INFO L429 AbstractCegarLoop]: === Iteration 13 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 23:39:20,314 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 23:39:20,314 INFO L82 PathProgramCache]: Analyzing trace with hash 678803629, now seen corresponding path program 1 times [2020-10-21 23:39:20,318 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 23:39:20,319 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1832427642] [2020-10-21 23:39:20,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 23:39:20,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 23:39:20,714 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 28 [2020-10-21 23:39:20,932 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 25 [2020-10-21 23:39:21,049 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 23 [2020-10-21 23:39:21,191 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 23 [2020-10-21 23:39:21,309 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 26 [2020-10-21 23:39:21,934 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 23:39:21,935 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1832427642] [2020-10-21 23:39:21,935 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 23:39:21,935 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2020-10-21 23:39:21,935 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [799766126] [2020-10-21 23:39:21,935 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-21 23:39:21,946 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-21 23:39:21,983 INFO L252 McrAutomatonBuilder]: Finished intersection with 86 states and 131 transitions. [2020-10-21 23:39:21,984 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-21 23:39:24,179 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-21 23:39:24,179 INFO L461 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-10-21 23:39:24,179 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 23:39:24,180 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-10-21 23:39:24,180 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=222, Unknown=0, NotChecked=0, Total=306 [2020-10-21 23:39:24,180 INFO L87 Difference]: Start difference. First operand 459 states and 1020 transitions. Second operand 18 states. [2020-10-21 23:39:25,489 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 23:39:25,489 INFO L93 Difference]: Finished difference Result 736 states and 1638 transitions. [2020-10-21 23:39:25,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-21 23:39:25,491 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 39 [2020-10-21 23:39:25,491 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 23:39:25,496 INFO L225 Difference]: With dead ends: 736 [2020-10-21 23:39:25,497 INFO L226 Difference]: Without dead ends: 736 [2020-10-21 23:39:25,497 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 40 SyntacticMatches, 9 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 168 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=149, Invalid=451, Unknown=0, NotChecked=0, Total=600 [2020-10-21 23:39:25,499 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 736 states. [2020-10-21 23:39:25,512 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 736 to 692. [2020-10-21 23:39:25,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 692 states. [2020-10-21 23:39:25,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 692 states to 692 states and 1545 transitions. [2020-10-21 23:39:25,515 INFO L78 Accepts]: Start accepts. Automaton has 692 states and 1545 transitions. Word has length 39 [2020-10-21 23:39:25,515 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 23:39:25,515 INFO L481 AbstractCegarLoop]: Abstraction has 692 states and 1545 transitions. [2020-10-21 23:39:25,515 INFO L482 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-10-21 23:39:25,515 INFO L276 IsEmpty]: Start isEmpty. Operand 692 states and 1545 transitions. [2020-10-21 23:39:25,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2020-10-21 23:39:25,520 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 23:39:25,521 INFO L422 BasicCegarLoop]: 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-21 23:39:25,521 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-21 23:39:25,522 INFO L429 AbstractCegarLoop]: === Iteration 14 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 23:39:25,522 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 23:39:25,522 INFO L82 PathProgramCache]: Analyzing trace with hash 1645076593, now seen corresponding path program 2 times [2020-10-21 23:39:25,524 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 23:39:25,524 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1007823570] [2020-10-21 23:39:25,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 23:39:25,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 23:39:25,934 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 37 [2020-10-21 23:39:26,059 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 28 [2020-10-21 23:39:27,276 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 23:39:27,277 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1007823570] [2020-10-21 23:39:27,277 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 23:39:27,277 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2020-10-21 23:39:27,277 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [335433114] [2020-10-21 23:39:27,277 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-21 23:39:27,285 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-21 23:39:27,315 INFO L252 McrAutomatonBuilder]: Finished intersection with 72 states and 103 transitions. [2020-10-21 23:39:27,315 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-21 23:39:28,509 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 17 [2020-10-21 23:39:28,733 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 4, 4, 1] term [2020-10-21 23:39:28,734 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-21 23:39:28,918 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-21 23:39:28,919 INFO L461 AbstractCegarLoop]: Interpolant automaton has 20 states [2020-10-21 23:39:28,919 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 23:39:28,920 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2020-10-21 23:39:28,920 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=102, Invalid=278, Unknown=0, NotChecked=0, Total=380 [2020-10-21 23:39:28,920 INFO L87 Difference]: Start difference. First operand 692 states and 1545 transitions. Second operand 20 states. [2020-10-21 23:39:29,252 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 44 [2020-10-21 23:39:30,874 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 23:39:30,874 INFO L93 Difference]: Finished difference Result 893 states and 1991 transitions. [2020-10-21 23:39:30,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-21 23:39:30,876 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 39 [2020-10-21 23:39:30,876 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 23:39:30,881 INFO L225 Difference]: With dead ends: 893 [2020-10-21 23:39:30,881 INFO L226 Difference]: Without dead ends: 893 [2020-10-21 23:39:30,882 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 29 SyntacticMatches, 6 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 158 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=198, Invalid=558, Unknown=0, NotChecked=0, Total=756 [2020-10-21 23:39:30,883 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 893 states. [2020-10-21 23:39:30,893 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 893 to 616. [2020-10-21 23:39:30,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 616 states. [2020-10-21 23:39:30,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 616 states to 616 states and 1373 transitions. [2020-10-21 23:39:30,895 INFO L78 Accepts]: Start accepts. Automaton has 616 states and 1373 transitions. Word has length 39 [2020-10-21 23:39:30,896 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 23:39:30,896 INFO L481 AbstractCegarLoop]: Abstraction has 616 states and 1373 transitions. [2020-10-21 23:39:30,896 INFO L482 AbstractCegarLoop]: Interpolant automaton has 20 states. [2020-10-21 23:39:30,896 INFO L276 IsEmpty]: Start isEmpty. Operand 616 states and 1373 transitions. [2020-10-21 23:39:30,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2020-10-21 23:39:30,898 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 23:39:30,898 INFO L422 BasicCegarLoop]: 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-21 23:39:30,898 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-21 23:39:30,899 INFO L429 AbstractCegarLoop]: === Iteration 15 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 23:39:30,899 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 23:39:30,899 INFO L82 PathProgramCache]: Analyzing trace with hash -824715029, now seen corresponding path program 3 times [2020-10-21 23:39:30,905 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 23:39:30,906 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1370395505] [2020-10-21 23:39:30,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 23:39:30,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 23:39:31,387 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 31 [2020-10-21 23:39:31,656 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 28 [2020-10-21 23:39:31,884 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 25 [2020-10-21 23:39:32,194 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 25 [2020-10-21 23:39:32,403 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 28 [2020-10-21 23:39:33,677 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 23:39:33,677 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1370395505] [2020-10-21 23:39:33,678 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 23:39:33,678 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2020-10-21 23:39:33,679 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1935156955] [2020-10-21 23:39:33,679 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-21 23:39:33,688 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-21 23:39:33,712 INFO L252 McrAutomatonBuilder]: Finished intersection with 58 states and 75 transitions. [2020-10-21 23:39:33,712 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-21 23:39:34,359 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-21 23:39:34,359 INFO L461 AbstractCegarLoop]: Interpolant automaton has 20 states [2020-10-21 23:39:34,360 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 23:39:34,360 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2020-10-21 23:39:34,360 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=98, Invalid=282, Unknown=0, NotChecked=0, Total=380 [2020-10-21 23:39:34,360 INFO L87 Difference]: Start difference. First operand 616 states and 1373 transitions. Second operand 20 states. [2020-10-21 23:39:34,749 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 37 [2020-10-21 23:39:36,157 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 23:39:36,157 INFO L93 Difference]: Finished difference Result 792 states and 1764 transitions. [2020-10-21 23:39:36,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-21 23:39:36,160 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 39 [2020-10-21 23:39:36,160 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 23:39:36,165 INFO L225 Difference]: With dead ends: 792 [2020-10-21 23:39:36,165 INFO L226 Difference]: Without dead ends: 792 [2020-10-21 23:39:36,166 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 22 SyntacticMatches, 3 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 105 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=187, Invalid=569, Unknown=0, NotChecked=0, Total=756 [2020-10-21 23:39:36,167 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 792 states. [2020-10-21 23:39:36,177 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 792 to 611. [2020-10-21 23:39:36,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 611 states. [2020-10-21 23:39:36,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 611 states to 611 states and 1364 transitions. [2020-10-21 23:39:36,179 INFO L78 Accepts]: Start accepts. Automaton has 611 states and 1364 transitions. Word has length 39 [2020-10-21 23:39:36,179 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 23:39:36,179 INFO L481 AbstractCegarLoop]: Abstraction has 611 states and 1364 transitions. [2020-10-21 23:39:36,179 INFO L482 AbstractCegarLoop]: Interpolant automaton has 20 states. [2020-10-21 23:39:36,179 INFO L276 IsEmpty]: Start isEmpty. Operand 611 states and 1364 transitions. [2020-10-21 23:39:36,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2020-10-21 23:39:36,180 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 23:39:36,180 INFO L422 BasicCegarLoop]: 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-21 23:39:36,181 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-21 23:39:36,181 INFO L429 AbstractCegarLoop]: === Iteration 16 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 23:39:36,181 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 23:39:36,181 INFO L82 PathProgramCache]: Analyzing trace with hash -433606476, now seen corresponding path program 1 times [2020-10-21 23:39:36,189 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 23:39:36,189 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [882472163] [2020-10-21 23:39:36,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 23:39:36,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 23:39:36,537 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 31 [2020-10-21 23:39:36,718 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 32 [2020-10-21 23:39:36,893 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 34 [2020-10-21 23:39:37,031 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 28 [2020-10-21 23:39:37,257 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 34 [2020-10-21 23:39:37,833 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 41 [2020-10-21 23:39:38,014 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 42 [2020-10-21 23:39:38,209 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 34 [2020-10-21 23:39:38,867 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 23:39:38,868 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [882472163] [2020-10-21 23:39:38,868 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 23:39:38,868 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2020-10-21 23:39:38,868 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [31190066] [2020-10-21 23:39:38,868 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-21 23:39:38,880 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-21 23:39:38,923 INFO L252 McrAutomatonBuilder]: Finished intersection with 87 states and 132 transitions. [2020-10-21 23:39:38,923 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-21 23:39:41,014 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 35 [2020-10-21 23:39:41,340 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 41 [2020-10-21 23:39:41,546 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 51 [2020-10-21 23:39:41,740 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 29 [2020-10-21 23:39:42,419 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 11 new interpolants: [49839#(and (not (= |~#queue~0.base| |~#stored_elements~0.base|)) (= (select (select |#memory_int| |~#queue~0.base|) 1600) 0) (= |~#queue~0.offset| 0) (= (select (select |#memory_int| |~#stored_elements~0.base|) |~#stored_elements~0.offset|) (select (select |#memory_int| |~#queue~0.base|) 0))), 49840#(and (not (= |~#queue~0.base| |~#stored_elements~0.base|)) (not (= (+ (* 4 t1Thread1of1ForFork1_~i~0) 4) 0)) (= (select (select |#memory_int| |~#queue~0.base|) 1600) 0) (= |~#queue~0.offset| 0) (= (select (select |#memory_int| |~#stored_elements~0.base|) |~#stored_elements~0.offset|) (select (select |#memory_int| |~#queue~0.base|) 0))), 49841#(and (not (= (+ (* 4 t1Thread1of1ForFork1_~i~0) 4) 0)) (= t1Thread1of1ForFork1_enqueue_~q.offset 0) (= |~#queue~0.base| t1Thread1of1ForFork1_enqueue_~q.base) (not (= t1Thread1of1ForFork1_enqueue_~q.base |~#stored_elements~0.base|)) (= (select (select |#memory_int| |~#stored_elements~0.base|) |~#stored_elements~0.offset|) (select (select |#memory_int| t1Thread1of1ForFork1_enqueue_~q.base) 0)) (= |~#queue~0.offset| 0) (= (select (select |#memory_int| t1Thread1of1ForFork1_enqueue_~q.base) 1600) 0)), 49842#(and (not (= (+ (* 4 |t1Thread1of1ForFork1_enqueue_#t~mem40|) t1Thread1of1ForFork1_enqueue_~q.offset) 1600)) (not (= (+ (* 4 t1Thread1of1ForFork1_~i~0) 4) 0)) (= t1Thread1of1ForFork1_enqueue_~q.offset 0) (= |~#queue~0.base| t1Thread1of1ForFork1_enqueue_~q.base) (not (= t1Thread1of1ForFork1_enqueue_~q.base |~#stored_elements~0.base|)) (= (select (select |#memory_int| |~#stored_elements~0.base|) |~#stored_elements~0.offset|) (select (select |#memory_int| t1Thread1of1ForFork1_enqueue_~q.base) 0)) (not (= (+ (* 4 |t1Thread1of1ForFork1_enqueue_#t~mem40|) t1Thread1of1ForFork1_enqueue_~q.offset) 0)) (= |~#queue~0.offset| 0) (= (select (select |#memory_int| t1Thread1of1ForFork1_enqueue_~q.base) 1600) 0)), 49843#(and (<= (* 4 (select (select |#memory_int| t1Thread1of1ForFork1_enqueue_~q.base) (+ t1Thread1of1ForFork1_enqueue_~q.offset 1604))) 4) (not (= (+ (* 4 t1Thread1of1ForFork1_~i~0) 4) 0)) (= t1Thread1of1ForFork1_enqueue_~q.offset 0) (= |~#queue~0.base| t1Thread1of1ForFork1_enqueue_~q.base) (not (= t1Thread1of1ForFork1_enqueue_~q.base |~#stored_elements~0.base|)) (= (select (select |#memory_int| |~#stored_elements~0.base|) |~#stored_elements~0.offset|) (select (select |#memory_int| t1Thread1of1ForFork1_enqueue_~q.base) 0)) (= |~#queue~0.offset| 0) (<= 4 (* 4 (select (select |#memory_int| t1Thread1of1ForFork1_enqueue_~q.base) (+ t1Thread1of1ForFork1_enqueue_~q.offset 1604)))) (= (select (select |#memory_int| t1Thread1of1ForFork1_enqueue_~q.base) 1600) 0)), 49844#(and (not (= |~#queue~0.base| |~#stored_elements~0.base|)) (<= 4 (* 4 (select (select |#memory_int| |~#queue~0.base|) 1604))) (<= (* 4 (select (select |#memory_int| |~#queue~0.base|) 1604)) 4) (not (= (+ (* 4 t1Thread1of1ForFork1_~i~0) 4) 0)) (= (select (select |#memory_int| |~#queue~0.base|) 1600) 0) (= |~#queue~0.offset| 0) (= (select (select |#memory_int| |~#stored_elements~0.base|) |~#stored_elements~0.offset|) (select (select |#memory_int| |~#queue~0.base|) 0))), 49845#(and (not (= |~#queue~0.base| |~#stored_elements~0.base|)) (<= 4 (* 4 (select (select |#memory_int| |~#queue~0.base|) 1604))) (<= (* 4 (select (select |#memory_int| |~#queue~0.base|) 1604)) 4) (= (select (select |#memory_int| |~#queue~0.base|) 1600) 0) (= |~#queue~0.offset| 0) (= (select (select |#memory_int| |~#stored_elements~0.base|) |~#stored_elements~0.offset|) (select (select |#memory_int| |~#queue~0.base|) 0))), 49846#(and (not (= |~#queue~0.base| |~#stored_elements~0.base|)) (= (select (select |#memory_int| |~#stored_elements~0.base|) |~#stored_elements~0.offset|) (select (select |#memory_int| |t1Thread1of1ForFork1_empty_#in~q.base|) 0)) (<= (select (select |#memory_int| |t1Thread1of1ForFork1_empty_#in~q.base|) 1604) 1) (<= 4 (* 4 (select (select |#memory_int| |t1Thread1of1ForFork1_empty_#in~q.base|) 1604))) (= |t1Thread1of1ForFork1_empty_#in~q.offset| 0) (= |~#queue~0.base| |t1Thread1of1ForFork1_empty_#in~q.base|) (= (select (select |#memory_int| |t1Thread1of1ForFork1_empty_#in~q.base|) 1600) 0) (= |~#queue~0.offset| 0)), 49847#(and (not (= |~#queue~0.base| |~#stored_elements~0.base|)) (<= 4 (* 4 (select (select |#memory_int| |~#queue~0.base|) 1604))) (<= (select (select |#memory_int| |~#queue~0.base|) 1604) 1) (= (select (select |#memory_int| |~#queue~0.base|) 1600) 0) (= (select (select |#memory_int| |~#queue~0.base|) 0) t1Thread1of1ForFork1_~value~0) (= |~#queue~0.offset| 0)), 49848#(and (= t1Thread1of1ForFork1_enqueue_~q.offset 0) (= |~#queue~0.base| t1Thread1of1ForFork1_enqueue_~q.base) (= (select (select |#memory_int| t1Thread1of1ForFork1_enqueue_~q.base) t1Thread1of1ForFork1_enqueue_~q.offset) t1Thread1of1ForFork1_~value~0) (not (= t1Thread1of1ForFork1_enqueue_~q.base |~#stored_elements~0.base|)) (<= |t1Thread1of1ForFork1_enqueue_#t~mem44| 0) (<= 0 (* 4 |t1Thread1of1ForFork1_enqueue_#t~mem44|)) (= |~#queue~0.offset| 0) (= (select (select |#memory_int| t1Thread1of1ForFork1_enqueue_~q.base) 1600) 0)), 49849#(and (= (select (select |#memory_int| t1Thread1of1ForFork1_enqueue_~q.base) (+ t1Thread1of1ForFork1_enqueue_~q.offset 1604)) 0) (= t1Thread1of1ForFork1_enqueue_~q.offset 0) (= |~#queue~0.base| t1Thread1of1ForFork1_enqueue_~q.base) (= (select (select |#memory_int| t1Thread1of1ForFork1_enqueue_~q.base) t1Thread1of1ForFork1_enqueue_~q.offset) t1Thread1of1ForFork1_~value~0) (not (= t1Thread1of1ForFork1_enqueue_~q.base |~#stored_elements~0.base|)) (= |~#queue~0.offset| 0) (= (select (select |#memory_int| t1Thread1of1ForFork1_enqueue_~q.base) 1600) 0))] [2020-10-21 23:39:42,420 INFO L461 AbstractCegarLoop]: Interpolant automaton has 32 states [2020-10-21 23:39:42,420 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 23:39:42,421 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2020-10-21 23:39:42,421 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=126, Invalid=866, Unknown=0, NotChecked=0, Total=992 [2020-10-21 23:39:42,422 INFO L87 Difference]: Start difference. First operand 611 states and 1364 transitions. Second operand 32 states. [2020-10-21 23:39:45,252 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 46 [2020-10-21 23:39:45,888 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 49 [2020-10-21 23:39:48,441 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 23:39:48,442 INFO L93 Difference]: Finished difference Result 1238 states and 2760 transitions. [2020-10-21 23:39:48,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2020-10-21 23:39:48,443 INFO L78 Accepts]: Start accepts. Automaton has 32 states. Word has length 40 [2020-10-21 23:39:48,444 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 23:39:48,450 INFO L225 Difference]: With dead ends: 1238 [2020-10-21 23:39:48,451 INFO L226 Difference]: Without dead ends: 1198 [2020-10-21 23:39:48,452 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 30 SyntacticMatches, 8 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 821 ImplicationChecksByTransitivity, 5.9s TimeCoverageRelationStatistics Valid=364, Invalid=2828, Unknown=0, NotChecked=0, Total=3192 [2020-10-21 23:39:48,454 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1198 states. [2020-10-21 23:39:48,468 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1198 to 775. [2020-10-21 23:39:48,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 775 states. [2020-10-21 23:39:48,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 775 states to 775 states and 1709 transitions. [2020-10-21 23:39:48,471 INFO L78 Accepts]: Start accepts. Automaton has 775 states and 1709 transitions. Word has length 40 [2020-10-21 23:39:48,471 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 23:39:48,472 INFO L481 AbstractCegarLoop]: Abstraction has 775 states and 1709 transitions. [2020-10-21 23:39:48,472 INFO L482 AbstractCegarLoop]: Interpolant automaton has 32 states. [2020-10-21 23:39:48,472 INFO L276 IsEmpty]: Start isEmpty. Operand 775 states and 1709 transitions. [2020-10-21 23:39:48,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2020-10-21 23:39:48,474 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 23:39:48,474 INFO L422 BasicCegarLoop]: 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-21 23:39:48,474 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-10-21 23:39:48,474 INFO L429 AbstractCegarLoop]: === Iteration 17 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 23:39:48,474 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 23:39:48,474 INFO L82 PathProgramCache]: Analyzing trace with hash -543915664, now seen corresponding path program 2 times [2020-10-21 23:39:48,486 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 23:39:48,487 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1063249877] [2020-10-21 23:39:48,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 23:39:48,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat Received shutdown request... [2020-10-21 23:42:15,689 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-10-21 23:42:15,702 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-10-21 23:42:15,703 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-10-21 23:42:15,707 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-10-21 23:42:15,708 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-10-21 23:42:15,710 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-10-21 23:42:15,712 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-10-21 23:42:15,713 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-10-21 23:42:15,725 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-10-21 23:42:15,726 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-10-21 23:42:15,727 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-10-21 23:42:15,728 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-10-21 23:42:15,728 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-10-21 23:42:15,729 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-10-21 23:42:15,729 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-10-21 23:42:15,735 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-10-21 23:42:15,735 WARN L546 AbstractCegarLoop]: Verification canceled [2020-10-21 23:42:15,740 WARN L235 ceAbstractionStarter]: Timeout [2020-10-21 23:42:15,740 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.10 11:42:15 BasicIcfg [2020-10-21 23:42:15,740 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-21 23:42:15,743 INFO L168 Benchmark]: Toolchain (without parser) took 235821.41 ms. Allocated memory was 138.4 MB in the beginning and 3.0 GB in the end (delta: 2.8 GB). Free memory was 99.6 MB in the beginning and 1.4 GB in the end (delta: -1.3 GB). Peak memory consumption was 2.9 GB. Max. memory is 7.1 GB. [2020-10-21 23:42:15,744 INFO L168 Benchmark]: CDTParser took 3.19 ms. Allocated memory is still 138.4 MB. Free memory was 119.9 MB in the beginning and 119.7 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. [2020-10-21 23:42:15,745 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1039.17 ms. Allocated memory was 138.4 MB in the beginning and 201.9 MB in the end (delta: 63.4 MB). Free memory was 98.8 MB in the beginning and 129.4 MB in the end (delta: -30.6 MB). Peak memory consumption was 38.1 MB. Max. memory is 7.1 GB. [2020-10-21 23:42:15,747 INFO L168 Benchmark]: Boogie Procedure Inliner took 88.05 ms. Allocated memory is still 201.9 MB. Free memory was 129.4 MB in the beginning and 126.6 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 7.1 GB. [2020-10-21 23:42:15,748 INFO L168 Benchmark]: Boogie Preprocessor took 52.82 ms. Allocated memory is still 201.9 MB. Free memory was 126.6 MB in the beginning and 123.7 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 7.1 GB. [2020-10-21 23:42:15,748 INFO L168 Benchmark]: RCFGBuilder took 794.30 ms. Allocated memory was 201.9 MB in the beginning and 233.3 MB in the end (delta: 31.5 MB). Free memory was 123.7 MB in the beginning and 190.5 MB in the end (delta: -66.8 MB). Peak memory consumption was 44.0 MB. Max. memory is 7.1 GB. [2020-10-21 23:42:15,749 INFO L168 Benchmark]: TraceAbstraction took 233835.69 ms. Allocated memory was 233.3 MB in the beginning and 3.0 GB in the end (delta: 2.7 GB). Free memory was 190.5 MB in the beginning and 1.4 GB in the end (delta: -1.3 GB). Peak memory consumption was 2.9 GB. Max. memory is 7.1 GB. [2020-10-21 23:42:15,759 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 3.19 ms. Allocated memory is still 138.4 MB. Free memory was 119.9 MB in the beginning and 119.7 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1039.17 ms. Allocated memory was 138.4 MB in the beginning and 201.9 MB in the end (delta: 63.4 MB). Free memory was 98.8 MB in the beginning and 129.4 MB in the end (delta: -30.6 MB). Peak memory consumption was 38.1 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 88.05 ms. Allocated memory is still 201.9 MB. Free memory was 129.4 MB in the beginning and 126.6 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 52.82 ms. Allocated memory is still 201.9 MB. Free memory was 126.6 MB in the beginning and 123.7 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 794.30 ms. Allocated memory was 201.9 MB in the beginning and 233.3 MB in the end (delta: 31.5 MB). Free memory was 123.7 MB in the beginning and 190.5 MB in the end (delta: -66.8 MB). Peak memory consumption was 44.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 233835.69 ms. Allocated memory was 233.3 MB in the beginning and 3.0 GB in the end (delta: 2.7 GB). Free memory was 190.5 MB in the beginning and 1.4 GB in the end (delta: -1.3 GB). Peak memory consumption was 2.9 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 8826 VarBasedMoverChecksPositive, 113 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 567 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 11.5s, 250 PlacesBefore, 70 PlacesAfterwards, 263 TransitionsBefore, 76 TransitionsAfterwards, 16756 CoEnabledTransitionPairs, 7 FixpointIterations, 69 TrivialSequentialCompositions, 123 ConcurrentSequentialCompositions, 9 TrivialYvCompositions, 23 ConcurrentYvCompositions, 7 ChoiceCompositions, 231 TotalNumberOfCompositions, 41140 MoverChecksTotal - TimeoutResultAtElement [Line: 13]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 13). Cancelled while BasicCegarLoop was analyzing trace of length 41 with TraceHistMax 1,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while NestedInterpolantsBuilder was constructing predicates for 39 interpolants. - TimeoutResultAtElement [Line: 13]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 13). Cancelled while BasicCegarLoop was analyzing trace of length 41 with TraceHistMax 1,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while NestedInterpolantsBuilder was constructing predicates for 39 interpolants. - TimeoutResultAtElement [Line: 13]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 13). Cancelled while BasicCegarLoop was analyzing trace of length 41 with TraceHistMax 1,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while NestedInterpolantsBuilder was constructing predicates for 39 interpolants. - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 244 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: TIMEOUT, OverallTime: 233.6s, OverallIterations: 17, TraceHistogramMax: 1, AutomataDifference: 42.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 11.6s, HoareTripleCheckerStatistics: 977 SDtfs, 1374 SDslu, 3944 SDs, 0 SdLazy, 7263 SolverSat, 282 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 24.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 455 GetRequests, 207 SyntacticMatches, 31 SemanticMatches, 217 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1385 ImplicationChecksByTransitivity, 29.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1461occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 16 MinimizatonAttempts, 1415 StatesRemovedByMinimization, 12 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 21.0s InterpolantComputationTime, 358 NumberOfCodeBlocks, 358 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 342 ConstructedInterpolants, 0 QuantifiedInterpolants, 389761 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 16 InterpolantComputations, 16 PerfectInterpolantSequences, 0/0 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