/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-SemanticLbe-SemanticLooper.epf -i ../../../trunk/examples/svcomp/pthread/queue_ok.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-7bb8cbd [2020-10-16 03:10:11,733 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-16 03:10:11,735 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-16 03:10:11,758 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-16 03:10:11,759 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-16 03:10:11,760 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-16 03:10:11,761 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-16 03:10:11,763 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-16 03:10:11,764 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-16 03:10:11,765 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-16 03:10:11,766 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-16 03:10:11,767 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-16 03:10:11,768 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-16 03:10:11,768 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-16 03:10:11,772 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-16 03:10:11,773 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-16 03:10:11,774 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-16 03:10:11,775 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-16 03:10:11,777 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-16 03:10:11,778 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-16 03:10:11,780 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-16 03:10:11,781 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-16 03:10:11,782 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-16 03:10:11,783 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-16 03:10:11,785 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-16 03:10:11,785 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-16 03:10:11,786 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-16 03:10:11,786 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-16 03:10:11,787 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-16 03:10:11,788 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-16 03:10:11,788 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-16 03:10:11,789 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-16 03:10:11,789 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-16 03:10:11,790 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-16 03:10:11,791 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-16 03:10:11,791 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-16 03:10:11,792 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-16 03:10:11,792 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-16 03:10:11,792 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-16 03:10:11,793 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-16 03:10:11,794 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-16 03:10:11,795 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-SemanticLbe-SemanticLooper.epf [2020-10-16 03:10:11,818 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-16 03:10:11,819 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-16 03:10:11,820 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-16 03:10:11,820 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-16 03:10:11,820 INFO L138 SettingsManager]: * Use SBE=true [2020-10-16 03:10:11,821 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-16 03:10:11,821 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-16 03:10:11,821 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-16 03:10:11,821 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-16 03:10:11,821 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-16 03:10:11,822 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-16 03:10:11,822 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-16 03:10:11,822 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-16 03:10:11,822 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-16 03:10:11,823 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-16 03:10:11,823 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-16 03:10:11,823 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-16 03:10:11,823 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-16 03:10:11,823 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-16 03:10:11,824 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-16 03:10:11,824 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-16 03:10:11,824 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-16 03:10:11,824 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-16 03:10:11,825 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-16 03:10:11,825 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-16 03:10:11,825 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-16 03:10:11,825 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-16 03:10:11,825 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2020-10-16 03:10:11,826 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-16 03:10:12,144 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-16 03:10:12,156 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-16 03:10:12,159 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-16 03:10:12,161 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-16 03:10:12,161 INFO L275 PluginConnector]: CDTParser initialized [2020-10-16 03:10:12,162 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread/queue_ok.i [2020-10-16 03:10:12,222 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a14a52d75/49bc1f05666041c9950583709572b70b/FLAG3cbcc7995 [2020-10-16 03:10:12,733 INFO L306 CDTParser]: Found 1 translation units. [2020-10-16 03:10:12,734 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/queue_ok.i [2020-10-16 03:10:12,753 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a14a52d75/49bc1f05666041c9950583709572b70b/FLAG3cbcc7995 [2020-10-16 03:10:13,094 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a14a52d75/49bc1f05666041c9950583709572b70b [2020-10-16 03:10:13,107 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-16 03:10:13,110 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-16 03:10:13,112 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-16 03:10:13,112 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-16 03:10:13,116 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-16 03:10:13,117 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 03:10:13" (1/1) ... [2020-10-16 03:10:13,121 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a75c358 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:10:13, skipping insertion in model container [2020-10-16 03:10:13,121 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 03:10:13" (1/1) ... [2020-10-16 03:10:13,129 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-16 03:10:13,200 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-16 03:10:13,841 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-16 03:10:13,854 INFO L203 MainTranslator]: Completed pre-run [2020-10-16 03:10:13,901 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-16 03:10:14,047 INFO L208 MainTranslator]: Completed translation [2020-10-16 03:10:14,048 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:10:14 WrapperNode [2020-10-16 03:10:14,048 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-16 03:10:14,049 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-16 03:10:14,049 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-16 03:10:14,049 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-16 03:10:14,058 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:10:14" (1/1) ... [2020-10-16 03:10:14,101 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:10:14" (1/1) ... [2020-10-16 03:10:14,147 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-16 03:10:14,148 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-16 03:10:14,148 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-16 03:10:14,148 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-16 03:10:14,157 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:10:14" (1/1) ... [2020-10-16 03:10:14,158 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:10:14" (1/1) ... [2020-10-16 03:10:14,162 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:10:14" (1/1) ... [2020-10-16 03:10:14,163 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:10:14" (1/1) ... [2020-10-16 03:10:14,175 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:10:14" (1/1) ... [2020-10-16 03:10:14,179 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:10:14" (1/1) ... [2020-10-16 03:10:14,182 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:10:14" (1/1) ... [2020-10-16 03:10:14,187 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-16 03:10:14,188 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-16 03:10:14,189 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-16 03:10:14,189 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-16 03:10:14,190 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:10:14" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-16 03:10:14,266 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2020-10-16 03:10:14,267 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2020-10-16 03:10:14,267 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2020-10-16 03:10:14,267 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2020-10-16 03:10:14,267 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-16 03:10:14,267 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-16 03:10:14,268 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-16 03:10:14,268 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-16 03:10:14,268 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2020-10-16 03:10:14,268 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-16 03:10:14,269 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-16 03:10:14,269 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-16 03:10:14,271 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-10-16 03:10:15,024 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-16 03:10:15,024 INFO L298 CfgBuilder]: Removed 16 assume(true) statements. [2020-10-16 03:10:15,027 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 03:10:15 BoogieIcfgContainer [2020-10-16 03:10:15,027 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-16 03:10:15,029 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-16 03:10:15,030 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-16 03:10:15,034 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-16 03:10:15,035 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 03:10:13" (1/3) ... [2020-10-16 03:10:15,036 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@300e0d03 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 03:10:15, skipping insertion in model container [2020-10-16 03:10:15,036 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:10:14" (2/3) ... [2020-10-16 03:10:15,037 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@300e0d03 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 03:10:15, skipping insertion in model container [2020-10-16 03:10:15,037 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 03:10:15" (3/3) ... [2020-10-16 03:10:15,040 INFO L111 eAbstractionObserver]: Analyzing ICFG queue_ok.i [2020-10-16 03:10:15,054 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-16 03:10:15,062 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2020-10-16 03:10:15,064 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-16 03:10:15,110 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:15,111 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:15,113 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:15,113 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:15,113 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:15,115 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:15,116 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:15,116 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:15,116 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:15,117 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:15,117 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:15,117 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:15,118 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:15,118 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:15,118 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:15,119 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:15,119 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:15,119 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:15,119 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:15,119 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:15,120 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:15,121 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:15,121 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:15,121 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:15,122 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:15,122 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:15,122 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:15,122 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:15,122 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:15,123 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:15,123 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:15,123 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:15,123 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:15,124 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:15,124 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:15,124 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:15,124 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:15,125 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:15,125 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:15,126 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:15,126 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:15,127 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:15,128 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:15,129 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:15,130 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:15,131 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:15,131 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:15,131 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:15,132 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:15,133 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:15,133 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:15,134 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:15,134 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:15,134 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:15,134 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:15,135 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:15,135 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:15,135 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:15,135 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:15,136 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:15,137 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:15,137 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:15,137 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:15,137 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:15,137 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:15,137 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:15,138 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:15,138 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:15,139 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:15,139 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:15,139 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:15,139 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:15,140 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:15,140 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:15,140 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:15,140 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:15,141 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:15,141 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:15,141 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:15,141 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:15,142 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:15,142 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:15,142 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:15,143 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:15,143 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:15,144 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:15,152 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:15,153 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:15,154 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:15,154 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:15,157 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:15,158 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:15,159 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:15,160 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:15,161 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:15,162 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:15,162 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:15,162 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:15,162 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:15,163 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:15,163 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:15,164 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:15,164 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:15,164 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:15,165 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:15,170 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:15,170 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:15,170 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:15,170 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:15,178 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:15,179 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:15,179 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:15,179 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:15,179 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:15,180 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:15,180 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:15,180 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:15,180 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:15,181 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:15,181 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:15,181 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:15,182 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:15,182 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:15,182 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:15,182 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:15,183 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:15,183 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:15,183 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:15,183 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:15,184 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:15,184 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:15,185 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:15,186 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:15,186 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:15,186 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:15,186 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:15,187 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:15,187 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:15,187 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:15,187 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:15,188 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:15,188 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:15,188 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:15,188 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:15,188 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:15,189 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:15,189 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:15,189 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:15,189 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:15,189 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:15,190 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:15,190 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:15,190 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:15,190 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:15,191 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:15,191 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:15,191 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:15,191 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:15,191 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:15,192 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:15,193 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:15,193 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:15,193 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:15,194 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:15,194 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:15,194 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:15,194 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:15,195 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:15,195 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:15,195 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:15,197 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:15,197 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:15,197 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:15,199 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:15,200 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:15,200 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:15,200 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:15,201 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:15,201 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:15,201 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:15,201 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:15,202 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:15,202 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:15,202 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:15,202 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:15,203 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:15,203 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:15,203 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:15,203 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:15,203 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:15,204 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:15,204 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:15,204 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:15,205 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:15,205 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:15,205 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:15,206 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:15,206 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:15,214 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:15,218 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:15,219 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:15,219 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:15,219 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:15,220 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:15,220 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:15,220 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:15,220 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:15,221 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:15,221 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:15,221 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:15,222 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:15,222 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:15,231 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:15,232 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:15,232 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:15,232 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:15,233 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:15,233 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:15,233 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:15,233 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:15,234 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:15,234 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:15,234 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:15,234 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:15,234 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:15,235 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:15,235 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:15,235 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:15,235 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:15,236 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:15,236 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:15,237 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:15,243 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:15,243 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:15,243 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:15,254 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:15,255 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:15,255 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:15,255 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:15,255 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:15,256 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:15,256 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:15,258 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:15,279 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:15,280 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:15,280 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:15,280 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:15,281 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:15,281 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:15,281 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:15,281 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:15,281 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:15,281 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:15,282 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:15,282 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:15,282 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:15,282 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:15,282 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:15,282 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:15,283 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:15,283 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:15,284 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:15,284 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:15,284 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:15,284 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:15,284 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:10:15,320 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-16 03:10:15,348 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-16 03:10:15,348 INFO L378 AbstractCegarLoop]: Hoare is false [2020-10-16 03:10:15,348 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-16 03:10:15,348 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-16 03:10:15,348 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-16 03:10:15,349 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-16 03:10:15,349 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-16 03:10:15,349 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-16 03:10:15,367 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 196 places, 204 transitions, 430 flow [2020-10-16 03:10:15,465 INFO L129 PetriNetUnfolder]: 14/204 cut-off events. [2020-10-16 03:10:15,466 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2020-10-16 03:10:15,480 INFO L80 FinitePrefix]: Finished finitePrefix Result has 215 conditions, 204 events. 14/204 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 365 event pairs, 0 based on Foata normal form. 0/189 useless extension candidates. Maximal degree in co-relation 139. Up to 3 conditions per place. [2020-10-16 03:10:15,480 INFO L82 GeneralOperation]: Start removeDead. Operand has 196 places, 204 transitions, 430 flow [2020-10-16 03:10:15,491 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 185 places, 192 transitions, 396 flow [2020-10-16 03:10:15,494 INFO L129 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-10-16 03:10:15,498 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 185 places, 192 transitions, 396 flow [2020-10-16 03:10:15,502 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 185 places, 192 transitions, 396 flow [2020-10-16 03:10:15,503 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 185 places, 192 transitions, 396 flow [2020-10-16 03:10:15,581 INFO L129 PetriNetUnfolder]: 13/194 cut-off events. [2020-10-16 03:10:15,581 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2020-10-16 03:10:15,588 INFO L80 FinitePrefix]: Finished finitePrefix Result has 203 conditions, 194 events. 13/194 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 293 event pairs, 0 based on Foata normal form. 0/179 useless extension candidates. Maximal degree in co-relation 139. Up to 3 conditions per place. [2020-10-16 03:10:15,598 INFO L117 LiptonReduction]: Number of co-enabled transitions 9440 [2020-10-16 03:10:18,594 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 45 [2020-10-16 03:10:19,315 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 75 [2020-10-16 03:10:20,295 WARN L193 SmtUtils]: Spent 653.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 113 [2020-10-16 03:10:20,623 WARN L193 SmtUtils]: Spent 323.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-16 03:10:22,065 WARN L193 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 144 DAG size of output: 138 [2020-10-16 03:10:22,556 WARN L193 SmtUtils]: Spent 488.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2020-10-16 03:10:24,113 WARN L193 SmtUtils]: Spent 1.53 s on a formula simplification. DAG size of input: 152 DAG size of output: 147 [2020-10-16 03:10:24,602 WARN L193 SmtUtils]: Spent 479.00 ms on a formula simplification that was a NOOP. DAG size: 143 [2020-10-16 03:10:24,617 INFO L132 LiptonReduction]: Checked pairs total: 21968 [2020-10-16 03:10:24,618 INFO L134 LiptonReduction]: Total number of compositions: 179 [2020-10-16 03:10:24,620 INFO L182 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 9128 [2020-10-16 03:10:24,625 INFO L129 PetriNetUnfolder]: 0/1 cut-off events. [2020-10-16 03:10:24,625 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-16 03:10:24,626 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 03:10:24,626 INFO L255 CegarLoopForPetriNet]: trace histogram [1] [2020-10-16 03:10:24,627 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 03:10:24,632 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 03:10:24,633 INFO L82 PathProgramCache]: Analyzing trace with hash 804, now seen corresponding path program 1 times [2020-10-16 03:10:24,644 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 03:10:24,644 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1297620376] [2020-10-16 03:10:24,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 03:10:24,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 03:10:24,790 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 03:10:24,791 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1297620376] [2020-10-16 03:10:24,793 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 03:10:24,793 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2020-10-16 03:10:24,794 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [497564514] [2020-10-16 03:10:24,808 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-16 03:10:24,808 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 03:10:24,828 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-16 03:10:24,831 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-16 03:10:24,834 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 365 out of 383 [2020-10-16 03:10:24,837 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 48 places, 49 transitions, 110 flow. Second operand 2 states. [2020-10-16 03:10:24,837 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 03:10:24,837 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 365 of 383 [2020-10-16 03:10:24,839 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 03:10:24,857 INFO L129 PetriNetUnfolder]: 7/50 cut-off events. [2020-10-16 03:10:24,857 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2020-10-16 03:10:24,858 INFO L80 FinitePrefix]: Finished finitePrefix Result has 60 conditions, 50 events. 7/50 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 121 event pairs, 0 based on Foata normal form. 1/43 useless extension candidates. Maximal degree in co-relation 56. Up to 3 conditions per place. [2020-10-16 03:10:24,859 INFO L132 encePairwiseOnDemand]: 382/383 looper letters, 0 selfloop transitions, 0 changer transitions 0/48 dead transitions. [2020-10-16 03:10:24,860 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 48 places, 48 transitions, 108 flow [2020-10-16 03:10:24,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-16 03:10:24,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-10-16 03:10:24,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 731 transitions. [2020-10-16 03:10:24,882 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.9543080939947781 [2020-10-16 03:10:24,883 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 731 transitions. [2020-10-16 03:10:24,883 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 731 transitions. [2020-10-16 03:10:24,887 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 03:10:24,891 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 731 transitions. [2020-10-16 03:10:24,896 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 3 states. [2020-10-16 03:10:24,906 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 3 states. [2020-10-16 03:10:24,906 INFO L81 ComplementDD]: Finished complementDD. Result 3 states. [2020-10-16 03:10:24,908 INFO L185 Difference]: Start difference. First operand has 48 places, 49 transitions, 110 flow. Second operand 2 states and 731 transitions. [2020-10-16 03:10:24,910 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 48 places, 48 transitions, 108 flow [2020-10-16 03:10:24,913 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 44 places, 48 transitions, 100 flow, removed 0 selfloop flow, removed 4 redundant places. [2020-10-16 03:10:24,915 INFO L241 Difference]: Finished difference. Result has 44 places, 48 transitions, 100 flow [2020-10-16 03:10:24,918 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=383, PETRI_DIFFERENCE_MINUEND_FLOW=100, PETRI_DIFFERENCE_MINUEND_PLACES=43, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=48, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=48, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=100, PETRI_PLACES=44, PETRI_TRANSITIONS=48} [2020-10-16 03:10:24,919 INFO L342 CegarLoopForPetriNet]: 48 programPoint places, -4 predicate places. [2020-10-16 03:10:24,919 INFO L481 AbstractCegarLoop]: Abstraction has has 44 places, 48 transitions, 100 flow [2020-10-16 03:10:24,919 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-16 03:10:24,920 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 03:10:24,920 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 03:10:24,920 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-16 03:10:24,920 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 03:10:24,921 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 03:10:24,921 INFO L82 PathProgramCache]: Analyzing trace with hash 1545279757, now seen corresponding path program 1 times [2020-10-16 03:10:24,921 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 03:10:24,921 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [832576717] [2020-10-16 03:10:24,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 03:10:25,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 03:10:25,152 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 03:10:25,153 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [832576717] [2020-10-16 03:10:25,153 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 03:10:25,153 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-16 03:10:25,153 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1993713244] [2020-10-16 03:10:25,156 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-16 03:10:25,157 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 03:10:25,157 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-16 03:10:25,157 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 03:10:25,161 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 342 out of 383 [2020-10-16 03:10:25,162 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 44 places, 48 transitions, 100 flow. Second operand 3 states. [2020-10-16 03:10:25,162 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 03:10:25,163 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 342 of 383 [2020-10-16 03:10:25,163 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 03:10:25,204 INFO L129 PetriNetUnfolder]: 6/67 cut-off events. [2020-10-16 03:10:25,205 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-16 03:10:25,205 INFO L80 FinitePrefix]: Finished finitePrefix Result has 79 conditions, 67 events. 6/67 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 193 event pairs, 0 based on Foata normal form. 1/62 useless extension candidates. Maximal degree in co-relation 76. Up to 5 conditions per place. [2020-10-16 03:10:25,206 INFO L132 encePairwiseOnDemand]: 379/383 looper letters, 2 selfloop transitions, 2 changer transitions 4/49 dead transitions. [2020-10-16 03:10:25,206 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 46 places, 49 transitions, 114 flow [2020-10-16 03:10:25,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-16 03:10:25,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-10-16 03:10:25,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1033 transitions. [2020-10-16 03:10:25,210 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.8990426457789382 [2020-10-16 03:10:25,210 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1033 transitions. [2020-10-16 03:10:25,210 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1033 transitions. [2020-10-16 03:10:25,211 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 03:10:25,211 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1033 transitions. [2020-10-16 03:10:25,213 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 4 states. [2020-10-16 03:10:25,217 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 4 states. [2020-10-16 03:10:25,217 INFO L81 ComplementDD]: Finished complementDD. Result 4 states. [2020-10-16 03:10:25,218 INFO L185 Difference]: Start difference. First operand has 44 places, 48 transitions, 100 flow. Second operand 3 states and 1033 transitions. [2020-10-16 03:10:25,218 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 46 places, 49 transitions, 114 flow [2020-10-16 03:10:25,219 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 46 places, 49 transitions, 114 flow, removed 0 selfloop flow, removed 0 redundant places. [2020-10-16 03:10:25,220 INFO L241 Difference]: Finished difference. Result has 47 places, 45 transitions, 102 flow [2020-10-16 03:10:25,221 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=383, PETRI_DIFFERENCE_MINUEND_FLOW=100, PETRI_DIFFERENCE_MINUEND_PLACES=44, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=48, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=46, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=102, PETRI_PLACES=47, PETRI_TRANSITIONS=45} [2020-10-16 03:10:25,222 INFO L342 CegarLoopForPetriNet]: 48 programPoint places, -1 predicate places. [2020-10-16 03:10:25,222 INFO L481 AbstractCegarLoop]: Abstraction has has 47 places, 45 transitions, 102 flow [2020-10-16 03:10:25,222 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-16 03:10:25,222 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 03:10:25,222 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 03:10:25,223 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-16 03:10:25,223 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 03:10:25,223 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 03:10:25,223 INFO L82 PathProgramCache]: Analyzing trace with hash 1545688737, now seen corresponding path program 1 times [2020-10-16 03:10:25,224 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 03:10:25,225 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [138073923] [2020-10-16 03:10:25,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 03:10:25,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 03:10:25,343 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 03:10:25,344 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [138073923] [2020-10-16 03:10:25,344 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 03:10:25,344 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-16 03:10:25,344 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [399527446] [2020-10-16 03:10:25,345 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-16 03:10:25,345 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 03:10:25,345 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-16 03:10:25,345 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 03:10:25,347 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 330 out of 383 [2020-10-16 03:10:25,348 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 47 places, 45 transitions, 102 flow. Second operand 3 states. [2020-10-16 03:10:25,348 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 03:10:25,348 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 330 of 383 [2020-10-16 03:10:25,348 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 03:10:25,382 INFO L129 PetriNetUnfolder]: 8/70 cut-off events. [2020-10-16 03:10:25,382 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-16 03:10:25,382 INFO L80 FinitePrefix]: Finished finitePrefix Result has 94 conditions, 70 events. 8/70 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 201 event pairs, 1 based on Foata normal form. 3/64 useless extension candidates. Maximal degree in co-relation 89. Up to 6 conditions per place. [2020-10-16 03:10:25,383 INFO L132 encePairwiseOnDemand]: 378/383 looper letters, 1 selfloop transitions, 3 changer transitions 4/45 dead transitions. [2020-10-16 03:10:25,383 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 48 places, 45 transitions, 114 flow [2020-10-16 03:10:25,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-16 03:10:25,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-10-16 03:10:25,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 999 transitions. [2020-10-16 03:10:25,387 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.8694516971279374 [2020-10-16 03:10:25,387 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 999 transitions. [2020-10-16 03:10:25,387 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 999 transitions. [2020-10-16 03:10:25,388 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 03:10:25,388 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 999 transitions. [2020-10-16 03:10:25,390 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 4 states. [2020-10-16 03:10:25,392 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 4 states. [2020-10-16 03:10:25,392 INFO L81 ComplementDD]: Finished complementDD. Result 4 states. [2020-10-16 03:10:25,392 INFO L185 Difference]: Start difference. First operand has 47 places, 45 transitions, 102 flow. Second operand 3 states and 999 transitions. [2020-10-16 03:10:25,392 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 48 places, 45 transitions, 114 flow [2020-10-16 03:10:25,393 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 46 places, 45 transitions, 110 flow, removed 0 selfloop flow, removed 2 redundant places. [2020-10-16 03:10:25,394 INFO L241 Difference]: Finished difference. Result has 46 places, 41 transitions, 95 flow [2020-10-16 03:10:25,394 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=383, PETRI_DIFFERENCE_MINUEND_FLOW=98, PETRI_DIFFERENCE_MINUEND_PLACES=44, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=45, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=42, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=95, PETRI_PLACES=46, PETRI_TRANSITIONS=41} [2020-10-16 03:10:25,395 INFO L342 CegarLoopForPetriNet]: 48 programPoint places, -2 predicate places. [2020-10-16 03:10:25,395 INFO L481 AbstractCegarLoop]: Abstraction has has 46 places, 41 transitions, 95 flow [2020-10-16 03:10:25,395 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-16 03:10:25,395 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 03:10:25,395 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 03:10:25,396 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-16 03:10:25,396 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 03:10:25,396 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 03:10:25,396 INFO L82 PathProgramCache]: Analyzing trace with hash 450998237, now seen corresponding path program 1 times [2020-10-16 03:10:25,396 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 03:10:25,397 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1452608951] [2020-10-16 03:10:25,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 03:10:25,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 03:10:25,471 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 03:10:25,471 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1452608951] [2020-10-16 03:10:25,471 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 03:10:25,471 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-16 03:10:25,472 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [713304386] [2020-10-16 03:10:25,472 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-16 03:10:25,472 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 03:10:25,473 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-16 03:10:25,473 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 03:10:25,476 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 343 out of 383 [2020-10-16 03:10:25,477 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 46 places, 41 transitions, 95 flow. Second operand 3 states. [2020-10-16 03:10:25,477 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 03:10:25,477 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 343 of 383 [2020-10-16 03:10:25,477 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 03:10:25,506 INFO L129 PetriNetUnfolder]: 6/53 cut-off events. [2020-10-16 03:10:25,507 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-16 03:10:25,507 INFO L80 FinitePrefix]: Finished finitePrefix Result has 76 conditions, 53 events. 6/53 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 61 event pairs, 0 based on Foata normal form. 0/47 useless extension candidates. Maximal degree in co-relation 71. Up to 9 conditions per place. [2020-10-16 03:10:25,508 INFO L132 encePairwiseOnDemand]: 379/383 looper letters, 7 selfloop transitions, 3 changer transitions 0/44 dead transitions. [2020-10-16 03:10:25,508 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 45 places, 44 transitions, 121 flow [2020-10-16 03:10:25,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-16 03:10:25,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-10-16 03:10:25,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1040 transitions. [2020-10-16 03:10:25,513 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.9051348999129678 [2020-10-16 03:10:25,514 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1040 transitions. [2020-10-16 03:10:25,514 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1040 transitions. [2020-10-16 03:10:25,517 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 03:10:25,518 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1040 transitions. [2020-10-16 03:10:25,521 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 4 states. [2020-10-16 03:10:25,526 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 4 states. [2020-10-16 03:10:25,526 INFO L81 ComplementDD]: Finished complementDD. Result 4 states. [2020-10-16 03:10:25,526 INFO L185 Difference]: Start difference. First operand has 46 places, 41 transitions, 95 flow. Second operand 3 states and 1040 transitions. [2020-10-16 03:10:25,526 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 45 places, 44 transitions, 121 flow [2020-10-16 03:10:25,528 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 44 places, 44 transitions, 118 flow, removed 0 selfloop flow, removed 1 redundant places. [2020-10-16 03:10:25,529 INFO L241 Difference]: Finished difference. Result has 45 places, 43 transitions, 111 flow [2020-10-16 03:10:25,529 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=383, PETRI_DIFFERENCE_MINUEND_FLOW=92, PETRI_DIFFERENCE_MINUEND_PLACES=42, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=41, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=38, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=111, PETRI_PLACES=45, PETRI_TRANSITIONS=43} [2020-10-16 03:10:25,530 INFO L342 CegarLoopForPetriNet]: 48 programPoint places, -3 predicate places. [2020-10-16 03:10:25,530 INFO L481 AbstractCegarLoop]: Abstraction has has 45 places, 43 transitions, 111 flow [2020-10-16 03:10:25,530 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-16 03:10:25,530 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 03:10:25,530 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 03:10:25,530 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-16 03:10:25,531 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 03:10:25,531 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 03:10:25,531 INFO L82 PathProgramCache]: Analyzing trace with hash -1008237711, now seen corresponding path program 1 times [2020-10-16 03:10:25,531 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 03:10:25,532 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2001213020] [2020-10-16 03:10:25,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 03:10:25,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 03:10:25,637 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 03:10:25,637 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2001213020] [2020-10-16 03:10:25,637 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1375602593] [2020-10-16 03:10:25,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-16 03:10:25,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 03:10:25,797 INFO L263 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 3 conjunts are in the unsatisfiable core [2020-10-16 03:10:25,805 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-16 03:10:25,857 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 03:10:25,857 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-16 03:10:25,857 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 5 [2020-10-16 03:10:25,858 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [350755629] [2020-10-16 03:10:25,858 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-16 03:10:25,858 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 03:10:25,859 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-16 03:10:25,859 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2020-10-16 03:10:25,862 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 343 out of 383 [2020-10-16 03:10:25,863 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 45 places, 43 transitions, 111 flow. Second operand 5 states. [2020-10-16 03:10:25,864 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 03:10:25,864 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 343 of 383 [2020-10-16 03:10:25,864 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 03:10:25,923 INFO L129 PetriNetUnfolder]: 7/64 cut-off events. [2020-10-16 03:10:25,923 INFO L130 PetriNetUnfolder]: For 7/7 co-relation queries the response was YES. [2020-10-16 03:10:25,923 INFO L80 FinitePrefix]: Finished finitePrefix Result has 99 conditions, 64 events. 7/64 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 67 event pairs, 0 based on Foata normal form. 1/59 useless extension candidates. Maximal degree in co-relation 92. Up to 9 conditions per place. [2020-10-16 03:10:25,924 INFO L132 encePairwiseOnDemand]: 379/383 looper letters, 8 selfloop transitions, 5 changer transitions 0/47 dead transitions. [2020-10-16 03:10:25,924 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 48 places, 47 transitions, 149 flow [2020-10-16 03:10:25,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-16 03:10:25,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-10-16 03:10:25,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 1386 transitions. [2020-10-16 03:10:25,933 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.9046997389033943 [2020-10-16 03:10:25,934 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 1386 transitions. [2020-10-16 03:10:25,934 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 1386 transitions. [2020-10-16 03:10:25,935 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 03:10:25,935 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 1386 transitions. [2020-10-16 03:10:25,938 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 5 states. [2020-10-16 03:10:25,941 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 5 states. [2020-10-16 03:10:25,941 INFO L81 ComplementDD]: Finished complementDD. Result 5 states. [2020-10-16 03:10:25,941 INFO L185 Difference]: Start difference. First operand has 45 places, 43 transitions, 111 flow. Second operand 4 states and 1386 transitions. [2020-10-16 03:10:25,942 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 48 places, 47 transitions, 149 flow [2020-10-16 03:10:25,944 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 47 places, 47 transitions, 146 flow, removed 0 selfloop flow, removed 1 redundant places. [2020-10-16 03:10:25,946 INFO L241 Difference]: Finished difference. Result has 48 places, 45 transitions, 136 flow [2020-10-16 03:10:25,946 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=383, PETRI_DIFFERENCE_MINUEND_FLOW=108, PETRI_DIFFERENCE_MINUEND_PLACES=44, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=43, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=38, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=136, PETRI_PLACES=48, PETRI_TRANSITIONS=45} [2020-10-16 03:10:25,947 INFO L342 CegarLoopForPetriNet]: 48 programPoint places, 0 predicate places. [2020-10-16 03:10:25,947 INFO L481 AbstractCegarLoop]: Abstraction has has 48 places, 45 transitions, 136 flow [2020-10-16 03:10:25,947 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-16 03:10:25,947 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 03:10:25,947 INFO L255 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 03:10:26,162 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-16 03:10:26,163 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 03:10:26,163 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 03:10:26,163 INFO L82 PathProgramCache]: Analyzing trace with hash -2123611811, now seen corresponding path program 2 times [2020-10-16 03:10:26,163 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 03:10:26,164 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1562648262] [2020-10-16 03:10:26,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 03:10:26,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 03:10:26,224 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 03:10:26,224 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1562648262] [2020-10-16 03:10:26,224 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1185858479] [2020-10-16 03:10:26,225 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-16 03:10:26,421 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2020-10-16 03:10:26,421 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-10-16 03:10:26,423 INFO L263 TraceCheckSpWp]: Trace formula consists of 230 conjuncts, 4 conjunts are in the unsatisfiable core [2020-10-16 03:10:26,425 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-16 03:10:26,456 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 03:10:26,456 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-16 03:10:26,456 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 6 [2020-10-16 03:10:26,456 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1397302774] [2020-10-16 03:10:26,458 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-16 03:10:26,458 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 03:10:26,458 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-16 03:10:26,458 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2020-10-16 03:10:26,462 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 343 out of 383 [2020-10-16 03:10:26,464 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 48 places, 45 transitions, 136 flow. Second operand 6 states. [2020-10-16 03:10:26,464 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 03:10:26,464 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 343 of 383 [2020-10-16 03:10:26,464 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 03:10:26,534 INFO L129 PetriNetUnfolder]: 8/75 cut-off events. [2020-10-16 03:10:26,535 INFO L130 PetriNetUnfolder]: For 31/31 co-relation queries the response was YES. [2020-10-16 03:10:26,535 INFO L80 FinitePrefix]: Finished finitePrefix Result has 126 conditions, 75 events. 8/75 cut-off events. For 31/31 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 73 event pairs, 0 based on Foata normal form. 1/69 useless extension candidates. Maximal degree in co-relation 118. Up to 10 conditions per place. [2020-10-16 03:10:26,536 INFO L132 encePairwiseOnDemand]: 379/383 looper letters, 9 selfloop transitions, 7 changer transitions 0/50 dead transitions. [2020-10-16 03:10:26,536 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 52 places, 50 transitions, 186 flow [2020-10-16 03:10:26,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-16 03:10:26,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-10-16 03:10:26,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1732 transitions. [2020-10-16 03:10:26,542 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.9044386422976501 [2020-10-16 03:10:26,542 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1732 transitions. [2020-10-16 03:10:26,542 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1732 transitions. [2020-10-16 03:10:26,545 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 03:10:26,545 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1732 transitions. [2020-10-16 03:10:26,550 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 6 states. [2020-10-16 03:10:26,555 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 6 states. [2020-10-16 03:10:26,555 INFO L81 ComplementDD]: Finished complementDD. Result 6 states. [2020-10-16 03:10:26,555 INFO L185 Difference]: Start difference. First operand has 48 places, 45 transitions, 136 flow. Second operand 5 states and 1732 transitions. [2020-10-16 03:10:26,555 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 52 places, 50 transitions, 186 flow [2020-10-16 03:10:26,557 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 50 places, 50 transitions, 176 flow, removed 2 selfloop flow, removed 2 redundant places. [2020-10-16 03:10:26,562 INFO L241 Difference]: Finished difference. Result has 51 places, 47 transitions, 162 flow [2020-10-16 03:10:26,562 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=383, PETRI_DIFFERENCE_MINUEND_FLOW=126, PETRI_DIFFERENCE_MINUEND_PLACES=46, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=45, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=38, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=162, PETRI_PLACES=51, PETRI_TRANSITIONS=47} [2020-10-16 03:10:26,562 INFO L342 CegarLoopForPetriNet]: 48 programPoint places, 3 predicate places. [2020-10-16 03:10:26,562 INFO L481 AbstractCegarLoop]: Abstraction has has 51 places, 47 transitions, 162 flow [2020-10-16 03:10:26,563 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-16 03:10:26,563 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 03:10:26,563 INFO L255 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 03:10:26,778 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-16 03:10:26,779 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 03:10:26,779 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 03:10:26,779 INFO L82 PathProgramCache]: Analyzing trace with hash 46198635, now seen corresponding path program 3 times [2020-10-16 03:10:26,779 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 03:10:26,779 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [40098615] [2020-10-16 03:10:26,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 03:10:26,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 03:10:26,848 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 03:10:26,849 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [40098615] [2020-10-16 03:10:26,849 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [733041397] [2020-10-16 03:10:26,849 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-16 03:10:27,547 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2020-10-16 03:10:27,548 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-10-16 03:10:27,553 INFO L263 TraceCheckSpWp]: Trace formula consists of 263 conjuncts, 5 conjunts are in the unsatisfiable core [2020-10-16 03:10:27,556 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-16 03:10:27,582 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 03:10:27,582 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-16 03:10:27,582 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 7 [2020-10-16 03:10:27,583 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1738712024] [2020-10-16 03:10:27,583 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-16 03:10:27,583 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 03:10:27,584 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-16 03:10:27,584 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2020-10-16 03:10:27,587 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 343 out of 383 [2020-10-16 03:10:27,589 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 51 places, 47 transitions, 162 flow. Second operand 7 states. [2020-10-16 03:10:27,589 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 03:10:27,589 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 343 of 383 [2020-10-16 03:10:27,590 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 03:10:27,666 INFO L129 PetriNetUnfolder]: 9/86 cut-off events. [2020-10-16 03:10:27,667 INFO L130 PetriNetUnfolder]: For 61/61 co-relation queries the response was YES. [2020-10-16 03:10:27,667 INFO L80 FinitePrefix]: Finished finitePrefix Result has 154 conditions, 86 events. 9/86 cut-off events. For 61/61 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 79 event pairs, 0 based on Foata normal form. 1/79 useless extension candidates. Maximal degree in co-relation 145. Up to 11 conditions per place. [2020-10-16 03:10:27,668 INFO L132 encePairwiseOnDemand]: 379/383 looper letters, 10 selfloop transitions, 9 changer transitions 0/53 dead transitions. [2020-10-16 03:10:27,668 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 56 places, 53 transitions, 224 flow [2020-10-16 03:10:27,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-16 03:10:27,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-10-16 03:10:27,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2078 transitions. [2020-10-16 03:10:27,681 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.9042645778938208 [2020-10-16 03:10:27,681 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2078 transitions. [2020-10-16 03:10:27,681 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2078 transitions. [2020-10-16 03:10:27,683 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 03:10:27,683 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2078 transitions. [2020-10-16 03:10:27,688 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 7 states. [2020-10-16 03:10:27,693 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 7 states. [2020-10-16 03:10:27,693 INFO L81 ComplementDD]: Finished complementDD. Result 7 states. [2020-10-16 03:10:27,693 INFO L185 Difference]: Start difference. First operand has 51 places, 47 transitions, 162 flow. Second operand 6 states and 2078 transitions. [2020-10-16 03:10:27,694 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 56 places, 53 transitions, 224 flow [2020-10-16 03:10:27,696 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 53 places, 53 transitions, 206 flow, removed 4 selfloop flow, removed 3 redundant places. [2020-10-16 03:10:27,698 INFO L241 Difference]: Finished difference. Result has 54 places, 49 transitions, 188 flow [2020-10-16 03:10:27,698 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=383, PETRI_DIFFERENCE_MINUEND_FLOW=144, PETRI_DIFFERENCE_MINUEND_PLACES=48, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=47, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=38, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=188, PETRI_PLACES=54, PETRI_TRANSITIONS=49} [2020-10-16 03:10:27,699 INFO L342 CegarLoopForPetriNet]: 48 programPoint places, 6 predicate places. [2020-10-16 03:10:27,699 INFO L481 AbstractCegarLoop]: Abstraction has has 54 places, 49 transitions, 188 flow [2020-10-16 03:10:27,699 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-16 03:10:27,699 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 03:10:27,700 INFO L255 CegarLoopForPetriNet]: trace histogram [4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 03:10:27,915 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-16 03:10:27,916 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 03:10:27,916 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 03:10:27,916 INFO L82 PathProgramCache]: Analyzing trace with hash -480628003, now seen corresponding path program 4 times [2020-10-16 03:10:27,916 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 03:10:27,916 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1901078909] [2020-10-16 03:10:27,917 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 03:10:27,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 03:10:28,074 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 03:10:28,074 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1901078909] [2020-10-16 03:10:28,074 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [103234481] [2020-10-16 03:10:28,075 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-16 03:10:28,312 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2020-10-16 03:10:28,312 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-10-16 03:10:28,314 INFO L263 TraceCheckSpWp]: Trace formula consists of 296 conjuncts, 6 conjunts are in the unsatisfiable core [2020-10-16 03:10:28,317 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-16 03:10:28,349 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 03:10:28,349 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-16 03:10:28,349 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 8 [2020-10-16 03:10:28,349 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [660136328] [2020-10-16 03:10:28,350 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-16 03:10:28,350 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 03:10:28,350 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-16 03:10:28,351 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2020-10-16 03:10:28,354 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 343 out of 383 [2020-10-16 03:10:28,356 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 54 places, 49 transitions, 188 flow. Second operand 8 states. [2020-10-16 03:10:28,356 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 03:10:28,356 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 343 of 383 [2020-10-16 03:10:28,356 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 03:10:28,422 INFO L129 PetriNetUnfolder]: 10/97 cut-off events. [2020-10-16 03:10:28,422 INFO L130 PetriNetUnfolder]: For 97/97 co-relation queries the response was YES. [2020-10-16 03:10:28,423 INFO L80 FinitePrefix]: Finished finitePrefix Result has 182 conditions, 97 events. 10/97 cut-off events. For 97/97 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 85 event pairs, 0 based on Foata normal form. 1/89 useless extension candidates. Maximal degree in co-relation 172. Up to 13 conditions per place. [2020-10-16 03:10:28,424 INFO L132 encePairwiseOnDemand]: 379/383 looper letters, 11 selfloop transitions, 11 changer transitions 0/56 dead transitions. [2020-10-16 03:10:28,424 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 60 places, 56 transitions, 262 flow [2020-10-16 03:10:28,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-16 03:10:28,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2020-10-16 03:10:28,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 2424 transitions. [2020-10-16 03:10:28,431 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.9041402461767997 [2020-10-16 03:10:28,431 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 2424 transitions. [2020-10-16 03:10:28,431 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 2424 transitions. [2020-10-16 03:10:28,433 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 03:10:28,433 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 2424 transitions. [2020-10-16 03:10:28,437 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 8 states. [2020-10-16 03:10:28,441 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 8 states. [2020-10-16 03:10:28,442 INFO L81 ComplementDD]: Finished complementDD. Result 8 states. [2020-10-16 03:10:28,442 INFO L185 Difference]: Start difference. First operand has 54 places, 49 transitions, 188 flow. Second operand 7 states and 2424 transitions. [2020-10-16 03:10:28,442 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 60 places, 56 transitions, 262 flow [2020-10-16 03:10:28,444 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 56 places, 56 transitions, 236 flow, removed 6 selfloop flow, removed 4 redundant places. [2020-10-16 03:10:28,445 INFO L241 Difference]: Finished difference. Result has 57 places, 51 transitions, 214 flow [2020-10-16 03:10:28,445 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=383, PETRI_DIFFERENCE_MINUEND_FLOW=162, PETRI_DIFFERENCE_MINUEND_PLACES=50, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=49, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=38, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=214, PETRI_PLACES=57, PETRI_TRANSITIONS=51} [2020-10-16 03:10:28,446 INFO L342 CegarLoopForPetriNet]: 48 programPoint places, 9 predicate places. [2020-10-16 03:10:28,446 INFO L481 AbstractCegarLoop]: Abstraction has has 57 places, 51 transitions, 214 flow [2020-10-16 03:10:28,446 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-16 03:10:28,446 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 03:10:28,446 INFO L255 CegarLoopForPetriNet]: trace histogram [5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 03:10:28,659 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-16 03:10:28,660 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 03:10:28,660 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 03:10:28,660 INFO L82 PathProgramCache]: Analyzing trace with hash -133673493, now seen corresponding path program 5 times [2020-10-16 03:10:28,661 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 03:10:28,661 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1335942296] [2020-10-16 03:10:28,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 03:10:28,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 03:10:28,803 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 0 proven. 75 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 03:10:28,804 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1335942296] [2020-10-16 03:10:28,804 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019168992] [2020-10-16 03:10:28,804 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-16 03:10:28,989 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2020-10-16 03:10:28,989 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-10-16 03:10:28,992 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 38 conjunts are in the unsatisfiable core [2020-10-16 03:10:28,995 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-16 03:10:29,050 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2020-10-16 03:10:29,051 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-16 03:10:29,054 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 03:10:29,054 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-16 03:10:29,055 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:9 [2020-10-16 03:10:29,104 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 03:10:29,104 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 62 [2020-10-16 03:10:29,105 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-16 03:10:29,143 INFO L625 ElimStorePlain]: treesize reduction 24, result has 62.5 percent of original size [2020-10-16 03:10:29,146 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-16 03:10:29,153 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2020-10-16 03:10:29,154 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:30, output treesize:35 [2020-10-16 03:10:29,239 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-16 03:10:29,254 INFO L173 IndexEqualityManager]: detected equality via solver [2020-10-16 03:10:29,256 INFO L173 IndexEqualityManager]: detected equality via solver [2020-10-16 03:10:29,277 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 03:10:29,278 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 34 treesize of output 57 [2020-10-16 03:10:29,279 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-16 03:10:29,302 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 03:10:29,302 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 54 [2020-10-16 03:10:29,304 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-16 03:10:29,305 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-10-16 03:10:29,397 INFO L625 ElimStorePlain]: treesize reduction 50, result has 64.8 percent of original size [2020-10-16 03:10:29,400 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2020-10-16 03:10:29,401 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:96, output treesize:48 [2020-10-16 03:10:29,441 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-16 03:10:29,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-16 03:10:29,457 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 24 [2020-10-16 03:10:29,458 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-16 03:10:29,465 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2020-10-16 03:10:29,465 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-10-16 03:10:29,493 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 03:10:29,497 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2020-10-16 03:10:29,497 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:78, output treesize:48 [2020-10-16 03:10:29,576 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 13 [2020-10-16 03:10:29,577 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-16 03:10:29,588 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 03:10:29,588 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-16 03:10:29,588 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:47, output treesize:34 [2020-10-16 03:10:29,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-16 03:10:29,636 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 29 [2020-10-16 03:10:29,637 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-16 03:10:29,643 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 03:10:29,645 INFO L545 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-16 03:10:29,645 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:36, output treesize:9 [2020-10-16 03:10:29,681 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 03:10:29,682 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 57 [2020-10-16 03:10:29,682 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-16 03:10:29,699 INFO L625 ElimStorePlain]: treesize reduction 30, result has 44.4 percent of original size [2020-10-16 03:10:29,702 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-16 03:10:29,703 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:34, output treesize:9 [2020-10-16 03:10:29,738 INFO L350 Elim1Store]: treesize reduction 29, result has 23.7 percent of original size [2020-10-16 03:10:29,739 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 24 [2020-10-16 03:10:29,740 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-16 03:10:29,745 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 03:10:29,746 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-16 03:10:29,746 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:25, output treesize:9 [2020-10-16 03:10:29,768 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 63 proven. 8 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-10-16 03:10:29,768 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-16 03:10:29,769 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 11] total 17 [2020-10-16 03:10:29,769 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [266384818] [2020-10-16 03:10:29,770 INFO L461 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-10-16 03:10:29,770 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 03:10:29,770 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-10-16 03:10:29,771 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=214, Unknown=0, NotChecked=0, Total=272 [2020-10-16 03:10:29,776 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 207 out of 383 [2020-10-16 03:10:29,778 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 57 places, 51 transitions, 214 flow. Second operand 17 states. [2020-10-16 03:10:29,778 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 03:10:29,778 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 207 of 383 [2020-10-16 03:10:29,778 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 03:10:33,130 INFO L129 PetriNetUnfolder]: 662/1517 cut-off events. [2020-10-16 03:10:33,130 INFO L130 PetriNetUnfolder]: For 649/649 co-relation queries the response was YES. [2020-10-16 03:10:33,134 INFO L80 FinitePrefix]: Finished finitePrefix Result has 3666 conditions, 1517 events. 662/1517 cut-off events. For 649/649 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 6720 event pairs, 18 based on Foata normal form. 12/1453 useless extension candidates. Maximal degree in co-relation 3655. Up to 208 conditions per place. [2020-10-16 03:10:33,144 INFO L132 encePairwiseOnDemand]: 370/383 looper letters, 266 selfloop transitions, 103 changer transitions 0/376 dead transitions. [2020-10-16 03:10:33,144 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 102 places, 376 transitions, 1776 flow [2020-10-16 03:10:33,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2020-10-16 03:10:33,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 46 states. [2020-10-16 03:10:33,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 9899 transitions. [2020-10-16 03:10:33,172 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.561868543535021 [2020-10-16 03:10:33,173 INFO L72 ComplementDD]: Start complementDD. Operand 46 states and 9899 transitions. [2020-10-16 03:10:33,173 INFO L73 IsDeterministic]: Start isDeterministic. Operand 46 states and 9899 transitions. [2020-10-16 03:10:33,179 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 03:10:33,179 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 46 states and 9899 transitions. [2020-10-16 03:10:33,195 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 47 states. [2020-10-16 03:10:33,218 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 47 states. [2020-10-16 03:10:33,218 INFO L81 ComplementDD]: Finished complementDD. Result 47 states. [2020-10-16 03:10:33,218 INFO L185 Difference]: Start difference. First operand has 57 places, 51 transitions, 214 flow. Second operand 46 states and 9899 transitions. [2020-10-16 03:10:33,218 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 102 places, 376 transitions, 1776 flow [2020-10-16 03:10:33,223 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 97 places, 376 transitions, 1716 flow, removed 16 selfloop flow, removed 5 redundant places. [2020-10-16 03:10:33,232 INFO L241 Difference]: Finished difference. Result has 126 places, 153 transitions, 938 flow [2020-10-16 03:10:33,232 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=383, PETRI_DIFFERENCE_MINUEND_FLOW=180, PETRI_DIFFERENCE_MINUEND_PLACES=52, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=51, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=16, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=29, PETRI_DIFFERENCE_SUBTRAHEND_STATES=46, PETRI_FLOW=938, PETRI_PLACES=126, PETRI_TRANSITIONS=153} [2020-10-16 03:10:33,233 INFO L342 CegarLoopForPetriNet]: 48 programPoint places, 78 predicate places. [2020-10-16 03:10:33,233 INFO L481 AbstractCegarLoop]: Abstraction has has 126 places, 153 transitions, 938 flow [2020-10-16 03:10:33,233 INFO L482 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-10-16 03:10:33,233 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 03:10:33,233 INFO L255 CegarLoopForPetriNet]: trace histogram [6, 6, 6, 6, 4, 4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 03:10:33,449 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-16 03:10:33,450 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 03:10:33,450 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 03:10:33,450 INFO L82 PathProgramCache]: Analyzing trace with hash -1094990691, now seen corresponding path program 1 times [2020-10-16 03:10:33,451 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 03:10:33,451 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1131993927] [2020-10-16 03:10:33,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 03:10:33,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 03:10:33,560 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 96 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 03:10:33,560 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1131993927] [2020-10-16 03:10:33,560 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1846596369] [2020-10-16 03:10:33,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-16 03:10:33,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 03:10:33,667 INFO L263 TraceCheckSpWp]: Trace formula consists of 372 conjuncts, 8 conjunts are in the unsatisfiable core [2020-10-16 03:10:33,670 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-16 03:10:33,694 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 96 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 03:10:33,694 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-16 03:10:33,695 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 10 [2020-10-16 03:10:33,695 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1163366382] [2020-10-16 03:10:33,695 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-16 03:10:33,695 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 03:10:33,696 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-16 03:10:33,696 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=45, Unknown=0, NotChecked=0, Total=90 [2020-10-16 03:10:33,699 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 343 out of 383 [2020-10-16 03:10:33,701 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 126 places, 153 transitions, 938 flow. Second operand 10 states. [2020-10-16 03:10:33,701 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 03:10:33,701 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 343 of 383 [2020-10-16 03:10:33,701 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 03:10:33,873 INFO L129 PetriNetUnfolder]: 81/544 cut-off events. [2020-10-16 03:10:33,874 INFO L130 PetriNetUnfolder]: For 5045/5155 co-relation queries the response was YES. [2020-10-16 03:10:33,878 INFO L80 FinitePrefix]: Finished finitePrefix Result has 2296 conditions, 544 events. 81/544 cut-off events. For 5045/5155 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 2384 event pairs, 15 based on Foata normal form. 5/523 useless extension candidates. Maximal degree in co-relation 2256. Up to 70 conditions per place. [2020-10-16 03:10:33,882 INFO L132 encePairwiseOnDemand]: 379/383 looper letters, 27 selfloop transitions, 25 changer transitions 0/159 dead transitions. [2020-10-16 03:10:33,882 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 134 places, 159 transitions, 1103 flow [2020-10-16 03:10:33,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-16 03:10:33,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2020-10-16 03:10:33,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 3116 transitions. [2020-10-16 03:10:33,890 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.9039744705541051 [2020-10-16 03:10:33,890 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 3116 transitions. [2020-10-16 03:10:33,890 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 3116 transitions. [2020-10-16 03:10:33,892 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 03:10:33,893 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 3116 transitions. [2020-10-16 03:10:33,897 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 10 states. [2020-10-16 03:10:33,902 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 10 states. [2020-10-16 03:10:33,902 INFO L81 ComplementDD]: Finished complementDD. Result 10 states. [2020-10-16 03:10:33,903 INFO L185 Difference]: Start difference. First operand has 126 places, 153 transitions, 938 flow. Second operand 9 states and 3116 transitions. [2020-10-16 03:10:33,903 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 134 places, 159 transitions, 1103 flow [2020-10-16 03:10:33,925 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 128 places, 159 transitions, 1011 flow, removed 30 selfloop flow, removed 6 redundant places. [2020-10-16 03:10:33,928 INFO L241 Difference]: Finished difference. Result has 129 places, 156 transitions, 956 flow [2020-10-16 03:10:33,928 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=383, PETRI_DIFFERENCE_MINUEND_FLOW=856, PETRI_DIFFERENCE_MINUEND_PLACES=120, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=153, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=22, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=128, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=956, PETRI_PLACES=129, PETRI_TRANSITIONS=156} [2020-10-16 03:10:33,928 INFO L342 CegarLoopForPetriNet]: 48 programPoint places, 81 predicate places. [2020-10-16 03:10:33,929 INFO L481 AbstractCegarLoop]: Abstraction has has 129 places, 156 transitions, 956 flow [2020-10-16 03:10:33,929 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-16 03:10:33,929 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 03:10:33,929 INFO L255 CegarLoopForPetriNet]: trace histogram [7, 7, 7, 7, 5, 5, 5, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 03:10:34,142 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-16 03:10:34,143 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 03:10:34,143 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 03:10:34,143 INFO L82 PathProgramCache]: Analyzing trace with hash 693855221, now seen corresponding path program 2 times [2020-10-16 03:10:34,143 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 03:10:34,144 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [799150344] [2020-10-16 03:10:34,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 03:10:34,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 03:10:34,264 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 0 proven. 135 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 03:10:34,264 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [799150344] [2020-10-16 03:10:34,265 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [552447720] [2020-10-16 03:10:34,265 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-16 03:10:34,417 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2020-10-16 03:10:34,417 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-10-16 03:10:34,419 INFO L263 TraceCheckSpWp]: Trace formula consists of 405 conjuncts, 9 conjunts are in the unsatisfiable core [2020-10-16 03:10:34,421 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-16 03:10:34,452 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 0 proven. 135 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 03:10:34,452 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-16 03:10:34,453 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 11 [2020-10-16 03:10:34,453 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [708325873] [2020-10-16 03:10:34,453 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-16 03:10:34,453 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 03:10:34,455 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-16 03:10:34,455 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=55, Unknown=0, NotChecked=0, Total=110 [2020-10-16 03:10:34,459 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 343 out of 383 [2020-10-16 03:10:34,461 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 129 places, 156 transitions, 956 flow. Second operand 11 states. [2020-10-16 03:10:34,461 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 03:10:34,461 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 343 of 383 [2020-10-16 03:10:34,461 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 03:10:34,688 INFO L129 PetriNetUnfolder]: 90/607 cut-off events. [2020-10-16 03:10:34,688 INFO L130 PetriNetUnfolder]: For 5868/5998 co-relation queries the response was YES. [2020-10-16 03:10:34,692 INFO L80 FinitePrefix]: Finished finitePrefix Result has 2591 conditions, 607 events. 90/607 cut-off events. For 5868/5998 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 2641 event pairs, 17 based on Foata normal form. 6/585 useless extension candidates. Maximal degree in co-relation 2550. Up to 83 conditions per place. [2020-10-16 03:10:34,696 INFO L132 encePairwiseOnDemand]: 379/383 looper letters, 30 selfloop transitions, 28 changer transitions 0/165 dead transitions. [2020-10-16 03:10:34,697 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 138 places, 165 transitions, 1145 flow [2020-10-16 03:10:34,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-16 03:10:34,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2020-10-16 03:10:34,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 3462 transitions. [2020-10-16 03:10:34,705 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.9039164490861619 [2020-10-16 03:10:34,705 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 3462 transitions. [2020-10-16 03:10:34,705 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 3462 transitions. [2020-10-16 03:10:34,707 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 03:10:34,707 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 3462 transitions. [2020-10-16 03:10:34,712 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 11 states. [2020-10-16 03:10:34,718 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 11 states. [2020-10-16 03:10:34,718 INFO L81 ComplementDD]: Finished complementDD. Result 11 states. [2020-10-16 03:10:34,718 INFO L185 Difference]: Start difference. First operand has 129 places, 156 transitions, 956 flow. Second operand 10 states and 3462 transitions. [2020-10-16 03:10:34,718 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 138 places, 165 transitions, 1145 flow [2020-10-16 03:10:34,736 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 131 places, 165 transitions, 1080 flow, removed 11 selfloop flow, removed 7 redundant places. [2020-10-16 03:10:34,739 INFO L241 Difference]: Finished difference. Result has 132 places, 159 transitions, 1002 flow [2020-10-16 03:10:34,740 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=383, PETRI_DIFFERENCE_MINUEND_FLOW=891, PETRI_DIFFERENCE_MINUEND_PLACES=122, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=156, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=25, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=128, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=1002, PETRI_PLACES=132, PETRI_TRANSITIONS=159} [2020-10-16 03:10:34,740 INFO L342 CegarLoopForPetriNet]: 48 programPoint places, 84 predicate places. [2020-10-16 03:10:34,740 INFO L481 AbstractCegarLoop]: Abstraction has has 132 places, 159 transitions, 1002 flow [2020-10-16 03:10:34,740 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-16 03:10:34,740 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 03:10:34,740 INFO L255 CegarLoopForPetriNet]: trace histogram [8, 8, 8, 8, 5, 5, 5, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 03:10:34,955 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-16 03:10:34,956 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 03:10:34,956 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 03:10:34,956 INFO L82 PathProgramCache]: Analyzing trace with hash 1493374777, now seen corresponding path program 3 times [2020-10-16 03:10:34,956 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 03:10:34,956 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [564734764] [2020-10-16 03:10:34,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 03:10:34,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 03:10:35,081 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 0 proven. 177 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 03:10:35,081 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [564734764] [2020-10-16 03:10:35,081 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [85055172] [2020-10-16 03:10:35,081 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-16 03:10:36,096 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2020-10-16 03:10:36,097 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-10-16 03:10:36,102 INFO L263 TraceCheckSpWp]: Trace formula consists of 268 conjuncts, 28 conjunts are in the unsatisfiable core [2020-10-16 03:10:36,105 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-16 03:10:36,119 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 45 [2020-10-16 03:10:36,123 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2020-10-16 03:10:36,145 INFO L625 ElimStorePlain]: treesize reduction 25, result has 40.5 percent of original size [2020-10-16 03:10:36,147 INFO L545 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-10-16 03:10:36,148 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:20, output treesize:4 [2020-10-16 03:10:36,187 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2020-10-16 03:10:36,187 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-16 03:10:36,191 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 03:10:36,192 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-16 03:10:36,192 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:18, output treesize:14 [2020-10-16 03:10:36,216 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 24 [2020-10-16 03:10:36,217 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-16 03:10:36,223 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 03:10:36,224 INFO L545 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-16 03:10:36,224 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 5 variables, input treesize:29, output treesize:9 [2020-10-16 03:10:36,265 INFO L173 IndexEqualityManager]: detected equality via solver [2020-10-16 03:10:36,292 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 03:10:36,293 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 34 treesize of output 99 [2020-10-16 03:10:36,294 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-16 03:10:36,322 INFO L625 ElimStorePlain]: treesize reduction 69, result has 28.1 percent of original size [2020-10-16 03:10:36,324 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-16 03:10:36,324 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:37, output treesize:13 [2020-10-16 03:10:36,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-16 03:10:36,351 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 24 [2020-10-16 03:10:36,352 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-16 03:10:36,363 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 03:10:36,364 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-16 03:10:36,364 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:28, output treesize:13 [2020-10-16 03:10:36,373 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 7 [2020-10-16 03:10:36,375 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-16 03:10:36,382 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 03:10:36,382 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-16 03:10:36,383 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:19, output treesize:1 [2020-10-16 03:10:36,391 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 46 proven. 35 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2020-10-16 03:10:36,392 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-16 03:10:36,392 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 7] total 17 [2020-10-16 03:10:36,392 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [839754778] [2020-10-16 03:10:36,393 INFO L461 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-10-16 03:10:36,393 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 03:10:36,393 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-10-16 03:10:36,393 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=201, Unknown=0, NotChecked=0, Total=272 [2020-10-16 03:10:36,397 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 207 out of 383 [2020-10-16 03:10:36,399 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 132 places, 159 transitions, 1002 flow. Second operand 17 states. [2020-10-16 03:10:36,399 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 03:10:36,399 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 207 of 383 [2020-10-16 03:10:36,399 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 03:10:38,316 INFO L129 PetriNetUnfolder]: 697/1617 cut-off events. [2020-10-16 03:10:38,317 INFO L130 PetriNetUnfolder]: For 19936/19936 co-relation queries the response was YES. [2020-10-16 03:10:38,326 INFO L80 FinitePrefix]: Finished finitePrefix Result has 7675 conditions, 1617 events. 697/1617 cut-off events. For 19936/19936 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 6472 event pairs, 85 based on Foata normal form. 71/1674 useless extension candidates. Maximal degree in co-relation 7633. Up to 237 conditions per place. [2020-10-16 03:10:38,338 INFO L132 encePairwiseOnDemand]: 372/383 looper letters, 254 selfloop transitions, 68 changer transitions 0/329 dead transitions. [2020-10-16 03:10:38,338 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 147 places, 329 transitions, 3200 flow [2020-10-16 03:10:38,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2020-10-16 03:10:38,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2020-10-16 03:10:38,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 7137 transitions. [2020-10-16 03:10:38,353 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.5646807500593402 [2020-10-16 03:10:38,354 INFO L72 ComplementDD]: Start complementDD. Operand 33 states and 7137 transitions. [2020-10-16 03:10:38,354 INFO L73 IsDeterministic]: Start isDeterministic. Operand 33 states and 7137 transitions. [2020-10-16 03:10:38,357 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 03:10:38,357 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 33 states and 7137 transitions. [2020-10-16 03:10:38,371 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 34 states. [2020-10-16 03:10:38,381 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 34 states. [2020-10-16 03:10:38,381 INFO L81 ComplementDD]: Finished complementDD. Result 34 states. [2020-10-16 03:10:38,382 INFO L185 Difference]: Start difference. First operand has 132 places, 159 transitions, 1002 flow. Second operand 33 states and 7137 transitions. [2020-10-16 03:10:38,382 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 147 places, 329 transitions, 3200 flow [2020-10-16 03:10:38,404 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 122 places, 329 transitions, 2458 flow, removed 346 selfloop flow, removed 25 redundant places. [2020-10-16 03:10:38,408 INFO L241 Difference]: Finished difference. Result has 141 places, 135 transitions, 933 flow [2020-10-16 03:10:38,409 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=383, PETRI_DIFFERENCE_MINUEND_FLOW=527, PETRI_DIFFERENCE_MINUEND_PLACES=90, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=106, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=39, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=58, PETRI_DIFFERENCE_SUBTRAHEND_STATES=33, PETRI_FLOW=933, PETRI_PLACES=141, PETRI_TRANSITIONS=135} [2020-10-16 03:10:38,409 INFO L342 CegarLoopForPetriNet]: 48 programPoint places, 93 predicate places. [2020-10-16 03:10:38,409 INFO L481 AbstractCegarLoop]: Abstraction has has 141 places, 135 transitions, 933 flow [2020-10-16 03:10:38,409 INFO L482 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-10-16 03:10:38,409 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 03:10:38,410 INFO L255 CegarLoopForPetriNet]: trace histogram [9, 9, 9, 9, 5, 5, 5, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 03:10:38,622 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2020-10-16 03:10:38,623 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 03:10:38,623 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 03:10:38,624 INFO L82 PathProgramCache]: Analyzing trace with hash -645508797, now seen corresponding path program 4 times [2020-10-16 03:10:38,624 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 03:10:38,624 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [267085741] [2020-10-16 03:10:38,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 03:10:38,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 03:10:38,774 INFO L134 CoverageAnalysis]: Checked inductivity of 227 backedges. 0 proven. 227 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 03:10:38,774 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [267085741] [2020-10-16 03:10:38,774 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [694629769] [2020-10-16 03:10:38,775 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-16 03:10:43,428 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2020-10-16 03:10:43,428 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-10-16 03:10:43,459 INFO L263 TraceCheckSpWp]: Trace formula consists of 481 conjuncts, 11 conjunts are in the unsatisfiable core [2020-10-16 03:10:43,461 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-16 03:10:43,490 INFO L134 CoverageAnalysis]: Checked inductivity of 227 backedges. 0 proven. 227 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 03:10:43,490 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-16 03:10:43,490 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 13 [2020-10-16 03:10:43,491 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [166541549] [2020-10-16 03:10:43,491 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-16 03:10:43,491 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 03:10:43,492 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-16 03:10:43,492 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2020-10-16 03:10:43,495 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 343 out of 383 [2020-10-16 03:10:43,498 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 141 places, 135 transitions, 933 flow. Second operand 13 states. [2020-10-16 03:10:43,498 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 03:10:43,498 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 343 of 383 [2020-10-16 03:10:43,498 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 03:10:43,675 INFO L129 PetriNetUnfolder]: 50/456 cut-off events. [2020-10-16 03:10:43,675 INFO L130 PetriNetUnfolder]: For 4333/4443 co-relation queries the response was YES. [2020-10-16 03:10:43,679 INFO L80 FinitePrefix]: Finished finitePrefix Result has 1915 conditions, 456 events. 50/456 cut-off events. For 4333/4443 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 1580 event pairs, 21 based on Foata normal form. 3/434 useless extension candidates. Maximal degree in co-relation 1870. Up to 69 conditions per place. [2020-10-16 03:10:43,682 INFO L132 encePairwiseOnDemand]: 379/383 looper letters, 26 selfloop transitions, 21 changer transitions 0/142 dead transitions. [2020-10-16 03:10:43,682 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 152 places, 142 transitions, 1083 flow [2020-10-16 03:10:43,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-16 03:10:43,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2020-10-16 03:10:43,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 4154 transitions. [2020-10-16 03:10:43,687 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.9038294168842471 [2020-10-16 03:10:43,687 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 4154 transitions. [2020-10-16 03:10:43,687 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 4154 transitions. [2020-10-16 03:10:43,689 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 03:10:43,689 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 4154 transitions. [2020-10-16 03:10:43,693 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 13 states. [2020-10-16 03:10:43,698 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 13 states. [2020-10-16 03:10:43,698 INFO L81 ComplementDD]: Finished complementDD. Result 13 states. [2020-10-16 03:10:43,698 INFO L185 Difference]: Start difference. First operand has 141 places, 135 transitions, 933 flow. Second operand 12 states and 4154 transitions. [2020-10-16 03:10:43,698 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 152 places, 142 transitions, 1083 flow [2020-10-16 03:10:43,714 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 145 places, 142 transitions, 1045 flow, removed 10 selfloop flow, removed 7 redundant places. [2020-10-16 03:10:43,717 INFO L241 Difference]: Finished difference. Result has 146 places, 137 transitions, 977 flow [2020-10-16 03:10:43,717 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=383, PETRI_DIFFERENCE_MINUEND_FLOW=895, PETRI_DIFFERENCE_MINUEND_PLACES=134, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=135, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=19, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=114, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=977, PETRI_PLACES=146, PETRI_TRANSITIONS=137} [2020-10-16 03:10:43,718 INFO L342 CegarLoopForPetriNet]: 48 programPoint places, 98 predicate places. [2020-10-16 03:10:43,718 INFO L481 AbstractCegarLoop]: Abstraction has has 146 places, 137 transitions, 977 flow [2020-10-16 03:10:43,718 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-16 03:10:43,718 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 03:10:43,718 INFO L255 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 03:10:43,931 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-16 03:10:43,932 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 03:10:43,932 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 03:10:43,932 INFO L82 PathProgramCache]: Analyzing trace with hash -1706336605, now seen corresponding path program 5 times [2020-10-16 03:10:43,933 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 03:10:43,933 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [192434560] [2020-10-16 03:10:43,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 03:10:43,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 03:10:44,154 INFO L134 CoverageAnalysis]: Checked inductivity of 285 backedges. 0 proven. 285 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 03:10:44,155 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [192434560] [2020-10-16 03:10:44,155 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1570264586] [2020-10-16 03:10:44,155 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-16 03:10:45,023 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) [2020-10-16 03:10:45,023 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-10-16 03:10:45,028 INFO L263 TraceCheckSpWp]: Trace formula consists of 248 conjuncts, 77 conjunts are in the unsatisfiable core [2020-10-16 03:10:45,031 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-16 03:10:45,068 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 13 [2020-10-16 03:10:45,070 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-16 03:10:45,071 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 03:10:45,071 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-16 03:10:45,072 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:23, output treesize:9 [2020-10-16 03:10:45,110 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 03:10:45,110 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 62 [2020-10-16 03:10:45,111 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-16 03:10:45,144 INFO L625 ElimStorePlain]: treesize reduction 24, result has 62.5 percent of original size [2020-10-16 03:10:45,146 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-16 03:10:45,150 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2020-10-16 03:10:45,150 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:30, output treesize:35 [2020-10-16 03:10:45,234 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-16 03:10:45,248 INFO L173 IndexEqualityManager]: detected equality via solver [2020-10-16 03:10:45,250 INFO L173 IndexEqualityManager]: detected equality via solver [2020-10-16 03:10:45,269 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 03:10:45,270 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 34 treesize of output 57 [2020-10-16 03:10:45,271 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-16 03:10:45,296 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 03:10:45,297 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 54 [2020-10-16 03:10:45,298 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-16 03:10:45,299 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-10-16 03:10:45,387 INFO L625 ElimStorePlain]: treesize reduction 50, result has 64.8 percent of original size [2020-10-16 03:10:45,392 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2020-10-16 03:10:45,393 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:96, output treesize:48 [2020-10-16 03:10:45,442 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-16 03:10:45,456 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2020-10-16 03:10:45,456 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-16 03:10:45,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-16 03:10:45,465 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 24 [2020-10-16 03:10:45,465 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-10-16 03:10:45,499 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 03:10:45,500 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2020-10-16 03:10:45,500 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:78, output treesize:48 [2020-10-16 03:10:45,563 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 5, 1] term [2020-10-16 03:10:45,564 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-16 03:10:45,579 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 18 [2020-10-16 03:10:45,580 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-16 03:10:45,604 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 03:10:45,609 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 15 [2020-10-16 03:10:45,610 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-10-16 03:10:45,626 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 03:10:45,628 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2020-10-16 03:10:45,628 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:84, output treesize:35 [2020-10-16 03:10:45,665 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-16 03:10:45,684 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2020-10-16 03:10:45,684 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-16 03:10:45,718 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 03:10:45,718 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 62 [2020-10-16 03:10:45,723 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-16 03:10:45,729 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-10-16 03:10:45,798 INFO L625 ElimStorePlain]: treesize reduction 24, result has 77.4 percent of original size [2020-10-16 03:10:45,800 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-16 03:10:45,802 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 3 xjuncts. [2020-10-16 03:10:45,802 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:76, output treesize:60 [2020-10-16 03:10:45,890 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-16 03:10:45,912 INFO L173 IndexEqualityManager]: detected equality via solver [2020-10-16 03:10:45,915 INFO L173 IndexEqualityManager]: detected equality via solver [2020-10-16 03:10:45,933 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 03:10:45,933 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 34 treesize of output 57 [2020-10-16 03:10:45,935 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-16 03:10:45,936 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-16 03:10:45,963 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 03:10:45,963 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 54 [2020-10-16 03:10:45,964 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-16 03:10:45,969 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-10-16 03:10:46,062 INFO L625 ElimStorePlain]: treesize reduction 55, result has 64.1 percent of original size [2020-10-16 03:10:46,065 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2020-10-16 03:10:46,065 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:96, output treesize:48 [2020-10-16 03:10:46,120 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-16 03:10:46,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-16 03:10:46,133 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 24 [2020-10-16 03:10:46,134 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-16 03:10:46,140 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2020-10-16 03:10:46,141 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-10-16 03:10:46,176 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 03:10:46,183 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2020-10-16 03:10:46,183 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:78, output treesize:48 [2020-10-16 03:10:46,275 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 13 [2020-10-16 03:10:46,276 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-16 03:10:46,286 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 03:10:46,286 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-16 03:10:46,286 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:47, output treesize:34 [2020-10-16 03:10:46,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-16 03:10:46,336 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 24 [2020-10-16 03:10:46,337 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-16 03:10:46,351 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 03:10:46,352 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-16 03:10:46,352 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:54, output treesize:34 [2020-10-16 03:10:46,463 INFO L173 IndexEqualityManager]: detected equality via solver [2020-10-16 03:10:46,477 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 03:10:46,478 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 34 treesize of output 57 [2020-10-16 03:10:46,479 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-16 03:10:46,525 INFO L625 ElimStorePlain]: treesize reduction 30, result has 64.3 percent of original size [2020-10-16 03:10:46,526 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-16 03:10:46,527 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:64, output treesize:40 [2020-10-16 03:10:46,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-16 03:10:46,586 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 24 [2020-10-16 03:10:46,587 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-16 03:10:46,604 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 03:10:46,610 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-16 03:10:46,611 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:55, output treesize:40 [2020-10-16 03:10:46,679 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 18 [2020-10-16 03:10:46,680 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-16 03:10:46,694 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 03:10:46,694 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-16 03:10:46,695 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:58, output treesize:34 [2020-10-16 03:10:46,749 INFO L721 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2020-10-16 03:10:46,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-16 03:10:46,778 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 40 [2020-10-16 03:10:46,779 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-16 03:10:46,802 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 03:10:46,808 INFO L545 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 1 dim-2 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2020-10-16 03:10:46,808 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 6 variables, input treesize:106, output treesize:70 [2020-10-16 03:10:53,321 WARN L193 SmtUtils]: Spent 551.00 ms on a formula simplification that was a NOOP. DAG size: 33 [2020-10-16 03:10:57,444 WARN L193 SmtUtils]: Spent 2.04 s on a formula simplification that was a NOOP. DAG size: 35 [2020-10-16 03:10:57,480 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 03:10:57,480 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 57 [2020-10-16 03:10:57,481 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-16 03:10:57,482 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-16 03:10:57,535 INFO L625 ElimStorePlain]: treesize reduction 35, result has 72.0 percent of original size [2020-10-16 03:10:57,538 INFO L545 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 1 dim-2 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2020-10-16 03:10:57,539 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 6 variables, input treesize:94, output treesize:70 [2020-10-16 03:11:04,222 WARN L193 SmtUtils]: Spent 2.04 s on a formula simplification that was a NOOP. DAG size: 33 [2020-10-16 03:11:04,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-16 03:11:04,243 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 24 [2020-10-16 03:11:04,244 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-16 03:11:04,258 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 03:11:04,260 INFO L545 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2020-10-16 03:11:04,260 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 5 variables, input treesize:85, output treesize:70 [2020-10-16 03:11:04,312 INFO L134 CoverageAnalysis]: Checked inductivity of 285 backedges. 231 proven. 24 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2020-10-16 03:11:04,312 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-16 03:11:04,313 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 22] total 33 [2020-10-16 03:11:04,315 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1511235167] [2020-10-16 03:11:04,316 INFO L461 AbstractCegarLoop]: Interpolant automaton has 33 states [2020-10-16 03:11:04,316 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 03:11:04,317 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2020-10-16 03:11:04,317 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=191, Invalid=854, Unknown=11, NotChecked=0, Total=1056 [2020-10-16 03:11:04,323 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 202 out of 383 [2020-10-16 03:11:04,326 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 146 places, 137 transitions, 977 flow. Second operand 33 states. [2020-10-16 03:11:04,326 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 03:11:04,326 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 202 of 383 [2020-10-16 03:11:04,326 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 03:11:06,812 WARN L193 SmtUtils]: Spent 2.05 s on a formula simplification that was a NOOP. DAG size: 36 [2020-10-16 03:11:08,293 WARN L193 SmtUtils]: Spent 1.43 s on a formula simplification. DAG size of input: 74 DAG size of output: 45 [2020-10-16 03:11:13,698 WARN L193 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 58 DAG size of output: 41 [2020-10-16 03:11:24,695 WARN L193 SmtUtils]: Spent 4.15 s on a formula simplification. DAG size of input: 62 DAG size of output: 41 [2020-10-16 03:11:36,565 WARN L193 SmtUtils]: Spent 8.28 s on a formula simplification. DAG size of input: 73 DAG size of output: 41 [2020-10-16 03:14:53,614 WARN L193 SmtUtils]: Spent 4.11 s on a formula simplification. DAG size of input: 61 DAG size of output: 55 [2020-10-16 03:15:47,829 WARN L193 SmtUtils]: Spent 8.16 s on a formula simplification. DAG size of input: 76 DAG size of output: 66 [2020-10-16 03:15:56,183 WARN L193 SmtUtils]: Spent 4.15 s on a formula simplification. DAG size of input: 77 DAG size of output: 59 [2020-10-16 03:17:02,928 WARN L193 SmtUtils]: Spent 4.17 s on a formula simplification. DAG size of input: 78 DAG size of output: 60 [2020-10-16 03:18:20,091 WARN L193 SmtUtils]: Spent 4.08 s on a formula simplification. DAG size of input: 62 DAG size of output: 56 [2020-10-16 03:19:18,281 WARN L193 SmtUtils]: Spent 4.09 s on a formula simplification. DAG size of input: 67 DAG size of output: 60 [2020-10-16 03:20:11,796 WARN L193 SmtUtils]: Spent 8.39 s on a formula simplification. DAG size of input: 78 DAG size of output: 60 [2020-10-16 03:21:28,253 WARN L193 SmtUtils]: Spent 4.47 s on a formula simplification. DAG size of input: 79 DAG size of output: 61 [2020-10-16 03:21:50,788 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 34 [2020-10-16 03:22:45,516 WARN L193 SmtUtils]: Spent 4.11 s on a formula simplification. DAG size of input: 62 DAG size of output: 56 [2020-10-16 03:23:24,478 WARN L193 SmtUtils]: Spent 4.11 s on a formula simplification. DAG size of input: 67 DAG size of output: 60 Received shutdown request... [2020-10-16 03:24:52,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2020-10-16 03:24:52,808 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-16 03:24:52,809 WARN L546 AbstractCegarLoop]: Verification canceled [2020-10-16 03:24:52,814 WARN L235 ceAbstractionStarter]: Timeout [2020-10-16 03:24:52,814 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.10 03:24:52 BasicIcfg [2020-10-16 03:24:52,815 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-16 03:24:52,816 INFO L168 Benchmark]: Toolchain (without parser) took 879707.39 ms. Allocated memory was 245.9 MB in the beginning and 608.7 MB in the end (delta: 362.8 MB). Free memory was 201.6 MB in the beginning and 380.2 MB in the end (delta: -178.6 MB). Peak memory consumption was 184.2 MB. Max. memory is 14.2 GB. [2020-10-16 03:24:52,816 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 245.9 MB. Free memory was 223.9 MB in the beginning and 223.1 MB in the end (delta: 839.0 kB). Peak memory consumption was 839.0 kB. Max. memory is 14.2 GB. [2020-10-16 03:24:52,816 INFO L168 Benchmark]: CACSL2BoogieTranslator took 936.36 ms. Allocated memory was 245.9 MB in the beginning and 299.9 MB in the end (delta: 54.0 MB). Free memory was 200.8 MB in the beginning and 225.8 MB in the end (delta: -25.0 MB). Peak memory consumption was 39.2 MB. Max. memory is 14.2 GB. [2020-10-16 03:24:52,817 INFO L168 Benchmark]: Boogie Procedure Inliner took 98.18 ms. Allocated memory is still 299.9 MB. Free memory was 225.8 MB in the beginning and 222.4 MB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 14.2 GB. [2020-10-16 03:24:52,817 INFO L168 Benchmark]: Boogie Preprocessor took 40.38 ms. Allocated memory is still 299.9 MB. Free memory was 222.4 MB in the beginning and 220.7 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 14.2 GB. [2020-10-16 03:24:52,817 INFO L168 Benchmark]: RCFGBuilder took 839.29 ms. Allocated memory is still 299.9 MB. Free memory was 220.7 MB in the beginning and 178.0 MB in the end (delta: 42.7 MB). Peak memory consumption was 42.7 MB. Max. memory is 14.2 GB. [2020-10-16 03:24:52,818 INFO L168 Benchmark]: TraceAbstraction took 877785.40 ms. Allocated memory was 299.9 MB in the beginning and 608.7 MB in the end (delta: 308.8 MB). Free memory was 177.2 MB in the beginning and 380.2 MB in the end (delta: -203.0 MB). Peak memory consumption was 105.8 MB. Max. memory is 14.2 GB. [2020-10-16 03:24:52,820 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 245.9 MB. Free memory was 223.9 MB in the beginning and 223.1 MB in the end (delta: 839.0 kB). Peak memory consumption was 839.0 kB. Max. memory is 14.2 GB. * CACSL2BoogieTranslator took 936.36 ms. Allocated memory was 245.9 MB in the beginning and 299.9 MB in the end (delta: 54.0 MB). Free memory was 200.8 MB in the beginning and 225.8 MB in the end (delta: -25.0 MB). Peak memory consumption was 39.2 MB. Max. memory is 14.2 GB. * Boogie Procedure Inliner took 98.18 ms. Allocated memory is still 299.9 MB. Free memory was 225.8 MB in the beginning and 222.4 MB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 14.2 GB. * Boogie Preprocessor took 40.38 ms. Allocated memory is still 299.9 MB. Free memory was 222.4 MB in the beginning and 220.7 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 14.2 GB. * RCFGBuilder took 839.29 ms. Allocated memory is still 299.9 MB. Free memory was 220.7 MB in the beginning and 178.0 MB in the end (delta: 42.7 MB). Peak memory consumption was 42.7 MB. Max. memory is 14.2 GB. * TraceAbstraction took 877785.40 ms. Allocated memory was 299.9 MB in the beginning and 608.7 MB in the end (delta: 308.8 MB). Free memory was 177.2 MB in the beginning and 380.2 MB in the end (delta: -203.0 MB). Peak memory consumption was 105.8 MB. Max. memory is 14.2 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 6269 VarBasedMoverChecksPositive, 137 VarBasedMoverChecksNegative, 13 SemBasedMoverChecksPositive, 124 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.8s, 511 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 9.1s, 185 PlacesBefore, 48 PlacesAfterwards, 192 TransitionsBefore, 49 TransitionsAfterwards, 9440 CoEnabledTransitionPairs, 8 FixpointIterations, 56 TrivialSequentialCompositions, 95 ConcurrentSequentialCompositions, 4 TrivialYvCompositions, 18 ConcurrentYvCompositions, 6 ChoiceCompositions, 179 TotalNumberOfCompositions, 21968 MoverChecksTotal - TimeoutResultAtElement [Line: 1030]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 1030). Cancelled while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 117 known predicates. - TimeoutResultAtElement [Line: 1014]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 1014). Cancelled while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 117 known predicates. - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 190 locations, 2 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: TIMEOUT, OverallTime: 877.4s, OverallIterations: 14, TraceHistogramMax: 10, AutomataDifference: 835.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 9.2s, HoareTripleCheckerStatistics: 70 SDtfs, 1476 SDslu, 144 SDs, 0 SdLazy, 2633 SolverSat, 1096 SolverUnsat, 185 SolverUnknown, 0 SolverNotchecked, 356.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 962 GetRequests, 688 SyntacticMatches, 11 SemanticMatches, 262 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7038 ImplicationChecksByTransitivity, 468.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1002occurred in iteration=11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 7.8s SatisfiabilityAnalysisTime, 21.8s InterpolantComputationTime, 1257 NumberOfCodeBlocks, 1150 NumberOfCodeBlocksAsserted, 41 NumberOfCheckSat, 1233 ConstructedInterpolants, 5 QuantifiedInterpolants, 342903 SizeOfPredicates, 96 NumberOfNonLiveVariables, 2894 ConjunctsInSsa, 189 ConjunctsInUnsatCore, 24 InterpolantComputations, 4 PerfectInterpolantSequences, 470/2150 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