/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-SemanticLbe.epf -i ../../../trunk/examples/svcomp/pthread/queue_ok.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-7bb8cbd [2020-10-15 23:45:59,516 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-15 23:45:59,519 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-15 23:45:59,559 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-15 23:45:59,560 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-15 23:45:59,568 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-15 23:45:59,571 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-15 23:45:59,575 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-15 23:45:59,577 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-15 23:45:59,580 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-15 23:45:59,581 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-15 23:45:59,582 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-15 23:45:59,582 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-15 23:45:59,585 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-15 23:45:59,587 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-15 23:45:59,589 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-15 23:45:59,591 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-15 23:45:59,592 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-15 23:45:59,593 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-15 23:45:59,601 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-15 23:45:59,603 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-15 23:45:59,604 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-15 23:45:59,605 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-15 23:45:59,606 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-15 23:45:59,618 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-15 23:45:59,623 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-15 23:45:59,623 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-15 23:45:59,624 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-15 23:45:59,625 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-15 23:45:59,626 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-15 23:45:59,626 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-15 23:45:59,630 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-15 23:45:59,630 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-15 23:45:59,631 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-15 23:45:59,635 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-15 23:45:59,635 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-15 23:45:59,636 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-15 23:45:59,636 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-15 23:45:59,636 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-15 23:45:59,640 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-15 23:45:59,641 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-15 23:45:59,642 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-SemanticLbe.epf [2020-10-15 23:45:59,678 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-15 23:45:59,679 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-15 23:45:59,681 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-15 23:45:59,681 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-15 23:45:59,681 INFO L138 SettingsManager]: * Use SBE=true [2020-10-15 23:45:59,681 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-15 23:45:59,681 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-15 23:45:59,682 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-15 23:45:59,682 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-15 23:45:59,682 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-15 23:45:59,683 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-15 23:45:59,683 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-15 23:45:59,684 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-15 23:45:59,684 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-15 23:45:59,684 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-15 23:45:59,684 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-15 23:45:59,685 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-15 23:45:59,685 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-15 23:45:59,685 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-15 23:45:59,685 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-15 23:45:59,686 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-15 23:45:59,686 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-15 23:45:59,686 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-15 23:45:59,687 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-15 23:45:59,687 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-15 23:45:59,687 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-15 23:45:59,687 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-15 23:45:59,687 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2020-10-15 23:45:59,688 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-15 23:46:00,014 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-15 23:46:00,026 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-15 23:46:00,030 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-15 23:46:00,031 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-15 23:46:00,032 INFO L275 PluginConnector]: CDTParser initialized [2020-10-15 23:46:00,033 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread/queue_ok.i [2020-10-15 23:46:00,086 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/06054309a/3a40aa7b70e94138a0b03372f920a9ed/FLAGe3217d9b9 [2020-10-15 23:46:00,675 INFO L306 CDTParser]: Found 1 translation units. [2020-10-15 23:46:00,676 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/queue_ok.i [2020-10-15 23:46:00,692 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/06054309a/3a40aa7b70e94138a0b03372f920a9ed/FLAGe3217d9b9 [2020-10-15 23:46:00,841 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/06054309a/3a40aa7b70e94138a0b03372f920a9ed [2020-10-15 23:46:00,851 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-15 23:46:00,853 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-15 23:46:00,858 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-15 23:46:00,858 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-15 23:46:00,862 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-15 23:46:00,863 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 11:46:00" (1/1) ... [2020-10-15 23:46:00,866 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@537b2b0f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 11:46:00, skipping insertion in model container [2020-10-15 23:46:00,867 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 11:46:00" (1/1) ... [2020-10-15 23:46:00,875 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-15 23:46:00,938 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-15 23:46:01,494 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-15 23:46:01,508 INFO L203 MainTranslator]: Completed pre-run [2020-10-15 23:46:01,559 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-15 23:46:01,723 INFO L208 MainTranslator]: Completed translation [2020-10-15 23:46:01,724 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 11:46:01 WrapperNode [2020-10-15 23:46:01,725 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-15 23:46:01,727 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-15 23:46:01,727 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-15 23:46:01,727 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-15 23:46:01,736 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 11:46:01" (1/1) ... [2020-10-15 23:46:01,776 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 11:46:01" (1/1) ... [2020-10-15 23:46:01,809 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-15 23:46:01,810 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-15 23:46:01,810 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-15 23:46:01,810 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-15 23:46:01,825 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 11:46:01" (1/1) ... [2020-10-15 23:46:01,826 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 11:46:01" (1/1) ... [2020-10-15 23:46:01,830 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 11:46:01" (1/1) ... [2020-10-15 23:46:01,830 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 11:46:01" (1/1) ... [2020-10-15 23:46:01,842 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 11:46:01" (1/1) ... [2020-10-15 23:46:01,847 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 11:46:01" (1/1) ... [2020-10-15 23:46:01,849 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 11:46:01" (1/1) ... [2020-10-15 23:46:01,853 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-15 23:46:01,854 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-15 23:46:01,854 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-15 23:46:01,854 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-15 23:46:01,855 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 11:46:01" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-15 23:46:01,928 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2020-10-15 23:46:01,928 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2020-10-15 23:46:01,928 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2020-10-15 23:46:01,929 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2020-10-15 23:46:01,929 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-15 23:46:01,929 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-15 23:46:01,929 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-15 23:46:01,930 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-15 23:46:01,930 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2020-10-15 23:46:01,930 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-15 23:46:01,930 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-15 23:46:01,930 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-15 23:46:01,932 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-10-15 23:46:02,499 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-15 23:46:02,499 INFO L298 CfgBuilder]: Removed 16 assume(true) statements. [2020-10-15 23:46:02,502 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 11:46:02 BoogieIcfgContainer [2020-10-15 23:46:02,502 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-15 23:46:02,504 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-15 23:46:02,504 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-15 23:46:02,508 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-15 23:46:02,509 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 11:46:00" (1/3) ... [2020-10-15 23:46:02,510 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b1cf1bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 11:46:02, skipping insertion in model container [2020-10-15 23:46:02,510 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 11:46:01" (2/3) ... [2020-10-15 23:46:02,511 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b1cf1bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 11:46:02, skipping insertion in model container [2020-10-15 23:46:02,511 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 11:46:02" (3/3) ... [2020-10-15 23:46:02,513 INFO L111 eAbstractionObserver]: Analyzing ICFG queue_ok.i [2020-10-15 23:46:02,526 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-15 23:46:02,535 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2020-10-15 23:46:02,536 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-15 23:46:02,578 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:02,579 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:02,579 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:02,579 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:02,580 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:02,580 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:02,581 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:02,581 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:02,581 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:02,582 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:02,582 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:02,583 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:02,583 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:02,583 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:02,583 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:02,584 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:02,584 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:02,584 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:02,584 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:02,585 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:02,585 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:02,585 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:02,585 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:02,585 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:02,586 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:02,586 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:02,586 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:02,586 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:02,586 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:02,587 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:02,587 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:02,587 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:02,587 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:02,588 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:02,588 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:02,588 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:02,588 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:02,588 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:02,589 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:02,589 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:02,589 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:02,589 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:02,590 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:02,590 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:02,590 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:02,590 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:02,591 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:02,591 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:02,591 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:02,591 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:02,592 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:02,592 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:02,592 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:02,592 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:02,592 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:02,593 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:02,593 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:02,593 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:02,593 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:02,594 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:02,595 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:02,595 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:02,595 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:02,595 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:02,596 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:02,596 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:02,596 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:02,596 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:02,597 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:02,597 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:02,597 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:02,597 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:02,598 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:02,598 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:02,598 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:02,598 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:02,599 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:02,599 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:02,599 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:02,599 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:02,600 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:02,600 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:02,600 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:02,600 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:02,601 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:02,601 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:02,602 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:02,603 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:02,603 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:02,603 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:02,603 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:02,604 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:02,604 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:02,604 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:02,605 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:02,605 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:02,605 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:02,605 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:02,606 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:02,606 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:02,606 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:02,607 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:02,607 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:02,607 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:02,607 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:02,607 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:02,608 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:02,608 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:02,608 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:02,608 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:02,608 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:02,609 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:02,609 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:02,609 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:02,610 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:02,610 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:02,610 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:02,610 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:02,610 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:02,611 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:02,611 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:02,611 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:02,611 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:02,612 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:02,612 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:02,612 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:02,612 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:02,613 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:02,613 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:02,613 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:02,613 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:02,614 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:02,614 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:02,614 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:02,614 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:02,615 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:02,615 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:02,615 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:02,615 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:02,615 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:02,616 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:02,616 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:02,616 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:02,616 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:02,616 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:02,617 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:02,617 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:02,617 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:02,617 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:02,617 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:02,618 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:02,618 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:02,618 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:02,618 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:02,619 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:02,619 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:02,619 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:02,619 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:02,619 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:02,620 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:02,620 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:02,620 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:02,620 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:02,620 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:02,621 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:02,621 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:02,621 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:02,621 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:02,622 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:02,622 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:02,622 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:02,622 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:02,622 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:02,623 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:02,623 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:02,623 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:02,623 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:02,624 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:02,624 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:02,624 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:02,624 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:02,624 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:02,625 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:02,625 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:02,625 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:02,625 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:02,626 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:02,626 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:02,626 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:02,626 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:02,626 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:02,627 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:02,627 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:02,627 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:02,627 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:02,627 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:02,628 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:02,628 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:02,628 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:02,628 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:02,629 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:02,629 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:02,629 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:02,629 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:02,630 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:02,630 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:02,630 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:02,630 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:02,630 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:02,631 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:02,631 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:02,631 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:02,635 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:02,635 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:02,636 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:02,636 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:02,636 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:02,636 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:02,637 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:02,637 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:02,637 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:02,637 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:02,637 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:02,638 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:02,638 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:02,638 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:02,638 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:02,639 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:02,639 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:02,639 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:02,639 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:02,639 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:02,640 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:02,640 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:02,640 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:02,646 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:02,646 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:02,647 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:02,647 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:02,647 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:02,647 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:02,647 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:02,648 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:02,648 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:02,648 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:02,648 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:02,649 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:02,649 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:02,649 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:02,649 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:02,650 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:02,650 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:02,650 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:02,650 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:02,650 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:02,651 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:02,651 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:02,651 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:02,651 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:02,652 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:02,652 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:02,652 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:02,652 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:02,652 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:02,653 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:02,653 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 23:46:02,695 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-15 23:46:02,715 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-15 23:46:02,716 INFO L378 AbstractCegarLoop]: Hoare is false [2020-10-15 23:46:02,716 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-15 23:46:02,716 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-15 23:46:02,716 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-15 23:46:02,716 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-15 23:46:02,716 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-15 23:46:02,716 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-15 23:46:02,734 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 196 places, 204 transitions, 430 flow [2020-10-15 23:46:02,820 INFO L129 PetriNetUnfolder]: 14/204 cut-off events. [2020-10-15 23:46:02,822 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2020-10-15 23:46:02,834 INFO L80 FinitePrefix]: Finished finitePrefix Result has 215 conditions, 204 events. 14/204 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 365 event pairs, 0 based on Foata normal form. 0/189 useless extension candidates. Maximal degree in co-relation 139. Up to 3 conditions per place. [2020-10-15 23:46:02,835 INFO L82 GeneralOperation]: Start removeDead. Operand has 196 places, 204 transitions, 430 flow [2020-10-15 23:46:02,854 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 185 places, 192 transitions, 396 flow [2020-10-15 23:46:02,857 INFO L129 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-10-15 23:46:02,860 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 185 places, 192 transitions, 396 flow [2020-10-15 23:46:02,862 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 185 places, 192 transitions, 396 flow [2020-10-15 23:46:02,863 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 185 places, 192 transitions, 396 flow [2020-10-15 23:46:02,944 INFO L129 PetriNetUnfolder]: 13/194 cut-off events. [2020-10-15 23:46:02,947 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2020-10-15 23:46:02,952 INFO L80 FinitePrefix]: Finished finitePrefix Result has 203 conditions, 194 events. 13/194 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 293 event pairs, 0 based on Foata normal form. 0/179 useless extension candidates. Maximal degree in co-relation 139. Up to 3 conditions per place. [2020-10-15 23:46:02,962 INFO L117 LiptonReduction]: Number of co-enabled transitions 9440 [2020-10-15 23:46:06,287 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 75 [2020-10-15 23:46:07,260 WARN L193 SmtUtils]: Spent 629.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 113 [2020-10-15 23:46:07,550 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-15 23:46:08,922 WARN L193 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 144 DAG size of output: 138 [2020-10-15 23:46:09,396 WARN L193 SmtUtils]: Spent 472.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2020-10-15 23:46:10,945 WARN L193 SmtUtils]: Spent 1.51 s on a formula simplification. DAG size of input: 152 DAG size of output: 147 [2020-10-15 23:46:11,376 WARN L193 SmtUtils]: Spent 420.00 ms on a formula simplification that was a NOOP. DAG size: 143 [2020-10-15 23:46:11,391 INFO L132 LiptonReduction]: Checked pairs total: 21968 [2020-10-15 23:46:11,392 INFO L134 LiptonReduction]: Total number of compositions: 179 [2020-10-15 23:46:11,394 INFO L182 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 8540 [2020-10-15 23:46:11,399 INFO L129 PetriNetUnfolder]: 0/1 cut-off events. [2020-10-15 23:46:11,399 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-15 23:46:11,399 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-15 23:46:11,400 INFO L255 CegarLoopForPetriNet]: trace histogram [1] [2020-10-15 23:46:11,401 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 23:46:11,406 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 23:46:11,406 INFO L82 PathProgramCache]: Analyzing trace with hash 804, now seen corresponding path program 1 times [2020-10-15 23:46:11,417 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 23:46:11,417 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [804674692] [2020-10-15 23:46:11,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 23:46:11,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 23:46:11,521 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 23:46:11,522 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [804674692] [2020-10-15 23:46:11,523 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 23:46:11,523 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2020-10-15 23:46:11,524 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [494655307] [2020-10-15 23:46:11,534 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-15 23:46:11,534 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 23:46:11,549 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-15 23:46:11,551 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-15 23:46:11,555 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 365 out of 383 [2020-10-15 23:46:11,558 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 48 places, 49 transitions, 110 flow. Second operand 2 states. [2020-10-15 23:46:11,558 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-15 23:46:11,558 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 365 of 383 [2020-10-15 23:46:11,560 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-15 23:46:11,574 INFO L129 PetriNetUnfolder]: 7/50 cut-off events. [2020-10-15 23:46:11,575 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2020-10-15 23:46:11,575 INFO L80 FinitePrefix]: Finished finitePrefix Result has 60 conditions, 50 events. 7/50 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 121 event pairs, 0 based on Foata normal form. 1/43 useless extension candidates. Maximal degree in co-relation 56. Up to 3 conditions per place. [2020-10-15 23:46:11,577 INFO L132 encePairwiseOnDemand]: 382/383 looper letters, 0 selfloop transitions, 0 changer transitions 0/48 dead transitions. [2020-10-15 23:46:11,577 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 48 places, 48 transitions, 108 flow [2020-10-15 23:46:11,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-15 23:46:11,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-10-15 23:46:11,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 731 transitions. [2020-10-15 23:46:11,596 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.9543080939947781 [2020-10-15 23:46:11,596 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 731 transitions. [2020-10-15 23:46:11,597 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 731 transitions. [2020-10-15 23:46:11,600 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-15 23:46:11,603 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 731 transitions. [2020-10-15 23:46:11,608 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 3 states. [2020-10-15 23:46:11,617 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 3 states. [2020-10-15 23:46:11,617 INFO L81 ComplementDD]: Finished complementDD. Result 3 states. [2020-10-15 23:46:11,620 INFO L185 Difference]: Start difference. First operand has 48 places, 49 transitions, 110 flow. Second operand 2 states and 731 transitions. [2020-10-15 23:46:11,621 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 48 places, 48 transitions, 108 flow [2020-10-15 23:46:11,624 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 44 places, 48 transitions, 100 flow, removed 0 selfloop flow, removed 4 redundant places. [2020-10-15 23:46:11,626 INFO L241 Difference]: Finished difference. Result has 44 places, 48 transitions, 100 flow [2020-10-15 23:46:11,629 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=383, PETRI_DIFFERENCE_MINUEND_FLOW=100, PETRI_DIFFERENCE_MINUEND_PLACES=43, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=48, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=48, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=100, PETRI_PLACES=44, PETRI_TRANSITIONS=48} [2020-10-15 23:46:11,630 INFO L342 CegarLoopForPetriNet]: 48 programPoint places, -4 predicate places. [2020-10-15 23:46:11,630 INFO L481 AbstractCegarLoop]: Abstraction has has 44 places, 48 transitions, 100 flow [2020-10-15 23:46:11,630 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-15 23:46:11,630 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-15 23:46:11,631 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 23:46:11,631 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-15 23:46:11,631 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 23:46:11,631 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 23:46:11,632 INFO L82 PathProgramCache]: Analyzing trace with hash 1545279757, now seen corresponding path program 1 times [2020-10-15 23:46:11,632 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 23:46:11,632 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [668367595] [2020-10-15 23:46:11,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 23:46:11,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 23:46:11,809 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 23:46:11,809 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [668367595] [2020-10-15 23:46:11,809 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 23:46:11,810 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-15 23:46:11,810 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2044101619] [2020-10-15 23:46:11,811 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-15 23:46:11,812 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 23:46:11,812 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-15 23:46:11,812 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-15 23:46:11,815 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 342 out of 383 [2020-10-15 23:46:11,815 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 44 places, 48 transitions, 100 flow. Second operand 3 states. [2020-10-15 23:46:11,816 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-15 23:46:11,816 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 342 of 383 [2020-10-15 23:46:11,816 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-15 23:46:11,842 INFO L129 PetriNetUnfolder]: 6/67 cut-off events. [2020-10-15 23:46:11,842 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-15 23:46:11,842 INFO L80 FinitePrefix]: Finished finitePrefix Result has 79 conditions, 67 events. 6/67 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 193 event pairs, 0 based on Foata normal form. 1/62 useless extension candidates. Maximal degree in co-relation 76. Up to 5 conditions per place. [2020-10-15 23:46:11,843 INFO L132 encePairwiseOnDemand]: 379/383 looper letters, 2 selfloop transitions, 2 changer transitions 4/49 dead transitions. [2020-10-15 23:46:11,843 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 46 places, 49 transitions, 114 flow [2020-10-15 23:46:11,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-15 23:46:11,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-10-15 23:46:11,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1033 transitions. [2020-10-15 23:46:11,847 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.8990426457789382 [2020-10-15 23:46:11,847 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1033 transitions. [2020-10-15 23:46:11,847 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1033 transitions. [2020-10-15 23:46:11,848 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-15 23:46:11,849 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1033 transitions. [2020-10-15 23:46:11,851 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 4 states. [2020-10-15 23:46:11,854 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 4 states. [2020-10-15 23:46:11,854 INFO L81 ComplementDD]: Finished complementDD. Result 4 states. [2020-10-15 23:46:11,854 INFO L185 Difference]: Start difference. First operand has 44 places, 48 transitions, 100 flow. Second operand 3 states and 1033 transitions. [2020-10-15 23:46:11,854 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 46 places, 49 transitions, 114 flow [2020-10-15 23:46:11,855 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 46 places, 49 transitions, 114 flow, removed 0 selfloop flow, removed 0 redundant places. [2020-10-15 23:46:11,857 INFO L241 Difference]: Finished difference. Result has 47 places, 45 transitions, 102 flow [2020-10-15 23:46:11,857 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=383, PETRI_DIFFERENCE_MINUEND_FLOW=100, PETRI_DIFFERENCE_MINUEND_PLACES=44, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=48, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=46, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=102, PETRI_PLACES=47, PETRI_TRANSITIONS=45} [2020-10-15 23:46:11,858 INFO L342 CegarLoopForPetriNet]: 48 programPoint places, -1 predicate places. [2020-10-15 23:46:11,858 INFO L481 AbstractCegarLoop]: Abstraction has has 47 places, 45 transitions, 102 flow [2020-10-15 23:46:11,858 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-15 23:46:11,858 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-15 23:46:11,858 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 23:46:11,859 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-15 23:46:11,859 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 23:46:11,859 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 23:46:11,859 INFO L82 PathProgramCache]: Analyzing trace with hash 1545688737, now seen corresponding path program 1 times [2020-10-15 23:46:11,860 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 23:46:11,860 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1285416824] [2020-10-15 23:46:11,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 23:46:11,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 23:46:11,920 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 23:46:11,920 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1285416824] [2020-10-15 23:46:11,921 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 23:46:11,921 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-15 23:46:11,921 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [161665819] [2020-10-15 23:46:11,921 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-15 23:46:11,922 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 23:46:11,922 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-15 23:46:11,922 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-15 23:46:11,924 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 330 out of 383 [2020-10-15 23:46:11,925 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 47 places, 45 transitions, 102 flow. Second operand 3 states. [2020-10-15 23:46:11,925 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-15 23:46:11,925 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 330 of 383 [2020-10-15 23:46:11,925 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-15 23:46:11,956 INFO L129 PetriNetUnfolder]: 8/70 cut-off events. [2020-10-15 23:46:11,956 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-15 23:46:11,956 INFO L80 FinitePrefix]: Finished finitePrefix Result has 94 conditions, 70 events. 8/70 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 201 event pairs, 1 based on Foata normal form. 3/64 useless extension candidates. Maximal degree in co-relation 89. Up to 6 conditions per place. [2020-10-15 23:46:11,957 INFO L132 encePairwiseOnDemand]: 378/383 looper letters, 1 selfloop transitions, 3 changer transitions 4/45 dead transitions. [2020-10-15 23:46:11,957 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 48 places, 45 transitions, 114 flow [2020-10-15 23:46:11,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-15 23:46:11,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-10-15 23:46:11,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 999 transitions. [2020-10-15 23:46:11,961 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.8694516971279374 [2020-10-15 23:46:11,961 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 999 transitions. [2020-10-15 23:46:11,961 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 999 transitions. [2020-10-15 23:46:11,962 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-15 23:46:11,963 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 999 transitions. [2020-10-15 23:46:11,965 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 4 states. [2020-10-15 23:46:11,967 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 4 states. [2020-10-15 23:46:11,967 INFO L81 ComplementDD]: Finished complementDD. Result 4 states. [2020-10-15 23:46:11,967 INFO L185 Difference]: Start difference. First operand has 47 places, 45 transitions, 102 flow. Second operand 3 states and 999 transitions. [2020-10-15 23:46:11,967 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 48 places, 45 transitions, 114 flow [2020-10-15 23:46:11,968 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 46 places, 45 transitions, 110 flow, removed 0 selfloop flow, removed 2 redundant places. [2020-10-15 23:46:11,969 INFO L241 Difference]: Finished difference. Result has 46 places, 41 transitions, 95 flow [2020-10-15 23:46:11,969 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=383, PETRI_DIFFERENCE_MINUEND_FLOW=98, PETRI_DIFFERENCE_MINUEND_PLACES=44, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=45, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=42, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=95, PETRI_PLACES=46, PETRI_TRANSITIONS=41} [2020-10-15 23:46:11,970 INFO L342 CegarLoopForPetriNet]: 48 programPoint places, -2 predicate places. [2020-10-15 23:46:11,970 INFO L481 AbstractCegarLoop]: Abstraction has has 46 places, 41 transitions, 95 flow [2020-10-15 23:46:11,970 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-15 23:46:11,970 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-15 23:46:11,970 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 23:46:11,970 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-15 23:46:11,971 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 23:46:11,971 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 23:46:11,971 INFO L82 PathProgramCache]: Analyzing trace with hash 450998237, now seen corresponding path program 1 times [2020-10-15 23:46:11,971 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 23:46:11,972 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [899361421] [2020-10-15 23:46:11,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 23:46:11,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 23:46:12,028 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 23:46:12,028 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [899361421] [2020-10-15 23:46:12,029 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 23:46:12,029 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-15 23:46:12,029 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1748480998] [2020-10-15 23:46:12,029 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-15 23:46:12,030 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 23:46:12,030 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-15 23:46:12,030 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-15 23:46:12,032 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 343 out of 383 [2020-10-15 23:46:12,033 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 46 places, 41 transitions, 95 flow. Second operand 3 states. [2020-10-15 23:46:12,033 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-15 23:46:12,033 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 343 of 383 [2020-10-15 23:46:12,033 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-15 23:46:12,058 INFO L129 PetriNetUnfolder]: 6/53 cut-off events. [2020-10-15 23:46:12,058 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-15 23:46:12,058 INFO L80 FinitePrefix]: Finished finitePrefix Result has 76 conditions, 53 events. 6/53 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 61 event pairs, 0 based on Foata normal form. 0/47 useless extension candidates. Maximal degree in co-relation 71. Up to 9 conditions per place. [2020-10-15 23:46:12,059 INFO L132 encePairwiseOnDemand]: 379/383 looper letters, 7 selfloop transitions, 3 changer transitions 0/44 dead transitions. [2020-10-15 23:46:12,059 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 45 places, 44 transitions, 121 flow [2020-10-15 23:46:12,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-15 23:46:12,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-10-15 23:46:12,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1040 transitions. [2020-10-15 23:46:12,063 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.9051348999129678 [2020-10-15 23:46:12,063 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1040 transitions. [2020-10-15 23:46:12,063 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1040 transitions. [2020-10-15 23:46:12,064 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-15 23:46:12,064 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1040 transitions. [2020-10-15 23:46:12,067 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 4 states. [2020-10-15 23:46:12,069 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 4 states. [2020-10-15 23:46:12,069 INFO L81 ComplementDD]: Finished complementDD. Result 4 states. [2020-10-15 23:46:12,069 INFO L185 Difference]: Start difference. First operand has 46 places, 41 transitions, 95 flow. Second operand 3 states and 1040 transitions. [2020-10-15 23:46:12,069 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 45 places, 44 transitions, 121 flow [2020-10-15 23:46:12,070 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 44 places, 44 transitions, 118 flow, removed 0 selfloop flow, removed 1 redundant places. [2020-10-15 23:46:12,071 INFO L241 Difference]: Finished difference. Result has 45 places, 43 transitions, 111 flow [2020-10-15 23:46:12,071 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=383, PETRI_DIFFERENCE_MINUEND_FLOW=92, PETRI_DIFFERENCE_MINUEND_PLACES=42, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=41, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=38, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=111, PETRI_PLACES=45, PETRI_TRANSITIONS=43} [2020-10-15 23:46:12,072 INFO L342 CegarLoopForPetriNet]: 48 programPoint places, -3 predicate places. [2020-10-15 23:46:12,072 INFO L481 AbstractCegarLoop]: Abstraction has has 45 places, 43 transitions, 111 flow [2020-10-15 23:46:12,072 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-15 23:46:12,072 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-15 23:46:12,072 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 23:46:12,073 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-15 23:46:12,073 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 23:46:12,073 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 23:46:12,073 INFO L82 PathProgramCache]: Analyzing trace with hash -1008237711, now seen corresponding path program 1 times [2020-10-15 23:46:12,074 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 23:46:12,074 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1470651851] [2020-10-15 23:46:12,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 23:46:12,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 23:46:12,150 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 23:46:12,151 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1470651851] [2020-10-15 23:46:12,151 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [33398093] [2020-10-15 23:46:12,151 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-15 23:46:12,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 23:46:12,276 INFO L263 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 3 conjunts are in the unsatisfiable core [2020-10-15 23:46:12,281 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-15 23:46:12,317 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 23:46:12,318 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-15 23:46:12,318 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 5 [2020-10-15 23:46:12,318 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1451027990] [2020-10-15 23:46:12,319 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-15 23:46:12,319 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 23:46:12,319 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-15 23:46:12,320 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2020-10-15 23:46:12,322 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 343 out of 383 [2020-10-15 23:46:12,323 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 45 places, 43 transitions, 111 flow. Second operand 5 states. [2020-10-15 23:46:12,323 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-15 23:46:12,323 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 343 of 383 [2020-10-15 23:46:12,323 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-15 23:46:12,364 INFO L129 PetriNetUnfolder]: 7/64 cut-off events. [2020-10-15 23:46:12,364 INFO L130 PetriNetUnfolder]: For 7/7 co-relation queries the response was YES. [2020-10-15 23:46:12,364 INFO L80 FinitePrefix]: Finished finitePrefix Result has 99 conditions, 64 events. 7/64 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 67 event pairs, 0 based on Foata normal form. 1/59 useless extension candidates. Maximal degree in co-relation 92. Up to 9 conditions per place. [2020-10-15 23:46:12,365 INFO L132 encePairwiseOnDemand]: 379/383 looper letters, 8 selfloop transitions, 5 changer transitions 0/47 dead transitions. [2020-10-15 23:46:12,365 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 48 places, 47 transitions, 149 flow [2020-10-15 23:46:12,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-15 23:46:12,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-10-15 23:46:12,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 1386 transitions. [2020-10-15 23:46:12,369 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.9046997389033943 [2020-10-15 23:46:12,369 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 1386 transitions. [2020-10-15 23:46:12,370 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 1386 transitions. [2020-10-15 23:46:12,371 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-15 23:46:12,371 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 1386 transitions. [2020-10-15 23:46:12,374 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 5 states. [2020-10-15 23:46:12,377 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 5 states. [2020-10-15 23:46:12,377 INFO L81 ComplementDD]: Finished complementDD. Result 5 states. [2020-10-15 23:46:12,377 INFO L185 Difference]: Start difference. First operand has 45 places, 43 transitions, 111 flow. Second operand 4 states and 1386 transitions. [2020-10-15 23:46:12,377 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 48 places, 47 transitions, 149 flow [2020-10-15 23:46:12,378 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 47 places, 47 transitions, 146 flow, removed 0 selfloop flow, removed 1 redundant places. [2020-10-15 23:46:12,380 INFO L241 Difference]: Finished difference. Result has 48 places, 45 transitions, 136 flow [2020-10-15 23:46:12,380 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=383, PETRI_DIFFERENCE_MINUEND_FLOW=108, PETRI_DIFFERENCE_MINUEND_PLACES=44, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=43, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=38, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=136, PETRI_PLACES=48, PETRI_TRANSITIONS=45} [2020-10-15 23:46:12,380 INFO L342 CegarLoopForPetriNet]: 48 programPoint places, 0 predicate places. [2020-10-15 23:46:12,381 INFO L481 AbstractCegarLoop]: Abstraction has has 48 places, 45 transitions, 136 flow [2020-10-15 23:46:12,381 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-15 23:46:12,381 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-15 23:46:12,381 INFO L255 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 23:46:12,596 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-15 23:46:12,597 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 23:46:12,597 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 23:46:12,597 INFO L82 PathProgramCache]: Analyzing trace with hash -2123611811, now seen corresponding path program 2 times [2020-10-15 23:46:12,598 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 23:46:12,598 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [72724902] [2020-10-15 23:46:12,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 23:46:12,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 23:46:12,715 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 23:46:12,716 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [72724902] [2020-10-15 23:46:12,716 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [542668365] [2020-10-15 23:46:12,716 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-15 23:46:12,914 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2020-10-15 23:46:12,914 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-10-15 23:46:12,916 INFO L263 TraceCheckSpWp]: Trace formula consists of 230 conjuncts, 4 conjunts are in the unsatisfiable core [2020-10-15 23:46:12,919 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-15 23:46:12,943 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 23:46:12,943 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-15 23:46:12,944 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 6 [2020-10-15 23:46:12,944 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1189488507] [2020-10-15 23:46:12,944 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-15 23:46:12,945 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 23:46:12,945 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-15 23:46:12,945 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2020-10-15 23:46:12,948 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 343 out of 383 [2020-10-15 23:46:12,949 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 48 places, 45 transitions, 136 flow. Second operand 6 states. [2020-10-15 23:46:12,950 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-15 23:46:12,950 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 343 of 383 [2020-10-15 23:46:12,950 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-15 23:46:13,000 INFO L129 PetriNetUnfolder]: 8/75 cut-off events. [2020-10-15 23:46:13,000 INFO L130 PetriNetUnfolder]: For 31/31 co-relation queries the response was YES. [2020-10-15 23:46:13,001 INFO L80 FinitePrefix]: Finished finitePrefix Result has 126 conditions, 75 events. 8/75 cut-off events. For 31/31 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 73 event pairs, 0 based on Foata normal form. 1/69 useless extension candidates. Maximal degree in co-relation 118. Up to 10 conditions per place. [2020-10-15 23:46:13,001 INFO L132 encePairwiseOnDemand]: 379/383 looper letters, 9 selfloop transitions, 7 changer transitions 0/50 dead transitions. [2020-10-15 23:46:13,001 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 52 places, 50 transitions, 186 flow [2020-10-15 23:46:13,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-15 23:46:13,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-10-15 23:46:13,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1732 transitions. [2020-10-15 23:46:13,007 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.9044386422976501 [2020-10-15 23:46:13,007 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1732 transitions. [2020-10-15 23:46:13,007 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1732 transitions. [2020-10-15 23:46:13,009 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-15 23:46:13,009 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1732 transitions. [2020-10-15 23:46:13,012 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 6 states. [2020-10-15 23:46:13,016 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 6 states. [2020-10-15 23:46:13,016 INFO L81 ComplementDD]: Finished complementDD. Result 6 states. [2020-10-15 23:46:13,017 INFO L185 Difference]: Start difference. First operand has 48 places, 45 transitions, 136 flow. Second operand 5 states and 1732 transitions. [2020-10-15 23:46:13,017 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 52 places, 50 transitions, 186 flow [2020-10-15 23:46:13,018 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 50 places, 50 transitions, 176 flow, removed 2 selfloop flow, removed 2 redundant places. [2020-10-15 23:46:13,020 INFO L241 Difference]: Finished difference. Result has 51 places, 47 transitions, 162 flow [2020-10-15 23:46:13,020 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=383, PETRI_DIFFERENCE_MINUEND_FLOW=126, PETRI_DIFFERENCE_MINUEND_PLACES=46, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=45, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=38, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=162, PETRI_PLACES=51, PETRI_TRANSITIONS=47} [2020-10-15 23:46:13,020 INFO L342 CegarLoopForPetriNet]: 48 programPoint places, 3 predicate places. [2020-10-15 23:46:13,020 INFO L481 AbstractCegarLoop]: Abstraction has has 51 places, 47 transitions, 162 flow [2020-10-15 23:46:13,021 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-15 23:46:13,021 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-15 23:46:13,021 INFO L255 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 23:46:13,235 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-15 23:46:13,236 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 23:46:13,236 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 23:46:13,236 INFO L82 PathProgramCache]: Analyzing trace with hash 46198635, now seen corresponding path program 3 times [2020-10-15 23:46:13,237 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 23:46:13,237 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [607779348] [2020-10-15 23:46:13,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 23:46:13,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 23:46:13,334 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 23:46:13,335 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [607779348] [2020-10-15 23:46:13,335 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1255491498] [2020-10-15 23:46:13,335 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-15 23:46:14,003 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2020-10-15 23:46:14,004 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-10-15 23:46:14,010 INFO L263 TraceCheckSpWp]: Trace formula consists of 263 conjuncts, 5 conjunts are in the unsatisfiable core [2020-10-15 23:46:14,012 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-15 23:46:14,035 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 23:46:14,035 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-15 23:46:14,035 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 7 [2020-10-15 23:46:14,036 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1484815503] [2020-10-15 23:46:14,036 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-15 23:46:14,036 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 23:46:14,037 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-15 23:46:14,037 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2020-10-15 23:46:14,041 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 343 out of 383 [2020-10-15 23:46:14,043 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 51 places, 47 transitions, 162 flow. Second operand 7 states. [2020-10-15 23:46:14,043 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-15 23:46:14,043 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 343 of 383 [2020-10-15 23:46:14,044 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-15 23:46:14,152 INFO L129 PetriNetUnfolder]: 9/86 cut-off events. [2020-10-15 23:46:14,153 INFO L130 PetriNetUnfolder]: For 61/61 co-relation queries the response was YES. [2020-10-15 23:46:14,154 INFO L80 FinitePrefix]: Finished finitePrefix Result has 154 conditions, 86 events. 9/86 cut-off events. For 61/61 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 79 event pairs, 0 based on Foata normal form. 1/79 useless extension candidates. Maximal degree in co-relation 145. Up to 11 conditions per place. [2020-10-15 23:46:14,155 INFO L132 encePairwiseOnDemand]: 379/383 looper letters, 10 selfloop transitions, 9 changer transitions 0/53 dead transitions. [2020-10-15 23:46:14,155 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 56 places, 53 transitions, 224 flow [2020-10-15 23:46:14,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-15 23:46:14,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-10-15 23:46:14,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2078 transitions. [2020-10-15 23:46:14,161 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.9042645778938208 [2020-10-15 23:46:14,162 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2078 transitions. [2020-10-15 23:46:14,162 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2078 transitions. [2020-10-15 23:46:14,164 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-15 23:46:14,164 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2078 transitions. [2020-10-15 23:46:14,168 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 7 states. [2020-10-15 23:46:14,172 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 7 states. [2020-10-15 23:46:14,173 INFO L81 ComplementDD]: Finished complementDD. Result 7 states. [2020-10-15 23:46:14,173 INFO L185 Difference]: Start difference. First operand has 51 places, 47 transitions, 162 flow. Second operand 6 states and 2078 transitions. [2020-10-15 23:46:14,173 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 56 places, 53 transitions, 224 flow [2020-10-15 23:46:14,177 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 53 places, 53 transitions, 206 flow, removed 4 selfloop flow, removed 3 redundant places. [2020-10-15 23:46:14,178 INFO L241 Difference]: Finished difference. Result has 54 places, 49 transitions, 188 flow [2020-10-15 23:46:14,178 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=383, PETRI_DIFFERENCE_MINUEND_FLOW=144, PETRI_DIFFERENCE_MINUEND_PLACES=48, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=47, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=38, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=188, PETRI_PLACES=54, PETRI_TRANSITIONS=49} [2020-10-15 23:46:14,179 INFO L342 CegarLoopForPetriNet]: 48 programPoint places, 6 predicate places. [2020-10-15 23:46:14,179 INFO L481 AbstractCegarLoop]: Abstraction has has 54 places, 49 transitions, 188 flow [2020-10-15 23:46:14,179 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-15 23:46:14,179 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-15 23:46:14,180 INFO L255 CegarLoopForPetriNet]: trace histogram [4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 23:46:14,394 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-15 23:46:14,395 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 23:46:14,396 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 23:46:14,396 INFO L82 PathProgramCache]: Analyzing trace with hash -480628003, now seen corresponding path program 4 times [2020-10-15 23:46:14,396 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 23:46:14,397 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [337482354] [2020-10-15 23:46:14,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 23:46:14,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 23:46:14,478 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 23:46:14,478 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [337482354] [2020-10-15 23:46:14,479 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [797158274] [2020-10-15 23:46:14,479 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-15 23:46:14,708 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2020-10-15 23:46:14,708 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-10-15 23:46:14,710 INFO L263 TraceCheckSpWp]: Trace formula consists of 296 conjuncts, 6 conjunts are in the unsatisfiable core [2020-10-15 23:46:14,713 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-15 23:46:14,735 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 23:46:14,735 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-15 23:46:14,735 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 8 [2020-10-15 23:46:14,736 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1804058662] [2020-10-15 23:46:14,736 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-15 23:46:14,737 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 23:46:14,737 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-15 23:46:14,737 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2020-10-15 23:46:14,740 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 343 out of 383 [2020-10-15 23:46:14,742 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 54 places, 49 transitions, 188 flow. Second operand 8 states. [2020-10-15 23:46:14,742 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-15 23:46:14,742 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 343 of 383 [2020-10-15 23:46:14,742 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-15 23:46:14,809 INFO L129 PetriNetUnfolder]: 10/97 cut-off events. [2020-10-15 23:46:14,810 INFO L130 PetriNetUnfolder]: For 97/97 co-relation queries the response was YES. [2020-10-15 23:46:14,810 INFO L80 FinitePrefix]: Finished finitePrefix Result has 182 conditions, 97 events. 10/97 cut-off events. For 97/97 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 85 event pairs, 0 based on Foata normal form. 1/89 useless extension candidates. Maximal degree in co-relation 172. Up to 13 conditions per place. [2020-10-15 23:46:14,811 INFO L132 encePairwiseOnDemand]: 379/383 looper letters, 11 selfloop transitions, 11 changer transitions 0/56 dead transitions. [2020-10-15 23:46:14,811 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 60 places, 56 transitions, 262 flow [2020-10-15 23:46:14,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-15 23:46:14,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2020-10-15 23:46:14,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 2424 transitions. [2020-10-15 23:46:14,818 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.9041402461767997 [2020-10-15 23:46:14,818 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 2424 transitions. [2020-10-15 23:46:14,818 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 2424 transitions. [2020-10-15 23:46:14,820 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-15 23:46:14,820 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 2424 transitions. [2020-10-15 23:46:14,824 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 8 states. [2020-10-15 23:46:14,828 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 8 states. [2020-10-15 23:46:14,829 INFO L81 ComplementDD]: Finished complementDD. Result 8 states. [2020-10-15 23:46:14,829 INFO L185 Difference]: Start difference. First operand has 54 places, 49 transitions, 188 flow. Second operand 7 states and 2424 transitions. [2020-10-15 23:46:14,829 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 60 places, 56 transitions, 262 flow [2020-10-15 23:46:14,831 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 56 places, 56 transitions, 236 flow, removed 6 selfloop flow, removed 4 redundant places. [2020-10-15 23:46:14,832 INFO L241 Difference]: Finished difference. Result has 57 places, 51 transitions, 214 flow [2020-10-15 23:46:14,832 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=383, PETRI_DIFFERENCE_MINUEND_FLOW=162, PETRI_DIFFERENCE_MINUEND_PLACES=50, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=49, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=38, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=214, PETRI_PLACES=57, PETRI_TRANSITIONS=51} [2020-10-15 23:46:14,833 INFO L342 CegarLoopForPetriNet]: 48 programPoint places, 9 predicate places. [2020-10-15 23:46:14,833 INFO L481 AbstractCegarLoop]: Abstraction has has 57 places, 51 transitions, 214 flow [2020-10-15 23:46:14,833 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-15 23:46:14,833 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-15 23:46:14,833 INFO L255 CegarLoopForPetriNet]: trace histogram [5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 23:46:15,043 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-15 23:46:15,044 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 23:46:15,044 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 23:46:15,044 INFO L82 PathProgramCache]: Analyzing trace with hash -133673493, now seen corresponding path program 5 times [2020-10-15 23:46:15,044 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 23:46:15,045 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1156153991] [2020-10-15 23:46:15,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 23:46:15,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 23:46:15,145 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 0 proven. 75 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 23:46:15,145 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1156153991] [2020-10-15 23:46:15,145 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1144420282] [2020-10-15 23:46:15,146 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-15 23:46:15,336 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2020-10-15 23:46:15,337 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-10-15 23:46:15,339 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 38 conjunts are in the unsatisfiable core [2020-10-15 23:46:15,342 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-15 23:46:15,391 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2020-10-15 23:46:15,392 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-15 23:46:15,395 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 23:46:15,396 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-15 23:46:15,396 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:9 [2020-10-15 23:46:15,444 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 23:46:15,445 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 62 [2020-10-15 23:46:15,446 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-15 23:46:15,480 INFO L625 ElimStorePlain]: treesize reduction 24, result has 62.5 percent of original size [2020-10-15 23:46:15,483 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-15 23:46:15,489 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2020-10-15 23:46:15,489 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:30, output treesize:35 [2020-10-15 23:46:15,555 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-15 23:46:15,573 INFO L173 IndexEqualityManager]: detected equality via solver [2020-10-15 23:46:15,575 INFO L173 IndexEqualityManager]: detected equality via solver [2020-10-15 23:46:15,591 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 23:46:15,591 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 34 treesize of output 57 [2020-10-15 23:46:15,592 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-15 23:46:15,623 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 23:46:15,624 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 54 [2020-10-15 23:46:15,625 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-15 23:46:15,627 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-10-15 23:46:15,725 INFO L625 ElimStorePlain]: treesize reduction 50, result has 64.8 percent of original size [2020-10-15 23:46:15,729 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2020-10-15 23:46:15,729 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:96, output treesize:48 [2020-10-15 23:46:15,771 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-15 23:46:15,784 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2020-10-15 23:46:15,784 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-15 23:46:15,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-15 23:46:15,795 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 24 [2020-10-15 23:46:15,796 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-10-15 23:46:15,827 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 23:46:15,828 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2020-10-15 23:46:15,829 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:78, output treesize:48 [2020-10-15 23:46:15,909 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 13 [2020-10-15 23:46:15,910 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-15 23:46:15,920 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 23:46:15,920 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-15 23:46:15,921 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:47, output treesize:34 [2020-10-15 23:46:15,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-15 23:46:15,997 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 [2020-10-15 23:46:15,998 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-15 23:46:16,004 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 23:46:16,006 INFO L545 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-15 23:46:16,007 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:36, output treesize:9 [2020-10-15 23:46:16,048 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 23:46:16,049 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 57 [2020-10-15 23:46:16,051 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-15 23:46:16,073 INFO L625 ElimStorePlain]: treesize reduction 30, result has 44.4 percent of original size [2020-10-15 23:46:16,076 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-15 23:46:16,076 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:34, output treesize:9 [2020-10-15 23:46:16,111 INFO L350 Elim1Store]: treesize reduction 29, result has 23.7 percent of original size [2020-10-15 23:46:16,112 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 [2020-10-15 23:46:16,113 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-15 23:46:16,119 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 23:46:16,120 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-15 23:46:16,120 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:25, output treesize:9 [2020-10-15 23:46:16,131 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 63 proven. 8 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-10-15 23:46:16,131 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-15 23:46:16,131 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 11] total 17 [2020-10-15 23:46:16,131 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1650814306] [2020-10-15 23:46:16,132 INFO L461 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-10-15 23:46:16,132 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 23:46:16,132 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-10-15 23:46:16,133 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=214, Unknown=0, NotChecked=0, Total=272 [2020-10-15 23:46:16,137 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 207 out of 383 [2020-10-15 23:46:16,139 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 57 places, 51 transitions, 214 flow. Second operand 17 states. [2020-10-15 23:46:16,139 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-15 23:46:16,139 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 207 of 383 [2020-10-15 23:46:16,139 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-15 23:46:19,796 INFO L129 PetriNetUnfolder]: 662/1517 cut-off events. [2020-10-15 23:46:19,796 INFO L130 PetriNetUnfolder]: For 649/649 co-relation queries the response was YES. [2020-10-15 23:46:19,801 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. [2020-10-15 23:46:19,811 INFO L132 encePairwiseOnDemand]: 370/383 looper letters, 266 selfloop transitions, 103 changer transitions 0/376 dead transitions. [2020-10-15 23:46:19,812 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 102 places, 376 transitions, 1776 flow [2020-10-15 23:46:19,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2020-10-15 23:46:19,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 46 states. [2020-10-15 23:46:19,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 9899 transitions. [2020-10-15 23:46:19,842 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.561868543535021 [2020-10-15 23:46:19,842 INFO L72 ComplementDD]: Start complementDD. Operand 46 states and 9899 transitions. [2020-10-15 23:46:19,842 INFO L73 IsDeterministic]: Start isDeterministic. Operand 46 states and 9899 transitions. [2020-10-15 23:46:19,848 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-15 23:46:19,849 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 46 states and 9899 transitions. [2020-10-15 23:46:19,866 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 47 states. [2020-10-15 23:46:19,893 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 47 states. [2020-10-15 23:46:19,893 INFO L81 ComplementDD]: Finished complementDD. Result 47 states. [2020-10-15 23:46:19,893 INFO L185 Difference]: Start difference. First operand has 57 places, 51 transitions, 214 flow. Second operand 46 states and 9899 transitions. [2020-10-15 23:46:19,893 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 102 places, 376 transitions, 1776 flow [2020-10-15 23:46:19,900 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 97 places, 376 transitions, 1716 flow, removed 16 selfloop flow, removed 5 redundant places. [2020-10-15 23:46:19,910 INFO L241 Difference]: Finished difference. Result has 126 places, 153 transitions, 938 flow [2020-10-15 23:46:19,910 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} [2020-10-15 23:46:19,911 INFO L342 CegarLoopForPetriNet]: 48 programPoint places, 78 predicate places. [2020-10-15 23:46:19,911 INFO L481 AbstractCegarLoop]: Abstraction has has 126 places, 153 transitions, 938 flow [2020-10-15 23:46:19,911 INFO L482 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-10-15 23:46:19,911 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-15 23:46:19,912 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] [2020-10-15 23:46:20,125 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-15 23:46:20,126 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 23:46:20,126 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 23:46:20,126 INFO L82 PathProgramCache]: Analyzing trace with hash -1094990691, now seen corresponding path program 1 times [2020-10-15 23:46:20,126 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 23:46:20,126 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1256957893] [2020-10-15 23:46:20,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 23:46:20,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 23:46:20,275 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 96 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 23:46:20,275 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1256957893] [2020-10-15 23:46:20,275 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1452702977] [2020-10-15 23:46:20,276 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 [2020-10-15 23:46:20,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 23:46:20,423 INFO L263 TraceCheckSpWp]: Trace formula consists of 372 conjuncts, 8 conjunts are in the unsatisfiable core [2020-10-15 23:46:20,440 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-15 23:46:20,507 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 96 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 23:46:20,508 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-15 23:46:20,508 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 10 [2020-10-15 23:46:20,508 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1411581209] [2020-10-15 23:46:20,511 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-15 23:46:20,512 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 23:46:20,512 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-15 23:46:20,512 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=45, Unknown=0, NotChecked=0, Total=90 [2020-10-15 23:46:20,520 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 343 out of 383 [2020-10-15 23:46:20,523 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 126 places, 153 transitions, 938 flow. Second operand 10 states. [2020-10-15 23:46:20,524 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-15 23:46:20,524 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 343 of 383 [2020-10-15 23:46:20,524 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-15 23:46:20,763 INFO L129 PetriNetUnfolder]: 81/544 cut-off events. [2020-10-15 23:46:20,763 INFO L130 PetriNetUnfolder]: For 5045/5155 co-relation queries the response was YES. [2020-10-15 23:46:20,771 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. [2020-10-15 23:46:20,777 INFO L132 encePairwiseOnDemand]: 379/383 looper letters, 27 selfloop transitions, 25 changer transitions 0/159 dead transitions. [2020-10-15 23:46:20,777 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 134 places, 159 transitions, 1103 flow [2020-10-15 23:46:20,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-15 23:46:20,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2020-10-15 23:46:20,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 3116 transitions. [2020-10-15 23:46:20,790 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.9039744705541051 [2020-10-15 23:46:20,790 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 3116 transitions. [2020-10-15 23:46:20,790 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 3116 transitions. [2020-10-15 23:46:20,793 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-15 23:46:20,793 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 3116 transitions. [2020-10-15 23:46:20,800 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 10 states. [2020-10-15 23:46:20,806 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 10 states. [2020-10-15 23:46:20,806 INFO L81 ComplementDD]: Finished complementDD. Result 10 states. [2020-10-15 23:46:20,806 INFO L185 Difference]: Start difference. First operand has 126 places, 153 transitions, 938 flow. Second operand 9 states and 3116 transitions. [2020-10-15 23:46:20,806 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 134 places, 159 transitions, 1103 flow [2020-10-15 23:46:20,846 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 128 places, 159 transitions, 1011 flow, removed 30 selfloop flow, removed 6 redundant places. [2020-10-15 23:46:20,854 INFO L241 Difference]: Finished difference. Result has 129 places, 156 transitions, 956 flow [2020-10-15 23:46:20,855 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} [2020-10-15 23:46:20,856 INFO L342 CegarLoopForPetriNet]: 48 programPoint places, 81 predicate places. [2020-10-15 23:46:20,856 INFO L481 AbstractCegarLoop]: Abstraction has has 129 places, 156 transitions, 956 flow [2020-10-15 23:46:20,856 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-15 23:46:20,856 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-15 23:46:20,856 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] [2020-10-15 23:46:21,071 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-15 23:46:21,072 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 23:46:21,072 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 23:46:21,072 INFO L82 PathProgramCache]: Analyzing trace with hash 693855221, now seen corresponding path program 2 times [2020-10-15 23:46:21,072 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 23:46:21,072 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1895016813] [2020-10-15 23:46:21,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 23:46:21,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 23:46:21,247 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 0 proven. 135 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 23:46:21,247 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1895016813] [2020-10-15 23:46:21,247 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1912951828] [2020-10-15 23:46:21,247 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 [2020-10-15 23:46:21,456 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2020-10-15 23:46:21,456 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-10-15 23:46:21,458 INFO L263 TraceCheckSpWp]: Trace formula consists of 405 conjuncts, 9 conjunts are in the unsatisfiable core [2020-10-15 23:46:21,461 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-15 23:46:21,487 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 0 proven. 135 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 23:46:21,489 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-15 23:46:21,489 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 11 [2020-10-15 23:46:21,489 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1232966345] [2020-10-15 23:46:21,490 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-15 23:46:21,490 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 23:46:21,491 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-15 23:46:21,491 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=55, Unknown=0, NotChecked=0, Total=110 [2020-10-15 23:46:21,495 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 343 out of 383 [2020-10-15 23:46:21,497 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 129 places, 156 transitions, 956 flow. Second operand 11 states. [2020-10-15 23:46:21,497 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-15 23:46:21,497 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 343 of 383 [2020-10-15 23:46:21,497 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-15 23:46:21,730 INFO L129 PetriNetUnfolder]: 90/607 cut-off events. [2020-10-15 23:46:21,730 INFO L130 PetriNetUnfolder]: For 5868/5998 co-relation queries the response was YES. [2020-10-15 23:46:21,735 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. [2020-10-15 23:46:21,740 INFO L132 encePairwiseOnDemand]: 379/383 looper letters, 30 selfloop transitions, 28 changer transitions 0/165 dead transitions. [2020-10-15 23:46:21,741 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 138 places, 165 transitions, 1145 flow [2020-10-15 23:46:21,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-15 23:46:21,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2020-10-15 23:46:21,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 3462 transitions. [2020-10-15 23:46:21,750 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.9039164490861619 [2020-10-15 23:46:21,750 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 3462 transitions. [2020-10-15 23:46:21,750 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 3462 transitions. [2020-10-15 23:46:21,752 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-15 23:46:21,753 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 3462 transitions. [2020-10-15 23:46:21,758 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 11 states. [2020-10-15 23:46:21,764 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 11 states. [2020-10-15 23:46:21,765 INFO L81 ComplementDD]: Finished complementDD. Result 11 states. [2020-10-15 23:46:21,765 INFO L185 Difference]: Start difference. First operand has 129 places, 156 transitions, 956 flow. Second operand 10 states and 3462 transitions. [2020-10-15 23:46:21,765 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 138 places, 165 transitions, 1145 flow [2020-10-15 23:46:21,787 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 131 places, 165 transitions, 1080 flow, removed 11 selfloop flow, removed 7 redundant places. [2020-10-15 23:46:21,790 INFO L241 Difference]: Finished difference. Result has 132 places, 159 transitions, 1002 flow [2020-10-15 23:46:21,790 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} [2020-10-15 23:46:21,790 INFO L342 CegarLoopForPetriNet]: 48 programPoint places, 84 predicate places. [2020-10-15 23:46:21,791 INFO L481 AbstractCegarLoop]: Abstraction has has 132 places, 159 transitions, 1002 flow [2020-10-15 23:46:21,791 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-15 23:46:21,791 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-15 23:46:21,791 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] [2020-10-15 23:46:22,004 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-15 23:46:22,005 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 23:46:22,005 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 23:46:22,006 INFO L82 PathProgramCache]: Analyzing trace with hash 1493374777, now seen corresponding path program 3 times [2020-10-15 23:46:22,006 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 23:46:22,007 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [122949045] [2020-10-15 23:46:22,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 23:46:22,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 23:46:22,131 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 0 proven. 177 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 23:46:22,132 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [122949045] [2020-10-15 23:46:22,132 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [261243748] [2020-10-15 23:46:22,132 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 [2020-10-15 23:46:22,674 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2020-10-15 23:46:22,675 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-10-15 23:46:22,678 INFO L263 TraceCheckSpWp]: Trace formula consists of 268 conjuncts, 28 conjunts are in the unsatisfiable core [2020-10-15 23:46:22,681 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-15 23:46:22,694 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 [2020-10-15 23:46:22,695 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2020-10-15 23:46:22,717 INFO L625 ElimStorePlain]: treesize reduction 25, result has 40.5 percent of original size [2020-10-15 23:46:22,719 INFO L545 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-10-15 23:46:22,720 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:20, output treesize:4 [2020-10-15 23:46:22,747 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 [2020-10-15 23:46:22,747 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-15 23:46:22,752 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 23:46:22,752 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-15 23:46:22,752 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:18, output treesize:14 [2020-10-15 23:46:22,774 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 24 [2020-10-15 23:46:22,775 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-15 23:46:22,780 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 23:46:22,782 INFO L545 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-15 23:46:22,783 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 5 variables, input treesize:29, output treesize:9 [2020-10-15 23:46:22,825 INFO L173 IndexEqualityManager]: detected equality via solver [2020-10-15 23:46:22,850 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 23:46:22,851 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 [2020-10-15 23:46:22,852 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-15 23:46:22,879 INFO L625 ElimStorePlain]: treesize reduction 69, result has 28.1 percent of original size [2020-10-15 23:46:22,884 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-15 23:46:22,885 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:37, output treesize:13 [2020-10-15 23:46:22,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-15 23:46:22,908 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 24 [2020-10-15 23:46:22,909 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-15 23:46:22,918 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 23:46:22,920 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-15 23:46:22,920 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:28, output treesize:13 [2020-10-15 23:46:22,924 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 [2020-10-15 23:46:22,924 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-15 23:46:22,925 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 23:46:22,926 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-15 23:46:22,926 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:19, output treesize:1 [2020-10-15 23:46:22,936 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 46 proven. 35 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2020-10-15 23:46:22,936 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-15 23:46:22,936 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 7] total 17 [2020-10-15 23:46:22,937 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1424547496] [2020-10-15 23:46:22,937 INFO L461 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-10-15 23:46:22,938 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 23:46:22,938 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-10-15 23:46:22,938 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=201, Unknown=0, NotChecked=0, Total=272 [2020-10-15 23:46:22,942 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 207 out of 383 [2020-10-15 23:46:22,944 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 132 places, 159 transitions, 1002 flow. Second operand 17 states. [2020-10-15 23:46:22,944 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-15 23:46:22,944 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 207 of 383 [2020-10-15 23:46:22,944 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-15 23:46:24,939 INFO L129 PetriNetUnfolder]: 697/1617 cut-off events. [2020-10-15 23:46:24,939 INFO L130 PetriNetUnfolder]: For 19936/19936 co-relation queries the response was YES. [2020-10-15 23:46:24,952 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. [2020-10-15 23:46:24,965 INFO L132 encePairwiseOnDemand]: 372/383 looper letters, 254 selfloop transitions, 68 changer transitions 0/329 dead transitions. [2020-10-15 23:46:24,966 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 147 places, 329 transitions, 3200 flow [2020-10-15 23:46:24,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2020-10-15 23:46:24,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2020-10-15 23:46:24,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 7137 transitions. [2020-10-15 23:46:24,992 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.5646807500593402 [2020-10-15 23:46:24,993 INFO L72 ComplementDD]: Start complementDD. Operand 33 states and 7137 transitions. [2020-10-15 23:46:24,993 INFO L73 IsDeterministic]: Start isDeterministic. Operand 33 states and 7137 transitions. [2020-10-15 23:46:24,999 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-15 23:46:24,999 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 33 states and 7137 transitions. [2020-10-15 23:46:25,020 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 34 states. [2020-10-15 23:46:25,033 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 34 states. [2020-10-15 23:46:25,033 INFO L81 ComplementDD]: Finished complementDD. Result 34 states. [2020-10-15 23:46:25,033 INFO L185 Difference]: Start difference. First operand has 132 places, 159 transitions, 1002 flow. Second operand 33 states and 7137 transitions. [2020-10-15 23:46:25,033 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 147 places, 329 transitions, 3200 flow [2020-10-15 23:46:25,065 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 122 places, 329 transitions, 2458 flow, removed 346 selfloop flow, removed 25 redundant places. [2020-10-15 23:46:25,073 INFO L241 Difference]: Finished difference. Result has 141 places, 135 transitions, 933 flow [2020-10-15 23:46:25,073 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} [2020-10-15 23:46:25,073 INFO L342 CegarLoopForPetriNet]: 48 programPoint places, 93 predicate places. [2020-10-15 23:46:25,074 INFO L481 AbstractCegarLoop]: Abstraction has has 141 places, 135 transitions, 933 flow [2020-10-15 23:46:25,074 INFO L482 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-10-15 23:46:25,074 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-15 23:46:25,074 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] [2020-10-15 23:46:25,288 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2020-10-15 23:46:25,289 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 23:46:25,289 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 23:46:25,289 INFO L82 PathProgramCache]: Analyzing trace with hash -645508797, now seen corresponding path program 4 times [2020-10-15 23:46:25,289 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 23:46:25,289 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1097820908] [2020-10-15 23:46:25,289 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 23:46:25,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 23:46:25,423 INFO L134 CoverageAnalysis]: Checked inductivity of 227 backedges. 0 proven. 227 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 23:46:25,424 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1097820908] [2020-10-15 23:46:25,424 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1140597195] [2020-10-15 23:46:25,424 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 [2020-10-15 23:46:30,141 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2020-10-15 23:46:30,141 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-10-15 23:46:30,182 INFO L263 TraceCheckSpWp]: Trace formula consists of 481 conjuncts, 11 conjunts are in the unsatisfiable core [2020-10-15 23:46:30,184 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-15 23:46:30,206 INFO L134 CoverageAnalysis]: Checked inductivity of 227 backedges. 0 proven. 227 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 23:46:30,206 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-15 23:46:30,206 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 13 [2020-10-15 23:46:30,207 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1694876548] [2020-10-15 23:46:30,207 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-15 23:46:30,207 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 23:46:30,207 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-15 23:46:30,208 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2020-10-15 23:46:30,211 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 343 out of 383 [2020-10-15 23:46:30,212 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 141 places, 135 transitions, 933 flow. Second operand 13 states. [2020-10-15 23:46:30,212 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-15 23:46:30,212 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 343 of 383 [2020-10-15 23:46:30,213 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-15 23:46:30,434 INFO L129 PetriNetUnfolder]: 50/456 cut-off events. [2020-10-15 23:46:30,434 INFO L130 PetriNetUnfolder]: For 4333/4443 co-relation queries the response was YES. [2020-10-15 23:46:30,441 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. [2020-10-15 23:46:30,444 INFO L132 encePairwiseOnDemand]: 379/383 looper letters, 26 selfloop transitions, 21 changer transitions 0/142 dead transitions. [2020-10-15 23:46:30,444 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 152 places, 142 transitions, 1083 flow [2020-10-15 23:46:30,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-15 23:46:30,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2020-10-15 23:46:30,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 4154 transitions. [2020-10-15 23:46:30,449 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.9038294168842471 [2020-10-15 23:46:30,449 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 4154 transitions. [2020-10-15 23:46:30,449 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 4154 transitions. [2020-10-15 23:46:30,450 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-15 23:46:30,451 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 4154 transitions. [2020-10-15 23:46:30,457 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 13 states. [2020-10-15 23:46:30,464 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 13 states. [2020-10-15 23:46:30,464 INFO L81 ComplementDD]: Finished complementDD. Result 13 states. [2020-10-15 23:46:30,464 INFO L185 Difference]: Start difference. First operand has 141 places, 135 transitions, 933 flow. Second operand 12 states and 4154 transitions. [2020-10-15 23:46:30,465 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 152 places, 142 transitions, 1083 flow [2020-10-15 23:46:30,479 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 145 places, 142 transitions, 1045 flow, removed 10 selfloop flow, removed 7 redundant places. [2020-10-15 23:46:30,482 INFO L241 Difference]: Finished difference. Result has 146 places, 137 transitions, 977 flow [2020-10-15 23:46:30,484 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} [2020-10-15 23:46:30,484 INFO L342 CegarLoopForPetriNet]: 48 programPoint places, 98 predicate places. [2020-10-15 23:46:30,484 INFO L481 AbstractCegarLoop]: Abstraction has has 146 places, 137 transitions, 977 flow [2020-10-15 23:46:30,484 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-15 23:46:30,484 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-15 23:46:30,484 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] [2020-10-15 23:46:30,697 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-15 23:46:30,698 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 23:46:30,698 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 23:46:30,698 INFO L82 PathProgramCache]: Analyzing trace with hash -1706336605, now seen corresponding path program 5 times [2020-10-15 23:46:30,698 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 23:46:30,698 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1480208780] [2020-10-15 23:46:30,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 23:46:30,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 23:46:30,851 INFO L134 CoverageAnalysis]: Checked inductivity of 285 backedges. 0 proven. 285 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 23:46:30,852 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1480208780] [2020-10-15 23:46:30,852 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1997502794] [2020-10-15 23:46:30,852 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 [2020-10-15 23:46:31,549 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) [2020-10-15 23:46:31,549 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-10-15 23:46:31,554 INFO L263 TraceCheckSpWp]: Trace formula consists of 248 conjuncts, 77 conjunts are in the unsatisfiable core [2020-10-15 23:46:31,557 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-15 23:46:31,590 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 13 [2020-10-15 23:46:31,591 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-15 23:46:31,592 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 23:46:31,593 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-15 23:46:31,593 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:23, output treesize:9 [2020-10-15 23:46:31,637 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 23:46:31,637 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 62 [2020-10-15 23:46:31,638 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-15 23:46:31,670 INFO L625 ElimStorePlain]: treesize reduction 24, result has 62.5 percent of original size [2020-10-15 23:46:31,672 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-15 23:46:31,676 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2020-10-15 23:46:31,677 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:30, output treesize:35 [2020-10-15 23:46:31,752 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-15 23:46:31,771 INFO L173 IndexEqualityManager]: detected equality via solver [2020-10-15 23:46:31,773 INFO L173 IndexEqualityManager]: detected equality via solver [2020-10-15 23:46:31,789 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 23:46:31,789 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 34 treesize of output 57 [2020-10-15 23:46:31,790 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-15 23:46:31,816 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 23:46:31,817 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 54 [2020-10-15 23:46:31,818 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-15 23:46:31,819 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-10-15 23:46:31,916 INFO L625 ElimStorePlain]: treesize reduction 50, result has 64.8 percent of original size [2020-10-15 23:46:31,919 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2020-10-15 23:46:31,919 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:96, output treesize:48 [2020-10-15 23:46:31,973 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-15 23:46:31,984 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2020-10-15 23:46:31,985 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-15 23:46:31,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-15 23:46:31,997 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 24 [2020-10-15 23:46:31,998 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-10-15 23:46:32,030 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 23:46:32,032 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2020-10-15 23:46:32,032 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:78, output treesize:48 [2020-10-15 23:46:32,093 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 5, 1] term [2020-10-15 23:46:32,094 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-15 23:46:32,102 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 [2020-10-15 23:46:32,102 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-15 23:46:32,126 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 23:46:32,136 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 [2020-10-15 23:46:32,140 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-10-15 23:46:32,157 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 23:46:32,159 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2020-10-15 23:46:32,159 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:84, output treesize:35 [2020-10-15 23:46:32,195 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-15 23:46:32,213 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2020-10-15 23:46:32,213 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-15 23:46:32,242 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 23:46:32,243 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 62 [2020-10-15 23:46:32,244 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-15 23:46:32,250 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-10-15 23:46:32,326 INFO L625 ElimStorePlain]: treesize reduction 24, result has 77.4 percent of original size [2020-10-15 23:46:32,327 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-15 23:46:32,329 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 3 xjuncts. [2020-10-15 23:46:32,330 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:76, output treesize:60 [2020-10-15 23:46:32,413 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-15 23:46:32,427 INFO L173 IndexEqualityManager]: detected equality via solver [2020-10-15 23:46:32,429 INFO L173 IndexEqualityManager]: detected equality via solver [2020-10-15 23:46:32,448 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 23:46:32,449 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 34 treesize of output 57 [2020-10-15 23:46:32,450 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-15 23:46:32,451 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-15 23:46:32,472 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 23:46:32,473 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 54 [2020-10-15 23:46:32,474 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-15 23:46:32,474 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-10-15 23:46:32,569 INFO L625 ElimStorePlain]: treesize reduction 55, result has 64.1 percent of original size [2020-10-15 23:46:32,572 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2020-10-15 23:46:32,572 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:96, output treesize:48 [2020-10-15 23:46:32,630 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-15 23:46:32,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-15 23:46:32,648 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 24 [2020-10-15 23:46:32,649 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-15 23:46:32,656 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2020-10-15 23:46:32,656 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-10-15 23:46:32,691 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 23:46:32,693 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2020-10-15 23:46:32,694 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:78, output treesize:48 [2020-10-15 23:46:32,779 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 13 [2020-10-15 23:46:32,781 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-15 23:46:32,790 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 23:46:32,791 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-15 23:46:32,791 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:47, output treesize:34 [2020-10-15 23:46:32,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-15 23:46:32,841 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 24 [2020-10-15 23:46:32,842 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-15 23:46:32,858 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 23:46:32,862 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-15 23:46:32,862 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:54, output treesize:34 [2020-10-15 23:46:32,961 INFO L173 IndexEqualityManager]: detected equality via solver [2020-10-15 23:46:32,976 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 23:46:32,977 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 34 treesize of output 57 [2020-10-15 23:46:32,978 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-15 23:46:33,026 INFO L625 ElimStorePlain]: treesize reduction 30, result has 64.3 percent of original size [2020-10-15 23:46:33,027 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-15 23:46:33,027 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:64, output treesize:40 [2020-10-15 23:46:33,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-15 23:46:33,088 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 24 [2020-10-15 23:46:33,089 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-15 23:46:33,107 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 23:46:33,113 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-15 23:46:33,114 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:55, output treesize:40 [2020-10-15 23:46:33,179 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 [2020-10-15 23:46:33,180 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-15 23:46:33,192 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 23:46:33,193 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-15 23:46:33,193 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:58, output treesize:34 [2020-10-15 23:46:33,251 INFO L721 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2020-10-15 23:46:33,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-15 23:46:33,293 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 [2020-10-15 23:46:33,295 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-15 23:46:33,319 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 23:46:33,325 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. [2020-10-15 23:46:33,326 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 6 variables, input treesize:106, output treesize:70 [2020-10-15 23:46:45,840 WARN L193 SmtUtils]: Spent 927.00 ms on a formula simplification that was a NOOP. DAG size: 33 [2020-10-15 23:46:50,005 WARN L193 SmtUtils]: Spent 2.05 s on a formula simplification that was a NOOP. DAG size: 35 [2020-10-15 23:46:50,031 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 23:46:50,032 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 57 [2020-10-15 23:46:50,032 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-15 23:46:50,034 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-15 23:46:50,082 INFO L625 ElimStorePlain]: treesize reduction 35, result has 72.0 percent of original size [2020-10-15 23:46:50,093 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. [2020-10-15 23:46:50,093 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 6 variables, input treesize:94, output treesize:70 [2020-10-15 23:46:55,733 WARN L193 SmtUtils]: Spent 2.04 s on a formula simplification that was a NOOP. DAG size: 33 [2020-10-15 23:46:55,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-15 23:46:55,764 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 24 [2020-10-15 23:46:55,765 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-15 23:46:55,779 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 23:46:55,782 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. [2020-10-15 23:46:55,782 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 5 variables, input treesize:85, output treesize:70 [2020-10-15 23:46:55,844 INFO L134 CoverageAnalysis]: Checked inductivity of 285 backedges. 231 proven. 24 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2020-10-15 23:46:55,844 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-15 23:46:55,844 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 22] total 33 [2020-10-15 23:46:55,848 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1924672996] [2020-10-15 23:46:55,849 INFO L461 AbstractCegarLoop]: Interpolant automaton has 33 states [2020-10-15 23:46:55,850 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 23:46:55,851 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2020-10-15 23:46:55,851 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=191, Invalid=854, Unknown=11, NotChecked=0, Total=1056 [2020-10-15 23:46:55,859 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 202 out of 383 [2020-10-15 23:46:55,863 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 146 places, 137 transitions, 977 flow. Second operand 33 states. [2020-10-15 23:46:55,864 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-15 23:46:55,864 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 202 of 383 [2020-10-15 23:46:55,864 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-15 23:50:05,346 WARN L193 SmtUtils]: Spent 3.53 s on a formula simplification. DAG size of input: 61 DAG size of output: 55 [2020-10-15 23:50:51,666 WARN L193 SmtUtils]: Spent 4.22 s on a formula simplification. DAG size of input: 77 DAG size of output: 59 [2020-10-15 23:52:17,397 WARN L193 SmtUtils]: Spent 4.12 s on a formula simplification. DAG size of input: 65 DAG size of output: 55 [2020-10-15 23:52:58,025 WARN L193 SmtUtils]: Spent 4.32 s on a formula simplification. DAG size of input: 76 DAG size of output: 55 [2020-10-15 23:53:42,018 WARN L193 SmtUtils]: Spent 8.25 s on a formula simplification. DAG size of input: 78 DAG size of output: 60 [2020-10-15 23:55:05,390 WARN L193 SmtUtils]: Spent 4.12 s on a formula simplification. DAG size of input: 62 DAG size of output: 56 [2020-10-15 23:56:02,516 WARN L193 SmtUtils]: Spent 4.11 s on a formula simplification. DAG size of input: 66 DAG size of output: 56 [2020-10-15 23:56:15,579 WARN L193 SmtUtils]: Spent 4.86 s on a formula simplification. DAG size of input: 78 DAG size of output: 60 [2020-10-15 23:57:36,477 WARN L193 SmtUtils]: Spent 4.10 s on a formula simplification. DAG size of input: 67 DAG size of output: 60 [2020-10-15 23:58:45,279 WARN L193 SmtUtils]: Spent 8.18 s on a formula simplification. DAG size of input: 79 DAG size of output: 72 [2020-10-16 00:00:12,455 WARN L193 SmtUtils]: Spent 4.08 s on a formula simplification. DAG size of input: 62 DAG size of output: 56 Received shutdown request... [2020-10-16 00:00:39,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 85 states. [2020-10-16 00:00:39,427 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-16 00:00:39,428 WARN L546 AbstractCegarLoop]: Verification canceled [2020-10-16 00:00:39,434 WARN L235 ceAbstractionStarter]: Timeout [2020-10-16 00:00:39,435 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.10 12:00:39 BasicIcfg [2020-10-16 00:00:39,435 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-16 00:00:39,437 INFO L168 Benchmark]: Toolchain (without parser) took 878584.48 ms. Allocated memory was 248.0 MB in the beginning and 623.9 MB in the end (delta: 375.9 MB). Free memory was 201.2 MB in the beginning and 380.7 MB in the end (delta: -179.5 MB). Peak memory consumption was 196.5 MB. Max. memory is 14.2 GB. [2020-10-16 00:00:39,437 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 248.0 MB. Free memory is still 224.4 MB. There was no memory consumed. Max. memory is 14.2 GB. [2020-10-16 00:00:39,437 INFO L168 Benchmark]: CACSL2BoogieTranslator took 867.80 ms. Allocated memory was 248.0 MB in the beginning and 304.6 MB in the end (delta: 56.6 MB). Free memory was 201.2 MB in the beginning and 232.1 MB in the end (delta: -30.9 MB). Peak memory consumption was 36.2 MB. Max. memory is 14.2 GB. [2020-10-16 00:00:39,438 INFO L168 Benchmark]: Boogie Procedure Inliner took 83.27 ms. Allocated memory is still 304.6 MB. Free memory was 232.1 MB in the beginning and 229.6 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. [2020-10-16 00:00:39,438 INFO L168 Benchmark]: Boogie Preprocessor took 43.54 ms. Allocated memory is still 304.6 MB. Free memory was 229.6 MB in the beginning and 227.1 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. [2020-10-16 00:00:39,438 INFO L168 Benchmark]: RCFGBuilder took 648.54 ms. Allocated memory is still 304.6 MB. Free memory was 227.1 MB in the beginning and 184.5 MB in the end (delta: 42.6 MB). Peak memory consumption was 42.6 MB. Max. memory is 14.2 GB. [2020-10-16 00:00:39,439 INFO L168 Benchmark]: TraceAbstraction took 876931.16 ms. Allocated memory was 304.6 MB in the beginning and 623.9 MB in the end (delta: 319.3 MB). Free memory was 184.5 MB in the beginning and 380.7 MB in the end (delta: -196.2 MB). Peak memory consumption was 123.1 MB. Max. memory is 14.2 GB. [2020-10-16 00:00:39,443 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 248.0 MB. Free memory is still 224.4 MB. There was no memory consumed. Max. memory is 14.2 GB. * CACSL2BoogieTranslator took 867.80 ms. Allocated memory was 248.0 MB in the beginning and 304.6 MB in the end (delta: 56.6 MB). Free memory was 201.2 MB in the beginning and 232.1 MB in the end (delta: -30.9 MB). Peak memory consumption was 36.2 MB. Max. memory is 14.2 GB. * Boogie Procedure Inliner took 83.27 ms. Allocated memory is still 304.6 MB. Free memory was 232.1 MB in the beginning and 229.6 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. * Boogie Preprocessor took 43.54 ms. Allocated memory is still 304.6 MB. Free memory was 229.6 MB in the beginning and 227.1 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. * RCFGBuilder took 648.54 ms. Allocated memory is still 304.6 MB. Free memory was 227.1 MB in the beginning and 184.5 MB in the end (delta: 42.6 MB). Peak memory consumption was 42.6 MB. Max. memory is 14.2 GB. * TraceAbstraction took 876931.16 ms. Allocated memory was 304.6 MB in the beginning and 623.9 MB in the end (delta: 319.3 MB). Free memory was 184.5 MB in the beginning and 380.7 MB in the end (delta: -196.2 MB). Peak memory consumption was 123.1 MB. Max. memory is 14.2 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 6269 VarBasedMoverChecksPositive, 137 VarBasedMoverChecksNegative, 13 SemBasedMoverChecksPositive, 124 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.7s, 511 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 8.5s, 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 114 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 114 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: 876.7s, OverallIterations: 14, TraceHistogramMax: 10, AutomataDifference: 830.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 8.6s, HoareTripleCheckerStatistics: 78 SDtfs, 1425 SDslu, 168 SDs, 0 SdLazy, 2633 SolverSat, 1092 SolverUnsat, 198 SolverUnknown, 0 SolverNotchecked, 368.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 951 GetRequests, 686 SyntacticMatches, 5 SemanticMatches, 259 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6328 ImplicationChecksByTransitivity, 476.7s 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, 7.2s SatisfiabilityAnalysisTime, 26.7s 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