/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-SemanticLbe-SemanticLooper.epf -i ../../../trunk/examples/svcomp/pthread/queue.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-7bb8cbd [2020-10-16 03:07:00,255 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-16 03:07:00,258 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-16 03:07:00,298 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-16 03:07:00,298 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-16 03:07:00,306 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-16 03:07:00,309 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-16 03:07:00,313 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-16 03:07:00,316 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-16 03:07:00,318 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-16 03:07:00,319 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-16 03:07:00,320 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-16 03:07:00,320 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-16 03:07:00,323 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-16 03:07:00,325 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-16 03:07:00,327 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-16 03:07:00,328 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-16 03:07:00,329 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-16 03:07:00,331 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-16 03:07:00,339 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-16 03:07:00,341 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-16 03:07:00,341 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-16 03:07:00,342 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-16 03:07:00,343 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-16 03:07:00,349 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-16 03:07:00,349 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-16 03:07:00,349 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-16 03:07:00,350 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-16 03:07:00,351 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-16 03:07:00,355 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-16 03:07:00,355 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-16 03:07:00,355 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-16 03:07:00,356 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-16 03:07:00,356 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-16 03:07:00,360 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-16 03:07:00,361 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-16 03:07:00,361 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-16 03:07:00,362 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-16 03:07:00,362 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-16 03:07:00,362 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-16 03:07:00,363 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-16 03:07:00,364 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-SemanticLbe-SemanticLooper.epf [2020-10-16 03:07:00,386 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-16 03:07:00,386 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-16 03:07:00,388 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-16 03:07:00,388 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-16 03:07:00,388 INFO L138 SettingsManager]: * Use SBE=true [2020-10-16 03:07:00,388 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-16 03:07:00,388 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-16 03:07:00,389 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-16 03:07:00,389 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-16 03:07:00,389 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-16 03:07:00,389 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-16 03:07:00,389 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-16 03:07:00,389 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-16 03:07:00,390 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-16 03:07:00,390 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-16 03:07:00,390 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-16 03:07:00,390 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-16 03:07:00,390 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-16 03:07:00,391 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-16 03:07:00,391 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-16 03:07:00,391 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-16 03:07:00,391 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-16 03:07:00,391 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-16 03:07:00,392 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-16 03:07:00,392 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-16 03:07:00,392 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-16 03:07:00,392 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-16 03:07:00,392 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2020-10-16 03:07:00,392 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-16 03:07:00,692 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-16 03:07:00,704 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-16 03:07:00,708 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-16 03:07:00,710 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-16 03:07:00,710 INFO L275 PluginConnector]: CDTParser initialized [2020-10-16 03:07:00,711 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread/queue.i [2020-10-16 03:07:00,771 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6615725f4/709638e770484a4ebcc3c92012442637/FLAGe1a18da83 [2020-10-16 03:07:01,316 INFO L306 CDTParser]: Found 1 translation units. [2020-10-16 03:07:01,316 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/queue.i [2020-10-16 03:07:01,341 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6615725f4/709638e770484a4ebcc3c92012442637/FLAGe1a18da83 [2020-10-16 03:07:01,640 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6615725f4/709638e770484a4ebcc3c92012442637 [2020-10-16 03:07:01,648 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-16 03:07:01,650 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-16 03:07:01,651 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-16 03:07:01,651 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-16 03:07:01,655 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-16 03:07:01,656 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 03:07:01" (1/1) ... [2020-10-16 03:07:01,658 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c4883ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:07:01, skipping insertion in model container [2020-10-16 03:07:01,659 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 03:07:01" (1/1) ... [2020-10-16 03:07:01,666 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-16 03:07:01,710 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-16 03:07:02,247 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-16 03:07:02,274 INFO L203 MainTranslator]: Completed pre-run [2020-10-16 03:07:02,403 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-16 03:07:02,603 INFO L208 MainTranslator]: Completed translation [2020-10-16 03:07:02,604 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:07:02 WrapperNode [2020-10-16 03:07:02,605 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-16 03:07:02,607 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-16 03:07:02,607 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-16 03:07:02,607 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-16 03:07:02,616 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:07:02" (1/1) ... [2020-10-16 03:07:02,658 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:07:02" (1/1) ... [2020-10-16 03:07:02,698 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-16 03:07:02,699 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-16 03:07:02,699 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-16 03:07:02,699 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-16 03:07:02,708 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:07:02" (1/1) ... [2020-10-16 03:07:02,709 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:07:02" (1/1) ... [2020-10-16 03:07:02,713 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:07:02" (1/1) ... [2020-10-16 03:07:02,714 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:07:02" (1/1) ... [2020-10-16 03:07:02,726 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:07:02" (1/1) ... [2020-10-16 03:07:02,731 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:07:02" (1/1) ... [2020-10-16 03:07:02,735 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:07:02" (1/1) ... [2020-10-16 03:07:02,739 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-16 03:07:02,740 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-16 03:07:02,740 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-16 03:07:02,740 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-16 03:07:02,741 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:07:02" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-16 03:07:02,799 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2020-10-16 03:07:02,799 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2020-10-16 03:07:02,799 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2020-10-16 03:07:02,800 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2020-10-16 03:07:02,800 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-16 03:07:02,800 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-16 03:07:02,800 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-16 03:07:02,800 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-16 03:07:02,800 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2020-10-16 03:07:02,801 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-16 03:07:02,801 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-16 03:07:02,801 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-16 03:07:02,803 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-10-16 03:07:03,469 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-16 03:07:03,470 INFO L298 CfgBuilder]: Removed 18 assume(true) statements. [2020-10-16 03:07:03,472 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 03:07:03 BoogieIcfgContainer [2020-10-16 03:07:03,472 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-16 03:07:03,474 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-16 03:07:03,474 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-16 03:07:03,477 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-16 03:07:03,478 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 03:07:01" (1/3) ... [2020-10-16 03:07:03,479 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f789627 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 03:07:03, skipping insertion in model container [2020-10-16 03:07:03,479 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:07:02" (2/3) ... [2020-10-16 03:07:03,480 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f789627 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 03:07:03, skipping insertion in model container [2020-10-16 03:07:03,480 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 03:07:03" (3/3) ... [2020-10-16 03:07:03,482 INFO L111 eAbstractionObserver]: Analyzing ICFG queue.i [2020-10-16 03:07:03,494 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-16 03:07:03,502 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-10-16 03:07:03,502 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-16 03:07:03,545 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,545 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,545 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,545 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,546 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,546 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,546 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,547 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,547 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,547 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,547 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,548 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,548 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,548 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,548 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,548 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,549 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,549 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,549 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,549 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,550 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,550 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,550 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,550 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,550 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,551 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,551 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,551 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,551 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,552 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,552 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,552 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,552 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,553 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,553 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,553 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,553 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,553 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,554 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,554 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,554 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,554 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,555 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,555 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,555 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,555 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,556 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,556 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,556 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,556 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,557 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,557 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,557 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,557 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,557 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,558 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,558 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,558 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,558 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,559 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,559 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,559 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,559 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,559 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,560 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,560 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,560 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,560 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,561 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,561 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,561 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,561 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,562 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,562 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,562 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,562 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,563 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,563 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,563 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,564 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,564 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,564 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,564 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,564 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,565 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,565 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,565 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,565 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,566 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,566 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,566 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,566 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,566 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,567 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,567 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,567 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,567 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,567 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,568 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,568 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,568 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,568 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,569 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,569 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,569 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,569 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,570 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,570 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,570 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,570 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,571 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,571 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,571 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,571 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,572 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,572 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,572 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,572 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,572 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,573 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,573 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,573 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,574 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,574 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,574 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,574 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,575 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,575 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,575 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,575 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,575 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,576 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,576 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,576 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,576 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,577 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,577 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,577 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,577 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,577 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,578 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,578 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,578 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,578 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,578 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,579 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,579 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,579 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,579 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,579 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,580 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,580 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,580 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,580 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,580 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,581 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,581 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,581 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,581 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,582 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,582 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,582 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,582 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,582 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,583 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,583 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,583 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,583 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,583 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,584 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,584 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,584 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,584 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,585 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,585 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,585 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,585 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,586 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,586 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,586 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,586 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,586 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,587 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,587 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,587 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,587 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,587 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,588 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,588 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,588 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,588 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,589 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,589 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,589 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,590 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,591 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,591 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,591 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,591 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,592 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,609 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,609 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,609 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,609 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,610 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,610 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,610 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,611 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,611 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,611 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,611 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,611 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,612 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,612 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,612 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,612 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,612 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,612 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,613 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,613 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,613 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,613 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,613 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,613 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,614 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,614 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,614 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,614 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,614 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,614 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,615 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,615 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,615 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,615 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,615 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,615 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,616 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,616 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,616 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,616 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,616 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,617 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,617 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,617 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,617 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,617 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,617 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,618 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,618 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,618 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,618 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,618 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,618 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,619 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,619 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,619 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,619 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,620 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,620 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,620 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,620 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,620 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,620 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,621 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,621 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,621 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,621 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,621 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,621 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,622 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,622 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,622 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,622 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,622 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,623 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,623 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,623 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,623 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,623 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,623 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,624 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,624 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,624 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,624 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,628 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,629 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,629 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,629 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,629 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,629 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,629 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,630 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,630 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,630 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,630 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,630 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,631 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,631 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,631 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,631 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,631 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,631 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,632 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,632 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,632 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,632 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,632 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,633 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,633 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,633 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,633 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,633 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,633 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,634 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,634 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,634 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,634 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,634 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,635 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,642 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,642 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,642 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,642 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,643 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,643 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,643 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,643 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,643 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,644 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,644 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,644 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,644 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,644 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,644 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,645 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,645 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,645 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,645 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,645 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,645 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,646 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 03:07:03,667 INFO L253 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2020-10-16 03:07:03,688 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-16 03:07:03,688 INFO L378 AbstractCegarLoop]: Hoare is false [2020-10-16 03:07:03,688 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-16 03:07:03,689 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-16 03:07:03,689 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-16 03:07:03,689 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-16 03:07:03,689 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-16 03:07:03,689 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-16 03:07:03,707 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 234 places, 244 transitions, 510 flow [2020-10-16 03:07:03,805 INFO L129 PetriNetUnfolder]: 16/244 cut-off events. [2020-10-16 03:07:03,805 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2020-10-16 03:07:03,819 INFO L80 FinitePrefix]: Finished finitePrefix Result has 255 conditions, 244 events. 16/244 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 381 event pairs, 0 based on Foata normal form. 0/226 useless extension candidates. Maximal degree in co-relation 179. Up to 3 conditions per place. [2020-10-16 03:07:03,819 INFO L82 GeneralOperation]: Start removeDead. Operand has 234 places, 244 transitions, 510 flow [2020-10-16 03:07:03,830 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 223 places, 232 transitions, 476 flow [2020-10-16 03:07:03,833 INFO L129 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-10-16 03:07:03,835 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 223 places, 232 transitions, 476 flow [2020-10-16 03:07:03,838 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 223 places, 232 transitions, 476 flow [2020-10-16 03:07:03,839 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 223 places, 232 transitions, 476 flow [2020-10-16 03:07:03,892 INFO L129 PetriNetUnfolder]: 15/234 cut-off events. [2020-10-16 03:07:03,893 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2020-10-16 03:07:03,896 INFO L80 FinitePrefix]: Finished finitePrefix Result has 243 conditions, 234 events. 15/234 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 304 event pairs, 0 based on Foata normal form. 0/216 useless extension candidates. Maximal degree in co-relation 179. Up to 2 conditions per place. [2020-10-16 03:07:03,908 INFO L117 LiptonReduction]: Number of co-enabled transitions 14896 [2020-10-16 03:07:07,679 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 75 [2020-10-16 03:07:08,825 WARN L193 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 91 [2020-10-16 03:07:08,958 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2020-10-16 03:07:10,013 WARN L193 SmtUtils]: Spent 849.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 129 [2020-10-16 03:07:10,462 WARN L193 SmtUtils]: Spent 443.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2020-10-16 03:07:12,184 WARN L193 SmtUtils]: Spent 1.71 s on a formula simplification. DAG size of input: 152 DAG size of output: 142 [2020-10-16 03:07:12,869 WARN L193 SmtUtils]: Spent 683.00 ms on a formula simplification that was a NOOP. DAG size: 139 [2020-10-16 03:07:13,287 WARN L193 SmtUtils]: Spent 402.00 ms on a formula simplification that was a NOOP. DAG size: 143 [2020-10-16 03:07:13,694 WARN L193 SmtUtils]: Spent 406.00 ms on a formula simplification that was a NOOP. DAG size: 143 [2020-10-16 03:07:13,721 INFO L132 LiptonReduction]: Checked pairs total: 34728 [2020-10-16 03:07:13,722 INFO L134 LiptonReduction]: Total number of compositions: 200 [2020-10-16 03:07:13,725 INFO L182 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 9894 [2020-10-16 03:07:13,730 INFO L129 PetriNetUnfolder]: 1/4 cut-off events. [2020-10-16 03:07:13,731 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-16 03:07:13,731 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 03:07:13,732 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1] [2020-10-16 03:07:13,732 INFO L429 AbstractCegarLoop]: === Iteration 1 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 03:07:13,737 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 03:07:13,738 INFO L82 PathProgramCache]: Analyzing trace with hash 30030, now seen corresponding path program 1 times [2020-10-16 03:07:13,745 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 03:07:13,746 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [203325646] [2020-10-16 03:07:13,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 03:07:13,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 03:07:13,863 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 03:07:13,863 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [203325646] [2020-10-16 03:07:13,864 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 03:07:13,864 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-16 03:07:13,865 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [250088697] [2020-10-16 03:07:13,875 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-16 03:07:13,875 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 03:07:13,889 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-16 03:07:13,892 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-16 03:07:13,896 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 425 out of 444 [2020-10-16 03:07:13,900 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 61 places, 66 transitions, 144 flow. Second operand 2 states. [2020-10-16 03:07:13,900 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 03:07:13,900 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 425 of 444 [2020-10-16 03:07:13,902 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 03:07:13,920 INFO L129 PetriNetUnfolder]: 8/63 cut-off events. [2020-10-16 03:07:13,921 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2020-10-16 03:07:13,921 INFO L80 FinitePrefix]: Finished finitePrefix Result has 73 conditions, 63 events. 8/63 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 120 event pairs, 0 based on Foata normal form. 3/56 useless extension candidates. Maximal degree in co-relation 69. Up to 2 conditions per place. [2020-10-16 03:07:13,923 INFO L132 encePairwiseOnDemand]: 441/444 looper letters, 0 selfloop transitions, 0 changer transitions 0/61 dead transitions. [2020-10-16 03:07:13,923 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 60 places, 61 transitions, 134 flow [2020-10-16 03:07:13,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-16 03:07:13,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-10-16 03:07:13,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 853 transitions. [2020-10-16 03:07:13,943 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.9605855855855856 [2020-10-16 03:07:13,944 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 853 transitions. [2020-10-16 03:07:13,945 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 853 transitions. [2020-10-16 03:07:13,948 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 03:07:13,951 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 853 transitions. [2020-10-16 03:07:13,956 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 3 states. [2020-10-16 03:07:13,965 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 3 states. [2020-10-16 03:07:13,965 INFO L81 ComplementDD]: Finished complementDD. Result 3 states. [2020-10-16 03:07:13,968 INFO L185 Difference]: Start difference. First operand has 61 places, 66 transitions, 144 flow. Second operand 2 states and 853 transitions. [2020-10-16 03:07:13,969 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 60 places, 61 transitions, 134 flow [2020-10-16 03:07:13,972 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 56 places, 61 transitions, 126 flow, removed 0 selfloop flow, removed 4 redundant places. [2020-10-16 03:07:13,975 INFO L241 Difference]: Finished difference. Result has 56 places, 61 transitions, 126 flow [2020-10-16 03:07:13,978 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=444, PETRI_DIFFERENCE_MINUEND_FLOW=126, PETRI_DIFFERENCE_MINUEND_PLACES=55, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=61, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=61, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=126, PETRI_PLACES=56, PETRI_TRANSITIONS=61} [2020-10-16 03:07:13,979 INFO L342 CegarLoopForPetriNet]: 61 programPoint places, -5 predicate places. [2020-10-16 03:07:13,979 INFO L481 AbstractCegarLoop]: Abstraction has has 56 places, 61 transitions, 126 flow [2020-10-16 03:07:13,979 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-16 03:07:13,979 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 03:07:13,979 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 03:07:13,979 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-16 03:07:13,980 INFO L429 AbstractCegarLoop]: === Iteration 2 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 03:07:13,980 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 03:07:13,980 INFO L82 PathProgramCache]: Analyzing trace with hash 602919735, now seen corresponding path program 1 times [2020-10-16 03:07:13,980 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 03:07:13,981 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [541434077] [2020-10-16 03:07:13,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 03:07:14,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 03:07:14,169 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 03:07:14,170 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [541434077] [2020-10-16 03:07:14,170 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 03:07:14,170 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-16 03:07:14,170 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [566249618] [2020-10-16 03:07:14,171 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-16 03:07:14,171 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 03:07:14,172 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-16 03:07:14,172 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 03:07:14,174 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 411 out of 444 [2020-10-16 03:07:14,175 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 56 places, 61 transitions, 126 flow. Second operand 3 states. [2020-10-16 03:07:14,175 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 03:07:14,176 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 411 of 444 [2020-10-16 03:07:14,176 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 03:07:14,201 INFO L129 PetriNetUnfolder]: 7/62 cut-off events. [2020-10-16 03:07:14,201 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-16 03:07:14,202 INFO L80 FinitePrefix]: Finished finitePrefix Result has 71 conditions, 62 events. 7/62 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 120 event pairs, 0 based on Foata normal form. 0/53 useless extension candidates. Maximal degree in co-relation 68. Up to 3 conditions per place. [2020-10-16 03:07:14,202 INFO L132 encePairwiseOnDemand]: 440/444 looper letters, 1 selfloop transitions, 3 changer transitions 0/60 dead transitions. [2020-10-16 03:07:14,202 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 58 places, 60 transitions, 132 flow [2020-10-16 03:07:14,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-16 03:07:14,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-10-16 03:07:14,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1238 transitions. [2020-10-16 03:07:14,209 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.9294294294294294 [2020-10-16 03:07:14,209 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1238 transitions. [2020-10-16 03:07:14,210 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1238 transitions. [2020-10-16 03:07:14,211 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 03:07:14,211 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1238 transitions. [2020-10-16 03:07:14,214 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 4 states. [2020-10-16 03:07:14,217 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 4 states. [2020-10-16 03:07:14,217 INFO L81 ComplementDD]: Finished complementDD. Result 4 states. [2020-10-16 03:07:14,217 INFO L185 Difference]: Start difference. First operand has 56 places, 61 transitions, 126 flow. Second operand 3 states and 1238 transitions. [2020-10-16 03:07:14,217 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 58 places, 60 transitions, 132 flow [2020-10-16 03:07:14,218 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 58 places, 60 transitions, 132 flow, removed 0 selfloop flow, removed 0 redundant places. [2020-10-16 03:07:14,220 INFO L241 Difference]: Finished difference. Result has 58 places, 60 transitions, 130 flow [2020-10-16 03:07:14,221 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=444, PETRI_DIFFERENCE_MINUEND_FLOW=124, PETRI_DIFFERENCE_MINUEND_PLACES=56, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=60, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=57, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=130, PETRI_PLACES=58, PETRI_TRANSITIONS=60} [2020-10-16 03:07:14,221 INFO L342 CegarLoopForPetriNet]: 61 programPoint places, -3 predicate places. [2020-10-16 03:07:14,222 INFO L481 AbstractCegarLoop]: Abstraction has has 58 places, 60 transitions, 130 flow [2020-10-16 03:07:14,222 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-16 03:07:14,222 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 03:07:14,222 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 03:07:14,222 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-16 03:07:14,223 INFO L429 AbstractCegarLoop]: === Iteration 3 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 03:07:14,223 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 03:07:14,223 INFO L82 PathProgramCache]: Analyzing trace with hash -1797707971, now seen corresponding path program 1 times [2020-10-16 03:07:14,223 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 03:07:14,224 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [692615064] [2020-10-16 03:07:14,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 03:07:14,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 03:07:14,288 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 03:07:14,289 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [692615064] [2020-10-16 03:07:14,289 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 03:07:14,289 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-16 03:07:14,290 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1949962916] [2020-10-16 03:07:14,290 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-16 03:07:14,290 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 03:07:14,291 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-16 03:07:14,291 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 03:07:14,293 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 402 out of 444 [2020-10-16 03:07:14,295 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 58 places, 60 transitions, 130 flow. Second operand 3 states. [2020-10-16 03:07:14,296 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 03:07:14,296 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 402 of 444 [2020-10-16 03:07:14,296 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 03:07:14,345 INFO L129 PetriNetUnfolder]: 19/135 cut-off events. [2020-10-16 03:07:14,346 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-16 03:07:14,347 INFO L80 FinitePrefix]: Finished finitePrefix Result has 159 conditions, 135 events. 19/135 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 273 event pairs, 0 based on Foata normal form. 2/117 useless extension candidates. Maximal degree in co-relation 155. Up to 12 conditions per place. [2020-10-16 03:07:14,348 INFO L132 encePairwiseOnDemand]: 440/444 looper letters, 4 selfloop transitions, 3 changer transitions 0/62 dead transitions. [2020-10-16 03:07:14,348 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 60 places, 62 transitions, 148 flow [2020-10-16 03:07:14,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-16 03:07:14,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-10-16 03:07:14,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1214 transitions. [2020-10-16 03:07:14,353 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.9114114114114115 [2020-10-16 03:07:14,353 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1214 transitions. [2020-10-16 03:07:14,379 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1214 transitions. [2020-10-16 03:07:14,380 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 03:07:14,380 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1214 transitions. [2020-10-16 03:07:14,382 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 4 states. [2020-10-16 03:07:14,384 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 4 states. [2020-10-16 03:07:14,384 INFO L81 ComplementDD]: Finished complementDD. Result 4 states. [2020-10-16 03:07:14,385 INFO L185 Difference]: Start difference. First operand has 58 places, 60 transitions, 130 flow. Second operand 3 states and 1214 transitions. [2020-10-16 03:07:14,385 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 60 places, 62 transitions, 148 flow [2020-10-16 03:07:14,386 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 58 places, 62 transitions, 142 flow, removed 0 selfloop flow, removed 2 redundant places. [2020-10-16 03:07:14,387 INFO L241 Difference]: Finished difference. Result has 59 places, 61 transitions, 139 flow [2020-10-16 03:07:14,387 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=444, PETRI_DIFFERENCE_MINUEND_FLOW=124, PETRI_DIFFERENCE_MINUEND_PLACES=56, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=60, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=57, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=139, PETRI_PLACES=59, PETRI_TRANSITIONS=61} [2020-10-16 03:07:14,388 INFO L342 CegarLoopForPetriNet]: 61 programPoint places, -2 predicate places. [2020-10-16 03:07:14,388 INFO L481 AbstractCegarLoop]: Abstraction has has 59 places, 61 transitions, 139 flow [2020-10-16 03:07:14,388 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-16 03:07:14,388 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 03:07:14,388 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 03:07:14,388 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-16 03:07:14,389 INFO L429 AbstractCegarLoop]: === Iteration 4 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 03:07:14,389 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 03:07:14,389 INFO L82 PathProgramCache]: Analyzing trace with hash -410557785, now seen corresponding path program 1 times [2020-10-16 03:07:14,389 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 03:07:14,389 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1468819991] [2020-10-16 03:07:14,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 03:07:14,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 03:07:14,800 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 03:07:14,801 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1468819991] [2020-10-16 03:07:14,801 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 03:07:14,801 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-16 03:07:14,801 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1037341284] [2020-10-16 03:07:14,802 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-16 03:07:14,802 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 03:07:14,802 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-16 03:07:14,802 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-10-16 03:07:14,805 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 255 out of 444 [2020-10-16 03:07:14,806 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 59 places, 61 transitions, 139 flow. Second operand 6 states. [2020-10-16 03:07:14,806 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 03:07:14,806 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 255 of 444 [2020-10-16 03:07:14,807 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 03:07:15,053 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2020-10-16 03:07:15,333 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2020-10-16 03:07:16,116 INFO L129 PetriNetUnfolder]: 562/1169 cut-off events. [2020-10-16 03:07:16,117 INFO L130 PetriNetUnfolder]: For 63/63 co-relation queries the response was YES. [2020-10-16 03:07:16,122 INFO L80 FinitePrefix]: Finished finitePrefix Result has 2204 conditions, 1169 events. 562/1169 cut-off events. For 63/63 co-relation queries the response was YES. Maximal size of possible extension queue 50. Compared 5258 event pairs, 392 based on Foata normal form. 0/1009 useless extension candidates. Maximal degree in co-relation 2199. Up to 902 conditions per place. [2020-10-16 03:07:16,130 INFO L132 encePairwiseOnDemand]: 437/444 looper letters, 44 selfloop transitions, 9 changer transitions 0/73 dead transitions. [2020-10-16 03:07:16,131 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 64 places, 73 transitions, 269 flow [2020-10-16 03:07:16,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-16 03:07:16,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-10-16 03:07:16,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1584 transitions. [2020-10-16 03:07:16,136 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.5945945945945946 [2020-10-16 03:07:16,136 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1584 transitions. [2020-10-16 03:07:16,136 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1584 transitions. [2020-10-16 03:07:16,138 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 03:07:16,138 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1584 transitions. [2020-10-16 03:07:16,141 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 7 states. [2020-10-16 03:07:16,145 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 7 states. [2020-10-16 03:07:16,145 INFO L81 ComplementDD]: Finished complementDD. Result 7 states. [2020-10-16 03:07:16,145 INFO L185 Difference]: Start difference. First operand has 59 places, 61 transitions, 139 flow. Second operand 6 states and 1584 transitions. [2020-10-16 03:07:16,146 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 64 places, 73 transitions, 269 flow [2020-10-16 03:07:16,148 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 63 places, 73 transitions, 266 flow, removed 0 selfloop flow, removed 1 redundant places. [2020-10-16 03:07:16,151 INFO L241 Difference]: Finished difference. Result has 67 places, 69 transitions, 194 flow [2020-10-16 03:07:16,152 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=444, PETRI_DIFFERENCE_MINUEND_FLOW=136, PETRI_DIFFERENCE_MINUEND_PLACES=58, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=61, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=55, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=194, PETRI_PLACES=67, PETRI_TRANSITIONS=69} [2020-10-16 03:07:16,152 INFO L342 CegarLoopForPetriNet]: 61 programPoint places, 6 predicate places. [2020-10-16 03:07:16,152 INFO L481 AbstractCegarLoop]: Abstraction has has 67 places, 69 transitions, 194 flow [2020-10-16 03:07:16,152 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-16 03:07:16,153 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 03:07:16,153 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 03:07:16,153 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-16 03:07:16,153 INFO L429 AbstractCegarLoop]: === Iteration 5 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 03:07:16,154 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 03:07:16,154 INFO L82 PathProgramCache]: Analyzing trace with hash -2055269490, now seen corresponding path program 1 times [2020-10-16 03:07:16,154 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 03:07:16,154 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1383216534] [2020-10-16 03:07:16,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 03:07:16,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 03:07:16,316 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 03:07:16,316 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1383216534] [2020-10-16 03:07:16,317 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 03:07:16,317 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-16 03:07:16,317 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [462531575] [2020-10-16 03:07:16,317 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-16 03:07:16,318 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 03:07:16,318 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-16 03:07:16,318 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-10-16 03:07:16,321 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 248 out of 444 [2020-10-16 03:07:16,322 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 67 places, 69 transitions, 194 flow. Second operand 7 states. [2020-10-16 03:07:16,322 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 03:07:16,323 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 248 of 444 [2020-10-16 03:07:16,323 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 03:07:16,961 INFO L129 PetriNetUnfolder]: 612/1311 cut-off events. [2020-10-16 03:07:16,961 INFO L130 PetriNetUnfolder]: For 85/85 co-relation queries the response was YES. [2020-10-16 03:07:16,967 INFO L80 FinitePrefix]: Finished finitePrefix Result has 2539 conditions, 1311 events. 612/1311 cut-off events. For 85/85 co-relation queries the response was YES. Maximal size of possible extension queue 50. Compared 6226 event pairs, 193 based on Foata normal form. 4/1145 useless extension candidates. Maximal degree in co-relation 2530. Up to 893 conditions per place. [2020-10-16 03:07:16,975 INFO L132 encePairwiseOnDemand]: 435/444 looper letters, 59 selfloop transitions, 16 changer transitions 0/95 dead transitions. [2020-10-16 03:07:16,976 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 72 places, 95 transitions, 410 flow [2020-10-16 03:07:16,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-16 03:07:16,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-10-16 03:07:16,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1560 transitions. [2020-10-16 03:07:16,982 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.5855855855855856 [2020-10-16 03:07:16,982 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1560 transitions. [2020-10-16 03:07:16,982 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1560 transitions. [2020-10-16 03:07:16,984 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 03:07:16,984 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1560 transitions. [2020-10-16 03:07:16,987 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 7 states. [2020-10-16 03:07:16,992 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 7 states. [2020-10-16 03:07:16,992 INFO L81 ComplementDD]: Finished complementDD. Result 7 states. [2020-10-16 03:07:16,992 INFO L185 Difference]: Start difference. First operand has 67 places, 69 transitions, 194 flow. Second operand 6 states and 1560 transitions. [2020-10-16 03:07:16,993 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 72 places, 95 transitions, 410 flow [2020-10-16 03:07:16,995 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 72 places, 95 transitions, 410 flow, removed 0 selfloop flow, removed 0 redundant places. [2020-10-16 03:07:16,997 INFO L241 Difference]: Finished difference. Result has 75 places, 75 transitions, 276 flow [2020-10-16 03:07:16,998 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=444, PETRI_DIFFERENCE_MINUEND_FLOW=194, PETRI_DIFFERENCE_MINUEND_PLACES=67, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=69, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=55, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=276, PETRI_PLACES=75, PETRI_TRANSITIONS=75} [2020-10-16 03:07:16,998 INFO L342 CegarLoopForPetriNet]: 61 programPoint places, 14 predicate places. [2020-10-16 03:07:16,998 INFO L481 AbstractCegarLoop]: Abstraction has has 75 places, 75 transitions, 276 flow [2020-10-16 03:07:16,998 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-16 03:07:16,998 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 03:07:16,999 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 03:07:16,999 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-16 03:07:16,999 INFO L429 AbstractCegarLoop]: === Iteration 6 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 03:07:17,000 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 03:07:17,000 INFO L82 PathProgramCache]: Analyzing trace with hash -1359557988, now seen corresponding path program 2 times [2020-10-16 03:07:17,000 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 03:07:17,000 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1178986656] [2020-10-16 03:07:17,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 03:07:17,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 03:07:17,478 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 03:07:17,478 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1178986656] [2020-10-16 03:07:17,478 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 03:07:17,479 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-16 03:07:17,479 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1750131554] [2020-10-16 03:07:17,481 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-16 03:07:17,481 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 03:07:17,482 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-16 03:07:17,482 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-16 03:07:17,485 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 248 out of 444 [2020-10-16 03:07:17,486 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 75 places, 75 transitions, 276 flow. Second operand 7 states. [2020-10-16 03:07:17,486 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 03:07:17,486 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 248 of 444 [2020-10-16 03:07:17,486 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 03:07:17,730 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2020-10-16 03:07:17,934 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2020-10-16 03:07:18,651 INFO L129 PetriNetUnfolder]: 621/1334 cut-off events. [2020-10-16 03:07:18,652 INFO L130 PetriNetUnfolder]: For 186/186 co-relation queries the response was YES. [2020-10-16 03:07:18,656 INFO L80 FinitePrefix]: Finished finitePrefix Result has 2708 conditions, 1334 events. 621/1334 cut-off events. For 186/186 co-relation queries the response was YES. Maximal size of possible extension queue 50. Compared 6334 event pairs, 383 based on Foata normal form. 4/1163 useless extension candidates. Maximal degree in co-relation 2695. Up to 918 conditions per place. [2020-10-16 03:07:18,663 INFO L132 encePairwiseOnDemand]: 437/444 looper letters, 58 selfloop transitions, 13 changer transitions 0/91 dead transitions. [2020-10-16 03:07:18,663 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 80 places, 91 transitions, 458 flow [2020-10-16 03:07:18,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-16 03:07:18,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-10-16 03:07:18,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1551 transitions. [2020-10-16 03:07:18,670 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.5822072072072072 [2020-10-16 03:07:18,670 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1551 transitions. [2020-10-16 03:07:18,670 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1551 transitions. [2020-10-16 03:07:18,671 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 03:07:18,672 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1551 transitions. [2020-10-16 03:07:18,674 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 7 states. [2020-10-16 03:07:18,678 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 7 states. [2020-10-16 03:07:18,678 INFO L81 ComplementDD]: Finished complementDD. Result 7 states. [2020-10-16 03:07:18,678 INFO L185 Difference]: Start difference. First operand has 75 places, 75 transitions, 276 flow. Second operand 6 states and 1551 transitions. [2020-10-16 03:07:18,678 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 80 places, 91 transitions, 458 flow [2020-10-16 03:07:18,681 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 80 places, 91 transitions, 454 flow, removed 2 selfloop flow, removed 0 redundant places. [2020-10-16 03:07:18,684 INFO L241 Difference]: Finished difference. Result has 81 places, 76 transitions, 315 flow [2020-10-16 03:07:18,684 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=444, PETRI_DIFFERENCE_MINUEND_FLOW=272, PETRI_DIFFERENCE_MINUEND_PLACES=75, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=75, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=12, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=62, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=315, PETRI_PLACES=81, PETRI_TRANSITIONS=76} [2020-10-16 03:07:18,684 INFO L342 CegarLoopForPetriNet]: 61 programPoint places, 20 predicate places. [2020-10-16 03:07:18,685 INFO L481 AbstractCegarLoop]: Abstraction has has 81 places, 76 transitions, 315 flow [2020-10-16 03:07:18,685 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-16 03:07:18,685 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 03:07:18,685 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 03:07:18,685 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-16 03:07:18,685 INFO L429 AbstractCegarLoop]: === Iteration 7 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 03:07:18,686 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 03:07:18,686 INFO L82 PathProgramCache]: Analyzing trace with hash 38534272, now seen corresponding path program 3 times [2020-10-16 03:07:18,686 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 03:07:18,686 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1523373951] [2020-10-16 03:07:18,686 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 03:07:18,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 03:07:19,050 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 03:07:19,050 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1523373951] [2020-10-16 03:07:19,051 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 03:07:19,051 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-16 03:07:19,051 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [593121545] [2020-10-16 03:07:19,051 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-16 03:07:19,052 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 03:07:19,052 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-16 03:07:19,052 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2020-10-16 03:07:19,057 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 238 out of 444 [2020-10-16 03:07:19,058 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 81 places, 76 transitions, 315 flow. Second operand 10 states. [2020-10-16 03:07:19,059 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 03:07:19,059 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 238 of 444 [2020-10-16 03:07:19,059 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 03:07:19,811 INFO L129 PetriNetUnfolder]: 640/1388 cut-off events. [2020-10-16 03:07:19,812 INFO L130 PetriNetUnfolder]: For 282/282 co-relation queries the response was YES. [2020-10-16 03:07:19,817 INFO L80 FinitePrefix]: Finished finitePrefix Result has 2865 conditions, 1388 events. 640/1388 cut-off events. For 282/282 co-relation queries the response was YES. Maximal size of possible extension queue 50. Compared 6909 event pairs, 218 based on Foata normal form. 0/1208 useless extension candidates. Maximal degree in co-relation 2850. Up to 782 conditions per place. [2020-10-16 03:07:19,825 INFO L132 encePairwiseOnDemand]: 434/444 looper letters, 67 selfloop transitions, 16 changer transitions 2/105 dead transitions. [2020-10-16 03:07:19,826 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 89 places, 105 transitions, 552 flow [2020-10-16 03:07:19,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-16 03:07:19,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2020-10-16 03:07:19,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 2216 transitions. [2020-10-16 03:07:19,834 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.5545545545545546 [2020-10-16 03:07:19,834 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 2216 transitions. [2020-10-16 03:07:19,834 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 2216 transitions. [2020-10-16 03:07:19,836 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 03:07:19,836 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 2216 transitions. [2020-10-16 03:07:19,841 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 10 states. [2020-10-16 03:07:19,846 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 10 states. [2020-10-16 03:07:19,847 INFO L81 ComplementDD]: Finished complementDD. Result 10 states. [2020-10-16 03:07:19,847 INFO L185 Difference]: Start difference. First operand has 81 places, 76 transitions, 315 flow. Second operand 9 states and 2216 transitions. [2020-10-16 03:07:19,847 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 89 places, 105 transitions, 552 flow [2020-10-16 03:07:19,850 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 84 places, 105 transitions, 526 flow, removed 1 selfloop flow, removed 5 redundant places. [2020-10-16 03:07:19,852 INFO L241 Difference]: Finished difference. Result has 87 places, 81 transitions, 350 flow [2020-10-16 03:07:19,853 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=444, PETRI_DIFFERENCE_MINUEND_FLOW=289, PETRI_DIFFERENCE_MINUEND_PLACES=76, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=76, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=12, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=61, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=350, PETRI_PLACES=87, PETRI_TRANSITIONS=81} [2020-10-16 03:07:19,853 INFO L342 CegarLoopForPetriNet]: 61 programPoint places, 26 predicate places. [2020-10-16 03:07:19,853 INFO L481 AbstractCegarLoop]: Abstraction has has 87 places, 81 transitions, 350 flow [2020-10-16 03:07:19,853 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-16 03:07:19,853 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 03:07:19,853 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 03:07:19,854 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-16 03:07:19,854 INFO L429 AbstractCegarLoop]: === Iteration 8 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 03:07:19,854 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 03:07:19,854 INFO L82 PathProgramCache]: Analyzing trace with hash -1595971690, now seen corresponding path program 1 times [2020-10-16 03:07:19,854 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 03:07:19,855 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1829760077] [2020-10-16 03:07:19,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 03:07:19,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 03:07:20,068 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 34 [2020-10-16 03:07:20,232 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 40 [2020-10-16 03:07:20,510 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 03:07:20,510 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1829760077] [2020-10-16 03:07:20,511 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 03:07:20,511 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-16 03:07:20,511 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1601087283] [2020-10-16 03:07:20,511 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-16 03:07:20,512 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 03:07:20,512 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-16 03:07:20,512 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-10-16 03:07:20,515 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 238 out of 444 [2020-10-16 03:07:20,516 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 87 places, 81 transitions, 350 flow. Second operand 10 states. [2020-10-16 03:07:20,516 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 03:07:20,516 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 238 of 444 [2020-10-16 03:07:20,516 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 03:07:20,807 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 46 [2020-10-16 03:07:21,567 INFO L129 PetriNetUnfolder]: 641/1401 cut-off events. [2020-10-16 03:07:21,568 INFO L130 PetriNetUnfolder]: For 323/323 co-relation queries the response was YES. [2020-10-16 03:07:21,574 INFO L80 FinitePrefix]: Finished finitePrefix Result has 2946 conditions, 1401 events. 641/1401 cut-off events. For 323/323 co-relation queries the response was YES. Maximal size of possible extension queue 50. Compared 6990 event pairs, 438 based on Foata normal form. 0/1213 useless extension candidates. Maximal degree in co-relation 2929. Up to 1049 conditions per place. [2020-10-16 03:07:21,581 INFO L132 encePairwiseOnDemand]: 432/444 looper letters, 56 selfloop transitions, 18 changer transitions 0/94 dead transitions. [2020-10-16 03:07:21,581 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 96 places, 94 transitions, 548 flow [2020-10-16 03:07:21,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-16 03:07:21,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2020-10-16 03:07:21,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 2443 transitions. [2020-10-16 03:07:21,590 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.5502252252252252 [2020-10-16 03:07:21,590 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 2443 transitions. [2020-10-16 03:07:21,590 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 2443 transitions. [2020-10-16 03:07:21,593 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 03:07:21,593 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 2443 transitions. [2020-10-16 03:07:21,598 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 11 states. [2020-10-16 03:07:21,604 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 11 states. [2020-10-16 03:07:21,604 INFO L81 ComplementDD]: Finished complementDD. Result 11 states. [2020-10-16 03:07:21,604 INFO L185 Difference]: Start difference. First operand has 87 places, 81 transitions, 350 flow. Second operand 10 states and 2443 transitions. [2020-10-16 03:07:21,604 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 96 places, 94 transitions, 548 flow [2020-10-16 03:07:21,608 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 93 places, 94 transitions, 534 flow, removed 0 selfloop flow, removed 3 redundant places. [2020-10-16 03:07:21,611 INFO L241 Difference]: Finished difference. Result has 97 places, 90 transitions, 440 flow [2020-10-16 03:07:21,612 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=444, PETRI_DIFFERENCE_MINUEND_FLOW=336, PETRI_DIFFERENCE_MINUEND_PLACES=84, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=81, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=66, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=440, PETRI_PLACES=97, PETRI_TRANSITIONS=90} [2020-10-16 03:07:21,612 INFO L342 CegarLoopForPetriNet]: 61 programPoint places, 36 predicate places. [2020-10-16 03:07:21,612 INFO L481 AbstractCegarLoop]: Abstraction has has 97 places, 90 transitions, 440 flow [2020-10-16 03:07:21,612 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-16 03:07:21,612 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 03:07:21,613 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 03:07:21,613 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-16 03:07:21,613 INFO L429 AbstractCegarLoop]: === Iteration 9 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 03:07:21,613 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 03:07:21,613 INFO L82 PathProgramCache]: Analyzing trace with hash -1042426993, now seen corresponding path program 1 times [2020-10-16 03:07:21,614 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 03:07:21,614 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [355519062] [2020-10-16 03:07:21,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 03:07:21,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 03:07:22,026 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 03:07:22,026 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [355519062] [2020-10-16 03:07:22,026 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 03:07:22,026 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-16 03:07:22,027 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [582859762] [2020-10-16 03:07:22,027 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-16 03:07:22,027 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 03:07:22,028 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-16 03:07:22,028 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2020-10-16 03:07:22,031 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 231 out of 444 [2020-10-16 03:07:22,032 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 97 places, 90 transitions, 440 flow. Second operand 11 states. [2020-10-16 03:07:22,032 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 03:07:22,032 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 231 of 444 [2020-10-16 03:07:22,032 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 03:07:22,865 INFO L129 PetriNetUnfolder]: 623/1361 cut-off events. [2020-10-16 03:07:22,865 INFO L130 PetriNetUnfolder]: For 330/330 co-relation queries the response was YES. [2020-10-16 03:07:22,870 INFO L80 FinitePrefix]: Finished finitePrefix Result has 2924 conditions, 1361 events. 623/1361 cut-off events. For 330/330 co-relation queries the response was YES. Maximal size of possible extension queue 49. Compared 6634 event pairs, 220 based on Foata normal form. 8/1191 useless extension candidates. Maximal degree in co-relation 2902. Up to 826 conditions per place. [2020-10-16 03:07:22,876 INFO L132 encePairwiseOnDemand]: 431/444 looper letters, 58 selfloop transitions, 27 changer transitions 7/112 dead transitions. [2020-10-16 03:07:22,876 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 102 places, 112 transitions, 662 flow [2020-10-16 03:07:22,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-16 03:07:22,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2020-10-16 03:07:22,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 2388 transitions. [2020-10-16 03:07:22,883 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.5378378378378378 [2020-10-16 03:07:22,883 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 2388 transitions. [2020-10-16 03:07:22,883 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 2388 transitions. [2020-10-16 03:07:22,885 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 03:07:22,885 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 2388 transitions. [2020-10-16 03:07:22,889 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 11 states. [2020-10-16 03:07:22,894 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 11 states. [2020-10-16 03:07:22,895 INFO L81 ComplementDD]: Finished complementDD. Result 11 states. [2020-10-16 03:07:22,895 INFO L185 Difference]: Start difference. First operand has 97 places, 90 transitions, 440 flow. Second operand 10 states and 2388 transitions. [2020-10-16 03:07:22,895 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 102 places, 112 transitions, 662 flow [2020-10-16 03:07:22,898 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 94 places, 112 transitions, 608 flow, removed 17 selfloop flow, removed 8 redundant places. [2020-10-16 03:07:22,900 INFO L241 Difference]: Finished difference. Result has 97 places, 87 transitions, 452 flow [2020-10-16 03:07:22,900 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=444, PETRI_DIFFERENCE_MINUEND_FLOW=348, PETRI_DIFFERENCE_MINUEND_PLACES=85, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=83, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=23, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=56, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=452, PETRI_PLACES=97, PETRI_TRANSITIONS=87} [2020-10-16 03:07:22,900 INFO L342 CegarLoopForPetriNet]: 61 programPoint places, 36 predicate places. [2020-10-16 03:07:22,900 INFO L481 AbstractCegarLoop]: Abstraction has has 97 places, 87 transitions, 452 flow [2020-10-16 03:07:22,901 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-16 03:07:22,901 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 03:07:22,901 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 03:07:22,901 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-16 03:07:22,901 INFO L429 AbstractCegarLoop]: === Iteration 10 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 03:07:22,901 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 03:07:22,902 INFO L82 PathProgramCache]: Analyzing trace with hash 1974303803, now seen corresponding path program 2 times [2020-10-16 03:07:22,902 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 03:07:22,902 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [446924743] [2020-10-16 03:07:22,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 03:07:22,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 03:07:23,233 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 03:07:23,233 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [446924743] [2020-10-16 03:07:23,234 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 03:07:23,234 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-16 03:07:23,234 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1150772566] [2020-10-16 03:07:23,234 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-16 03:07:23,234 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 03:07:23,235 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-16 03:07:23,235 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2020-10-16 03:07:23,238 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 231 out of 444 [2020-10-16 03:07:23,239 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 97 places, 87 transitions, 452 flow. Second operand 11 states. [2020-10-16 03:07:23,239 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 03:07:23,239 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 231 of 444 [2020-10-16 03:07:23,239 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 03:07:24,034 INFO L129 PetriNetUnfolder]: 639/1418 cut-off events. [2020-10-16 03:07:24,035 INFO L130 PetriNetUnfolder]: For 352/352 co-relation queries the response was YES. [2020-10-16 03:07:24,041 INFO L80 FinitePrefix]: Finished finitePrefix Result has 3092 conditions, 1418 events. 639/1418 cut-off events. For 352/352 co-relation queries the response was YES. Maximal size of possible extension queue 49. Compared 7122 event pairs, 208 based on Foata normal form. 0/1233 useless extension candidates. Maximal degree in co-relation 3070. Up to 786 conditions per place. [2020-10-16 03:07:24,048 INFO L132 encePairwiseOnDemand]: 432/444 looper letters, 59 selfloop transitions, 31 changer transitions 6/116 dead transitions. [2020-10-16 03:07:24,048 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 106 places, 116 transitions, 724 flow [2020-10-16 03:07:24,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-16 03:07:24,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2020-10-16 03:07:24,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 2388 transitions. [2020-10-16 03:07:24,055 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.5378378378378378 [2020-10-16 03:07:24,055 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 2388 transitions. [2020-10-16 03:07:24,055 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 2388 transitions. [2020-10-16 03:07:24,057 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 03:07:24,057 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 2388 transitions. [2020-10-16 03:07:24,061 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 11 states. [2020-10-16 03:07:24,066 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 11 states. [2020-10-16 03:07:24,067 INFO L81 ComplementDD]: Finished complementDD. Result 11 states. [2020-10-16 03:07:24,067 INFO L185 Difference]: Start difference. First operand has 97 places, 87 transitions, 452 flow. Second operand 10 states and 2388 transitions. [2020-10-16 03:07:24,067 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 106 places, 116 transitions, 724 flow [2020-10-16 03:07:24,071 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 100 places, 116 transitions, 676 flow, removed 8 selfloop flow, removed 6 redundant places. [2020-10-16 03:07:24,073 INFO L241 Difference]: Finished difference. Result has 102 places, 90 transitions, 512 flow [2020-10-16 03:07:24,073 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=444, PETRI_DIFFERENCE_MINUEND_FLOW=410, PETRI_DIFFERENCE_MINUEND_PLACES=91, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=87, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=28, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=57, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=512, PETRI_PLACES=102, PETRI_TRANSITIONS=90} [2020-10-16 03:07:24,074 INFO L342 CegarLoopForPetriNet]: 61 programPoint places, 41 predicate places. [2020-10-16 03:07:24,074 INFO L481 AbstractCegarLoop]: Abstraction has has 102 places, 90 transitions, 512 flow [2020-10-16 03:07:24,074 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-16 03:07:24,074 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 03:07:24,074 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 03:07:24,074 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-16 03:07:24,075 INFO L429 AbstractCegarLoop]: === Iteration 11 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 03:07:24,075 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 03:07:24,075 INFO L82 PathProgramCache]: Analyzing trace with hash 2064397553, now seen corresponding path program 3 times [2020-10-16 03:07:24,075 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 03:07:24,075 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [964806513] [2020-10-16 03:07:24,075 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 03:07:24,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 03:07:29,579 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 32 [2020-10-16 03:07:29,970 WARN L193 SmtUtils]: Spent 370.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 37 [2020-10-16 03:07:30,237 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 50 [2020-10-16 03:07:30,607 WARN L193 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 53 [2020-10-16 03:07:31,279 WARN L193 SmtUtils]: Spent 351.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 57 [2020-10-16 03:07:32,127 WARN L193 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 55 [2020-10-16 03:07:32,978 WARN L193 SmtUtils]: Spent 483.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 68 [2020-10-16 03:07:33,807 WARN L193 SmtUtils]: Spent 505.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 67 [2020-10-16 03:07:33,980 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 03:07:33,980 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [964806513] [2020-10-16 03:07:33,980 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 03:07:33,980 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-16 03:07:33,981 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1006839419] [2020-10-16 03:07:33,981 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-16 03:07:33,981 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 03:07:33,981 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-16 03:07:33,981 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2020-10-16 03:07:33,983 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 231 out of 444 [2020-10-16 03:07:33,985 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 102 places, 90 transitions, 512 flow. Second operand 12 states. [2020-10-16 03:07:33,985 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 03:07:33,985 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 231 of 444 [2020-10-16 03:07:33,985 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 03:07:34,534 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 43 [2020-10-16 03:07:36,390 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 56 [2020-10-16 03:07:41,670 WARN L193 SmtUtils]: Spent 2.53 s on a formula simplification that was a NOOP. DAG size: 128 [2020-10-16 03:07:46,291 WARN L193 SmtUtils]: Spent 2.60 s on a formula simplification that was a NOOP. DAG size: 139 [2020-10-16 03:07:59,084 INFO L129 PetriNetUnfolder]: 638/1421 cut-off events. [2020-10-16 03:07:59,084 INFO L130 PetriNetUnfolder]: For 430/430 co-relation queries the response was YES. [2020-10-16 03:07:59,089 INFO L80 FinitePrefix]: Finished finitePrefix Result has 3143 conditions, 1421 events. 638/1421 cut-off events. For 430/430 co-relation queries the response was YES. Maximal size of possible extension queue 49. Compared 7140 event pairs, 203 based on Foata normal form. 0/1238 useless extension candidates. Maximal degree in co-relation 3119. Up to 786 conditions per place. [2020-10-16 03:07:59,095 INFO L132 encePairwiseOnDemand]: 432/444 looper letters, 58 selfloop transitions, 33 changer transitions 7/117 dead transitions. [2020-10-16 03:07:59,096 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 110 places, 117 transitions, 776 flow [2020-10-16 03:07:59,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-16 03:07:59,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2020-10-16 03:07:59,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 2618 transitions. [2020-10-16 03:07:59,104 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.536036036036036 [2020-10-16 03:07:59,104 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 2618 transitions. [2020-10-16 03:07:59,104 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 2618 transitions. [2020-10-16 03:07:59,106 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 03:07:59,106 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 2618 transitions. [2020-10-16 03:07:59,110 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 12 states. [2020-10-16 03:07:59,116 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 12 states. [2020-10-16 03:07:59,117 INFO L81 ComplementDD]: Finished complementDD. Result 12 states. [2020-10-16 03:07:59,117 INFO L185 Difference]: Start difference. First operand has 102 places, 90 transitions, 512 flow. Second operand 11 states and 2618 transitions. [2020-10-16 03:07:59,117 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 110 places, 117 transitions, 776 flow [2020-10-16 03:07:59,121 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 103 places, 117 transitions, 736 flow, removed 1 selfloop flow, removed 7 redundant places. [2020-10-16 03:07:59,123 INFO L241 Difference]: Finished difference. Result has 103 places, 88 transitions, 530 flow [2020-10-16 03:07:59,124 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=444, PETRI_DIFFERENCE_MINUEND_FLOW=464, PETRI_DIFFERENCE_MINUEND_PLACES=93, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=88, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=33, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=55, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=530, PETRI_PLACES=103, PETRI_TRANSITIONS=88} [2020-10-16 03:07:59,124 INFO L342 CegarLoopForPetriNet]: 61 programPoint places, 42 predicate places. [2020-10-16 03:07:59,124 INFO L481 AbstractCegarLoop]: Abstraction has has 103 places, 88 transitions, 530 flow [2020-10-16 03:07:59,124 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-16 03:07:59,124 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 03:07:59,124 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, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 03:07:59,125 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-16 03:07:59,125 INFO L429 AbstractCegarLoop]: === Iteration 12 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 03:07:59,125 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 03:07:59,125 INFO L82 PathProgramCache]: Analyzing trace with hash 155775432, now seen corresponding path program 1 times [2020-10-16 03:07:59,125 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 03:07:59,126 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1348994411] [2020-10-16 03:07:59,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 03:07:59,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 03:07:59,158 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 03:07:59,159 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1348994411] [2020-10-16 03:07:59,159 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 03:07:59,159 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-16 03:07:59,159 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [743153630] [2020-10-16 03:07:59,160 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-16 03:07:59,160 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 03:07:59,160 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-16 03:07:59,160 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 03:07:59,162 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 384 out of 444 [2020-10-16 03:07:59,162 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 103 places, 88 transitions, 530 flow. Second operand 3 states. [2020-10-16 03:07:59,162 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 03:07:59,163 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 384 of 444 [2020-10-16 03:07:59,163 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 03:07:59,241 INFO L129 PetriNetUnfolder]: 53/323 cut-off events. [2020-10-16 03:07:59,241 INFO L130 PetriNetUnfolder]: For 147/149 co-relation queries the response was YES. [2020-10-16 03:07:59,243 INFO L80 FinitePrefix]: Finished finitePrefix Result has 655 conditions, 323 events. 53/323 cut-off events. For 147/149 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 1482 event pairs, 4 based on Foata normal form. 35/324 useless extension candidates. Maximal degree in co-relation 631. Up to 54 conditions per place. [2020-10-16 03:07:59,244 INFO L132 encePairwiseOnDemand]: 436/444 looper letters, 1 selfloop transitions, 9 changer transitions 0/88 dead transitions. [2020-10-16 03:07:59,244 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 105 places, 88 transitions, 550 flow [2020-10-16 03:07:59,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-16 03:07:59,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-10-16 03:07:59,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1166 transitions. [2020-10-16 03:07:59,248 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.8753753753753754 [2020-10-16 03:07:59,248 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1166 transitions. [2020-10-16 03:07:59,248 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1166 transitions. [2020-10-16 03:07:59,249 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 03:07:59,249 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1166 transitions. [2020-10-16 03:07:59,251 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 4 states. [2020-10-16 03:07:59,253 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 4 states. [2020-10-16 03:07:59,253 INFO L81 ComplementDD]: Finished complementDD. Result 4 states. [2020-10-16 03:07:59,253 INFO L185 Difference]: Start difference. First operand has 103 places, 88 transitions, 530 flow. Second operand 3 states and 1166 transitions. [2020-10-16 03:07:59,254 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 105 places, 88 transitions, 550 flow [2020-10-16 03:07:59,256 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 96 places, 88 transitions, 499 flow, removed 0 selfloop flow, removed 9 redundant places. [2020-10-16 03:07:59,258 INFO L241 Difference]: Finished difference. Result has 96 places, 88 transitions, 497 flow [2020-10-16 03:07:59,258 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=444, PETRI_DIFFERENCE_MINUEND_FLOW=479, PETRI_DIFFERENCE_MINUEND_PLACES=94, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=88, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=79, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=497, PETRI_PLACES=96, PETRI_TRANSITIONS=88} [2020-10-16 03:07:59,258 INFO L342 CegarLoopForPetriNet]: 61 programPoint places, 35 predicate places. [2020-10-16 03:07:59,259 INFO L481 AbstractCegarLoop]: Abstraction has has 96 places, 88 transitions, 497 flow [2020-10-16 03:07:59,259 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-16 03:07:59,259 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 03:07:59,259 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 03:07:59,259 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-16 03:07:59,259 INFO L429 AbstractCegarLoop]: === Iteration 13 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 03:07:59,259 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 03:07:59,259 INFO L82 PathProgramCache]: Analyzing trace with hash 1074339694, now seen corresponding path program 1 times [2020-10-16 03:07:59,260 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 03:07:59,261 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1795147850] [2020-10-16 03:07:59,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 03:07:59,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat Received shutdown request... [2020-10-16 03:20:05,790 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-10-16 03:20:05,796 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-10-16 03:20:05,798 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-10-16 03:20:05,800 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-10-16 03:20:05,801 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-10-16 03:20:05,803 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-10-16 03:20:05,805 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-10-16 03:20:05,806 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-10-16 03:20:05,807 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-10-16 03:20:05,808 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-10-16 03:20:05,808 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-10-16 03:20:05,809 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-10-16 03:20:05,809 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-10-16 03:20:05,810 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-10-16 03:20:05,811 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-10-16 03:20:05,813 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-16 03:20:05,813 WARN L546 AbstractCegarLoop]: Verification canceled [2020-10-16 03:20:05,817 WARN L235 ceAbstractionStarter]: Timeout [2020-10-16 03:20:05,818 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.10 03:20:05 BasicIcfg [2020-10-16 03:20:05,818 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-16 03:20:05,820 INFO L168 Benchmark]: Toolchain (without parser) took 784169.95 ms. Allocated memory was 253.8 MB in the beginning and 7.5 GB in the end (delta: 7.2 GB). Free memory was 208.9 MB in the beginning and 873.4 MB in the end (delta: -664.5 MB). Peak memory consumption was 7.3 GB. Max. memory is 14.2 GB. [2020-10-16 03:20:05,820 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 253.8 MB. Free memory is still 230.1 MB. There was no memory consumed. Max. memory is 14.2 GB. [2020-10-16 03:20:05,821 INFO L168 Benchmark]: CACSL2BoogieTranslator took 954.57 ms. Allocated memory was 253.8 MB in the beginning and 321.4 MB in the end (delta: 67.6 MB). Free memory was 208.9 MB in the beginning and 249.4 MB in the end (delta: -40.5 MB). Peak memory consumption was 37.2 MB. Max. memory is 14.2 GB. [2020-10-16 03:20:05,821 INFO L168 Benchmark]: Boogie Procedure Inliner took 91.91 ms. Allocated memory is still 321.4 MB. Free memory was 249.4 MB in the beginning and 244.3 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 14.2 GB. [2020-10-16 03:20:05,822 INFO L168 Benchmark]: Boogie Preprocessor took 40.35 ms. Allocated memory is still 321.4 MB. Free memory was 244.3 MB in the beginning and 241.8 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. [2020-10-16 03:20:05,823 INFO L168 Benchmark]: RCFGBuilder took 732.74 ms. Allocated memory is still 321.4 MB. Free memory was 241.8 MB in the beginning and 194.4 MB in the end (delta: 47.5 MB). Peak memory consumption was 47.5 MB. Max. memory is 14.2 GB. [2020-10-16 03:20:05,824 INFO L168 Benchmark]: TraceAbstraction took 782344.26 ms. Allocated memory was 321.4 MB in the beginning and 7.5 GB in the end (delta: 7.2 GB). Free memory was 194.4 MB in the beginning and 873.4 MB in the end (delta: -679.1 MB). Peak memory consumption was 7.2 GB. Max. memory is 14.2 GB. [2020-10-16 03:20:05,831 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 253.8 MB. Free memory is still 230.1 MB. There was no memory consumed. Max. memory is 14.2 GB. * CACSL2BoogieTranslator took 954.57 ms. Allocated memory was 253.8 MB in the beginning and 321.4 MB in the end (delta: 67.6 MB). Free memory was 208.9 MB in the beginning and 249.4 MB in the end (delta: -40.5 MB). Peak memory consumption was 37.2 MB. Max. memory is 14.2 GB. * Boogie Procedure Inliner took 91.91 ms. Allocated memory is still 321.4 MB. Free memory was 249.4 MB in the beginning and 244.3 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 14.2 GB. * Boogie Preprocessor took 40.35 ms. Allocated memory is still 321.4 MB. Free memory was 244.3 MB in the beginning and 241.8 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. * RCFGBuilder took 732.74 ms. Allocated memory is still 321.4 MB. Free memory was 241.8 MB in the beginning and 194.4 MB in the end (delta: 47.5 MB). Peak memory consumption was 47.5 MB. Max. memory is 14.2 GB. * TraceAbstraction took 782344.26 ms. Allocated memory was 321.4 MB in the beginning and 7.5 GB in the end (delta: 7.2 GB). Free memory was 194.4 MB in the beginning and 873.4 MB in the end (delta: -679.1 MB). Peak memory consumption was 7.2 GB. Max. memory is 14.2 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 9995 VarBasedMoverChecksPositive, 220 VarBasedMoverChecksNegative, 46 SemBasedMoverChecksPositive, 174 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 1.2s, 713 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 9.8s, 223 PlacesBefore, 61 PlacesAfterwards, 232 TransitionsBefore, 66 TransitionsAfterwards, 14896 CoEnabledTransitionPairs, 8 FixpointIterations, 56 TrivialSequentialCompositions, 115 ConcurrentSequentialCompositions, 1 TrivialYvCompositions, 24 ConcurrentYvCompositions, 4 ChoiceCompositions, 200 TotalNumberOfCompositions, 34728 MoverChecksTotal - TimeoutResultAtElement [Line: 1040]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 1040). Cancelled while CegarLoopForPetriNet was analyzing trace of length 37 with TraceHistMax 1,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while NestedInterpolantsBuilder was constructing predicates for 35 interpolants. - TimeoutResultAtElement [Line: 1013]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 1013). Cancelled while CegarLoopForPetriNet was analyzing trace of length 37 with TraceHistMax 1,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while NestedInterpolantsBuilder was constructing predicates for 35 interpolants. - TimeoutResultAtElement [Line: 1024]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 1024). Cancelled while CegarLoopForPetriNet was analyzing trace of length 37 with TraceHistMax 1,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while NestedInterpolantsBuilder was constructing predicates for 35 interpolants. - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 228 locations, 3 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: 782.1s, OverallIterations: 13, TraceHistogramMax: 1, AutomataDifference: 32.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 10.0s, HoareTripleCheckerStatistics: 212 SDtfs, 221 SDslu, 8 SDs, 0 SdLazy, 2693 SolverSat, 90 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 19.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 115 GetRequests, 19 SyntacticMatches, 5 SemanticMatches, 91 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 145 ImplicationChecksByTransitivity, 16.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=530occurred 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: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 12.6s InterpolantComputationTime, 175 NumberOfCodeBlocks, 175 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 163 ConstructedInterpolants, 0 QuantifiedInterpolants, 148219 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 12 InterpolantComputations, 12 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown