/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/VMCAI2021_PN.epf -i ../../../trunk/examples/svcomp/pthread/queue.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-11af1e5 [2020-10-11 16:38:23,893 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-11 16:38:23,896 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-11 16:38:23,932 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-11 16:38:23,932 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-11 16:38:23,941 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-11 16:38:23,944 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-11 16:38:23,946 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-11 16:38:23,948 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-11 16:38:23,950 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-11 16:38:23,951 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-11 16:38:23,954 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-11 16:38:23,954 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-11 16:38:23,958 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-11 16:38:23,961 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-11 16:38:23,963 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-11 16:38:23,964 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-11 16:38:23,966 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-11 16:38:23,967 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-11 16:38:23,976 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-11 16:38:23,979 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-11 16:38:23,980 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-11 16:38:23,981 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-11 16:38:23,981 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-11 16:38:23,988 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-11 16:38:23,988 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-11 16:38:23,989 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-11 16:38:23,989 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-11 16:38:23,990 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-11 16:38:23,996 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-11 16:38:23,996 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-11 16:38:23,997 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-11 16:38:23,998 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-11 16:38:23,998 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-11 16:38:23,999 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-11 16:38:23,999 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-11 16:38:24,000 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-11 16:38:24,002 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-11 16:38:24,002 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-11 16:38:24,003 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-11 16:38:24,004 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-11 16:38:24,006 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/VMCAI2021_PN.epf [2020-10-11 16:38:24,050 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-11 16:38:24,052 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-11 16:38:24,054 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-11 16:38:24,054 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-11 16:38:24,054 INFO L138 SettingsManager]: * Use SBE=true [2020-10-11 16:38:24,055 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-11 16:38:24,055 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-11 16:38:24,055 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-11 16:38:24,055 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-11 16:38:24,055 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-11 16:38:24,057 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-11 16:38:24,057 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-11 16:38:24,057 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-11 16:38:24,058 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-11 16:38:24,058 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-11 16:38:24,058 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-11 16:38:24,058 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-11 16:38:24,058 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-11 16:38:24,059 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-11 16:38:24,059 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-11 16:38:24,059 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-11 16:38:24,059 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-11 16:38:24,059 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-11 16:38:24,060 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-11 16:38:24,060 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-11 16:38:24,060 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-11 16:38:24,060 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-11 16:38:24,060 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2020-10-11 16:38:24,061 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2020-10-11 16:38:24,061 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-11 16:38:24,364 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-11 16:38:24,377 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-11 16:38:24,381 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-11 16:38:24,383 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-11 16:38:24,383 INFO L275 PluginConnector]: CDTParser initialized [2020-10-11 16:38:24,384 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread/queue.i [2020-10-11 16:38:24,448 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e55c1e908/332796f2bdeb40a9877cbb5e3c2be69f/FLAGdd050d997 [2020-10-11 16:38:25,013 INFO L306 CDTParser]: Found 1 translation units. [2020-10-11 16:38:25,014 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/queue.i [2020-10-11 16:38:25,043 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e55c1e908/332796f2bdeb40a9877cbb5e3c2be69f/FLAGdd050d997 [2020-10-11 16:38:25,296 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e55c1e908/332796f2bdeb40a9877cbb5e3c2be69f [2020-10-11 16:38:25,308 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-11 16:38:25,310 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-11 16:38:25,311 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-11 16:38:25,311 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-11 16:38:25,317 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-11 16:38:25,319 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 04:38:25" (1/1) ... [2020-10-11 16:38:25,323 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b7d32a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 04:38:25, skipping insertion in model container [2020-10-11 16:38:25,323 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 04:38:25" (1/1) ... [2020-10-11 16:38:25,334 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-11 16:38:25,412 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-11 16:38:26,107 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-11 16:38:26,122 INFO L203 MainTranslator]: Completed pre-run [2020-10-11 16:38:26,173 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-11 16:38:26,326 INFO L208 MainTranslator]: Completed translation [2020-10-11 16:38:26,327 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 04:38:26 WrapperNode [2020-10-11 16:38:26,328 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-11 16:38:26,329 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-11 16:38:26,329 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-11 16:38:26,329 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-11 16:38:26,339 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 04:38:26" (1/1) ... [2020-10-11 16:38:26,394 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 04:38:26" (1/1) ... [2020-10-11 16:38:26,440 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-11 16:38:26,441 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-11 16:38:26,441 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-11 16:38:26,441 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-11 16:38:26,452 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 04:38:26" (1/1) ... [2020-10-11 16:38:26,453 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 04:38:26" (1/1) ... [2020-10-11 16:38:26,457 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 04:38:26" (1/1) ... [2020-10-11 16:38:26,458 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 04:38:26" (1/1) ... [2020-10-11 16:38:26,471 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 04:38:26" (1/1) ... [2020-10-11 16:38:26,477 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 04:38:26" (1/1) ... [2020-10-11 16:38:26,480 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 04:38:26" (1/1) ... [2020-10-11 16:38:26,485 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-11 16:38:26,486 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-11 16:38:26,486 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-11 16:38:26,486 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-11 16:38:26,487 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 04:38:26" (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 [2020-10-11 16:38:26,558 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2020-10-11 16:38:26,559 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2020-10-11 16:38:26,559 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2020-10-11 16:38:26,559 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2020-10-11 16:38:26,559 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-11 16:38:26,560 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-11 16:38:26,560 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-11 16:38:26,561 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-11 16:38:26,561 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2020-10-11 16:38:26,562 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-11 16:38:26,562 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-11 16:38:26,563 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-11 16:38:26,565 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-10-11 16:38:27,337 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-11 16:38:27,338 INFO L298 CfgBuilder]: Removed 18 assume(true) statements. [2020-10-11 16:38:27,341 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 04:38:27 BoogieIcfgContainer [2020-10-11 16:38:27,341 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-11 16:38:27,343 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-11 16:38:27,343 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-11 16:38:27,348 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-11 16:38:27,349 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 04:38:25" (1/3) ... [2020-10-11 16:38:27,350 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d1146f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 04:38:27, skipping insertion in model container [2020-10-11 16:38:27,350 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 04:38:26" (2/3) ... [2020-10-11 16:38:27,351 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d1146f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 04:38:27, skipping insertion in model container [2020-10-11 16:38:27,351 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 04:38:27" (3/3) ... [2020-10-11 16:38:27,353 INFO L111 eAbstractionObserver]: Analyzing ICFG queue.i [2020-10-11 16:38:27,369 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-11 16:38:27,380 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-10-11 16:38:27,382 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-11 16:38:27,431 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,431 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,432 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,432 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,432 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,432 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,433 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,433 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,433 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,433 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,434 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,434 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,434 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,434 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,435 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,435 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,435 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,435 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,436 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,436 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,436 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,436 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,436 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,437 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,437 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,437 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,437 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,438 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,438 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,438 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,438 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,438 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,439 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,439 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,439 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,439 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,440 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,440 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,440 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,440 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,441 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,441 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,441 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,441 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,442 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,442 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,442 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,442 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,443 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,443 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,443 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,443 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,444 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,444 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,444 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,444 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,445 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,445 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,445 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,445 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,446 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,446 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,446 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,446 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,447 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,447 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,447 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,447 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,447 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,448 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,448 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,448 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,448 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,449 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,449 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,449 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,449 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,450 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,450 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,450 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,451 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,451 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,451 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,451 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,452 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,452 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,452 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,452 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,453 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,453 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,453 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,453 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,453 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,454 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,454 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,454 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,454 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,455 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,455 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,455 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,455 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,456 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,456 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,456 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,456 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,457 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,457 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,457 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,457 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,458 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,458 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,458 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,458 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,459 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,459 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,459 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,460 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,460 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,460 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,460 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,461 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,461 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,461 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,461 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,462 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,462 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,462 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,462 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,462 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,463 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,463 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,463 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,463 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,464 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,464 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,464 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,464 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,464 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,465 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,465 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,465 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,465 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,465 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,465 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,466 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,466 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,466 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,466 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,467 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,467 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,467 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,467 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,467 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,468 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,468 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,468 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,468 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,469 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,469 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,469 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,469 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,489 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,490 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,490 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,491 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,491 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,491 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,491 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,491 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,491 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,492 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,492 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,492 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,492 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,492 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,493 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,493 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,493 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,493 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,493 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,494 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,494 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,494 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,494 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,494 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,495 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,495 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,495 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,495 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,495 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,495 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,496 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,496 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,496 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,502 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,502 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,503 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,503 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,509 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,510 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,510 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,510 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,511 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,511 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,511 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,512 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,512 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,512 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,513 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,513 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,514 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,514 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,514 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,514 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,514 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,514 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,515 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,515 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,515 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,515 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,515 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,515 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,515 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,516 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,516 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,516 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,516 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,516 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,517 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,517 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,517 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,517 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,520 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,521 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,522 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,523 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,530 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,530 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,530 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,531 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,531 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,531 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,531 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,531 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,531 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,532 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,535 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,535 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,535 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,535 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,536 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,536 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,536 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,536 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,536 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,536 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,537 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,537 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,538 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,538 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,538 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,538 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,538 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,538 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,539 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,539 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,539 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,539 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,539 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,539 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,540 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,540 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,540 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,540 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,540 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,541 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,541 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,541 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,541 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,541 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,541 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,541 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,542 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,542 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,551 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,551 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,552 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,552 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,552 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,552 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,552 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,552 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,553 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,553 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,553 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,553 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,553 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,553 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,554 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,554 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,554 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,554 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,554 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,554 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,555 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,555 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,555 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,555 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,555 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,555 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,556 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,556 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,556 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,556 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,556 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,557 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,557 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,557 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,557 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,564 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,564 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,564 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,565 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,565 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,565 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,565 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,565 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,566 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,566 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,566 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,567 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,567 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,567 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,567 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,567 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,568 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,568 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,568 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,568 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,568 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,568 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:27,594 INFO L253 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2020-10-11 16:38:27,618 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-11 16:38:27,619 INFO L378 AbstractCegarLoop]: Hoare is false [2020-10-11 16:38:27,619 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-11 16:38:27,619 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-11 16:38:27,619 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-11 16:38:27,619 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-11 16:38:27,619 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-11 16:38:27,619 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-11 16:38:27,639 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 234 places, 244 transitions, 510 flow [2020-10-11 16:38:27,739 INFO L129 PetriNetUnfolder]: 16/244 cut-off events. [2020-10-11 16:38:27,740 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2020-10-11 16:38:27,757 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. [2020-10-11 16:38:27,757 INFO L82 GeneralOperation]: Start removeDead. Operand has 234 places, 244 transitions, 510 flow [2020-10-11 16:38:27,772 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 223 places, 232 transitions, 476 flow [2020-10-11 16:38:27,791 INFO L129 PetriNetUnfolder]: 2/51 cut-off events. [2020-10-11 16:38:27,791 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-11 16:38:27,791 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-11 16:38:27,796 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, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-11 16:38:27,797 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]=== [2020-10-11 16:38:27,805 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 16:38:27,805 INFO L82 PathProgramCache]: Analyzing trace with hash -2065430738, now seen corresponding path program 1 times [2020-10-11 16:38:27,817 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 16:38:27,820 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [524059825] [2020-10-11 16:38:27,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 16:38:28,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 16:38:28,188 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-11 16:38:28,189 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [524059825] [2020-10-11 16:38:28,191 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-11 16:38:28,191 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-11 16:38:28,193 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [297176237] [2020-10-11 16:38:28,206 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-11 16:38:28,207 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 16:38:28,222 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-11 16:38:28,225 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-11 16:38:28,232 INFO L506 CegarLoopForPetriNet]: Number of universal loopers: 238 out of 244 [2020-10-11 16:38:28,237 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 223 places, 232 transitions, 476 flow. Second operand 2 states. [2020-10-11 16:38:28,237 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-11 16:38:28,237 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 238 of 244 [2020-10-11 16:38:28,239 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-11 16:38:28,312 INFO L129 PetriNetUnfolder]: 10/226 cut-off events. [2020-10-11 16:38:28,313 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2020-10-11 16:38:28,317 INFO L80 FinitePrefix]: Finished finitePrefix Result has 236 conditions, 226 events. 10/226 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 280 event pairs, 0 based on Foata normal form. 5/219 useless extension candidates. Maximal degree in co-relation 232. Up to 2 conditions per place. [2020-10-11 16:38:28,319 INFO L132 encePairwiseOnDemand]: 239/244 looper letters, 0 selfloop transitions, 0 changer transitions 0/224 dead transitions. [2020-10-11 16:38:28,320 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 221 places, 224 transitions, 460 flow [2020-10-11 16:38:28,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-11 16:38:28,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-10-11 16:38:28,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 481 transitions. [2020-10-11 16:38:28,338 INFO L551 CegarLoopForPetriNet]: DFA transition density 0.985655737704918 [2020-10-11 16:38:28,339 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 481 transitions. [2020-10-11 16:38:28,340 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 481 transitions. [2020-10-11 16:38:28,343 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-11 16:38:28,346 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 481 transitions. [2020-10-11 16:38:28,350 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 3 states. [2020-10-11 16:38:28,358 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 3 states. [2020-10-11 16:38:28,358 INFO L81 ComplementDD]: Finished complementDD. Result 3 states. [2020-10-11 16:38:28,361 INFO L185 Difference]: Start difference. First operand has 223 places, 232 transitions, 476 flow. Second operand 2 states and 481 transitions. [2020-10-11 16:38:28,362 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 221 places, 224 transitions, 460 flow [2020-10-11 16:38:28,368 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 217 places, 224 transitions, 452 flow, removed 0 selfloop flow, removed 4 redundant places. [2020-10-11 16:38:28,374 INFO L241 Difference]: Finished difference. Result has 217 places, 224 transitions, 452 flow [2020-10-11 16:38:28,378 INFO L325 CegarLoopForPetriNet]: {PETRI_ALPHABET=244, PETRI_DIFFERENCE_MINUEND_FLOW=452, PETRI_DIFFERENCE_MINUEND_PLACES=216, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=224, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=224, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=452, PETRI_PLACES=217, PETRI_TRANSITIONS=224} [2020-10-11 16:38:28,379 INFO L341 CegarLoopForPetriNet]: 223 programPoint places, -6 predicate places. [2020-10-11 16:38:28,379 INFO L481 AbstractCegarLoop]: Abstraction has has 217 places, 224 transitions, 452 flow [2020-10-11 16:38:28,379 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-11 16:38:28,380 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-11 16:38:28,380 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-11 16:38:28,380 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-11 16:38:28,381 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]=== [2020-10-11 16:38:28,381 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 16:38:28,381 INFO L82 PathProgramCache]: Analyzing trace with hash -1831564866, now seen corresponding path program 1 times [2020-10-11 16:38:28,382 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 16:38:28,382 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [751992688] [2020-10-11 16:38:28,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 16:38:28,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 16:38:28,745 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-11 16:38:28,746 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [751992688] [2020-10-11 16:38:28,746 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-11 16:38:28,746 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-11 16:38:28,746 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [911462114] [2020-10-11 16:38:28,748 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-11 16:38:28,749 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 16:38:28,749 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-11 16:38:28,750 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2020-10-11 16:38:36,865 INFO L506 CegarLoopForPetriNet]: Number of universal loopers: 203 out of 244 [2020-10-11 16:38:36,867 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 217 places, 224 transitions, 452 flow. Second operand 12 states. [2020-10-11 16:38:36,867 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-11 16:38:36,867 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 203 of 244 [2020-10-11 16:38:36,867 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-11 16:38:37,563 INFO L129 PetriNetUnfolder]: 73/655 cut-off events. [2020-10-11 16:38:37,564 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-11 16:38:37,573 INFO L80 FinitePrefix]: Finished finitePrefix Result has 772 conditions, 655 events. 73/655 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 3036 event pairs, 30 based on Foata normal form. 0/614 useless extension candidates. Maximal degree in co-relation 769. Up to 94 conditions per place. [2020-10-11 16:38:37,578 INFO L132 encePairwiseOnDemand]: 229/244 looper letters, 20 selfloop transitions, 14 changer transitions 0/222 dead transitions. [2020-10-11 16:38:37,579 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 226 places, 222 transitions, 516 flow [2020-10-11 16:38:37,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-11 16:38:37,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2020-10-11 16:38:37,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 2674 transitions. [2020-10-11 16:38:37,593 INFO L551 CegarLoopForPetriNet]: DFA transition density 0.8430012610340479 [2020-10-11 16:38:37,597 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 2674 transitions. [2020-10-11 16:38:37,598 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 2674 transitions. [2020-10-11 16:38:37,600 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-11 16:38:37,600 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 2674 transitions. [2020-10-11 16:38:37,606 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 14 states. [2020-10-11 16:38:37,614 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 14 states. [2020-10-11 16:38:37,615 INFO L81 ComplementDD]: Finished complementDD. Result 14 states. [2020-10-11 16:38:37,615 INFO L185 Difference]: Start difference. First operand has 217 places, 224 transitions, 452 flow. Second operand 13 states and 2674 transitions. [2020-10-11 16:38:37,615 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 226 places, 222 transitions, 516 flow [2020-10-11 16:38:37,621 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 226 places, 222 transitions, 516 flow, removed 0 selfloop flow, removed 0 redundant places. [2020-10-11 16:38:37,635 INFO L241 Difference]: Finished difference. Result has 227 places, 222 transitions, 485 flow [2020-10-11 16:38:37,636 INFO L325 CegarLoopForPetriNet]: {PETRI_ALPHABET=244, PETRI_DIFFERENCE_MINUEND_FLOW=444, PETRI_DIFFERENCE_MINUEND_PLACES=214, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=220, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=12, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=206, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=485, PETRI_PLACES=227, PETRI_TRANSITIONS=222} [2020-10-11 16:38:37,637 INFO L341 CegarLoopForPetriNet]: 223 programPoint places, 4 predicate places. [2020-10-11 16:38:37,637 INFO L481 AbstractCegarLoop]: Abstraction has has 227 places, 222 transitions, 485 flow [2020-10-11 16:38:37,637 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-11 16:38:37,637 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-11 16:38:37,638 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-11 16:38:37,638 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-11 16:38:37,639 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]=== [2020-10-11 16:38:37,639 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 16:38:37,639 INFO L82 PathProgramCache]: Analyzing trace with hash -609743108, now seen corresponding path program 1 times [2020-10-11 16:38:37,640 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 16:38:37,640 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1580575838] [2020-10-11 16:38:37,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 16:38:37,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 16:38:37,777 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-11 16:38:37,778 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1580575838] [2020-10-11 16:38:37,778 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-11 16:38:37,779 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-11 16:38:37,779 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1137677766] [2020-10-11 16:38:37,779 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-11 16:38:37,780 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 16:38:37,780 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-11 16:38:37,780 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-11 16:38:37,863 INFO L506 CegarLoopForPetriNet]: Number of universal loopers: 228 out of 244 [2020-10-11 16:38:37,865 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 227 places, 222 transitions, 485 flow. Second operand 4 states. [2020-10-11 16:38:37,865 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-11 16:38:37,865 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 228 of 244 [2020-10-11 16:38:37,865 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-11 16:38:37,935 INFO L129 PetriNetUnfolder]: 14/315 cut-off events. [2020-10-11 16:38:37,936 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2020-10-11 16:38:37,939 INFO L80 FinitePrefix]: Finished finitePrefix Result has 355 conditions, 315 events. 14/315 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 659 event pairs, 0 based on Foata normal form. 0/299 useless extension candidates. Maximal degree in co-relation 350. Up to 6 conditions per place. [2020-10-11 16:38:37,941 INFO L132 encePairwiseOnDemand]: 238/244 looper letters, 3 selfloop transitions, 5 changer transitions 0/220 dead transitions. [2020-10-11 16:38:37,941 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 229 places, 220 transitions, 497 flow [2020-10-11 16:38:37,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-11 16:38:37,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-10-11 16:38:37,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 921 transitions. [2020-10-11 16:38:37,945 INFO L551 CegarLoopForPetriNet]: DFA transition density 0.9436475409836066 [2020-10-11 16:38:37,945 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 921 transitions. [2020-10-11 16:38:37,945 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 921 transitions. [2020-10-11 16:38:37,946 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-11 16:38:37,946 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 921 transitions. [2020-10-11 16:38:37,948 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 5 states. [2020-10-11 16:38:37,950 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 5 states. [2020-10-11 16:38:37,950 INFO L81 ComplementDD]: Finished complementDD. Result 5 states. [2020-10-11 16:38:37,950 INFO L185 Difference]: Start difference. First operand has 227 places, 222 transitions, 485 flow. Second operand 4 states and 921 transitions. [2020-10-11 16:38:37,950 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 229 places, 220 transitions, 497 flow [2020-10-11 16:38:37,953 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 219 places, 220 transitions, 476 flow, removed 0 selfloop flow, removed 10 redundant places. [2020-10-11 16:38:37,957 INFO L241 Difference]: Finished difference. Result has 219 places, 220 transitions, 470 flow [2020-10-11 16:38:37,958 INFO L325 CegarLoopForPetriNet]: {PETRI_ALPHABET=244, PETRI_DIFFERENCE_MINUEND_FLOW=460, PETRI_DIFFERENCE_MINUEND_PLACES=216, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=220, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=215, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=470, PETRI_PLACES=219, PETRI_TRANSITIONS=220} [2020-10-11 16:38:37,958 INFO L341 CegarLoopForPetriNet]: 223 programPoint places, -4 predicate places. [2020-10-11 16:38:37,958 INFO L481 AbstractCegarLoop]: Abstraction has has 219 places, 220 transitions, 470 flow [2020-10-11 16:38:37,959 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-11 16:38:37,959 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-11 16:38:37,959 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-11 16:38:37,959 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-11 16:38:37,960 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]=== [2020-10-11 16:38:37,960 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 16:38:37,960 INFO L82 PathProgramCache]: Analyzing trace with hash 1805531422, now seen corresponding path program 1 times [2020-10-11 16:38:37,960 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 16:38:37,961 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1222475017] [2020-10-11 16:38:37,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 16:38:37,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 16:38:38,041 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-11 16:38:38,041 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1222475017] [2020-10-11 16:38:38,042 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-11 16:38:38,042 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-11 16:38:38,042 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [916312715] [2020-10-11 16:38:38,043 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-11 16:38:38,043 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 16:38:38,043 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-11 16:38:38,044 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-11 16:38:38,072 INFO L506 CegarLoopForPetriNet]: Number of universal loopers: 233 out of 244 [2020-10-11 16:38:38,073 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 219 places, 220 transitions, 470 flow. Second operand 3 states. [2020-10-11 16:38:38,073 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-11 16:38:38,073 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 233 of 244 [2020-10-11 16:38:38,074 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-11 16:38:38,199 INFO L129 PetriNetUnfolder]: 23/476 cut-off events. [2020-10-11 16:38:38,200 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-11 16:38:38,203 INFO L80 FinitePrefix]: Finished finitePrefix Result has 520 conditions, 476 events. 23/476 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 900 event pairs, 0 based on Foata normal form. 2/452 useless extension candidates. Maximal degree in co-relation 515. Up to 12 conditions per place. [2020-10-11 16:38:38,205 INFO L132 encePairwiseOnDemand]: 240/244 looper letters, 3 selfloop transitions, 3 changer transitions 0/221 dead transitions. [2020-10-11 16:38:38,206 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 221 places, 221 transitions, 484 flow [2020-10-11 16:38:38,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-11 16:38:38,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-10-11 16:38:38,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 706 transitions. [2020-10-11 16:38:38,209 INFO L551 CegarLoopForPetriNet]: DFA transition density 0.9644808743169399 [2020-10-11 16:38:38,209 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 706 transitions. [2020-10-11 16:38:38,209 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 706 transitions. [2020-10-11 16:38:38,210 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-11 16:38:38,210 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 706 transitions. [2020-10-11 16:38:38,211 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 4 states. [2020-10-11 16:38:38,213 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 4 states. [2020-10-11 16:38:38,213 INFO L81 ComplementDD]: Finished complementDD. Result 4 states. [2020-10-11 16:38:38,213 INFO L185 Difference]: Start difference. First operand has 219 places, 220 transitions, 470 flow. Second operand 3 states and 706 transitions. [2020-10-11 16:38:38,213 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 221 places, 221 transitions, 484 flow [2020-10-11 16:38:38,215 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 218 places, 221 transitions, 474 flow, removed 0 selfloop flow, removed 3 redundant places. [2020-10-11 16:38:38,219 INFO L241 Difference]: Finished difference. Result has 219 places, 221 transitions, 475 flow [2020-10-11 16:38:38,220 INFO L325 CegarLoopForPetriNet]: {PETRI_ALPHABET=244, PETRI_DIFFERENCE_MINUEND_FLOW=460, PETRI_DIFFERENCE_MINUEND_PLACES=216, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=220, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=217, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=475, PETRI_PLACES=219, PETRI_TRANSITIONS=221} [2020-10-11 16:38:38,221 INFO L341 CegarLoopForPetriNet]: 223 programPoint places, -4 predicate places. [2020-10-11 16:38:38,221 INFO L481 AbstractCegarLoop]: Abstraction has has 219 places, 221 transitions, 475 flow [2020-10-11 16:38:38,221 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-11 16:38:38,221 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-11 16:38:38,221 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-11 16:38:38,222 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-11 16:38:38,222 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]=== [2020-10-11 16:38:38,222 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 16:38:38,222 INFO L82 PathProgramCache]: Analyzing trace with hash -1839750110, now seen corresponding path program 1 times [2020-10-11 16:38:38,223 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 16:38:38,223 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1736033964] [2020-10-11 16:38:38,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 16:38:38,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 16:38:38,303 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-11 16:38:38,304 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1736033964] [2020-10-11 16:38:38,304 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-11 16:38:38,304 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-11 16:38:38,304 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [899142901] [2020-10-11 16:38:38,305 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-11 16:38:38,305 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 16:38:38,305 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-11 16:38:38,306 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-11 16:38:38,378 INFO L506 CegarLoopForPetriNet]: Number of universal loopers: 229 out of 244 [2020-10-11 16:38:38,379 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 219 places, 221 transitions, 475 flow. Second operand 4 states. [2020-10-11 16:38:38,379 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-11 16:38:38,379 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 229 of 244 [2020-10-11 16:38:38,380 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-11 16:38:38,525 INFO L129 PetriNetUnfolder]: 38/784 cut-off events. [2020-10-11 16:38:38,526 INFO L130 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2020-10-11 16:38:38,531 INFO L80 FinitePrefix]: Finished finitePrefix Result has 851 conditions, 784 events. 38/784 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 2754 event pairs, 0 based on Foata normal form. 0/739 useless extension candidates. Maximal degree in co-relation 845. Up to 24 conditions per place. [2020-10-11 16:38:38,535 INFO L132 encePairwiseOnDemand]: 239/244 looper letters, 7 selfloop transitions, 5 changer transitions 0/224 dead transitions. [2020-10-11 16:38:38,536 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 223 places, 224 transitions, 505 flow [2020-10-11 16:38:38,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-11 16:38:38,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-10-11 16:38:38,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1158 transitions. [2020-10-11 16:38:38,541 INFO L551 CegarLoopForPetriNet]: DFA transition density 0.9491803278688524 [2020-10-11 16:38:38,541 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1158 transitions. [2020-10-11 16:38:38,541 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1158 transitions. [2020-10-11 16:38:38,542 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-11 16:38:38,542 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1158 transitions. [2020-10-11 16:38:38,544 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 6 states. [2020-10-11 16:38:38,547 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 6 states. [2020-10-11 16:38:38,547 INFO L81 ComplementDD]: Finished complementDD. Result 6 states. [2020-10-11 16:38:38,547 INFO L185 Difference]: Start difference. First operand has 219 places, 221 transitions, 475 flow. Second operand 5 states and 1158 transitions. [2020-10-11 16:38:38,547 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 223 places, 224 transitions, 505 flow [2020-10-11 16:38:38,550 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 222 places, 224 transitions, 502 flow, removed 0 selfloop flow, removed 1 redundant places. [2020-10-11 16:38:38,553 INFO L241 Difference]: Finished difference. Result has 225 places, 224 transitions, 502 flow [2020-10-11 16:38:38,554 INFO L325 CegarLoopForPetriNet]: {PETRI_ALPHABET=244, PETRI_DIFFERENCE_MINUEND_FLOW=472, PETRI_DIFFERENCE_MINUEND_PLACES=218, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=221, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=217, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=502, PETRI_PLACES=225, PETRI_TRANSITIONS=224} [2020-10-11 16:38:38,554 INFO L341 CegarLoopForPetriNet]: 223 programPoint places, 2 predicate places. [2020-10-11 16:38:38,554 INFO L481 AbstractCegarLoop]: Abstraction has has 225 places, 224 transitions, 502 flow [2020-10-11 16:38:38,554 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-11 16:38:38,555 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-11 16:38:38,555 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-11 16:38:38,555 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-11 16:38:38,555 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]=== [2020-10-11 16:38:38,556 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 16:38:38,556 INFO L82 PathProgramCache]: Analyzing trace with hash -1853607696, now seen corresponding path program 1 times [2020-10-11 16:38:38,556 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 16:38:38,557 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [818237520] [2020-10-11 16:38:38,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 16:38:38,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 16:38:38,981 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-11 16:38:38,981 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [818237520] [2020-10-11 16:38:38,982 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-11 16:38:38,982 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-10-11 16:38:38,982 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [724637243] [2020-10-11 16:38:38,983 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-11 16:38:38,983 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 16:38:38,983 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-11 16:38:38,983 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=145, Unknown=0, NotChecked=0, Total=182 [2020-10-11 16:38:50,701 INFO L506 CegarLoopForPetriNet]: Number of universal loopers: 188 out of 244 [2020-10-11 16:38:50,704 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 225 places, 224 transitions, 502 flow. Second operand 14 states. [2020-10-11 16:38:50,704 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-11 16:38:50,704 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 188 of 244 [2020-10-11 16:38:50,704 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-11 16:38:51,739 INFO L129 PetriNetUnfolder]: 200/1144 cut-off events. [2020-10-11 16:38:51,740 INFO L130 PetriNetUnfolder]: For 72/72 co-relation queries the response was YES. [2020-10-11 16:38:51,748 INFO L80 FinitePrefix]: Finished finitePrefix Result has 1708 conditions, 1144 events. 200/1144 cut-off events. For 72/72 co-relation queries the response was YES. Maximal size of possible extension queue 44. Compared 5529 event pairs, 84 based on Foata normal form. 2/1102 useless extension candidates. Maximal degree in co-relation 1700. Up to 398 conditions per place. [2020-10-11 16:38:51,755 INFO L132 encePairwiseOnDemand]: 228/244 looper letters, 43 selfloop transitions, 22 changer transitions 0/240 dead transitions. [2020-10-11 16:38:51,755 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 238 places, 240 transitions, 679 flow [2020-10-11 16:38:51,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-11 16:38:51,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2020-10-11 16:38:51,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 2697 transitions. [2020-10-11 16:38:51,763 INFO L551 CegarLoopForPetriNet]: DFA transition density 0.789519906323185 [2020-10-11 16:38:51,763 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 2697 transitions. [2020-10-11 16:38:51,764 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 2697 transitions. [2020-10-11 16:38:51,766 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-11 16:38:51,766 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 2697 transitions. [2020-10-11 16:38:51,771 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 15 states. [2020-10-11 16:38:51,776 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 15 states. [2020-10-11 16:38:51,776 INFO L81 ComplementDD]: Finished complementDD. Result 15 states. [2020-10-11 16:38:51,777 INFO L185 Difference]: Start difference. First operand has 225 places, 224 transitions, 502 flow. Second operand 14 states and 2697 transitions. [2020-10-11 16:38:51,777 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 238 places, 240 transitions, 679 flow [2020-10-11 16:38:51,779 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 238 places, 240 transitions, 679 flow, removed 0 selfloop flow, removed 0 redundant places. [2020-10-11 16:38:51,783 INFO L241 Difference]: Finished difference. Result has 244 places, 238 transitions, 634 flow [2020-10-11 16:38:51,784 INFO L325 CegarLoopForPetriNet]: {PETRI_ALPHABET=244, PETRI_DIFFERENCE_MINUEND_FLOW=502, PETRI_DIFFERENCE_MINUEND_PLACES=225, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=224, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=208, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=634, PETRI_PLACES=244, PETRI_TRANSITIONS=238} [2020-10-11 16:38:51,784 INFO L341 CegarLoopForPetriNet]: 223 programPoint places, 21 predicate places. [2020-10-11 16:38:51,784 INFO L481 AbstractCegarLoop]: Abstraction has has 244 places, 238 transitions, 634 flow [2020-10-11 16:38:51,785 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-11 16:38:51,785 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-11 16:38:51,785 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-11 16:38:51,785 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-11 16:38:51,785 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]=== [2020-10-11 16:38:51,786 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 16:38:51,786 INFO L82 PathProgramCache]: Analyzing trace with hash -1195583554, now seen corresponding path program 1 times [2020-10-11 16:38:51,786 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 16:38:51,786 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2051563532] [2020-10-11 16:38:51,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 16:38:51,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 16:38:52,308 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-11 16:38:52,309 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2051563532] [2020-10-11 16:38:52,309 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-11 16:38:52,309 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2020-10-11 16:38:52,309 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [535154160] [2020-10-11 16:38:52,310 INFO L461 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-10-11 16:38:52,310 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 16:38:52,310 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-10-11 16:38:52,311 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=223, Unknown=0, NotChecked=0, Total=272 [2020-10-11 16:39:05,672 INFO L506 CegarLoopForPetriNet]: Number of universal loopers: 184 out of 244 [2020-10-11 16:39:05,674 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 244 places, 238 transitions, 634 flow. Second operand 17 states. [2020-10-11 16:39:05,674 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-11 16:39:05,674 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 184 of 244 [2020-10-11 16:39:05,675 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-11 16:39:07,145 INFO L129 PetriNetUnfolder]: 227/1483 cut-off events. [2020-10-11 16:39:07,145 INFO L130 PetriNetUnfolder]: For 249/255 co-relation queries the response was YES. [2020-10-11 16:39:07,156 INFO L80 FinitePrefix]: Finished finitePrefix Result has 2269 conditions, 1483 events. 227/1483 cut-off events. For 249/255 co-relation queries the response was YES. Maximal size of possible extension queue 46. Compared 8014 event pairs, 78 based on Foata normal form. 6/1415 useless extension candidates. Maximal degree in co-relation 2254. Up to 385 conditions per place. [2020-10-11 16:39:07,162 INFO L132 encePairwiseOnDemand]: 217/244 looper letters, 48 selfloop transitions, 46 changer transitions 0/266 dead transitions. [2020-10-11 16:39:07,163 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 263 places, 266 transitions, 912 flow [2020-10-11 16:39:07,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-10-11 16:39:07,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2020-10-11 16:39:07,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 3767 transitions. [2020-10-11 16:39:07,173 INFO L551 CegarLoopForPetriNet]: DFA transition density 0.7719262295081967 [2020-10-11 16:39:07,173 INFO L72 ComplementDD]: Start complementDD. Operand 20 states and 3767 transitions. [2020-10-11 16:39:07,173 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 3767 transitions. [2020-10-11 16:39:07,176 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-11 16:39:07,176 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 20 states and 3767 transitions. [2020-10-11 16:39:07,183 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 21 states. [2020-10-11 16:39:07,190 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 21 states. [2020-10-11 16:39:07,190 INFO L81 ComplementDD]: Finished complementDD. Result 21 states. [2020-10-11 16:39:07,191 INFO L185 Difference]: Start difference. First operand has 244 places, 238 transitions, 634 flow. Second operand 20 states and 3767 transitions. [2020-10-11 16:39:07,191 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 263 places, 266 transitions, 912 flow [2020-10-11 16:39:07,197 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 257 places, 266 transitions, 899 flow, removed 1 selfloop flow, removed 6 redundant places. [2020-10-11 16:39:07,202 INFO L241 Difference]: Finished difference. Result has 264 places, 254 transitions, 842 flow [2020-10-11 16:39:07,203 INFO L325 CegarLoopForPetriNet]: {PETRI_ALPHABET=244, PETRI_DIFFERENCE_MINUEND_FLOW=621, PETRI_DIFFERENCE_MINUEND_PLACES=238, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=238, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=32, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=198, PETRI_DIFFERENCE_SUBTRAHEND_STATES=20, PETRI_FLOW=842, PETRI_PLACES=264, PETRI_TRANSITIONS=254} [2020-10-11 16:39:07,203 INFO L341 CegarLoopForPetriNet]: 223 programPoint places, 41 predicate places. [2020-10-11 16:39:07,203 INFO L481 AbstractCegarLoop]: Abstraction has has 264 places, 254 transitions, 842 flow [2020-10-11 16:39:07,203 INFO L482 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-10-11 16:39:07,204 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-11 16:39:07,204 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-11 16:39:07,204 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-11 16:39:07,204 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]=== [2020-10-11 16:39:07,204 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 16:39:07,205 INFO L82 PathProgramCache]: Analyzing trace with hash -473263902, now seen corresponding path program 2 times [2020-10-11 16:39:07,205 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 16:39:07,205 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1377540799] [2020-10-11 16:39:07,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 16:39:07,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 16:39:07,788 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-11 16:39:07,788 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1377540799] [2020-10-11 16:39:07,789 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-11 16:39:07,789 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2020-10-11 16:39:07,789 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [253343067] [2020-10-11 16:39:07,789 INFO L461 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-10-11 16:39:07,790 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 16:39:07,790 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-10-11 16:39:07,790 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=225, Unknown=0, NotChecked=0, Total=272 [2020-10-11 16:39:24,203 INFO L506 CegarLoopForPetriNet]: Number of universal loopers: 184 out of 244 [2020-10-11 16:39:24,205 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 264 places, 254 transitions, 842 flow. Second operand 17 states. [2020-10-11 16:39:24,206 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-11 16:39:24,206 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 184 of 244 [2020-10-11 16:39:24,206 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-11 16:39:25,657 INFO L129 PetriNetUnfolder]: 224/1441 cut-off events. [2020-10-11 16:39:25,657 INFO L130 PetriNetUnfolder]: For 509/511 co-relation queries the response was YES. [2020-10-11 16:39:25,672 INFO L80 FinitePrefix]: Finished finitePrefix Result has 2518 conditions, 1441 events. 224/1441 cut-off events. For 509/511 co-relation queries the response was YES. Maximal size of possible extension queue 46. Compared 7678 event pairs, 79 based on Foata normal form. 1/1387 useless extension candidates. Maximal degree in co-relation 2496. Up to 387 conditions per place. [2020-10-11 16:39:25,679 INFO L132 encePairwiseOnDemand]: 217/244 looper letters, 47 selfloop transitions, 51 changer transitions 0/270 dead transitions. [2020-10-11 16:39:25,680 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 282 places, 270 transitions, 1112 flow [2020-10-11 16:39:25,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-10-11 16:39:25,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2020-10-11 16:39:25,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 3578 transitions. [2020-10-11 16:39:25,690 INFO L551 CegarLoopForPetriNet]: DFA transition density 0.771786022433132 [2020-10-11 16:39:25,690 INFO L72 ComplementDD]: Start complementDD. Operand 19 states and 3578 transitions. [2020-10-11 16:39:25,690 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 3578 transitions. [2020-10-11 16:39:25,692 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-11 16:39:25,693 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 19 states and 3578 transitions. [2020-10-11 16:39:25,698 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 20 states. [2020-10-11 16:39:25,705 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 20 states. [2020-10-11 16:39:25,705 INFO L81 ComplementDD]: Finished complementDD. Result 20 states. [2020-10-11 16:39:25,705 INFO L185 Difference]: Start difference. First operand has 264 places, 254 transitions, 842 flow. Second operand 19 states and 3578 transitions. [2020-10-11 16:39:25,705 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 282 places, 270 transitions, 1112 flow [2020-10-11 16:39:25,711 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 273 places, 270 transitions, 1070 flow, removed 12 selfloop flow, removed 9 redundant places. [2020-10-11 16:39:25,716 INFO L241 Difference]: Finished difference. Result has 278 places, 260 transitions, 1001 flow [2020-10-11 16:39:25,717 INFO L325 CegarLoopForPetriNet]: {PETRI_ALPHABET=244, PETRI_DIFFERENCE_MINUEND_FLOW=804, PETRI_DIFFERENCE_MINUEND_PLACES=255, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=254, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=45, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=204, PETRI_DIFFERENCE_SUBTRAHEND_STATES=19, PETRI_FLOW=1001, PETRI_PLACES=278, PETRI_TRANSITIONS=260} [2020-10-11 16:39:25,717 INFO L341 CegarLoopForPetriNet]: 223 programPoint places, 55 predicate places. [2020-10-11 16:39:25,717 INFO L481 AbstractCegarLoop]: Abstraction has has 278 places, 260 transitions, 1001 flow [2020-10-11 16:39:25,717 INFO L482 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-10-11 16:39:25,718 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-11 16:39:25,718 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-11 16:39:25,718 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-11 16:39:25,718 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]=== [2020-10-11 16:39:25,718 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 16:39:25,719 INFO L82 PathProgramCache]: Analyzing trace with hash -1395644610, now seen corresponding path program 3 times [2020-10-11 16:39:25,719 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 16:39:25,719 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1163454972] [2020-10-11 16:39:25,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 16:39:25,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 16:39:26,125 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-11 16:39:26,125 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1163454972] [2020-10-11 16:39:26,126 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-11 16:39:26,126 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2020-10-11 16:39:26,126 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [911060161] [2020-10-11 16:39:26,126 INFO L461 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-10-11 16:39:26,126 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 16:39:26,127 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-10-11 16:39:26,127 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=225, Unknown=0, NotChecked=0, Total=272 [2020-10-11 16:39:43,663 INFO L506 CegarLoopForPetriNet]: Number of universal loopers: 184 out of 244 [2020-10-11 16:39:43,665 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 278 places, 260 transitions, 1001 flow. Second operand 17 states. [2020-10-11 16:39:43,665 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-11 16:39:43,665 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 184 of 244 [2020-10-11 16:39:43,666 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-11 16:39:45,043 INFO L129 PetriNetUnfolder]: 224/1448 cut-off events. [2020-10-11 16:39:45,043 INFO L130 PetriNetUnfolder]: For 789/795 co-relation queries the response was YES. [2020-10-11 16:39:45,054 INFO L80 FinitePrefix]: Finished finitePrefix Result has 2671 conditions, 1448 events. 224/1448 cut-off events. For 789/795 co-relation queries the response was YES. Maximal size of possible extension queue 46. Compared 7849 event pairs, 81 based on Foata normal form. 2/1393 useless extension candidates. Maximal degree in co-relation 2646. Up to 379 conditions per place. [2020-10-11 16:39:45,060 INFO L132 encePairwiseOnDemand]: 221/244 looper letters, 43 selfloop transitions, 47 changer transitions 0/262 dead transitions. [2020-10-11 16:39:45,060 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 292 places, 262 transitions, 1177 flow [2020-10-11 16:39:45,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-10-11 16:39:45,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2020-10-11 16:39:45,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 3192 transitions. [2020-10-11 16:39:45,071 INFO L551 CegarLoopForPetriNet]: DFA transition density 0.7695274831243973 [2020-10-11 16:39:45,071 INFO L72 ComplementDD]: Start complementDD. Operand 17 states and 3192 transitions. [2020-10-11 16:39:45,071 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 3192 transitions. [2020-10-11 16:39:45,074 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-11 16:39:45,074 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 17 states and 3192 transitions. [2020-10-11 16:39:45,080 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 18 states. [2020-10-11 16:39:45,090 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 18 states. [2020-10-11 16:39:45,091 INFO L81 ComplementDD]: Finished complementDD. Result 18 states. [2020-10-11 16:39:45,091 INFO L185 Difference]: Start difference. First operand has 278 places, 260 transitions, 1001 flow. Second operand 17 states and 3192 transitions. [2020-10-11 16:39:45,091 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 292 places, 262 transitions, 1177 flow [2020-10-11 16:39:45,101 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 278 places, 262 transitions, 1117 flow, removed 3 selfloop flow, removed 14 redundant places. [2020-10-11 16:39:45,108 INFO L241 Difference]: Finished difference. Result has 278 places, 256 transitions, 1007 flow [2020-10-11 16:39:45,108 INFO L325 CegarLoopForPetriNet]: {PETRI_ALPHABET=244, PETRI_DIFFERENCE_MINUEND_FLOW=913, PETRI_DIFFERENCE_MINUEND_PLACES=262, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=256, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=47, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=209, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=1007, PETRI_PLACES=278, PETRI_TRANSITIONS=256} [2020-10-11 16:39:45,109 INFO L341 CegarLoopForPetriNet]: 223 programPoint places, 55 predicate places. [2020-10-11 16:39:45,109 INFO L481 AbstractCegarLoop]: Abstraction has has 278 places, 256 transitions, 1007 flow [2020-10-11 16:39:45,109 INFO L482 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-10-11 16:39:45,109 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-11 16:39:45,109 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-11 16:39:45,110 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-11 16:39:45,110 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]=== [2020-10-11 16:39:45,110 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 16:39:45,110 INFO L82 PathProgramCache]: Analyzing trace with hash -2041693994, now seen corresponding path program 1 times [2020-10-11 16:39:45,111 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 16:39:45,111 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [646713605] [2020-10-11 16:39:45,111 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 16:39:45,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 16:39:46,261 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-11 16:39:46,261 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [646713605] [2020-10-11 16:39:46,261 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-11 16:39:46,261 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2020-10-11 16:39:46,262 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1712295557] [2020-10-11 16:39:46,262 INFO L461 AbstractCegarLoop]: Interpolant automaton has 26 states [2020-10-11 16:39:46,262 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 16:39:46,262 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2020-10-11 16:39:46,263 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=578, Unknown=0, NotChecked=0, Total=650 [2020-10-11 16:40:25,043 INFO L506 CegarLoopForPetriNet]: Number of universal loopers: 166 out of 244 [2020-10-11 16:40:25,046 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 278 places, 256 transitions, 1007 flow. Second operand 26 states. [2020-10-11 16:40:25,046 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-11 16:40:25,046 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 166 of 244 [2020-10-11 16:40:25,046 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-11 16:40:28,036 INFO L129 PetriNetUnfolder]: 187/1285 cut-off events. [2020-10-11 16:40:28,036 INFO L130 PetriNetUnfolder]: For 801/803 co-relation queries the response was YES. [2020-10-11 16:40:28,043 INFO L80 FinitePrefix]: Finished finitePrefix Result has 2423 conditions, 1285 events. 187/1285 cut-off events. For 801/803 co-relation queries the response was YES. Maximal size of possible extension queue 42. Compared 6592 event pairs, 74 based on Foata normal form. 2/1237 useless extension candidates. Maximal degree in co-relation 2401. Up to 390 conditions per place. [2020-10-11 16:40:28,048 INFO L132 encePairwiseOnDemand]: 214/244 looper letters, 76 selfloop transitions, 45 changer transitions 0/286 dead transitions. [2020-10-11 16:40:28,048 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 303 places, 286 transitions, 1353 flow [2020-10-11 16:40:28,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2020-10-11 16:40:28,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2020-10-11 16:40:28,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 4423 transitions. [2020-10-11 16:40:28,061 INFO L551 CegarLoopForPetriNet]: DFA transition density 0.6971941992433796 [2020-10-11 16:40:28,061 INFO L72 ComplementDD]: Start complementDD. Operand 26 states and 4423 transitions. [2020-10-11 16:40:28,061 INFO L73 IsDeterministic]: Start isDeterministic. Operand 26 states and 4423 transitions. [2020-10-11 16:40:28,064 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-11 16:40:28,064 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 26 states and 4423 transitions. [2020-10-11 16:40:28,072 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 27 states. [2020-10-11 16:40:28,082 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 27 states. [2020-10-11 16:40:28,082 INFO L81 ComplementDD]: Finished complementDD. Result 27 states. [2020-10-11 16:40:28,083 INFO L185 Difference]: Start difference. First operand has 278 places, 256 transitions, 1007 flow. Second operand 26 states and 4423 transitions. [2020-10-11 16:40:28,083 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 303 places, 286 transitions, 1353 flow [2020-10-11 16:40:28,088 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 288 places, 286 transitions, 1263 flow, removed 0 selfloop flow, removed 15 redundant places. [2020-10-11 16:40:28,095 INFO L241 Difference]: Finished difference. Result has 299 places, 276 transitions, 1171 flow [2020-10-11 16:40:28,096 INFO L325 CegarLoopForPetriNet]: {PETRI_ALPHABET=244, PETRI_DIFFERENCE_MINUEND_FLOW=917, PETRI_DIFFERENCE_MINUEND_PLACES=263, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=256, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=26, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=220, PETRI_DIFFERENCE_SUBTRAHEND_STATES=26, PETRI_FLOW=1171, PETRI_PLACES=299, PETRI_TRANSITIONS=276} [2020-10-11 16:40:28,097 INFO L341 CegarLoopForPetriNet]: 223 programPoint places, 76 predicate places. [2020-10-11 16:40:28,097 INFO L481 AbstractCegarLoop]: Abstraction has has 299 places, 276 transitions, 1171 flow [2020-10-11 16:40:28,097 INFO L482 AbstractCegarLoop]: Interpolant automaton has 26 states. [2020-10-11 16:40:28,097 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-11 16:40:28,097 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-11 16:40:28,098 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-11 16:40:28,098 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]=== [2020-10-11 16:40:28,098 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 16:40:28,098 INFO L82 PathProgramCache]: Analyzing trace with hash 1804315044, now seen corresponding path program 1 times [2020-10-11 16:40:28,098 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 16:40:28,099 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [833132351] [2020-10-11 16:40:28,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 16:40:28,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 16:40:29,664 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-11 16:40:29,664 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [833132351] [2020-10-11 16:40:29,664 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-11 16:40:29,664 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2020-10-11 16:40:29,665 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1226011095] [2020-10-11 16:40:29,665 INFO L461 AbstractCegarLoop]: Interpolant automaton has 28 states [2020-10-11 16:40:29,665 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 16:40:29,665 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2020-10-11 16:40:29,666 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=677, Unknown=0, NotChecked=0, Total=756 [2020-10-11 16:41:35,407 INFO L506 CegarLoopForPetriNet]: Number of universal loopers: 164 out of 244 [2020-10-11 16:41:35,410 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 299 places, 276 transitions, 1171 flow. Second operand 28 states. [2020-10-11 16:41:35,410 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-11 16:41:35,411 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 164 of 244 [2020-10-11 16:41:35,411 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-11 16:41:36,292 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 50 [2020-10-11 16:41:36,462 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 52 [2020-10-11 16:41:36,840 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 46 [2020-10-11 16:41:37,016 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 51 [2020-10-11 16:41:37,248 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 51 [2020-10-11 16:41:37,441 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 53 [2020-10-11 16:41:37,585 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 50 [2020-10-11 16:41:38,395 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 59 [2020-10-11 16:41:38,987 INFO L129 PetriNetUnfolder]: 193/1420 cut-off events. [2020-10-11 16:41:38,987 INFO L130 PetriNetUnfolder]: For 893/896 co-relation queries the response was YES. [2020-10-11 16:41:38,998 INFO L80 FinitePrefix]: Finished finitePrefix Result has 2661 conditions, 1420 events. 193/1420 cut-off events. For 893/896 co-relation queries the response was YES. Maximal size of possible extension queue 42. Compared 7566 event pairs, 76 based on Foata normal form. 2/1365 useless extension candidates. Maximal degree in co-relation 2628. Up to 313 conditions per place. [2020-10-11 16:41:39,005 INFO L132 encePairwiseOnDemand]: 213/244 looper letters, 72 selfloop transitions, 58 changer transitions 0/294 dead transitions. [2020-10-11 16:41:39,005 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 325 places, 294 transitions, 1487 flow [2020-10-11 16:41:39,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2020-10-11 16:41:39,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2020-10-11 16:41:39,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 4526 transitions. [2020-10-11 16:41:39,012 INFO L551 CegarLoopForPetriNet]: DFA transition density 0.6870066788099575 [2020-10-11 16:41:39,013 INFO L72 ComplementDD]: Start complementDD. Operand 27 states and 4526 transitions. [2020-10-11 16:41:39,013 INFO L73 IsDeterministic]: Start isDeterministic. Operand 27 states and 4526 transitions. [2020-10-11 16:41:39,046 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-11 16:41:39,046 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 27 states and 4526 transitions. [2020-10-11 16:41:39,052 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 28 states. [2020-10-11 16:41:39,058 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 28 states. [2020-10-11 16:41:39,058 INFO L81 ComplementDD]: Finished complementDD. Result 28 states. [2020-10-11 16:41:39,059 INFO L185 Difference]: Start difference. First operand has 299 places, 276 transitions, 1171 flow. Second operand 27 states and 4526 transitions. [2020-10-11 16:41:39,059 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 325 places, 294 transitions, 1487 flow [2020-10-11 16:41:39,066 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 312 places, 294 transitions, 1426 flow, removed 14 selfloop flow, removed 13 redundant places. [2020-10-11 16:41:39,074 INFO L241 Difference]: Finished difference. Result has 317 places, 283 transitions, 1304 flow [2020-10-11 16:41:39,075 INFO L325 CegarLoopForPetriNet]: {PETRI_ALPHABET=244, PETRI_DIFFERENCE_MINUEND_FLOW=1110, PETRI_DIFFERENCE_MINUEND_PLACES=286, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=276, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=52, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=220, PETRI_DIFFERENCE_SUBTRAHEND_STATES=27, PETRI_FLOW=1304, PETRI_PLACES=317, PETRI_TRANSITIONS=283} [2020-10-11 16:41:39,075 INFO L341 CegarLoopForPetriNet]: 223 programPoint places, 94 predicate places. [2020-10-11 16:41:39,075 INFO L481 AbstractCegarLoop]: Abstraction has has 317 places, 283 transitions, 1304 flow [2020-10-11 16:41:39,075 INFO L482 AbstractCegarLoop]: Interpolant automaton has 28 states. [2020-10-11 16:41:39,075 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-11 16:41:39,075 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-11 16:41:39,076 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-11 16:41:39,076 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]=== [2020-10-11 16:41:39,076 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 16:41:39,076 INFO L82 PathProgramCache]: Analyzing trace with hash -960932058, now seen corresponding path program 2 times [2020-10-11 16:41:39,076 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 16:41:39,076 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1027556524] [2020-10-11 16:41:39,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 16:41:39,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 16:41:40,788 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-11 16:41:40,789 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1027556524] [2020-10-11 16:41:40,789 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-11 16:41:40,789 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2020-10-11 16:41:40,789 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1724767286] [2020-10-11 16:41:40,789 INFO L461 AbstractCegarLoop]: Interpolant automaton has 28 states [2020-10-11 16:41:40,790 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 16:41:40,790 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2020-10-11 16:41:40,790 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=678, Unknown=0, NotChecked=0, Total=756 [2020-10-11 16:43:00,544 INFO L506 CegarLoopForPetriNet]: Number of universal loopers: 164 out of 244 [2020-10-11 16:43:00,546 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 317 places, 283 transitions, 1304 flow. Second operand 28 states. [2020-10-11 16:43:00,546 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-11 16:43:00,546 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 164 of 244 [2020-10-11 16:43:00,546 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-11 16:43:01,387 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 43 [2020-10-11 16:43:01,558 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 48 [2020-10-11 16:43:01,743 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 50 [2020-10-11 16:43:01,933 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 52 [2020-10-11 16:43:02,125 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 46 [2020-10-11 16:43:02,463 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 40 [2020-10-11 16:43:02,680 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 49 [2020-10-11 16:43:02,907 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 51 [2020-10-11 16:43:03,211 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 51 [2020-10-11 16:43:03,437 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 53 [2020-10-11 16:43:03,646 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 50 [2020-10-11 16:43:03,801 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 48 [2020-10-11 16:43:04,321 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 56 [2020-10-11 16:43:04,499 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 59 [2020-10-11 16:43:04,716 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 62 [2020-10-11 16:43:05,357 INFO L129 PetriNetUnfolder]: 194/1459 cut-off events. [2020-10-11 16:43:05,357 INFO L130 PetriNetUnfolder]: For 944/946 co-relation queries the response was YES. [2020-10-11 16:43:05,369 INFO L80 FinitePrefix]: Finished finitePrefix Result has 2801 conditions, 1459 events. 194/1459 cut-off events. For 944/946 co-relation queries the response was YES. Maximal size of possible extension queue 42. Compared 7925 event pairs, 76 based on Foata normal form. 1/1403 useless extension candidates. Maximal degree in co-relation 2763. Up to 316 conditions per place. [2020-10-11 16:43:05,375 INFO L132 encePairwiseOnDemand]: 212/244 looper letters, 71 selfloop transitions, 63 changer transitions 0/298 dead transitions. [2020-10-11 16:43:05,376 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 345 places, 298 transitions, 1631 flow [2020-10-11 16:43:05,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-10-11 16:43:05,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2020-10-11 16:43:05,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 4852 transitions. [2020-10-11 16:43:05,384 INFO L551 CegarLoopForPetriNet]: DFA transition density 0.6856981345392877 [2020-10-11 16:43:05,384 INFO L72 ComplementDD]: Start complementDD. Operand 29 states and 4852 transitions. [2020-10-11 16:43:05,384 INFO L73 IsDeterministic]: Start isDeterministic. Operand 29 states and 4852 transitions. [2020-10-11 16:43:05,386 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-11 16:43:05,386 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 29 states and 4852 transitions. [2020-10-11 16:43:05,391 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 30 states. [2020-10-11 16:43:05,398 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 30 states. [2020-10-11 16:43:05,398 INFO L81 ComplementDD]: Finished complementDD. Result 30 states. [2020-10-11 16:43:05,398 INFO L185 Difference]: Start difference. First operand has 317 places, 283 transitions, 1304 flow. Second operand 29 states and 4852 transitions. [2020-10-11 16:43:05,399 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 345 places, 298 transitions, 1631 flow [2020-10-11 16:43:05,406 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 325 places, 298 transitions, 1542 flow, removed 5 selfloop flow, removed 20 redundant places. [2020-10-11 16:43:05,412 INFO L241 Difference]: Finished difference. Result has 329 places, 288 transitions, 1423 flow [2020-10-11 16:43:05,413 INFO L325 CegarLoopForPetriNet]: {PETRI_ALPHABET=244, PETRI_DIFFERENCE_MINUEND_FLOW=1217, PETRI_DIFFERENCE_MINUEND_PLACES=297, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=283, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=58, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=222, PETRI_DIFFERENCE_SUBTRAHEND_STATES=29, PETRI_FLOW=1423, PETRI_PLACES=329, PETRI_TRANSITIONS=288} [2020-10-11 16:43:05,413 INFO L341 CegarLoopForPetriNet]: 223 programPoint places, 106 predicate places. [2020-10-11 16:43:05,413 INFO L481 AbstractCegarLoop]: Abstraction has has 329 places, 288 transitions, 1423 flow [2020-10-11 16:43:05,413 INFO L482 AbstractCegarLoop]: Interpolant automaton has 28 states. [2020-10-11 16:43:05,413 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-11 16:43:05,414 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-11 16:43:05,414 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-11 16:43:05,414 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]=== [2020-10-11 16:43:05,414 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 16:43:05,414 INFO L82 PathProgramCache]: Analyzing trace with hash 36349640, now seen corresponding path program 3 times [2020-10-11 16:43:05,415 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 16:43:05,415 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1493101444] [2020-10-11 16:43:05,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 16:43:05,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 16:43:06,353 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 26 [2020-10-11 16:43:06,547 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 31 [2020-10-11 16:43:07,913 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-11 16:43:07,913 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1493101444] [2020-10-11 16:43:07,913 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-11 16:43:07,914 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2020-10-11 16:43:07,914 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1531863932] [2020-10-11 16:43:07,914 INFO L461 AbstractCegarLoop]: Interpolant automaton has 28 states [2020-10-11 16:43:07,914 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 16:43:07,915 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2020-10-11 16:43:07,915 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=679, Unknown=0, NotChecked=0, Total=756 [2020-10-11 16:44:29,250 INFO L506 CegarLoopForPetriNet]: Number of universal loopers: 164 out of 244 [2020-10-11 16:44:29,252 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 329 places, 288 transitions, 1423 flow. Second operand 28 states. [2020-10-11 16:44:29,252 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-11 16:44:29,253 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 164 of 244 [2020-10-11 16:44:29,253 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-11 16:44:30,208 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 38 [2020-10-11 16:44:30,413 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 43 [2020-10-11 16:44:30,616 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 48 [2020-10-11 16:44:30,844 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 50 [2020-10-11 16:44:31,076 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 52 [2020-10-11 16:44:31,268 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 46 [2020-10-11 16:44:31,711 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 40 [2020-10-11 16:44:31,962 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 46 [2020-10-11 16:44:32,211 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 51 [2020-10-11 16:44:32,574 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 51 [2020-10-11 16:44:32,811 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 53 [2020-10-11 16:44:33,069 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 48 [2020-10-11 16:44:33,242 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 49 [2020-10-11 16:44:33,614 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 46 [2020-10-11 16:44:33,859 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 58 [2020-10-11 16:44:34,088 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 61 [2020-10-11 16:44:34,340 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 64 [2020-10-11 16:44:34,802 INFO L129 PetriNetUnfolder]: 135/1108 cut-off events. [2020-10-11 16:44:34,802 INFO L130 PetriNetUnfolder]: For 947/950 co-relation queries the response was YES. [2020-10-11 16:44:34,808 INFO L80 FinitePrefix]: Finished finitePrefix Result has 2224 conditions, 1108 events. 135/1108 cut-off events. For 947/950 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 5219 event pairs, 46 based on Foata normal form. 2/1067 useless extension candidates. Maximal degree in co-relation 2183. Up to 185 conditions per place. [2020-10-11 16:44:34,812 INFO L132 encePairwiseOnDemand]: 214/244 looper letters, 64 selfloop transitions, 61 changer transitions 0/281 dead transitions. [2020-10-11 16:44:34,812 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 348 places, 281 transitions, 1643 flow [2020-10-11 16:44:34,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2020-10-11 16:44:34,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2020-10-11 16:44:34,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 4674 transitions. [2020-10-11 16:44:34,820 INFO L551 CegarLoopForPetriNet]: DFA transition density 0.6841334894613583 [2020-10-11 16:44:34,820 INFO L72 ComplementDD]: Start complementDD. Operand 28 states and 4674 transitions. [2020-10-11 16:44:34,820 INFO L73 IsDeterministic]: Start isDeterministic. Operand 28 states and 4674 transitions. [2020-10-11 16:44:34,822 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-11 16:44:34,822 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 28 states and 4674 transitions. [2020-10-11 16:44:34,828 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 29 states. [2020-10-11 16:44:34,834 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 29 states. [2020-10-11 16:44:34,835 INFO L81 ComplementDD]: Finished complementDD. Result 29 states. [2020-10-11 16:44:34,835 INFO L185 Difference]: Start difference. First operand has 329 places, 288 transitions, 1423 flow. Second operand 28 states and 4674 transitions. [2020-10-11 16:44:34,835 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 348 places, 281 transitions, 1643 flow [2020-10-11 16:44:34,843 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 316 places, 281 transitions, 1520 flow, removed 3 selfloop flow, removed 32 redundant places. [2020-10-11 16:44:34,848 INFO L241 Difference]: Finished difference. Result has 316 places, 277 transitions, 1384 flow [2020-10-11 16:44:34,849 INFO L325 CegarLoopForPetriNet]: {PETRI_ALPHABET=244, PETRI_DIFFERENCE_MINUEND_FLOW=1262, PETRI_DIFFERENCE_MINUEND_PLACES=289, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=277, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=61, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=216, PETRI_DIFFERENCE_SUBTRAHEND_STATES=28, PETRI_FLOW=1384, PETRI_PLACES=316, PETRI_TRANSITIONS=277} [2020-10-11 16:44:34,850 INFO L341 CegarLoopForPetriNet]: 223 programPoint places, 93 predicate places. [2020-10-11 16:44:34,850 INFO L481 AbstractCegarLoop]: Abstraction has has 316 places, 277 transitions, 1384 flow [2020-10-11 16:44:34,850 INFO L482 AbstractCegarLoop]: Interpolant automaton has 28 states. [2020-10-11 16:44:34,850 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-11 16:44:34,850 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-11 16:44:34,851 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-11 16:44:34,851 INFO L429 AbstractCegarLoop]: === Iteration 14 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-11 16:44:34,851 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 16:44:34,851 INFO L82 PathProgramCache]: Analyzing trace with hash 755498284, now seen corresponding path program 1 times [2020-10-11 16:44:34,852 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 16:44:34,852 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1337221615] [2020-10-11 16:44:34,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 16:44:34,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 16:44:34,943 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-11 16:44:34,944 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1337221615] [2020-10-11 16:44:34,944 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-11 16:44:34,944 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-11 16:44:34,944 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [780133389] [2020-10-11 16:44:34,945 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-11 16:44:34,945 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 16:44:34,945 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-11 16:44:34,945 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-11 16:44:35,081 INFO L506 CegarLoopForPetriNet]: Number of universal loopers: 230 out of 244 [2020-10-11 16:44:35,081 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 316 places, 277 transitions, 1384 flow. Second operand 3 states. [2020-10-11 16:44:35,082 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-11 16:44:35,082 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 230 of 244 [2020-10-11 16:44:35,082 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-11 16:44:35,260 INFO L129 PetriNetUnfolder]: 50/933 cut-off events. [2020-10-11 16:44:35,260 INFO L130 PetriNetUnfolder]: For 614/620 co-relation queries the response was YES. [2020-10-11 16:44:35,264 INFO L80 FinitePrefix]: Finished finitePrefix Result has 1641 conditions, 933 events. 50/933 cut-off events. For 614/620 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 4198 event pairs, 5 based on Foata normal form. 29/927 useless extension candidates. Maximal degree in co-relation 1606. Up to 26 conditions per place. [2020-10-11 16:44:35,267 INFO L132 encePairwiseOnDemand]: 238/244 looper letters, 2 selfloop transitions, 6 changer transitions 0/275 dead transitions. [2020-10-11 16:44:35,267 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 318 places, 275 transitions, 1382 flow [2020-10-11 16:44:35,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-11 16:44:35,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-10-11 16:44:35,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 701 transitions. [2020-10-11 16:44:35,271 INFO L551 CegarLoopForPetriNet]: DFA transition density 0.9576502732240437 [2020-10-11 16:44:35,271 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 701 transitions. [2020-10-11 16:44:35,271 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 701 transitions. [2020-10-11 16:44:35,271 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-11 16:44:35,271 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 701 transitions. [2020-10-11 16:44:35,272 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 4 states. [2020-10-11 16:44:35,273 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 4 states. [2020-10-11 16:44:35,273 INFO L81 ComplementDD]: Finished complementDD. Result 4 states. [2020-10-11 16:44:35,273 INFO L185 Difference]: Start difference. First operand has 316 places, 277 transitions, 1384 flow. Second operand 3 states and 701 transitions. [2020-10-11 16:44:35,273 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 318 places, 275 transitions, 1382 flow [2020-10-11 16:44:35,281 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 292 places, 275 transitions, 1271 flow, removed 2 selfloop flow, removed 26 redundant places. [2020-10-11 16:44:35,285 INFO L241 Difference]: Finished difference. Result has 292 places, 275 transitions, 1267 flow [2020-10-11 16:44:35,286 INFO L325 CegarLoopForPetriNet]: {PETRI_ALPHABET=244, PETRI_DIFFERENCE_MINUEND_FLOW=1255, PETRI_DIFFERENCE_MINUEND_PLACES=290, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=275, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=269, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1267, PETRI_PLACES=292, PETRI_TRANSITIONS=275} [2020-10-11 16:44:35,286 INFO L341 CegarLoopForPetriNet]: 223 programPoint places, 69 predicate places. [2020-10-11 16:44:35,287 INFO L481 AbstractCegarLoop]: Abstraction has has 292 places, 275 transitions, 1267 flow [2020-10-11 16:44:35,287 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-11 16:44:35,287 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-11 16:44:35,287 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-11 16:44:35,287 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-11 16:44:35,288 INFO L429 AbstractCegarLoop]: === Iteration 15 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-11 16:44:35,288 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 16:44:35,288 INFO L82 PathProgramCache]: Analyzing trace with hash 1019012972, now seen corresponding path program 1 times [2020-10-11 16:44:35,288 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 16:44:35,289 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [714810556] [2020-10-11 16:44:35,289 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 16:44:35,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 16:44:37,171 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-11 16:44:37,171 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [714810556] [2020-10-11 16:44:37,172 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-11 16:44:37,172 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2020-10-11 16:44:37,172 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [230511602] [2020-10-11 16:44:37,172 INFO L461 AbstractCegarLoop]: Interpolant automaton has 26 states [2020-10-11 16:44:37,173 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 16:44:37,173 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2020-10-11 16:44:37,173 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=95, Invalid=555, Unknown=0, NotChecked=0, Total=650 [2020-10-11 16:45:50,074 INFO L506 CegarLoopForPetriNet]: Number of universal loopers: 174 out of 244 [2020-10-11 16:45:50,077 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 292 places, 275 transitions, 1267 flow. Second operand 26 states. [2020-10-11 16:45:50,077 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-11 16:45:50,077 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 174 of 244 [2020-10-11 16:45:50,078 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-11 16:45:51,072 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 38 [2020-10-11 16:45:51,321 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 37 [2020-10-11 16:45:51,541 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 42 [2020-10-11 16:45:51,747 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 44 [2020-10-11 16:45:52,034 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 46 [2020-10-11 16:45:52,274 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 44 [2020-10-11 16:45:52,512 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 46 [2020-10-11 16:45:52,747 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 52 [2020-10-11 16:45:52,945 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 50 [2020-10-11 16:45:53,149 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 51 [2020-10-11 16:45:53,505 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 37 [2020-10-11 16:45:53,737 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 44 [2020-10-11 16:45:53,987 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 53 [2020-10-11 16:45:54,237 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 57 [2020-10-11 16:45:54,522 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 57 [2020-10-11 16:45:55,162 INFO L129 PetriNetUnfolder]: 86/1002 cut-off events. [2020-10-11 16:45:55,163 INFO L130 PetriNetUnfolder]: For 871/879 co-relation queries the response was YES. [2020-10-11 16:45:55,166 INFO L80 FinitePrefix]: Finished finitePrefix Result has 2063 conditions, 1002 events. 86/1002 cut-off events. For 871/879 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 4486 event pairs, 8 based on Foata normal form. 5/968 useless extension candidates. Maximal degree in co-relation 2028. Up to 110 conditions per place. [2020-10-11 16:45:55,171 INFO L132 encePairwiseOnDemand]: 213/244 looper letters, 72 selfloop transitions, 58 changer transitions 0/295 dead transitions. [2020-10-11 16:45:55,171 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 318 places, 295 transitions, 1643 flow [2020-10-11 16:45:55,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2020-10-11 16:45:55,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2020-10-11 16:45:55,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 4786 transitions. [2020-10-11 16:45:55,178 INFO L551 CegarLoopForPetriNet]: DFA transition density 0.7264723740133576 [2020-10-11 16:45:55,178 INFO L72 ComplementDD]: Start complementDD. Operand 27 states and 4786 transitions. [2020-10-11 16:45:55,178 INFO L73 IsDeterministic]: Start isDeterministic. Operand 27 states and 4786 transitions. [2020-10-11 16:45:55,179 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-11 16:45:55,179 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 27 states and 4786 transitions. [2020-10-11 16:45:55,185 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 28 states. [2020-10-11 16:45:55,191 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 28 states. [2020-10-11 16:45:55,192 INFO L81 ComplementDD]: Finished complementDD. Result 28 states. [2020-10-11 16:45:55,192 INFO L185 Difference]: Start difference. First operand has 292 places, 275 transitions, 1267 flow. Second operand 27 states and 4786 transitions. [2020-10-11 16:45:55,192 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 318 places, 295 transitions, 1643 flow [2020-10-11 16:45:55,200 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 317 places, 295 transitions, 1637 flow, removed 0 selfloop flow, removed 1 redundant places. [2020-10-11 16:45:55,205 INFO L241 Difference]: Finished difference. Result has 323 places, 283 transitions, 1439 flow [2020-10-11 16:45:55,206 INFO L325 CegarLoopForPetriNet]: {PETRI_ALPHABET=244, PETRI_DIFFERENCE_MINUEND_FLOW=1261, PETRI_DIFFERENCE_MINUEND_PLACES=291, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=275, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=50, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=218, PETRI_DIFFERENCE_SUBTRAHEND_STATES=27, PETRI_FLOW=1439, PETRI_PLACES=323, PETRI_TRANSITIONS=283} [2020-10-11 16:45:55,207 INFO L341 CegarLoopForPetriNet]: 223 programPoint places, 100 predicate places. [2020-10-11 16:45:55,207 INFO L481 AbstractCegarLoop]: Abstraction has has 323 places, 283 transitions, 1439 flow [2020-10-11 16:45:55,207 INFO L482 AbstractCegarLoop]: Interpolant automaton has 26 states. [2020-10-11 16:45:55,207 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-11 16:45:55,207 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-11 16:45:55,207 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-11 16:45:55,208 INFO L429 AbstractCegarLoop]: === Iteration 16 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-11 16:45:55,208 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 16:45:55,208 INFO L82 PathProgramCache]: Analyzing trace with hash -283451439, now seen corresponding path program 1 times [2020-10-11 16:45:55,208 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 16:45:55,208 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [339508002] [2020-10-11 16:45:55,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 16:45:55,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 16:45:55,963 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 29 DAG size of output: 27 [2020-10-11 16:45:56,290 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 27 [2020-10-11 16:45:56,489 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 32 [2020-10-11 16:45:56,996 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 22 [2020-10-11 16:45:57,284 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 25 [2020-10-11 16:45:57,651 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 26 [2020-10-11 16:45:57,912 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 20 [2020-10-11 16:45:58,150 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 28 [2020-10-11 16:45:58,868 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 27 [2020-10-11 16:45:59,236 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 34 [2020-10-11 16:45:59,443 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 21 [2020-10-11 16:46:00,311 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-11 16:46:00,311 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [339508002] [2020-10-11 16:46:00,311 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-11 16:46:00,312 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [34] imperfect sequences [] total 34 [2020-10-11 16:46:00,312 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [133076710] [2020-10-11 16:46:00,312 INFO L461 AbstractCegarLoop]: Interpolant automaton has 34 states [2020-10-11 16:46:00,313 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 16:46:00,313 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2020-10-11 16:46:00,313 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=145, Invalid=977, Unknown=0, NotChecked=0, Total=1122 [2020-10-11 16:49:19,299 INFO L506 CegarLoopForPetriNet]: Number of universal loopers: 158 out of 244 [2020-10-11 16:49:19,302 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 323 places, 283 transitions, 1439 flow. Second operand 34 states. [2020-10-11 16:49:19,302 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-11 16:49:19,302 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 158 of 244 [2020-10-11 16:49:19,302 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-11 16:49:20,088 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 36 [2020-10-11 16:49:20,447 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 42 [2020-10-11 16:49:20,702 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 47 [2020-10-11 16:49:20,964 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 51 [2020-10-11 16:49:21,238 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 53 [2020-10-11 16:49:21,687 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 40 [2020-10-11 16:49:22,020 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 47 [2020-10-11 16:49:22,317 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 50 [2020-10-11 16:49:22,779 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 49 [2020-10-11 16:49:23,121 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 54 [2020-10-11 16:49:23,412 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 56 [2020-10-11 16:49:23,709 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 51 [2020-10-11 16:49:23,959 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 51 [2020-10-11 16:49:24,235 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 49 [2020-10-11 16:49:24,544 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 53 [2020-10-11 16:49:24,856 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 47 [2020-10-11 16:49:25,199 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 55 [2020-10-11 16:49:25,630 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 39 [2020-10-11 16:49:25,887 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 46 [2020-10-11 16:49:26,273 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 54 [2020-10-11 16:49:26,756 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 57 [2020-10-11 16:49:27,195 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 32 [2020-10-11 16:49:27,241 INFO L129 PetriNetUnfolder]: 188/1449 cut-off events. [2020-10-11 16:49:27,241 INFO L130 PetriNetUnfolder]: For 1411/1416 co-relation queries the response was YES. [2020-10-11 16:49:27,247 INFO L80 FinitePrefix]: Finished finitePrefix Result has 3226 conditions, 1449 events. 188/1449 cut-off events. For 1411/1416 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 7183 event pairs, 19 based on Foata normal form. 1/1389 useless extension candidates. Maximal degree in co-relation 3184. Up to 146 conditions per place. [2020-10-11 16:49:27,252 INFO L132 encePairwiseOnDemand]: 206/244 looper letters, 104 selfloop transitions, 66 changer transitions 0/324 dead transitions. [2020-10-11 16:49:27,252 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 354 places, 324 transitions, 1934 flow [2020-10-11 16:49:27,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2020-10-11 16:49:27,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2020-10-11 16:49:27,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 5186 transitions. [2020-10-11 16:49:27,264 INFO L551 CegarLoopForPetriNet]: DFA transition density 0.6641905737704918 [2020-10-11 16:49:27,264 INFO L72 ComplementDD]: Start complementDD. Operand 32 states and 5186 transitions. [2020-10-11 16:49:27,265 INFO L73 IsDeterministic]: Start isDeterministic. Operand 32 states and 5186 transitions. [2020-10-11 16:49:27,266 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-11 16:49:27,266 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 32 states and 5186 transitions. [2020-10-11 16:49:27,272 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 33 states. [2020-10-11 16:49:27,278 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 33 states. [2020-10-11 16:49:27,278 INFO L81 ComplementDD]: Finished complementDD. Result 33 states. [2020-10-11 16:49:27,278 INFO L185 Difference]: Start difference. First operand has 323 places, 283 transitions, 1439 flow. Second operand 32 states and 5186 transitions. [2020-10-11 16:49:27,278 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 354 places, 324 transitions, 1934 flow [2020-10-11 16:49:27,288 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 335 places, 324 transitions, 1838 flow, removed 0 selfloop flow, removed 19 redundant places. [2020-10-11 16:49:27,293 INFO L241 Difference]: Finished difference. Result has 341 places, 292 transitions, 1528 flow [2020-10-11 16:49:27,294 INFO L325 CegarLoopForPetriNet]: {PETRI_ALPHABET=244, PETRI_DIFFERENCE_MINUEND_FLOW=1343, PETRI_DIFFERENCE_MINUEND_PLACES=304, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=283, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=58, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=219, PETRI_DIFFERENCE_SUBTRAHEND_STATES=32, PETRI_FLOW=1528, PETRI_PLACES=341, PETRI_TRANSITIONS=292} [2020-10-11 16:49:27,294 INFO L341 CegarLoopForPetriNet]: 223 programPoint places, 118 predicate places. [2020-10-11 16:49:27,295 INFO L481 AbstractCegarLoop]: Abstraction has has 341 places, 292 transitions, 1528 flow [2020-10-11 16:49:27,295 INFO L482 AbstractCegarLoop]: Interpolant automaton has 34 states. [2020-10-11 16:49:27,295 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-11 16:49:27,295 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-11 16:49:27,295 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-10-11 16:49:27,295 INFO L429 AbstractCegarLoop]: === Iteration 17 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-11 16:49:27,296 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 16:49:27,296 INFO L82 PathProgramCache]: Analyzing trace with hash -1530339906, now seen corresponding path program 1 times [2020-10-11 16:49:27,296 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 16:49:27,296 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2147471076] [2020-10-11 16:49:27,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 16:49:27,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat Received shutdown request... [2020-10-11 16:51:48,054 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-10-11 16:51:48,059 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-10-11 16:51:48,060 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-10-11 16:51:48,061 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-10-11 16:51:48,062 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-10-11 16:51:48,064 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-10-11 16:51:48,066 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-10-11 16:51:48,068 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-10-11 16:51:48,078 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-10-11 16:51:48,079 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-10-11 16:51:48,081 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-10-11 16:51:48,091 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-10-11 16:51:48,092 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-10-11 16:51:48,095 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-10-11 16:51:48,097 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-10-11 16:51:48,101 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-10-11 16:51:48,102 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-10-11 16:51:48,103 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-10-11 16:51:48,108 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-10-11 16:51:48,109 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-10-11 16:51:48,112 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-10-11 16:51:48,113 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-10-11 16:51:48,114 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-10-11 16:51:48,114 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-10-11 16:51:48,115 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-10-11 16:51:48,122 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-10-11 16:51:48,123 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-10-11 16:51:48,123 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-10-11 16:51:48,124 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-10-11 16:51:48,125 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-10-11 16:51:48,127 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-10-11 16:51:48,128 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-10-11 16:51:48,128 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-10-11 16:51:48,132 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-10-11 16:51:48,133 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-10-11 16:51:48,134 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-10-11 16:51:48,134 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-10-11 16:51:48,135 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-10-11 16:51:48,135 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-10-11 16:51:48,136 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-10-11 16:51:48,138 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-10-11 16:51:48,139 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-10-11 16:51:48,139 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-10-11 16:51:48,139 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-10-11 16:51:48,143 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-10-11 16:51:48,143 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-10-11 16:51:48,144 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-10-11 16:51:48,144 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-10-11 16:51:48,144 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-10-11 16:51:48,147 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-10-11 16:51:48,147 WARN L546 AbstractCegarLoop]: Verification canceled [2020-10-11 16:51:48,155 WARN L235 ceAbstractionStarter]: Timeout [2020-10-11 16:51:48,155 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 04:51:48 BasicIcfg [2020-10-11 16:51:48,155 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-11 16:51:48,158 INFO L168 Benchmark]: Toolchain (without parser) took 802847.98 ms. Allocated memory was 251.7 MB in the beginning and 4.5 GB in the end (delta: 4.3 GB). Free memory was 206.8 MB in the beginning and 2.6 GB in the end (delta: -2.4 GB). Peak memory consumption was 4.0 GB. Max. memory is 14.2 GB. [2020-10-11 16:51:48,158 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 251.7 MB. Free memory is still 228.0 MB. There was no memory consumed. Max. memory is 14.2 GB. [2020-10-11 16:51:48,159 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1017.38 ms. Allocated memory was 251.7 MB in the beginning and 316.1 MB in the end (delta: 64.5 MB). Free memory was 206.8 MB in the beginning and 239.1 MB in the end (delta: -32.3 MB). Peak memory consumption was 42.3 MB. Max. memory is 14.2 GB. [2020-10-11 16:51:48,159 INFO L168 Benchmark]: Boogie Procedure Inliner took 112.09 ms. Allocated memory is still 316.1 MB. Free memory was 239.1 MB in the beginning and 236.6 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. [2020-10-11 16:51:48,160 INFO L168 Benchmark]: Boogie Preprocessor took 44.25 ms. Allocated memory is still 316.1 MB. Free memory was 236.6 MB in the beginning and 234.0 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. [2020-10-11 16:51:48,165 INFO L168 Benchmark]: RCFGBuilder took 855.70 ms. Allocated memory is still 316.1 MB. Free memory was 234.0 MB in the beginning and 186.6 MB in the end (delta: 47.5 MB). Peak memory consumption was 47.5 MB. Max. memory is 14.2 GB. [2020-10-11 16:51:48,172 INFO L168 Benchmark]: TraceAbstraction took 800812.69 ms. Allocated memory was 316.1 MB in the beginning and 4.5 GB in the end (delta: 4.2 GB). Free memory was 186.6 MB in the beginning and 2.6 GB in the end (delta: -2.4 GB). Peak memory consumption was 3.9 GB. Max. memory is 14.2 GB. [2020-10-11 16:51:48,174 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 251.7 MB. Free memory is still 228.0 MB. There was no memory consumed. Max. memory is 14.2 GB. * CACSL2BoogieTranslator took 1017.38 ms. Allocated memory was 251.7 MB in the beginning and 316.1 MB in the end (delta: 64.5 MB). Free memory was 206.8 MB in the beginning and 239.1 MB in the end (delta: -32.3 MB). Peak memory consumption was 42.3 MB. Max. memory is 14.2 GB. * Boogie Procedure Inliner took 112.09 ms. Allocated memory is still 316.1 MB. Free memory was 239.1 MB in the beginning and 236.6 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. * Boogie Preprocessor took 44.25 ms. Allocated memory is still 316.1 MB. Free memory was 236.6 MB in the beginning and 234.0 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. * RCFGBuilder took 855.70 ms. Allocated memory is still 316.1 MB. Free memory was 234.0 MB in the beginning and 186.6 MB in the end (delta: 47.5 MB). Peak memory consumption was 47.5 MB. Max. memory is 14.2 GB. * TraceAbstraction took 800812.69 ms. Allocated memory was 316.1 MB in the beginning and 4.5 GB in the end (delta: 4.2 GB). Free memory was 186.6 MB in the beginning and 2.6 GB in the end (delta: -2.4 GB). Peak memory consumption was 3.9 GB. Max. memory is 14.2 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 1040]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 1040). Cancelled while CegarLoopForPetriNet was analyzing trace of length 176 with TraceHistMax 1,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while NestedInterpolantsBuilder was constructing predicates for 174 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 176 with TraceHistMax 1,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while NestedInterpolantsBuilder was constructing predicates for 174 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 176 with TraceHistMax 1,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while NestedInterpolantsBuilder was constructing predicates for 174 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: 800.5s, OverallIterations: 17, TraceHistogramMax: 1, AutomataDifference: 642.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 4569 SDtfs, 11954 SDslu, 51742 SDs, 0 SdLazy, 78389 SolverSat, 996 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 101.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 516 GetRequests, 49 SyntacticMatches, 17 SemanticMatches, 450 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4204 ImplicationChecksByTransitivity, 38.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1528occurred in iteration=16, 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, 0.4s SatisfiabilityAnalysisTime, 15.6s InterpolantComputationTime, 1660 NumberOfCodeBlocks, 1660 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 1644 ConstructedInterpolants, 0 QuantifiedInterpolants, 2141608 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 16 InterpolantComputations, 16 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown