/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_longer.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-11af1e5 [2020-10-11 16:38:49,948 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-11 16:38:49,951 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-11 16:38:49,990 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-11 16:38:49,990 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-11 16:38:49,998 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-11 16:38:50,001 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-11 16:38:50,005 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-11 16:38:50,007 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-11 16:38:50,010 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-11 16:38:50,011 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-11 16:38:50,012 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-11 16:38:50,012 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-11 16:38:50,015 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-11 16:38:50,017 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-11 16:38:50,018 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-11 16:38:50,020 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-11 16:38:50,021 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-11 16:38:50,022 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-11 16:38:50,030 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-11 16:38:50,032 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-11 16:38:50,033 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-11 16:38:50,034 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-11 16:38:50,034 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-11 16:38:50,046 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-11 16:38:50,046 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-11 16:38:50,046 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-11 16:38:50,049 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-11 16:38:50,050 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-11 16:38:50,051 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-11 16:38:50,051 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-11 16:38:50,055 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-11 16:38:50,056 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-11 16:38:50,057 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-11 16:38:50,058 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-11 16:38:50,058 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-11 16:38:50,058 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-11 16:38:50,058 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-11 16:38:50,059 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-11 16:38:50,064 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-11 16:38:50,065 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-11 16:38:50,066 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 16:38:50,102 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-11 16:38:50,103 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-11 16:38:50,104 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-11 16:38:50,104 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-11 16:38:50,105 INFO L138 SettingsManager]: * Use SBE=true [2020-10-11 16:38:50,105 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-11 16:38:50,105 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-11 16:38:50,106 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-11 16:38:50,106 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-11 16:38:50,106 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-11 16:38:50,107 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-11 16:38:50,107 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-11 16:38:50,107 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-11 16:38:50,108 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-11 16:38:50,108 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-11 16:38:50,108 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-11 16:38:50,108 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-11 16:38:50,109 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-11 16:38:50,109 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-11 16:38:50,109 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-11 16:38:50,109 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-11 16:38:50,110 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-11 16:38:50,110 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-11 16:38:50,110 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-11 16:38:50,110 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-11 16:38:50,110 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-11 16:38:50,110 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-11 16:38:50,111 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2020-10-11 16:38:50,111 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2020-10-11 16:38:50,111 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-11 16:38:50,394 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-11 16:38:50,405 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-11 16:38:50,409 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-11 16:38:50,410 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-11 16:38:50,411 INFO L275 PluginConnector]: CDTParser initialized [2020-10-11 16:38:50,411 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread/queue_longer.i [2020-10-11 16:38:50,471 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6997237f7/04ec87a2be984360aeec567208732b98/FLAG3d993c831 [2020-10-11 16:38:51,002 INFO L306 CDTParser]: Found 1 translation units. [2020-10-11 16:38:51,003 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/queue_longer.i [2020-10-11 16:38:51,033 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6997237f7/04ec87a2be984360aeec567208732b98/FLAG3d993c831 [2020-10-11 16:38:51,283 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6997237f7/04ec87a2be984360aeec567208732b98 [2020-10-11 16:38:51,291 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-11 16:38:51,293 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-11 16:38:51,297 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-11 16:38:51,297 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-11 16:38:51,300 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-11 16:38:51,301 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 04:38:51" (1/1) ... [2020-10-11 16:38:51,305 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7defe54d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 04:38:51, skipping insertion in model container [2020-10-11 16:38:51,305 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 04:38:51" (1/1) ... [2020-10-11 16:38:51,313 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-11 16:38:51,381 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-11 16:38:51,973 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-11 16:38:51,990 INFO L203 MainTranslator]: Completed pre-run [2020-10-11 16:38:52,103 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-11 16:38:52,278 INFO L208 MainTranslator]: Completed translation [2020-10-11 16:38:52,279 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 04:38:52 WrapperNode [2020-10-11 16:38:52,279 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-11 16:38:52,280 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-11 16:38:52,280 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-11 16:38:52,280 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-11 16:38:52,290 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 04:38:52" (1/1) ... [2020-10-11 16:38:52,312 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 04:38:52" (1/1) ... [2020-10-11 16:38:52,375 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-11 16:38:52,377 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-11 16:38:52,377 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-11 16:38:52,377 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-11 16:38:52,389 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 04:38:52" (1/1) ... [2020-10-11 16:38:52,389 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 04:38:52" (1/1) ... [2020-10-11 16:38:52,409 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 04:38:52" (1/1) ... [2020-10-11 16:38:52,414 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 04:38:52" (1/1) ... [2020-10-11 16:38:52,436 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 04:38:52" (1/1) ... [2020-10-11 16:38:52,441 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 04:38:52" (1/1) ... [2020-10-11 16:38:52,444 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 04:38:52" (1/1) ... [2020-10-11 16:38:52,448 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-11 16:38:52,448 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-11 16:38:52,449 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-11 16:38:52,449 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-11 16:38:52,450 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 04:38:52" (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 16:38:52,516 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2020-10-11 16:38:52,516 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2020-10-11 16:38:52,516 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2020-10-11 16:38:52,516 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2020-10-11 16:38:52,516 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-11 16:38:52,517 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-11 16:38:52,517 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-11 16:38:52,518 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-11 16:38:52,518 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2020-10-11 16:38:52,519 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-11 16:38:52,519 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-11 16:38:52,519 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-11 16:38:52,521 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 16:38:53,125 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-11 16:38:53,125 INFO L298 CfgBuilder]: Removed 18 assume(true) statements. [2020-10-11 16:38:53,127 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 04:38:53 BoogieIcfgContainer [2020-10-11 16:38:53,128 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-11 16:38:53,129 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-11 16:38:53,129 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-11 16:38:53,132 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-11 16:38:53,133 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 04:38:51" (1/3) ... [2020-10-11 16:38:53,134 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@209a6417 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 04:38:53, skipping insertion in model container [2020-10-11 16:38:53,134 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 04:38:52" (2/3) ... [2020-10-11 16:38:53,134 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@209a6417 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 04:38:53, skipping insertion in model container [2020-10-11 16:38:53,135 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 04:38:53" (3/3) ... [2020-10-11 16:38:53,137 INFO L111 eAbstractionObserver]: Analyzing ICFG queue_longer.i [2020-10-11 16:38:53,149 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-11 16:38:53,157 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-10-11 16:38:53,158 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-11 16:38:53,201 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,201 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,202 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,202 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,202 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,202 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,203 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,203 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,203 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,203 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,204 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,204 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,204 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,204 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,205 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,205 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,205 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,205 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,205 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,206 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,206 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,206 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,206 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,206 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,207 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,207 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,207 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,207 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,208 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,208 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,208 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,208 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,208 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,209 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,209 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,209 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,209 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,209 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,210 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,210 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,210 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,210 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,211 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,211 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,211 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,211 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,212 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,212 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,212 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,212 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,212 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,213 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,213 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,213 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,213 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,214 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,214 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,214 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,214 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,214 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,215 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,215 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,215 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,215 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,215 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,216 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,216 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,216 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,216 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,216 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,217 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,217 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,217 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,217 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,218 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,218 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,218 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,218 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,219 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,219 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,219 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,219 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,220 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,220 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,220 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,220 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,220 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,221 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,221 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,221 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,221 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,221 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,222 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,222 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,222 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,222 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,222 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,223 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,223 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,223 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,223 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,224 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,224 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,224 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,224 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,225 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,225 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,225 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,225 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,225 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,226 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,226 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,226 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,226 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,227 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,227 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,227 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,227 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,228 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,228 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,228 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,228 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,229 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,229 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,229 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,229 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,229 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,230 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,230 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,230 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,230 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,230 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,231 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,231 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,231 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,231 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,231 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,232 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,232 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,232 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,232 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,232 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,232 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,233 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,233 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,233 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,233 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,233 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,234 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,234 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,234 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,234 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,234 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,235 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,235 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,235 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,235 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,235 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,236 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,236 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,236 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,236 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,236 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,237 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,237 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,237 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,237 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,237 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,238 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,238 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,238 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,238 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,238 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,239 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,239 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,239 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,239 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,239 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,240 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,240 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,240 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,240 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,240 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,241 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,241 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,241 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,241 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,241 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,242 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,242 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,242 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,242 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,242 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,243 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,244 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,244 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,244 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,245 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,245 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,245 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,245 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,246 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,246 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,246 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,246 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,246 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,247 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,247 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,247 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,247 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,248 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,248 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,248 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,248 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,248 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,249 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,249 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,249 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,249 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,249 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,250 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,250 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,250 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,250 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,250 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,251 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,251 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,251 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,251 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,251 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,252 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,252 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,252 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,252 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,252 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,253 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,253 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,253 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,253 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,253 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,254 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,267 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,267 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,268 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,268 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,268 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,268 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,269 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,269 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,269 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,269 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,269 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,270 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,270 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,270 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,270 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,270 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,270 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,271 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,271 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,271 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,271 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,271 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,272 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,272 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,272 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,272 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,272 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,272 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,273 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,273 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,273 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,273 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,273 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,273 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,274 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,274 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,274 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,274 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,274 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,275 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,275 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,275 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,275 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,279 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,279 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,279 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,280 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,280 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,280 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,280 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,280 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,281 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,281 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,281 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,281 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,281 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,281 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,282 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,282 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,282 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,282 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,282 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,282 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,283 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,283 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,283 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,283 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,283 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,284 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,284 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,284 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,284 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,284 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,284 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,285 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,285 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,285 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,285 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,291 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,291 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,291 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,291 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,291 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,292 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,292 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,292 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,292 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,292 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,293 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,293 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,293 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,293 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,293 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,293 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,294 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,294 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,294 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,294 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,294 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,295 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:38:53,320 INFO L253 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2020-10-11 16:38:53,341 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-11 16:38:53,341 INFO L378 AbstractCegarLoop]: Hoare is false [2020-10-11 16:38:53,341 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-11 16:38:53,341 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-11 16:38:53,341 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-11 16:38:53,341 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-11 16:38:53,342 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-11 16:38:53,342 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-11 16:38:53,359 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 234 places, 244 transitions, 510 flow [2020-10-11 16:38:53,453 INFO L129 PetriNetUnfolder]: 16/244 cut-off events. [2020-10-11 16:38:53,453 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2020-10-11 16:38:53,465 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 16:38:53,466 INFO L82 GeneralOperation]: Start removeDead. Operand has 234 places, 244 transitions, 510 flow [2020-10-11 16:38:53,476 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 223 places, 232 transitions, 476 flow [2020-10-11 16:38:53,487 INFO L129 PetriNetUnfolder]: 2/52 cut-off events. [2020-10-11 16:38:53,487 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-11 16:38:53,488 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-11 16:38:53,489 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 16:38:53,489 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 16:38:53,495 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 16:38:53,495 INFO L82 PathProgramCache]: Analyzing trace with hash 1392109782, now seen corresponding path program 1 times [2020-10-11 16:38:53,505 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 16:38:53,505 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [540212812] [2020-10-11 16:38:53,506 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 16:38:53,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 16:38:53,731 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 16:38:53,732 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [540212812] [2020-10-11 16:38:53,733 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-11 16:38:53,733 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-11 16:38:53,734 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [606514321] [2020-10-11 16:38:53,744 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-11 16:38:53,745 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 16:38:53,759 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-11 16:38:53,761 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-11 16:38:53,765 INFO L506 CegarLoopForPetriNet]: Number of universal loopers: 238 out of 244 [2020-10-11 16:38:53,768 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 223 places, 232 transitions, 476 flow. Second operand 2 states. [2020-10-11 16:38:53,768 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-11 16:38:53,768 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 238 of 244 [2020-10-11 16:38:53,770 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-11 16:38:53,833 INFO L129 PetriNetUnfolder]: 10/226 cut-off events. [2020-10-11 16:38:53,834 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2020-10-11 16:38:53,836 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 16:38:53,839 INFO L132 encePairwiseOnDemand]: 239/244 looper letters, 0 selfloop transitions, 0 changer transitions 0/224 dead transitions. [2020-10-11 16:38:53,839 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 221 places, 224 transitions, 460 flow [2020-10-11 16:38:53,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-11 16:38:53,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-10-11 16:38:53,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 481 transitions. [2020-10-11 16:38:53,857 INFO L551 CegarLoopForPetriNet]: DFA transition density 0.985655737704918 [2020-10-11 16:38:53,858 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 481 transitions. [2020-10-11 16:38:53,858 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 481 transitions. [2020-10-11 16:38:53,861 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-11 16:38:53,863 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 481 transitions. [2020-10-11 16:38:53,868 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 3 states. [2020-10-11 16:38:53,876 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 3 states. [2020-10-11 16:38:53,876 INFO L81 ComplementDD]: Finished complementDD. Result 3 states. [2020-10-11 16:38:53,879 INFO L185 Difference]: Start difference. First operand has 223 places, 232 transitions, 476 flow. Second operand 2 states and 481 transitions. [2020-10-11 16:38:53,880 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 221 places, 224 transitions, 460 flow [2020-10-11 16:38:53,885 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 16:38:53,891 INFO L241 Difference]: Finished difference. Result has 217 places, 224 transitions, 452 flow [2020-10-11 16:38:53,895 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 16:38:53,896 INFO L341 CegarLoopForPetriNet]: 223 programPoint places, -6 predicate places. [2020-10-11 16:38:53,896 INFO L481 AbstractCegarLoop]: Abstraction has has 217 places, 224 transitions, 452 flow [2020-10-11 16:38:53,896 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-11 16:38:53,896 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-11 16:38:53,896 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 16:38:53,897 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-11 16:38:53,897 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 16:38:53,897 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 16:38:53,898 INFO L82 PathProgramCache]: Analyzing trace with hash 352145242, now seen corresponding path program 1 times [2020-10-11 16:38:53,898 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 16:38:53,898 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [628331999] [2020-10-11 16:38:53,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 16:38:53,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 16:38:54,317 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 16:38:54,318 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [628331999] [2020-10-11 16:38:54,318 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-11 16:38:54,318 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-11 16:38:54,318 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1016444810] [2020-10-11 16:38:54,320 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-11 16:38:54,321 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 16:38:54,321 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-11 16:38:54,322 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2020-10-11 16:39:01,152 INFO L506 CegarLoopForPetriNet]: Number of universal loopers: 203 out of 244 [2020-10-11 16:39:01,154 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 217 places, 224 transitions, 452 flow. Second operand 12 states. [2020-10-11 16:39:01,154 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-11 16:39:01,154 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 203 of 244 [2020-10-11 16:39:01,154 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-11 16:39:01,712 INFO L129 PetriNetUnfolder]: 73/655 cut-off events. [2020-10-11 16:39:01,713 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-11 16:39:01,720 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 16. Compared 3018 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 16:39:01,724 INFO L132 encePairwiseOnDemand]: 229/244 looper letters, 20 selfloop transitions, 14 changer transitions 0/222 dead transitions. [2020-10-11 16:39:01,725 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 226 places, 222 transitions, 516 flow [2020-10-11 16:39:01,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-11 16:39:01,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2020-10-11 16:39:01,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 2674 transitions. [2020-10-11 16:39:01,737 INFO L551 CegarLoopForPetriNet]: DFA transition density 0.8430012610340479 [2020-10-11 16:39:01,741 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 2674 transitions. [2020-10-11 16:39:01,741 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 2674 transitions. [2020-10-11 16:39:01,743 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-11 16:39:01,743 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 2674 transitions. [2020-10-11 16:39:01,750 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 14 states. [2020-10-11 16:39:01,758 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 14 states. [2020-10-11 16:39:01,758 INFO L81 ComplementDD]: Finished complementDD. Result 14 states. [2020-10-11 16:39:01,758 INFO L185 Difference]: Start difference. First operand has 217 places, 224 transitions, 452 flow. Second operand 13 states and 2674 transitions. [2020-10-11 16:39:01,758 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 226 places, 222 transitions, 516 flow [2020-10-11 16:39:01,763 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 16:39:01,775 INFO L241 Difference]: Finished difference. Result has 227 places, 222 transitions, 485 flow [2020-10-11 16:39:01,776 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 16:39:01,776 INFO L341 CegarLoopForPetriNet]: 223 programPoint places, 4 predicate places. [2020-10-11 16:39:01,777 INFO L481 AbstractCegarLoop]: Abstraction has has 227 places, 222 transitions, 485 flow [2020-10-11 16:39:01,777 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-11 16:39:01,777 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-11 16:39:01,777 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 16:39:01,777 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-11 16:39:01,778 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 16:39:01,778 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 16:39:01,778 INFO L82 PathProgramCache]: Analyzing trace with hash -1780751271, now seen corresponding path program 1 times [2020-10-11 16:39:01,778 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 16:39:01,779 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [5488300] [2020-10-11 16:39:01,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 16:39:01,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 16:39:01,958 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 16:39:01,958 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [5488300] [2020-10-11 16:39:01,958 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-11 16:39:01,959 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-11 16:39:01,959 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1919910104] [2020-10-11 16:39:01,959 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-11 16:39:01,959 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 16:39:01,960 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-11 16:39:01,960 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-11 16:39:02,032 INFO L506 CegarLoopForPetriNet]: Number of universal loopers: 228 out of 244 [2020-10-11 16:39:02,033 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 227 places, 222 transitions, 485 flow. Second operand 4 states. [2020-10-11 16:39:02,033 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-11 16:39:02,033 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 228 of 244 [2020-10-11 16:39:02,033 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-11 16:39:02,093 INFO L129 PetriNetUnfolder]: 14/315 cut-off events. [2020-10-11 16:39:02,093 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2020-10-11 16:39:02,096 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 657 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 16:39:02,097 INFO L132 encePairwiseOnDemand]: 238/244 looper letters, 3 selfloop transitions, 5 changer transitions 0/220 dead transitions. [2020-10-11 16:39:02,097 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 229 places, 220 transitions, 497 flow [2020-10-11 16:39:02,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-11 16:39:02,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-10-11 16:39:02,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 921 transitions. [2020-10-11 16:39:02,101 INFO L551 CegarLoopForPetriNet]: DFA transition density 0.9436475409836066 [2020-10-11 16:39:02,101 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 921 transitions. [2020-10-11 16:39:02,101 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 921 transitions. [2020-10-11 16:39:02,102 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-11 16:39:02,102 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 921 transitions. [2020-10-11 16:39:02,105 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 5 states. [2020-10-11 16:39:02,107 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 5 states. [2020-10-11 16:39:02,107 INFO L81 ComplementDD]: Finished complementDD. Result 5 states. [2020-10-11 16:39:02,107 INFO L185 Difference]: Start difference. First operand has 227 places, 222 transitions, 485 flow. Second operand 4 states and 921 transitions. [2020-10-11 16:39:02,107 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 229 places, 220 transitions, 497 flow [2020-10-11 16:39:02,110 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 16:39:02,113 INFO L241 Difference]: Finished difference. Result has 219 places, 220 transitions, 470 flow [2020-10-11 16:39:02,114 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 16:39:02,114 INFO L341 CegarLoopForPetriNet]: 223 programPoint places, -4 predicate places. [2020-10-11 16:39:02,114 INFO L481 AbstractCegarLoop]: Abstraction has has 219 places, 220 transitions, 470 flow [2020-10-11 16:39:02,114 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-11 16:39:02,114 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-11 16:39:02,115 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 16:39:02,115 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-11 16:39:02,115 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 16:39:02,116 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 16:39:02,116 INFO L82 PathProgramCache]: Analyzing trace with hash -963916843, now seen corresponding path program 1 times [2020-10-11 16:39:02,116 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 16:39:02,116 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1712624332] [2020-10-11 16:39:02,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 16:39:02,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 16:39:02,245 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 16:39:02,246 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1712624332] [2020-10-11 16:39:02,246 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-11 16:39:02,247 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-11 16:39:02,247 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [59506070] [2020-10-11 16:39:02,247 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-11 16:39:02,248 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 16:39:02,248 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-11 16:39:02,248 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-11 16:39:02,280 INFO L506 CegarLoopForPetriNet]: Number of universal loopers: 233 out of 244 [2020-10-11 16:39:02,281 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 219 places, 220 transitions, 470 flow. Second operand 3 states. [2020-10-11 16:39:02,281 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-11 16:39:02,281 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 233 of 244 [2020-10-11 16:39:02,282 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-11 16:39:02,391 INFO L129 PetriNetUnfolder]: 23/476 cut-off events. [2020-10-11 16:39:02,391 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-11 16:39:02,395 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 898 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 16:39:02,397 INFO L132 encePairwiseOnDemand]: 240/244 looper letters, 3 selfloop transitions, 3 changer transitions 0/221 dead transitions. [2020-10-11 16:39:02,398 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 221 places, 221 transitions, 484 flow [2020-10-11 16:39:02,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-11 16:39:02,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-10-11 16:39:02,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 706 transitions. [2020-10-11 16:39:02,401 INFO L551 CegarLoopForPetriNet]: DFA transition density 0.9644808743169399 [2020-10-11 16:39:02,401 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 706 transitions. [2020-10-11 16:39:02,401 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 706 transitions. [2020-10-11 16:39:02,402 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-11 16:39:02,402 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 706 transitions. [2020-10-11 16:39:02,403 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 4 states. [2020-10-11 16:39:02,405 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 4 states. [2020-10-11 16:39:02,405 INFO L81 ComplementDD]: Finished complementDD. Result 4 states. [2020-10-11 16:39:02,405 INFO L185 Difference]: Start difference. First operand has 219 places, 220 transitions, 470 flow. Second operand 3 states and 706 transitions. [2020-10-11 16:39:02,405 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 221 places, 221 transitions, 484 flow [2020-10-11 16:39:02,408 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 16:39:02,411 INFO L241 Difference]: Finished difference. Result has 219 places, 221 transitions, 475 flow [2020-10-11 16:39:02,412 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 16:39:02,412 INFO L341 CegarLoopForPetriNet]: 223 programPoint places, -4 predicate places. [2020-10-11 16:39:02,413 INFO L481 AbstractCegarLoop]: Abstraction has has 219 places, 221 transitions, 475 flow [2020-10-11 16:39:02,413 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-11 16:39:02,413 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-11 16:39:02,413 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 16:39:02,413 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-11 16:39:02,414 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 16:39:02,414 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 16:39:02,414 INFO L82 PathProgramCache]: Analyzing trace with hash 155716678, now seen corresponding path program 1 times [2020-10-11 16:39:02,415 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 16:39:02,415 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [67299857] [2020-10-11 16:39:02,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 16:39:02,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 16:39:02,525 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 16:39:02,525 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [67299857] [2020-10-11 16:39:02,525 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-11 16:39:02,525 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-11 16:39:02,526 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [567269393] [2020-10-11 16:39:02,527 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-11 16:39:02,527 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 16:39:02,527 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-11 16:39:02,528 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-11 16:39:02,585 INFO L506 CegarLoopForPetriNet]: Number of universal loopers: 229 out of 244 [2020-10-11 16:39:02,586 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 219 places, 221 transitions, 475 flow. Second operand 4 states. [2020-10-11 16:39:02,586 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-11 16:39:02,586 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 229 of 244 [2020-10-11 16:39:02,586 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-11 16:39:02,718 INFO L129 PetriNetUnfolder]: 38/784 cut-off events. [2020-10-11 16:39:02,718 INFO L130 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2020-10-11 16:39:02,724 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 2760 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 16:39:02,727 INFO L132 encePairwiseOnDemand]: 239/244 looper letters, 7 selfloop transitions, 5 changer transitions 0/224 dead transitions. [2020-10-11 16:39:02,728 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 223 places, 224 transitions, 505 flow [2020-10-11 16:39:02,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-11 16:39:02,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-10-11 16:39:02,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1158 transitions. [2020-10-11 16:39:02,732 INFO L551 CegarLoopForPetriNet]: DFA transition density 0.9491803278688524 [2020-10-11 16:39:02,733 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1158 transitions. [2020-10-11 16:39:02,733 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1158 transitions. [2020-10-11 16:39:02,734 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-11 16:39:02,734 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1158 transitions. [2020-10-11 16:39:02,736 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 6 states. [2020-10-11 16:39:02,740 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 6 states. [2020-10-11 16:39:02,740 INFO L81 ComplementDD]: Finished complementDD. Result 6 states. [2020-10-11 16:39:02,740 INFO L185 Difference]: Start difference. First operand has 219 places, 221 transitions, 475 flow. Second operand 5 states and 1158 transitions. [2020-10-11 16:39:02,741 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 223 places, 224 transitions, 505 flow [2020-10-11 16:39:02,744 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 16:39:02,749 INFO L241 Difference]: Finished difference. Result has 225 places, 224 transitions, 502 flow [2020-10-11 16:39:02,750 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 16:39:02,750 INFO L341 CegarLoopForPetriNet]: 223 programPoint places, 2 predicate places. [2020-10-11 16:39:02,750 INFO L481 AbstractCegarLoop]: Abstraction has has 225 places, 224 transitions, 502 flow [2020-10-11 16:39:02,751 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-11 16:39:02,751 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-11 16:39:02,751 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 16:39:02,751 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-11 16:39:02,752 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 16:39:02,752 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 16:39:02,752 INFO L82 PathProgramCache]: Analyzing trace with hash -123679411, now seen corresponding path program 1 times [2020-10-11 16:39:02,753 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 16:39:02,753 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [84932860] [2020-10-11 16:39:02,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 16:39:02,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 16:39:03,208 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 16:39:03,209 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [84932860] [2020-10-11 16:39:03,209 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-11 16:39:03,209 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-10-11 16:39:03,210 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1199186184] [2020-10-11 16:39:03,210 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-11 16:39:03,210 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 16:39:03,211 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-11 16:39:03,211 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=145, Unknown=0, NotChecked=0, Total=182 [2020-10-11 16:39:13,342 INFO L506 CegarLoopForPetriNet]: Number of universal loopers: 188 out of 244 [2020-10-11 16:39:13,344 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 225 places, 224 transitions, 502 flow. Second operand 14 states. [2020-10-11 16:39:13,344 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-11 16:39:13,344 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 188 of 244 [2020-10-11 16:39:13,344 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-11 16:39:14,216 INFO L129 PetriNetUnfolder]: 200/1144 cut-off events. [2020-10-11 16:39:14,217 INFO L130 PetriNetUnfolder]: For 72/72 co-relation queries the response was YES. [2020-10-11 16:39:14,223 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 45. Compared 5559 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 16:39:14,231 INFO L132 encePairwiseOnDemand]: 228/244 looper letters, 43 selfloop transitions, 22 changer transitions 0/240 dead transitions. [2020-10-11 16:39:14,232 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 238 places, 240 transitions, 679 flow [2020-10-11 16:39:14,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-11 16:39:14,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2020-10-11 16:39:14,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 2697 transitions. [2020-10-11 16:39:14,241 INFO L551 CegarLoopForPetriNet]: DFA transition density 0.789519906323185 [2020-10-11 16:39:14,241 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 2697 transitions. [2020-10-11 16:39:14,241 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 2697 transitions. [2020-10-11 16:39:14,243 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-11 16:39:14,243 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 2697 transitions. [2020-10-11 16:39:14,248 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 15 states. [2020-10-11 16:39:14,254 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 15 states. [2020-10-11 16:39:14,254 INFO L81 ComplementDD]: Finished complementDD. Result 15 states. [2020-10-11 16:39:14,254 INFO L185 Difference]: Start difference. First operand has 225 places, 224 transitions, 502 flow. Second operand 14 states and 2697 transitions. [2020-10-11 16:39:14,255 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 238 places, 240 transitions, 679 flow [2020-10-11 16:39:14,257 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 16:39:14,261 INFO L241 Difference]: Finished difference. Result has 244 places, 238 transitions, 634 flow [2020-10-11 16:39:14,262 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 16:39:14,262 INFO L341 CegarLoopForPetriNet]: 223 programPoint places, 21 predicate places. [2020-10-11 16:39:14,262 INFO L481 AbstractCegarLoop]: Abstraction has has 244 places, 238 transitions, 634 flow [2020-10-11 16:39:14,262 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-11 16:39:14,263 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-11 16:39:14,263 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 16:39:14,263 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-11 16:39:14,263 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 16:39:14,264 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 16:39:14,264 INFO L82 PathProgramCache]: Analyzing trace with hash -1649380683, now seen corresponding path program 1 times [2020-10-11 16:39:14,264 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 16:39:14,264 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [392071747] [2020-10-11 16:39:14,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 16:39:14,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 16:39:14,721 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 16:39:14,721 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [392071747] [2020-10-11 16:39:14,721 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-11 16:39:14,722 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2020-10-11 16:39:14,722 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [645193443] [2020-10-11 16:39:14,722 INFO L461 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-10-11 16:39:14,723 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 16:39:14,723 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-10-11 16:39:14,723 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=223, Unknown=0, NotChecked=0, Total=272 [2020-10-11 16:39:26,723 INFO L506 CegarLoopForPetriNet]: Number of universal loopers: 184 out of 244 [2020-10-11 16:39:26,725 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 244 places, 238 transitions, 634 flow. Second operand 17 states. [2020-10-11 16:39:26,725 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-11 16:39:26,726 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 184 of 244 [2020-10-11 16:39:26,726 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-11 16:39:28,083 INFO L129 PetriNetUnfolder]: 226/1465 cut-off events. [2020-10-11 16:39:28,084 INFO L130 PetriNetUnfolder]: For 249/253 co-relation queries the response was YES. [2020-10-11 16:39:28,093 INFO L80 FinitePrefix]: Finished finitePrefix Result has 2250 conditions, 1465 events. 226/1465 cut-off events. For 249/253 co-relation queries the response was YES. Maximal size of possible extension queue 47. Compared 7844 event pairs, 78 based on Foata normal form. 4/1396 useless extension candidates. Maximal degree in co-relation 2235. Up to 385 conditions per place. [2020-10-11 16:39:28,100 INFO L132 encePairwiseOnDemand]: 217/244 looper letters, 48 selfloop transitions, 46 changer transitions 0/266 dead transitions. [2020-10-11 16:39:28,101 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 263 places, 266 transitions, 912 flow [2020-10-11 16:39:28,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-10-11 16:39:28,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2020-10-11 16:39:28,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 3767 transitions. [2020-10-11 16:39:28,111 INFO L551 CegarLoopForPetriNet]: DFA transition density 0.7719262295081967 [2020-10-11 16:39:28,111 INFO L72 ComplementDD]: Start complementDD. Operand 20 states and 3767 transitions. [2020-10-11 16:39:28,112 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 3767 transitions. [2020-10-11 16:39:28,114 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-11 16:39:28,114 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 20 states and 3767 transitions. [2020-10-11 16:39:28,121 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 21 states. [2020-10-11 16:39:28,129 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 21 states. [2020-10-11 16:39:28,129 INFO L81 ComplementDD]: Finished complementDD. Result 21 states. [2020-10-11 16:39:28,129 INFO L185 Difference]: Start difference. First operand has 244 places, 238 transitions, 634 flow. Second operand 20 states and 3767 transitions. [2020-10-11 16:39:28,129 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 263 places, 266 transitions, 912 flow [2020-10-11 16:39:28,136 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 16:39:28,142 INFO L241 Difference]: Finished difference. Result has 264 places, 254 transitions, 842 flow [2020-10-11 16:39:28,143 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 16:39:28,143 INFO L341 CegarLoopForPetriNet]: 223 programPoint places, 41 predicate places. [2020-10-11 16:39:28,143 INFO L481 AbstractCegarLoop]: Abstraction has has 264 places, 254 transitions, 842 flow [2020-10-11 16:39:28,143 INFO L482 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-10-11 16:39:28,143 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-11 16:39:28,144 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 16:39:28,144 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-11 16:39:28,144 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 16:39:28,144 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 16:39:28,144 INFO L82 PathProgramCache]: Analyzing trace with hash -1262693723, now seen corresponding path program 2 times [2020-10-11 16:39:28,145 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 16:39:28,145 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [876133813] [2020-10-11 16:39:28,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 16:39:28,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 16:39:28,729 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 16:39:28,730 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [876133813] [2020-10-11 16:39:28,730 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-11 16:39:28,730 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2020-10-11 16:39:28,731 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1991816385] [2020-10-11 16:39:28,732 INFO L461 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-10-11 16:39:28,732 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 16:39:28,733 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-10-11 16:39:28,733 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=225, Unknown=0, NotChecked=0, Total=272 [2020-10-11 16:39:44,007 INFO L506 CegarLoopForPetriNet]: Number of universal loopers: 184 out of 244 [2020-10-11 16:39:44,009 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 264 places, 254 transitions, 842 flow. Second operand 17 states. [2020-10-11 16:39:44,009 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-11 16:39:44,009 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 184 of 244 [2020-10-11 16:39:44,010 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-11 16:39:45,459 INFO L129 PetriNetUnfolder]: 224/1441 cut-off events. [2020-10-11 16:39:45,459 INFO L130 PetriNetUnfolder]: For 509/511 co-relation queries the response was YES. [2020-10-11 16:39:45,469 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 47. Compared 7646 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 16:39:45,476 INFO L132 encePairwiseOnDemand]: 217/244 looper letters, 47 selfloop transitions, 51 changer transitions 0/270 dead transitions. [2020-10-11 16:39:45,476 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 282 places, 270 transitions, 1112 flow [2020-10-11 16:39:45,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-10-11 16:39:45,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2020-10-11 16:39:45,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 3578 transitions. [2020-10-11 16:39:45,486 INFO L551 CegarLoopForPetriNet]: DFA transition density 0.771786022433132 [2020-10-11 16:39:45,486 INFO L72 ComplementDD]: Start complementDD. Operand 19 states and 3578 transitions. [2020-10-11 16:39:45,486 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 3578 transitions. [2020-10-11 16:39:45,489 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-11 16:39:45,489 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 19 states and 3578 transitions. [2020-10-11 16:39:45,496 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 20 states. [2020-10-11 16:39:45,506 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 20 states. [2020-10-11 16:39:45,506 INFO L81 ComplementDD]: Finished complementDD. Result 20 states. [2020-10-11 16:39:45,506 INFO L185 Difference]: Start difference. First operand has 264 places, 254 transitions, 842 flow. Second operand 19 states and 3578 transitions. [2020-10-11 16:39:45,506 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 282 places, 270 transitions, 1112 flow [2020-10-11 16:39:45,513 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 16:39:45,520 INFO L241 Difference]: Finished difference. Result has 278 places, 260 transitions, 1001 flow [2020-10-11 16:39:45,521 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 16:39:45,521 INFO L341 CegarLoopForPetriNet]: 223 programPoint places, 55 predicate places. [2020-10-11 16:39:45,521 INFO L481 AbstractCegarLoop]: Abstraction has has 278 places, 260 transitions, 1001 flow [2020-10-11 16:39:45,521 INFO L482 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-10-11 16:39:45,521 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-11 16:39:45,522 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 16:39:45,522 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-11 16:39:45,522 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 16:39:45,522 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 16:39:45,523 INFO L82 PathProgramCache]: Analyzing trace with hash -1136874111, now seen corresponding path program 3 times [2020-10-11 16:39:45,523 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 16:39:45,523 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [295774591] [2020-10-11 16:39:45,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 16:39:45,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 16:39:46,010 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 16:39:46,010 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [295774591] [2020-10-11 16:39:46,010 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-11 16:39:46,011 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2020-10-11 16:39:46,011 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1251146313] [2020-10-11 16:39:46,011 INFO L461 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-10-11 16:39:46,011 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 16:39:46,012 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-10-11 16:39:46,012 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=225, Unknown=0, NotChecked=0, Total=272 [2020-10-11 16:40:02,250 INFO L506 CegarLoopForPetriNet]: Number of universal loopers: 184 out of 244 [2020-10-11 16:40:02,252 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 278 places, 260 transitions, 1001 flow. Second operand 17 states. [2020-10-11 16:40:02,252 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-11 16:40:02,252 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 184 of 244 [2020-10-11 16:40:02,252 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-11 16:40:03,540 INFO L129 PetriNetUnfolder]: 223/1432 cut-off events. [2020-10-11 16:40:03,540 INFO L130 PetriNetUnfolder]: For 774/776 co-relation queries the response was YES. [2020-10-11 16:40:03,554 INFO L80 FinitePrefix]: Finished finitePrefix Result has 2654 conditions, 1432 events. 223/1432 cut-off events. For 774/776 co-relation queries the response was YES. Maximal size of possible extension queue 47. Compared 7775 event pairs, 80 based on Foata normal form. 1/1378 useless extension candidates. Maximal degree in co-relation 2629. Up to 379 conditions per place. [2020-10-11 16:40:03,562 INFO L132 encePairwiseOnDemand]: 221/244 looper letters, 43 selfloop transitions, 47 changer transitions 0/262 dead transitions. [2020-10-11 16:40:03,562 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 292 places, 262 transitions, 1177 flow [2020-10-11 16:40:03,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-10-11 16:40:03,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2020-10-11 16:40:03,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 3192 transitions. [2020-10-11 16:40:03,572 INFO L551 CegarLoopForPetriNet]: DFA transition density 0.7695274831243973 [2020-10-11 16:40:03,572 INFO L72 ComplementDD]: Start complementDD. Operand 17 states and 3192 transitions. [2020-10-11 16:40:03,572 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 3192 transitions. [2020-10-11 16:40:03,574 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-11 16:40:03,574 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 17 states and 3192 transitions. [2020-10-11 16:40:03,580 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 18 states. [2020-10-11 16:40:03,587 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 18 states. [2020-10-11 16:40:03,587 INFO L81 ComplementDD]: Finished complementDD. Result 18 states. [2020-10-11 16:40:03,588 INFO L185 Difference]: Start difference. First operand has 278 places, 260 transitions, 1001 flow. Second operand 17 states and 3192 transitions. [2020-10-11 16:40:03,588 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 292 places, 262 transitions, 1177 flow [2020-10-11 16:40:03,593 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 16:40:03,598 INFO L241 Difference]: Finished difference. Result has 278 places, 256 transitions, 1007 flow [2020-10-11 16:40:03,598 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 16:40:03,599 INFO L341 CegarLoopForPetriNet]: 223 programPoint places, 55 predicate places. [2020-10-11 16:40:03,599 INFO L481 AbstractCegarLoop]: Abstraction has has 278 places, 256 transitions, 1007 flow [2020-10-11 16:40:03,599 INFO L482 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-10-11 16:40:03,599 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-11 16:40:03,599 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 16:40:03,599 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-11 16:40:03,600 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 16:40:03,600 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 16:40:03,600 INFO L82 PathProgramCache]: Analyzing trace with hash -1696868621, now seen corresponding path program 1 times [2020-10-11 16:40:03,601 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 16:40:03,601 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1687035497] [2020-10-11 16:40:03,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 16:40:03,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 16:40:04,702 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 16:40:04,703 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1687035497] [2020-10-11 16:40:04,703 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-11 16:40:04,703 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2020-10-11 16:40:04,703 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [181997421] [2020-10-11 16:40:04,704 INFO L461 AbstractCegarLoop]: Interpolant automaton has 26 states [2020-10-11 16:40:04,704 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 16:40:04,704 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2020-10-11 16:40:04,705 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=578, Unknown=0, NotChecked=0, Total=650 [2020-10-11 16:40:41,349 INFO L506 CegarLoopForPetriNet]: Number of universal loopers: 166 out of 244 [2020-10-11 16:40:41,352 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 278 places, 256 transitions, 1007 flow. Second operand 26 states. [2020-10-11 16:40:41,352 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-11 16:40:41,352 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 166 of 244 [2020-10-11 16:40:41,352 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-11 16:40:44,215 INFO L129 PetriNetUnfolder]: 189/1321 cut-off events. [2020-10-11 16:40:44,215 INFO L130 PetriNetUnfolder]: For 801/804 co-relation queries the response was YES. [2020-10-11 16:40:44,224 INFO L80 FinitePrefix]: Finished finitePrefix Result has 2461 conditions, 1321 events. 189/1321 cut-off events. For 801/804 co-relation queries the response was YES. Maximal size of possible extension queue 43. Compared 6921 event pairs, 74 based on Foata normal form. 3/1272 useless extension candidates. Maximal degree in co-relation 2439. Up to 390 conditions per place. [2020-10-11 16:40:44,230 INFO L132 encePairwiseOnDemand]: 214/244 looper letters, 76 selfloop transitions, 45 changer transitions 0/286 dead transitions. [2020-10-11 16:40:44,230 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 303 places, 286 transitions, 1353 flow [2020-10-11 16:40:44,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2020-10-11 16:40:44,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2020-10-11 16:40:44,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 4423 transitions. [2020-10-11 16:40:44,239 INFO L551 CegarLoopForPetriNet]: DFA transition density 0.6971941992433796 [2020-10-11 16:40:44,239 INFO L72 ComplementDD]: Start complementDD. Operand 26 states and 4423 transitions. [2020-10-11 16:40:44,239 INFO L73 IsDeterministic]: Start isDeterministic. Operand 26 states and 4423 transitions. [2020-10-11 16:40:44,241 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-11 16:40:44,241 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 26 states and 4423 transitions. [2020-10-11 16:40:44,247 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 27 states. [2020-10-11 16:40:44,254 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 27 states. [2020-10-11 16:40:44,255 INFO L81 ComplementDD]: Finished complementDD. Result 27 states. [2020-10-11 16:40:44,255 INFO L185 Difference]: Start difference. First operand has 278 places, 256 transitions, 1007 flow. Second operand 26 states and 4423 transitions. [2020-10-11 16:40:44,255 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 303 places, 286 transitions, 1353 flow [2020-10-11 16:40:44,261 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 16:40:44,266 INFO L241 Difference]: Finished difference. Result has 299 places, 276 transitions, 1171 flow [2020-10-11 16:40:44,266 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 16:40:44,267 INFO L341 CegarLoopForPetriNet]: 223 programPoint places, 76 predicate places. [2020-10-11 16:40:44,267 INFO L481 AbstractCegarLoop]: Abstraction has has 299 places, 276 transitions, 1171 flow [2020-10-11 16:40:44,267 INFO L482 AbstractCegarLoop]: Interpolant automaton has 26 states. [2020-10-11 16:40:44,267 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-11 16:40:44,267 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 16:40:44,267 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-11 16:40:44,268 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 16:40:44,268 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 16:40:44,268 INFO L82 PathProgramCache]: Analyzing trace with hash -1509945509, now seen corresponding path program 1 times [2020-10-11 16:40:44,268 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 16:40:44,269 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1995154496] [2020-10-11 16:40:44,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 16:40:44,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 16:40:46,015 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 16:40:46,015 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1995154496] [2020-10-11 16:40:46,015 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-11 16:40:46,015 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2020-10-11 16:40:46,015 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1389775006] [2020-10-11 16:40:46,016 INFO L461 AbstractCegarLoop]: Interpolant automaton has 28 states [2020-10-11 16:40:46,016 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 16:40:46,016 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2020-10-11 16:40:46,017 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=677, Unknown=0, NotChecked=0, Total=756 [2020-10-11 16:41:49,031 INFO L506 CegarLoopForPetriNet]: Number of universal loopers: 164 out of 244 [2020-10-11 16:41:49,034 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 299 places, 276 transitions, 1171 flow. Second operand 28 states. [2020-10-11 16:41:49,034 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-11 16:41:49,035 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 164 of 244 [2020-10-11 16:41:49,035 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-11 16:41:49,867 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 50 [2020-10-11 16:41:50,021 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 50 [2020-10-11 16:41:50,544 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 47 [2020-10-11 16:41:50,766 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 47 [2020-10-11 16:41:50,945 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 49 [2020-10-11 16:41:52,362 INFO L129 PetriNetUnfolder]: 193/1420 cut-off events. [2020-10-11 16:41:52,362 INFO L130 PetriNetUnfolder]: For 893/896 co-relation queries the response was YES. [2020-10-11 16:41:52,371 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 7564 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 16:41:52,378 INFO L132 encePairwiseOnDemand]: 213/244 looper letters, 72 selfloop transitions, 58 changer transitions 0/294 dead transitions. [2020-10-11 16:41:52,378 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 325 places, 294 transitions, 1487 flow [2020-10-11 16:41:52,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2020-10-11 16:41:52,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2020-10-11 16:41:52,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 4526 transitions. [2020-10-11 16:41:52,385 INFO L551 CegarLoopForPetriNet]: DFA transition density 0.6870066788099575 [2020-10-11 16:41:52,385 INFO L72 ComplementDD]: Start complementDD. Operand 27 states and 4526 transitions. [2020-10-11 16:41:52,386 INFO L73 IsDeterministic]: Start isDeterministic. Operand 27 states and 4526 transitions. [2020-10-11 16:41:52,387 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-11 16:41:52,387 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 27 states and 4526 transitions. [2020-10-11 16:41:52,392 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 28 states. [2020-10-11 16:41:52,398 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 28 states. [2020-10-11 16:41:52,398 INFO L81 ComplementDD]: Finished complementDD. Result 28 states. [2020-10-11 16:41:52,399 INFO L185 Difference]: Start difference. First operand has 299 places, 276 transitions, 1171 flow. Second operand 27 states and 4526 transitions. [2020-10-11 16:41:52,399 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 325 places, 294 transitions, 1487 flow [2020-10-11 16:41:52,406 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 16:41:52,411 INFO L241 Difference]: Finished difference. Result has 317 places, 283 transitions, 1304 flow [2020-10-11 16:41:52,411 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 16:41:52,412 INFO L341 CegarLoopForPetriNet]: 223 programPoint places, 94 predicate places. [2020-10-11 16:41:52,412 INFO L481 AbstractCegarLoop]: Abstraction has has 317 places, 283 transitions, 1304 flow [2020-10-11 16:41:52,412 INFO L482 AbstractCegarLoop]: Interpolant automaton has 28 states. [2020-10-11 16:41:52,412 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-11 16:41:52,412 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 16:41:52,413 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-11 16:41:52,413 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 16:41:52,413 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 16:41:52,413 INFO L82 PathProgramCache]: Analyzing trace with hash 1842310555, now seen corresponding path program 2 times [2020-10-11 16:41:52,413 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 16:41:52,414 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1647337052] [2020-10-11 16:41:52,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 16:41:52,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 16:41:54,169 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-11 16:41:54,170 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1647337052] [2020-10-11 16:41:54,170 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-11 16:41:54,170 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2020-10-11 16:41:54,171 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [383133339] [2020-10-11 16:41:54,171 INFO L461 AbstractCegarLoop]: Interpolant automaton has 28 states [2020-10-11 16:41:54,171 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 16:41:54,171 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2020-10-11 16:41:54,172 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=678, Unknown=0, NotChecked=0, Total=756 [2020-10-11 16:43:10,148 INFO L506 CegarLoopForPetriNet]: Number of universal loopers: 164 out of 244 [2020-10-11 16:43:10,151 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 317 places, 283 transitions, 1304 flow. Second operand 28 states. [2020-10-11 16:43:10,151 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-11 16:43:10,151 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 164 of 244 [2020-10-11 16:43:10,151 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-11 16:43:11,111 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 49 [2020-10-11 16:43:11,283 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 49 [2020-10-11 16:43:11,460 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 50 [2020-10-11 16:43:11,612 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 46 [2020-10-11 16:43:12,151 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 45 [2020-10-11 16:43:12,364 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 47 [2020-10-11 16:43:12,638 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 47 [2020-10-11 16:43:12,855 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 49 [2020-10-11 16:43:13,024 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 47 [2020-10-11 16:43:13,599 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 56 [2020-10-11 16:43:13,792 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 59 [2020-10-11 16:43:13,960 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 62 [2020-10-11 16:43:14,567 INFO L129 PetriNetUnfolder]: 193/1439 cut-off events. [2020-10-11 16:43:14,567 INFO L130 PetriNetUnfolder]: For 945/947 co-relation queries the response was YES. [2020-10-11 16:43:14,580 INFO L80 FinitePrefix]: Finished finitePrefix Result has 2780 conditions, 1439 events. 193/1439 cut-off events. For 945/947 co-relation queries the response was YES. Maximal size of possible extension queue 42. Compared 7787 event pairs, 76 based on Foata normal form. 1/1384 useless extension candidates. Maximal degree in co-relation 2742. Up to 316 conditions per place. [2020-10-11 16:43:14,587 INFO L132 encePairwiseOnDemand]: 212/244 looper letters, 71 selfloop transitions, 63 changer transitions 0/298 dead transitions. [2020-10-11 16:43:14,587 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 345 places, 298 transitions, 1631 flow [2020-10-11 16:43:14,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-10-11 16:43:14,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2020-10-11 16:43:14,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 4852 transitions. [2020-10-11 16:43:14,595 INFO L551 CegarLoopForPetriNet]: DFA transition density 0.6856981345392877 [2020-10-11 16:43:14,595 INFO L72 ComplementDD]: Start complementDD. Operand 29 states and 4852 transitions. [2020-10-11 16:43:14,595 INFO L73 IsDeterministic]: Start isDeterministic. Operand 29 states and 4852 transitions. [2020-10-11 16:43:14,597 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-11 16:43:14,597 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 29 states and 4852 transitions. [2020-10-11 16:43:14,602 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 30 states. [2020-10-11 16:43:14,609 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 30 states. [2020-10-11 16:43:14,610 INFO L81 ComplementDD]: Finished complementDD. Result 30 states. [2020-10-11 16:43:14,610 INFO L185 Difference]: Start difference. First operand has 317 places, 283 transitions, 1304 flow. Second operand 29 states and 4852 transitions. [2020-10-11 16:43:14,610 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 345 places, 298 transitions, 1631 flow [2020-10-11 16:43:14,619 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 16:43:14,624 INFO L241 Difference]: Finished difference. Result has 329 places, 288 transitions, 1423 flow [2020-10-11 16:43:14,625 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 16:43:14,625 INFO L341 CegarLoopForPetriNet]: 223 programPoint places, 106 predicate places. [2020-10-11 16:43:14,625 INFO L481 AbstractCegarLoop]: Abstraction has has 329 places, 288 transitions, 1423 flow [2020-10-11 16:43:14,626 INFO L482 AbstractCegarLoop]: Interpolant automaton has 28 states. [2020-10-11 16:43:14,626 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-11 16:43:14,626 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 16:43:14,626 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-11 16:43:14,626 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 16:43:14,627 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 16:43:14,627 INFO L82 PathProgramCache]: Analyzing trace with hash -1401636619, now seen corresponding path program 3 times [2020-10-11 16:43:14,627 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 16:43:14,627 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1573655201] [2020-10-11 16:43:14,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 16:43:14,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 16:43:16,199 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 28 [2020-10-11 16:43:16,655 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 16:43:16,655 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1573655201] [2020-10-11 16:43:16,656 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-11 16:43:16,656 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2020-10-11 16:43:16,656 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1762583495] [2020-10-11 16:43:16,656 INFO L461 AbstractCegarLoop]: Interpolant automaton has 28 states [2020-10-11 16:43:16,656 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 16:43:16,657 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2020-10-11 16:43:16,657 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=678, Unknown=0, NotChecked=0, Total=756 [2020-10-11 16:44:32,941 INFO L506 CegarLoopForPetriNet]: Number of universal loopers: 164 out of 244 [2020-10-11 16:44:32,947 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 329 places, 288 transitions, 1423 flow. Second operand 28 states. [2020-10-11 16:44:32,948 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-11 16:44:32,948 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 164 of 244 [2020-10-11 16:44:32,948 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-11 16:44:33,897 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 44 [2020-10-11 16:44:34,082 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 49 [2020-10-11 16:44:34,281 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 49 [2020-10-11 16:44:34,482 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 50 [2020-10-11 16:44:34,659 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 46 [2020-10-11 16:44:35,030 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 41 [2020-10-11 16:44:35,259 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 45 [2020-10-11 16:44:35,474 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 47 [2020-10-11 16:44:35,819 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 47 [2020-10-11 16:44:36,049 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 49 [2020-10-11 16:44:36,288 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 47 [2020-10-11 16:44:36,447 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 45 [2020-10-11 16:44:36,798 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 46 [2020-10-11 16:44:37,016 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 58 [2020-10-11 16:44:37,200 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 61 [2020-10-11 16:44:37,443 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 64 [2020-10-11 16:44:37,887 INFO L129 PetriNetUnfolder]: 135/1108 cut-off events. [2020-10-11 16:44:37,888 INFO L130 PetriNetUnfolder]: For 947/950 co-relation queries the response was YES. [2020-10-11 16:44:37,894 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 5254 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 16:44:37,897 INFO L132 encePairwiseOnDemand]: 214/244 looper letters, 64 selfloop transitions, 61 changer transitions 0/281 dead transitions. [2020-10-11 16:44:37,898 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 348 places, 281 transitions, 1643 flow [2020-10-11 16:44:37,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2020-10-11 16:44:37,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2020-10-11 16:44:37,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 4674 transitions. [2020-10-11 16:44:37,905 INFO L551 CegarLoopForPetriNet]: DFA transition density 0.6841334894613583 [2020-10-11 16:44:37,905 INFO L72 ComplementDD]: Start complementDD. Operand 28 states and 4674 transitions. [2020-10-11 16:44:37,905 INFO L73 IsDeterministic]: Start isDeterministic. Operand 28 states and 4674 transitions. [2020-10-11 16:44:37,907 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-11 16:44:37,907 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 28 states and 4674 transitions. [2020-10-11 16:44:37,912 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 29 states. [2020-10-11 16:44:37,919 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 29 states. [2020-10-11 16:44:37,919 INFO L81 ComplementDD]: Finished complementDD. Result 29 states. [2020-10-11 16:44:37,920 INFO L185 Difference]: Start difference. First operand has 329 places, 288 transitions, 1423 flow. Second operand 28 states and 4674 transitions. [2020-10-11 16:44:37,920 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 348 places, 281 transitions, 1643 flow [2020-10-11 16:44:37,928 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 16:44:37,933 INFO L241 Difference]: Finished difference. Result has 316 places, 277 transitions, 1384 flow [2020-10-11 16:44:37,934 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 16:44:37,934 INFO L341 CegarLoopForPetriNet]: 223 programPoint places, 93 predicate places. [2020-10-11 16:44:37,935 INFO L481 AbstractCegarLoop]: Abstraction has has 316 places, 277 transitions, 1384 flow [2020-10-11 16:44:37,935 INFO L482 AbstractCegarLoop]: Interpolant automaton has 28 states. [2020-10-11 16:44:37,935 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-11 16:44:37,935 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 16:44:37,935 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-11 16:44:37,936 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 16:44:37,936 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 16:44:37,936 INFO L82 PathProgramCache]: Analyzing trace with hash 859184451, now seen corresponding path program 1 times [2020-10-11 16:44:37,936 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 16:44:37,936 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2068564742] [2020-10-11 16:44:37,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 16:44:37,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 16:44:38,019 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 16:44:38,020 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2068564742] [2020-10-11 16:44:38,020 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-11 16:44:38,020 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-11 16:44:38,021 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [409781706] [2020-10-11 16:44:38,021 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-11 16:44:38,021 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 16:44:38,022 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-11 16:44:38,022 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-11 16:44:38,147 INFO L506 CegarLoopForPetriNet]: Number of universal loopers: 230 out of 244 [2020-10-11 16:44:38,148 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 316 places, 277 transitions, 1384 flow. Second operand 3 states. [2020-10-11 16:44:38,148 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-11 16:44:38,149 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 230 of 244 [2020-10-11 16:44:38,149 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-11 16:44:38,391 INFO L129 PetriNetUnfolder]: 50/912 cut-off events. [2020-10-11 16:44:38,391 INFO L130 PetriNetUnfolder]: For 614/619 co-relation queries the response was YES. [2020-10-11 16:44:38,397 INFO L80 FinitePrefix]: Finished finitePrefix Result has 1618 conditions, 912 events. 50/912 cut-off events. For 614/619 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 4030 event pairs, 5 based on Foata normal form. 26/905 useless extension candidates. Maximal degree in co-relation 1583. Up to 26 conditions per place. [2020-10-11 16:44:38,404 INFO L132 encePairwiseOnDemand]: 238/244 looper letters, 2 selfloop transitions, 6 changer transitions 0/275 dead transitions. [2020-10-11 16:44:38,405 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 318 places, 275 transitions, 1382 flow [2020-10-11 16:44:38,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-11 16:44:38,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-10-11 16:44:38,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 701 transitions. [2020-10-11 16:44:38,409 INFO L551 CegarLoopForPetriNet]: DFA transition density 0.9576502732240437 [2020-10-11 16:44:38,410 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 701 transitions. [2020-10-11 16:44:38,410 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 701 transitions. [2020-10-11 16:44:38,411 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-11 16:44:38,411 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 701 transitions. [2020-10-11 16:44:38,412 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 4 states. [2020-10-11 16:44:38,412 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 4 states. [2020-10-11 16:44:38,412 INFO L81 ComplementDD]: Finished complementDD. Result 4 states. [2020-10-11 16:44:38,413 INFO L185 Difference]: Start difference. First operand has 316 places, 277 transitions, 1384 flow. Second operand 3 states and 701 transitions. [2020-10-11 16:44:38,413 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 318 places, 275 transitions, 1382 flow [2020-10-11 16:44:38,426 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 16:44:38,431 INFO L241 Difference]: Finished difference. Result has 292 places, 275 transitions, 1267 flow [2020-10-11 16:44:38,432 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 16:44:38,433 INFO L341 CegarLoopForPetriNet]: 223 programPoint places, 69 predicate places. [2020-10-11 16:44:38,433 INFO L481 AbstractCegarLoop]: Abstraction has has 292 places, 275 transitions, 1267 flow [2020-10-11 16:44:38,433 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-11 16:44:38,433 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-11 16:44:38,433 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 16:44:38,434 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-11 16:44:38,436 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 16:44:38,437 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 16:44:38,437 INFO L82 PathProgramCache]: Analyzing trace with hash -1665884962, now seen corresponding path program 1 times [2020-10-11 16:44:38,437 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 16:44:38,438 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [971064423] [2020-10-11 16:44:38,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 16:44:38,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 16:44:40,393 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 16:44:40,394 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [971064423] [2020-10-11 16:44:40,394 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-11 16:44:40,394 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2020-10-11 16:44:40,394 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1552617341] [2020-10-11 16:44:40,395 INFO L461 AbstractCegarLoop]: Interpolant automaton has 26 states [2020-10-11 16:44:40,395 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 16:44:40,395 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2020-10-11 16:44:40,395 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=95, Invalid=555, Unknown=0, NotChecked=0, Total=650 [2020-10-11 16:45:49,401 INFO L506 CegarLoopForPetriNet]: Number of universal loopers: 174 out of 244 [2020-10-11 16:45:49,404 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 292 places, 275 transitions, 1267 flow. Second operand 26 states. [2020-10-11 16:45:49,404 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-11 16:45:49,404 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 174 of 244 [2020-10-11 16:45:49,404 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-11 16:45:50,374 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 38 [2020-10-11 16:45:50,627 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 37 [2020-10-11 16:45:50,847 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 42 [2020-10-11 16:45:51,041 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 44 [2020-10-11 16:45:51,293 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 46 [2020-10-11 16:45:51,513 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 44 [2020-10-11 16:45:51,722 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 46 [2020-10-11 16:45:51,937 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 52 [2020-10-11 16:45:52,099 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 50 [2020-10-11 16:45:52,312 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 51 [2020-10-11 16:45:52,852 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 44 [2020-10-11 16:45:53,074 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 53 [2020-10-11 16:45:53,305 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 57 [2020-10-11 16:45:53,622 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 57 [2020-10-11 16:45:54,235 INFO L129 PetriNetUnfolder]: 86/1015 cut-off events. [2020-10-11 16:45:54,235 INFO L130 PetriNetUnfolder]: For 869/877 co-relation queries the response was YES. [2020-10-11 16:45:54,239 INFO L80 FinitePrefix]: Finished finitePrefix Result has 2077 conditions, 1015 events. 86/1015 cut-off events. For 869/877 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 4598 event pairs, 8 based on Foata normal form. 5/980 useless extension candidates. Maximal degree in co-relation 2042. Up to 110 conditions per place. [2020-10-11 16:45:54,241 INFO L132 encePairwiseOnDemand]: 213/244 looper letters, 72 selfloop transitions, 58 changer transitions 0/295 dead transitions. [2020-10-11 16:45:54,242 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 318 places, 295 transitions, 1643 flow [2020-10-11 16:45:54,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2020-10-11 16:45:54,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2020-10-11 16:45:54,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 4786 transitions. [2020-10-11 16:45:54,249 INFO L551 CegarLoopForPetriNet]: DFA transition density 0.7264723740133576 [2020-10-11 16:45:54,249 INFO L72 ComplementDD]: Start complementDD. Operand 27 states and 4786 transitions. [2020-10-11 16:45:54,250 INFO L73 IsDeterministic]: Start isDeterministic. Operand 27 states and 4786 transitions. [2020-10-11 16:45:54,250 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-11 16:45:54,250 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 27 states and 4786 transitions. [2020-10-11 16:45:54,254 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 28 states. [2020-10-11 16:45:54,261 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 28 states. [2020-10-11 16:45:54,261 INFO L81 ComplementDD]: Finished complementDD. Result 28 states. [2020-10-11 16:45:54,261 INFO L185 Difference]: Start difference. First operand has 292 places, 275 transitions, 1267 flow. Second operand 27 states and 4786 transitions. [2020-10-11 16:45:54,261 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 318 places, 295 transitions, 1643 flow [2020-10-11 16:45:54,272 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 16:45:54,276 INFO L241 Difference]: Finished difference. Result has 323 places, 283 transitions, 1439 flow [2020-10-11 16:45:54,277 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 16:45:54,278 INFO L341 CegarLoopForPetriNet]: 223 programPoint places, 100 predicate places. [2020-10-11 16:45:54,278 INFO L481 AbstractCegarLoop]: Abstraction has has 323 places, 283 transitions, 1439 flow [2020-10-11 16:45:54,278 INFO L482 AbstractCegarLoop]: Interpolant automaton has 26 states. [2020-10-11 16:45:54,278 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-11 16:45:54,278 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 16:45:54,278 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-11 16:45:54,278 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 16:45:54,278 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 16:45:54,279 INFO L82 PathProgramCache]: Analyzing trace with hash 1477363163, now seen corresponding path program 1 times [2020-10-11 16:45:54,279 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 16:45:54,279 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2052596751] [2020-10-11 16:45:54,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 16:45:54,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 16:45:55,333 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 27 [2020-10-11 16:45:55,587 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 32 [2020-10-11 16:45:56,220 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 22 [2020-10-11 16:45:56,534 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 25 [2020-10-11 16:45:56,876 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 25 [2020-10-11 16:45:57,142 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 20 [2020-10-11 16:45:57,355 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 27 [2020-10-11 16:45:58,062 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 26 [2020-10-11 16:45:58,379 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 34 [2020-10-11 16:45:58,615 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 21 [2020-10-11 16:45:59,409 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 16:45:59,409 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2052596751] [2020-10-11 16:45:59,409 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-11 16:45:59,409 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [34] imperfect sequences [] total 34 [2020-10-11 16:45:59,410 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [249178729] [2020-10-11 16:45:59,410 INFO L461 AbstractCegarLoop]: Interpolant automaton has 34 states [2020-10-11 16:45:59,411 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 16:45:59,411 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2020-10-11 16:45:59,411 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=145, Invalid=977, Unknown=0, NotChecked=0, Total=1122 [2020-10-11 16:49:07,785 INFO L506 CegarLoopForPetriNet]: Number of universal loopers: 158 out of 244 [2020-10-11 16:49:07,787 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 323 places, 283 transitions, 1439 flow. Second operand 34 states. [2020-10-11 16:49:07,788 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-11 16:49:07,788 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 158 of 244 [2020-10-11 16:49:07,788 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-11 16:49:08,806 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 36 [2020-10-11 16:49:09,266 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 41 [2020-10-11 16:49:09,578 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 46 [2020-10-11 16:49:09,887 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 50 [2020-10-11 16:49:10,243 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 50 [2020-10-11 16:49:10,773 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 40 [2020-10-11 16:49:11,174 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 44 [2020-10-11 16:49:11,509 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 48 [2020-10-11 16:49:12,060 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 49 [2020-10-11 16:49:12,432 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 50 [2020-10-11 16:49:12,782 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 52 [2020-10-11 16:49:13,137 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 49 [2020-10-11 16:49:13,431 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 47 [2020-10-11 16:49:13,727 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 47 [2020-10-11 16:49:14,116 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 51 [2020-10-11 16:49:14,489 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 47 [2020-10-11 16:49:14,904 WARN L193 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 55 [2020-10-11 16:49:15,483 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 39 [2020-10-11 16:49:15,792 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 46 [2020-10-11 16:49:15,977 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 35 [2020-10-11 16:49:16,237 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 54 [2020-10-11 16:49:16,444 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 28 [2020-10-11 16:49:16,808 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 57 [2020-10-11 16:49:17,300 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 32 [2020-10-11 16:49:17,355 INFO L129 PetriNetUnfolder]: 188/1449 cut-off events. [2020-10-11 16:49:17,355 INFO L130 PetriNetUnfolder]: For 1411/1416 co-relation queries the response was YES. [2020-10-11 16:49:17,362 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 7218 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 16:49:17,366 INFO L132 encePairwiseOnDemand]: 206/244 looper letters, 104 selfloop transitions, 66 changer transitions 0/324 dead transitions. [2020-10-11 16:49:17,366 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 354 places, 324 transitions, 1934 flow [2020-10-11 16:49:17,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2020-10-11 16:49:17,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2020-10-11 16:49:17,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 5186 transitions. [2020-10-11 16:49:17,377 INFO L551 CegarLoopForPetriNet]: DFA transition density 0.6641905737704918 [2020-10-11 16:49:17,377 INFO L72 ComplementDD]: Start complementDD. Operand 32 states and 5186 transitions. [2020-10-11 16:49:17,377 INFO L73 IsDeterministic]: Start isDeterministic. Operand 32 states and 5186 transitions. [2020-10-11 16:49:17,379 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-11 16:49:17,380 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 32 states and 5186 transitions. [2020-10-11 16:49:17,385 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 33 states. [2020-10-11 16:49:17,392 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 33 states. [2020-10-11 16:49:17,392 INFO L81 ComplementDD]: Finished complementDD. Result 33 states. [2020-10-11 16:49:17,392 INFO L185 Difference]: Start difference. First operand has 323 places, 283 transitions, 1439 flow. Second operand 32 states and 5186 transitions. [2020-10-11 16:49:17,392 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 354 places, 324 transitions, 1934 flow [2020-10-11 16:49:17,405 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 16:49:17,411 INFO L241 Difference]: Finished difference. Result has 341 places, 292 transitions, 1528 flow [2020-10-11 16:49:17,412 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 16:49:17,413 INFO L341 CegarLoopForPetriNet]: 223 programPoint places, 118 predicate places. [2020-10-11 16:49:17,413 INFO L481 AbstractCegarLoop]: Abstraction has has 341 places, 292 transitions, 1528 flow [2020-10-11 16:49:17,413 INFO L482 AbstractCegarLoop]: Interpolant automaton has 34 states. [2020-10-11 16:49:17,413 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-11 16:49:17,413 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 16:49:17,414 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-10-11 16:49:17,414 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 16:49:17,414 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 16:49:17,414 INFO L82 PathProgramCache]: Analyzing trace with hash -801141496, now seen corresponding path program 1 times [2020-10-11 16:49:17,414 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 16:49:17,415 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [843266506] [2020-10-11 16:49:17,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 16:49:17,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat Received shutdown request... [2020-10-11 16:52:15,940 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-10-11 16:52:15,944 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-10-11 16:52:15,945 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-10-11 16:52:15,946 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-10-11 16:52:15,947 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-10-11 16:52:15,948 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-10-11 16:52:15,949 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-10-11 16:52:15,950 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-10-11 16:52:15,951 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-10-11 16:52:15,958 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-10-11 16:52:15,959 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-10-11 16:52:15,960 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-10-11 16:52:15,967 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-10-11 16:52:15,971 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-10-11 16:52:15,972 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-10-11 16:52:15,977 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-10-11 16:52:15,978 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-10-11 16:52:15,980 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-10-11 16:52:15,981 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-10-11 16:52:15,982 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-10-11 16:52:15,984 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-10-11 16:52:15,985 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-10-11 16:52:15,985 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-10-11 16:52:15,986 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-10-11 16:52:15,986 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-10-11 16:52:15,987 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-10-11 16:52:15,987 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-10-11 16:52:15,988 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-10-11 16:52:15,988 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-10-11 16:52:15,989 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-10-11 16:52:15,989 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-10-11 16:52:15,990 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-10-11 16:52:15,991 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-10-11 16:52:15,992 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-10-11 16:52:15,993 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-10-11 16:52:15,993 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-10-11 16:52:15,994 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-10-11 16:52:15,995 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-10-11 16:52:15,995 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-10-11 16:52:15,995 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-10-11 16:52:15,996 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-10-11 16:52:15,999 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-10-11 16:52:16,000 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-10-11 16:52:16,000 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-10-11 16:52:16,005 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-10-11 16:52:16,005 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-10-11 16:52:16,005 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-10-11 16:52:16,006 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-10-11 16:52:16,006 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-10-11 16:52:16,008 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-10-11 16:52:16,008 WARN L546 AbstractCegarLoop]: Verification canceled [2020-10-11 16:52:16,016 WARN L235 ceAbstractionStarter]: Timeout [2020-10-11 16:52:16,017 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 04:52:16 BasicIcfg [2020-10-11 16:52:16,017 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-11 16:52:16,020 INFO L168 Benchmark]: Toolchain (without parser) took 804726.05 ms. Allocated memory was 252.2 MB in the beginning and 5.8 GB in the end (delta: 5.6 GB). Free memory was 204.6 MB in the beginning and 4.9 GB in the end (delta: -4.7 GB). Peak memory consumption was 5.0 GB. Max. memory is 14.2 GB. [2020-10-11 16:52:16,020 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 252.2 MB. Free memory is still 226.0 MB. There was no memory consumed. Max. memory is 14.2 GB. [2020-10-11 16:52:16,021 INFO L168 Benchmark]: CACSL2BoogieTranslator took 982.93 ms. Allocated memory was 252.2 MB in the beginning and 317.2 MB in the end (delta: 65.0 MB). Free memory was 204.6 MB in the beginning and 246.8 MB in the end (delta: -42.2 MB). Peak memory consumption was 33.6 MB. Max. memory is 14.2 GB. [2020-10-11 16:52:16,021 INFO L168 Benchmark]: Boogie Procedure Inliner took 95.69 ms. Allocated memory is still 317.2 MB. Free memory was 246.8 MB in the beginning and 241.8 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 14.2 GB. [2020-10-11 16:52:16,021 INFO L168 Benchmark]: Boogie Preprocessor took 71.54 ms. Allocated memory is still 317.2 MB. Free memory was 241.8 MB in the beginning and 239.3 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. [2020-10-11 16:52:16,022 INFO L168 Benchmark]: RCFGBuilder took 679.25 ms. Allocated memory is still 317.2 MB. Free memory was 239.3 MB in the beginning and 191.8 MB in the end (delta: 47.5 MB). Peak memory consumption was 47.5 MB. Max. memory is 14.2 GB. [2020-10-11 16:52:16,031 INFO L168 Benchmark]: TraceAbstraction took 802887.99 ms. Allocated memory was 317.2 MB in the beginning and 5.8 GB in the end (delta: 5.5 GB). Free memory was 191.8 MB in the beginning and 4.9 GB in the end (delta: -4.7 GB). Peak memory consumption was 5.0 GB. Max. memory is 14.2 GB. [2020-10-11 16:52:16,034 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 252.2 MB. Free memory is still 226.0 MB. There was no memory consumed. Max. memory is 14.2 GB. * CACSL2BoogieTranslator took 982.93 ms. Allocated memory was 252.2 MB in the beginning and 317.2 MB in the end (delta: 65.0 MB). Free memory was 204.6 MB in the beginning and 246.8 MB in the end (delta: -42.2 MB). Peak memory consumption was 33.6 MB. Max. memory is 14.2 GB. * Boogie Procedure Inliner took 95.69 ms. Allocated memory is still 317.2 MB. Free memory was 246.8 MB in the beginning and 241.8 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 14.2 GB. * Boogie Preprocessor took 71.54 ms. Allocated memory is still 317.2 MB. Free memory was 241.8 MB in the beginning and 239.3 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. * RCFGBuilder took 679.25 ms. Allocated memory is still 317.2 MB. Free memory was 239.3 MB in the beginning and 191.8 MB in the end (delta: 47.5 MB). Peak memory consumption was 47.5 MB. Max. memory is 14.2 GB. * TraceAbstraction took 802887.99 ms. Allocated memory was 317.2 MB in the beginning and 5.8 GB in the end (delta: 5.5 GB). Free memory was 191.8 MB in the beginning and 4.9 GB in the end (delta: -4.7 GB). Peak memory consumption was 5.0 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: 802.6s, OverallIterations: 17, TraceHistogramMax: 1, AutomataDifference: 606.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 4569 SDtfs, 11941 SDslu, 51274 SDs, 0 SdLazy, 77807 SolverSat, 996 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 94.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 515 GetRequests, 46 SyntacticMatches, 19 SemanticMatches, 450 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4252 ImplicationChecksByTransitivity, 36.8s 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, 15.5s InterpolantComputationTime, 1660 NumberOfCodeBlocks, 1660 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 1644 ConstructedInterpolants, 0 QuantifiedInterpolants, 2131250 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