/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-RepeatedSemanticLbeWithPredicates.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/mix055_power.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-6f4246e9f5583d222ebb38ff8175c901f3a528f0-6f4246e [2021-04-28 22:21:38,039 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-04-28 22:21:38,042 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-04-28 22:21:38,099 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-04-28 22:21:38,100 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-04-28 22:21:38,102 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-04-28 22:21:38,104 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-04-28 22:21:38,107 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-04-28 22:21:38,109 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-04-28 22:21:38,110 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-04-28 22:21:38,112 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-04-28 22:21:38,113 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-04-28 22:21:38,114 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-04-28 22:21:38,115 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-04-28 22:21:38,117 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-04-28 22:21:38,118 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-04-28 22:21:38,119 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-04-28 22:21:38,120 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-04-28 22:21:38,122 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-04-28 22:21:38,125 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-04-28 22:21:38,127 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-04-28 22:21:38,129 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-04-28 22:21:38,130 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-04-28 22:21:38,132 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-04-28 22:21:38,135 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-04-28 22:21:38,135 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-04-28 22:21:38,136 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-04-28 22:21:38,137 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-04-28 22:21:38,138 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-04-28 22:21:38,139 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-04-28 22:21:38,139 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-04-28 22:21:38,140 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-04-28 22:21:38,142 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-04-28 22:21:38,142 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-04-28 22:21:38,144 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-04-28 22:21:38,144 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-04-28 22:21:38,145 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-04-28 22:21:38,146 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-04-28 22:21:38,146 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-04-28 22:21:38,147 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-04-28 22:21:38,148 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-04-28 22:21:38,150 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-RepeatedSemanticLbeWithPredicates.epf [2021-04-28 22:21:38,198 INFO L113 SettingsManager]: Loading preferences was successful [2021-04-28 22:21:38,198 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-04-28 22:21:38,200 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-04-28 22:21:38,201 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-04-28 22:21:38,203 INFO L138 SettingsManager]: * Use SBE=true [2021-04-28 22:21:38,203 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-04-28 22:21:38,204 INFO L138 SettingsManager]: * sizeof long=4 [2021-04-28 22:21:38,205 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-04-28 22:21:38,205 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-04-28 22:21:38,205 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-04-28 22:21:38,206 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-04-28 22:21:38,206 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-04-28 22:21:38,206 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-04-28 22:21:38,206 INFO L138 SettingsManager]: * sizeof long double=12 [2021-04-28 22:21:38,207 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-04-28 22:21:38,208 INFO L138 SettingsManager]: * Use constant arrays=true [2021-04-28 22:21:38,208 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-04-28 22:21:38,209 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-04-28 22:21:38,209 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-04-28 22:21:38,209 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-04-28 22:21:38,210 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-04-28 22:21:38,210 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-04-28 22:21:38,210 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-04-28 22:21:38,211 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-04-28 22:21:38,211 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-04-28 22:21:38,211 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-04-28 22:21:38,211 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-04-28 22:21:38,212 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=SEMANTIC_BASED_MOVER_CHECK_WITH_PREDICATES [2021-04-28 22:21:38,212 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-04-28 22:21:38,212 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-04-28 22:21:38,212 INFO L138 SettingsManager]: * Apply repeated Lipton Reduction=true WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-04-28 22:21:38,597 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-04-28 22:21:38,627 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-04-28 22:21:38,630 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-04-28 22:21:38,632 INFO L271 PluginConnector]: Initializing CDTParser... [2021-04-28 22:21:38,632 INFO L275 PluginConnector]: CDTParser initialized [2021-04-28 22:21:38,633 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix055_power.opt.i [2021-04-28 22:21:38,726 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5ecc18099/798728155dc049e69ec158f711199a58/FLAG3865437ba [2021-04-28 22:21:39,421 INFO L306 CDTParser]: Found 1 translation units. [2021-04-28 22:21:39,422 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix055_power.opt.i [2021-04-28 22:21:39,450 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5ecc18099/798728155dc049e69ec158f711199a58/FLAG3865437ba [2021-04-28 22:21:39,680 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5ecc18099/798728155dc049e69ec158f711199a58 [2021-04-28 22:21:39,683 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-04-28 22:21:39,733 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-04-28 22:21:39,735 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-04-28 22:21:39,735 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-04-28 22:21:39,739 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-04-28 22:21:39,740 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.04 10:21:39" (1/1) ... [2021-04-28 22:21:39,741 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@431cc78b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 10:21:39, skipping insertion in model container [2021-04-28 22:21:39,742 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.04 10:21:39" (1/1) ... [2021-04-28 22:21:39,750 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-04-28 22:21:39,798 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-04-28 22:21:39,997 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix055_power.opt.i[950,963] [2021-04-28 22:21:40,348 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-04-28 22:21:40,364 INFO L203 MainTranslator]: Completed pre-run [2021-04-28 22:21:40,379 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix055_power.opt.i[950,963] [2021-04-28 22:21:40,483 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-04-28 22:21:40,637 INFO L208 MainTranslator]: Completed translation [2021-04-28 22:21:40,637 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 10:21:40 WrapperNode [2021-04-28 22:21:40,639 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-04-28 22:21:40,641 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-04-28 22:21:40,642 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-04-28 22:21:40,642 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-04-28 22:21:40,650 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 10:21:40" (1/1) ... [2021-04-28 22:21:40,676 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 10:21:40" (1/1) ... [2021-04-28 22:21:40,716 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-04-28 22:21:40,717 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-04-28 22:21:40,717 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-04-28 22:21:40,717 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-04-28 22:21:40,727 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 10:21:40" (1/1) ... [2021-04-28 22:21:40,727 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 10:21:40" (1/1) ... [2021-04-28 22:21:40,732 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 10:21:40" (1/1) ... [2021-04-28 22:21:40,733 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 10:21:40" (1/1) ... [2021-04-28 22:21:40,744 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 10:21:40" (1/1) ... [2021-04-28 22:21:40,748 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 10:21:40" (1/1) ... [2021-04-28 22:21:40,752 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 10:21:40" (1/1) ... [2021-04-28 22:21:40,757 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-04-28 22:21:40,759 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-04-28 22:21:40,759 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-04-28 22:21:40,759 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-04-28 22:21:40,760 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 10:21:40" (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 [2021-04-28 22:21:40,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-04-28 22:21:40,882 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-04-28 22:21:40,882 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-04-28 22:21:40,882 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-04-28 22:21:40,883 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-04-28 22:21:40,883 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-04-28 22:21:40,884 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-04-28 22:21:40,884 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-04-28 22:21:40,884 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-04-28 22:21:40,885 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-04-28 22:21:40,885 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2021-04-28 22:21:40,885 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2021-04-28 22:21:40,886 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-04-28 22:21:40,886 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-04-28 22:21:40,886 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-04-28 22:21:40,886 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-04-28 22:21:40,889 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-04-28 22:21:42,872 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-04-28 22:21:42,872 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-04-28 22:21:42,875 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.04 10:21:42 BoogieIcfgContainer [2021-04-28 22:21:42,875 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-04-28 22:21:42,876 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-04-28 22:21:42,877 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-04-28 22:21:42,880 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-04-28 22:21:42,880 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.04 10:21:39" (1/3) ... [2021-04-28 22:21:42,881 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a35f8f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.04 10:21:42, skipping insertion in model container [2021-04-28 22:21:42,881 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 10:21:40" (2/3) ... [2021-04-28 22:21:42,882 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a35f8f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.04 10:21:42, skipping insertion in model container [2021-04-28 22:21:42,882 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.04 10:21:42" (3/3) ... [2021-04-28 22:21:42,884 INFO L111 eAbstractionObserver]: Analyzing ICFG mix055_power.opt.i [2021-04-28 22:21:42,891 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-04-28 22:21:42,897 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2021-04-28 22:21:42,898 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-04-28 22:21:42,934 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:21:42,934 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:21:42,935 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:21:42,935 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:21:42,935 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:21:42,935 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:21:42,935 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:21:42,935 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:21:42,936 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:21:42,936 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:21:42,936 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:21:42,936 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:21:42,937 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:21:42,937 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:21:42,937 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:21:42,937 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:21:42,937 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:21:42,938 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:21:42,938 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:21:42,938 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:21:42,938 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:21:42,938 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:21:42,939 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:21:42,939 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:21:42,939 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:21:42,939 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:21:42,939 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:21:42,940 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:21:42,940 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:21:42,940 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:21:42,940 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:21:42,940 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:21:42,941 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:21:42,941 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:21:42,941 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:21:42,941 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:21:42,941 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:21:42,941 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:21:42,942 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:21:42,942 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:21:42,942 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:21:42,942 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:21:42,943 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:21:42,943 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:21:42,943 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:21:42,943 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:21:42,944 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:21:42,944 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:21:42,944 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:21:42,944 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:21:42,945 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:21:42,945 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:21:42,945 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:21:42,945 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:21:42,946 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:21:42,946 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:21:42,946 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:21:42,946 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:21:42,946 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:21:42,946 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:21:42,947 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:21:42,947 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:21:42,947 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:21:42,947 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:21:42,948 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:21:42,948 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:21:42,948 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:21:42,948 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:21:42,948 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:21:42,949 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:21:42,949 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:21:42,949 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:21:42,949 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:21:42,950 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:21:42,950 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:21:42,950 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:21:42,950 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:21:42,950 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:21:42,950 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:21:42,951 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:21:42,951 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:21:42,951 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:21:42,952 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:21:42,952 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:21:42,954 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:21:42,954 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:21:42,954 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:21:42,955 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:21:42,956 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:21:42,957 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:21:42,957 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:21:42,957 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:21:42,957 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:21:42,958 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:21:42,958 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:21:42,958 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:21:42,958 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:21:42,958 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:21:42,960 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:21:42,960 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:21:42,960 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:21:42,961 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:21:42,961 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:21:42,961 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:21:42,961 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:21:42,961 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:21:42,962 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:21:42,962 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:21:42,962 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:21:42,962 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:21:42,964 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:21:42,964 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:21:42,964 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:21:42,964 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:21:42,965 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-04-28 22:21:42,989 INFO L253 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2021-04-28 22:21:43,015 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-04-28 22:21:43,015 INFO L377 AbstractCegarLoop]: Hoare is false [2021-04-28 22:21:43,015 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-04-28 22:21:43,015 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-04-28 22:21:43,016 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-04-28 22:21:43,016 INFO L381 AbstractCegarLoop]: Difference is false [2021-04-28 22:21:43,016 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-04-28 22:21:43,016 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-04-28 22:21:43,031 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 124 places, 113 transitions, 246 flow [2021-04-28 22:21:43,086 INFO L129 PetriNetUnfolder]: 2/109 cut-off events. [2021-04-28 22:21:43,086 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 22:21:43,092 INFO L84 FinitePrefix]: Finished finitePrefix Result has 122 conditions, 109 events. 2/109 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 78 event pairs, 0 based on Foata normal form. 0/105 useless extension candidates. Maximal degree in co-relation 74. Up to 2 conditions per place. [2021-04-28 22:21:43,092 INFO L82 GeneralOperation]: Start removeDead. Operand has 124 places, 113 transitions, 246 flow [2021-04-28 22:21:43,099 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 120 places, 109 transitions, 230 flow [2021-04-28 22:21:43,101 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 22:21:43,116 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 120 places, 109 transitions, 230 flow [2021-04-28 22:21:43,120 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 120 places, 109 transitions, 230 flow [2021-04-28 22:21:43,123 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 120 places, 109 transitions, 230 flow [2021-04-28 22:21:43,152 INFO L129 PetriNetUnfolder]: 2/109 cut-off events. [2021-04-28 22:21:43,153 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 22:21:43,154 INFO L84 FinitePrefix]: Finished finitePrefix Result has 122 conditions, 109 events. 2/109 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 77 event pairs, 0 based on Foata normal form. 0/105 useless extension candidates. Maximal degree in co-relation 74. Up to 2 conditions per place. [2021-04-28 22:21:43,158 INFO L146 LiptonReduction]: Number of co-enabled transitions 2406 [2021-04-28 22:21:44,752 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 57 [2021-04-28 22:21:47,199 WARN L205 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 228 DAG size of output: 188 [2021-04-28 22:21:47,748 WARN L205 SmtUtils]: Spent 546.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2021-04-28 22:21:50,011 WARN L205 SmtUtils]: Spent 2.26 s on a formula simplification. DAG size of input: 312 DAG size of output: 268 [2021-04-28 22:21:51,078 WARN L205 SmtUtils]: Spent 1.06 s on a formula simplification that was a NOOP. DAG size: 265 [2021-04-28 22:21:52,105 WARN L205 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 60 [2021-04-28 22:21:52,239 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2021-04-28 22:21:52,849 WARN L205 SmtUtils]: Spent 607.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 83 [2021-04-28 22:21:53,078 WARN L205 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2021-04-28 22:21:54,367 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 43 [2021-04-28 22:21:55,722 WARN L205 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 228 DAG size of output: 188 [2021-04-28 22:21:56,252 WARN L205 SmtUtils]: Spent 526.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2021-04-28 22:21:58,724 WARN L205 SmtUtils]: Spent 2.47 s on a formula simplification. DAG size of input: 312 DAG size of output: 267 [2021-04-28 22:21:59,798 WARN L205 SmtUtils]: Spent 1.07 s on a formula simplification that was a NOOP. DAG size: 264 [2021-04-28 22:22:01,097 WARN L205 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 232 DAG size of output: 192 [2021-04-28 22:22:01,692 WARN L205 SmtUtils]: Spent 592.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2021-04-28 22:22:04,287 WARN L205 SmtUtils]: Spent 2.59 s on a formula simplification. DAG size of input: 316 DAG size of output: 272 [2021-04-28 22:22:05,475 WARN L205 SmtUtils]: Spent 1.18 s on a formula simplification that was a NOOP. DAG size: 269 [2021-04-28 22:22:06,792 WARN L205 SmtUtils]: Spent 1.31 s on a formula simplification. DAG size of input: 230 DAG size of output: 190 [2021-04-28 22:22:07,390 WARN L205 SmtUtils]: Spent 595.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2021-04-28 22:22:10,019 WARN L205 SmtUtils]: Spent 2.62 s on a formula simplification. DAG size of input: 314 DAG size of output: 270 [2021-04-28 22:22:11,239 WARN L205 SmtUtils]: Spent 1.22 s on a formula simplification that was a NOOP. DAG size: 267 [2021-04-28 22:22:14,170 WARN L205 SmtUtils]: Spent 1.38 s on a formula simplification. DAG size of input: 231 DAG size of output: 191 [2021-04-28 22:22:14,804 WARN L205 SmtUtils]: Spent 631.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2021-04-28 22:22:17,675 WARN L205 SmtUtils]: Spent 2.87 s on a formula simplification. DAG size of input: 315 DAG size of output: 271 [2021-04-28 22:22:19,043 WARN L205 SmtUtils]: Spent 1.36 s on a formula simplification that was a NOOP. DAG size: 268 [2021-04-28 22:22:21,325 WARN L205 SmtUtils]: Spent 2.28 s on a formula simplification. DAG size of input: 231 DAG size of output: 190 [2021-04-28 22:22:22,029 WARN L205 SmtUtils]: Spent 701.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2021-04-28 22:22:25,156 WARN L205 SmtUtils]: Spent 3.12 s on a formula simplification. DAG size of input: 315 DAG size of output: 271 [2021-04-28 22:22:26,610 WARN L205 SmtUtils]: Spent 1.45 s on a formula simplification that was a NOOP. DAG size: 268 [2021-04-28 22:22:28,213 WARN L205 SmtUtils]: Spent 1.60 s on a formula simplification. DAG size of input: 230 DAG size of output: 190 [2021-04-28 22:22:28,903 WARN L205 SmtUtils]: Spent 688.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2021-04-28 22:22:32,280 WARN L205 SmtUtils]: Spent 3.37 s on a formula simplification. DAG size of input: 314 DAG size of output: 269 [2021-04-28 22:22:33,820 WARN L205 SmtUtils]: Spent 1.54 s on a formula simplification that was a NOOP. DAG size: 266 [2021-04-28 22:22:35,511 WARN L205 SmtUtils]: Spent 1.69 s on a formula simplification. DAG size of input: 228 DAG size of output: 187 [2021-04-28 22:22:36,256 WARN L205 SmtUtils]: Spent 742.00 ms on a formula simplification that was a NOOP. DAG size: 185 [2021-04-28 22:22:39,713 WARN L205 SmtUtils]: Spent 3.45 s on a formula simplification. DAG size of input: 312 DAG size of output: 268 [2021-04-28 22:22:41,291 WARN L205 SmtUtils]: Spent 1.57 s on a formula simplification that was a NOOP. DAG size: 265 [2021-04-28 22:22:46,571 WARN L205 SmtUtils]: Spent 1.96 s on a formula simplification. DAG size of input: 231 DAG size of output: 191 [2021-04-28 22:22:47,433 WARN L205 SmtUtils]: Spent 859.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2021-04-28 22:22:51,187 WARN L205 SmtUtils]: Spent 3.75 s on a formula simplification. DAG size of input: 315 DAG size of output: 271 [2021-04-28 22:22:52,940 WARN L205 SmtUtils]: Spent 1.75 s on a formula simplification that was a NOOP. DAG size: 268 [2021-04-28 22:22:55,788 WARN L205 SmtUtils]: Spent 2.84 s on a formula simplification. DAG size of input: 230 DAG size of output: 189 [2021-04-28 22:22:56,702 WARN L205 SmtUtils]: Spent 911.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2021-04-28 22:23:00,822 WARN L205 SmtUtils]: Spent 4.12 s on a formula simplification. DAG size of input: 314 DAG size of output: 270 [2021-04-28 22:23:02,751 WARN L205 SmtUtils]: Spent 1.93 s on a formula simplification that was a NOOP. DAG size: 267 [2021-04-28 22:23:04,859 WARN L205 SmtUtils]: Spent 2.09 s on a formula simplification. DAG size of input: 228 DAG size of output: 188 [2021-04-28 22:23:05,851 WARN L205 SmtUtils]: Spent 989.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2021-04-28 22:23:10,261 WARN L205 SmtUtils]: Spent 4.41 s on a formula simplification. DAG size of input: 312 DAG size of output: 268 [2021-04-28 22:23:12,217 WARN L205 SmtUtils]: Spent 1.95 s on a formula simplification that was a NOOP. DAG size: 265 [2021-04-28 22:23:15,419 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-04-28 22:23:15,541 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-04-28 22:23:15,666 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-04-28 22:23:15,786 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-04-28 22:23:15,932 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2021-04-28 22:23:16,074 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2021-04-28 22:23:16,223 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2021-04-28 22:23:16,361 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2021-04-28 22:23:16,469 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 48 [2021-04-28 22:23:16,578 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 48 [2021-04-28 22:23:16,684 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 48 [2021-04-28 22:23:16,791 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 48 [2021-04-28 22:23:16,956 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-04-28 22:23:17,106 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-04-28 22:23:17,254 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-04-28 22:23:17,395 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-04-28 22:23:17,528 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2021-04-28 22:23:17,661 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2021-04-28 22:23:17,782 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2021-04-28 22:23:17,914 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2021-04-28 22:23:18,042 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-04-28 22:23:18,170 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-04-28 22:23:18,293 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-04-28 22:23:18,416 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-04-28 22:23:18,542 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2021-04-28 22:23:18,669 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2021-04-28 22:23:18,793 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2021-04-28 22:23:18,908 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2021-04-28 22:23:19,025 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-04-28 22:23:19,145 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-04-28 22:23:19,274 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-04-28 22:23:19,394 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-04-28 22:23:20,174 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 51 [2021-04-28 22:23:20,277 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 51 [2021-04-28 22:23:20,961 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-04-28 22:23:21,073 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-04-28 22:23:21,186 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-04-28 22:23:21,297 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-04-28 22:23:21,761 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2021-04-28 22:23:21,884 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2021-04-28 22:23:22,009 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2021-04-28 22:23:22,136 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2021-04-28 22:23:23,609 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2021-04-28 22:23:23,745 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2021-04-28 22:23:23,863 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2021-04-28 22:23:23,981 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2021-04-28 22:23:24,088 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-04-28 22:23:24,194 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-04-28 22:23:24,299 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-04-28 22:23:24,406 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-04-28 22:23:24,857 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2021-04-28 22:23:24,987 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2021-04-28 22:23:25,118 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2021-04-28 22:23:25,248 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2021-04-28 22:23:25,350 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 48 [2021-04-28 22:23:25,452 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 48 [2021-04-28 22:23:25,555 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 48 [2021-04-28 22:23:25,762 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-04-28 22:23:25,869 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-04-28 22:23:25,975 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-04-28 22:23:26,082 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-04-28 22:23:26,275 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 22:23:26,479 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 22:23:26,660 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 22:23:26,851 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 22:23:27,009 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-28 22:23:27,168 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-28 22:23:27,315 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-28 22:23:27,465 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-28 22:23:27,625 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 22:23:27,786 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 22:23:27,957 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 22:23:28,126 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 22:23:28,308 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 22:23:28,492 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 22:23:28,699 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 22:23:28,910 WARN L205 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 22:23:29,100 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 22:23:29,292 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 22:23:29,480 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 22:23:29,658 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 22:23:29,880 WARN L205 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 22:23:30,095 WARN L205 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 22:23:30,310 WARN L205 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 22:23:30,527 WARN L205 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 22:23:30,697 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 22:23:30,861 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 22:23:31,032 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 22:23:31,219 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 22:23:31,409 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 22:23:31,600 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 22:23:31,781 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 22:23:31,963 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 22:23:32,181 WARN L205 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 22:23:32,417 WARN L205 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 22:23:32,643 WARN L205 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 22:23:32,860 WARN L205 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 22:23:33,027 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-04-28 22:23:33,163 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-04-28 22:23:33,302 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-04-28 22:23:33,440 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-04-28 22:23:33,668 WARN L205 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2021-04-28 22:23:33,894 WARN L205 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2021-04-28 22:23:34,115 WARN L205 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2021-04-28 22:23:34,348 WARN L205 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2021-04-28 22:23:34,487 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-04-28 22:23:34,625 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-04-28 22:23:34,762 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-04-28 22:23:34,900 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-04-28 22:23:35,107 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2021-04-28 22:23:35,314 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2021-04-28 22:23:35,532 WARN L205 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2021-04-28 22:23:35,749 WARN L205 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2021-04-28 22:23:35,893 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-04-28 22:23:36,032 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-04-28 22:23:36,172 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-04-28 22:23:36,312 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-04-28 22:23:36,452 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-04-28 22:23:36,591 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-04-28 22:23:36,730 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-04-28 22:23:36,869 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-04-28 22:23:37,138 WARN L205 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 22:23:37,409 WARN L205 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 22:23:37,662 WARN L205 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 22:23:37,934 WARN L205 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 22:23:38,177 WARN L205 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 22:23:38,431 WARN L205 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 22:23:38,678 WARN L205 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 22:23:38,935 WARN L205 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 22:23:39,214 WARN L205 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 22:23:39,492 WARN L205 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 22:23:39,787 WARN L205 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 22:23:40,101 WARN L205 SmtUtils]: Spent 310.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 22:23:40,325 WARN L205 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 22:23:40,554 WARN L205 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 22:23:40,782 WARN L205 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 22:23:41,019 WARN L205 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 22:23:41,239 WARN L205 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 22:23:41,464 WARN L205 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 22:23:41,700 WARN L205 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 22:23:41,952 WARN L205 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 22:23:42,262 WARN L205 SmtUtils]: Spent 308.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 22:23:42,572 WARN L205 SmtUtils]: Spent 307.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 22:23:42,894 WARN L205 SmtUtils]: Spent 320.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 22:23:43,215 WARN L205 SmtUtils]: Spent 319.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 22:23:43,510 WARN L205 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 22:23:43,804 WARN L205 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 22:23:44,088 WARN L205 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 22:23:44,388 WARN L205 SmtUtils]: Spent 297.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 22:23:44,643 WARN L205 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 22:23:44,885 WARN L205 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 22:23:45,132 WARN L205 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 22:23:45,370 WARN L205 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 22:23:45,683 WARN L205 SmtUtils]: Spent 310.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-04-28 22:23:46,005 WARN L205 SmtUtils]: Spent 320.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-04-28 22:23:46,333 WARN L205 SmtUtils]: Spent 326.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-04-28 22:23:46,646 WARN L205 SmtUtils]: Spent 310.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-04-28 22:23:46,902 WARN L205 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 22:23:47,150 WARN L205 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 22:23:47,407 WARN L205 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 22:23:47,678 WARN L205 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 22:23:47,979 WARN L205 SmtUtils]: Spent 299.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 22:23:48,278 WARN L205 SmtUtils]: Spent 297.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 22:23:48,579 WARN L205 SmtUtils]: Spent 298.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 22:23:48,879 WARN L205 SmtUtils]: Spent 298.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 22:23:49,180 WARN L205 SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 22:23:49,479 WARN L205 SmtUtils]: Spent 298.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 22:23:49,816 WARN L205 SmtUtils]: Spent 334.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 22:23:50,131 WARN L205 SmtUtils]: Spent 313.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 22:23:50,373 WARN L205 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 22:23:50,626 WARN L205 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 22:23:50,880 WARN L205 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 22:23:51,141 WARN L205 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 22:23:51,448 WARN L205 SmtUtils]: Spent 304.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 22:23:51,754 WARN L205 SmtUtils]: Spent 304.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 22:23:52,057 WARN L205 SmtUtils]: Spent 301.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 22:23:52,347 WARN L205 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 22:23:53,280 WARN L205 SmtUtils]: Spent 900.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 115 [2021-04-28 22:23:53,706 WARN L205 SmtUtils]: Spent 423.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2021-04-28 22:23:54,665 WARN L205 SmtUtils]: Spent 956.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 115 [2021-04-28 22:23:55,072 WARN L205 SmtUtils]: Spent 404.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2021-04-28 22:23:55,404 WARN L205 SmtUtils]: Spent 329.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 22:23:55,748 WARN L205 SmtUtils]: Spent 342.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 22:23:56,070 WARN L205 SmtUtils]: Spent 320.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 22:23:56,400 WARN L205 SmtUtils]: Spent 329.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 22:23:56,739 WARN L205 SmtUtils]: Spent 336.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 22:23:57,096 WARN L205 SmtUtils]: Spent 355.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 22:23:57,412 WARN L205 SmtUtils]: Spent 314.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 22:23:57,735 WARN L205 SmtUtils]: Spent 321.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 22:23:58,060 WARN L205 SmtUtils]: Spent 322.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 22:23:58,372 WARN L205 SmtUtils]: Spent 311.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 22:23:58,703 WARN L205 SmtUtils]: Spent 328.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 22:23:59,066 WARN L205 SmtUtils]: Spent 361.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 22:23:59,396 WARN L205 SmtUtils]: Spent 327.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 22:23:59,729 WARN L205 SmtUtils]: Spent 331.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 22:24:00,080 WARN L205 SmtUtils]: Spent 348.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 22:24:00,438 WARN L205 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 22:24:01,353 WARN L205 SmtUtils]: Spent 910.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 120 [2021-04-28 22:24:01,799 WARN L205 SmtUtils]: Spent 444.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2021-04-28 22:24:02,785 WARN L205 SmtUtils]: Spent 983.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 120 [2021-04-28 22:24:03,232 WARN L205 SmtUtils]: Spent 445.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2021-04-28 22:24:03,456 WARN L205 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 22:24:03,686 WARN L205 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 22:24:03,923 WARN L205 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 22:24:04,152 WARN L205 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 22:24:04,217 INFO L158 LiptonReduction]: Checked pairs total: 23607 [2021-04-28 22:24:04,218 INFO L160 LiptonReduction]: Total number of compositions: 242 [2021-04-28 22:24:04,226 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 141127 [2021-04-28 22:24:04,281 INFO L129 PetriNetUnfolder]: 2/98 cut-off events. [2021-04-28 22:24:04,281 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 22:24:04,281 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 22:24:04,282 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 22:24:04,282 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 22:24:04,290 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 22:24:04,290 INFO L82 PathProgramCache]: Analyzing trace with hash 1113402049, now seen corresponding path program 1 times [2021-04-28 22:24:04,301 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 22:24:04,301 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1080537435] [2021-04-28 22:24:04,301 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 22:24:04,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 22:24:04,662 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 22:24:04,665 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 22:24:04,677 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 22:24:04,678 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1080537435] [2021-04-28 22:24:04,678 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 22:24:04,679 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-04-28 22:24:04,679 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [676363524] [2021-04-28 22:24:04,688 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-28 22:24:04,689 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 22:24:04,701 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-28 22:24:04,703 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-28 22:24:04,707 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 278 out of 355 [2021-04-28 22:24:04,713 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 148 places, 137 transitions, 286 flow. Second operand has 3 states, 3 states have (on average 278.6666666666667) internal successors, (836), 3 states have internal predecessors, (836), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:24:04,713 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 22:24:04,713 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 278 of 355 [2021-04-28 22:24:04,714 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 22:24:05,256 INFO L129 PetriNetUnfolder]: 114/405 cut-off events. [2021-04-28 22:24:05,256 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 22:24:05,259 INFO L84 FinitePrefix]: Finished finitePrefix Result has 644 conditions, 405 events. 114/405 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 81. Compared 2811 event pairs, 48 based on Foata normal form. 6/168 useless extension candidates. Maximal degree in co-relation 572. Up to 167 conditions per place. [2021-04-28 22:24:05,261 INFO L132 encePairwiseOnDemand]: 339/355 looper letters, 7 selfloop transitions, 2 changer transitions 100/149 dead transitions. [2021-04-28 22:24:05,262 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 147 places, 149 transitions, 402 flow [2021-04-28 22:24:05,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-28 22:24:05,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-28 22:24:05,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 883 transitions. [2021-04-28 22:24:05,286 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8291079812206573 [2021-04-28 22:24:05,287 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 883 transitions. [2021-04-28 22:24:05,287 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 883 transitions. [2021-04-28 22:24:05,291 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 22:24:05,294 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 883 transitions. [2021-04-28 22:24:05,300 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 294.3333333333333) internal successors, (883), 3 states have internal predecessors, (883), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:24:05,312 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 355.0) internal successors, (1420), 4 states have internal predecessors, (1420), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:24:05,314 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 355.0) internal successors, (1420), 4 states have internal predecessors, (1420), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:24:05,316 INFO L185 Difference]: Start difference. First operand has 148 places, 137 transitions, 286 flow. Second operand 3 states and 883 transitions. [2021-04-28 22:24:05,317 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 147 places, 149 transitions, 402 flow [2021-04-28 22:24:05,321 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 143 places, 149 transitions, 398 flow, removed 0 selfloop flow, removed 4 redundant places. [2021-04-28 22:24:05,325 INFO L241 Difference]: Finished difference. Result has 143 places, 46 transitions, 104 flow [2021-04-28 22:24:05,327 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=355, PETRI_DIFFERENCE_MINUEND_FLOW=272, PETRI_DIFFERENCE_MINUEND_PLACES=141, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=132, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=130, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=104, PETRI_PLACES=143, PETRI_TRANSITIONS=46} [2021-04-28 22:24:05,328 INFO L343 CegarLoopForPetriNet]: 148 programPoint places, -5 predicate places. [2021-04-28 22:24:05,328 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 22:24:05,329 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 143 places, 46 transitions, 104 flow [2021-04-28 22:24:05,329 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 143 places, 46 transitions, 104 flow [2021-04-28 22:24:05,329 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 57 places, 46 transitions, 104 flow [2021-04-28 22:24:05,337 INFO L129 PetriNetUnfolder]: 0/46 cut-off events. [2021-04-28 22:24:05,337 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 22:24:05,337 INFO L84 FinitePrefix]: Finished finitePrefix Result has 58 conditions, 46 events. 0/46 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 163 event pairs, 0 based on Foata normal form. 0/26 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2021-04-28 22:24:05,338 INFO L146 LiptonReduction]: Number of co-enabled transitions 1278 [2021-04-28 22:24:05,689 INFO L158 LiptonReduction]: Checked pairs total: 1274 [2021-04-28 22:24:05,689 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 22:24:05,689 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 361 [2021-04-28 22:24:05,692 INFO L480 AbstractCegarLoop]: Abstraction has has 57 places, 46 transitions, 104 flow [2021-04-28 22:24:05,693 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 278.6666666666667) internal successors, (836), 3 states have internal predecessors, (836), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:24:05,693 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 22:24:05,693 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 22:24:05,693 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-04-28 22:24:05,693 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 22:24:05,694 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 22:24:05,694 INFO L82 PathProgramCache]: Analyzing trace with hash 532558527, now seen corresponding path program 1 times [2021-04-28 22:24:05,694 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 22:24:05,694 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [405120431] [2021-04-28 22:24:05,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 22:24:05,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 22:24:05,830 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 22:24:05,831 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 22:24:05,841 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 22:24:05,841 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [405120431] [2021-04-28 22:24:05,842 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 22:24:05,842 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-04-28 22:24:05,842 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1431924891] [2021-04-28 22:24:05,843 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-28 22:24:05,843 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 22:24:05,844 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-28 22:24:05,844 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-28 22:24:05,850 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 253 out of 355 [2021-04-28 22:24:05,851 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 57 places, 46 transitions, 104 flow. Second operand has 3 states, 3 states have (on average 253.66666666666666) internal successors, (761), 3 states have internal predecessors, (761), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:24:05,851 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 22:24:05,852 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 253 of 355 [2021-04-28 22:24:05,852 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 22:24:05,876 INFO L129 PetriNetUnfolder]: 3/60 cut-off events. [2021-04-28 22:24:05,876 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 22:24:05,877 INFO L84 FinitePrefix]: Finished finitePrefix Result has 83 conditions, 60 events. 3/60 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 207 event pairs, 1 based on Foata normal form. 1/36 useless extension candidates. Maximal degree in co-relation 74. Up to 10 conditions per place. [2021-04-28 22:24:05,878 INFO L132 encePairwiseOnDemand]: 351/355 looper letters, 3 selfloop transitions, 3 changer transitions 0/48 dead transitions. [2021-04-28 22:24:05,878 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 59 places, 48 transitions, 120 flow [2021-04-28 22:24:05,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-28 22:24:05,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-28 22:24:05,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 766 transitions. [2021-04-28 22:24:05,884 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7192488262910798 [2021-04-28 22:24:05,884 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 766 transitions. [2021-04-28 22:24:05,884 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 766 transitions. [2021-04-28 22:24:05,885 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 22:24:05,885 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 766 transitions. [2021-04-28 22:24:05,888 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 255.33333333333334) internal successors, (766), 3 states have internal predecessors, (766), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:24:05,891 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 355.0) internal successors, (1420), 4 states have internal predecessors, (1420), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:24:05,892 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 355.0) internal successors, (1420), 4 states have internal predecessors, (1420), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:24:05,892 INFO L185 Difference]: Start difference. First operand has 57 places, 46 transitions, 104 flow. Second operand 3 states and 766 transitions. [2021-04-28 22:24:05,892 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 59 places, 48 transitions, 120 flow [2021-04-28 22:24:05,893 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 57 places, 48 transitions, 116 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-04-28 22:24:05,895 INFO L241 Difference]: Finished difference. Result has 58 places, 48 transitions, 119 flow [2021-04-28 22:24:05,895 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=355, PETRI_DIFFERENCE_MINUEND_FLOW=100, PETRI_DIFFERENCE_MINUEND_PLACES=55, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=46, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=43, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=119, PETRI_PLACES=58, PETRI_TRANSITIONS=48} [2021-04-28 22:24:05,895 INFO L343 CegarLoopForPetriNet]: 148 programPoint places, -90 predicate places. [2021-04-28 22:24:05,896 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 22:24:05,896 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 58 places, 48 transitions, 119 flow [2021-04-28 22:24:05,896 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 58 places, 48 transitions, 119 flow [2021-04-28 22:24:05,897 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 58 places, 48 transitions, 119 flow [2021-04-28 22:24:05,906 INFO L129 PetriNetUnfolder]: 3/58 cut-off events. [2021-04-28 22:24:05,906 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 22:24:05,907 INFO L84 FinitePrefix]: Finished finitePrefix Result has 81 conditions, 58 events. 3/58 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 202 event pairs, 1 based on Foata normal form. 0/32 useless extension candidates. Maximal degree in co-relation 73. Up to 10 conditions per place. [2021-04-28 22:24:05,908 INFO L146 LiptonReduction]: Number of co-enabled transitions 1388 [2021-04-28 22:24:05,913 INFO L158 LiptonReduction]: Checked pairs total: 1056 [2021-04-28 22:24:05,913 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 22:24:05,913 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 17 [2021-04-28 22:24:05,915 INFO L480 AbstractCegarLoop]: Abstraction has has 58 places, 48 transitions, 119 flow [2021-04-28 22:24:05,916 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 253.66666666666666) internal successors, (761), 3 states have internal predecessors, (761), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:24:05,916 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 22:24:05,916 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 22:24:05,916 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-04-28 22:24:05,916 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 22:24:05,917 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 22:24:05,917 INFO L82 PathProgramCache]: Analyzing trace with hash 2039061783, now seen corresponding path program 1 times [2021-04-28 22:24:05,917 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 22:24:05,917 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2094308469] [2021-04-28 22:24:05,917 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 22:24:05,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 22:24:06,120 INFO L142 QuantifierPusher]: treesize reduction 10, result has 58.3 percent of original size [2021-04-28 22:24:06,122 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-28 22:24:06,145 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 22:24:06,147 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-28 22:24:06,167 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 22:24:06,168 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2094308469] [2021-04-28 22:24:06,168 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 22:24:06,168 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-04-28 22:24:06,169 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1850869746] [2021-04-28 22:24:06,169 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-28 22:24:06,170 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 22:24:06,170 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-28 22:24:06,170 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-04-28 22:24:06,173 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 219 out of 355 [2021-04-28 22:24:06,174 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 58 places, 48 transitions, 119 flow. Second operand has 4 states, 4 states have (on average 219.75) internal successors, (879), 4 states have internal predecessors, (879), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:24:06,175 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 22:24:06,175 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 219 of 355 [2021-04-28 22:24:06,175 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 22:24:06,312 INFO L129 PetriNetUnfolder]: 35/159 cut-off events. [2021-04-28 22:24:06,313 INFO L130 PetriNetUnfolder]: For 24/24 co-relation queries the response was YES. [2021-04-28 22:24:06,314 INFO L84 FinitePrefix]: Finished finitePrefix Result has 260 conditions, 159 events. 35/159 cut-off events. For 24/24 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 724 event pairs, 8 based on Foata normal form. 4/105 useless extension candidates. Maximal degree in co-relation 250. Up to 45 conditions per place. [2021-04-28 22:24:06,316 INFO L132 encePairwiseOnDemand]: 350/355 looper letters, 10 selfloop transitions, 5 changer transitions 0/56 dead transitions. [2021-04-28 22:24:06,316 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 61 places, 56 transitions, 165 flow [2021-04-28 22:24:06,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-04-28 22:24:06,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-04-28 22:24:06,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 893 transitions. [2021-04-28 22:24:06,323 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6288732394366198 [2021-04-28 22:24:06,323 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 893 transitions. [2021-04-28 22:24:06,323 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 893 transitions. [2021-04-28 22:24:06,324 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 22:24:06,324 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 893 transitions. [2021-04-28 22:24:06,327 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 223.25) internal successors, (893), 4 states have internal predecessors, (893), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:24:06,330 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 355.0) internal successors, (1775), 5 states have internal predecessors, (1775), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:24:06,332 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 355.0) internal successors, (1775), 5 states have internal predecessors, (1775), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:24:06,332 INFO L185 Difference]: Start difference. First operand has 58 places, 48 transitions, 119 flow. Second operand 4 states and 893 transitions. [2021-04-28 22:24:06,332 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 61 places, 56 transitions, 165 flow [2021-04-28 22:24:06,333 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 60 places, 56 transitions, 162 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-04-28 22:24:06,335 INFO L241 Difference]: Finished difference. Result has 62 places, 52 transitions, 150 flow [2021-04-28 22:24:06,335 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=355, PETRI_DIFFERENCE_MINUEND_FLOW=116, PETRI_DIFFERENCE_MINUEND_PLACES=57, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=48, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=44, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=150, PETRI_PLACES=62, PETRI_TRANSITIONS=52} [2021-04-28 22:24:06,335 INFO L343 CegarLoopForPetriNet]: 148 programPoint places, -86 predicate places. [2021-04-28 22:24:06,336 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 22:24:06,336 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 62 places, 52 transitions, 150 flow [2021-04-28 22:24:06,336 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 62 places, 52 transitions, 150 flow [2021-04-28 22:24:06,337 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 62 places, 52 transitions, 150 flow [2021-04-28 22:24:06,355 INFO L129 PetriNetUnfolder]: 12/96 cut-off events. [2021-04-28 22:24:06,355 INFO L130 PetriNetUnfolder]: For 40/43 co-relation queries the response was YES. [2021-04-28 22:24:06,356 INFO L84 FinitePrefix]: Finished finitePrefix Result has 171 conditions, 96 events. 12/96 cut-off events. For 40/43 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 438 event pairs, 7 based on Foata normal form. 0/57 useless extension candidates. Maximal degree in co-relation 160. Up to 21 conditions per place. [2021-04-28 22:24:06,359 INFO L146 LiptonReduction]: Number of co-enabled transitions 1580 [2021-04-28 22:24:06,686 INFO L158 LiptonReduction]: Checked pairs total: 661 [2021-04-28 22:24:06,686 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 22:24:06,687 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 351 [2021-04-28 22:24:06,688 INFO L480 AbstractCegarLoop]: Abstraction has has 62 places, 52 transitions, 150 flow [2021-04-28 22:24:06,689 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 219.75) internal successors, (879), 4 states have internal predecessors, (879), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:24:06,690 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 22:24:06,690 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 22:24:06,690 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-04-28 22:24:06,690 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr3INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 22:24:06,690 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 22:24:06,690 INFO L82 PathProgramCache]: Analyzing trace with hash -699395725, now seen corresponding path program 1 times [2021-04-28 22:24:06,691 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 22:24:06,691 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1401315322] [2021-04-28 22:24:06,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 22:24:06,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 22:24:06,776 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 22:24:06,777 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-28 22:24:06,797 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 22:24:06,798 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-28 22:24:06,825 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 22:24:06,827 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-28 22:24:06,858 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 22:24:06,859 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1401315322] [2021-04-28 22:24:06,859 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 22:24:06,859 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-28 22:24:06,859 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [454368175] [2021-04-28 22:24:06,860 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-04-28 22:24:06,860 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 22:24:06,860 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-04-28 22:24:06,860 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-04-28 22:24:06,863 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 220 out of 355 [2021-04-28 22:24:06,865 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 62 places, 52 transitions, 150 flow. Second operand has 5 states, 5 states have (on average 221.0) internal successors, (1105), 5 states have internal predecessors, (1105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:24:06,865 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 22:24:06,865 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 220 of 355 [2021-04-28 22:24:06,865 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 22:24:07,025 INFO L129 PetriNetUnfolder]: 32/150 cut-off events. [2021-04-28 22:24:07,025 INFO L130 PetriNetUnfolder]: For 76/76 co-relation queries the response was YES. [2021-04-28 22:24:07,027 INFO L84 FinitePrefix]: Finished finitePrefix Result has 306 conditions, 150 events. 32/150 cut-off events. For 76/76 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 657 event pairs, 7 based on Foata normal form. 1/98 useless extension candidates. Maximal degree in co-relation 293. Up to 46 conditions per place. [2021-04-28 22:24:07,028 INFO L132 encePairwiseOnDemand]: 349/355 looper letters, 9 selfloop transitions, 7 changer transitions 0/57 dead transitions. [2021-04-28 22:24:07,028 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 65 places, 57 transitions, 199 flow [2021-04-28 22:24:07,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-04-28 22:24:07,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-04-28 22:24:07,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 894 transitions. [2021-04-28 22:24:07,035 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6295774647887324 [2021-04-28 22:24:07,035 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 894 transitions. [2021-04-28 22:24:07,035 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 894 transitions. [2021-04-28 22:24:07,036 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 22:24:07,036 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 894 transitions. [2021-04-28 22:24:07,039 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 223.5) internal successors, (894), 4 states have internal predecessors, (894), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:24:07,043 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 355.0) internal successors, (1775), 5 states have internal predecessors, (1775), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:24:07,044 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 355.0) internal successors, (1775), 5 states have internal predecessors, (1775), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:24:07,044 INFO L185 Difference]: Start difference. First operand has 62 places, 52 transitions, 150 flow. Second operand 4 states and 894 transitions. [2021-04-28 22:24:07,045 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 65 places, 57 transitions, 199 flow [2021-04-28 22:24:07,046 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 65 places, 57 transitions, 199 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-04-28 22:24:07,048 INFO L241 Difference]: Finished difference. Result has 67 places, 56 transitions, 197 flow [2021-04-28 22:24:07,048 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=355, PETRI_DIFFERENCE_MINUEND_FLOW=150, PETRI_DIFFERENCE_MINUEND_PLACES=62, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=52, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=46, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=197, PETRI_PLACES=67, PETRI_TRANSITIONS=56} [2021-04-28 22:24:07,048 INFO L343 CegarLoopForPetriNet]: 148 programPoint places, -81 predicate places. [2021-04-28 22:24:07,048 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 22:24:07,049 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 67 places, 56 transitions, 197 flow [2021-04-28 22:24:07,049 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 67 places, 56 transitions, 197 flow [2021-04-28 22:24:07,049 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 67 places, 56 transitions, 197 flow [2021-04-28 22:24:07,076 INFO L129 PetriNetUnfolder]: 28/131 cut-off events. [2021-04-28 22:24:07,077 INFO L130 PetriNetUnfolder]: For 137/140 co-relation queries the response was YES. [2021-04-28 22:24:07,078 INFO L84 FinitePrefix]: Finished finitePrefix Result has 302 conditions, 131 events. 28/131 cut-off events. For 137/140 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 626 event pairs, 6 based on Foata normal form. 1/78 useless extension candidates. Maximal degree in co-relation 287. Up to 31 conditions per place. [2021-04-28 22:24:07,082 INFO L146 LiptonReduction]: Number of co-enabled transitions 1728 [2021-04-28 22:24:07,125 INFO L158 LiptonReduction]: Checked pairs total: 560 [2021-04-28 22:24:07,126 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 22:24:07,126 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 78 [2021-04-28 22:24:07,127 INFO L480 AbstractCegarLoop]: Abstraction has has 67 places, 56 transitions, 197 flow [2021-04-28 22:24:07,128 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 221.0) internal successors, (1105), 5 states have internal predecessors, (1105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:24:07,128 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 22:24:07,129 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 22:24:07,129 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-04-28 22:24:07,129 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr3INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 22:24:07,129 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 22:24:07,129 INFO L82 PathProgramCache]: Analyzing trace with hash -667749995, now seen corresponding path program 1 times [2021-04-28 22:24:07,129 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 22:24:07,130 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1304678951] [2021-04-28 22:24:07,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 22:24:07,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 22:24:07,243 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 22:24:07,244 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 22:24:07,254 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 22:24:07,255 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 22:24:07,265 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 22:24:07,267 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 22:24:07,268 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 22:24:07,268 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1304678951] [2021-04-28 22:24:07,268 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 22:24:07,268 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-28 22:24:07,268 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [26525471] [2021-04-28 22:24:07,269 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-28 22:24:07,269 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 22:24:07,274 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-28 22:24:07,275 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-04-28 22:24:07,278 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 265 out of 355 [2021-04-28 22:24:07,283 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 67 places, 56 transitions, 197 flow. Second operand has 4 states, 4 states have (on average 265.75) internal successors, (1063), 4 states have internal predecessors, (1063), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:24:07,284 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 22:24:07,284 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 265 of 355 [2021-04-28 22:24:07,284 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 22:24:11,626 INFO L129 PetriNetUnfolder]: 19789/28608 cut-off events. [2021-04-28 22:24:11,626 INFO L130 PetriNetUnfolder]: For 2155/2256 co-relation queries the response was YES. [2021-04-28 22:24:11,876 INFO L84 FinitePrefix]: Finished finitePrefix Result has 58577 conditions, 28608 events. 19789/28608 cut-off events. For 2155/2256 co-relation queries the response was YES. Maximal size of possible extension queue 4989. Compared 244419 event pairs, 10290 based on Foata normal form. 500/8276 useless extension candidates. Maximal degree in co-relation 58560. Up to 18391 conditions per place. [2021-04-28 22:24:12,036 INFO L132 encePairwiseOnDemand]: 335/355 looper letters, 35 selfloop transitions, 33 changer transitions 0/100 dead transitions. [2021-04-28 22:24:12,037 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 71 places, 100 transitions, 421 flow [2021-04-28 22:24:12,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-28 22:24:12,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-04-28 22:24:12,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1391 transitions. [2021-04-28 22:24:12,045 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.783661971830986 [2021-04-28 22:24:12,046 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1391 transitions. [2021-04-28 22:24:12,046 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1391 transitions. [2021-04-28 22:24:12,047 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 22:24:12,047 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1391 transitions. [2021-04-28 22:24:12,052 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 278.2) internal successors, (1391), 5 states have internal predecessors, (1391), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:24:12,058 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 355.0) internal successors, (2130), 6 states have internal predecessors, (2130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:24:12,060 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 355.0) internal successors, (2130), 6 states have internal predecessors, (2130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:24:12,060 INFO L185 Difference]: Start difference. First operand has 67 places, 56 transitions, 197 flow. Second operand 5 states and 1391 transitions. [2021-04-28 22:24:12,060 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 71 places, 100 transitions, 421 flow [2021-04-28 22:24:12,071 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 70 places, 100 transitions, 417 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-04-28 22:24:12,074 INFO L241 Difference]: Finished difference. Result has 73 places, 87 transitions, 443 flow [2021-04-28 22:24:12,074 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=355, PETRI_DIFFERENCE_MINUEND_FLOW=193, PETRI_DIFFERENCE_MINUEND_PLACES=66, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=56, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=36, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=443, PETRI_PLACES=73, PETRI_TRANSITIONS=87} [2021-04-28 22:24:12,074 INFO L343 CegarLoopForPetriNet]: 148 programPoint places, -75 predicate places. [2021-04-28 22:24:12,075 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 22:24:12,075 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 73 places, 87 transitions, 443 flow [2021-04-28 22:24:12,075 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 73 places, 87 transitions, 443 flow [2021-04-28 22:24:12,076 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 73 places, 87 transitions, 443 flow [2021-04-28 22:24:14,811 INFO L129 PetriNetUnfolder]: 16211/23681 cut-off events. [2021-04-28 22:24:14,811 INFO L130 PetriNetUnfolder]: For 6184/11073 co-relation queries the response was YES. [2021-04-28 22:24:14,936 INFO L84 FinitePrefix]: Finished finitePrefix Result has 68898 conditions, 23681 events. 16211/23681 cut-off events. For 6184/11073 co-relation queries the response was YES. Maximal size of possible extension queue 4139. Compared 193725 event pairs, 9239 based on Foata normal form. 12/6919 useless extension candidates. Maximal degree in co-relation 68879. Up to 22319 conditions per place. [2021-04-28 22:24:15,301 INFO L146 LiptonReduction]: Number of co-enabled transitions 2520 [2021-04-28 22:24:15,336 INFO L158 LiptonReduction]: Checked pairs total: 999 [2021-04-28 22:24:15,336 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 22:24:15,337 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 3262 [2021-04-28 22:24:15,339 INFO L480 AbstractCegarLoop]: Abstraction has has 73 places, 87 transitions, 443 flow [2021-04-28 22:24:15,340 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 265.75) internal successors, (1063), 4 states have internal predecessors, (1063), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:24:15,340 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 22:24:15,340 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 22:24:15,340 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-04-28 22:24:15,340 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr3INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 22:24:15,341 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 22:24:15,341 INFO L82 PathProgramCache]: Analyzing trace with hash -218292691, now seen corresponding path program 1 times [2021-04-28 22:24:15,341 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 22:24:15,341 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [593075666] [2021-04-28 22:24:15,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 22:24:15,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 22:24:15,510 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 22:24:15,511 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 22:24:15,519 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 22:24:15,520 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 22:24:15,530 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 22:24:15,532 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 22:24:15,544 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 22:24:15,546 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 22:24:15,546 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 22:24:15,546 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [593075666] [2021-04-28 22:24:15,547 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 22:24:15,547 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-04-28 22:24:15,547 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2128354917] [2021-04-28 22:24:15,547 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-04-28 22:24:15,547 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 22:24:15,548 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-04-28 22:24:15,548 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-04-28 22:24:15,550 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 265 out of 355 [2021-04-28 22:24:15,552 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 73 places, 87 transitions, 443 flow. Second operand has 5 states, 5 states have (on average 265.8) internal successors, (1329), 5 states have internal predecessors, (1329), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:24:15,552 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 22:24:15,552 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 265 of 355 [2021-04-28 22:24:15,552 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 22:24:19,510 INFO L129 PetriNetUnfolder]: 21814/33237 cut-off events. [2021-04-28 22:24:19,510 INFO L130 PetriNetUnfolder]: For 12231/64071 co-relation queries the response was YES. [2021-04-28 22:24:19,642 INFO L84 FinitePrefix]: Finished finitePrefix Result has 128207 conditions, 33237 events. 21814/33237 cut-off events. For 12231/64071 co-relation queries the response was YES. Maximal size of possible extension queue 6309. Compared 301606 event pairs, 4167 based on Foata normal form. 548/10809 useless extension candidates. Maximal degree in co-relation 128186. Up to 30863 conditions per place. [2021-04-28 22:24:19,781 INFO L132 encePairwiseOnDemand]: 335/355 looper letters, 36 selfloop transitions, 64 changer transitions 0/132 dead transitions. [2021-04-28 22:24:19,781 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 79 places, 132 transitions, 892 flow [2021-04-28 22:24:19,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-04-28 22:24:19,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-04-28 22:24:19,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1951 transitions. [2021-04-28 22:24:19,790 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7851106639839034 [2021-04-28 22:24:19,790 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1951 transitions. [2021-04-28 22:24:19,790 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1951 transitions. [2021-04-28 22:24:19,792 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 22:24:19,792 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1951 transitions. [2021-04-28 22:24:19,798 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 278.7142857142857) internal successors, (1951), 7 states have internal predecessors, (1951), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:24:19,803 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 355.0) internal successors, (2840), 8 states have internal predecessors, (2840), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:24:19,804 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 355.0) internal successors, (2840), 8 states have internal predecessors, (2840), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:24:19,805 INFO L185 Difference]: Start difference. First operand has 73 places, 87 transitions, 443 flow. Second operand 7 states and 1951 transitions. [2021-04-28 22:24:19,805 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 79 places, 132 transitions, 892 flow [2021-04-28 22:24:19,877 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 79 places, 132 transitions, 892 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-04-28 22:24:19,881 INFO L241 Difference]: Finished difference. Result has 82 places, 118 transitions, 889 flow [2021-04-28 22:24:19,882 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=355, PETRI_DIFFERENCE_MINUEND_FLOW=443, PETRI_DIFFERENCE_MINUEND_PLACES=73, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=87, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=33, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=36, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=889, PETRI_PLACES=82, PETRI_TRANSITIONS=118} [2021-04-28 22:24:19,882 INFO L343 CegarLoopForPetriNet]: 148 programPoint places, -66 predicate places. [2021-04-28 22:24:19,882 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 22:24:19,882 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 82 places, 118 transitions, 889 flow [2021-04-28 22:24:19,883 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 82 places, 118 transitions, 889 flow [2021-04-28 22:24:19,884 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 82 places, 118 transitions, 889 flow [2021-04-28 22:24:22,791 INFO L129 PetriNetUnfolder]: 18321/27993 cut-off events. [2021-04-28 22:24:22,792 INFO L130 PetriNetUnfolder]: For 39025/61972 co-relation queries the response was YES. [2021-04-28 22:24:22,927 INFO L84 FinitePrefix]: Finished finitePrefix Result has 133213 conditions, 27993 events. 18321/27993 cut-off events. For 39025/61972 co-relation queries the response was YES. Maximal size of possible extension queue 5276. Compared 252204 event pairs, 4229 based on Foata normal form. 13/8414 useless extension candidates. Maximal degree in co-relation 133189. Up to 26534 conditions per place. [2021-04-28 22:24:23,218 INFO L146 LiptonReduction]: Number of co-enabled transitions 3476 [2021-04-28 22:24:23,255 INFO L158 LiptonReduction]: Checked pairs total: 1904 [2021-04-28 22:24:23,255 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 22:24:23,255 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 3373 [2021-04-28 22:24:23,257 INFO L480 AbstractCegarLoop]: Abstraction has has 82 places, 118 transitions, 889 flow [2021-04-28 22:24:23,258 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 265.8) internal successors, (1329), 5 states have internal predecessors, (1329), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:24:23,258 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 22:24:23,258 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 22:24:23,258 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-04-28 22:24:23,258 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr3INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 22:24:23,259 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 22:24:23,259 INFO L82 PathProgramCache]: Analyzing trace with hash -377052041, now seen corresponding path program 1 times [2021-04-28 22:24:23,259 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 22:24:23,259 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [660153408] [2021-04-28 22:24:23,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 22:24:23,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 22:24:23,327 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 22:24:23,328 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 22:24:23,330 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 22:24:23,331 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 22:24:23,338 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 22:24:23,339 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [660153408] [2021-04-28 22:24:23,339 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 22:24:23,339 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-04-28 22:24:23,339 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1094154184] [2021-04-28 22:24:23,340 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-28 22:24:23,340 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 22:24:23,340 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-28 22:24:23,340 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-28 22:24:23,346 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 253 out of 355 [2021-04-28 22:24:23,347 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 82 places, 118 transitions, 889 flow. Second operand has 3 states, 3 states have (on average 254.0) internal successors, (762), 3 states have internal predecessors, (762), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:24:23,348 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 22:24:23,348 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 253 of 355 [2021-04-28 22:24:23,348 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 22:24:29,127 INFO L129 PetriNetUnfolder]: 35031/52719 cut-off events. [2021-04-28 22:24:29,127 INFO L130 PetriNetUnfolder]: For 103894/183953 co-relation queries the response was YES. [2021-04-28 22:24:29,354 INFO L84 FinitePrefix]: Finished finitePrefix Result has 252412 conditions, 52719 events. 35031/52719 cut-off events. For 103894/183953 co-relation queries the response was YES. Maximal size of possible extension queue 9810. Compared 489773 event pairs, 7758 based on Foata normal form. 257/15333 useless extension candidates. Maximal degree in co-relation 252386. Up to 50804 conditions per place. [2021-04-28 22:24:29,556 INFO L132 encePairwiseOnDemand]: 352/355 looper letters, 3 selfloop transitions, 3 changer transitions 0/118 dead transitions. [2021-04-28 22:24:29,556 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 84 places, 118 transitions, 901 flow [2021-04-28 22:24:29,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-28 22:24:29,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-28 22:24:29,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 765 transitions. [2021-04-28 22:24:29,562 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7183098591549296 [2021-04-28 22:24:29,563 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 765 transitions. [2021-04-28 22:24:29,563 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 765 transitions. [2021-04-28 22:24:29,563 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 22:24:29,564 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 765 transitions. [2021-04-28 22:24:29,566 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 255.0) internal successors, (765), 3 states have internal predecessors, (765), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:24:29,569 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 355.0) internal successors, (1420), 4 states have internal predecessors, (1420), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:24:29,569 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 355.0) internal successors, (1420), 4 states have internal predecessors, (1420), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:24:29,569 INFO L185 Difference]: Start difference. First operand has 82 places, 118 transitions, 889 flow. Second operand 3 states and 765 transitions. [2021-04-28 22:24:29,570 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 84 places, 118 transitions, 901 flow [2021-04-28 22:24:30,496 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 81 places, 118 transitions, 739 flow, removed 54 selfloop flow, removed 3 redundant places. [2021-04-28 22:24:30,499 INFO L241 Difference]: Finished difference. Result has 82 places, 118 transitions, 738 flow [2021-04-28 22:24:30,500 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=355, PETRI_DIFFERENCE_MINUEND_FLOW=727, PETRI_DIFFERENCE_MINUEND_PLACES=79, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=118, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=115, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=738, PETRI_PLACES=82, PETRI_TRANSITIONS=118} [2021-04-28 22:24:30,500 INFO L343 CegarLoopForPetriNet]: 148 programPoint places, -66 predicate places. [2021-04-28 22:24:30,500 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 22:24:30,500 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 82 places, 118 transitions, 738 flow [2021-04-28 22:24:30,501 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 82 places, 118 transitions, 738 flow [2021-04-28 22:24:30,502 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 82 places, 118 transitions, 738 flow [2021-04-28 22:24:35,271 INFO L129 PetriNetUnfolder]: 32230/47904 cut-off events. [2021-04-28 22:24:35,271 INFO L130 PetriNetUnfolder]: For 49005/52280 co-relation queries the response was YES. [2021-04-28 22:24:35,487 INFO L84 FinitePrefix]: Finished finitePrefix Result has 219856 conditions, 47904 events. 32230/47904 cut-off events. For 49005/52280 co-relation queries the response was YES. Maximal size of possible extension queue 8919. Compared 437980 event pairs, 7702 based on Foata normal form. 23/14041 useless extension candidates. Maximal degree in co-relation 219832. Up to 41767 conditions per place. [2021-04-28 22:24:35,876 INFO L146 LiptonReduction]: Number of co-enabled transitions 3474 [2021-04-28 22:24:35,953 INFO L158 LiptonReduction]: Checked pairs total: 1904 [2021-04-28 22:24:35,953 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 22:24:35,953 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 5453 [2021-04-28 22:24:35,954 INFO L480 AbstractCegarLoop]: Abstraction has has 82 places, 118 transitions, 738 flow [2021-04-28 22:24:35,955 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 254.0) internal successors, (762), 3 states have internal predecessors, (762), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:24:35,955 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 22:24:35,955 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 22:24:35,955 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-04-28 22:24:35,955 INFO L428 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr3INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 22:24:35,956 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 22:24:35,956 INFO L82 PathProgramCache]: Analyzing trace with hash -768448595, now seen corresponding path program 1 times [2021-04-28 22:24:35,956 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 22:24:35,956 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1347476981] [2021-04-28 22:24:35,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 22:24:36,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 22:24:36,039 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 22:24:36,041 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 22:24:36,049 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 22:24:36,051 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 22:24:36,061 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 22:24:36,062 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 22:24:36,076 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 22:24:36,077 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 22:24:36,090 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 22:24:36,092 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 22:24:36,092 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 22:24:36,093 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1347476981] [2021-04-28 22:24:36,093 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 22:24:36,093 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-04-28 22:24:36,093 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [951568690] [2021-04-28 22:24:36,093 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-04-28 22:24:36,093 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 22:24:36,094 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-04-28 22:24:36,094 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-04-28 22:24:36,096 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 265 out of 355 [2021-04-28 22:24:36,098 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 82 places, 118 transitions, 738 flow. Second operand has 6 states, 6 states have (on average 265.8333333333333) internal successors, (1595), 6 states have internal predecessors, (1595), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:24:36,099 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 22:24:36,099 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 265 of 355 [2021-04-28 22:24:36,099 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 22:24:43,462 INFO L129 PetriNetUnfolder]: 35976/56724 cut-off events. [2021-04-28 22:24:43,462 INFO L130 PetriNetUnfolder]: For 67272/207918 co-relation queries the response was YES. [2021-04-28 22:24:43,732 INFO L84 FinitePrefix]: Finished finitePrefix Result has 312758 conditions, 56724 events. 35976/56724 cut-off events. For 67272/207918 co-relation queries the response was YES. Maximal size of possible extension queue 10215. Compared 572215 event pairs, 1296 based on Foata normal form. 862/17796 useless extension candidates. Maximal degree in co-relation 312732. Up to 48727 conditions per place. [2021-04-28 22:24:43,902 INFO L132 encePairwiseOnDemand]: 335/355 looper letters, 24 selfloop transitions, 95 changer transitions 12/162 dead transitions. [2021-04-28 22:24:43,902 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 90 places, 162 transitions, 1388 flow [2021-04-28 22:24:43,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-04-28 22:24:43,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-04-28 22:24:43,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 2511 transitions. [2021-04-28 22:24:43,913 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7859154929577464 [2021-04-28 22:24:43,913 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 2511 transitions. [2021-04-28 22:24:43,913 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 2511 transitions. [2021-04-28 22:24:43,915 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 22:24:43,915 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 2511 transitions. [2021-04-28 22:24:43,922 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 279.0) internal successors, (2511), 9 states have internal predecessors, (2511), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:24:43,928 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 355.0) internal successors, (3550), 10 states have internal predecessors, (3550), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:24:43,930 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 355.0) internal successors, (3550), 10 states have internal predecessors, (3550), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:24:43,930 INFO L185 Difference]: Start difference. First operand has 82 places, 118 transitions, 738 flow. Second operand 9 states and 2511 transitions. [2021-04-28 22:24:43,930 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 90 places, 162 transitions, 1388 flow [2021-04-28 22:24:44,772 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 89 places, 162 transitions, 1383 flow, removed 1 selfloop flow, removed 1 redundant places. [2021-04-28 22:24:44,776 INFO L241 Difference]: Finished difference. Result has 92 places, 147 transitions, 1302 flow [2021-04-28 22:24:44,776 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=355, PETRI_DIFFERENCE_MINUEND_FLOW=712, PETRI_DIFFERENCE_MINUEND_PLACES=81, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=116, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=76, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=34, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=1302, PETRI_PLACES=92, PETRI_TRANSITIONS=147} [2021-04-28 22:24:44,777 INFO L343 CegarLoopForPetriNet]: 148 programPoint places, -56 predicate places. [2021-04-28 22:24:44,777 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 22:24:44,777 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 92 places, 147 transitions, 1302 flow [2021-04-28 22:24:44,777 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 92 places, 147 transitions, 1302 flow [2021-04-28 22:24:44,778 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 92 places, 147 transitions, 1302 flow [2021-04-28 22:24:49,207 INFO L129 PetriNetUnfolder]: 21622/36512 cut-off events. [2021-04-28 22:24:49,207 INFO L130 PetriNetUnfolder]: For 116706/145479 co-relation queries the response was YES. [2021-04-28 22:24:49,413 INFO L84 FinitePrefix]: Finished finitePrefix Result has 219882 conditions, 36512 events. 21622/36512 cut-off events. For 116706/145479 co-relation queries the response was YES. Maximal size of possible extension queue 8514. Compared 393378 event pairs, 1323 based on Foata normal form. 2/10430 useless extension candidates. Maximal degree in co-relation 219854. Up to 30373 conditions per place. [2021-04-28 22:24:49,754 INFO L146 LiptonReduction]: Number of co-enabled transitions 3916 [2021-04-28 22:24:49,827 INFO L158 LiptonReduction]: Checked pairs total: 2888 [2021-04-28 22:24:49,827 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 22:24:49,828 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 5051 [2021-04-28 22:24:49,829 INFO L480 AbstractCegarLoop]: Abstraction has has 92 places, 147 transitions, 1302 flow [2021-04-28 22:24:49,830 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 265.8333333333333) internal successors, (1595), 6 states have internal predecessors, (1595), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:24:49,830 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 22:24:49,830 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 22:24:49,830 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-04-28 22:24:49,830 INFO L428 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr3INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 22:24:49,831 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 22:24:49,831 INFO L82 PathProgramCache]: Analyzing trace with hash -1273972920, now seen corresponding path program 1 times [2021-04-28 22:24:49,831 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 22:24:49,831 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1027740617] [2021-04-28 22:24:49,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 22:24:49,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 22:24:49,896 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 22:24:49,897 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 22:24:49,898 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 22:24:49,900 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 22:24:49,907 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 22:24:49,908 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 22:24:49,918 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 22:24:49,918 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1027740617] [2021-04-28 22:24:49,919 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 22:24:49,919 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-28 22:24:49,919 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [72990040] [2021-04-28 22:24:49,919 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-28 22:24:49,919 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 22:24:49,920 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-28 22:24:49,920 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-04-28 22:24:49,922 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 246 out of 355 [2021-04-28 22:24:49,923 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 92 places, 147 transitions, 1302 flow. Second operand has 4 states, 4 states have (on average 247.0) internal successors, (988), 4 states have internal predecessors, (988), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:24:49,923 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 22:24:49,923 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 246 of 355 [2021-04-28 22:24:49,923 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 22:25:00,421 INFO L129 PetriNetUnfolder]: 46066/77998 cut-off events. [2021-04-28 22:25:00,421 INFO L130 PetriNetUnfolder]: For 311556/665204 co-relation queries the response was YES. [2021-04-28 22:25:00,921 INFO L84 FinitePrefix]: Finished finitePrefix Result has 469614 conditions, 77998 events. 46066/77998 cut-off events. For 311556/665204 co-relation queries the response was YES. Maximal size of possible extension queue 16736. Compared 900601 event pairs, 2592 based on Foata normal form. 192/22186 useless extension candidates. Maximal degree in co-relation 469584. Up to 65035 conditions per place. [2021-04-28 22:25:01,171 INFO L132 encePairwiseOnDemand]: 352/355 looper letters, 4 selfloop transitions, 2 changer transitions 0/149 dead transitions. [2021-04-28 22:25:01,171 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 95 places, 149 transitions, 1328 flow [2021-04-28 22:25:01,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-04-28 22:25:01,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-04-28 22:25:01,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 991 transitions. [2021-04-28 22:25:01,178 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6978873239436619 [2021-04-28 22:25:01,178 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 991 transitions. [2021-04-28 22:25:01,178 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 991 transitions. [2021-04-28 22:25:01,179 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 22:25:01,179 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 991 transitions. [2021-04-28 22:25:01,182 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 247.75) internal successors, (991), 4 states have internal predecessors, (991), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:25:01,185 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 355.0) internal successors, (1775), 5 states have internal predecessors, (1775), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:25:01,185 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 355.0) internal successors, (1775), 5 states have internal predecessors, (1775), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:25:01,185 INFO L185 Difference]: Start difference. First operand has 92 places, 147 transitions, 1302 flow. Second operand 4 states and 991 transitions. [2021-04-28 22:25:01,186 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 95 places, 149 transitions, 1328 flow [2021-04-28 22:27:42,100 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 90 places, 149 transitions, 996 flow, removed 108 selfloop flow, removed 5 redundant places. [2021-04-28 22:27:42,103 INFO L241 Difference]: Finished difference. Result has 92 places, 148 transitions, 983 flow [2021-04-28 22:27:42,103 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=355, PETRI_DIFFERENCE_MINUEND_FLOW=970, PETRI_DIFFERENCE_MINUEND_PLACES=87, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=147, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=145, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=983, PETRI_PLACES=92, PETRI_TRANSITIONS=148} [2021-04-28 22:27:42,103 INFO L343 CegarLoopForPetriNet]: 148 programPoint places, -56 predicate places. [2021-04-28 22:27:42,103 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 22:27:42,103 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 92 places, 148 transitions, 983 flow [2021-04-28 22:27:42,104 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 92 places, 148 transitions, 983 flow [2021-04-28 22:27:42,105 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 92 places, 148 transitions, 983 flow [2021-04-28 22:27:48,385 INFO L129 PetriNetUnfolder]: 40323/67293 cut-off events. [2021-04-28 22:27:48,386 INFO L130 PetriNetUnfolder]: For 77628/77925 co-relation queries the response was YES. [2021-04-28 22:27:48,952 INFO L84 FinitePrefix]: Finished finitePrefix Result has 259216 conditions, 67293 events. 40323/67293 cut-off events. For 77628/77925 co-relation queries the response was YES. Maximal size of possible extension queue 15138. Compared 760400 event pairs, 2643 based on Foata normal form. 2/19212 useless extension candidates. Maximal degree in co-relation 259187. Up to 34777 conditions per place. [2021-04-28 22:27:49,827 INFO L146 LiptonReduction]: Number of co-enabled transitions 4020 [2021-04-28 22:27:50,150 INFO L158 LiptonReduction]: Checked pairs total: 2493 [2021-04-28 22:27:50,150 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 22:27:50,150 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 8047 [2021-04-28 22:27:50,151 INFO L480 AbstractCegarLoop]: Abstraction has has 92 places, 148 transitions, 983 flow [2021-04-28 22:27:50,152 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 247.0) internal successors, (988), 4 states have internal predecessors, (988), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:27:50,152 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 22:27:50,152 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 22:27:50,152 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-04-28 22:27:50,152 INFO L428 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr3INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 22:27:50,153 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 22:27:50,153 INFO L82 PathProgramCache]: Analyzing trace with hash 1455878623, now seen corresponding path program 1 times [2021-04-28 22:27:50,153 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 22:27:50,153 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1992787999] [2021-04-28 22:27:50,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 22:27:50,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 22:27:50,240 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 22:27:50,242 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 22:27:50,250 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 22:27:50,252 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 22:27:50,264 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 22:27:50,265 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 22:27:50,279 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 22:27:50,281 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 22:27:50,298 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 22:27:50,300 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 22:27:50,316 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 22:27:50,317 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 22:27:50,318 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 22:27:50,318 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1992787999] [2021-04-28 22:27:50,318 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 22:27:50,318 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-04-28 22:27:50,319 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1951339258] [2021-04-28 22:27:50,319 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-04-28 22:27:50,319 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 22:27:50,320 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-04-28 22:27:50,320 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-04-28 22:27:50,323 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 265 out of 355 [2021-04-28 22:27:50,326 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 92 places, 148 transitions, 983 flow. Second operand has 7 states, 7 states have (on average 265.85714285714283) internal successors, (1861), 7 states have internal predecessors, (1861), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:27:50,326 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 22:27:50,326 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 265 of 355 [2021-04-28 22:27:50,326 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 22:28:03,294 INFO L129 PetriNetUnfolder]: 45679/79213 cut-off events. [2021-04-28 22:28:03,294 INFO L130 PetriNetUnfolder]: For 94292/663479 co-relation queries the response was YES. [2021-04-28 22:28:03,748 INFO L84 FinitePrefix]: Finished finitePrefix Result has 365596 conditions, 79213 events. 45679/79213 cut-off events. For 94292/663479 co-relation queries the response was YES. Maximal size of possible extension queue 17380. Compared 945222 event pairs, 0 based on Foata normal form. 1222/23889 useless extension candidates. Maximal degree in co-relation 365565. Up to 44928 conditions per place. [2021-04-28 22:28:03,909 INFO L132 encePairwiseOnDemand]: 335/355 looper letters, 6 selfloop transitions, 113 changer transitions 20/171 dead transitions. [2021-04-28 22:28:03,910 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 102 places, 171 transitions, 1470 flow [2021-04-28 22:28:03,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-04-28 22:28:03,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-04-28 22:28:03,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 3047 transitions. [2021-04-28 22:28:03,919 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.780281690140845 [2021-04-28 22:28:03,919 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 3047 transitions. [2021-04-28 22:28:03,919 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 3047 transitions. [2021-04-28 22:28:03,922 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 22:28:03,922 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 3047 transitions. [2021-04-28 22:28:03,930 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 277.0) internal successors, (3047), 11 states have internal predecessors, (3047), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:28:03,939 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 355.0) internal successors, (4260), 12 states have internal predecessors, (4260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:28:03,941 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 355.0) internal successors, (4260), 12 states have internal predecessors, (4260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:28:03,941 INFO L185 Difference]: Start difference. First operand has 92 places, 148 transitions, 983 flow. Second operand 11 states and 3047 transitions. [2021-04-28 22:28:03,941 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 102 places, 171 transitions, 1470 flow [2021-04-28 22:30:13,899 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 101 places, 171 transitions, 1461 flow, removed 4 selfloop flow, removed 1 redundant places. [2021-04-28 22:30:13,903 INFO L241 Difference]: Finished difference. Result has 104 places, 148 transitions, 1256 flow [2021-04-28 22:30:13,904 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=355, PETRI_DIFFERENCE_MINUEND_FLOW=974, PETRI_DIFFERENCE_MINUEND_PLACES=91, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=148, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=112, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=35, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=1256, PETRI_PLACES=104, PETRI_TRANSITIONS=148} [2021-04-28 22:30:13,904 INFO L343 CegarLoopForPetriNet]: 148 programPoint places, -44 predicate places. [2021-04-28 22:30:13,904 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 22:30:13,904 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 104 places, 148 transitions, 1256 flow [2021-04-28 22:30:13,905 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 104 places, 148 transitions, 1256 flow [2021-04-28 22:30:13,906 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 102 places, 148 transitions, 1256 flow [2021-04-28 22:30:19,041 INFO L129 PetriNetUnfolder]: 29824/52852 cut-off events. [2021-04-28 22:30:19,042 INFO L130 PetriNetUnfolder]: For 73638/135442 co-relation queries the response was YES. [2021-04-28 22:30:19,611 INFO L84 FinitePrefix]: Finished finitePrefix Result has 235675 conditions, 52852 events. 29824/52852 cut-off events. For 73638/135442 co-relation queries the response was YES. Maximal size of possible extension queue 14690. Compared 635579 event pairs, 0 based on Foata normal form. 2/14391 useless extension candidates. Maximal degree in co-relation 235642. Up to 38016 conditions per place. [2021-04-28 22:30:21,409 INFO L146 LiptonReduction]: Number of co-enabled transitions 3928 [2021-04-28 22:30:21,582 INFO L158 LiptonReduction]: Checked pairs total: 2424 [2021-04-28 22:30:21,582 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 22:30:21,584 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 7680 [2021-04-28 22:30:21,585 INFO L480 AbstractCegarLoop]: Abstraction has has 102 places, 148 transitions, 1256 flow [2021-04-28 22:30:21,598 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 265.85714285714283) internal successors, (1861), 7 states have internal predecessors, (1861), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:30:21,598 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 22:30:21,598 INFO L263 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] [2021-04-28 22:30:21,598 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-04-28 22:30:21,598 INFO L428 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr3INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 22:30:21,613 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 22:30:21,614 INFO L82 PathProgramCache]: Analyzing trace with hash -1399110485, now seen corresponding path program 1 times [2021-04-28 22:30:21,614 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 22:30:21,614 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [488786290] [2021-04-28 22:30:21,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 22:30:21,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 22:30:21,750 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 22:30:21,751 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 22:30:21,758 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 22:30:21,760 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 22:30:21,773 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 22:30:21,775 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 22:30:21,789 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 22:30:21,790 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [488786290] [2021-04-28 22:30:21,790 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 22:30:21,790 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-28 22:30:21,790 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2044379385] [2021-04-28 22:30:21,791 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-28 22:30:21,791 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 22:30:21,791 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-28 22:30:21,792 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-04-28 22:30:21,794 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 241 out of 355 [2021-04-28 22:30:21,796 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 102 places, 148 transitions, 1256 flow. Second operand has 4 states, 4 states have (on average 242.0) internal successors, (968), 4 states have internal predecessors, (968), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:30:21,796 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 22:30:21,797 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 241 of 355 [2021-04-28 22:30:21,797 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 22:30:40,837 INFO L129 PetriNetUnfolder]: 69450/123367 cut-off events. [2021-04-28 22:30:40,837 INFO L130 PetriNetUnfolder]: For 175126/725020 co-relation queries the response was YES. [2021-04-28 22:30:41,720 INFO L84 FinitePrefix]: Finished finitePrefix Result has 548774 conditions, 123367 events. 69450/123367 cut-off events. For 175126/725020 co-relation queries the response was YES. Maximal size of possible extension queue 30978. Compared 1590364 event pairs, 0 based on Foata normal form. 88/32974 useless extension candidates. Maximal degree in co-relation 548739. Up to 88128 conditions per place. [2021-04-28 22:30:41,833 INFO L132 encePairwiseOnDemand]: 352/355 looper letters, 3 selfloop transitions, 2 changer transitions 18/149 dead transitions. [2021-04-28 22:30:41,833 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 105 places, 149 transitions, 1268 flow [2021-04-28 22:30:41,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-04-28 22:30:41,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-04-28 22:30:41,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 970 transitions. [2021-04-28 22:30:41,838 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6830985915492958 [2021-04-28 22:30:41,838 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 970 transitions. [2021-04-28 22:30:41,838 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 970 transitions. [2021-04-28 22:30:41,839 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 22:30:41,840 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 970 transitions. [2021-04-28 22:30:41,842 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 242.5) internal successors, (970), 4 states have internal predecessors, (970), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:30:41,846 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 355.0) internal successors, (1775), 5 states have internal predecessors, (1775), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:30:41,846 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 355.0) internal successors, (1775), 5 states have internal predecessors, (1775), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:30:41,847 INFO L185 Difference]: Start difference. First operand has 102 places, 148 transitions, 1256 flow. Second operand 4 states and 970 transitions. [2021-04-28 22:30:41,847 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 105 places, 149 transitions, 1268 flow Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown