/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/mix027_rmo.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-6f4246e9f5583d222ebb38ff8175c901f3a528f0-6f4246e [2021-04-28 19:27:42,659 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-04-28 19:27:42,662 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-04-28 19:27:42,700 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-04-28 19:27:42,701 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-04-28 19:27:42,705 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-04-28 19:27:42,709 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-04-28 19:27:42,716 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-04-28 19:27:42,719 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-04-28 19:27:42,725 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-04-28 19:27:42,726 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-04-28 19:27:42,729 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-04-28 19:27:42,730 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-04-28 19:27:42,733 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-04-28 19:27:42,735 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-04-28 19:27:42,737 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-04-28 19:27:42,738 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-04-28 19:27:42,740 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-04-28 19:27:42,748 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-04-28 19:27:42,754 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-04-28 19:27:42,755 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-04-28 19:27:42,757 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-04-28 19:27:42,759 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-04-28 19:27:42,761 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-04-28 19:27:42,770 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-04-28 19:27:42,780 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-04-28 19:27:42,781 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-04-28 19:27:42,783 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-04-28 19:27:42,784 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-04-28 19:27:42,785 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-04-28 19:27:42,785 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-04-28 19:27:42,786 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-04-28 19:27:42,786 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-04-28 19:27:42,787 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-04-28 19:27:42,788 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-04-28 19:27:42,789 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-04-28 19:27:42,790 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 19:27:42,838 INFO L113 SettingsManager]: Loading preferences was successful [2021-04-28 19:27:42,839 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-04-28 19:27:42,843 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-04-28 19:27:42,843 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-04-28 19:27:42,843 INFO L138 SettingsManager]: * Use SBE=true [2021-04-28 19:27:42,844 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-04-28 19:27:42,844 INFO L138 SettingsManager]: * sizeof long=4 [2021-04-28 19:27:42,844 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-04-28 19:27:42,844 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-04-28 19:27:42,845 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-04-28 19:27:42,846 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-04-28 19:27:42,846 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-04-28 19:27:42,846 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-04-28 19:27:42,846 INFO L138 SettingsManager]: * sizeof long double=12 [2021-04-28 19:27:42,847 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-04-28 19:27:42,847 INFO L138 SettingsManager]: * Use constant arrays=true [2021-04-28 19:27:42,847 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-04-28 19:27:42,847 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-04-28 19:27:42,847 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-04-28 19:27:42,848 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-04-28 19:27:42,848 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-04-28 19:27:42,848 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-04-28 19:27:42,848 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-04-28 19:27:42,849 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-04-28 19:27:42,849 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-04-28 19:27:42,849 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-04-28 19:27:42,849 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-04-28 19:27:42,849 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=SEMANTIC_BASED_MOVER_CHECK_WITH_PREDICATES [2021-04-28 19:27:42,850 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-04-28 19:27:42,850 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-04-28 19:27:42,850 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-04-28 19:27:43,261 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-04-28 19:27:43,285 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-04-28 19:27:43,288 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-04-28 19:27:43,290 INFO L271 PluginConnector]: Initializing CDTParser... [2021-04-28 19:27:43,291 INFO L275 PluginConnector]: CDTParser initialized [2021-04-28 19:27:43,292 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix027_rmo.opt.i [2021-04-28 19:27:43,376 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3edd48c9a/9b6b4a8b9ec6404993c6302f0c04dcfb/FLAG10872ee1c [2021-04-28 19:27:44,249 INFO L306 CDTParser]: Found 1 translation units. [2021-04-28 19:27:44,250 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix027_rmo.opt.i [2021-04-28 19:27:44,266 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3edd48c9a/9b6b4a8b9ec6404993c6302f0c04dcfb/FLAG10872ee1c [2021-04-28 19:27:44,467 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3edd48c9a/9b6b4a8b9ec6404993c6302f0c04dcfb [2021-04-28 19:27:44,470 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-04-28 19:27:44,513 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-04-28 19:27:44,515 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-04-28 19:27:44,515 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-04-28 19:27:44,519 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-04-28 19:27:44,520 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.04 07:27:44" (1/1) ... [2021-04-28 19:27:44,521 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2aa5473 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 07:27:44, skipping insertion in model container [2021-04-28 19:27:44,521 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.04 07:27:44" (1/1) ... [2021-04-28 19:27:44,529 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-04-28 19:27:44,577 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-04-28 19:27:44,780 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/mix027_rmo.opt.i[948,961] [2021-04-28 19:27:45,155 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-04-28 19:27:45,168 INFO L203 MainTranslator]: Completed pre-run [2021-04-28 19:27:45,182 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/mix027_rmo.opt.i[948,961] [2021-04-28 19:27:45,243 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-04-28 19:27:45,358 INFO L208 MainTranslator]: Completed translation [2021-04-28 19:27:45,359 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 07:27:45 WrapperNode [2021-04-28 19:27:45,359 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-04-28 19:27:45,360 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-04-28 19:27:45,360 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-04-28 19:27:45,361 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-04-28 19:27:45,369 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 07:27:45" (1/1) ... [2021-04-28 19:27:45,389 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 07:27:45" (1/1) ... [2021-04-28 19:27:45,419 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-04-28 19:27:45,419 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-04-28 19:27:45,420 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-04-28 19:27:45,420 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-04-28 19:27:45,430 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 07:27:45" (1/1) ... [2021-04-28 19:27:45,430 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 07:27:45" (1/1) ... [2021-04-28 19:27:45,435 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 07:27:45" (1/1) ... [2021-04-28 19:27:45,435 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 07:27:45" (1/1) ... [2021-04-28 19:27:45,446 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 07:27:45" (1/1) ... [2021-04-28 19:27:45,449 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 07:27:45" (1/1) ... [2021-04-28 19:27:45,454 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 07:27:45" (1/1) ... [2021-04-28 19:27:45,459 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-04-28 19:27:45,460 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-04-28 19:27:45,460 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-04-28 19:27:45,460 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-04-28 19:27:45,461 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 07:27:45" (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 19:27:45,577 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-04-28 19:27:45,578 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-04-28 19:27:45,578 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-04-28 19:27:45,578 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-04-28 19:27:45,580 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-04-28 19:27:45,580 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-04-28 19:27:45,581 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-04-28 19:27:45,581 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-04-28 19:27:45,581 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-04-28 19:27:45,581 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-04-28 19:27:45,581 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2021-04-28 19:27:45,582 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2021-04-28 19:27:45,582 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-04-28 19:27:45,582 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-04-28 19:27:45,582 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-04-28 19:27:45,582 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-04-28 19:27:45,586 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 19:27:47,788 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-04-28 19:27:47,789 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-04-28 19:27:47,791 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.04 07:27:47 BoogieIcfgContainer [2021-04-28 19:27:47,791 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-04-28 19:27:47,793 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-04-28 19:27:47,793 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-04-28 19:27:47,797 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-04-28 19:27:47,797 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.04 07:27:44" (1/3) ... [2021-04-28 19:27:47,798 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54c06e90 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.04 07:27:47, skipping insertion in model container [2021-04-28 19:27:47,798 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 07:27:45" (2/3) ... [2021-04-28 19:27:47,799 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54c06e90 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.04 07:27:47, skipping insertion in model container [2021-04-28 19:27:47,799 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.04 07:27:47" (3/3) ... [2021-04-28 19:27:47,800 INFO L111 eAbstractionObserver]: Analyzing ICFG mix027_rmo.opt.i [2021-04-28 19:27:47,809 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-04-28 19:27:47,814 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2021-04-28 19:27:47,815 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-04-28 19:27:47,862 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:27:47,863 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:27:47,863 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:27:47,863 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:27:47,864 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:27:47,864 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:27:47,864 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:27:47,864 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:27:47,865 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:27:47,865 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:27:47,865 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:27:47,865 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:27:47,866 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:27:47,866 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:27:47,866 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:27:47,869 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:27:47,870 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:27:47,870 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:27:47,870 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:27:47,870 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:27:47,870 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:27:47,871 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:27:47,871 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:27:47,871 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:27:47,871 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:27:47,871 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:27:47,871 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:27:47,872 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:27:47,872 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:27:47,872 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:27:47,872 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:27:47,872 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:27:47,873 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:27:47,873 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:27:47,873 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:27:47,873 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:27:47,873 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:27:47,873 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:27:47,874 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:27:47,874 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:27:47,874 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:27:47,874 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:27:47,874 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:27:47,874 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:27:47,875 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:27:47,875 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:27:47,875 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:27:47,875 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:27:47,875 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:27:47,875 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:27:47,876 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:27:47,876 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:27:47,876 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:27:47,876 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:27:47,877 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:27:47,877 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:27:47,877 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:27:47,877 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:27:47,879 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:27:47,880 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:27:47,880 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:27:47,880 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:27:47,880 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:27:47,880 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:27:47,881 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:27:47,881 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:27:47,881 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:27:47,881 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:27:47,881 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:27:47,881 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:27:47,882 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:27:47,882 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:27:47,882 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:27:47,882 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:27:47,882 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:27:47,882 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:27:47,883 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:27:47,883 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:27:47,883 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:27:47,883 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:27:47,883 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:27:47,884 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:27:47,884 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:27:47,884 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:27:47,884 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:27:47,884 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:27:47,885 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:27:47,885 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:27:47,885 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:27:47,885 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:27:47,885 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:27:47,885 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:27:47,885 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:27:47,886 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:27:47,886 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:27:47,886 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:27:47,889 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:27:47,889 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:27:47,890 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:27:47,890 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:27:47,890 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:27:47,890 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:27:47,891 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:27:47,891 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:27:47,891 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:27:47,891 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:27:47,891 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:27:47,892 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:27:47,892 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:27:47,892 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:27:47,892 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:27:47,893 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:27:47,893 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:27:47,893 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:27:47,893 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:27:47,893 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:27:47,894 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:27:47,894 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:27:47,894 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:27:47,894 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:27:47,894 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:27:47,895 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:27:47,895 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:27:47,895 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:27:47,896 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:27:47,896 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:27:47,896 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:27:47,896 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:27:47,896 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:27:47,896 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:27:47,897 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:27:47,897 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:27:47,897 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:27:47,898 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:27:47,898 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:27:47,898 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:27:47,898 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:27:47,898 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:27:47,899 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:27:47,899 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:27:47,899 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:27:47,899 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:27:47,900 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:27:47,900 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:27:47,900 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:27:47,900 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:27:47,900 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:27:47,900 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:27:47,901 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:27:47,901 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:27:47,901 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:27:47,901 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:27:47,902 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:27:47,902 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:27:47,902 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:27:47,902 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:27:47,903 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:27:47,903 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:27:47,903 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:27:47,903 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:27:47,906 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:27:47,906 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:27:47,906 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:27:47,907 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:27:47,907 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:27:47,907 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:27:47,907 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:27:47,907 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:27:47,908 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:27:47,908 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:27:47,908 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:27:47,908 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:27:47,908 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:27:47,909 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:27:47,909 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:27:47,909 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:27:47,909 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:27:47,909 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:27:47,910 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:27:47,910 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:27:47,910 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:27:47,910 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:27:47,910 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:27:47,911 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:27:47,911 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:27:47,911 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:27:47,911 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:27:47,913 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:27:47,914 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:27:47,914 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:27:47,914 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:27:47,914 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:27:47,915 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:27:47,915 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:27:47,915 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:27:47,915 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:27:47,915 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:27:47,916 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:27:47,916 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:27:47,918 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:27:47,918 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:27:47,918 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:27:47,918 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:27:47,919 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:27:47,919 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:27:47,919 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:27:47,919 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:27:47,919 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:27:47,920 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:27:47,921 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:27:47,922 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:27:47,922 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:27:47,922 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:27:47,923 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-04-28 19:27:47,947 INFO L253 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2021-04-28 19:27:47,973 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-04-28 19:27:47,973 INFO L377 AbstractCegarLoop]: Hoare is false [2021-04-28 19:27:47,973 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-04-28 19:27:47,973 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-04-28 19:27:47,973 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-04-28 19:27:47,973 INFO L381 AbstractCegarLoop]: Difference is false [2021-04-28 19:27:47,974 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-04-28 19:27:47,974 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-04-28 19:27:47,989 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 126 places, 115 transitions, 250 flow [2021-04-28 19:27:48,045 INFO L129 PetriNetUnfolder]: 2/111 cut-off events. [2021-04-28 19:27:48,046 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 19:27:48,051 INFO L84 FinitePrefix]: Finished finitePrefix Result has 124 conditions, 111 events. 2/111 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 82 event pairs, 0 based on Foata normal form. 0/107 useless extension candidates. Maximal degree in co-relation 75. Up to 2 conditions per place. [2021-04-28 19:27:48,051 INFO L82 GeneralOperation]: Start removeDead. Operand has 126 places, 115 transitions, 250 flow [2021-04-28 19:27:48,058 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 122 places, 111 transitions, 234 flow [2021-04-28 19:27:48,059 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 19:27:48,075 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 122 places, 111 transitions, 234 flow [2021-04-28 19:27:48,079 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 122 places, 111 transitions, 234 flow [2021-04-28 19:27:48,082 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 122 places, 111 transitions, 234 flow [2021-04-28 19:27:48,110 INFO L129 PetriNetUnfolder]: 2/111 cut-off events. [2021-04-28 19:27:48,110 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 19:27:48,111 INFO L84 FinitePrefix]: Finished finitePrefix Result has 124 conditions, 111 events. 2/111 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 83 event pairs, 0 based on Foata normal form. 0/107 useless extension candidates. Maximal degree in co-relation 75. Up to 2 conditions per place. [2021-04-28 19:27:48,116 INFO L146 LiptonReduction]: Number of co-enabled transitions 2512 [2021-04-28 19:27:51,263 WARN L205 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 60 [2021-04-28 19:27:51,384 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2021-04-28 19:27:51,929 WARN L205 SmtUtils]: Spent 542.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 83 [2021-04-28 19:27:52,145 WARN L205 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2021-04-28 19:28:02,088 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 48 [2021-04-28 19:28:08,985 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-28 19:28:09,431 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 19:28:09,539 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 19:28:09,641 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 19:28:09,747 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 19:28:10,163 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 19:28:10,271 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 19:28:10,378 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 19:28:10,486 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 19:28:11,153 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2021-04-28 19:28:11,283 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2021-04-28 19:28:11,480 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2021-04-28 19:28:11,646 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2021-04-28 19:28:11,799 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2021-04-28 19:28:11,950 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2021-04-28 19:28:12,103 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2021-04-28 19:28:12,245 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2021-04-28 19:28:13,941 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-28 19:28:16,154 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 19:28:16,276 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 19:28:16,420 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 19:28:16,542 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 19:28:16,702 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 19:28:16,859 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 19:28:17,016 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 19:28:17,177 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 19:28:17,314 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 19:28:17,452 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 19:28:17,597 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 19:28:17,742 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 19:28:17,913 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 19:28:18,084 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 19:28:18,252 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 19:28:18,421 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 19:28:18,898 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 19:28:19,023 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 19:28:19,158 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 19:28:19,324 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 19:28:19,446 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 19:28:19,571 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 19:28:19,694 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 19:28:19,814 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 19:28:19,996 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 19:28:20,169 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 19:28:20,344 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 19:28:20,518 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 19:28:20,653 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 19:28:20,792 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 19:28:20,930 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 19:28:21,068 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 19:28:21,368 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 19:28:21,472 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 19:28:21,615 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 19:28:21,755 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 19:28:21,901 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 19:28:22,040 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 19:28:22,252 WARN L205 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 19:28:22,445 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 19:28:22,645 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 19:28:22,847 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 19:28:23,003 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 19:28:23,160 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 19:28:23,314 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 19:28:23,468 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 19:28:23,597 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 19:28:23,725 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 19:28:23,853 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 19:28:23,980 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 19:28:24,186 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-04-28 19:28:24,386 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-04-28 19:28:24,583 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-04-28 19:28:24,775 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-04-28 19:28:24,986 WARN L205 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 19:28:25,192 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 19:28:25,405 WARN L205 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 19:28:25,629 WARN L205 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 19:28:25,770 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 19:28:25,910 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 19:28:26,054 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 19:28:26,200 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 19:28:26,694 WARN L205 SmtUtils]: Spent 493.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 117 [2021-04-28 19:28:26,932 WARN L205 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2021-04-28 19:28:27,444 WARN L205 SmtUtils]: Spent 510.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 117 [2021-04-28 19:28:27,675 WARN L205 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2021-04-28 19:28:27,840 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 19:28:28,008 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 19:28:28,184 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 19:28:28,354 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 19:28:28,870 WARN L205 SmtUtils]: Spent 514.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 122 [2021-04-28 19:28:29,130 WARN L205 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2021-04-28 19:28:29,643 WARN L205 SmtUtils]: Spent 511.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 122 [2021-04-28 19:28:29,890 WARN L205 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2021-04-28 19:28:30,100 WARN L205 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 19:28:30,313 WARN L205 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 19:28:30,517 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 19:28:30,717 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 19:28:30,921 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 19:28:31,127 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 19:28:31,335 WARN L205 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 19:28:31,542 WARN L205 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 19:28:31,753 WARN L205 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 19:28:31,968 WARN L205 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 19:28:32,177 WARN L205 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 19:28:32,394 WARN L205 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 19:28:32,528 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 19:28:32,659 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 19:28:32,788 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 19:28:32,920 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 19:28:33,129 WARN L205 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 19:28:33,339 WARN L205 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 19:28:33,543 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 19:28:33,754 WARN L205 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 19:28:33,966 WARN L205 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 19:28:34,176 WARN L205 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 19:28:34,385 WARN L205 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 19:28:34,600 WARN L205 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 19:28:34,780 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 19:28:34,960 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 19:28:35,141 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 19:28:35,320 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 19:28:35,514 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 19:28:35,717 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 19:28:35,912 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 19:28:36,105 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 19:28:36,175 INFO L158 LiptonReduction]: Checked pairs total: 24971 [2021-04-28 19:28:36,175 INFO L160 LiptonReduction]: Total number of compositions: 289 [2021-04-28 19:28:36,181 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 48123 [2021-04-28 19:28:36,205 INFO L129 PetriNetUnfolder]: 0/79 cut-off events. [2021-04-28 19:28:36,206 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 19:28:36,206 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 19:28:36,207 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-04-28 19:28:36,207 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 19:28:36,213 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 19:28:36,213 INFO L82 PathProgramCache]: Analyzing trace with hash -1795852820, now seen corresponding path program 1 times [2021-04-28 19:28:36,223 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 19:28:36,224 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [820097758] [2021-04-28 19:28:36,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 19:28:36,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 19:28:36,539 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 19:28:36,541 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 19:28:36,556 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 19:28:36,556 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [820097758] [2021-04-28 19:28:36,558 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 19:28:36,558 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-04-28 19:28:36,559 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2146839305] [2021-04-28 19:28:36,569 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-28 19:28:36,569 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 19:28:36,584 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-28 19:28:36,587 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-28 19:28:36,593 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 328 out of 404 [2021-04-28 19:28:36,602 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 154 places, 142 transitions, 296 flow. Second operand has 3 states, 3 states have (on average 328.6666666666667) internal successors, (986), 3 states have internal predecessors, (986), 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 19:28:36,602 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 19:28:36,602 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 328 of 404 [2021-04-28 19:28:36,608 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 19:28:36,801 INFO L129 PetriNetUnfolder]: 29/429 cut-off events. [2021-04-28 19:28:36,801 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 19:28:36,805 INFO L84 FinitePrefix]: Finished finitePrefix Result has 508 conditions, 429 events. 29/429 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 69. Compared 3400 event pairs, 15 based on Foata normal form. 23/106 useless extension candidates. Maximal degree in co-relation 426. Up to 41 conditions per place. [2021-04-28 19:28:36,808 INFO L132 encePairwiseOnDemand]: 386/404 looper letters, 7 selfloop transitions, 2 changer transitions 63/141 dead transitions. [2021-04-28 19:28:36,808 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 153 places, 141 transitions, 336 flow [2021-04-28 19:28:36,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-28 19:28:36,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-28 19:28:36,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1012 transitions. [2021-04-28 19:28:36,830 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.834983498349835 [2021-04-28 19:28:36,831 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1012 transitions. [2021-04-28 19:28:36,831 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1012 transitions. [2021-04-28 19:28:36,835 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 19:28:36,838 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1012 transitions. [2021-04-28 19:28:36,845 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 337.3333333333333) internal successors, (1012), 3 states have internal predecessors, (1012), 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 19:28:36,856 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 404.0) internal successors, (1616), 4 states have internal predecessors, (1616), 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 19:28:36,858 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 404.0) internal successors, (1616), 4 states have internal predecessors, (1616), 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 19:28:36,860 INFO L185 Difference]: Start difference. First operand has 154 places, 142 transitions, 296 flow. Second operand 3 states and 1012 transitions. [2021-04-28 19:28:36,862 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 153 places, 141 transitions, 336 flow [2021-04-28 19:28:36,866 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 149 places, 141 transitions, 332 flow, removed 0 selfloop flow, removed 4 redundant places. [2021-04-28 19:28:36,869 INFO L241 Difference]: Finished difference. Result has 149 places, 75 transitions, 162 flow [2021-04-28 19:28:36,872 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=404, PETRI_DIFFERENCE_MINUEND_FLOW=284, PETRI_DIFFERENCE_MINUEND_PLACES=147, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=138, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=136, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=162, PETRI_PLACES=149, PETRI_TRANSITIONS=75} [2021-04-28 19:28:36,873 INFO L343 CegarLoopForPetriNet]: 154 programPoint places, -5 predicate places. [2021-04-28 19:28:36,873 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 19:28:36,873 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 149 places, 75 transitions, 162 flow [2021-04-28 19:28:36,874 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 149 places, 75 transitions, 162 flow [2021-04-28 19:28:36,874 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 86 places, 75 transitions, 162 flow [2021-04-28 19:28:36,886 INFO L129 PetriNetUnfolder]: 0/75 cut-off events. [2021-04-28 19:28:36,886 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 19:28:36,886 INFO L84 FinitePrefix]: Finished finitePrefix Result has 87 conditions, 75 events. 0/75 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 348 event pairs, 0 based on Foata normal form. 0/27 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2021-04-28 19:28:36,888 INFO L146 LiptonReduction]: Number of co-enabled transitions 2820 [2021-04-28 19:28:37,153 INFO L158 LiptonReduction]: Checked pairs total: 3748 [2021-04-28 19:28:37,153 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 19:28:37,154 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 281 [2021-04-28 19:28:37,156 INFO L480 AbstractCegarLoop]: Abstraction has has 86 places, 75 transitions, 162 flow [2021-04-28 19:28:37,157 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 328.6666666666667) internal successors, (986), 3 states have internal predecessors, (986), 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 19:28:37,158 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 19:28:37,158 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 19:28:37,158 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-04-28 19:28:37,158 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 19:28:37,159 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 19:28:37,159 INFO L82 PathProgramCache]: Analyzing trace with hash -1829390289, now seen corresponding path program 1 times [2021-04-28 19:28:37,159 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 19:28:37,160 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1015884520] [2021-04-28 19:28:37,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 19:28:37,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 19:28:37,308 INFO L142 QuantifierPusher]: treesize reduction 3, result has 87.5 percent of original size [2021-04-28 19:28:37,309 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-28 19:28:37,322 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 19:28:37,322 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1015884520] [2021-04-28 19:28:37,323 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 19:28:37,323 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-04-28 19:28:37,324 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [704167958] [2021-04-28 19:28:37,325 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-28 19:28:37,326 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 19:28:37,331 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-28 19:28:37,332 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-28 19:28:37,340 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 240 out of 404 [2021-04-28 19:28:37,342 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 86 places, 75 transitions, 162 flow. Second operand has 3 states, 3 states have (on average 240.66666666666666) internal successors, (722), 3 states have internal predecessors, (722), 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 19:28:37,343 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 19:28:37,343 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 240 of 404 [2021-04-28 19:28:37,343 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 19:28:39,415 INFO L129 PetriNetUnfolder]: 5247/12903 cut-off events. [2021-04-28 19:28:39,416 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 19:28:39,485 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20562 conditions, 12903 events. 5247/12903 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 1816. Compared 157778 event pairs, 1730 based on Foata normal form. 0/7940 useless extension candidates. Maximal degree in co-relation 20553. Up to 3952 conditions per place. [2021-04-28 19:28:39,507 INFO L132 encePairwiseOnDemand]: 380/404 looper letters, 8 selfloop transitions, 8 changer transitions 50/106 dead transitions. [2021-04-28 19:28:39,507 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 88 places, 106 transitions, 356 flow [2021-04-28 19:28:39,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-28 19:28:39,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-28 19:28:39,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 783 transitions. [2021-04-28 19:28:39,511 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6460396039603961 [2021-04-28 19:28:39,511 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 783 transitions. [2021-04-28 19:28:39,511 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 783 transitions. [2021-04-28 19:28:39,512 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 19:28:39,512 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 783 transitions. [2021-04-28 19:28:39,515 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 261.0) internal successors, (783), 3 states have internal predecessors, (783), 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 19:28:39,519 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 404.0) internal successors, (1616), 4 states have internal predecessors, (1616), 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 19:28:39,520 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 404.0) internal successors, (1616), 4 states have internal predecessors, (1616), 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 19:28:39,521 INFO L185 Difference]: Start difference. First operand has 86 places, 75 transitions, 162 flow. Second operand 3 states and 783 transitions. [2021-04-28 19:28:39,521 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 88 places, 106 transitions, 356 flow [2021-04-28 19:28:39,523 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 86 places, 106 transitions, 352 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-04-28 19:28:39,525 INFO L241 Difference]: Finished difference. Result has 88 places, 56 transitions, 168 flow [2021-04-28 19:28:39,525 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=404, PETRI_DIFFERENCE_MINUEND_FLOW=158, PETRI_DIFFERENCE_MINUEND_PLACES=84, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=75, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=67, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=168, PETRI_PLACES=88, PETRI_TRANSITIONS=56} [2021-04-28 19:28:39,526 INFO L343 CegarLoopForPetriNet]: 154 programPoint places, -66 predicate places. [2021-04-28 19:28:39,526 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 19:28:39,526 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 88 places, 56 transitions, 168 flow [2021-04-28 19:28:39,527 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 88 places, 56 transitions, 168 flow [2021-04-28 19:28:39,527 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 62 places, 56 transitions, 168 flow [2021-04-28 19:28:39,658 INFO L129 PetriNetUnfolder]: 241/821 cut-off events. [2021-04-28 19:28:39,658 INFO L130 PetriNetUnfolder]: For 102/113 co-relation queries the response was YES. [2021-04-28 19:28:39,664 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1418 conditions, 821 events. 241/821 cut-off events. For 102/113 co-relation queries the response was YES. Maximal size of possible extension queue 115. Compared 6731 event pairs, 83 based on Foata normal form. 0/556 useless extension candidates. Maximal degree in co-relation 1409. Up to 263 conditions per place. [2021-04-28 19:28:39,682 INFO L146 LiptonReduction]: Number of co-enabled transitions 1762 [2021-04-28 19:28:39,763 INFO L158 LiptonReduction]: Checked pairs total: 742 [2021-04-28 19:28:39,764 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 19:28:39,764 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 238 [2021-04-28 19:28:39,769 INFO L480 AbstractCegarLoop]: Abstraction has has 62 places, 56 transitions, 168 flow [2021-04-28 19:28:39,770 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 240.66666666666666) internal successors, (722), 3 states have internal predecessors, (722), 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 19:28:39,770 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 19:28:39,770 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 19:28:39,770 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-04-28 19:28:39,770 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 19:28:39,771 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 19:28:39,771 INFO L82 PathProgramCache]: Analyzing trace with hash -876526371, now seen corresponding path program 1 times [2021-04-28 19:28:39,771 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 19:28:39,771 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1737067407] [2021-04-28 19:28:39,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 19:28:39,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 19:28:39,902 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 19:28:39,903 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 19:28:39,907 INFO L142 QuantifierPusher]: treesize reduction 3, result has 87.5 percent of original size [2021-04-28 19:28:39,909 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-28 19:28:39,919 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 19:28:39,920 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1737067407] [2021-04-28 19:28:39,920 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 19:28:39,920 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-04-28 19:28:39,920 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [529507378] [2021-04-28 19:28:39,921 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-28 19:28:39,922 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 19:28:39,922 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-28 19:28:39,925 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-04-28 19:28:39,928 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 240 out of 404 [2021-04-28 19:28:39,930 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 62 places, 56 transitions, 168 flow. Second operand has 4 states, 4 states have (on average 240.75) internal successors, (963), 4 states have internal predecessors, (963), 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 19:28:39,930 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 19:28:39,930 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 240 of 404 [2021-04-28 19:28:39,931 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 19:28:40,060 INFO L129 PetriNetUnfolder]: 170/631 cut-off events. [2021-04-28 19:28:40,060 INFO L130 PetriNetUnfolder]: For 112/349 co-relation queries the response was YES. [2021-04-28 19:28:40,063 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1372 conditions, 631 events. 170/631 cut-off events. For 112/349 co-relation queries the response was YES. Maximal size of possible extension queue 75. Compared 4680 event pairs, 24 based on Foata normal form. 13/447 useless extension candidates. Maximal degree in co-relation 1361. Up to 187 conditions per place. [2021-04-28 19:28:40,069 INFO L132 encePairwiseOnDemand]: 396/404 looper letters, 16 selfloop transitions, 8 changer transitions 0/64 dead transitions. [2021-04-28 19:28:40,069 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 65 places, 64 transitions, 256 flow [2021-04-28 19:28:40,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-04-28 19:28:40,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-04-28 19:28:40,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 979 transitions. [2021-04-28 19:28:40,074 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6058168316831684 [2021-04-28 19:28:40,074 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 979 transitions. [2021-04-28 19:28:40,074 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 979 transitions. [2021-04-28 19:28:40,075 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 19:28:40,075 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 979 transitions. [2021-04-28 19:28:40,078 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 244.75) internal successors, (979), 4 states have internal predecessors, (979), 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 19:28:40,082 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 404.0) internal successors, (2020), 5 states have internal predecessors, (2020), 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 19:28:40,084 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 404.0) internal successors, (2020), 5 states have internal predecessors, (2020), 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 19:28:40,084 INFO L185 Difference]: Start difference. First operand has 62 places, 56 transitions, 168 flow. Second operand 4 states and 979 transitions. [2021-04-28 19:28:40,085 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 65 places, 64 transitions, 256 flow [2021-04-28 19:28:40,090 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 63 places, 64 transitions, 232 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-04-28 19:28:40,093 INFO L241 Difference]: Finished difference. Result has 66 places, 60 transitions, 210 flow [2021-04-28 19:28:40,093 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=404, PETRI_DIFFERENCE_MINUEND_FLOW=152, PETRI_DIFFERENCE_MINUEND_PLACES=60, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=56, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=48, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=210, PETRI_PLACES=66, PETRI_TRANSITIONS=60} [2021-04-28 19:28:40,094 INFO L343 CegarLoopForPetriNet]: 154 programPoint places, -88 predicate places. [2021-04-28 19:28:40,094 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 19:28:40,094 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 66 places, 60 transitions, 210 flow [2021-04-28 19:28:40,095 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 66 places, 60 transitions, 210 flow [2021-04-28 19:28:40,096 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 66 places, 60 transitions, 210 flow [2021-04-28 19:28:40,168 INFO L129 PetriNetUnfolder]: 170/584 cut-off events. [2021-04-28 19:28:40,169 INFO L130 PetriNetUnfolder]: For 185/192 co-relation queries the response was YES. [2021-04-28 19:28:40,172 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1171 conditions, 584 events. 170/584 cut-off events. For 185/192 co-relation queries the response was YES. Maximal size of possible extension queue 80. Compared 4295 event pairs, 48 based on Foata normal form. 0/411 useless extension candidates. Maximal degree in co-relation 1159. Up to 187 conditions per place. [2021-04-28 19:28:40,187 INFO L146 LiptonReduction]: Number of co-enabled transitions 1930 [2021-04-28 19:28:40,201 INFO L158 LiptonReduction]: Checked pairs total: 879 [2021-04-28 19:28:40,202 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 19:28:40,202 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 108 [2021-04-28 19:28:40,208 INFO L480 AbstractCegarLoop]: Abstraction has has 66 places, 60 transitions, 210 flow [2021-04-28 19:28:40,209 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 240.75) internal successors, (963), 4 states have internal predecessors, (963), 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 19:28:40,209 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 19:28:40,209 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 19:28:40,209 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-04-28 19:28:40,210 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 19:28:40,210 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 19:28:40,210 INFO L82 PathProgramCache]: Analyzing trace with hash -1402543606, now seen corresponding path program 1 times [2021-04-28 19:28:40,213 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 19:28:40,215 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [693321299] [2021-04-28 19:28:40,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 19:28:40,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 19:28:40,299 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 19:28:40,300 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 19:28:40,304 INFO L142 QuantifierPusher]: treesize reduction 3, result has 87.5 percent of original size [2021-04-28 19:28:40,305 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-28 19:28:40,314 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 19:28:40,315 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [693321299] [2021-04-28 19:28:40,315 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 19:28:40,315 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-04-28 19:28:40,315 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1426115521] [2021-04-28 19:28:40,316 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-28 19:28:40,316 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 19:28:40,316 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-28 19:28:40,317 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-04-28 19:28:40,319 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 240 out of 404 [2021-04-28 19:28:40,321 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 66 places, 60 transitions, 210 flow. Second operand has 4 states, 4 states have (on average 241.0) internal successors, (964), 4 states have internal predecessors, (964), 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 19:28:40,321 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 19:28:40,321 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 240 of 404 [2021-04-28 19:28:40,321 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 19:28:40,431 INFO L129 PetriNetUnfolder]: 152/540 cut-off events. [2021-04-28 19:28:40,432 INFO L130 PetriNetUnfolder]: For 215/474 co-relation queries the response was YES. [2021-04-28 19:28:40,435 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1341 conditions, 540 events. 152/540 cut-off events. For 215/474 co-relation queries the response was YES. Maximal size of possible extension queue 66. Compared 3706 event pairs, 30 based on Foata normal form. 12/394 useless extension candidates. Maximal degree in co-relation 1327. Up to 171 conditions per place. [2021-04-28 19:28:40,440 INFO L132 encePairwiseOnDemand]: 395/404 looper letters, 16 selfloop transitions, 18 changer transitions 0/74 dead transitions. [2021-04-28 19:28:40,440 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 69 places, 74 transitions, 364 flow [2021-04-28 19:28:40,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-04-28 19:28:40,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-04-28 19:28:40,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 983 transitions. [2021-04-28 19:28:40,444 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6082920792079208 [2021-04-28 19:28:40,445 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 983 transitions. [2021-04-28 19:28:40,445 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 983 transitions. [2021-04-28 19:28:40,446 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 19:28:40,446 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 983 transitions. [2021-04-28 19:28:40,449 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 245.75) internal successors, (983), 4 states have internal predecessors, (983), 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 19:28:40,453 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 404.0) internal successors, (2020), 5 states have internal predecessors, (2020), 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 19:28:40,455 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 404.0) internal successors, (2020), 5 states have internal predecessors, (2020), 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 19:28:40,455 INFO L185 Difference]: Start difference. First operand has 66 places, 60 transitions, 210 flow. Second operand 4 states and 983 transitions. [2021-04-28 19:28:40,455 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 69 places, 74 transitions, 364 flow [2021-04-28 19:28:40,458 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 68 places, 74 transitions, 359 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-04-28 19:28:40,460 INFO L241 Difference]: Finished difference. Result has 71 places, 71 transitions, 364 flow [2021-04-28 19:28:40,461 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=404, PETRI_DIFFERENCE_MINUEND_FLOW=207, PETRI_DIFFERENCE_MINUEND_PLACES=65, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=60, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=46, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=364, PETRI_PLACES=71, PETRI_TRANSITIONS=71} [2021-04-28 19:28:40,461 INFO L343 CegarLoopForPetriNet]: 154 programPoint places, -83 predicate places. [2021-04-28 19:28:40,461 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 19:28:40,461 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 71 places, 71 transitions, 364 flow [2021-04-28 19:28:40,462 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 71 places, 71 transitions, 364 flow [2021-04-28 19:28:40,462 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 71 places, 71 transitions, 364 flow [2021-04-28 19:28:40,534 INFO L129 PetriNetUnfolder]: 152/554 cut-off events. [2021-04-28 19:28:40,534 INFO L130 PetriNetUnfolder]: For 600/624 co-relation queries the response was YES. [2021-04-28 19:28:40,537 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1408 conditions, 554 events. 152/554 cut-off events. For 600/624 co-relation queries the response was YES. Maximal size of possible extension queue 71. Compared 4034 event pairs, 40 based on Foata normal form. 2/388 useless extension candidates. Maximal degree in co-relation 1392. Up to 171 conditions per place. [2021-04-28 19:28:40,552 INFO L146 LiptonReduction]: Number of co-enabled transitions 2358 [2021-04-28 19:28:40,841 INFO L158 LiptonReduction]: Checked pairs total: 1291 [2021-04-28 19:28:40,842 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 19:28:40,842 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 381 [2021-04-28 19:28:40,844 INFO L480 AbstractCegarLoop]: Abstraction has has 71 places, 71 transitions, 364 flow [2021-04-28 19:28:40,845 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 241.0) internal successors, (964), 4 states have internal predecessors, (964), 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 19:28:40,845 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 19:28:40,846 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 19:28:40,846 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-04-28 19:28:40,846 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 19:28:40,846 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 19:28:40,847 INFO L82 PathProgramCache]: Analyzing trace with hash -1654745206, now seen corresponding path program 1 times [2021-04-28 19:28:40,847 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 19:28:40,847 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1293534886] [2021-04-28 19:28:40,847 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 19:28:40,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 19:28:40,901 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 19:28:40,901 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 19:28:40,907 INFO L142 QuantifierPusher]: treesize reduction 11, result has 54.2 percent of original size [2021-04-28 19:28:40,908 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-28 19:28:40,914 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 19:28:40,915 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 19:28:40,915 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 19:28:40,916 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1293534886] [2021-04-28 19:28:40,916 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 19:28:40,916 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-28 19:28:40,916 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1133908756] [2021-04-28 19:28:40,917 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-28 19:28:40,917 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 19:28:40,917 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-28 19:28:40,917 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-04-28 19:28:40,919 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 307 out of 404 [2021-04-28 19:28:40,922 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 71 places, 71 transitions, 364 flow. Second operand has 4 states, 4 states have (on average 307.75) internal successors, (1231), 4 states have internal predecessors, (1231), 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 19:28:40,922 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 19:28:40,922 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 307 of 404 [2021-04-28 19:28:40,922 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 19:28:48,954 INFO L129 PetriNetUnfolder]: 48532/73279 cut-off events. [2021-04-28 19:28:48,955 INFO L130 PetriNetUnfolder]: For 4555/4728 co-relation queries the response was YES. [2021-04-28 19:28:49,404 INFO L84 FinitePrefix]: Finished finitePrefix Result has 149345 conditions, 73279 events. 48532/73279 cut-off events. For 4555/4728 co-relation queries the response was YES. Maximal size of possible extension queue 12105. Compared 712513 event pairs, 25061 based on Foata normal form. 1364/22010 useless extension candidates. Maximal degree in co-relation 149327. Up to 46444 conditions per place. [2021-04-28 19:28:49,830 INFO L132 encePairwiseOnDemand]: 384/404 looper letters, 34 selfloop transitions, 33 changer transitions 0/115 dead transitions. [2021-04-28 19:28:49,831 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 75 places, 115 transitions, 586 flow [2021-04-28 19:28:49,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-28 19:28:49,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-04-28 19:28:49,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1601 transitions. [2021-04-28 19:28:49,836 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7925742574257426 [2021-04-28 19:28:49,837 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1601 transitions. [2021-04-28 19:28:49,837 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1601 transitions. [2021-04-28 19:28:49,838 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 19:28:49,838 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1601 transitions. [2021-04-28 19:28:49,844 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 320.2) internal successors, (1601), 5 states have internal predecessors, (1601), 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 19:28:49,849 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 404.0) internal successors, (2424), 6 states have internal predecessors, (2424), 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 19:28:49,852 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 404.0) internal successors, (2424), 6 states have internal predecessors, (2424), 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 19:28:49,852 INFO L185 Difference]: Start difference. First operand has 71 places, 71 transitions, 364 flow. Second operand 5 states and 1601 transitions. [2021-04-28 19:28:49,852 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 75 places, 115 transitions, 586 flow [2021-04-28 19:28:49,880 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 75 places, 115 transitions, 586 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-04-28 19:28:49,883 INFO L241 Difference]: Finished difference. Result has 78 places, 102 transitions, 610 flow [2021-04-28 19:28:49,883 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=404, PETRI_DIFFERENCE_MINUEND_FLOW=364, PETRI_DIFFERENCE_MINUEND_PLACES=71, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=71, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=51, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=610, PETRI_PLACES=78, PETRI_TRANSITIONS=102} [2021-04-28 19:28:49,884 INFO L343 CegarLoopForPetriNet]: 154 programPoint places, -76 predicate places. [2021-04-28 19:28:49,884 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 19:28:49,884 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 78 places, 102 transitions, 610 flow [2021-04-28 19:28:49,884 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 78 places, 102 transitions, 610 flow [2021-04-28 19:28:49,885 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 78 places, 102 transitions, 610 flow [2021-04-28 19:28:56,093 INFO L129 PetriNetUnfolder]: 43914/67191 cut-off events. [2021-04-28 19:28:56,093 INFO L130 PetriNetUnfolder]: For 14882/134341 co-relation queries the response was YES. [2021-04-28 19:28:56,653 INFO L84 FinitePrefix]: Finished finitePrefix Result has 192714 conditions, 67191 events. 43914/67191 cut-off events. For 14882/134341 co-relation queries the response was YES. Maximal size of possible extension queue 10744. Compared 668056 event pairs, 23968 based on Foata normal form. 16/19391 useless extension candidates. Maximal degree in co-relation 192693. Up to 63254 conditions per place. [2021-04-28 19:28:57,252 INFO L146 LiptonReduction]: Number of co-enabled transitions 3722 [2021-04-28 19:29:15,127 INFO L158 LiptonReduction]: Checked pairs total: 2151 [2021-04-28 19:29:15,127 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 19:29:15,127 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 25243 [2021-04-28 19:29:15,128 INFO L480 AbstractCegarLoop]: Abstraction has has 78 places, 102 transitions, 610 flow [2021-04-28 19:29:15,130 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 307.75) internal successors, (1231), 4 states have internal predecessors, (1231), 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 19:29:15,130 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 19:29:15,130 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 19:29:15,130 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-04-28 19:29:15,130 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 19:29:15,131 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 19:29:15,131 INFO L82 PathProgramCache]: Analyzing trace with hash -1372233967, now seen corresponding path program 1 times [2021-04-28 19:29:15,131 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 19:29:15,131 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1710021588] [2021-04-28 19:29:15,131 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 19:29:15,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 19:29:15,173 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 19:29:15,174 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 19:29:15,174 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 19:29:15,175 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 19:29:15,178 INFO L142 QuantifierPusher]: treesize reduction 3, result has 87.5 percent of original size [2021-04-28 19:29:15,179 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-28 19:29:15,189 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 19:29:15,189 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1710021588] [2021-04-28 19:29:15,189 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 19:29:15,189 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-28 19:29:15,190 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1306413320] [2021-04-28 19:29:15,190 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-28 19:29:15,190 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 19:29:15,191 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-28 19:29:15,191 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-04-28 19:29:15,193 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 240 out of 404 [2021-04-28 19:29:15,194 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 78 places, 102 transitions, 610 flow. Second operand has 4 states, 4 states have (on average 241.25) internal successors, (965), 4 states have internal predecessors, (965), 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 19:29:15,194 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 19:29:15,195 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 240 of 404 [2021-04-28 19:29:15,195 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 19:29:26,238 INFO L129 PetriNetUnfolder]: 72090/108381 cut-off events. [2021-04-28 19:29:26,239 INFO L130 PetriNetUnfolder]: For 28407/350984 co-relation queries the response was YES. [2021-04-28 19:29:26,692 INFO L84 FinitePrefix]: Finished finitePrefix Result has 312199 conditions, 108381 events. 72090/108381 cut-off events. For 28407/350984 co-relation queries the response was YES. Maximal size of possible extension queue 17538. Compared 1089396 event pairs, 41115 based on Foata normal form. 735/31987 useless extension candidates. Maximal degree in co-relation 312176. Up to 102938 conditions per place. [2021-04-28 19:29:27,069 INFO L132 encePairwiseOnDemand]: 395/404 looper letters, 19 selfloop transitions, 24 changer transitions 0/114 dead transitions. [2021-04-28 19:29:27,069 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 81 places, 114 transitions, 794 flow [2021-04-28 19:29:27,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-04-28 19:29:27,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-04-28 19:29:27,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 983 transitions. [2021-04-28 19:29:27,079 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6082920792079208 [2021-04-28 19:29:27,079 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 983 transitions. [2021-04-28 19:29:27,079 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 983 transitions. [2021-04-28 19:29:27,080 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 19:29:27,080 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 983 transitions. [2021-04-28 19:29:27,089 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 245.75) internal successors, (983), 4 states have internal predecessors, (983), 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 19:29:27,098 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 404.0) internal successors, (2020), 5 states have internal predecessors, (2020), 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 19:29:27,099 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 404.0) internal successors, (2020), 5 states have internal predecessors, (2020), 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 19:29:27,099 INFO L185 Difference]: Start difference. First operand has 78 places, 102 transitions, 610 flow. Second operand 4 states and 983 transitions. [2021-04-28 19:29:27,099 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 81 places, 114 transitions, 794 flow [2021-04-28 19:29:27,317 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 81 places, 114 transitions, 794 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-04-28 19:29:27,319 INFO L241 Difference]: Finished difference. Result has 84 places, 109 transitions, 797 flow [2021-04-28 19:29:27,319 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=404, PETRI_DIFFERENCE_MINUEND_FLOW=610, PETRI_DIFFERENCE_MINUEND_PLACES=78, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=102, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=17, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=78, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=797, PETRI_PLACES=84, PETRI_TRANSITIONS=109} [2021-04-28 19:29:27,319 INFO L343 CegarLoopForPetriNet]: 154 programPoint places, -70 predicate places. [2021-04-28 19:29:27,319 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 19:29:27,319 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 84 places, 109 transitions, 797 flow [2021-04-28 19:29:27,320 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 84 places, 109 transitions, 797 flow [2021-04-28 19:29:27,321 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 84 places, 109 transitions, 797 flow [2021-04-28 19:29:38,748 INFO L129 PetriNetUnfolder]: 76477/114733 cut-off events. [2021-04-28 19:29:38,749 INFO L130 PetriNetUnfolder]: For 25001/253384 co-relation queries the response was YES. [2021-04-28 19:29:39,246 INFO L84 FinitePrefix]: Finished finitePrefix Result has 329975 conditions, 114733 events. 76477/114733 cut-off events. For 25001/253384 co-relation queries the response was YES. Maximal size of possible extension queue 17866. Compared 1157306 event pairs, 42870 based on Foata normal form. 32/32724 useless extension candidates. Maximal degree in co-relation 329949. Up to 109493 conditions per place. [2021-04-28 19:29:40,333 INFO L146 LiptonReduction]: Number of co-enabled transitions 4348 [2021-04-28 19:29:57,549 INFO L158 LiptonReduction]: Checked pairs total: 2364 [2021-04-28 19:29:57,550 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 19:29:57,550 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 30231 [2021-04-28 19:29:57,551 INFO L480 AbstractCegarLoop]: Abstraction has has 84 places, 109 transitions, 797 flow [2021-04-28 19:29:57,552 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 241.25) internal successors, (965), 4 states have internal predecessors, (965), 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 19:29:57,552 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 19:29:57,552 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 19:29:57,552 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-04-28 19:29:57,552 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 19:29:57,553 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 19:29:57,553 INFO L82 PathProgramCache]: Analyzing trace with hash -930880733, now seen corresponding path program 1 times [2021-04-28 19:29:57,553 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 19:29:57,553 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2030252707] [2021-04-28 19:29:57,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 19:29:57,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 19:29:57,621 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 19:29:57,621 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 19:29:57,624 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 19:29:57,624 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 19:29:57,629 INFO L142 QuantifierPusher]: treesize reduction 11, result has 54.2 percent of original size [2021-04-28 19:29:57,630 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-28 19:29:57,644 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 19:29:57,645 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 19:29:57,645 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 19:29:57,645 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2030252707] [2021-04-28 19:29:57,645 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 19:29:57,645 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-04-28 19:29:57,646 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1257411830] [2021-04-28 19:29:57,646 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-04-28 19:29:57,646 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 19:29:57,646 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-04-28 19:29:57,647 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-04-28 19:29:57,649 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 307 out of 404 [2021-04-28 19:29:57,651 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 84 places, 109 transitions, 797 flow. Second operand has 5 states, 5 states have (on average 307.8) internal successors, (1539), 5 states have internal predecessors, (1539), 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 19:29:57,651 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 19:29:57,651 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 307 of 404 [2021-04-28 19:29:57,651 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 19:30:14,207 INFO L129 PetriNetUnfolder]: 88311/137306 cut-off events. [2021-04-28 19:30:14,207 INFO L130 PetriNetUnfolder]: For 47683/1758976 co-relation queries the response was YES. [2021-04-28 19:30:14,799 INFO L84 FinitePrefix]: Finished finitePrefix Result has 528537 conditions, 137306 events. 88311/137306 cut-off events. For 47683/1758976 co-relation queries the response was YES. Maximal size of possible extension queue 24480. Compared 1444678 event pairs, 17274 based on Foata normal form. 2644/45169 useless extension candidates. Maximal degree in co-relation 528509. Up to 128408 conditions per place. [2021-04-28 19:30:15,113 INFO L132 encePairwiseOnDemand]: 384/404 looper letters, 35 selfloop transitions, 64 changer transitions 0/154 dead transitions. [2021-04-28 19:30:15,113 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 90 places, 154 transitions, 1244 flow [2021-04-28 19:30:15,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-04-28 19:30:15,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-04-28 19:30:15,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 2245 transitions. [2021-04-28 19:30:15,121 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7938472418670438 [2021-04-28 19:30:15,121 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 2245 transitions. [2021-04-28 19:30:15,121 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 2245 transitions. [2021-04-28 19:30:15,123 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 19:30:15,123 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 2245 transitions. [2021-04-28 19:30:15,129 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 320.7142857142857) internal successors, (2245), 7 states have internal predecessors, (2245), 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 19:30:15,135 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 404.0) internal successors, (3232), 8 states have internal predecessors, (3232), 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 19:30:15,137 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 404.0) internal successors, (3232), 8 states have internal predecessors, (3232), 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 19:30:15,137 INFO L185 Difference]: Start difference. First operand has 84 places, 109 transitions, 797 flow. Second operand 7 states and 2245 transitions. [2021-04-28 19:30:15,137 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 90 places, 154 transitions, 1244 flow [2021-04-28 19:30:15,583 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 90 places, 154 transitions, 1242 flow, removed 1 selfloop flow, removed 0 redundant places. [2021-04-28 19:30:15,588 INFO L241 Difference]: Finished difference. Result has 93 places, 140 transitions, 1237 flow [2021-04-28 19:30:15,589 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=404, PETRI_DIFFERENCE_MINUEND_FLOW=795, PETRI_DIFFERENCE_MINUEND_PLACES=84, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=109, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=33, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=58, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=1237, PETRI_PLACES=93, PETRI_TRANSITIONS=140} [2021-04-28 19:30:15,589 INFO L343 CegarLoopForPetriNet]: 154 programPoint places, -61 predicate places. [2021-04-28 19:30:15,589 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 19:30:15,589 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 93 places, 140 transitions, 1237 flow [2021-04-28 19:30:15,590 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 93 places, 140 transitions, 1237 flow [2021-04-28 19:30:15,591 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 93 places, 140 transitions, 1237 flow [2021-04-28 19:30:31,523 INFO L129 PetriNetUnfolder]: 83681/132980 cut-off events. [2021-04-28 19:30:31,524 INFO L130 PetriNetUnfolder]: For 385914/1596348 co-relation queries the response was YES. [2021-04-28 19:30:32,296 INFO L84 FinitePrefix]: Finished finitePrefix Result has 630819 conditions, 132980 events. 83681/132980 cut-off events. For 385914/1596348 co-relation queries the response was YES. Maximal size of possible extension queue 22138. Compared 1475619 event pairs, 17472 based on Foata normal form. 70/39326 useless extension candidates. Maximal degree in co-relation 630788. Up to 127235 conditions per place. [2021-04-28 19:30:33,747 INFO L146 LiptonReduction]: Number of co-enabled transitions 6054 [2021-04-28 19:31:10,850 INFO L158 LiptonReduction]: Checked pairs total: 4345 [2021-04-28 19:31:10,850 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 19:31:10,850 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 55261 [2021-04-28 19:31:10,851 INFO L480 AbstractCegarLoop]: Abstraction has has 93 places, 140 transitions, 1237 flow [2021-04-28 19:31:10,852 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 307.8) internal successors, (1539), 5 states have internal predecessors, (1539), 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 19:31:10,852 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 19:31:10,852 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 19:31:10,852 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-04-28 19:31:10,853 INFO L428 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 19:31:10,853 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 19:31:10,853 INFO L82 PathProgramCache]: Analyzing trace with hash 1084968522, now seen corresponding path program 1 times [2021-04-28 19:31:10,853 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 19:31:10,854 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1030116197] [2021-04-28 19:31:10,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 19:31:10,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 19:31:10,979 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 19:31:10,980 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 19:31:10,986 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 19:31:10,987 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 19:31:10,991 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 19:31:10,992 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 19:31:10,998 INFO L142 QuantifierPusher]: treesize reduction 11, result has 54.2 percent of original size [2021-04-28 19:31:11,000 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-28 19:31:11,008 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 19:31:11,010 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 19:31:11,010 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 19:31:11,011 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1030116197] [2021-04-28 19:31:11,011 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 19:31:11,011 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-04-28 19:31:11,011 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1171989965] [2021-04-28 19:31:11,012 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-04-28 19:31:11,012 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 19:31:11,012 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-04-28 19:31:11,012 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-04-28 19:31:11,015 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 307 out of 404 [2021-04-28 19:31:11,017 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 93 places, 140 transitions, 1237 flow. Second operand has 6 states, 6 states have (on average 307.8333333333333) internal successors, (1847), 6 states have internal predecessors, (1847), 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 19:31:11,017 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 19:31:11,018 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 307 of 404 [2021-04-28 19:31:11,018 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 19:31:30,469 INFO L129 PetriNetUnfolder]: 82659/136496 cut-off events. [2021-04-28 19:31:30,470 INFO L130 PetriNetUnfolder]: For 152557/4330885 co-relation queries the response was YES. [2021-04-28 19:31:31,556 INFO L84 FinitePrefix]: Finished finitePrefix Result has 776598 conditions, 136496 events. 82659/136496 cut-off events. For 152557/4330885 co-relation queries the response was YES. Maximal size of possible extension queue 25740. Compared 1551704 event pairs, 2748 based on Foata normal form. 2808/44747 useless extension candidates. Maximal degree in co-relation 776565. Up to 128831 conditions per place. [2021-04-28 19:31:31,903 INFO L132 encePairwiseOnDemand]: 384/404 looper letters, 24 selfloop transitions, 95 changer transitions 12/186 dead transitions. [2021-04-28 19:31:31,903 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 101 places, 186 transitions, 1909 flow [2021-04-28 19:31:31,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-04-28 19:31:31,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-04-28 19:31:31,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 2889 transitions. [2021-04-28 19:31:31,912 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7945544554455446 [2021-04-28 19:31:31,913 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 2889 transitions. [2021-04-28 19:31:31,913 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 2889 transitions. [2021-04-28 19:31:31,915 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 19:31:31,915 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 2889 transitions. [2021-04-28 19:31:31,923 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 321.0) internal successors, (2889), 9 states have internal predecessors, (2889), 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 19:31:31,930 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 404.0) internal successors, (4040), 10 states have internal predecessors, (4040), 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 19:31:31,932 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 404.0) internal successors, (4040), 10 states have internal predecessors, (4040), 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 19:31:31,932 INFO L185 Difference]: Start difference. First operand has 93 places, 140 transitions, 1237 flow. Second operand 9 states and 2889 transitions. [2021-04-28 19:31:31,932 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 101 places, 186 transitions, 1909 flow [2021-04-28 19:32:07,250 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 98 places, 186 transitions, 1746 flow, removed 54 selfloop flow, removed 3 redundant places. [2021-04-28 19:32:07,255 INFO L241 Difference]: Finished difference. Result has 101 places, 171 transitions, 1665 flow [2021-04-28 19:32:07,255 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=404, PETRI_DIFFERENCE_MINUEND_FLOW=1075, PETRI_DIFFERENCE_MINUEND_PLACES=90, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=140, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=76, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=58, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=1665, PETRI_PLACES=101, PETRI_TRANSITIONS=171} [2021-04-28 19:32:07,255 INFO L343 CegarLoopForPetriNet]: 154 programPoint places, -53 predicate places. [2021-04-28 19:32:07,256 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 19:32:07,256 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 101 places, 171 transitions, 1665 flow [2021-04-28 19:32:07,256 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 101 places, 171 transitions, 1665 flow [2021-04-28 19:32:07,258 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 101 places, 171 transitions, 1665 flow [2021-04-28 19:32:21,368 INFO L129 PetriNetUnfolder]: 61389/110251 cut-off events. [2021-04-28 19:32:21,368 INFO L130 PetriNetUnfolder]: For 764327/1370227 co-relation queries the response was YES. [2021-04-28 19:32:22,486 INFO L84 FinitePrefix]: Finished finitePrefix Result has 641491 conditions, 110251 events. 61389/110251 cut-off events. For 764327/1370227 co-relation queries the response was YES. Maximal size of possible extension queue 21899. Compared 1396951 event pairs, 2643 based on Foata normal form. 4/32189 useless extension candidates. Maximal degree in co-relation 641457. Up to 88975 conditions per place. [2021-04-28 19:32:23,576 INFO L146 LiptonReduction]: Number of co-enabled transitions 6902 [2021-04-28 19:35:08,286 INFO L158 LiptonReduction]: Checked pairs total: 6431 [2021-04-28 19:35:08,287 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 19:35:08,287 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 181031 [2021-04-28 19:35:08,288 INFO L480 AbstractCegarLoop]: Abstraction has has 101 places, 171 transitions, 1665 flow [2021-04-28 19:35:08,289 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 307.8333333333333) internal successors, (1847), 6 states have internal predecessors, (1847), 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 19:35:08,290 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 19:35:08,290 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] [2021-04-28 19:35:08,290 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-04-28 19:35:08,290 INFO L428 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 19:35:08,291 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 19:35:08,291 INFO L82 PathProgramCache]: Analyzing trace with hash -86192570, now seen corresponding path program 1 times [2021-04-28 19:35:08,291 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 19:35:08,291 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1565240529] [2021-04-28 19:35:08,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 19:35:08,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 19:35:08,379 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 19:35:08,379 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 19:35:08,380 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 19:35:08,380 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 19:35:08,383 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 19:35:08,384 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 19:35:08,388 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 19:35:08,388 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1565240529] [2021-04-28 19:35:08,388 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 19:35:08,389 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-28 19:35:08,389 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1937261551] [2021-04-28 19:35:08,389 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-28 19:35:08,389 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 19:35:08,390 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-28 19:35:08,390 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-04-28 19:35:08,392 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 269 out of 404 [2021-04-28 19:35:08,394 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 101 places, 171 transitions, 1665 flow. Second operand has 4 states, 4 states have (on average 270.0) internal successors, (1080), 4 states have internal predecessors, (1080), 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 19:35:08,394 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 19:35:08,394 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 269 of 404 [2021-04-28 19:35:08,394 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 19:35:36,981 INFO L129 PetriNetUnfolder]: 96578/168164 cut-off events. [2021-04-28 19:35:36,982 INFO L130 PetriNetUnfolder]: For 1508262/2855742 co-relation queries the response was YES. [2021-04-28 19:35:38,156 INFO L84 FinitePrefix]: Finished finitePrefix Result has 989115 conditions, 168164 events. 96578/168164 cut-off events. For 1508262/2855742 co-relation queries the response was YES. Maximal size of possible extension queue 34008. Compared 2118445 event pairs, 5234 based on Foata normal form. 274/49999 useless extension candidates. Maximal degree in co-relation 989079. Up to 137323 conditions per place. [2021-04-28 19:35:38,689 INFO L132 encePairwiseOnDemand]: 401/404 looper letters, 6 selfloop transitions, 5 changer transitions 0/175 dead transitions. [2021-04-28 19:35:38,689 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 104 places, 175 transitions, 1731 flow [2021-04-28 19:35:38,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-04-28 19:35:38,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-04-28 19:35:38,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 1083 transitions. [2021-04-28 19:35:38,693 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6701732673267327 [2021-04-28 19:35:38,693 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 1083 transitions. [2021-04-28 19:35:38,694 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 1083 transitions. [2021-04-28 19:35:38,695 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 19:35:38,695 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 1083 transitions. [2021-04-28 19:35:38,698 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 270.75) internal successors, (1083), 4 states have internal predecessors, (1083), 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 19:35:38,702 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 404.0) internal successors, (2020), 5 states have internal predecessors, (2020), 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 19:35:38,703 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 404.0) internal successors, (2020), 5 states have internal predecessors, (2020), 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 19:35:38,703 INFO L185 Difference]: Start difference. First operand has 101 places, 171 transitions, 1665 flow. Second operand 4 states and 1083 transitions. [2021-04-28 19:35:38,703 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 104 places, 175 transitions, 1731 flow Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown