/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-RepeatedSemanticLbeWithDisjunctivePredicates.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/safe027_pso.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-d5b4239aa45c8d22a30959944f2ef622f7386a6d-d5b4239 [2021-03-26 10:39:57,493 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-03-26 10:39:57,496 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-03-26 10:39:57,537 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-03-26 10:39:57,538 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-03-26 10:39:57,541 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-03-26 10:39:57,544 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-03-26 10:39:57,550 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-03-26 10:39:57,552 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-03-26 10:39:57,557 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-03-26 10:39:57,558 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-03-26 10:39:57,559 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-03-26 10:39:57,560 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-03-26 10:39:57,562 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-03-26 10:39:57,563 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-03-26 10:39:57,565 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-03-26 10:39:57,568 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-03-26 10:39:57,569 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-03-26 10:39:57,571 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-03-26 10:39:57,580 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-03-26 10:39:57,581 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-03-26 10:39:57,582 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-03-26 10:39:57,583 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-03-26 10:39:57,585 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-03-26 10:39:57,592 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-03-26 10:39:57,600 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-03-26 10:39:57,601 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-03-26 10:39:57,602 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-03-26 10:39:57,606 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-RepeatedSemanticLbeWithDisjunctivePredicates.epf [2021-03-26 10:39:57,641 INFO L113 SettingsManager]: Loading preferences was successful [2021-03-26 10:39:57,642 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-03-26 10:39:57,646 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-03-26 10:39:57,646 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-03-26 10:39:57,646 INFO L138 SettingsManager]: * Use SBE=true [2021-03-26 10:39:57,646 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-03-26 10:39:57,647 INFO L138 SettingsManager]: * sizeof long=4 [2021-03-26 10:39:57,647 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-03-26 10:39:57,647 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-03-26 10:39:57,647 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-03-26 10:39:57,648 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-03-26 10:39:57,648 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-03-26 10:39:57,649 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-03-26 10:39:57,649 INFO L138 SettingsManager]: * sizeof long double=12 [2021-03-26 10:39:57,649 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-03-26 10:39:57,649 INFO L138 SettingsManager]: * Use constant arrays=true [2021-03-26 10:39:57,649 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-03-26 10:39:57,649 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-03-26 10:39:57,650 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-03-26 10:39:57,650 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-03-26 10:39:57,650 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-03-26 10:39:57,650 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-26 10:39:57,650 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-03-26 10:39:57,651 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-03-26 10:39:57,651 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-03-26 10:39:57,651 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-03-26 10:39:57,651 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-03-26 10:39:57,651 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=SEMANTIC_BASED_MOVER_CHECK_WITH_PREDICATES_DISJUNCTIVE [2021-03-26 10:39:57,651 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-03-26 10:39:57,652 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-03-26 10:39:57,652 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-03-26 10:39:58,035 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-03-26 10:39:58,056 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-03-26 10:39:58,059 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-03-26 10:39:58,060 INFO L271 PluginConnector]: Initializing CDTParser... [2021-03-26 10:39:58,060 INFO L275 PluginConnector]: CDTParser initialized [2021-03-26 10:39:58,061 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe027_pso.opt.i [2021-03-26 10:39:58,124 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/608c4cfd3/a569a17a197b44f78d28e4648bb8419a/FLAGe8df9b666 [2021-03-26 10:39:58,616 INFO L306 CDTParser]: Found 1 translation units. [2021-03-26 10:39:58,616 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe027_pso.opt.i [2021-03-26 10:39:58,634 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/608c4cfd3/a569a17a197b44f78d28e4648bb8419a/FLAGe8df9b666 [2021-03-26 10:39:58,921 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/608c4cfd3/a569a17a197b44f78d28e4648bb8419a [2021-03-26 10:39:58,923 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-03-26 10:39:58,925 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-03-26 10:39:58,929 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-03-26 10:39:58,929 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-03-26 10:39:58,932 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-03-26 10:39:58,932 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.03 10:39:58" (1/1) ... [2021-03-26 10:39:58,934 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a66e01d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 10:39:58, skipping insertion in model container [2021-03-26 10:39:58,934 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.03 10:39:58" (1/1) ... [2021-03-26 10:39:58,940 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-03-26 10:39:58,993 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-03-26 10:39:59,111 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/safe027_pso.opt.i[949,962] [2021-03-26 10:39:59,345 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-26 10:39:59,358 INFO L203 MainTranslator]: Completed pre-run [2021-03-26 10:39:59,369 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/safe027_pso.opt.i[949,962] [2021-03-26 10:39:59,402 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-26 10:39:59,464 INFO L208 MainTranslator]: Completed translation [2021-03-26 10:39:59,466 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 10:39:59 WrapperNode [2021-03-26 10:39:59,467 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-03-26 10:39:59,468 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-03-26 10:39:59,469 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-03-26 10:39:59,469 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-03-26 10:39:59,475 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 10:39:59" (1/1) ... [2021-03-26 10:39:59,506 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 10:39:59" (1/1) ... [2021-03-26 10:39:59,531 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-03-26 10:39:59,532 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-03-26 10:39:59,532 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-03-26 10:39:59,533 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-03-26 10:39:59,540 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 10:39:59" (1/1) ... [2021-03-26 10:39:59,540 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 10:39:59" (1/1) ... [2021-03-26 10:39:59,554 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 10:39:59" (1/1) ... [2021-03-26 10:39:59,554 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 10:39:59" (1/1) ... [2021-03-26 10:39:59,560 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 10:39:59" (1/1) ... [2021-03-26 10:39:59,562 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 10:39:59" (1/1) ... [2021-03-26 10:39:59,564 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 10:39:59" (1/1) ... [2021-03-26 10:39:59,567 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-03-26 10:39:59,581 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-03-26 10:39:59,581 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-03-26 10:39:59,581 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-03-26 10:39:59,582 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 10:39:59" (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 [2021-03-26 10:39:59,661 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-03-26 10:39:59,661 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-03-26 10:39:59,662 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-03-26 10:39:59,662 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-03-26 10:39:59,662 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-03-26 10:39:59,663 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-03-26 10:39:59,663 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-03-26 10:39:59,663 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-03-26 10:39:59,663 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-03-26 10:39:59,664 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-03-26 10:39:59,664 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2021-03-26 10:39:59,664 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2021-03-26 10:39:59,664 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-03-26 10:39:59,664 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-03-26 10:39:59,664 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-03-26 10:39:59,664 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-03-26 10:39:59,666 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-03-26 10:40:00,019 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-03-26 10:40:00,020 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2021-03-26 10:40:00,021 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.03 10:40:00 BoogieIcfgContainer [2021-03-26 10:40:00,022 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-03-26 10:40:00,023 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-03-26 10:40:00,023 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-03-26 10:40:00,026 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-03-26 10:40:00,026 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.03 10:39:58" (1/3) ... [2021-03-26 10:40:00,026 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16b89aea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.03 10:40:00, skipping insertion in model container [2021-03-26 10:40:00,027 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 10:39:59" (2/3) ... [2021-03-26 10:40:00,027 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16b89aea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.03 10:40:00, skipping insertion in model container [2021-03-26 10:40:00,027 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.03 10:40:00" (3/3) ... [2021-03-26 10:40:00,028 INFO L111 eAbstractionObserver]: Analyzing ICFG safe027_pso.opt.i [2021-03-26 10:40:00,034 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-03-26 10:40:00,038 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-03-26 10:40:00,039 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-03-26 10:40:00,068 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:40:00,068 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:40:00,068 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:40:00,069 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:40:00,069 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:40:00,069 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:40:00,069 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:40:00,069 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:40:00,069 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:40:00,070 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:40:00,070 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:40:00,070 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:40:00,070 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:40:00,070 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:40:00,070 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:40:00,071 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:40:00,071 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:40:00,071 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:40:00,071 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:40:00,071 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:40:00,071 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:40:00,071 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:40:00,072 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:40:00,072 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:40:00,072 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:40:00,072 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:40:00,072 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:40:00,072 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:40:00,072 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:40:00,073 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:40:00,073 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:40:00,073 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:40:00,073 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:40:00,073 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:40:00,073 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:40:00,074 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:40:00,074 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:40:00,074 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:40:00,074 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:40:00,074 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:40:00,074 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:40:00,074 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:40:00,075 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:40:00,075 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:40:00,075 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:40:00,075 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:40:00,075 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:40:00,075 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:40:00,077 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:40:00,077 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:40:00,078 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:40:00,078 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:40:00,082 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:40:00,082 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:40:00,082 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:40:00,082 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:40:00,084 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:40:00,084 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:40:00,085 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:40:00,085 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:40:00,087 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:40:00,087 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:40:00,087 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:40:00,087 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:40:00,089 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-03-26 10:40:00,106 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2021-03-26 10:40:00,123 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-03-26 10:40:00,123 INFO L377 AbstractCegarLoop]: Hoare is false [2021-03-26 10:40:00,123 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-03-26 10:40:00,123 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-03-26 10:40:00,123 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-03-26 10:40:00,123 INFO L381 AbstractCegarLoop]: Difference is false [2021-03-26 10:40:00,124 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-03-26 10:40:00,124 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-03-26 10:40:00,134 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 98 places, 87 transitions, 194 flow [2021-03-26 10:40:00,172 INFO L129 PetriNetUnfolder]: 2/83 cut-off events. [2021-03-26 10:40:00,172 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-26 10:40:00,175 INFO L84 FinitePrefix]: Finished finitePrefix Result has 96 conditions, 83 events. 2/83 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 64 event pairs, 0 based on Foata normal form. 0/80 useless extension candidates. Maximal degree in co-relation 68. Up to 2 conditions per place. [2021-03-26 10:40:00,176 INFO L82 GeneralOperation]: Start removeDead. Operand has 98 places, 87 transitions, 194 flow [2021-03-26 10:40:00,180 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 81 places, 69 transitions, 150 flow [2021-03-26 10:40:00,181 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 10:40:00,195 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 81 places, 69 transitions, 150 flow [2021-03-26 10:40:00,197 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 81 places, 69 transitions, 150 flow [2021-03-26 10:40:00,199 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 81 places, 69 transitions, 150 flow [2021-03-26 10:40:00,222 INFO L129 PetriNetUnfolder]: 1/69 cut-off events. [2021-03-26 10:40:00,222 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-26 10:40:00,223 INFO L84 FinitePrefix]: Finished finitePrefix Result has 82 conditions, 69 events. 1/69 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 52 event pairs, 0 based on Foata normal form. 0/68 useless extension candidates. Maximal degree in co-relation 54. Up to 2 conditions per place. [2021-03-26 10:40:00,228 INFO L142 LiptonReduction]: Number of co-enabled transitions 1250 [2021-03-26 10:40:01,852 INFO L154 LiptonReduction]: Checked pairs total: 1387 [2021-03-26 10:40:01,853 INFO L156 LiptonReduction]: Total number of compositions: 44 [2021-03-26 10:40:01,855 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1675 [2021-03-26 10:40:01,866 INFO L129 PetriNetUnfolder]: 0/24 cut-off events. [2021-03-26 10:40:01,866 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-26 10:40:01,866 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 10:40:01,867 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 10:40:01,867 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 10:40:01,871 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 10:40:01,872 INFO L82 PathProgramCache]: Analyzing trace with hash 654156635, now seen corresponding path program 1 times [2021-03-26 10:40:01,879 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 10:40:01,880 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1548282111] [2021-03-26 10:40:01,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 10:40:01,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 10:40:02,080 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:40:02,082 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 10:40:02,083 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:40:02,083 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:40:02,093 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 10:40:02,094 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1548282111] [2021-03-26 10:40:02,095 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 10:40:02,095 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-03-26 10:40:02,095 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1885534079] [2021-03-26 10:40:02,103 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-26 10:40:02,103 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 10:40:02,115 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-26 10:40:02,117 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-26 10:40:02,120 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 119 out of 131 [2021-03-26 10:40:02,125 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 38 places, 25 transitions, 62 flow. Second operand has 3 states, 3 states have (on average 119.66666666666667) internal successors, (359), 3 states have internal predecessors, (359), 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) [2021-03-26 10:40:02,125 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 10:40:02,125 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 119 of 131 [2021-03-26 10:40:02,126 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 10:40:02,148 INFO L129 PetriNetUnfolder]: 0/25 cut-off events. [2021-03-26 10:40:02,148 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-26 10:40:02,148 INFO L84 FinitePrefix]: Finished finitePrefix Result has 42 conditions, 25 events. 0/25 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 18 event pairs, 0 based on Foata normal form. 1/26 useless extension candidates. Maximal degree in co-relation 0. Up to 3 conditions per place. [2021-03-26 10:40:02,149 INFO L132 encePairwiseOnDemand]: 128/131 looper letters, 1 selfloop transitions, 2 changer transitions 0/25 dead transitions. [2021-03-26 10:40:02,150 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 40 places, 25 transitions, 68 flow [2021-03-26 10:40:02,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-26 10:40:02,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-26 10:40:02,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 361 transitions. [2021-03-26 10:40:02,167 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.9185750636132316 [2021-03-26 10:40:02,168 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 361 transitions. [2021-03-26 10:40:02,168 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 361 transitions. [2021-03-26 10:40:02,172 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 10:40:02,174 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 361 transitions. [2021-03-26 10:40:02,180 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 120.33333333333333) internal successors, (361), 3 states have internal predecessors, (361), 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) [2021-03-26 10:40:02,198 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 131.0) internal successors, (524), 4 states have internal predecessors, (524), 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) [2021-03-26 10:40:02,199 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 131.0) internal successors, (524), 4 states have internal predecessors, (524), 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) [2021-03-26 10:40:02,201 INFO L185 Difference]: Start difference. First operand has 38 places, 25 transitions, 62 flow. Second operand 3 states and 361 transitions. [2021-03-26 10:40:02,202 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 40 places, 25 transitions, 68 flow [2021-03-26 10:40:02,204 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 36 places, 25 transitions, 64 flow, removed 0 selfloop flow, removed 4 redundant places. [2021-03-26 10:40:02,206 INFO L241 Difference]: Finished difference. Result has 37 places, 25 transitions, 66 flow [2021-03-26 10:40:02,215 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=131, PETRI_DIFFERENCE_MINUEND_FLOW=58, PETRI_DIFFERENCE_MINUEND_PLACES=34, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=25, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=23, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=66, PETRI_PLACES=37, PETRI_TRANSITIONS=25} [2021-03-26 10:40:02,216 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, -1 predicate places. [2021-03-26 10:40:02,216 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 10:40:02,216 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 37 places, 25 transitions, 66 flow [2021-03-26 10:40:02,217 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 37 places, 25 transitions, 66 flow [2021-03-26 10:40:02,218 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 37 places, 25 transitions, 66 flow [2021-03-26 10:40:02,228 INFO L129 PetriNetUnfolder]: 0/25 cut-off events. [2021-03-26 10:40:02,228 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2021-03-26 10:40:02,229 INFO L84 FinitePrefix]: Finished finitePrefix Result has 40 conditions, 25 events. 0/25 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 22 event pairs, 0 based on Foata normal form. 0/25 useless extension candidates. Maximal degree in co-relation 0. Up to 3 conditions per place. [2021-03-26 10:40:02,230 INFO L142 LiptonReduction]: Number of co-enabled transitions 196 [2021-03-26 10:40:02,914 INFO L154 LiptonReduction]: Checked pairs total: 502 [2021-03-26 10:40:02,914 INFO L156 LiptonReduction]: Total number of compositions: 4 [2021-03-26 10:40:02,914 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 698 [2021-03-26 10:40:02,915 INFO L480 AbstractCegarLoop]: Abstraction has has 33 places, 21 transitions, 58 flow [2021-03-26 10:40:02,916 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 119.66666666666667) internal successors, (359), 3 states have internal predecessors, (359), 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) [2021-03-26 10:40:02,916 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 10:40:02,916 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 10:40:02,916 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-03-26 10:40:02,916 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 10:40:02,918 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 10:40:02,918 INFO L82 PathProgramCache]: Analyzing trace with hash -1195981847, now seen corresponding path program 1 times [2021-03-26 10:40:02,919 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 10:40:02,919 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [193397239] [2021-03-26 10:40:02,919 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 10:40:02,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 10:40:03,018 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:40:03,019 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 10:40:03,019 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:40:03,019 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:40:03,026 INFO L142 QuantifierPusher]: treesize reduction 3, result has 85.0 percent of original size [2021-03-26 10:40:03,027 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 10:40:03,033 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 10:40:03,033 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [193397239] [2021-03-26 10:40:03,034 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 10:40:03,034 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-26 10:40:03,034 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1539274740] [2021-03-26 10:40:03,035 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-26 10:40:03,035 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 10:40:03,035 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-26 10:40:03,035 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-26 10:40:03,036 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 104 out of 135 [2021-03-26 10:40:03,037 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 33 places, 21 transitions, 58 flow. Second operand has 4 states, 4 states have (on average 105.25) internal successors, (421), 4 states have internal predecessors, (421), 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) [2021-03-26 10:40:03,037 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 10:40:03,037 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 104 of 135 [2021-03-26 10:40:03,038 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 10:40:03,092 INFO L129 PetriNetUnfolder]: 38/105 cut-off events. [2021-03-26 10:40:03,092 INFO L130 PetriNetUnfolder]: For 22/48 co-relation queries the response was YES. [2021-03-26 10:40:03,093 INFO L84 FinitePrefix]: Finished finitePrefix Result has 214 conditions, 105 events. 38/105 cut-off events. For 22/48 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 386 event pairs, 3 based on Foata normal form. 5/101 useless extension candidates. Maximal degree in co-relation 202. Up to 43 conditions per place. [2021-03-26 10:40:03,094 INFO L132 encePairwiseOnDemand]: 127/135 looper letters, 10 selfloop transitions, 12 changer transitions 0/35 dead transitions. [2021-03-26 10:40:03,094 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 37 places, 35 transitions, 141 flow [2021-03-26 10:40:03,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-26 10:40:03,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-26 10:40:03,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 544 transitions. [2021-03-26 10:40:03,101 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8059259259259259 [2021-03-26 10:40:03,101 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 544 transitions. [2021-03-26 10:40:03,101 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 544 transitions. [2021-03-26 10:40:03,101 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 10:40:03,101 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 544 transitions. [2021-03-26 10:40:03,103 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 108.8) internal successors, (544), 5 states have internal predecessors, (544), 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) [2021-03-26 10:40:03,107 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 135.0) internal successors, (810), 6 states have internal predecessors, (810), 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) [2021-03-26 10:40:03,108 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 135.0) internal successors, (810), 6 states have internal predecessors, (810), 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) [2021-03-26 10:40:03,108 INFO L185 Difference]: Start difference. First operand has 33 places, 21 transitions, 58 flow. Second operand 5 states and 544 transitions. [2021-03-26 10:40:03,108 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 37 places, 35 transitions, 141 flow [2021-03-26 10:40:03,109 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 35 places, 35 transitions, 131 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-03-26 10:40:03,110 INFO L241 Difference]: Finished difference. Result has 38 places, 30 transitions, 136 flow [2021-03-26 10:40:03,110 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=135, PETRI_DIFFERENCE_MINUEND_FLOW=54, PETRI_DIFFERENCE_MINUEND_PLACES=31, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=21, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=14, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=136, PETRI_PLACES=38, PETRI_TRANSITIONS=30} [2021-03-26 10:40:03,111 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 0 predicate places. [2021-03-26 10:40:03,112 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 10:40:03,112 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 38 places, 30 transitions, 136 flow [2021-03-26 10:40:03,112 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 38 places, 30 transitions, 136 flow [2021-03-26 10:40:03,113 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 38 places, 30 transitions, 136 flow [2021-03-26 10:40:03,131 INFO L129 PetriNetUnfolder]: 27/92 cut-off events. [2021-03-26 10:40:03,131 INFO L130 PetriNetUnfolder]: For 41/86 co-relation queries the response was YES. [2021-03-26 10:40:03,134 INFO L84 FinitePrefix]: Finished finitePrefix Result has 243 conditions, 92 events. 27/92 cut-off events. For 41/86 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 340 event pairs, 12 based on Foata normal form. 0/83 useless extension candidates. Maximal degree in co-relation 229. Up to 46 conditions per place. [2021-03-26 10:40:03,135 INFO L142 LiptonReduction]: Number of co-enabled transitions 246 [2021-03-26 10:40:03,299 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 78 [2021-03-26 10:40:03,518 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 78 [2021-03-26 10:40:03,605 INFO L154 LiptonReduction]: Checked pairs total: 210 [2021-03-26 10:40:03,605 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 10:40:03,605 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 494 [2021-03-26 10:40:03,607 INFO L480 AbstractCegarLoop]: Abstraction has has 37 places, 29 transitions, 132 flow [2021-03-26 10:40:03,607 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 105.25) internal successors, (421), 4 states have internal predecessors, (421), 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) [2021-03-26 10:40:03,607 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 10:40:03,607 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 10:40:03,608 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-03-26 10:40:03,611 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 10:40:03,612 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 10:40:03,612 INFO L82 PathProgramCache]: Analyzing trace with hash -1825769221, now seen corresponding path program 1 times [2021-03-26 10:40:03,612 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 10:40:03,612 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [30394185] [2021-03-26 10:40:03,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 10:40:03,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 10:40:03,698 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:40:03,704 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 10:40:03,704 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:40:03,705 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:40:03,707 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:40:03,708 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:40:03,712 INFO L142 QuantifierPusher]: treesize reduction 3, result has 85.0 percent of original size [2021-03-26 10:40:03,713 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 10:40:03,729 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 10:40:03,729 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [30394185] [2021-03-26 10:40:03,730 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 10:40:03,730 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-26 10:40:03,730 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [482275135] [2021-03-26 10:40:03,730 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-26 10:40:03,730 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 10:40:03,731 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-26 10:40:03,731 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-03-26 10:40:03,732 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 104 out of 136 [2021-03-26 10:40:03,733 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 37 places, 29 transitions, 132 flow. Second operand has 5 states, 5 states have (on average 105.0) internal successors, (525), 5 states have internal predecessors, (525), 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) [2021-03-26 10:40:03,733 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 10:40:03,733 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 104 of 136 [2021-03-26 10:40:03,733 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 10:40:03,764 INFO L129 PetriNetUnfolder]: 28/93 cut-off events. [2021-03-26 10:40:03,764 INFO L130 PetriNetUnfolder]: For 129/269 co-relation queries the response was YES. [2021-03-26 10:40:03,765 INFO L84 FinitePrefix]: Finished finitePrefix Result has 306 conditions, 93 events. 28/93 cut-off events. For 129/269 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 331 event pairs, 3 based on Foata normal form. 7/94 useless extension candidates. Maximal degree in co-relation 292. Up to 44 conditions per place. [2021-03-26 10:40:03,765 INFO L132 encePairwiseOnDemand]: 132/136 looper letters, 8 selfloop transitions, 5 changer transitions 10/36 dead transitions. [2021-03-26 10:40:03,765 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 40 places, 36 transitions, 221 flow [2021-03-26 10:40:03,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-26 10:40:03,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-03-26 10:40:03,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 432 transitions. [2021-03-26 10:40:03,767 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7941176470588235 [2021-03-26 10:40:03,767 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 432 transitions. [2021-03-26 10:40:03,767 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 432 transitions. [2021-03-26 10:40:03,768 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 10:40:03,768 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 432 transitions. [2021-03-26 10:40:03,769 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 108.0) internal successors, (432), 4 states have internal predecessors, (432), 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) [2021-03-26 10:40:03,770 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 136.0) internal successors, (680), 5 states have internal predecessors, (680), 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) [2021-03-26 10:40:03,770 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 136.0) internal successors, (680), 5 states have internal predecessors, (680), 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) [2021-03-26 10:40:03,770 INFO L185 Difference]: Start difference. First operand has 37 places, 29 transitions, 132 flow. Second operand 4 states and 432 transitions. [2021-03-26 10:40:03,770 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 40 places, 36 transitions, 221 flow [2021-03-26 10:40:03,772 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 39 places, 36 transitions, 213 flow, removed 1 selfloop flow, removed 1 redundant places. [2021-03-26 10:40:03,773 INFO L241 Difference]: Finished difference. Result has 41 places, 24 transitions, 118 flow [2021-03-26 10:40:03,773 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=136, PETRI_DIFFERENCE_MINUEND_FLOW=124, PETRI_DIFFERENCE_MINUEND_PLACES=36, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=29, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=24, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=118, PETRI_PLACES=41, PETRI_TRANSITIONS=24} [2021-03-26 10:40:03,773 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 3 predicate places. [2021-03-26 10:40:03,773 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 10:40:03,773 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 41 places, 24 transitions, 118 flow [2021-03-26 10:40:03,773 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 41 places, 24 transitions, 118 flow [2021-03-26 10:40:03,774 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 41 places, 24 transitions, 118 flow [2021-03-26 10:40:03,778 INFO L129 PetriNetUnfolder]: 12/46 cut-off events. [2021-03-26 10:40:03,779 INFO L130 PetriNetUnfolder]: For 48/49 co-relation queries the response was YES. [2021-03-26 10:40:03,779 INFO L84 FinitePrefix]: Finished finitePrefix Result has 148 conditions, 46 events. 12/46 cut-off events. For 48/49 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 103 event pairs, 7 based on Foata normal form. 0/45 useless extension candidates. Maximal degree in co-relation 134. Up to 26 conditions per place. [2021-03-26 10:40:03,780 INFO L142 LiptonReduction]: Number of co-enabled transitions 144 [2021-03-26 10:40:03,788 INFO L154 LiptonReduction]: Checked pairs total: 64 [2021-03-26 10:40:03,788 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 10:40:03,788 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 15 [2021-03-26 10:40:03,789 INFO L480 AbstractCegarLoop]: Abstraction has has 41 places, 24 transitions, 118 flow [2021-03-26 10:40:03,790 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 105.0) internal successors, (525), 5 states have internal predecessors, (525), 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) [2021-03-26 10:40:03,790 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 10:40:03,790 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 10:40:03,790 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-03-26 10:40:03,790 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 10:40:03,790 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 10:40:03,791 INFO L82 PathProgramCache]: Analyzing trace with hash 1641844335, now seen corresponding path program 1 times [2021-03-26 10:40:03,791 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 10:40:03,791 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [481125798] [2021-03-26 10:40:03,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 10:40:03,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 10:40:03,843 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:40:03,843 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:40:03,845 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 10:40:03,846 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [481125798] [2021-03-26 10:40:03,847 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 10:40:03,847 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-03-26 10:40:03,847 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2012038750] [2021-03-26 10:40:03,848 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-26 10:40:03,848 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 10:40:03,849 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-26 10:40:03,849 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-26 10:40:03,851 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 121 out of 136 [2021-03-26 10:40:03,852 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 41 places, 24 transitions, 118 flow. Second operand has 3 states, 3 states have (on average 121.66666666666667) internal successors, (365), 3 states have internal predecessors, (365), 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) [2021-03-26 10:40:03,852 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 10:40:03,852 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 121 of 136 [2021-03-26 10:40:03,852 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 10:40:03,863 INFO L129 PetriNetUnfolder]: 9/41 cut-off events. [2021-03-26 10:40:03,864 INFO L130 PetriNetUnfolder]: For 76/77 co-relation queries the response was YES. [2021-03-26 10:40:03,864 INFO L84 FinitePrefix]: Finished finitePrefix Result has 137 conditions, 41 events. 9/41 cut-off events. For 76/77 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 79 event pairs, 6 based on Foata normal form. 2/42 useless extension candidates. Maximal degree in co-relation 121. Up to 21 conditions per place. [2021-03-26 10:40:03,865 INFO L132 encePairwiseOnDemand]: 133/136 looper letters, 1 selfloop transitions, 4 changer transitions 0/24 dead transitions. [2021-03-26 10:40:03,865 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 43 places, 24 transitions, 128 flow [2021-03-26 10:40:03,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-26 10:40:03,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-26 10:40:03,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 367 transitions. [2021-03-26 10:40:03,868 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8995098039215687 [2021-03-26 10:40:03,869 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 367 transitions. [2021-03-26 10:40:03,869 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 367 transitions. [2021-03-26 10:40:03,869 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 10:40:03,869 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 367 transitions. [2021-03-26 10:40:03,871 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 122.33333333333333) internal successors, (367), 3 states have internal predecessors, (367), 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) [2021-03-26 10:40:03,871 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 136.0) internal successors, (544), 4 states have internal predecessors, (544), 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) [2021-03-26 10:40:03,872 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 136.0) internal successors, (544), 4 states have internal predecessors, (544), 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) [2021-03-26 10:40:03,872 INFO L185 Difference]: Start difference. First operand has 41 places, 24 transitions, 118 flow. Second operand 3 states and 367 transitions. [2021-03-26 10:40:03,872 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 43 places, 24 transitions, 128 flow [2021-03-26 10:40:03,873 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 37 places, 24 transitions, 104 flow, removed 3 selfloop flow, removed 6 redundant places. [2021-03-26 10:40:03,874 INFO L241 Difference]: Finished difference. Result has 38 places, 24 transitions, 108 flow [2021-03-26 10:40:03,874 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=136, PETRI_DIFFERENCE_MINUEND_FLOW=94, PETRI_DIFFERENCE_MINUEND_PLACES=35, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=24, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=20, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=108, PETRI_PLACES=38, PETRI_TRANSITIONS=24} [2021-03-26 10:40:03,874 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 0 predicate places. [2021-03-26 10:40:03,874 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 10:40:03,874 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 38 places, 24 transitions, 108 flow [2021-03-26 10:40:03,875 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 38 places, 24 transitions, 108 flow [2021-03-26 10:40:03,875 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 38 places, 24 transitions, 108 flow [2021-03-26 10:40:03,879 INFO L129 PetriNetUnfolder]: 9/45 cut-off events. [2021-03-26 10:40:03,879 INFO L130 PetriNetUnfolder]: For 20/21 co-relation queries the response was YES. [2021-03-26 10:40:03,880 INFO L84 FinitePrefix]: Finished finitePrefix Result has 123 conditions, 45 events. 9/45 cut-off events. For 20/21 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 90 event pairs, 6 based on Foata normal form. 0/45 useless extension candidates. Maximal degree in co-relation 112. Up to 22 conditions per place. [2021-03-26 10:40:03,880 INFO L142 LiptonReduction]: Number of co-enabled transitions 144 [2021-03-26 10:40:03,882 INFO L154 LiptonReduction]: Checked pairs total: 82 [2021-03-26 10:40:03,882 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 10:40:03,882 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 8 [2021-03-26 10:40:03,883 INFO L480 AbstractCegarLoop]: Abstraction has has 38 places, 24 transitions, 108 flow [2021-03-26 10:40:03,884 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 121.66666666666667) internal successors, (365), 3 states have internal predecessors, (365), 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) [2021-03-26 10:40:03,884 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 10:40:03,884 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 10:40:03,884 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-03-26 10:40:03,884 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 10:40:03,885 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 10:40:03,885 INFO L82 PathProgramCache]: Analyzing trace with hash -642503501, now seen corresponding path program 1 times [2021-03-26 10:40:03,885 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 10:40:03,885 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [379258090] [2021-03-26 10:40:03,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 10:40:03,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 10:40:03,915 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:40:03,916 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:40:03,918 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:40:03,918 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:40:03,921 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 10:40:03,921 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [379258090] [2021-03-26 10:40:03,922 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 10:40:03,922 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-03-26 10:40:03,922 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1941368066] [2021-03-26 10:40:03,922 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-26 10:40:03,922 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 10:40:03,923 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-26 10:40:03,923 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-26 10:40:03,924 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 113 out of 136 [2021-03-26 10:40:03,924 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 38 places, 24 transitions, 108 flow. Second operand has 4 states, 4 states have (on average 113.75) internal successors, (455), 4 states have internal predecessors, (455), 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) [2021-03-26 10:40:03,924 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 10:40:03,924 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 113 of 136 [2021-03-26 10:40:03,924 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 10:40:03,944 INFO L129 PetriNetUnfolder]: 18/72 cut-off events. [2021-03-26 10:40:03,945 INFO L130 PetriNetUnfolder]: For 91/92 co-relation queries the response was YES. [2021-03-26 10:40:03,945 INFO L84 FinitePrefix]: Finished finitePrefix Result has 215 conditions, 72 events. 18/72 cut-off events. For 91/92 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 229 event pairs, 9 based on Foata normal form. 8/77 useless extension candidates. Maximal degree in co-relation 202. Up to 35 conditions per place. [2021-03-26 10:40:03,945 INFO L132 encePairwiseOnDemand]: 132/136 looper letters, 4 selfloop transitions, 5 changer transitions 3/29 dead transitions. [2021-03-26 10:40:03,945 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 41 places, 29 transitions, 168 flow [2021-03-26 10:40:03,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-26 10:40:03,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-03-26 10:40:03,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 462 transitions. [2021-03-26 10:40:03,947 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8492647058823529 [2021-03-26 10:40:03,947 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 462 transitions. [2021-03-26 10:40:03,947 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 462 transitions. [2021-03-26 10:40:03,948 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 10:40:03,948 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 462 transitions. [2021-03-26 10:40:03,949 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 115.5) internal successors, (462), 4 states have internal predecessors, (462), 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) [2021-03-26 10:40:03,950 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 136.0) internal successors, (680), 5 states have internal predecessors, (680), 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) [2021-03-26 10:40:03,951 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 136.0) internal successors, (680), 5 states have internal predecessors, (680), 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) [2021-03-26 10:40:03,951 INFO L185 Difference]: Start difference. First operand has 38 places, 24 transitions, 108 flow. Second operand 4 states and 462 transitions. [2021-03-26 10:40:03,951 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 41 places, 29 transitions, 168 flow [2021-03-26 10:40:03,952 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 39 places, 29 transitions, 154 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-03-26 10:40:03,952 INFO L241 Difference]: Finished difference. Result has 41 places, 24 transitions, 120 flow [2021-03-26 10:40:03,953 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=136, PETRI_DIFFERENCE_MINUEND_FLOW=100, PETRI_DIFFERENCE_MINUEND_PLACES=36, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=24, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=19, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=120, PETRI_PLACES=41, PETRI_TRANSITIONS=24} [2021-03-26 10:40:03,953 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 3 predicate places. [2021-03-26 10:40:03,953 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 10:40:03,953 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 41 places, 24 transitions, 120 flow [2021-03-26 10:40:03,953 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 41 places, 24 transitions, 120 flow [2021-03-26 10:40:03,954 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 41 places, 24 transitions, 120 flow [2021-03-26 10:40:03,958 INFO L129 PetriNetUnfolder]: 9/44 cut-off events. [2021-03-26 10:40:03,958 INFO L130 PetriNetUnfolder]: For 49/49 co-relation queries the response was YES. [2021-03-26 10:40:03,958 INFO L84 FinitePrefix]: Finished finitePrefix Result has 136 conditions, 44 events. 9/44 cut-off events. For 49/49 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 92 event pairs, 6 based on Foata normal form. 0/43 useless extension candidates. Maximal degree in co-relation 123. Up to 21 conditions per place. [2021-03-26 10:40:03,959 INFO L142 LiptonReduction]: Number of co-enabled transitions 128 [2021-03-26 10:40:03,961 INFO L154 LiptonReduction]: Checked pairs total: 58 [2021-03-26 10:40:03,961 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 10:40:03,961 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 8 [2021-03-26 10:40:03,964 INFO L480 AbstractCegarLoop]: Abstraction has has 41 places, 24 transitions, 120 flow [2021-03-26 10:40:03,965 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 113.75) internal successors, (455), 4 states have internal predecessors, (455), 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) [2021-03-26 10:40:03,965 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 10:40:03,965 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 10:40:03,965 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-03-26 10:40:03,965 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 10:40:03,965 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 10:40:03,965 INFO L82 PathProgramCache]: Analyzing trace with hash 1559004657, now seen corresponding path program 1 times [2021-03-26 10:40:03,966 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 10:40:03,966 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [894723961] [2021-03-26 10:40:03,967 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 10:40:04,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 10:40:04,046 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:40:04,046 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:40:04,050 INFO L142 QuantifierPusher]: treesize reduction 11, result has 45.0 percent of original size [2021-03-26 10:40:04,052 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 10:40:04,057 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 10:40:04,057 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [894723961] [2021-03-26 10:40:04,058 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 10:40:04,058 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-03-26 10:40:04,058 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [579975569] [2021-03-26 10:40:04,058 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-26 10:40:04,058 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 10:40:04,058 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-26 10:40:04,059 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-26 10:40:04,059 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 106 out of 136 [2021-03-26 10:40:04,060 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 41 places, 24 transitions, 120 flow. Second operand has 4 states, 4 states have (on average 106.75) internal successors, (427), 4 states have internal predecessors, (427), 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) [2021-03-26 10:40:04,060 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 10:40:04,060 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 106 of 136 [2021-03-26 10:40:04,060 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 10:40:04,137 INFO L129 PetriNetUnfolder]: 175/314 cut-off events. [2021-03-26 10:40:04,137 INFO L130 PetriNetUnfolder]: For 1413/1552 co-relation queries the response was YES. [2021-03-26 10:40:04,139 INFO L84 FinitePrefix]: Finished finitePrefix Result has 878 conditions, 314 events. 175/314 cut-off events. For 1413/1552 co-relation queries the response was YES. Maximal size of possible extension queue 58. Compared 1439 event pairs, 95 based on Foata normal form. 32/307 useless extension candidates. Maximal degree in co-relation 863. Up to 211 conditions per place. [2021-03-26 10:40:04,141 INFO L132 encePairwiseOnDemand]: 129/136 looper letters, 10 selfloop transitions, 10 changer transitions 0/37 dead transitions. [2021-03-26 10:40:04,141 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 45 places, 37 transitions, 186 flow [2021-03-26 10:40:04,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-26 10:40:04,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-26 10:40:04,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 552 transitions. [2021-03-26 10:40:04,144 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8117647058823529 [2021-03-26 10:40:04,144 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 552 transitions. [2021-03-26 10:40:04,144 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 552 transitions. [2021-03-26 10:40:04,144 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 10:40:04,144 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 552 transitions. [2021-03-26 10:40:04,146 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 110.4) internal successors, (552), 5 states have internal predecessors, (552), 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) [2021-03-26 10:40:04,148 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 136.0) internal successors, (816), 6 states have internal predecessors, (816), 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) [2021-03-26 10:40:04,148 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 136.0) internal successors, (816), 6 states have internal predecessors, (816), 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) [2021-03-26 10:40:04,148 INFO L185 Difference]: Start difference. First operand has 41 places, 24 transitions, 120 flow. Second operand 5 states and 552 transitions. [2021-03-26 10:40:04,148 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 45 places, 37 transitions, 186 flow [2021-03-26 10:40:04,153 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 41 places, 37 transitions, 170 flow, removed 2 selfloop flow, removed 4 redundant places. [2021-03-26 10:40:04,154 INFO L241 Difference]: Finished difference. Result has 44 places, 33 transitions, 179 flow [2021-03-26 10:40:04,154 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=136, PETRI_DIFFERENCE_MINUEND_FLOW=104, PETRI_DIFFERENCE_MINUEND_PLACES=37, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=24, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=18, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=179, PETRI_PLACES=44, PETRI_TRANSITIONS=33} [2021-03-26 10:40:04,155 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 6 predicate places. [2021-03-26 10:40:04,155 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 10:40:04,155 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 44 places, 33 transitions, 179 flow [2021-03-26 10:40:04,156 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 44 places, 33 transitions, 179 flow [2021-03-26 10:40:04,156 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 44 places, 33 transitions, 179 flow [2021-03-26 10:40:04,187 INFO L129 PetriNetUnfolder]: 171/311 cut-off events. [2021-03-26 10:40:04,188 INFO L130 PetriNetUnfolder]: For 657/862 co-relation queries the response was YES. [2021-03-26 10:40:04,189 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1036 conditions, 311 events. 171/311 cut-off events. For 657/862 co-relation queries the response was YES. Maximal size of possible extension queue 61. Compared 1523 event pairs, 91 based on Foata normal form. 1/267 useless extension candidates. Maximal degree in co-relation 1022. Up to 229 conditions per place. [2021-03-26 10:40:04,191 INFO L142 LiptonReduction]: Number of co-enabled transitions 212 [2021-03-26 10:40:04,207 INFO L154 LiptonReduction]: Checked pairs total: 33 [2021-03-26 10:40:04,207 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 10:40:04,208 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 53 [2021-03-26 10:40:04,213 INFO L480 AbstractCegarLoop]: Abstraction has has 44 places, 32 transitions, 173 flow [2021-03-26 10:40:04,214 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 106.75) internal successors, (427), 4 states have internal predecessors, (427), 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) [2021-03-26 10:40:04,214 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 10:40:04,215 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 10:40:04,215 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-03-26 10:40:04,215 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 10:40:04,215 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 10:40:04,215 INFO L82 PathProgramCache]: Analyzing trace with hash 498320838, now seen corresponding path program 1 times [2021-03-26 10:40:04,218 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 10:40:04,218 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1761428068] [2021-03-26 10:40:04,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 10:40:04,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 10:40:04,268 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:40:04,269 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:40:04,271 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:40:04,272 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:40:04,276 INFO L142 QuantifierPusher]: treesize reduction 11, result has 45.0 percent of original size [2021-03-26 10:40:04,276 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 10:40:04,281 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 10:40:04,282 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1761428068] [2021-03-26 10:40:04,282 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 10:40:04,282 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-26 10:40:04,282 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [932862667] [2021-03-26 10:40:04,282 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-26 10:40:04,282 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 10:40:04,282 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-26 10:40:04,283 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-03-26 10:40:04,283 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 106 out of 136 [2021-03-26 10:40:04,284 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 44 places, 32 transitions, 173 flow. Second operand has 5 states, 5 states have (on average 106.8) internal successors, (534), 5 states have internal predecessors, (534), 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) [2021-03-26 10:40:04,284 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 10:40:04,284 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 106 of 136 [2021-03-26 10:40:04,284 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 10:40:04,348 INFO L129 PetriNetUnfolder]: 119/237 cut-off events. [2021-03-26 10:40:04,349 INFO L130 PetriNetUnfolder]: For 1018/1310 co-relation queries the response was YES. [2021-03-26 10:40:04,350 INFO L84 FinitePrefix]: Finished finitePrefix Result has 971 conditions, 237 events. 119/237 cut-off events. For 1018/1310 co-relation queries the response was YES. Maximal size of possible extension queue 41. Compared 1023 event pairs, 30 based on Foata normal form. 59/277 useless extension candidates. Maximal degree in co-relation 955. Up to 184 conditions per place. [2021-03-26 10:40:04,351 INFO L132 encePairwiseOnDemand]: 129/136 looper letters, 10 selfloop transitions, 14 changer transitions 0/41 dead transitions. [2021-03-26 10:40:04,352 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 47 places, 41 transitions, 273 flow [2021-03-26 10:40:04,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-26 10:40:04,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-03-26 10:40:04,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 662 transitions. [2021-03-26 10:40:04,354 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8112745098039216 [2021-03-26 10:40:04,354 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 662 transitions. [2021-03-26 10:40:04,354 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 662 transitions. [2021-03-26 10:40:04,354 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 10:40:04,354 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 662 transitions. [2021-03-26 10:40:04,356 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 110.33333333333333) internal successors, (662), 6 states have internal predecessors, (662), 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) [2021-03-26 10:40:04,357 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 136.0) internal successors, (952), 7 states have internal predecessors, (952), 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) [2021-03-26 10:40:04,358 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 136.0) internal successors, (952), 7 states have internal predecessors, (952), 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) [2021-03-26 10:40:04,358 INFO L185 Difference]: Start difference. First operand has 44 places, 32 transitions, 173 flow. Second operand 6 states and 662 transitions. [2021-03-26 10:40:04,358 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 47 places, 41 transitions, 273 flow [2021-03-26 10:40:04,359 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 45 places, 41 transitions, 266 flow, removed 1 selfloop flow, removed 2 redundant places. [2021-03-26 10:40:04,360 INFO L241 Difference]: Finished difference. Result has 48 places, 37 transitions, 262 flow [2021-03-26 10:40:04,361 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=136, PETRI_DIFFERENCE_MINUEND_FLOW=142, PETRI_DIFFERENCE_MINUEND_PLACES=40, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=28, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=18, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=262, PETRI_PLACES=48, PETRI_TRANSITIONS=37} [2021-03-26 10:40:04,361 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 10 predicate places. [2021-03-26 10:40:04,361 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 10:40:04,361 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 48 places, 37 transitions, 262 flow [2021-03-26 10:40:04,361 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 48 places, 37 transitions, 262 flow [2021-03-26 10:40:04,362 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 48 places, 37 transitions, 262 flow [2021-03-26 10:40:04,380 INFO L129 PetriNetUnfolder]: 118/237 cut-off events. [2021-03-26 10:40:04,380 INFO L130 PetriNetUnfolder]: For 885/1167 co-relation queries the response was YES. [2021-03-26 10:40:04,382 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1120 conditions, 237 events. 118/237 cut-off events. For 885/1167 co-relation queries the response was YES. Maximal size of possible extension queue 44. Compared 1136 event pairs, 29 based on Foata normal form. 8/223 useless extension candidates. Maximal degree in co-relation 1103. Up to 185 conditions per place. [2021-03-26 10:40:04,384 INFO L142 LiptonReduction]: Number of co-enabled transitions 228 [2021-03-26 10:40:04,399 INFO L154 LiptonReduction]: Checked pairs total: 39 [2021-03-26 10:40:04,400 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 10:40:04,400 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 39 [2021-03-26 10:40:04,400 INFO L480 AbstractCegarLoop]: Abstraction has has 48 places, 36 transitions, 254 flow [2021-03-26 10:40:04,401 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 106.8) internal successors, (534), 5 states have internal predecessors, (534), 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) [2021-03-26 10:40:04,401 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 10:40:04,401 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 10:40:04,401 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-03-26 10:40:04,401 INFO L428 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 10:40:04,401 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 10:40:04,402 INFO L82 PathProgramCache]: Analyzing trace with hash -1263554595, now seen corresponding path program 1 times [2021-03-26 10:40:04,402 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 10:40:04,402 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [179515575] [2021-03-26 10:40:04,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 10:40:04,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 10:40:04,453 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:40:04,454 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:40:04,457 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:40:04,457 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:40:04,462 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:40:04,462 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:40:04,467 INFO L142 QuantifierPusher]: treesize reduction 11, result has 45.0 percent of original size [2021-03-26 10:40:04,469 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 10:40:04,475 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 10:40:04,475 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [179515575] [2021-03-26 10:40:04,475 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 10:40:04,476 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-26 10:40:04,476 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [105706946] [2021-03-26 10:40:04,476 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-26 10:40:04,476 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 10:40:04,477 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-26 10:40:04,477 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-03-26 10:40:04,478 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 106 out of 136 [2021-03-26 10:40:04,478 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 48 places, 36 transitions, 254 flow. Second operand has 6 states, 6 states have (on average 106.83333333333333) internal successors, (641), 6 states have internal predecessors, (641), 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) [2021-03-26 10:40:04,478 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 10:40:04,478 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 106 of 136 [2021-03-26 10:40:04,478 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 10:40:04,545 INFO L129 PetriNetUnfolder]: 62/146 cut-off events. [2021-03-26 10:40:04,545 INFO L130 PetriNetUnfolder]: For 854/1052 co-relation queries the response was YES. [2021-03-26 10:40:04,546 INFO L84 FinitePrefix]: Finished finitePrefix Result has 770 conditions, 146 events. 62/146 cut-off events. For 854/1052 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 540 event pairs, 6 based on Foata normal form. 58/195 useless extension candidates. Maximal degree in co-relation 751. Up to 114 conditions per place. [2021-03-26 10:40:04,546 INFO L132 encePairwiseOnDemand]: 129/136 looper letters, 6 selfloop transitions, 18 changer transitions 4/45 dead transitions. [2021-03-26 10:40:04,546 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 52 places, 45 transitions, 396 flow [2021-03-26 10:40:04,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 10:40:04,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 10:40:04,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 772 transitions. [2021-03-26 10:40:04,549 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8109243697478992 [2021-03-26 10:40:04,549 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 772 transitions. [2021-03-26 10:40:04,549 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 772 transitions. [2021-03-26 10:40:04,550 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 10:40:04,550 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 772 transitions. [2021-03-26 10:40:04,551 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 110.28571428571429) internal successors, (772), 7 states have internal predecessors, (772), 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) [2021-03-26 10:40:04,553 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 136.0) internal successors, (1088), 8 states have internal predecessors, (1088), 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) [2021-03-26 10:40:04,554 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 136.0) internal successors, (1088), 8 states have internal predecessors, (1088), 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) [2021-03-26 10:40:04,554 INFO L185 Difference]: Start difference. First operand has 48 places, 36 transitions, 254 flow. Second operand 7 states and 772 transitions. [2021-03-26 10:40:04,554 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 52 places, 45 transitions, 396 flow [2021-03-26 10:40:04,556 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 48 places, 45 transitions, 334 flow, removed 26 selfloop flow, removed 4 redundant places. [2021-03-26 10:40:04,557 INFO L241 Difference]: Finished difference. Result has 51 places, 41 transitions, 314 flow [2021-03-26 10:40:04,558 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=136, PETRI_DIFFERENCE_MINUEND_FLOW=176, PETRI_DIFFERENCE_MINUEND_PLACES=42, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=32, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=18, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=314, PETRI_PLACES=51, PETRI_TRANSITIONS=41} [2021-03-26 10:40:04,558 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 13 predicate places. [2021-03-26 10:40:04,558 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 10:40:04,558 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 51 places, 41 transitions, 314 flow [2021-03-26 10:40:04,558 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 51 places, 41 transitions, 314 flow [2021-03-26 10:40:04,559 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 51 places, 41 transitions, 314 flow [2021-03-26 10:40:04,573 INFO L129 PetriNetUnfolder]: 59/143 cut-off events. [2021-03-26 10:40:04,574 INFO L130 PetriNetUnfolder]: For 494/571 co-relation queries the response was YES. [2021-03-26 10:40:04,574 INFO L84 FinitePrefix]: Finished finitePrefix Result has 664 conditions, 143 events. 59/143 cut-off events. For 494/571 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 570 event pairs, 6 based on Foata normal form. 4/140 useless extension candidates. Maximal degree in co-relation 646. Up to 102 conditions per place. [2021-03-26 10:40:04,576 INFO L142 LiptonReduction]: Number of co-enabled transitions 200 [2021-03-26 10:40:04,586 INFO L154 LiptonReduction]: Checked pairs total: 37 [2021-03-26 10:40:04,587 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 10:40:04,587 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 29 [2021-03-26 10:40:04,587 INFO L480 AbstractCegarLoop]: Abstraction has has 51 places, 40 transitions, 304 flow [2021-03-26 10:40:04,588 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 106.83333333333333) internal successors, (641), 6 states have internal predecessors, (641), 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) [2021-03-26 10:40:04,588 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 10:40:04,588 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 10:40:04,588 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-03-26 10:40:04,588 INFO L428 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 10:40:04,589 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 10:40:04,589 INFO L82 PathProgramCache]: Analyzing trace with hash 1507604274, now seen corresponding path program 1 times [2021-03-26 10:40:04,589 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 10:40:04,589 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2145830924] [2021-03-26 10:40:04,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 10:40:04,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 10:40:04,630 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:40:04,631 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 10:40:04,632 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:40:04,632 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:40:04,635 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:40:04,635 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:40:04,638 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 10:40:04,639 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2145830924] [2021-03-26 10:40:04,639 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 10:40:04,639 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-26 10:40:04,639 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1787664777] [2021-03-26 10:40:04,639 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-26 10:40:04,639 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 10:40:04,640 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-26 10:40:04,640 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-26 10:40:04,640 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 114 out of 136 [2021-03-26 10:40:04,641 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 51 places, 40 transitions, 304 flow. Second operand has 4 states, 4 states have (on average 115.25) internal successors, (461), 4 states have internal predecessors, (461), 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) [2021-03-26 10:40:04,641 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 10:40:04,641 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 114 of 136 [2021-03-26 10:40:04,641 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 10:40:04,676 INFO L129 PetriNetUnfolder]: 65/153 cut-off events. [2021-03-26 10:40:04,676 INFO L130 PetriNetUnfolder]: For 686/747 co-relation queries the response was YES. [2021-03-26 10:40:04,677 INFO L84 FinitePrefix]: Finished finitePrefix Result has 687 conditions, 153 events. 65/153 cut-off events. For 686/747 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 591 event pairs, 5 based on Foata normal form. 7/149 useless extension candidates. Maximal degree in co-relation 667. Up to 106 conditions per place. [2021-03-26 10:40:04,678 INFO L132 encePairwiseOnDemand]: 133/136 looper letters, 6 selfloop transitions, 3 changer transitions 0/38 dead transitions. [2021-03-26 10:40:04,678 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 52 places, 38 transitions, 285 flow [2021-03-26 10:40:04,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-26 10:40:04,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-03-26 10:40:04,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 464 transitions. [2021-03-26 10:40:04,704 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8529411764705882 [2021-03-26 10:40:04,704 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 464 transitions. [2021-03-26 10:40:04,704 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 464 transitions. [2021-03-26 10:40:04,704 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 10:40:04,704 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 464 transitions. [2021-03-26 10:40:04,705 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 116.0) internal successors, (464), 4 states have internal predecessors, (464), 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) [2021-03-26 10:40:04,706 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 136.0) internal successors, (680), 5 states have internal predecessors, (680), 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) [2021-03-26 10:40:04,707 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 136.0) internal successors, (680), 5 states have internal predecessors, (680), 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) [2021-03-26 10:40:04,707 INFO L185 Difference]: Start difference. First operand has 51 places, 40 transitions, 304 flow. Second operand 4 states and 464 transitions. [2021-03-26 10:40:04,707 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 52 places, 38 transitions, 285 flow [2021-03-26 10:40:04,709 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 48 places, 38 transitions, 244 flow, removed 14 selfloop flow, removed 4 redundant places. [2021-03-26 10:40:04,711 INFO L241 Difference]: Finished difference. Result has 50 places, 37 transitions, 235 flow [2021-03-26 10:40:04,711 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=136, PETRI_DIFFERENCE_MINUEND_FLOW=215, PETRI_DIFFERENCE_MINUEND_PLACES=45, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=36, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=33, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=235, PETRI_PLACES=50, PETRI_TRANSITIONS=37} [2021-03-26 10:40:04,712 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 12 predicate places. [2021-03-26 10:40:04,712 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 10:40:04,712 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 50 places, 37 transitions, 235 flow [2021-03-26 10:40:04,712 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 50 places, 37 transitions, 235 flow [2021-03-26 10:40:04,712 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 50 places, 37 transitions, 235 flow [2021-03-26 10:40:04,723 INFO L129 PetriNetUnfolder]: 65/153 cut-off events. [2021-03-26 10:40:04,724 INFO L130 PetriNetUnfolder]: For 332/341 co-relation queries the response was YES. [2021-03-26 10:40:04,725 INFO L84 FinitePrefix]: Finished finitePrefix Result has 561 conditions, 153 events. 65/153 cut-off events. For 332/341 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 679 event pairs, 6 based on Foata normal form. 1/144 useless extension candidates. Maximal degree in co-relation 543. Up to 73 conditions per place. [2021-03-26 10:40:04,726 INFO L142 LiptonReduction]: Number of co-enabled transitions 160 [2021-03-26 10:40:04,729 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 10:40:04,729 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 10:40:04,729 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 17 [2021-03-26 10:40:04,730 INFO L480 AbstractCegarLoop]: Abstraction has has 50 places, 37 transitions, 235 flow [2021-03-26 10:40:04,730 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 115.25) internal successors, (461), 4 states have internal predecessors, (461), 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) [2021-03-26 10:40:04,730 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 10:40:04,730 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 10:40:04,730 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-03-26 10:40:04,731 INFO L428 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 10:40:04,731 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 10:40:04,731 INFO L82 PathProgramCache]: Analyzing trace with hash 1973137346, now seen corresponding path program 2 times [2021-03-26 10:40:04,731 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 10:40:04,731 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1716432988] [2021-03-26 10:40:04,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 10:40:04,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 10:40:04,781 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:40:04,782 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:40:04,785 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:40:04,785 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:40:04,792 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:40:04,793 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:40:04,796 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:40:04,797 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:40:04,801 INFO L142 QuantifierPusher]: treesize reduction 11, result has 45.0 percent of original size [2021-03-26 10:40:04,802 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 10:40:04,808 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 10:40:04,808 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1716432988] [2021-03-26 10:40:04,808 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 10:40:04,808 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-03-26 10:40:04,808 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [273321986] [2021-03-26 10:40:04,808 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 10:40:04,808 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 10:40:04,809 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 10:40:04,809 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-03-26 10:40:04,810 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 106 out of 136 [2021-03-26 10:40:04,810 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 50 places, 37 transitions, 235 flow. Second operand has 7 states, 7 states have (on average 106.85714285714286) internal successors, (748), 7 states have internal predecessors, (748), 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) [2021-03-26 10:40:04,811 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 10:40:04,811 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 106 of 136 [2021-03-26 10:40:04,811 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 10:40:04,888 INFO L129 PetriNetUnfolder]: 54/131 cut-off events. [2021-03-26 10:40:04,888 INFO L130 PetriNetUnfolder]: For 379/504 co-relation queries the response was YES. [2021-03-26 10:40:04,889 INFO L84 FinitePrefix]: Finished finitePrefix Result has 563 conditions, 131 events. 54/131 cut-off events. For 379/504 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 478 event pairs, 2 based on Foata normal form. 42/161 useless extension candidates. Maximal degree in co-relation 543. Up to 63 conditions per place. [2021-03-26 10:40:04,889 INFO L132 encePairwiseOnDemand]: 129/136 looper letters, 2 selfloop transitions, 17 changer transitions 10/42 dead transitions. [2021-03-26 10:40:04,889 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 57 places, 42 transitions, 331 flow [2021-03-26 10:40:04,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 10:40:04,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 10:40:04,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 874 transitions. [2021-03-26 10:40:04,892 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8033088235294118 [2021-03-26 10:40:04,892 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 874 transitions. [2021-03-26 10:40:04,892 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 874 transitions. [2021-03-26 10:40:04,893 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 10:40:04,893 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 874 transitions. [2021-03-26 10:40:04,896 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 109.25) internal successors, (874), 8 states have internal predecessors, (874), 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) [2021-03-26 10:40:04,898 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 136.0) internal successors, (1224), 9 states have internal predecessors, (1224), 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) [2021-03-26 10:40:04,898 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 136.0) internal successors, (1224), 9 states have internal predecessors, (1224), 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) [2021-03-26 10:40:04,898 INFO L185 Difference]: Start difference. First operand has 50 places, 37 transitions, 235 flow. Second operand 8 states and 874 transitions. [2021-03-26 10:40:04,899 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 57 places, 42 transitions, 331 flow [2021-03-26 10:40:04,901 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 56 places, 42 transitions, 313 flow, removed 8 selfloop flow, removed 1 redundant places. [2021-03-26 10:40:04,903 INFO L241 Difference]: Finished difference. Result has 59 places, 32 transitions, 235 flow [2021-03-26 10:40:04,903 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=136, PETRI_DIFFERENCE_MINUEND_FLOW=225, PETRI_DIFFERENCE_MINUEND_PLACES=49, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=37, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=17, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=20, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=235, PETRI_PLACES=59, PETRI_TRANSITIONS=32} [2021-03-26 10:40:04,904 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 21 predicate places. [2021-03-26 10:40:04,904 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 10:40:04,904 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 59 places, 32 transitions, 235 flow [2021-03-26 10:40:04,904 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 59 places, 32 transitions, 235 flow [2021-03-26 10:40:04,905 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 55 places, 32 transitions, 235 flow [2021-03-26 10:40:04,910 INFO L129 PetriNetUnfolder]: 22/62 cut-off events. [2021-03-26 10:40:04,910 INFO L130 PetriNetUnfolder]: For 135/157 co-relation queries the response was YES. [2021-03-26 10:40:04,910 INFO L84 FinitePrefix]: Finished finitePrefix Result has 256 conditions, 62 events. 22/62 cut-off events. For 135/157 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 159 event pairs, 0 based on Foata normal form. 1/57 useless extension candidates. Maximal degree in co-relation 234. Up to 24 conditions per place. [2021-03-26 10:40:04,911 INFO L142 LiptonReduction]: Number of co-enabled transitions 84 [2021-03-26 10:40:05,175 INFO L154 LiptonReduction]: Checked pairs total: 41 [2021-03-26 10:40:05,175 INFO L156 LiptonReduction]: Total number of compositions: 7 [2021-03-26 10:40:05,176 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 272 [2021-03-26 10:40:05,176 INFO L480 AbstractCegarLoop]: Abstraction has has 52 places, 29 transitions, 245 flow [2021-03-26 10:40:05,177 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 106.85714285714286) internal successors, (748), 7 states have internal predecessors, (748), 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) [2021-03-26 10:40:05,177 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 10:40:05,177 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] [2021-03-26 10:40:05,177 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-03-26 10:40:05,177 INFO L428 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 10:40:05,178 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 10:40:05,178 INFO L82 PathProgramCache]: Analyzing trace with hash -349431497, now seen corresponding path program 1 times [2021-03-26 10:40:05,178 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 10:40:05,178 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1090422816] [2021-03-26 10:40:05,178 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 10:40:05,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 10:40:05,235 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:40:05,236 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 10:40:05,236 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:40:05,237 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:40:05,240 INFO L142 QuantifierPusher]: treesize reduction 3, result has 85.0 percent of original size [2021-03-26 10:40:05,243 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 10:40:05,251 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 10:40:05,251 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1090422816] [2021-03-26 10:40:05,251 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 10:40:05,252 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-26 10:40:05,252 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1716905524] [2021-03-26 10:40:05,252 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-26 10:40:05,252 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 10:40:05,252 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-26 10:40:05,253 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-26 10:40:05,253 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 104 out of 143 [2021-03-26 10:40:05,254 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 52 places, 29 transitions, 245 flow. Second operand has 4 states, 4 states have (on average 105.75) internal successors, (423), 4 states have internal predecessors, (423), 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) [2021-03-26 10:40:05,254 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 10:40:05,254 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 104 of 143 [2021-03-26 10:40:05,254 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 10:40:05,284 INFO L129 PetriNetUnfolder]: 17/49 cut-off events. [2021-03-26 10:40:05,284 INFO L130 PetriNetUnfolder]: For 186/208 co-relation queries the response was YES. [2021-03-26 10:40:05,285 INFO L84 FinitePrefix]: Finished finitePrefix Result has 229 conditions, 49 events. 17/49 cut-off events. For 186/208 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 108 event pairs, 0 based on Foata normal form. 6/52 useless extension candidates. Maximal degree in co-relation 212. Up to 17 conditions per place. [2021-03-26 10:40:05,285 INFO L132 encePairwiseOnDemand]: 134/143 looper letters, 0 selfloop transitions, 0 changer transitions 28/28 dead transitions. [2021-03-26 10:40:05,285 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 55 places, 28 transitions, 235 flow [2021-03-26 10:40:05,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-26 10:40:05,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-26 10:40:05,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 529 transitions. [2021-03-26 10:40:05,287 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7398601398601399 [2021-03-26 10:40:05,287 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 529 transitions. [2021-03-26 10:40:05,287 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 529 transitions. [2021-03-26 10:40:05,287 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 10:40:05,287 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 529 transitions. [2021-03-26 10:40:05,289 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 105.8) internal successors, (529), 5 states have internal predecessors, (529), 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) [2021-03-26 10:40:05,290 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 143.0) internal successors, (858), 6 states have internal predecessors, (858), 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) [2021-03-26 10:40:05,290 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 143.0) internal successors, (858), 6 states have internal predecessors, (858), 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) [2021-03-26 10:40:05,290 INFO L185 Difference]: Start difference. First operand has 52 places, 29 transitions, 245 flow. Second operand 5 states and 529 transitions. [2021-03-26 10:40:05,290 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 55 places, 28 transitions, 235 flow [2021-03-26 10:40:05,291 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 40 places, 28 transitions, 117 flow, removed 22 selfloop flow, removed 15 redundant places. [2021-03-26 10:40:05,291 INFO L241 Difference]: Finished difference. Result has 40 places, 0 transitions, 0 flow [2021-03-26 10:40:05,292 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=143, PETRI_DIFFERENCE_MINUEND_FLOW=101, PETRI_DIFFERENCE_MINUEND_PLACES=36, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=28, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=28, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=0, PETRI_PLACES=40, PETRI_TRANSITIONS=0} [2021-03-26 10:40:05,292 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 2 predicate places. [2021-03-26 10:40:05,292 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 10:40:05,292 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 40 places, 0 transitions, 0 flow [2021-03-26 10:40:05,292 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 40 places, 0 transitions, 0 flow [2021-03-26 10:40:05,292 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 0 places, 0 transitions, 0 flow [2021-03-26 10:40:05,292 INFO L129 PetriNetUnfolder]: 0/0 cut-off events. [2021-03-26 10:40:05,292 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-26 10:40:05,293 INFO L84 FinitePrefix]: Finished finitePrefix Result has 0 conditions, 0 events. 0/0 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 0. Compared 0 event pairs, 0 based on Foata normal form. 0/0 useless extension candidates. Maximal degree in co-relation 0. Up to 0 conditions per place. [2021-03-26 10:40:05,293 INFO L142 LiptonReduction]: Number of co-enabled transitions 0 [2021-03-26 10:40:05,293 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 10:40:05,293 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 10:40:05,293 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1 [2021-03-26 10:40:05,296 INFO L480 AbstractCegarLoop]: Abstraction has has 0 places, 0 transitions, 0 flow [2021-03-26 10:40:05,296 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 105.75) internal successors, (423), 4 states have internal predecessors, (423), 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) [2021-03-26 10:40:05,296 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-03-26 10:40:05,299 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.03 10:40:05 BasicIcfg [2021-03-26 10:40:05,300 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-03-26 10:40:05,300 INFO L168 Benchmark]: Toolchain (without parser) took 6375.52 ms. Allocated memory was 255.9 MB in the beginning and 419.4 MB in the end (delta: 163.6 MB). Free memory was 235.5 MB in the beginning and 273.3 MB in the end (delta: -37.8 MB). Peak memory consumption was 125.2 MB. Max. memory is 16.0 GB. [2021-03-26 10:40:05,301 INFO L168 Benchmark]: CDTParser took 0.65 ms. Allocated memory is still 255.9 MB. Free memory is still 237.6 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-03-26 10:40:05,301 INFO L168 Benchmark]: CACSL2BoogieTranslator took 538.92 ms. Allocated memory was 255.9 MB in the beginning and 348.1 MB in the end (delta: 92.3 MB). Free memory was 235.5 MB in the beginning and 311.8 MB in the end (delta: -76.3 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.0 GB. [2021-03-26 10:40:05,301 INFO L168 Benchmark]: Boogie Procedure Inliner took 63.24 ms. Allocated memory is still 348.1 MB. Free memory was 311.8 MB in the beginning and 309.8 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-03-26 10:40:05,301 INFO L168 Benchmark]: Boogie Preprocessor took 34.59 ms. Allocated memory is still 348.1 MB. Free memory was 309.8 MB in the beginning and 308.4 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-03-26 10:40:05,301 INFO L168 Benchmark]: RCFGBuilder took 440.83 ms. Allocated memory is still 348.1 MB. Free memory was 308.2 MB in the beginning and 323.0 MB in the end (delta: -14.8 MB). Peak memory consumption was 20.1 MB. Max. memory is 16.0 GB. [2021-03-26 10:40:05,302 INFO L168 Benchmark]: TraceAbstraction took 5276.87 ms. Allocated memory was 348.1 MB in the beginning and 419.4 MB in the end (delta: 71.3 MB). Free memory was 322.3 MB in the beginning and 273.3 MB in the end (delta: 49.0 MB). Peak memory consumption was 119.9 MB. Max. memory is 16.0 GB. [2021-03-26 10:40:05,308 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.65 ms. Allocated memory is still 255.9 MB. Free memory is still 237.6 MB. There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 538.92 ms. Allocated memory was 255.9 MB in the beginning and 348.1 MB in the end (delta: 92.3 MB). Free memory was 235.5 MB in the beginning and 311.8 MB in the end (delta: -76.3 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 63.24 ms. Allocated memory is still 348.1 MB. Free memory was 311.8 MB in the beginning and 309.8 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 34.59 ms. Allocated memory is still 348.1 MB. Free memory was 309.8 MB in the beginning and 308.4 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 440.83 ms. Allocated memory is still 348.1 MB. Free memory was 308.2 MB in the beginning and 323.0 MB in the end (delta: -14.8 MB). Peak memory consumption was 20.1 MB. Max. memory is 16.0 GB. * TraceAbstraction took 5276.87 ms. Allocated memory was 348.1 MB in the beginning and 419.4 MB in the end (delta: 71.3 MB). Free memory was 322.3 MB in the beginning and 273.3 MB in the end (delta: 49.0 MB). Peak memory consumption was 119.9 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1655.3ms, 81 PlacesBefore, 38 PlacesAfterwards, 69 TransitionsBefore, 25 TransitionsAfterwards, 1250 CoEnabledTransitionPairs, 4 FixpointIterations, 15 TrivialSequentialCompositions, 28 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 1 ChoiceCompositions, 44 TotalNumberOfCompositions, 1387 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1029, positive: 995, positive conditional: 995, positive unconditional: 0, negative: 34, negative conditional: 34, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1029, positive: 995, positive conditional: 0, positive unconditional: 995, negative: 34, negative conditional: 0, negative unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1029, positive: 995, positive conditional: 0, positive unconditional: 995, negative: 34, negative conditional: 0, negative unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 867, positive: 841, positive conditional: 0, positive unconditional: 841, negative: 26, negative conditional: 0, negative unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 867, positive: 829, positive conditional: 0, positive unconditional: 829, negative: 38, negative conditional: 0, negative unconditional: 38, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 38, positive: 12, positive conditional: 0, positive unconditional: 12, negative: 26, negative conditional: 0, negative unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 170, positive: 63, positive conditional: 0, positive unconditional: 63, negative: 107, negative conditional: 0, negative unconditional: 107, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1029, positive: 154, positive conditional: 0, positive unconditional: 154, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 867, unknown conditional: 0, unknown unconditional: 867] , Statistics on independence cache: Total cache size (in pairs): 867, Positive cache size: 841, Positive conditional cache size: 0, Positive unconditional cache size: 841, Negative cache size: 26, Negative conditional cache size: 0, Negative unconditional cache size: 26, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 697.2ms, 37 PlacesBefore, 33 PlacesAfterwards, 25 TransitionsBefore, 21 TransitionsAfterwards, 196 CoEnabledTransitionPairs, 3 FixpointIterations, 3 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 4 TotalNumberOfCompositions, 502 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 202, positive: 163, positive conditional: 163, positive unconditional: 0, negative: 39, negative conditional: 39, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 202, positive: 163, positive conditional: 0, positive unconditional: 163, negative: 39, negative conditional: 2, negative unconditional: 37, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 202, positive: 163, positive conditional: 0, positive unconditional: 163, negative: 39, negative conditional: 2, negative unconditional: 37, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 61, positive: 48, positive conditional: 0, positive unconditional: 48, negative: 13, negative conditional: 1, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 61, positive: 38, positive conditional: 0, positive unconditional: 38, negative: 23, negative conditional: 0, negative unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 23, positive: 10, positive conditional: 0, positive unconditional: 10, negative: 13, negative conditional: 1, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 102, positive: 46, positive conditional: 0, positive unconditional: 46, negative: 57, negative conditional: 7, negative unconditional: 50, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 202, positive: 115, positive conditional: 0, positive unconditional: 115, negative: 26, negative conditional: 1, negative unconditional: 25, unknown: 61, unknown conditional: 1, unknown unconditional: 60] , Statistics on independence cache: Total cache size (in pairs): 928, Positive cache size: 889, Positive conditional cache size: 0, Positive unconditional cache size: 889, Negative cache size: 39, Negative conditional cache size: 1, Negative unconditional cache size: 38, Eliminated conditions: 17 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 492.5ms, 38 PlacesBefore, 37 PlacesAfterwards, 30 TransitionsBefore, 29 TransitionsAfterwards, 246 CoEnabledTransitionPairs, 2 FixpointIterations, 1 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 210 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 126, positive: 114, positive conditional: 114, positive unconditional: 0, negative: 12, negative conditional: 12, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 126, positive: 114, positive conditional: 2, positive unconditional: 112, negative: 12, negative conditional: 0, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 126, positive: 114, positive conditional: 2, positive unconditional: 112, negative: 12, negative conditional: 0, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 4, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 4, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 6, positive: 6, positive conditional: 0, positive unconditional: 6, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 126, positive: 110, positive conditional: 2, positive unconditional: 108, negative: 12, negative conditional: 0, negative unconditional: 12, unknown: 4, unknown conditional: 0, unknown unconditional: 4] , Statistics on independence cache: Total cache size (in pairs): 932, Positive cache size: 893, Positive conditional cache size: 0, Positive unconditional cache size: 893, Negative cache size: 39, Negative conditional cache size: 1, Negative unconditional cache size: 38, Eliminated conditions: 36 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 14.7ms, 41 PlacesBefore, 41 PlacesAfterwards, 24 TransitionsBefore, 24 TransitionsAfterwards, 144 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 64 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 37, positive: 32, positive conditional: 32, positive unconditional: 0, negative: 5, negative conditional: 5, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 39, positive: 32, positive conditional: 0, positive unconditional: 32, negative: 7, negative conditional: 4, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 39, positive: 32, positive conditional: 0, positive unconditional: 32, negative: 7, negative conditional: 4, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 2, negative conditional: 2, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 2, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 2, negative conditional: 2, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 6, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 6, negative conditional: 6, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 39, positive: 32, positive conditional: 0, positive unconditional: 32, negative: 5, negative conditional: 2, negative unconditional: 3, unknown: 2, unknown conditional: 2, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 934, Positive cache size: 893, Positive conditional cache size: 0, Positive unconditional cache size: 893, Negative cache size: 41, Negative conditional cache size: 3, Negative unconditional cache size: 38, Eliminated conditions: 8 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 7.6ms, 38 PlacesBefore, 38 PlacesAfterwards, 24 TransitionsBefore, 24 TransitionsAfterwards, 144 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 82 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 31, positive: 25, positive conditional: 25, positive unconditional: 0, negative: 6, negative conditional: 6, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 32, positive: 25, positive conditional: 0, positive unconditional: 25, negative: 7, negative conditional: 1, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 32, positive: 25, positive conditional: 0, positive unconditional: 25, negative: 7, negative conditional: 1, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 32, positive: 24, positive conditional: 0, positive unconditional: 24, negative: 7, negative conditional: 1, negative unconditional: 6, unknown: 1, unknown conditional: 0, unknown unconditional: 1] , Statistics on independence cache: Total cache size (in pairs): 935, Positive cache size: 894, Positive conditional cache size: 0, Positive unconditional cache size: 894, Negative cache size: 41, Negative conditional cache size: 3, Negative unconditional cache size: 38, Eliminated conditions: 12 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 7.6ms, 41 PlacesBefore, 41 PlacesAfterwards, 24 TransitionsBefore, 24 TransitionsAfterwards, 128 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 58 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 23, positive: 18, positive conditional: 18, positive unconditional: 0, negative: 5, negative conditional: 5, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 23, positive: 18, positive conditional: 0, positive unconditional: 18, negative: 5, negative conditional: 2, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 23, positive: 18, positive conditional: 0, positive unconditional: 18, negative: 5, negative conditional: 2, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 23, positive: 18, positive conditional: 0, positive unconditional: 18, negative: 5, negative conditional: 2, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 935, Positive cache size: 894, Positive conditional cache size: 0, Positive unconditional cache size: 894, Negative cache size: 41, Negative conditional cache size: 3, Negative unconditional cache size: 38, Eliminated conditions: 6 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 51.9ms, 44 PlacesBefore, 44 PlacesAfterwards, 33 TransitionsBefore, 32 TransitionsAfterwards, 212 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 1 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 33 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 23, positive: 21, positive conditional: 21, positive unconditional: 0, negative: 2, negative conditional: 2, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 23, positive: 21, positive conditional: 12, positive unconditional: 9, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 23, positive: 21, positive conditional: 12, positive unconditional: 9, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 6, positive: 6, positive conditional: 4, positive unconditional: 2, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 6, positive: 6, positive conditional: 0, positive unconditional: 6, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 23, positive: 15, positive conditional: 8, positive unconditional: 7, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 6, unknown conditional: 4, unknown unconditional: 2] , Statistics on independence cache: Total cache size (in pairs): 941, Positive cache size: 900, Positive conditional cache size: 4, Positive unconditional cache size: 896, Negative cache size: 41, Negative conditional cache size: 3, Negative unconditional cache size: 38, Eliminated conditions: 7 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 38.4ms, 48 PlacesBefore, 48 PlacesAfterwards, 37 TransitionsBefore, 36 TransitionsAfterwards, 228 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 1 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 39 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 29, positive: 27, positive conditional: 27, positive unconditional: 0, negative: 2, negative conditional: 2, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 29, positive: 27, positive conditional: 17, positive unconditional: 10, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 29, positive: 27, positive conditional: 17, positive unconditional: 10, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 5, positive: 5, positive conditional: 3, positive unconditional: 2, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 5, positive: 5, positive conditional: 0, positive unconditional: 5, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 29, positive: 22, positive conditional: 14, positive unconditional: 8, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 5, unknown conditional: 3, unknown unconditional: 2] , Statistics on independence cache: Total cache size (in pairs): 946, Positive cache size: 905, Positive conditional cache size: 7, Positive unconditional cache size: 898, Negative cache size: 41, Negative conditional cache size: 3, Negative unconditional cache size: 38, Eliminated conditions: 6 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 28.3ms, 51 PlacesBefore, 51 PlacesAfterwards, 41 TransitionsBefore, 40 TransitionsAfterwards, 200 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 1 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 37 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 34, positive: 32, positive conditional: 32, positive unconditional: 0, negative: 2, negative conditional: 2, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 34, positive: 32, positive conditional: 30, positive unconditional: 2, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 34, positive: 32, positive conditional: 30, positive unconditional: 2, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 34, positive: 31, positive conditional: 29, positive unconditional: 2, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 1, unknown conditional: 1, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 947, Positive cache size: 906, Positive conditional cache size: 8, Positive unconditional cache size: 898, Negative cache size: 41, Negative conditional cache size: 3, Negative unconditional cache size: 38, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 16.6ms, 50 PlacesBefore, 50 PlacesAfterwards, 37 TransitionsBefore, 37 TransitionsAfterwards, 160 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 947, Positive cache size: 906, Positive conditional cache size: 8, Positive unconditional cache size: 898, Negative cache size: 41, Negative conditional cache size: 3, Negative unconditional cache size: 38, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 271.2ms, 59 PlacesBefore, 52 PlacesAfterwards, 32 TransitionsBefore, 29 TransitionsAfterwards, 84 CoEnabledTransitionPairs, 3 FixpointIterations, 1 TrivialSequentialCompositions, 6 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 7 TotalNumberOfCompositions, 41 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 41, positive: 41, positive conditional: 41, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 41, positive: 41, positive conditional: 19, positive unconditional: 22, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 41, positive: 41, positive conditional: 19, positive unconditional: 22, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 8, positive: 8, positive conditional: 3, positive unconditional: 5, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 8, positive: 8, positive conditional: 0, positive unconditional: 8, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 41, positive: 33, positive conditional: 16, positive unconditional: 17, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 8, unknown conditional: 3, unknown unconditional: 5] , Statistics on independence cache: Total cache size (in pairs): 955, Positive cache size: 914, Positive conditional cache size: 11, Positive unconditional cache size: 903, Negative cache size: 41, Negative conditional cache size: 3, Negative unconditional cache size: 38, Eliminated conditions: 22 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.6ms, 40 PlacesBefore, 0 PlacesAfterwards, 0 TransitionsBefore, 0 TransitionsAfterwards, 0 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 955, Positive cache size: 914, Positive conditional cache size: 11, Positive unconditional cache size: 903, Negative cache size: 41, Negative conditional cache size: 3, Negative unconditional cache size: 38, Eliminated conditions: 0 - PositiveResult [Line: 18]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 86 locations, 1 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 5.1ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: SAFE, OverallTime: 5177.8ms, OverallIterations: 11, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 737.7ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 1737.0ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 40 SDtfs, 45 SDslu, 31 SDs, 0 SdLazy, 219 SolverSat, 59 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 150.8ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 41 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 154.5ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=314occurred in iteration=8, InterpolantAutomatonStates: 54, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 26.6ms SsaConstructionTime, 246.2ms SatisfiabilityAnalysisTime, 564.3ms InterpolantComputationTime, 170 NumberOfCodeBlocks, 170 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 159 ConstructedInterpolants, 0 QuantifiedInterpolants, 719 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 11 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! Received shutdown request...