/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/rfi003_tso.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-d5b4239aa45c8d22a30959944f2ef622f7386a6d-d5b4239 [2021-03-26 10:20:23,539 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-03-26 10:20:23,541 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-03-26 10:20:23,572 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-03-26 10:20:23,572 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-03-26 10:20:23,575 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-03-26 10:20:23,577 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-03-26 10:20:23,582 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-03-26 10:20:23,583 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-03-26 10:20:23,587 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-03-26 10:20:23,588 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-03-26 10:20:23,589 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-03-26 10:20:23,589 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-03-26 10:20:23,591 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-03-26 10:20:23,592 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-03-26 10:20:23,595 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-03-26 10:20:23,595 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-03-26 10:20:23,596 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-03-26 10:20:23,597 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-03-26 10:20:23,597 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-03-26 10:20:23,658 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-03-26 10:20:23,659 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-03-26 10:20:23,660 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-03-26 10:20:23,661 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-03-26 10:20:23,665 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-03-26 10:20:23,670 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-03-26 10:20:23,671 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-03-26 10:20:23,671 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-03-26 10:20:23,672 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 10:20:23,757 INFO L113 SettingsManager]: Loading preferences was successful [2021-03-26 10:20:23,758 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-03-26 10:20:23,761 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-03-26 10:20:23,761 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-03-26 10:20:23,761 INFO L138 SettingsManager]: * Use SBE=true [2021-03-26 10:20:23,761 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-03-26 10:20:23,762 INFO L138 SettingsManager]: * sizeof long=4 [2021-03-26 10:20:23,762 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-03-26 10:20:23,762 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-03-26 10:20:23,763 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-03-26 10:20:23,763 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-03-26 10:20:23,763 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-03-26 10:20:23,763 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-03-26 10:20:23,763 INFO L138 SettingsManager]: * sizeof long double=12 [2021-03-26 10:20:23,764 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-03-26 10:20:23,764 INFO L138 SettingsManager]: * Use constant arrays=true [2021-03-26 10:20:23,764 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-03-26 10:20:23,764 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-03-26 10:20:23,764 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-03-26 10:20:23,764 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-03-26 10:20:23,764 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-03-26 10:20:23,764 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-26 10:20:23,764 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-03-26 10:20:23,764 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-03-26 10:20:23,764 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-03-26 10:20:23,765 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-03-26 10:20:23,765 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-03-26 10:20:23,765 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=SEMANTIC_BASED_MOVER_CHECK_WITH_PREDICATES_DISJUNCTIVE [2021-03-26 10:20:23,765 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-03-26 10:20:23,765 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-03-26 10:20:23,765 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-03-26 10:20:23,989 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-03-26 10:20:24,014 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-03-26 10:20:24,016 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-03-26 10:20:24,017 INFO L271 PluginConnector]: Initializing CDTParser... [2021-03-26 10:20:24,018 INFO L275 PluginConnector]: CDTParser initialized [2021-03-26 10:20:24,019 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/rfi003_tso.opt.i [2021-03-26 10:20:24,070 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/59ca27e1d/8864a25dc51141a5817467877f48ce22/FLAGf6b01f324 [2021-03-26 10:20:24,752 INFO L306 CDTParser]: Found 1 translation units. [2021-03-26 10:20:24,753 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/rfi003_tso.opt.i [2021-03-26 10:20:24,766 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/59ca27e1d/8864a25dc51141a5817467877f48ce22/FLAGf6b01f324 [2021-03-26 10:20:25,097 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/59ca27e1d/8864a25dc51141a5817467877f48ce22 [2021-03-26 10:20:25,101 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-03-26 10:20:25,102 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-03-26 10:20:25,104 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-03-26 10:20:25,104 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-03-26 10:20:25,106 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-03-26 10:20:25,107 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.03 10:20:25" (1/1) ... [2021-03-26 10:20:25,108 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9960983 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 10:20:25, skipping insertion in model container [2021-03-26 10:20:25,108 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.03 10:20:25" (1/1) ... [2021-03-26 10:20:25,112 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-03-26 10:20:25,148 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-03-26 10:20:25,309 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/rfi003_tso.opt.i[948,961] [2021-03-26 10:20:25,424 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-26 10:20:25,429 INFO L203 MainTranslator]: Completed pre-run [2021-03-26 10:20:25,436 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/rfi003_tso.opt.i[948,961] [2021-03-26 10:20:25,490 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-26 10:20:25,558 INFO L208 MainTranslator]: Completed translation [2021-03-26 10:20:25,558 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 10:20:25 WrapperNode [2021-03-26 10:20:25,560 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-03-26 10:20:25,561 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-03-26 10:20:25,562 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-03-26 10:20:25,562 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-03-26 10:20:25,568 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 10:20:25" (1/1) ... [2021-03-26 10:20:25,604 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 10:20:25" (1/1) ... [2021-03-26 10:20:25,663 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-03-26 10:20:25,664 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-03-26 10:20:25,664 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-03-26 10:20:25,664 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-03-26 10:20:25,670 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 10:20:25" (1/1) ... [2021-03-26 10:20:25,670 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 10:20:25" (1/1) ... [2021-03-26 10:20:25,673 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 10:20:25" (1/1) ... [2021-03-26 10:20:25,673 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 10:20:25" (1/1) ... [2021-03-26 10:20:25,696 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 10:20:25" (1/1) ... [2021-03-26 10:20:25,700 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 10:20:25" (1/1) ... [2021-03-26 10:20:25,702 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 10:20:25" (1/1) ... [2021-03-26 10:20:25,705 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-03-26 10:20:25,705 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-03-26 10:20:25,705 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-03-26 10:20:25,706 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-03-26 10:20:25,712 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 10:20:25" (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 10:20:25,805 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-03-26 10:20:25,806 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-03-26 10:20:25,806 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-03-26 10:20:25,806 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-03-26 10:20:25,807 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-03-26 10:20:25,807 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-03-26 10:20:25,808 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-03-26 10:20:25,808 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-03-26 10:20:25,808 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-03-26 10:20:25,808 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-03-26 10:20:25,808 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-03-26 10:20:25,808 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-03-26 10:20:25,810 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 10:20:28,480 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-03-26 10:20:28,480 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-03-26 10:20:28,482 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.03 10:20:28 BoogieIcfgContainer [2021-03-26 10:20:28,482 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-03-26 10:20:28,483 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-03-26 10:20:28,484 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-03-26 10:20:28,486 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-03-26 10:20:28,487 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.03 10:20:25" (1/3) ... [2021-03-26 10:20:28,487 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24c7313c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.03 10:20:28, skipping insertion in model container [2021-03-26 10:20:28,488 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 10:20:25" (2/3) ... [2021-03-26 10:20:28,488 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24c7313c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.03 10:20:28, skipping insertion in model container [2021-03-26 10:20:28,488 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.03 10:20:28" (3/3) ... [2021-03-26 10:20:28,490 INFO L111 eAbstractionObserver]: Analyzing ICFG rfi003_tso.opt.i [2021-03-26 10:20:28,495 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-03-26 10:20:28,500 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2021-03-26 10:20:28,501 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-03-26 10:20:28,534 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:28,535 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:28,535 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:28,535 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:28,536 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:28,536 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:28,536 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:28,536 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:28,537 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:28,537 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:28,537 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:28,537 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:28,538 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:28,538 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:28,538 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:28,539 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:28,539 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:28,539 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:28,539 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:28,540 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:28,540 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:28,540 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:28,541 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:28,541 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:28,541 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:28,541 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:28,542 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:28,542 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:28,542 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:28,543 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:28,543 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:28,543 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:28,543 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:28,544 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:28,544 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:28,544 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:28,545 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:28,545 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:28,545 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:28,545 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:28,546 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:28,546 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:28,546 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:28,547 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:28,547 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:28,547 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:28,547 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:28,547 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:28,548 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:28,548 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:28,548 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:28,549 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:28,549 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:28,549 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:28,549 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:28,550 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:28,550 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:28,550 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:28,550 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:28,551 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:28,551 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:28,551 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:28,551 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:28,551 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:28,552 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:28,552 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:28,552 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:28,553 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:28,553 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:28,553 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:28,553 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:28,553 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:28,554 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:28,554 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:28,554 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:28,554 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:28,555 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:28,555 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:28,555 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:28,555 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:28,555 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:28,556 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:28,556 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:28,556 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:28,556 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:28,557 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:28,557 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:28,557 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:28,557 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:28,557 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:28,558 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:28,558 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:28,558 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:28,558 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:28,560 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:28,560 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:28,560 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:28,561 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:28,561 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:28,561 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:28,561 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:28,562 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:28,562 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:28,562 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:28,562 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:28,563 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:28,563 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:28,563 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:28,563 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:28,564 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:28,564 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:28,564 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:28,564 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:28,565 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:28,565 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:28,565 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:28,565 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:28,565 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:28,566 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:28,566 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:28,566 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:28,566 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:28,567 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:28,567 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:28,567 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:28,567 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:28,567 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:28,568 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:28,568 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:28,568 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:28,568 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:28,569 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:28,571 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:28,571 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:28,571 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:28,571 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:28,572 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:28,572 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:28,572 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:28,572 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:28,573 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:28,573 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:28,573 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:28,573 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:28,574 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:28,574 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:28,574 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:28,574 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:28,575 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:28,575 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:28,575 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:28,575 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:28,576 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:28,576 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:28,576 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:28,576 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:28,577 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:28,577 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:28,577 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:28,577 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:28,578 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:28,578 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:28,578 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:28,578 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:28,579 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:28,579 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:28,579 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:28,579 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:28,579 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:28,580 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:28,581 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:28,581 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:28,582 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:28,582 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:28,582 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:28,582 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:28,583 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:28,583 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:28,583 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:28,583 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:28,583 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:28,584 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:28,584 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:28,584 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:28,584 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:28,585 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:28,585 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:28,585 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:28,585 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:28,585 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:28,586 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:28,586 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:28,586 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:28,586 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:28,587 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:28,587 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:28,587 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:28,587 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:28,587 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:28,588 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:28,588 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:28,588 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:28,588 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:28,588 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:28,589 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:28,589 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:28,589 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:28,589 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:28,591 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:28,591 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite68| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:28,592 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite67| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:28,592 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:28,592 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:28,592 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:28,593 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:28,593 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:28,593 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite68| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:28,593 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite67| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:28,594 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:28,594 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:28,594 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:28,594 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:28,595 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:28,595 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:28,595 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:28,595 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:28,597 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:28,597 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:28,598 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:28,598 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:28,598 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:28,598 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:28,599 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:28,599 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:28,599 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:28,599 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:28,599 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:28,600 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:28,600 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:28,600 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:28,600 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:28,601 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:28,602 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:28,603 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:28,603 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:28,603 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:28,603 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:28,603 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:28,604 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:28,604 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:28,604 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite68| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:28,604 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:28,605 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:28,605 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:28,605 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:28,605 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:28,606 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:28,606 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:28,606 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:28,606 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:28,607 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:28,607 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:28,607 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:28,607 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:28,607 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:28,608 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:28,608 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:28,608 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:28,608 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:28,609 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:28,609 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:28,609 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:28,609 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:28,610 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:28,610 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:28,610 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:28,610 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:28,610 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:28,611 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite67| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:28,611 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:28,611 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:28,611 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:28,612 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:28,612 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:28,612 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:28,612 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:28,613 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:28,613 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:28,613 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:28,613 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:28,613 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:28,614 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:28,614 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:28,614 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:28,614 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:28,615 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:28,615 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:28,615 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:28,615 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:28,615 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:28,617 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-03-26 10:20:28,633 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2021-03-26 10:20:28,651 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-03-26 10:20:28,651 INFO L377 AbstractCegarLoop]: Hoare is false [2021-03-26 10:20:28,651 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-03-26 10:20:28,651 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-03-26 10:20:28,652 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-03-26 10:20:28,652 INFO L381 AbstractCegarLoop]: Difference is false [2021-03-26 10:20:28,652 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-03-26 10:20:28,652 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-03-26 10:20:28,660 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 90 places, 85 transitions, 180 flow [2021-03-26 10:20:28,684 INFO L129 PetriNetUnfolder]: 2/83 cut-off events. [2021-03-26 10:20:28,684 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-26 10:20:28,687 INFO L84 FinitePrefix]: Finished finitePrefix Result has 90 conditions, 83 events. 2/83 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 61 event pairs, 0 based on Foata normal form. 0/79 useless extension candidates. Maximal degree in co-relation 49. Up to 2 conditions per place. [2021-03-26 10:20:28,687 INFO L82 GeneralOperation]: Start removeDead. Operand has 90 places, 85 transitions, 180 flow [2021-03-26 10:20:28,691 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 88 places, 83 transitions, 172 flow [2021-03-26 10:20:28,693 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 10:20:28,704 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 88 places, 83 transitions, 172 flow [2021-03-26 10:20:28,707 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 88 places, 83 transitions, 172 flow [2021-03-26 10:20:28,708 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 88 places, 83 transitions, 172 flow [2021-03-26 10:20:28,720 INFO L129 PetriNetUnfolder]: 2/83 cut-off events. [2021-03-26 10:20:28,720 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-26 10:20:28,720 INFO L84 FinitePrefix]: Finished finitePrefix Result has 90 conditions, 83 events. 2/83 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 56 event pairs, 0 based on Foata normal form. 0/79 useless extension candidates. Maximal degree in co-relation 49. Up to 2 conditions per place. [2021-03-26 10:20:28,722 INFO L142 LiptonReduction]: Number of co-enabled transitions 1124 [2021-03-26 10:20:29,771 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 58 [2021-03-26 10:20:30,117 WARN L205 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 81 [2021-03-26 10:20:30,249 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2021-03-26 10:20:31,361 WARN L205 SmtUtils]: Spent 566.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 188 [2021-03-26 10:20:31,598 WARN L205 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2021-03-26 10:20:32,707 WARN L205 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 312 DAG size of output: 268 [2021-03-26 10:20:33,218 WARN L205 SmtUtils]: Spent 508.00 ms on a formula simplification that was a NOOP. DAG size: 265 [2021-03-26 10:20:33,641 INFO L154 LiptonReduction]: Checked pairs total: 2573 [2021-03-26 10:20:33,641 INFO L156 LiptonReduction]: Total number of compositions: 57 [2021-03-26 10:20:33,642 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 4951 [2021-03-26 10:20:33,649 INFO L129 PetriNetUnfolder]: 0/14 cut-off events. [2021-03-26 10:20:33,649 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-26 10:20:33,649 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 10:20:33,650 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 10:20:33,650 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 10:20:33,653 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 10:20:33,653 INFO L82 PathProgramCache]: Analyzing trace with hash -1356023939, now seen corresponding path program 1 times [2021-03-26 10:20:33,658 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 10:20:33,659 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [587062743] [2021-03-26 10:20:33,659 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 10:20:33,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 10:20:33,814 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:20:33,815 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 10:20:33,815 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:20:33,816 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:20:33,820 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 10:20:33,821 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [587062743] [2021-03-26 10:20:33,821 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 10:20:33,821 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-03-26 10:20:33,821 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1334558537] [2021-03-26 10:20:33,826 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-26 10:20:33,827 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 10:20:33,834 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-26 10:20:33,835 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-26 10:20:33,836 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 118 out of 142 [2021-03-26 10:20:33,838 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 38 places, 32 transitions, 70 flow. Second operand has 3 states, 3 states have (on average 118.66666666666667) internal successors, (356), 3 states have internal predecessors, (356), 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 10:20:33,838 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 10:20:33,838 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 118 of 142 [2021-03-26 10:20:33,838 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 10:20:33,915 INFO L129 PetriNetUnfolder]: 52/137 cut-off events. [2021-03-26 10:20:33,916 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-26 10:20:33,916 INFO L84 FinitePrefix]: Finished finitePrefix Result has 242 conditions, 137 events. 52/137 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 562 event pairs, 4 based on Foata normal form. 14/146 useless extension candidates. Maximal degree in co-relation 228. Up to 85 conditions per place. [2021-03-26 10:20:33,918 INFO L132 encePairwiseOnDemand]: 138/142 looper letters, 11 selfloop transitions, 2 changer transitions 0/33 dead transitions. [2021-03-26 10:20:33,918 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 38 places, 33 transitions, 98 flow [2021-03-26 10:20:33,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-26 10:20:33,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-26 10:20:33,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 370 transitions. [2021-03-26 10:20:33,932 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8685446009389671 [2021-03-26 10:20:33,933 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 370 transitions. [2021-03-26 10:20:33,933 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 370 transitions. [2021-03-26 10:20:33,936 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 10:20:33,938 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 370 transitions. [2021-03-26 10:20:33,942 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 123.33333333333333) internal successors, (370), 3 states have internal predecessors, (370), 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 10:20:33,954 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 142.0) internal successors, (568), 4 states have internal predecessors, (568), 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 10:20:33,954 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 142.0) internal successors, (568), 4 states have internal predecessors, (568), 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 10:20:33,955 INFO L185 Difference]: Start difference. First operand has 38 places, 32 transitions, 70 flow. Second operand 3 states and 370 transitions. [2021-03-26 10:20:33,956 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 38 places, 33 transitions, 98 flow [2021-03-26 10:20:33,958 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 36 places, 33 transitions, 96 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-03-26 10:20:33,959 INFO L241 Difference]: Finished difference. Result has 36 places, 29 transitions, 66 flow [2021-03-26 10:20:33,960 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=142, PETRI_DIFFERENCE_MINUEND_FLOW=62, PETRI_DIFFERENCE_MINUEND_PLACES=34, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=29, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=27, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=66, PETRI_PLACES=36, PETRI_TRANSITIONS=29} [2021-03-26 10:20:33,961 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, -2 predicate places. [2021-03-26 10:20:33,961 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 10:20:33,961 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 36 places, 29 transitions, 66 flow [2021-03-26 10:20:33,962 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 36 places, 29 transitions, 66 flow [2021-03-26 10:20:33,962 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 36 places, 29 transitions, 66 flow [2021-03-26 10:20:33,968 INFO L129 PetriNetUnfolder]: 0/29 cut-off events. [2021-03-26 10:20:33,968 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-26 10:20:33,968 INFO L84 FinitePrefix]: Finished finitePrefix Result has 37 conditions, 29 events. 0/29 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 31 event pairs, 0 based on Foata normal form. 0/28 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2021-03-26 10:20:33,969 INFO L142 LiptonReduction]: Number of co-enabled transitions 278 [2021-03-26 10:20:34,825 WARN L205 SmtUtils]: Spent 682.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 188 [2021-03-26 10:20:35,083 WARN L205 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2021-03-26 10:20:35,591 WARN L205 SmtUtils]: Spent 505.00 ms on a formula simplification that was a NOOP. DAG size: 268 [2021-03-26 10:20:36,172 WARN L205 SmtUtils]: Spent 580.00 ms on a formula simplification that was a NOOP. DAG size: 268 [2021-03-26 10:20:37,397 WARN L205 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2021-03-26 10:20:37,657 WARN L205 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2021-03-26 10:20:38,348 WARN L205 SmtUtils]: Spent 678.00 ms on a formula simplification that was a NOOP. DAG size: 279 [2021-03-26 10:20:39,093 WARN L205 SmtUtils]: Spent 743.00 ms on a formula simplification that was a NOOP. DAG size: 279 [2021-03-26 10:20:39,863 WARN L205 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 110 [2021-03-26 10:20:40,147 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 110 [2021-03-26 10:20:40,302 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-03-26 10:20:40,387 INFO L154 LiptonReduction]: Checked pairs total: 1028 [2021-03-26 10:20:40,387 INFO L156 LiptonReduction]: Total number of compositions: 10 [2021-03-26 10:20:40,387 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 6426 [2021-03-26 10:20:40,389 INFO L480 AbstractCegarLoop]: Abstraction has has 27 places, 20 transitions, 48 flow [2021-03-26 10:20:40,389 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 118.66666666666667) internal successors, (356), 3 states have internal predecessors, (356), 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 10:20:40,389 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 10:20:40,390 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 10:20:40,390 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-03-26 10:20:40,390 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 10:20:40,390 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 10:20:40,390 INFO L82 PathProgramCache]: Analyzing trace with hash 1181923594, now seen corresponding path program 1 times [2021-03-26 10:20:40,390 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 10:20:40,391 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1943571370] [2021-03-26 10:20:40,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 10:20:40,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 10:20:40,508 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:20:40,508 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 10:20:40,509 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:20:40,509 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:20:40,593 INFO L142 QuantifierPusher]: treesize reduction 9, result has 30.8 percent of original size [2021-03-26 10:20:40,593 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-26 10:20:40,598 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 10:20:40,598 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1943571370] [2021-03-26 10:20:40,598 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 10:20:40,598 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-26 10:20:40,598 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2025394848] [2021-03-26 10:20:40,599 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-26 10:20:40,599 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 10:20:40,600 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-26 10:20:40,600 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-26 10:20:40,603 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 127 out of 152 [2021-03-26 10:20:40,604 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 27 places, 20 transitions, 48 flow. Second operand has 4 states, 4 states have (on average 127.75) internal successors, (511), 4 states have internal predecessors, (511), 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 10:20:40,604 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 10:20:40,604 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 127 of 152 [2021-03-26 10:20:40,604 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 10:20:40,653 INFO L129 PetriNetUnfolder]: 1/23 cut-off events. [2021-03-26 10:20:40,653 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-26 10:20:40,654 INFO L84 FinitePrefix]: Finished finitePrefix Result has 38 conditions, 23 events. 1/23 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 42 event pairs, 0 based on Foata normal form. 0/22 useless extension candidates. Maximal degree in co-relation 29. Up to 3 conditions per place. [2021-03-26 10:20:40,655 INFO L132 encePairwiseOnDemand]: 148/152 looper letters, 1 selfloop transitions, 2 changer transitions 4/22 dead transitions. [2021-03-26 10:20:40,655 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 31 places, 22 transitions, 64 flow [2021-03-26 10:20:40,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-26 10:20:40,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-26 10:20:40,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 642 transitions. [2021-03-26 10:20:40,658 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8447368421052631 [2021-03-26 10:20:40,658 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 642 transitions. [2021-03-26 10:20:40,658 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 642 transitions. [2021-03-26 10:20:40,658 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 10:20:40,659 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 642 transitions. [2021-03-26 10:20:40,660 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 128.4) internal successors, (642), 5 states have internal predecessors, (642), 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 10:20:40,662 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 152.0) internal successors, (912), 6 states have internal predecessors, (912), 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 10:20:40,663 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 152.0) internal successors, (912), 6 states have internal predecessors, (912), 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 10:20:40,663 INFO L185 Difference]: Start difference. First operand has 27 places, 20 transitions, 48 flow. Second operand 5 states and 642 transitions. [2021-03-26 10:20:40,663 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 31 places, 22 transitions, 64 flow [2021-03-26 10:20:40,664 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 29 places, 22 transitions, 60 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-03-26 10:20:40,664 INFO L241 Difference]: Finished difference. Result has 30 places, 18 transitions, 48 flow [2021-03-26 10:20:40,664 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=152, PETRI_DIFFERENCE_MINUEND_FLOW=44, PETRI_DIFFERENCE_MINUEND_PLACES=25, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=20, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=18, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=48, PETRI_PLACES=30, PETRI_TRANSITIONS=18} [2021-03-26 10:20:40,665 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, -8 predicate places. [2021-03-26 10:20:40,665 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 10:20:40,665 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 30 places, 18 transitions, 48 flow [2021-03-26 10:20:40,666 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 30 places, 18 transitions, 48 flow [2021-03-26 10:20:40,666 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 26 places, 18 transitions, 48 flow [2021-03-26 10:20:40,676 INFO L129 PetriNetUnfolder]: 0/18 cut-off events. [2021-03-26 10:20:40,676 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-26 10:20:40,676 INFO L84 FinitePrefix]: Finished finitePrefix Result has 29 conditions, 18 events. 0/18 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. 0/18 useless extension candidates. Maximal degree in co-relation 0. Up to 3 conditions per place. [2021-03-26 10:20:40,677 INFO L142 LiptonReduction]: Number of co-enabled transitions 140 [2021-03-26 10:20:41,127 INFO L154 LiptonReduction]: Checked pairs total: 189 [2021-03-26 10:20:41,127 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 10:20:41,127 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 462 [2021-03-26 10:20:41,132 INFO L480 AbstractCegarLoop]: Abstraction has has 26 places, 18 transitions, 48 flow [2021-03-26 10:20:41,132 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 127.75) internal successors, (511), 4 states have internal predecessors, (511), 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 10:20:41,133 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 10:20:41,133 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 10:20:41,133 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-03-26 10:20:41,133 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 10:20:41,133 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 10:20:41,133 INFO L82 PathProgramCache]: Analyzing trace with hash -740724176, now seen corresponding path program 1 times [2021-03-26 10:20:41,133 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 10:20:41,133 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1819551448] [2021-03-26 10:20:41,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 10:20:41,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 10:20:41,240 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:20:41,240 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:20:41,244 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 10:20:41,244 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1819551448] [2021-03-26 10:20:41,245 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 10:20:41,247 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-03-26 10:20:41,247 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1716821674] [2021-03-26 10:20:41,247 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-26 10:20:41,247 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 10:20:41,247 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-26 10:20:41,248 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-26 10:20:41,249 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 132 out of 152 [2021-03-26 10:20:41,249 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 26 places, 18 transitions, 48 flow. Second operand has 3 states, 3 states have (on average 132.66666666666666) internal successors, (398), 3 states have internal predecessors, (398), 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 10:20:41,249 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 10:20:41,249 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 132 of 152 [2021-03-26 10:20:41,249 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 10:20:41,262 INFO L129 PetriNetUnfolder]: 0/18 cut-off events. [2021-03-26 10:20:41,263 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2021-03-26 10:20:41,263 INFO L84 FinitePrefix]: Finished finitePrefix Result has 33 conditions, 18 events. 0/18 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 20 event pairs, 0 based on Foata normal form. 1/19 useless extension candidates. Maximal degree in co-relation 0. Up to 3 conditions per place. [2021-03-26 10:20:41,263 INFO L132 encePairwiseOnDemand]: 149/152 looper letters, 1 selfloop transitions, 2 changer transitions 0/18 dead transitions. [2021-03-26 10:20:41,263 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 28 places, 18 transitions, 54 flow [2021-03-26 10:20:41,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-26 10:20:41,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-26 10:20:41,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 400 transitions. [2021-03-26 10:20:41,265 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8771929824561403 [2021-03-26 10:20:41,265 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 400 transitions. [2021-03-26 10:20:41,265 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 400 transitions. [2021-03-26 10:20:41,265 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 10:20:41,266 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 400 transitions. [2021-03-26 10:20:41,266 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 133.33333333333334) internal successors, (400), 3 states have internal predecessors, (400), 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 10:20:41,267 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 152.0) internal successors, (608), 4 states have internal predecessors, (608), 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 10:20:41,267 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 152.0) internal successors, (608), 4 states have internal predecessors, (608), 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 10:20:41,267 INFO L185 Difference]: Start difference. First operand has 26 places, 18 transitions, 48 flow. Second operand 3 states and 400 transitions. [2021-03-26 10:20:41,267 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 28 places, 18 transitions, 54 flow [2021-03-26 10:20:41,268 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 26 places, 18 transitions, 50 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-03-26 10:20:41,268 INFO L241 Difference]: Finished difference. Result has 27 places, 18 transitions, 52 flow [2021-03-26 10:20:41,268 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=152, PETRI_DIFFERENCE_MINUEND_FLOW=44, PETRI_DIFFERENCE_MINUEND_PLACES=24, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=18, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=16, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=52, PETRI_PLACES=27, PETRI_TRANSITIONS=18} [2021-03-26 10:20:41,268 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, -11 predicate places. [2021-03-26 10:20:41,268 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 10:20:41,269 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 27 places, 18 transitions, 52 flow [2021-03-26 10:20:41,269 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 27 places, 18 transitions, 52 flow [2021-03-26 10:20:41,269 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 27 places, 18 transitions, 52 flow [2021-03-26 10:20:41,274 INFO L129 PetriNetUnfolder]: 0/18 cut-off events. [2021-03-26 10:20:41,274 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2021-03-26 10:20:41,274 INFO L84 FinitePrefix]: Finished finitePrefix Result has 32 conditions, 18 events. 0/18 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 17 event pairs, 0 based on Foata normal form. 0/18 useless extension candidates. Maximal degree in co-relation 0. Up to 3 conditions per place. [2021-03-26 10:20:41,274 INFO L142 LiptonReduction]: Number of co-enabled transitions 138 [2021-03-26 10:20:41,342 INFO L154 LiptonReduction]: Checked pairs total: 187 [2021-03-26 10:20:41,342 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 10:20:41,342 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 74 [2021-03-26 10:20:41,343 INFO L480 AbstractCegarLoop]: Abstraction has has 27 places, 18 transitions, 52 flow [2021-03-26 10:20:41,343 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 132.66666666666666) internal successors, (398), 3 states have internal predecessors, (398), 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 10:20:41,344 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 10:20:41,344 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 10:20:41,344 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-03-26 10:20:41,344 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 10:20:41,344 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 10:20:41,344 INFO L82 PathProgramCache]: Analyzing trace with hash -1487613449, now seen corresponding path program 1 times [2021-03-26 10:20:41,344 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 10:20:41,344 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [599882844] [2021-03-26 10:20:41,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 10:20:41,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 10:20:41,532 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:20:41,533 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 10:20:41,547 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:20:41,548 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 10:20:41,558 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:20:41,560 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 10:20:41,580 INFO L142 QuantifierPusher]: treesize reduction 39, result has 71.3 percent of original size [2021-03-26 10:20:41,583 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 97 [2021-03-26 10:20:41,664 INFO L142 QuantifierPusher]: treesize reduction 23, result has 77.7 percent of original size [2021-03-26 10:20:41,665 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 80 [2021-03-26 10:20:41,700 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 10:20:41,700 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [599882844] [2021-03-26 10:20:41,700 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 10:20:41,700 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-03-26 10:20:41,700 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1581530860] [2021-03-26 10:20:41,701 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 10:20:41,701 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 10:20:41,701 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 10:20:41,701 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-03-26 10:20:41,702 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 99 out of 152 [2021-03-26 10:20:41,704 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 27 places, 18 transitions, 52 flow. Second operand has 7 states, 7 states have (on average 99.85714285714286) internal successors, (699), 7 states have internal predecessors, (699), 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 10:20:41,704 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 10:20:41,704 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 99 of 152 [2021-03-26 10:20:41,704 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 10:20:42,015 INFO L129 PetriNetUnfolder]: 59/132 cut-off events. [2021-03-26 10:20:42,015 INFO L130 PetriNetUnfolder]: For 20/20 co-relation queries the response was YES. [2021-03-26 10:20:42,016 INFO L84 FinitePrefix]: Finished finitePrefix Result has 301 conditions, 132 events. 59/132 cut-off events. For 20/20 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 480 event pairs, 13 based on Foata normal form. 3/135 useless extension candidates. Maximal degree in co-relation 290. Up to 100 conditions per place. [2021-03-26 10:20:42,020 INFO L132 encePairwiseOnDemand]: 143/152 looper letters, 11 selfloop transitions, 16 changer transitions 0/35 dead transitions. [2021-03-26 10:20:42,020 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 32 places, 35 transitions, 148 flow [2021-03-26 10:20:42,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-26 10:20:42,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-03-26 10:20:42,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 623 transitions. [2021-03-26 10:20:42,022 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6831140350877193 [2021-03-26 10:20:42,022 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 623 transitions. [2021-03-26 10:20:42,022 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 623 transitions. [2021-03-26 10:20:42,022 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 10:20:42,022 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 623 transitions. [2021-03-26 10:20:42,023 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 103.83333333333333) internal successors, (623), 6 states have internal predecessors, (623), 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 10:20:42,025 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 152.0) internal successors, (1064), 7 states have internal predecessors, (1064), 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 10:20:42,025 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 152.0) internal successors, (1064), 7 states have internal predecessors, (1064), 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 10:20:42,025 INFO L185 Difference]: Start difference. First operand has 27 places, 18 transitions, 52 flow. Second operand 6 states and 623 transitions. [2021-03-26 10:20:42,025 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 32 places, 35 transitions, 148 flow [2021-03-26 10:20:42,027 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 29 places, 35 transitions, 134 flow, removed 1 selfloop flow, removed 3 redundant places. [2021-03-26 10:20:42,027 INFO L241 Difference]: Finished difference. Result has 31 places, 34 transitions, 144 flow [2021-03-26 10:20:42,028 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=152, PETRI_DIFFERENCE_MINUEND_FLOW=44, PETRI_DIFFERENCE_MINUEND_PLACES=24, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=18, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=10, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=144, PETRI_PLACES=31, PETRI_TRANSITIONS=34} [2021-03-26 10:20:42,028 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, -7 predicate places. [2021-03-26 10:20:42,028 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 10:20:42,028 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 31 places, 34 transitions, 144 flow [2021-03-26 10:20:42,028 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 31 places, 34 transitions, 144 flow [2021-03-26 10:20:42,029 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 31 places, 34 transitions, 144 flow [2021-03-26 10:20:42,043 INFO L129 PetriNetUnfolder]: 27/93 cut-off events. [2021-03-26 10:20:42,043 INFO L130 PetriNetUnfolder]: For 15/15 co-relation queries the response was YES. [2021-03-26 10:20:42,045 INFO L84 FinitePrefix]: Finished finitePrefix Result has 202 conditions, 93 events. 27/93 cut-off events. For 15/15 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 371 event pairs, 3 based on Foata normal form. 0/91 useless extension candidates. Maximal degree in co-relation 192. Up to 35 conditions per place. [2021-03-26 10:20:42,046 INFO L142 LiptonReduction]: Number of co-enabled transitions 148 [2021-03-26 10:20:42,469 WARN L205 SmtUtils]: Spent 421.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 152 [2021-03-26 10:20:43,442 WARN L205 SmtUtils]: Spent 872.00 ms on a formula simplification. DAG size of input: 324 DAG size of output: 218 [2021-03-26 10:20:43,679 WARN L205 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2021-03-26 10:20:43,685 INFO L154 LiptonReduction]: Checked pairs total: 364 [2021-03-26 10:20:43,685 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 10:20:43,685 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1657 [2021-03-26 10:20:43,685 INFO L480 AbstractCegarLoop]: Abstraction has has 31 places, 34 transitions, 144 flow [2021-03-26 10:20:43,686 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 99.85714285714286) internal successors, (699), 7 states have internal predecessors, (699), 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 10:20:43,686 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 10:20:43,686 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 10:20:43,686 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-03-26 10:20:43,686 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 10:20:43,686 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 10:20:43,686 INFO L82 PathProgramCache]: Analyzing trace with hash 1613035223, now seen corresponding path program 2 times [2021-03-26 10:20:43,686 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 10:20:43,687 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [226510546] [2021-03-26 10:20:43,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 10:20:43,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 10:20:43,807 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:20:43,808 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 10:20:43,820 INFO L142 QuantifierPusher]: treesize reduction 10, result has 84.4 percent of original size [2021-03-26 10:20:43,821 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-03-26 10:20:43,841 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:20:43,843 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 10:20:43,857 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:20:43,858 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 10:20:43,872 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:20:43,872 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 10:20:43,886 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:20:43,887 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 10:20:43,900 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 10:20:43,901 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [226510546] [2021-03-26 10:20:43,901 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 10:20:43,901 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-26 10:20:43,901 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1687952484] [2021-03-26 10:20:43,902 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 10:20:43,902 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 10:20:43,902 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 10:20:43,902 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-26 10:20:43,904 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 87 out of 153 [2021-03-26 10:20:43,904 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 31 places, 34 transitions, 144 flow. Second operand has 8 states, 8 states have (on average 87.875) internal successors, (703), 8 states have internal predecessors, (703), 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 10:20:43,904 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 10:20:43,904 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 87 of 153 [2021-03-26 10:20:43,905 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 10:20:44,081 INFO L129 PetriNetUnfolder]: 145/276 cut-off events. [2021-03-26 10:20:44,081 INFO L130 PetriNetUnfolder]: For 142/150 co-relation queries the response was YES. [2021-03-26 10:20:44,082 INFO L84 FinitePrefix]: Finished finitePrefix Result has 784 conditions, 276 events. 145/276 cut-off events. For 142/150 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 1070 event pairs, 33 based on Foata normal form. 5/281 useless extension candidates. Maximal degree in co-relation 772. Up to 237 conditions per place. [2021-03-26 10:20:44,083 INFO L132 encePairwiseOnDemand]: 145/153 looper letters, 24 selfloop transitions, 18 changer transitions 0/47 dead transitions. [2021-03-26 10:20:44,083 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 36 places, 47 transitions, 279 flow [2021-03-26 10:20:44,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-26 10:20:44,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-03-26 10:20:44,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 553 transitions. [2021-03-26 10:20:44,085 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6023965141612201 [2021-03-26 10:20:44,085 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 553 transitions. [2021-03-26 10:20:44,085 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 553 transitions. [2021-03-26 10:20:44,086 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 10:20:44,086 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 553 transitions. [2021-03-26 10:20:44,088 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 92.16666666666667) internal successors, (553), 6 states have internal predecessors, (553), 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 10:20:44,089 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 153.0) internal successors, (1071), 7 states have internal predecessors, (1071), 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 10:20:44,089 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 153.0) internal successors, (1071), 7 states have internal predecessors, (1071), 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 10:20:44,089 INFO L185 Difference]: Start difference. First operand has 31 places, 34 transitions, 144 flow. Second operand 6 states and 553 transitions. [2021-03-26 10:20:44,089 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 36 places, 47 transitions, 279 flow [2021-03-26 10:20:44,091 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 36 places, 47 transitions, 279 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-03-26 10:20:44,092 INFO L241 Difference]: Finished difference. Result has 38 places, 42 transitions, 242 flow [2021-03-26 10:20:44,093 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=153, PETRI_DIFFERENCE_MINUEND_FLOW=144, PETRI_DIFFERENCE_MINUEND_PLACES=31, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=34, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=12, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=20, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=242, PETRI_PLACES=38, PETRI_TRANSITIONS=42} [2021-03-26 10:20:44,093 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 0 predicate places. [2021-03-26 10:20:44,093 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 10:20:44,093 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 38 places, 42 transitions, 242 flow [2021-03-26 10:20:44,093 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 38 places, 42 transitions, 242 flow [2021-03-26 10:20:44,093 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 38 places, 42 transitions, 242 flow [2021-03-26 10:20:44,105 INFO L129 PetriNetUnfolder]: 27/102 cut-off events. [2021-03-26 10:20:44,105 INFO L130 PetriNetUnfolder]: For 63/63 co-relation queries the response was YES. [2021-03-26 10:20:44,105 INFO L84 FinitePrefix]: Finished finitePrefix Result has 272 conditions, 102 events. 27/102 cut-off events. For 63/63 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 406 event pairs, 2 based on Foata normal form. 0/101 useless extension candidates. Maximal degree in co-relation 258. Up to 37 conditions per place. [2021-03-26 10:20:44,107 INFO L142 LiptonReduction]: Number of co-enabled transitions 146 [2021-03-26 10:20:44,112 INFO L154 LiptonReduction]: Checked pairs total: 167 [2021-03-26 10:20:44,112 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 10:20:44,112 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 19 [2021-03-26 10:20:44,115 INFO L480 AbstractCegarLoop]: Abstraction has has 38 places, 42 transitions, 242 flow [2021-03-26 10:20:44,115 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 87.875) internal successors, (703), 8 states have internal predecessors, (703), 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 10:20:44,115 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 10:20:44,115 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 10:20:44,115 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-03-26 10:20:44,116 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 10:20:44,116 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 10:20:44,116 INFO L82 PathProgramCache]: Analyzing trace with hash -983018582, now seen corresponding path program 1 times [2021-03-26 10:20:44,116 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 10:20:44,117 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [928558449] [2021-03-26 10:20:44,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 10:20:44,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 10:20:44,232 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:20:44,232 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:20:44,237 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:20:44,237 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 10:20:44,242 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:20:44,243 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 10:20:44,243 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 10:20:44,243 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [928558449] [2021-03-26 10:20:44,243 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 10:20:44,243 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-26 10:20:44,244 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1173837406] [2021-03-26 10:20:44,244 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-26 10:20:44,244 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 10:20:44,245 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-26 10:20:44,245 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-26 10:20:44,245 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 128 out of 153 [2021-03-26 10:20:44,247 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 38 places, 42 transitions, 242 flow. Second operand has 4 states, 4 states have (on average 128.75) internal successors, (515), 4 states have internal predecessors, (515), 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 10:20:44,248 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 10:20:44,248 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 128 of 153 [2021-03-26 10:20:44,248 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 10:20:44,298 INFO L129 PetriNetUnfolder]: 19/74 cut-off events. [2021-03-26 10:20:44,298 INFO L130 PetriNetUnfolder]: For 72/83 co-relation queries the response was YES. [2021-03-26 10:20:44,299 INFO L84 FinitePrefix]: Finished finitePrefix Result has 208 conditions, 74 events. 19/74 cut-off events. For 72/83 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 244 event pairs, 7 based on Foata normal form. 28/100 useless extension candidates. Maximal degree in co-relation 192. Up to 26 conditions per place. [2021-03-26 10:20:44,299 INFO L132 encePairwiseOnDemand]: 148/153 looper letters, 5 selfloop transitions, 6 changer transitions 2/37 dead transitions. [2021-03-26 10:20:44,299 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 42 places, 37 transitions, 197 flow [2021-03-26 10:20:44,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-26 10:20:44,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-26 10:20:44,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 654 transitions. [2021-03-26 10:20:44,301 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8549019607843137 [2021-03-26 10:20:44,301 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 654 transitions. [2021-03-26 10:20:44,301 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 654 transitions. [2021-03-26 10:20:44,301 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 10:20:44,302 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 654 transitions. [2021-03-26 10:20:44,303 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 130.8) internal successors, (654), 5 states have internal predecessors, (654), 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 10:20:44,304 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 153.0) internal successors, (918), 6 states have internal predecessors, (918), 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 10:20:44,304 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 153.0) internal successors, (918), 6 states have internal predecessors, (918), 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 10:20:44,304 INFO L185 Difference]: Start difference. First operand has 38 places, 42 transitions, 242 flow. Second operand 5 states and 654 transitions. [2021-03-26 10:20:44,304 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 42 places, 37 transitions, 197 flow [2021-03-26 10:20:44,305 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 37 places, 37 transitions, 169 flow, removed 4 selfloop flow, removed 5 redundant places. [2021-03-26 10:20:44,320 INFO L241 Difference]: Finished difference. Result has 40 places, 35 transitions, 174 flow [2021-03-26 10:20:44,320 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=153, PETRI_DIFFERENCE_MINUEND_FLOW=129, PETRI_DIFFERENCE_MINUEND_PLACES=33, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=30, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=26, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=174, PETRI_PLACES=40, PETRI_TRANSITIONS=35} [2021-03-26 10:20:44,320 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 2 predicate places. [2021-03-26 10:20:44,320 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 10:20:44,321 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 40 places, 35 transitions, 174 flow [2021-03-26 10:20:44,321 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 40 places, 35 transitions, 174 flow [2021-03-26 10:20:44,321 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 40 places, 35 transitions, 174 flow [2021-03-26 10:20:44,335 INFO L129 PetriNetUnfolder]: 13/75 cut-off events. [2021-03-26 10:20:44,336 INFO L130 PetriNetUnfolder]: For 47/52 co-relation queries the response was YES. [2021-03-26 10:20:44,336 INFO L84 FinitePrefix]: Finished finitePrefix Result has 204 conditions, 75 events. 13/75 cut-off events. For 47/52 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 279 event pairs, 3 based on Foata normal form. 5/78 useless extension candidates. Maximal degree in co-relation 188. Up to 22 conditions per place. [2021-03-26 10:20:44,336 INFO L142 LiptonReduction]: Number of co-enabled transitions 168 [2021-03-26 10:20:45,349 WARN L205 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 324 DAG size of output: 262 [2021-03-26 10:20:46,047 WARN L205 SmtUtils]: Spent 694.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 239 [2021-03-26 10:20:48,302 WARN L205 SmtUtils]: Spent 2.25 s on a formula simplification. DAG size of input: 472 DAG size of output: 393 [2021-03-26 10:20:49,172 WARN L205 SmtUtils]: Spent 866.00 ms on a formula simplification that was a NOOP. DAG size: 377 [2021-03-26 10:20:50,590 WARN L205 SmtUtils]: Spent 1.41 s on a formula simplification. DAG size of input: 309 DAG size of output: 260 [2021-03-26 10:20:51,003 WARN L205 SmtUtils]: Spent 410.00 ms on a formula simplification that was a NOOP. DAG size: 254 [2021-03-26 10:20:54,940 WARN L205 SmtUtils]: Spent 3.93 s on a formula simplification. DAG size of input: 471 DAG size of output: 425 [2021-03-26 10:20:56,052 WARN L205 SmtUtils]: Spent 1.11 s on a formula simplification that was a NOOP. DAG size: 417 [2021-03-26 10:20:56,059 INFO L154 LiptonReduction]: Checked pairs total: 299 [2021-03-26 10:20:56,059 INFO L156 LiptonReduction]: Total number of compositions: 2 [2021-03-26 10:20:56,060 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 11740 [2021-03-26 10:20:56,060 INFO L480 AbstractCegarLoop]: Abstraction has has 40 places, 35 transitions, 179 flow [2021-03-26 10:20:56,061 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 128.75) internal successors, (515), 4 states have internal predecessors, (515), 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 10:20:56,061 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 10:20:56,061 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 10:20:56,061 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-03-26 10:20:56,062 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 10:20:56,062 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 10:20:56,062 INFO L82 PathProgramCache]: Analyzing trace with hash -1051636432, now seen corresponding path program 1 times [2021-03-26 10:20:56,062 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 10:20:56,063 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1825594887] [2021-03-26 10:20:56,063 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 10:20:56,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 10:20:56,169 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:20:56,170 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 10:20:56,181 INFO L142 QuantifierPusher]: treesize reduction 19, result has 77.9 percent of original size [2021-03-26 10:20:56,184 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 67 [2021-03-26 10:20:56,260 INFO L142 QuantifierPusher]: treesize reduction 85, result has 76.5 percent of original size [2021-03-26 10:20:56,266 INFO L147 QuantifierPusher]: treesize reduction 5, result has 98.2 percent of original size 271 [2021-03-26 10:20:56,390 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 43 [2021-03-26 10:20:56,393 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:20:56,394 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-03-26 10:20:56,485 INFO L142 QuantifierPusher]: treesize reduction 18, result has 80.0 percent of original size [2021-03-26 10:20:56,486 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 72 [2021-03-26 10:20:56,525 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 10:20:56,525 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1825594887] [2021-03-26 10:20:56,526 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 10:20:56,526 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-03-26 10:20:56,526 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1742963300] [2021-03-26 10:20:56,526 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 10:20:56,526 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 10:20:56,527 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 10:20:56,527 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-03-26 10:20:56,528 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 97 out of 155 [2021-03-26 10:20:56,529 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 40 places, 35 transitions, 179 flow. Second operand has 7 states, 7 states have (on average 97.85714285714286) internal successors, (685), 7 states have internal predecessors, (685), 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 10:20:56,529 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 10:20:56,529 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 97 of 155 [2021-03-26 10:20:56,529 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 10:20:56,716 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 42 [2021-03-26 10:20:56,924 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 42 [2021-03-26 10:20:57,135 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 39 [2021-03-26 10:20:57,199 INFO L129 PetriNetUnfolder]: 23/87 cut-off events. [2021-03-26 10:20:57,199 INFO L130 PetriNetUnfolder]: For 164/199 co-relation queries the response was YES. [2021-03-26 10:20:57,200 INFO L84 FinitePrefix]: Finished finitePrefix Result has 295 conditions, 87 events. 23/87 cut-off events. For 164/199 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 337 event pairs, 6 based on Foata normal form. 27/114 useless extension candidates. Maximal degree in co-relation 277. Up to 50 conditions per place. [2021-03-26 10:20:57,200 INFO L132 encePairwiseOnDemand]: 147/155 looper letters, 9 selfloop transitions, 13 changer transitions 1/35 dead transitions. [2021-03-26 10:20:57,200 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 46 places, 35 transitions, 223 flow [2021-03-26 10:20:57,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 10:20:57,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 10:20:57,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 700 transitions. [2021-03-26 10:20:57,202 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6451612903225806 [2021-03-26 10:20:57,203 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 700 transitions. [2021-03-26 10:20:57,203 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 700 transitions. [2021-03-26 10:20:57,203 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 10:20:57,203 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 700 transitions. [2021-03-26 10:20:57,204 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 100.0) internal successors, (700), 7 states have internal predecessors, (700), 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 10:20:57,205 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 155.0) internal successors, (1240), 8 states have internal predecessors, (1240), 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 10:20:57,205 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 155.0) internal successors, (1240), 8 states have internal predecessors, (1240), 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 10:20:57,205 INFO L185 Difference]: Start difference. First operand has 40 places, 35 transitions, 179 flow. Second operand 7 states and 700 transitions. [2021-03-26 10:20:57,205 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 46 places, 35 transitions, 223 flow [2021-03-26 10:20:57,206 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 46 places, 35 transitions, 217 flow, removed 3 selfloop flow, removed 0 redundant places. [2021-03-26 10:20:57,207 INFO L241 Difference]: Finished difference. Result has 47 places, 34 transitions, 198 flow [2021-03-26 10:20:57,207 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=155, PETRI_DIFFERENCE_MINUEND_FLOW=173, PETRI_DIFFERENCE_MINUEND_PLACES=40, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=35, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=22, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=198, PETRI_PLACES=47, PETRI_TRANSITIONS=34} [2021-03-26 10:20:57,207 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 9 predicate places. [2021-03-26 10:20:57,207 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 10:20:57,207 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 47 places, 34 transitions, 198 flow [2021-03-26 10:20:57,207 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 47 places, 34 transitions, 198 flow [2021-03-26 10:20:57,208 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 47 places, 34 transitions, 198 flow [2021-03-26 10:20:57,215 INFO L129 PetriNetUnfolder]: 13/75 cut-off events. [2021-03-26 10:20:57,215 INFO L130 PetriNetUnfolder]: For 73/79 co-relation queries the response was YES. [2021-03-26 10:20:57,215 INFO L84 FinitePrefix]: Finished finitePrefix Result has 219 conditions, 75 events. 13/75 cut-off events. For 73/79 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 293 event pairs, 1 based on Foata normal form. 5/79 useless extension candidates. Maximal degree in co-relation 200. Up to 22 conditions per place. [2021-03-26 10:20:57,215 INFO L142 LiptonReduction]: Number of co-enabled transitions 158 [2021-03-26 10:20:57,430 WARN L205 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 63 [2021-03-26 10:20:57,857 WARN L205 SmtUtils]: Spent 357.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 86 [2021-03-26 10:20:57,983 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-03-26 10:20:57,988 INFO L154 LiptonReduction]: Checked pairs total: 260 [2021-03-26 10:20:57,989 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 10:20:57,989 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 782 [2021-03-26 10:20:57,989 INFO L480 AbstractCegarLoop]: Abstraction has has 47 places, 34 transitions, 199 flow [2021-03-26 10:20:57,990 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 97.85714285714286) internal successors, (685), 7 states have internal predecessors, (685), 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 10:20:57,990 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 10:20:57,990 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 10:20:57,990 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-03-26 10:20:57,990 INFO L428 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 10:20:57,991 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 10:20:57,991 INFO L82 PathProgramCache]: Analyzing trace with hash -361405094, now seen corresponding path program 1 times [2021-03-26 10:20:57,991 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 10:20:57,991 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1709315096] [2021-03-26 10:20:57,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 10:20:58,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 10:20:58,080 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:20:58,080 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:20:58,084 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:20:58,085 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:20:58,089 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:20:58,090 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 10:20:58,097 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:20:58,097 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 10:20:58,098 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 10:20:58,098 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1709315096] [2021-03-26 10:20:58,098 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 10:20:58,098 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-26 10:20:58,098 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [585375603] [2021-03-26 10:20:58,099 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-26 10:20:58,099 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 10:20:58,100 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-26 10:20:58,100 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-03-26 10:20:58,101 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 131 out of 156 [2021-03-26 10:20:58,102 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 47 places, 34 transitions, 199 flow. Second operand has 5 states, 5 states have (on average 131.8) internal successors, (659), 5 states have internal predecessors, (659), 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 10:20:58,102 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 10:20:58,102 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 131 of 156 [2021-03-26 10:20:58,102 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 10:20:58,159 INFO L129 PetriNetUnfolder]: 9/51 cut-off events. [2021-03-26 10:20:58,159 INFO L130 PetriNetUnfolder]: For 82/113 co-relation queries the response was YES. [2021-03-26 10:20:58,159 INFO L84 FinitePrefix]: Finished finitePrefix Result has 167 conditions, 51 events. 9/51 cut-off events. For 82/113 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 139 event pairs, 0 based on Foata normal form. 36/86 useless extension candidates. Maximal degree in co-relation 146. Up to 12 conditions per place. [2021-03-26 10:20:58,160 INFO L132 encePairwiseOnDemand]: 151/156 looper letters, 2 selfloop transitions, 8 changer transitions 2/35 dead transitions. [2021-03-26 10:20:58,160 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 53 places, 35 transitions, 219 flow [2021-03-26 10:20:58,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 10:20:58,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 10:20:58,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 931 transitions. [2021-03-26 10:20:58,163 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8525641025641025 [2021-03-26 10:20:58,163 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 931 transitions. [2021-03-26 10:20:58,164 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 931 transitions. [2021-03-26 10:20:58,164 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 10:20:58,164 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 931 transitions. [2021-03-26 10:20:58,166 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 133.0) internal successors, (931), 7 states have internal predecessors, (931), 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 10:20:58,168 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 156.0) internal successors, (1248), 8 states have internal predecessors, (1248), 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 10:20:58,168 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 156.0) internal successors, (1248), 8 states have internal predecessors, (1248), 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 10:20:58,169 INFO L185 Difference]: Start difference. First operand has 47 places, 34 transitions, 199 flow. Second operand 7 states and 931 transitions. [2021-03-26 10:20:58,169 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 53 places, 35 transitions, 219 flow [2021-03-26 10:20:58,171 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 46 places, 35 transitions, 179 flow, removed 5 selfloop flow, removed 7 redundant places. [2021-03-26 10:20:58,173 INFO L241 Difference]: Finished difference. Result has 49 places, 33 transitions, 176 flow [2021-03-26 10:20:58,174 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=156, PETRI_DIFFERENCE_MINUEND_FLOW=143, PETRI_DIFFERENCE_MINUEND_PLACES=40, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=32, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=24, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=176, PETRI_PLACES=49, PETRI_TRANSITIONS=33} [2021-03-26 10:20:58,174 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 11 predicate places. [2021-03-26 10:20:58,174 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 10:20:58,174 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 49 places, 33 transitions, 176 flow [2021-03-26 10:20:58,174 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 49 places, 33 transitions, 176 flow [2021-03-26 10:20:58,175 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 48 places, 33 transitions, 176 flow [2021-03-26 10:20:58,182 INFO L129 PetriNetUnfolder]: 8/54 cut-off events. [2021-03-26 10:20:58,183 INFO L130 PetriNetUnfolder]: For 70/76 co-relation queries the response was YES. [2021-03-26 10:20:58,183 INFO L84 FinitePrefix]: Finished finitePrefix Result has 160 conditions, 54 events. 8/54 cut-off events. For 70/76 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 157 event pairs, 0 based on Foata normal form. 5/59 useless extension candidates. Maximal degree in co-relation 140. Up to 13 conditions per place. [2021-03-26 10:20:58,183 INFO L142 LiptonReduction]: Number of co-enabled transitions 132 [2021-03-26 10:20:58,949 WARN L205 SmtUtils]: Spent 762.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 184 [2021-03-26 10:20:59,305 WARN L205 SmtUtils]: Spent 355.00 ms on a formula simplification that was a NOOP. DAG size: 168 [2021-03-26 10:21:01,073 WARN L205 SmtUtils]: Spent 1.76 s on a formula simplification. DAG size of input: 339 DAG size of output: 260 [2021-03-26 10:21:01,566 WARN L205 SmtUtils]: Spent 491.00 ms on a formula simplification that was a NOOP. DAG size: 242 [2021-03-26 10:21:01,819 WARN L205 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 177 [2021-03-26 10:21:02,064 WARN L205 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 177 [2021-03-26 10:21:02,604 WARN L205 SmtUtils]: Spent 538.00 ms on a formula simplification that was a NOOP. DAG size: 251 [2021-03-26 10:21:03,162 WARN L205 SmtUtils]: Spent 556.00 ms on a formula simplification that was a NOOP. DAG size: 251 [2021-03-26 10:21:03,171 INFO L154 LiptonReduction]: Checked pairs total: 339 [2021-03-26 10:21:03,171 INFO L156 LiptonReduction]: Total number of compositions: 4 [2021-03-26 10:21:03,171 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 4997 [2021-03-26 10:21:03,172 INFO L480 AbstractCegarLoop]: Abstraction has has 46 places, 29 transitions, 156 flow [2021-03-26 10:21:03,172 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 131.8) internal successors, (659), 5 states have internal predecessors, (659), 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 10:21:03,172 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 10:21:03,172 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 10:21:03,172 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-03-26 10:21:03,172 INFO L428 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 10:21:03,172 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 10:21:03,173 INFO L82 PathProgramCache]: Analyzing trace with hash 641987738, now seen corresponding path program 1 times [2021-03-26 10:21:03,173 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 10:21:03,173 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [165596563] [2021-03-26 10:21:03,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 10:21:03,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 10:21:03,249 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:21:03,250 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 10:21:03,250 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:21:03,251 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:21:03,253 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:21:03,253 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:21:03,258 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 10:21:03,258 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [165596563] [2021-03-26 10:21:03,258 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 10:21:03,258 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-26 10:21:03,258 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1982989608] [2021-03-26 10:21:03,258 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-26 10:21:03,258 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 10:21:03,259 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-26 10:21:03,259 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-26 10:21:03,259 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 130 out of 158 [2021-03-26 10:21:03,260 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 46 places, 29 transitions, 156 flow. Second operand 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 10:21:03,260 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 10:21:03,260 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 130 of 158 [2021-03-26 10:21:03,260 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 10:21:03,282 INFO L129 PetriNetUnfolder]: 9/50 cut-off events. [2021-03-26 10:21:03,282 INFO L130 PetriNetUnfolder]: For 219/224 co-relation queries the response was YES. [2021-03-26 10:21:03,282 INFO L84 FinitePrefix]: Finished finitePrefix Result has 150 conditions, 50 events. 9/50 cut-off events. For 219/224 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 132 event pairs, 0 based on Foata normal form. 6/55 useless extension candidates. Maximal degree in co-relation 128. Up to 15 conditions per place. [2021-03-26 10:21:03,282 INFO L132 encePairwiseOnDemand]: 155/158 looper letters, 3 selfloop transitions, 1 changer transitions 12/29 dead transitions. [2021-03-26 10:21:03,283 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 45 places, 29 transitions, 159 flow [2021-03-26 10:21:03,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-26 10:21:03,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-03-26 10:21:03,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 526 transitions. [2021-03-26 10:21:03,284 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8322784810126582 [2021-03-26 10:21:03,284 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 526 transitions. [2021-03-26 10:21:03,284 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 526 transitions. [2021-03-26 10:21:03,284 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 10:21:03,284 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 526 transitions. [2021-03-26 10:21:03,285 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 131.5) internal successors, (526), 4 states have internal predecessors, (526), 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 10:21:03,287 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 158.0) internal successors, (790), 5 states have internal predecessors, (790), 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 10:21:03,287 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 158.0) internal successors, (790), 5 states have internal predecessors, (790), 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 10:21:03,287 INFO L185 Difference]: Start difference. First operand has 46 places, 29 transitions, 156 flow. Second operand 4 states and 526 transitions. [2021-03-26 10:21:03,287 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 45 places, 29 transitions, 159 flow [2021-03-26 10:21:03,288 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 37 places, 29 transitions, 134 flow, removed 7 selfloop flow, removed 8 redundant places. [2021-03-26 10:21:03,289 INFO L241 Difference]: Finished difference. Result has 39 places, 17 transitions, 79 flow [2021-03-26 10:21:03,290 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=158, PETRI_DIFFERENCE_MINUEND_FLOW=122, PETRI_DIFFERENCE_MINUEND_PLACES=34, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=28, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=27, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=79, PETRI_PLACES=39, PETRI_TRANSITIONS=17} [2021-03-26 10:21:03,290 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 1 predicate places. [2021-03-26 10:21:03,290 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 10:21:03,290 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 39 places, 17 transitions, 79 flow [2021-03-26 10:21:03,290 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 39 places, 17 transitions, 79 flow [2021-03-26 10:21:03,290 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 32 places, 17 transitions, 79 flow [2021-03-26 10:21:03,294 INFO L129 PetriNetUnfolder]: 1/23 cut-off events. [2021-03-26 10:21:03,294 INFO L130 PetriNetUnfolder]: For 28/31 co-relation queries the response was YES. [2021-03-26 10:21:03,294 INFO L84 FinitePrefix]: Finished finitePrefix Result has 64 conditions, 23 events. 1/23 cut-off events. For 28/31 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 21 event pairs, 0 based on Foata normal form. 3/25 useless extension candidates. Maximal degree in co-relation 50. Up to 9 conditions per place. [2021-03-26 10:21:03,294 INFO L142 LiptonReduction]: Number of co-enabled transitions 40 [2021-03-26 10:21:03,791 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2021-03-26 10:21:03,939 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2021-03-26 10:21:03,984 INFO L154 LiptonReduction]: Checked pairs total: 55 [2021-03-26 10:21:03,985 INFO L156 LiptonReduction]: Total number of compositions: 2 [2021-03-26 10:21:03,985 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 695 [2021-03-26 10:21:03,986 INFO L480 AbstractCegarLoop]: Abstraction has has 30 places, 15 transitions, 75 flow [2021-03-26 10:21:03,986 INFO L481 AbstractCegarLoop]: Interpolant automaton has 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 10:21:03,987 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 10:21:03,987 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 10:21:03,987 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-03-26 10:21:03,987 INFO L428 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 10:21:03,988 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 10:21:03,988 INFO L82 PathProgramCache]: Analyzing trace with hash 2073776063, now seen corresponding path program 1 times [2021-03-26 10:21:03,988 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 10:21:03,988 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [696289929] [2021-03-26 10:21:03,989 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 10:21:04,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 10:21:04,101 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:21:04,102 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 10:21:04,109 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:21:04,110 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-26 10:21:04,117 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:21:04,118 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-26 10:21:04,124 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:21:04,125 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 10:21:04,140 INFO L142 QuantifierPusher]: treesize reduction 10, result has 73.7 percent of original size [2021-03-26 10:21:04,142 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-26 10:21:04,166 INFO L142 QuantifierPusher]: treesize reduction 14, result has 77.8 percent of original size [2021-03-26 10:21:04,167 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-26 10:21:04,228 INFO L142 QuantifierPusher]: treesize reduction 3, result has 86.4 percent of original size [2021-03-26 10:21:04,229 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 10:21:04,242 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 10:21:04,242 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [696289929] [2021-03-26 10:21:04,243 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 10:21:04,243 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 10:21:04,243 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [168114297] [2021-03-26 10:21:04,244 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 10:21:04,244 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 10:21:04,244 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 10:21:04,244 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2021-03-26 10:21:04,246 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 99 out of 160 [2021-03-26 10:21:04,246 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 30 places, 15 transitions, 75 flow. Second operand has 9 states, 9 states have (on average 99.88888888888889) internal successors, (899), 9 states have internal predecessors, (899), 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 10:21:04,247 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 10:21:04,247 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 99 of 160 [2021-03-26 10:21:04,247 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 10:21:04,425 INFO L129 PetriNetUnfolder]: 5/31 cut-off events. [2021-03-26 10:21:04,426 INFO L130 PetriNetUnfolder]: For 87/96 co-relation queries the response was YES. [2021-03-26 10:21:04,426 INFO L84 FinitePrefix]: Finished finitePrefix Result has 102 conditions, 31 events. 5/31 cut-off events. For 87/96 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 50 event pairs, 0 based on Foata normal form. 9/40 useless extension candidates. Maximal degree in co-relation 86. Up to 11 conditions per place. [2021-03-26 10:21:04,426 INFO L132 encePairwiseOnDemand]: 152/160 looper letters, 3 selfloop transitions, 11 changer transitions 1/22 dead transitions. [2021-03-26 10:21:04,427 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 39 places, 22 transitions, 127 flow [2021-03-26 10:21:04,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-26 10:21:04,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-03-26 10:21:04,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1006 transitions. [2021-03-26 10:21:04,430 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.62875 [2021-03-26 10:21:04,430 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 1006 transitions. [2021-03-26 10:21:04,431 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 1006 transitions. [2021-03-26 10:21:04,431 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 10:21:04,431 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 1006 transitions. [2021-03-26 10:21:04,433 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 100.6) internal successors, (1006), 10 states have internal predecessors, (1006), 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 10:21:04,435 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 160.0) internal successors, (1760), 11 states have internal predecessors, (1760), 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 10:21:04,435 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 160.0) internal successors, (1760), 11 states have internal predecessors, (1760), 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 10:21:04,436 INFO L185 Difference]: Start difference. First operand has 30 places, 15 transitions, 75 flow. Second operand 10 states and 1006 transitions. [2021-03-26 10:21:04,436 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 39 places, 22 transitions, 127 flow [2021-03-26 10:21:04,436 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 34 places, 22 transitions, 104 flow, removed 10 selfloop flow, removed 5 redundant places. [2021-03-26 10:21:04,437 INFO L241 Difference]: Finished difference. Result has 37 places, 21 transitions, 109 flow [2021-03-26 10:21:04,437 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=160, PETRI_DIFFERENCE_MINUEND_FLOW=60, PETRI_DIFFERENCE_MINUEND_PLACES=25, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=15, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=7, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=109, PETRI_PLACES=37, PETRI_TRANSITIONS=21} [2021-03-26 10:21:04,438 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, -1 predicate places. [2021-03-26 10:21:04,438 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 10:21:04,438 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 37 places, 21 transitions, 109 flow [2021-03-26 10:21:04,439 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 37 places, 21 transitions, 109 flow [2021-03-26 10:21:04,439 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 37 places, 21 transitions, 109 flow [2021-03-26 10:21:04,443 INFO L129 PetriNetUnfolder]: 4/23 cut-off events. [2021-03-26 10:21:04,443 INFO L130 PetriNetUnfolder]: For 16/16 co-relation queries the response was YES. [2021-03-26 10:21:04,443 INFO L84 FinitePrefix]: Finished finitePrefix Result has 73 conditions, 23 events. 4/23 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 24 event pairs, 0 based on Foata normal form. 0/23 useless extension candidates. Maximal degree in co-relation 58. Up to 6 conditions per place. [2021-03-26 10:21:04,444 INFO L142 LiptonReduction]: Number of co-enabled transitions 12 [2021-03-26 10:21:06,399 WARN L205 SmtUtils]: Spent 1.95 s on a formula simplification. DAG size of input: 396 DAG size of output: 325 [2021-03-26 10:21:07,273 WARN L205 SmtUtils]: Spent 870.00 ms on a formula simplification that was a NOOP. DAG size: 310 [2021-03-26 10:21:11,714 WARN L205 SmtUtils]: Spent 4.44 s on a formula simplification. DAG size of input: 564 DAG size of output: 484 [2021-03-26 10:21:13,705 WARN L205 SmtUtils]: Spent 1.99 s on a formula simplification that was a NOOP. DAG size: 468 [2021-03-26 10:21:16,741 WARN L205 SmtUtils]: Spent 3.03 s on a formula simplification. DAG size of input: 377 DAG size of output: 352 [2021-03-26 10:21:18,391 WARN L205 SmtUtils]: Spent 1.65 s on a formula simplification that was a NOOP. DAG size: 347 [2021-03-26 10:21:26,066 WARN L205 SmtUtils]: Spent 7.67 s on a formula simplification. DAG size of input: 559 DAG size of output: 533 [2021-03-26 10:21:31,151 WARN L205 SmtUtils]: Spent 5.08 s on a formula simplification that was a NOOP. DAG size: 527 [2021-03-26 10:21:31,957 WARN L205 SmtUtils]: Spent 801.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 160 [2021-03-26 10:21:32,222 WARN L205 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2021-03-26 10:21:33,940 WARN L205 SmtUtils]: Spent 1.72 s on a formula simplification. DAG size of input: 329 DAG size of output: 227 [2021-03-26 10:21:34,467 WARN L205 SmtUtils]: Spent 524.00 ms on a formula simplification that was a NOOP. DAG size: 199 [2021-03-26 10:21:38,324 WARN L205 SmtUtils]: Spent 3.85 s on a formula simplification. DAG size of input: 396 DAG size of output: 325 [2021-03-26 10:21:40,049 WARN L205 SmtUtils]: Spent 1.72 s on a formula simplification that was a NOOP. DAG size: 310 [2021-03-26 10:21:54,303 WARN L205 SmtUtils]: Spent 14.25 s on a formula simplification. DAG size of input: 564 DAG size of output: 483 [2021-03-26 10:21:57,835 WARN L205 SmtUtils]: Spent 3.53 s on a formula simplification that was a NOOP. DAG size: 467 [2021-03-26 10:22:00,994 WARN L205 SmtUtils]: Spent 3.15 s on a formula simplification. DAG size of input: 343 DAG size of output: 282 [2021-03-26 10:22:02,067 WARN L205 SmtUtils]: Spent 1.07 s on a formula simplification that was a NOOP. DAG size: 256 [2021-03-26 10:22:11,958 WARN L205 SmtUtils]: Spent 9.89 s on a formula simplification. DAG size of input: 504 DAG size of output: 412 [2021-03-26 10:22:14,830 WARN L205 SmtUtils]: Spent 2.82 s on a formula simplification that was a NOOP. DAG size: 385 [2021-03-26 10:22:20,335 WARN L205 SmtUtils]: Spent 5.50 s on a formula simplification. DAG size of input: 269 DAG size of output: 210 [2021-03-26 10:22:22,024 WARN L205 SmtUtils]: Spent 1.65 s on a formula simplification that was a NOOP. DAG size: 203 [2021-03-26 10:22:28,942 WARN L205 SmtUtils]: Spent 6.91 s on a formula simplification. DAG size of input: 377 DAG size of output: 313 [2021-03-26 10:22:32,707 WARN L205 SmtUtils]: Spent 3.76 s on a formula simplification that was a NOOP. DAG size: 305 [2021-03-26 10:22:32,712 INFO L154 LiptonReduction]: Checked pairs total: 2 [2021-03-26 10:22:32,715 INFO L156 LiptonReduction]: Total number of compositions: 6 [2021-03-26 10:22:32,716 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 88278 [2021-03-26 10:22:32,717 INFO L480 AbstractCegarLoop]: Abstraction has has 37 places, 21 transitions, 129 flow [2021-03-26 10:22:32,719 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 99.88888888888889) internal successors, (899), 9 states have internal predecessors, (899), 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 10:22:32,719 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 10:22:32,719 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 10:22:32,720 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-03-26 10:22:32,720 INFO L428 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 10:22:32,720 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 10:22:32,721 INFO L82 PathProgramCache]: Analyzing trace with hash 1693771384, now seen corresponding path program 1 times [2021-03-26 10:22:32,726 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 10:22:32,727 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1081157134] [2021-03-26 10:22:32,727 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 10:22:32,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 10:22:32,854 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:22:32,871 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 10:22:32,909 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:22:32,912 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 10:22:32,957 INFO L142 QuantifierPusher]: treesize reduction 15, result has 82.1 percent of original size [2021-03-26 10:22:32,959 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-03-26 10:22:33,093 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 23 [2021-03-26 10:22:33,098 INFO L142 QuantifierPusher]: treesize reduction 9, result has 79.1 percent of original size [2021-03-26 10:22:33,101 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-26 10:22:33,237 INFO L142 QuantifierPusher]: treesize reduction 286, result has 49.1 percent of original size [2021-03-26 10:22:33,243 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 276 [2021-03-26 10:22:34,469 WARN L205 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 70 DAG size of output: 50 [2021-03-26 10:22:34,476 INFO L142 QuantifierPusher]: treesize reduction 60, result has 75.6 percent of original size [2021-03-26 10:22:34,479 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 186 [2021-03-26 10:22:35,029 WARN L205 SmtUtils]: Spent 502.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 43 [2021-03-26 10:22:35,035 INFO L142 QuantifierPusher]: treesize reduction 21, result has 55.3 percent of original size [2021-03-26 10:22:35,042 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 10:22:35,163 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 10:22:35,163 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1081157134] [2021-03-26 10:22:35,163 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 10:22:35,163 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 10:22:35,163 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [702173131] [2021-03-26 10:22:35,163 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 10:22:35,164 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 10:22:35,164 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 10:22:35,164 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2021-03-26 10:22:35,165 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 96 out of 166 [2021-03-26 10:22:35,165 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 37 places, 21 transitions, 129 flow. Second operand has 9 states, 9 states have (on average 96.88888888888889) internal successors, (872), 9 states have internal predecessors, (872), 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 10:22:35,166 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 10:22:35,166 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 96 of 166 [2021-03-26 10:22:35,166 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 10:22:35,763 WARN L205 SmtUtils]: Spent 557.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 46 [2021-03-26 10:22:36,019 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 26 [2021-03-26 10:22:36,922 WARN L205 SmtUtils]: Spent 814.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 64 [2021-03-26 10:22:38,068 WARN L205 SmtUtils]: Spent 847.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 66 [2021-03-26 10:22:38,593 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 45 [2021-03-26 10:22:38,627 INFO L129 PetriNetUnfolder]: 4/31 cut-off events. [2021-03-26 10:22:38,627 INFO L130 PetriNetUnfolder]: For 107/114 co-relation queries the response was YES. [2021-03-26 10:22:38,627 INFO L84 FinitePrefix]: Finished finitePrefix Result has 117 conditions, 31 events. 4/31 cut-off events. For 107/114 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 77 event pairs, 0 based on Foata normal form. 9/40 useless extension candidates. Maximal degree in co-relation 100. Up to 9 conditions per place. [2021-03-26 10:22:38,627 INFO L132 encePairwiseOnDemand]: 156/166 looper letters, 3 selfloop transitions, 6 changer transitions 6/22 dead transitions. [2021-03-26 10:22:38,627 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 45 places, 22 transitions, 163 flow [2021-03-26 10:22:38,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 10:22:38,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 10:22:38,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 880 transitions. [2021-03-26 10:22:38,633 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5890227576974565 [2021-03-26 10:22:38,633 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 880 transitions. [2021-03-26 10:22:38,634 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 880 transitions. [2021-03-26 10:22:38,634 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 10:22:38,634 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 880 transitions. [2021-03-26 10:22:38,635 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 97.77777777777777) internal successors, (880), 9 states have internal predecessors, (880), 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 10:22:38,637 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 166.0) internal successors, (1660), 10 states have internal predecessors, (1660), 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 10:22:38,637 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 166.0) internal successors, (1660), 10 states have internal predecessors, (1660), 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 10:22:38,637 INFO L185 Difference]: Start difference. First operand has 37 places, 21 transitions, 129 flow. Second operand 9 states and 880 transitions. [2021-03-26 10:22:38,637 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 45 places, 22 transitions, 163 flow [2021-03-26 10:22:38,638 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 39 places, 22 transitions, 126 flow, removed 11 selfloop flow, removed 6 redundant places. [2021-03-26 10:22:38,638 INFO L241 Difference]: Finished difference. Result has 42 places, 16 transitions, 92 flow [2021-03-26 10:22:38,639 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=166, PETRI_DIFFERENCE_MINUEND_FLOW=92, PETRI_DIFFERENCE_MINUEND_PLACES=31, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=21, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=15, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=92, PETRI_PLACES=42, PETRI_TRANSITIONS=16} [2021-03-26 10:22:38,639 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 4 predicate places. [2021-03-26 10:22:38,639 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 10:22:38,639 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 42 places, 16 transitions, 92 flow [2021-03-26 10:22:38,639 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 42 places, 16 transitions, 92 flow [2021-03-26 10:22:38,640 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 34 places, 16 transitions, 92 flow [2021-03-26 10:22:38,644 INFO L129 PetriNetUnfolder]: 2/17 cut-off events. [2021-03-26 10:22:38,644 INFO L130 PetriNetUnfolder]: For 21/21 co-relation queries the response was YES. [2021-03-26 10:22:38,644 INFO L84 FinitePrefix]: Finished finitePrefix Result has 62 conditions, 17 events. 2/17 cut-off events. For 21/21 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 15 event pairs, 0 based on Foata normal form. 0/17 useless extension candidates. Maximal degree in co-relation 47. Up to 5 conditions per place. [2021-03-26 10:22:38,644 INFO L142 LiptonReduction]: Number of co-enabled transitions 8 [2021-03-26 10:22:38,646 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 10:22:38,646 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 10:22:38,646 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 7 [2021-03-26 10:22:38,649 INFO L480 AbstractCegarLoop]: Abstraction has has 34 places, 16 transitions, 92 flow [2021-03-26 10:22:38,649 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 96.88888888888889) internal successors, (872), 9 states have internal predecessors, (872), 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 10:22:38,649 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 10:22:38,649 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 10:22:38,650 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-03-26 10:22:38,650 INFO L428 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 10:22:38,650 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 10:22:38,650 INFO L82 PathProgramCache]: Analyzing trace with hash 988724883, now seen corresponding path program 1 times [2021-03-26 10:22:38,650 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 10:22:38,650 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1031604445] [2021-03-26 10:22:38,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 10:22:38,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 10:22:38,761 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:22:38,762 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 10:22:38,806 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:22:38,808 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 10:22:38,896 INFO L142 QuantifierPusher]: treesize reduction 19, result has 72.1 percent of original size [2021-03-26 10:22:38,897 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-26 10:22:39,169 WARN L205 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 29 [2021-03-26 10:22:39,172 INFO L142 QuantifierPusher]: treesize reduction 8, result has 84.3 percent of original size [2021-03-26 10:22:39,173 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-26 10:22:39,337 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 27 DAG size of output: 26 [2021-03-26 10:22:39,340 INFO L142 QuantifierPusher]: treesize reduction 11, result has 59.3 percent of original size [2021-03-26 10:22:39,341 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 10:22:39,393 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 10:22:39,393 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1031604445] [2021-03-26 10:22:39,393 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 10:22:39,393 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-03-26 10:22:39,393 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [405326455] [2021-03-26 10:22:39,394 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 10:22:39,394 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 10:22:39,394 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 10:22:39,394 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-03-26 10:22:39,395 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 97 out of 166 [2021-03-26 10:22:39,396 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 34 places, 16 transitions, 92 flow. Second operand has 7 states, 7 states have (on average 97.85714285714286) internal successors, (685), 7 states have internal predecessors, (685), 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 10:22:39,396 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 10:22:39,396 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 97 of 166 [2021-03-26 10:22:39,396 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 10:22:39,787 INFO L129 PetriNetUnfolder]: 2/16 cut-off events. [2021-03-26 10:22:39,788 INFO L130 PetriNetUnfolder]: For 40/43 co-relation queries the response was YES. [2021-03-26 10:22:39,788 INFO L84 FinitePrefix]: Finished finitePrefix Result has 65 conditions, 16 events. 2/16 cut-off events. For 40/43 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 14 event pairs, 0 based on Foata normal form. 4/20 useless extension candidates. Maximal degree in co-relation 55. Up to 4 conditions per place. [2021-03-26 10:22:39,788 INFO L132 encePairwiseOnDemand]: 159/166 looper letters, 0 selfloop transitions, 0 changer transitions 15/15 dead transitions. [2021-03-26 10:22:39,788 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 37 places, 15 transitions, 97 flow [2021-03-26 10:22:39,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-26 10:22:39,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-03-26 10:22:39,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 590 transitions. [2021-03-26 10:22:39,793 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5923694779116466 [2021-03-26 10:22:39,793 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 590 transitions. [2021-03-26 10:22:39,793 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 590 transitions. [2021-03-26 10:22:39,793 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 10:22:39,793 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 590 transitions. [2021-03-26 10:22:39,794 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 98.33333333333333) internal successors, (590), 6 states have internal predecessors, (590), 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 10:22:39,795 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 166.0) internal successors, (1162), 7 states have internal predecessors, (1162), 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 10:22:39,796 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 166.0) internal successors, (1162), 7 states have internal predecessors, (1162), 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 10:22:39,796 INFO L185 Difference]: Start difference. First operand has 34 places, 16 transitions, 92 flow. Second operand 6 states and 590 transitions. [2021-03-26 10:22:39,796 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 37 places, 15 transitions, 97 flow [2021-03-26 10:22:39,796 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 30 places, 15 transitions, 74 flow, removed 1 selfloop flow, removed 7 redundant places. [2021-03-26 10:22:39,796 INFO L241 Difference]: Finished difference. Result has 30 places, 0 transitions, 0 flow [2021-03-26 10:22:39,796 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=166, PETRI_DIFFERENCE_MINUEND_FLOW=58, PETRI_DIFFERENCE_MINUEND_PLACES=25, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=15, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=15, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=0, PETRI_PLACES=30, PETRI_TRANSITIONS=0} [2021-03-26 10:22:39,796 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, -8 predicate places. [2021-03-26 10:22:39,797 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 10:22:39,797 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 30 places, 0 transitions, 0 flow [2021-03-26 10:22:39,797 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 30 places, 0 transitions, 0 flow [2021-03-26 10:22:39,797 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 0 places, 0 transitions, 0 flow [2021-03-26 10:22:39,797 INFO L129 PetriNetUnfolder]: 0/0 cut-off events. [2021-03-26 10:22:39,797 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-26 10:22:39,797 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 10:22:39,797 INFO L142 LiptonReduction]: Number of co-enabled transitions 0 [2021-03-26 10:22:39,797 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 10:22:39,797 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 10:22:39,798 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1 [2021-03-26 10:22:39,798 INFO L480 AbstractCegarLoop]: Abstraction has has 0 places, 0 transitions, 0 flow [2021-03-26 10:22:39,798 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 97.85714285714286) internal successors, (685), 7 states have internal predecessors, (685), 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 10:22:39,798 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-03-26 10:22:39,811 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.03 10:22:39 BasicIcfg [2021-03-26 10:22:39,811 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-03-26 10:22:39,812 INFO L168 Benchmark]: Toolchain (without parser) took 134709.36 ms. Allocated memory was 346.0 MB in the beginning and 1.1 GB in the end (delta: 748.7 MB). Free memory was 308.2 MB in the beginning and 567.1 MB in the end (delta: -258.8 MB). Peak memory consumption was 490.4 MB. Max. memory is 16.0 GB. [2021-03-26 10:22:39,812 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 346.0 MB. Free memory was 326.8 MB in the beginning and 326.7 MB in the end (delta: 73.4 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-03-26 10:22:39,812 INFO L168 Benchmark]: CACSL2BoogieTranslator took 456.02 ms. Allocated memory is still 346.0 MB. Free memory was 308.1 MB in the beginning and 302.6 MB in the end (delta: 5.5 MB). Peak memory consumption was 6.7 MB. Max. memory is 16.0 GB. [2021-03-26 10:22:39,812 INFO L168 Benchmark]: Boogie Procedure Inliner took 102.55 ms. Allocated memory is still 346.0 MB. Free memory was 302.6 MB in the beginning and 298.4 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.0 GB. [2021-03-26 10:22:39,812 INFO L168 Benchmark]: Boogie Preprocessor took 40.53 ms. Allocated memory is still 346.0 MB. Free memory was 298.4 MB in the beginning and 295.3 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-03-26 10:22:39,813 INFO L168 Benchmark]: RCFGBuilder took 2777.04 ms. Allocated memory was 346.0 MB in the beginning and 444.6 MB in the end (delta: 98.6 MB). Free memory was 295.3 MB in the beginning and 307.5 MB in the end (delta: -12.2 MB). Peak memory consumption was 161.8 MB. Max. memory is 16.0 GB. [2021-03-26 10:22:39,813 INFO L168 Benchmark]: TraceAbstraction took 131328.02 ms. Allocated memory was 444.6 MB in the beginning and 1.1 GB in the end (delta: 650.1 MB). Free memory was 306.5 MB in the beginning and 567.1 MB in the end (delta: -260.6 MB). Peak memory consumption was 388.5 MB. Max. memory is 16.0 GB. [2021-03-26 10:22:39,814 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 346.0 MB. Free memory was 326.8 MB in the beginning and 326.7 MB in the end (delta: 73.4 kB). There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 456.02 ms. Allocated memory is still 346.0 MB. Free memory was 308.1 MB in the beginning and 302.6 MB in the end (delta: 5.5 MB). Peak memory consumption was 6.7 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 102.55 ms. Allocated memory is still 346.0 MB. Free memory was 302.6 MB in the beginning and 298.4 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 40.53 ms. Allocated memory is still 346.0 MB. Free memory was 298.4 MB in the beginning and 295.3 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 2777.04 ms. Allocated memory was 346.0 MB in the beginning and 444.6 MB in the end (delta: 98.6 MB). Free memory was 295.3 MB in the beginning and 307.5 MB in the end (delta: -12.2 MB). Peak memory consumption was 161.8 MB. Max. memory is 16.0 GB. * TraceAbstraction took 131328.02 ms. Allocated memory was 444.6 MB in the beginning and 1.1 GB in the end (delta: 650.1 MB). Free memory was 306.5 MB in the beginning and 567.1 MB in the end (delta: -260.6 MB). Peak memory consumption was 388.5 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 4934.4ms, 88 PlacesBefore, 38 PlacesAfterwards, 83 TransitionsBefore, 32 TransitionsAfterwards, 1124 CoEnabledTransitionPairs, 5 FixpointIterations, 29 TrivialSequentialCompositions, 23 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 4 ConcurrentYvCompositions, 1 ChoiceCompositions, 57 TotalNumberOfCompositions, 2573 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 895, positive: 800, positive conditional: 800, positive unconditional: 0, negative: 95, negative conditional: 95, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 895, positive: 800, positive conditional: 0, positive unconditional: 800, negative: 95, negative conditional: 0, negative unconditional: 95, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 895, positive: 800, positive conditional: 0, positive unconditional: 800, negative: 95, negative conditional: 0, negative unconditional: 95, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 655, positive: 618, positive conditional: 0, positive unconditional: 618, negative: 37, negative conditional: 0, negative unconditional: 37, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 655, positive: 618, positive conditional: 0, positive unconditional: 618, negative: 37, negative conditional: 0, negative unconditional: 37, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 37, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 37, negative conditional: 0, negative unconditional: 37, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 660, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 660, negative conditional: 0, negative unconditional: 660, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 895, positive: 182, positive conditional: 0, positive unconditional: 182, negative: 58, negative conditional: 0, negative unconditional: 58, unknown: 655, unknown conditional: 0, unknown unconditional: 655] , Statistics on independence cache: Total cache size (in pairs): 655, Positive cache size: 618, Positive conditional cache size: 0, Positive unconditional cache size: 618, Negative cache size: 37, Negative conditional cache size: 0, Negative unconditional cache size: 37, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 6425.3ms, 36 PlacesBefore, 27 PlacesAfterwards, 29 TransitionsBefore, 20 TransitionsAfterwards, 278 CoEnabledTransitionPairs, 4 FixpointIterations, 5 TrivialSequentialCompositions, 5 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 10 TotalNumberOfCompositions, 1028 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 257, positive: 174, positive conditional: 174, positive unconditional: 0, negative: 83, negative conditional: 83, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 257, positive: 174, positive conditional: 25, positive unconditional: 149, negative: 83, negative conditional: 8, negative unconditional: 75, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 257, positive: 174, positive conditional: 25, positive unconditional: 149, negative: 83, negative conditional: 8, negative unconditional: 75, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 100, positive: 70, positive conditional: 11, positive unconditional: 59, negative: 30, negative conditional: 6, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 100, positive: 69, positive conditional: 0, positive unconditional: 69, negative: 31, negative conditional: 0, negative unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 31, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 30, negative conditional: 6, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 734, positive: 5, positive conditional: 0, positive unconditional: 5, negative: 729, negative conditional: 156, negative unconditional: 573, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 257, positive: 104, positive conditional: 14, positive unconditional: 90, negative: 53, negative conditional: 2, negative unconditional: 51, unknown: 100, unknown conditional: 17, unknown unconditional: 83] , Statistics on independence cache: Total cache size (in pairs): 755, Positive cache size: 688, Positive conditional cache size: 11, Positive unconditional cache size: 677, Negative cache size: 67, Negative conditional cache size: 6, Negative unconditional cache size: 61, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 460.9ms, 30 PlacesBefore, 26 PlacesAfterwards, 18 TransitionsBefore, 18 TransitionsAfterwards, 140 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 189 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 37, positive: 17, positive conditional: 17, positive unconditional: 0, negative: 20, negative conditional: 20, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 37, positive: 17, positive conditional: 0, positive unconditional: 17, negative: 20, negative conditional: 0, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 37, positive: 17, positive conditional: 0, positive unconditional: 17, negative: 20, negative conditional: 0, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 22, positive: 10, positive conditional: 0, positive unconditional: 10, negative: 12, negative conditional: 0, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 22, positive: 10, positive conditional: 0, positive unconditional: 10, negative: 12, negative conditional: 0, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 12, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 12, negative conditional: 0, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 447, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 447, negative conditional: 0, negative unconditional: 447, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 37, positive: 7, positive conditional: 0, positive unconditional: 7, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 22, unknown conditional: 0, unknown unconditional: 22] , Statistics on independence cache: Total cache size (in pairs): 777, Positive cache size: 698, Positive conditional cache size: 11, Positive unconditional cache size: 687, Negative cache size: 79, Negative conditional cache size: 6, Negative unconditional cache size: 73, Eliminated conditions: 1 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 73.2ms, 27 PlacesBefore, 27 PlacesAfterwards, 18 TransitionsBefore, 18 TransitionsAfterwards, 138 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 187 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 51, positive: 31, positive conditional: 31, positive unconditional: 0, negative: 20, negative conditional: 20, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 51, positive: 31, positive conditional: 0, positive unconditional: 31, negative: 20, negative conditional: 0, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 51, positive: 31, positive conditional: 0, positive unconditional: 31, negative: 20, negative conditional: 0, negative unconditional: 20, 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: 0, negative unconditional: 2, 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: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 67, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 67, negative conditional: 0, negative unconditional: 67, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 51, positive: 31, positive conditional: 0, positive unconditional: 31, negative: 18, negative conditional: 0, negative unconditional: 18, unknown: 2, unknown conditional: 0, unknown unconditional: 2] , Statistics on independence cache: Total cache size (in pairs): 779, Positive cache size: 698, Positive conditional cache size: 11, Positive unconditional cache size: 687, Negative cache size: 81, Negative conditional cache size: 6, Negative unconditional cache size: 75, Eliminated conditions: 1 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1656.3ms, 31 PlacesBefore, 31 PlacesAfterwards, 34 TransitionsBefore, 34 TransitionsAfterwards, 148 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 364 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 172, positive: 145, positive conditional: 145, positive unconditional: 0, negative: 27, negative conditional: 27, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 172, positive: 145, positive conditional: 35, positive unconditional: 110, negative: 27, negative conditional: 0, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 172, positive: 145, positive conditional: 35, positive unconditional: 110, negative: 27, negative conditional: 0, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 9, positive: 9, positive conditional: 4, 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: 9, positive: 9, positive conditional: 0, positive unconditional: 9, 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: 172, positive: 136, positive conditional: 31, positive unconditional: 105, negative: 27, negative conditional: 0, negative unconditional: 27, unknown: 9, unknown conditional: 4, unknown unconditional: 5] , Statistics on independence cache: Total cache size (in pairs): 788, Positive cache size: 707, Positive conditional cache size: 15, Positive unconditional cache size: 692, Negative cache size: 81, Negative conditional cache size: 6, Negative unconditional cache size: 75, Eliminated conditions: 25 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 19.0ms, 38 PlacesBefore, 38 PlacesAfterwards, 42 TransitionsBefore, 42 TransitionsAfterwards, 146 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 167 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 81, positive: 68, positive conditional: 68, positive unconditional: 0, negative: 13, negative conditional: 13, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 81, positive: 68, positive conditional: 20, positive unconditional: 48, negative: 13, negative conditional: 0, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 81, positive: 68, positive conditional: 20, positive unconditional: 48, negative: 13, negative conditional: 0, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 3, positive: 3, positive conditional: 2, 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: 3, positive: 3, positive conditional: 0, positive unconditional: 3, 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: 81, positive: 65, positive conditional: 18, positive unconditional: 47, negative: 13, negative conditional: 0, negative unconditional: 13, unknown: 3, unknown conditional: 2, unknown unconditional: 1] , Statistics on independence cache: Total cache size (in pairs): 791, Positive cache size: 710, Positive conditional cache size: 17, Positive unconditional cache size: 693, Negative cache size: 81, Negative conditional cache size: 6, Negative unconditional cache size: 75, Eliminated conditions: 5 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 11738.8ms, 40 PlacesBefore, 40 PlacesAfterwards, 35 TransitionsBefore, 35 TransitionsAfterwards, 168 CoEnabledTransitionPairs, 3 FixpointIterations, 1 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 299 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 84, positive: 57, positive conditional: 57, positive unconditional: 0, negative: 27, negative conditional: 27, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 84, positive: 57, positive conditional: 47, positive unconditional: 10, negative: 27, negative conditional: 0, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 84, positive: 57, positive conditional: 47, positive unconditional: 10, negative: 27, negative conditional: 0, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 4, positive: 4, positive conditional: 4, 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: 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] , 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: 84, positive: 53, positive conditional: 43, positive unconditional: 10, negative: 27, negative conditional: 0, negative unconditional: 27, unknown: 4, unknown conditional: 4, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 795, Positive cache size: 714, Positive conditional cache size: 21, Positive unconditional cache size: 693, Negative cache size: 81, Negative conditional cache size: 6, Negative unconditional cache size: 75, Eliminated conditions: 9 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 781.2ms, 47 PlacesBefore, 47 PlacesAfterwards, 34 TransitionsBefore, 34 TransitionsAfterwards, 158 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 260 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 94, positive: 67, positive conditional: 67, positive unconditional: 0, negative: 27, negative conditional: 27, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 94, positive: 67, positive conditional: 46, positive unconditional: 21, negative: 27, negative conditional: 0, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 94, positive: 67, positive conditional: 46, positive unconditional: 21, negative: 27, negative conditional: 0, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 4, positive: 4, positive conditional: 1, positive unconditional: 3, 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: 4, positive conditional: 0, positive unconditional: 4, 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: 94, positive: 63, positive conditional: 45, positive unconditional: 18, negative: 27, negative conditional: 0, negative unconditional: 27, unknown: 4, unknown conditional: 1, unknown unconditional: 3] , Statistics on independence cache: Total cache size (in pairs): 799, Positive cache size: 718, Positive conditional cache size: 22, Positive unconditional cache size: 696, Negative cache size: 81, Negative conditional cache size: 6, Negative unconditional cache size: 75, Eliminated conditions: 4 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 4996.8ms, 49 PlacesBefore, 46 PlacesAfterwards, 33 TransitionsBefore, 29 TransitionsAfterwards, 132 CoEnabledTransitionPairs, 3 FixpointIterations, 1 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 1 TrivialYvCompositions, 2 ConcurrentYvCompositions, 0 ChoiceCompositions, 4 TotalNumberOfCompositions, 339 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 169, positive: 127, positive conditional: 127, positive unconditional: 0, negative: 42, negative conditional: 42, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 169, positive: 127, positive conditional: 85, positive unconditional: 42, negative: 42, negative conditional: 0, negative unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 169, positive: 127, positive conditional: 85, positive unconditional: 42, negative: 42, negative conditional: 0, negative unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 8, positive: 8, positive conditional: 8, 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: 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: 169, positive: 119, positive conditional: 77, positive unconditional: 42, negative: 42, negative conditional: 0, negative unconditional: 42, unknown: 8, unknown conditional: 8, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 807, Positive cache size: 726, Positive conditional cache size: 30, Positive unconditional cache size: 696, Negative cache size: 81, Negative conditional cache size: 6, Negative unconditional cache size: 75, Eliminated conditions: 19 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 695.2ms, 39 PlacesBefore, 30 PlacesAfterwards, 17 TransitionsBefore, 15 TransitionsAfterwards, 40 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 2 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 55 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 32, positive: 16, positive conditional: 16, positive unconditional: 0, negative: 16, negative conditional: 16, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 32, positive: 16, positive conditional: 15, positive unconditional: 1, negative: 16, negative conditional: 0, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 32, positive: 16, positive conditional: 15, positive unconditional: 1, negative: 16, negative conditional: 0, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 10, positive: 8, positive conditional: 7, positive unconditional: 1, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 10, positive: 8, positive conditional: 0, positive unconditional: 8, 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: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 43, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 43, negative conditional: 0, negative unconditional: 43, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 32, positive: 8, positive conditional: 8, positive unconditional: 0, negative: 14, negative conditional: 0, negative unconditional: 14, unknown: 10, unknown conditional: 7, unknown unconditional: 3] , Statistics on independence cache: Total cache size (in pairs): 817, Positive cache size: 734, Positive conditional cache size: 37, Positive unconditional cache size: 697, Negative cache size: 83, Negative conditional cache size: 6, Negative unconditional cache size: 77, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 88277.2ms, 37 PlacesBefore, 37 PlacesAfterwards, 21 TransitionsBefore, 21 TransitionsAfterwards, 12 CoEnabledTransitionPairs, 4 FixpointIterations, 4 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 2 ConcurrentYvCompositions, 0 ChoiceCompositions, 6 TotalNumberOfCompositions, 2 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 2, 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: 2, positive: 2, positive conditional: 2, 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: 2, positive: 2, positive conditional: 2, 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: 2, positive: 2, positive conditional: 2, 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): 817, Positive cache size: 734, Positive conditional cache size: 37, Positive unconditional cache size: 697, Negative cache size: 83, Negative conditional cache size: 6, Negative unconditional cache size: 77, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 6.7ms, 42 PlacesBefore, 34 PlacesAfterwards, 16 TransitionsBefore, 16 TransitionsAfterwards, 8 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): 817, Positive cache size: 734, Positive conditional cache size: 37, Positive unconditional cache size: 697, Negative cache size: 83, Negative conditional cache size: 6, Negative unconditional cache size: 77, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.6ms, 30 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): 817, Positive cache size: 734, Positive conditional cache size: 37, Positive unconditional cache size: 697, Negative cache size: 83, Negative conditional cache size: 6, Negative unconditional cache size: 77, 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 - 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 3 procedures, 84 locations, 2 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 2.9ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: SAFE, OverallTime: 131151.0ms, OverallIterations: 12, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 5663.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 4993.8ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 47 SDtfs, 15 SDslu, 19 SDs, 0 SdLazy, 443 SolverSat, 100 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1007.7ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 76 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 7351.8ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=242occurred in iteration=5, InterpolantAutomatonStates: 71, 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: 39.7ms SsaConstructionTime, 494.7ms SatisfiabilityAnalysisTime, 4580.2ms InterpolantComputationTime, 145 NumberOfCodeBlocks, 145 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 133 ConstructedInterpolants, 0 QuantifiedInterpolants, 1750 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 12 InterpolantComputations, 12 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 2 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! Received shutdown request...