/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/safe032_tso.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-d5b4239aa45c8d22a30959944f2ef622f7386a6d-d5b4239 [2021-03-26 10:42:13,565 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-03-26 10:42:13,567 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-03-26 10:42:13,594 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-03-26 10:42:13,595 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-03-26 10:42:13,597 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-03-26 10:42:13,600 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-03-26 10:42:13,606 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-03-26 10:42:13,608 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-03-26 10:42:13,611 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-03-26 10:42:13,612 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-03-26 10:42:13,613 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-03-26 10:42:13,614 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-03-26 10:42:13,615 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-03-26 10:42:13,616 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-03-26 10:42:13,617 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-03-26 10:42:13,618 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-03-26 10:42:13,619 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-03-26 10:42:13,623 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-03-26 10:42:13,629 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-03-26 10:42:13,630 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-03-26 10:42:13,631 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-03-26 10:42:13,631 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-03-26 10:42:13,632 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-03-26 10:42:13,634 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-03-26 10:42:13,640 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-03-26 10:42:13,641 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-03-26 10:42:13,641 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-03-26 10:42:13,642 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 10:42:13,693 INFO L113 SettingsManager]: Loading preferences was successful [2021-03-26 10:42:13,694 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-03-26 10:42:13,697 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-03-26 10:42:13,697 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-03-26 10:42:13,697 INFO L138 SettingsManager]: * Use SBE=true [2021-03-26 10:42:13,697 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-03-26 10:42:13,698 INFO L138 SettingsManager]: * sizeof long=4 [2021-03-26 10:42:13,698 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-03-26 10:42:13,698 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-03-26 10:42:13,698 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-03-26 10:42:13,699 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-03-26 10:42:13,699 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-03-26 10:42:13,699 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-03-26 10:42:13,699 INFO L138 SettingsManager]: * sizeof long double=12 [2021-03-26 10:42:13,699 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-03-26 10:42:13,699 INFO L138 SettingsManager]: * Use constant arrays=true [2021-03-26 10:42:13,699 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-03-26 10:42:13,700 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-03-26 10:42:13,700 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-03-26 10:42:13,700 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-03-26 10:42:13,700 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-03-26 10:42:13,700 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-26 10:42:13,700 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-03-26 10:42:13,700 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-03-26 10:42:13,701 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-03-26 10:42:13,701 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-03-26 10:42:13,701 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-03-26 10:42:13,701 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=SEMANTIC_BASED_MOVER_CHECK_WITH_PREDICATES_DISJUNCTIVE [2021-03-26 10:42:13,701 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-03-26 10:42:13,701 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-03-26 10:42:13,702 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-03-26 10:42:14,016 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-03-26 10:42:14,044 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-03-26 10:42:14,046 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-03-26 10:42:14,047 INFO L271 PluginConnector]: Initializing CDTParser... [2021-03-26 10:42:14,048 INFO L275 PluginConnector]: CDTParser initialized [2021-03-26 10:42:14,048 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe032_tso.oepc.i [2021-03-26 10:42:14,106 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0817d0563/75ed1575232b4ccb9bdbf63ac7895f42/FLAG13ec453ac [2021-03-26 10:42:14,692 INFO L306 CDTParser]: Found 1 translation units. [2021-03-26 10:42:14,692 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe032_tso.oepc.i [2021-03-26 10:42:14,712 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0817d0563/75ed1575232b4ccb9bdbf63ac7895f42/FLAG13ec453ac [2021-03-26 10:42:15,096 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0817d0563/75ed1575232b4ccb9bdbf63ac7895f42 [2021-03-26 10:42:15,099 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-03-26 10:42:15,100 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-03-26 10:42:15,101 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-03-26 10:42:15,101 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-03-26 10:42:15,104 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-03-26 10:42:15,104 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.03 10:42:15" (1/1) ... [2021-03-26 10:42:15,105 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b7ea82 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 10:42:15, skipping insertion in model container [2021-03-26 10:42:15,105 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.03 10:42:15" (1/1) ... [2021-03-26 10:42:15,111 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-03-26 10:42:15,136 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-03-26 10:42:15,309 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/safe032_tso.oepc.i[950,963] [2021-03-26 10:42:15,478 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-26 10:42:15,484 INFO L203 MainTranslator]: Completed pre-run [2021-03-26 10:42:15,496 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/safe032_tso.oepc.i[950,963] [2021-03-26 10:42:15,538 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-26 10:42:15,611 INFO L208 MainTranslator]: Completed translation [2021-03-26 10:42:15,612 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 10:42:15 WrapperNode [2021-03-26 10:42:15,613 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-03-26 10:42:15,614 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-03-26 10:42:15,614 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-03-26 10:42:15,614 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-03-26 10:42:15,620 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 10:42:15" (1/1) ... [2021-03-26 10:42:15,649 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 10:42:15" (1/1) ... [2021-03-26 10:42:15,668 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-03-26 10:42:15,669 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-03-26 10:42:15,669 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-03-26 10:42:15,669 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-03-26 10:42:15,676 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 10:42:15" (1/1) ... [2021-03-26 10:42:15,676 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 10:42:15" (1/1) ... [2021-03-26 10:42:15,686 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 10:42:15" (1/1) ... [2021-03-26 10:42:15,687 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 10:42:15" (1/1) ... [2021-03-26 10:42:15,695 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 10:42:15" (1/1) ... [2021-03-26 10:42:15,697 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 10:42:15" (1/1) ... [2021-03-26 10:42:15,698 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 10:42:15" (1/1) ... [2021-03-26 10:42:15,700 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-03-26 10:42:15,700 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-03-26 10:42:15,700 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-03-26 10:42:15,701 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-03-26 10:42:15,701 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 10:42:15" (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 10:42:15,777 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-03-26 10:42:15,777 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-03-26 10:42:15,778 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-03-26 10:42:15,778 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-03-26 10:42:15,778 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-03-26 10:42:15,778 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-03-26 10:42:15,779 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-03-26 10:42:15,779 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-03-26 10:42:15,779 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-03-26 10:42:15,779 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-03-26 10:42:15,779 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-03-26 10:42:15,779 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-03-26 10:42:15,780 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-03-26 10:42:15,780 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-03-26 10:42:15,781 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 10:42:16,171 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-03-26 10:42:16,172 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2021-03-26 10:42:16,173 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.03 10:42:16 BoogieIcfgContainer [2021-03-26 10:42:16,174 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-03-26 10:42:16,175 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-03-26 10:42:16,175 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-03-26 10:42:16,177 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-03-26 10:42:16,178 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.03 10:42:15" (1/3) ... [2021-03-26 10:42:16,178 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d8879d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.03 10:42:16, skipping insertion in model container [2021-03-26 10:42:16,178 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 10:42:15" (2/3) ... [2021-03-26 10:42:16,179 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d8879d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.03 10:42:16, skipping insertion in model container [2021-03-26 10:42:16,179 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.03 10:42:16" (3/3) ... [2021-03-26 10:42:16,180 INFO L111 eAbstractionObserver]: Analyzing ICFG safe032_tso.oepc.i [2021-03-26 10:42:16,185 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-03-26 10:42:16,189 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-03-26 10:42:16,189 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-03-26 10:42:16,217 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:42:16,217 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:42:16,217 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:42:16,217 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:42:16,217 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:42:16,217 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:42:16,218 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:42:16,218 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:42:16,218 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:42:16,218 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:42:16,218 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:42:16,218 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:42:16,219 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:42:16,219 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:42:16,220 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:42:16,220 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:42:16,220 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:42:16,220 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:42:16,220 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:42:16,220 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:42:16,220 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:42:16,221 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:42:16,221 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:42:16,221 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:42:16,223 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:42:16,223 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:42:16,223 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:42:16,223 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:42:16,224 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:42:16,224 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:42:16,224 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:42:16,225 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:42:16,225 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:42:16,225 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:42:16,226 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:42:16,226 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:42:16,232 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:42:16,232 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:42:16,232 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:42:16,233 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:42:16,240 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:42:16,240 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:42:16,240 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:42:16,241 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:42:16,247 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:42:16,247 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:42:16,248 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:42:16,251 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:42:16,252 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-03-26 10:42:16,265 INFO L253 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-03-26 10:42:16,281 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-03-26 10:42:16,281 INFO L377 AbstractCegarLoop]: Hoare is false [2021-03-26 10:42:16,281 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-03-26 10:42:16,281 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-03-26 10:42:16,281 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-03-26 10:42:16,281 INFO L381 AbstractCegarLoop]: Difference is false [2021-03-26 10:42:16,281 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-03-26 10:42:16,282 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-03-26 10:42:16,291 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 82 places, 74 transitions, 163 flow [2021-03-26 10:42:16,319 INFO L129 PetriNetUnfolder]: 2/71 cut-off events. [2021-03-26 10:42:16,320 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-26 10:42:16,323 INFO L84 FinitePrefix]: Finished finitePrefix Result has 81 conditions, 71 events. 2/71 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 54 event pairs, 0 based on Foata normal form. 0/68 useless extension candidates. Maximal degree in co-relation 56. Up to 2 conditions per place. [2021-03-26 10:42:16,323 INFO L82 GeneralOperation]: Start removeDead. Operand has 82 places, 74 transitions, 163 flow [2021-03-26 10:42:16,326 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 68 places, 59 transitions, 127 flow [2021-03-26 10:42:16,327 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 10:42:16,347 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 68 places, 59 transitions, 127 flow [2021-03-26 10:42:16,350 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 68 places, 59 transitions, 127 flow [2021-03-26 10:42:16,351 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 68 places, 59 transitions, 127 flow [2021-03-26 10:42:16,366 INFO L129 PetriNetUnfolder]: 1/59 cut-off events. [2021-03-26 10:42:16,366 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-26 10:42:16,366 INFO L84 FinitePrefix]: Finished finitePrefix Result has 69 conditions, 59 events. 1/59 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 46 event pairs, 0 based on Foata normal form. 0/58 useless extension candidates. Maximal degree in co-relation 44. Up to 2 conditions per place. [2021-03-26 10:42:16,370 INFO L142 LiptonReduction]: Number of co-enabled transitions 864 [2021-03-26 10:42:17,984 INFO L154 LiptonReduction]: Checked pairs total: 972 [2021-03-26 10:42:17,984 INFO L156 LiptonReduction]: Total number of compositions: 37 [2021-03-26 10:42:17,986 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1660 [2021-03-26 10:42:18,005 INFO L129 PetriNetUnfolder]: 0/21 cut-off events. [2021-03-26 10:42:18,005 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-26 10:42:18,005 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 10:42:18,006 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 10:42:18,006 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 10:42:18,010 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 10:42:18,010 INFO L82 PathProgramCache]: Analyzing trace with hash -31453366, now seen corresponding path program 1 times [2021-03-26 10:42:18,017 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 10:42:18,017 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2011677289] [2021-03-26 10:42:18,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 10:42:18,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 10:42:18,196 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:42:18,211 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 10:42:18,212 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:42:18,212 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:42:18,222 INFO L142 QuantifierPusher]: treesize reduction 3, result has 85.0 percent of original size [2021-03-26 10:42:18,223 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 10:42:18,241 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 10:42:18,242 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2011677289] [2021-03-26 10:42:18,242 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 10:42:18,243 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-26 10:42:18,243 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2002350865] [2021-03-26 10:42:18,249 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-26 10:42:18,249 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 10:42:18,260 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-26 10:42:18,262 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-03-26 10:42:18,266 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 86 out of 111 [2021-03-26 10:42:18,270 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 32 places, 22 transitions, 53 flow. Second operand has 4 states, 4 states have (on average 86.75) internal successors, (347), 4 states have internal predecessors, (347), 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 10:42:18,275 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 10:42:18,275 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 86 of 111 [2021-03-26 10:42:18,276 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 10:42:18,322 INFO L129 PetriNetUnfolder]: 38/114 cut-off events. [2021-03-26 10:42:18,322 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-26 10:42:18,322 INFO L84 FinitePrefix]: Finished finitePrefix Result has 206 conditions, 114 events. 38/114 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 428 event pairs, 16 based on Foata normal form. 11/119 useless extension candidates. Maximal degree in co-relation 192. Up to 35 conditions per place. [2021-03-26 10:42:18,324 INFO L132 encePairwiseOnDemand]: 104/111 looper letters, 11 selfloop transitions, 6 changer transitions 0/30 dead transitions. [2021-03-26 10:42:18,324 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 35 places, 30 transitions, 103 flow [2021-03-26 10:42:18,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-26 10:42:18,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-03-26 10:42:18,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 363 transitions. [2021-03-26 10:42:18,336 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8175675675675675 [2021-03-26 10:42:18,336 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 363 transitions. [2021-03-26 10:42:18,337 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 363 transitions. [2021-03-26 10:42:18,338 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 10:42:18,340 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 363 transitions. [2021-03-26 10:42:18,343 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 90.75) internal successors, (363), 4 states have internal predecessors, (363), 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 10:42:18,349 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 111.0) internal successors, (555), 5 states have internal predecessors, (555), 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 10:42:18,349 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 111.0) internal successors, (555), 5 states have internal predecessors, (555), 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 10:42:18,351 INFO L185 Difference]: Start difference. First operand has 32 places, 22 transitions, 53 flow. Second operand 4 states and 363 transitions. [2021-03-26 10:42:18,352 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 35 places, 30 transitions, 103 flow [2021-03-26 10:42:18,354 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 32 places, 30 transitions, 100 flow, removed 0 selfloop flow, removed 3 redundant places. [2021-03-26 10:42:18,355 INFO L241 Difference]: Finished difference. Result has 35 places, 26 transitions, 94 flow [2021-03-26 10:42:18,357 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=111, PETRI_DIFFERENCE_MINUEND_FLOW=50, PETRI_DIFFERENCE_MINUEND_PLACES=29, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=22, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=16, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=94, PETRI_PLACES=35, PETRI_TRANSITIONS=26} [2021-03-26 10:42:18,357 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, 3 predicate places. [2021-03-26 10:42:18,358 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 10:42:18,358 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 35 places, 26 transitions, 94 flow [2021-03-26 10:42:18,358 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 35 places, 26 transitions, 94 flow [2021-03-26 10:42:18,359 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 35 places, 26 transitions, 94 flow [2021-03-26 10:42:18,368 INFO L129 PetriNetUnfolder]: 17/79 cut-off events. [2021-03-26 10:42:18,368 INFO L130 PetriNetUnfolder]: For 21/30 co-relation queries the response was YES. [2021-03-26 10:42:18,369 INFO L84 FinitePrefix]: Finished finitePrefix Result has 170 conditions, 79 events. 17/79 cut-off events. For 21/30 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 296 event pairs, 7 based on Foata normal form. 0/74 useless extension candidates. Maximal degree in co-relation 157. Up to 24 conditions per place. [2021-03-26 10:42:18,370 INFO L142 LiptonReduction]: Number of co-enabled transitions 190 [2021-03-26 10:42:18,843 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 74 [2021-03-26 10:42:19,092 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 74 [2021-03-26 10:42:19,177 INFO L154 LiptonReduction]: Checked pairs total: 204 [2021-03-26 10:42:19,177 INFO L156 LiptonReduction]: Total number of compositions: 5 [2021-03-26 10:42:19,178 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 820 [2021-03-26 10:42:19,180 INFO L480 AbstractCegarLoop]: Abstraction has has 30 places, 21 transitions, 84 flow [2021-03-26 10:42:19,180 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 86.75) internal successors, (347), 4 states have internal predecessors, (347), 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 10:42:19,180 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 10:42:19,180 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 10:42:19,181 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-03-26 10:42:19,181 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 10:42:19,182 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 10:42:19,182 INFO L82 PathProgramCache]: Analyzing trace with hash 892166377, now seen corresponding path program 1 times [2021-03-26 10:42:19,182 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 10:42:19,182 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [435543139] [2021-03-26 10:42:19,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 10:42:19,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 10:42:19,238 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:42:19,239 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 10:42:19,240 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:42:19,240 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:42:19,242 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 10:42:19,242 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [435543139] [2021-03-26 10:42:19,243 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 10:42:19,243 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-03-26 10:42:19,243 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1453371834] [2021-03-26 10:42:19,244 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-26 10:42:19,244 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 10:42:19,244 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-26 10:42:19,245 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-26 10:42:19,245 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 98 out of 116 [2021-03-26 10:42:19,246 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 30 places, 21 transitions, 84 flow. Second operand has 3 states, 3 states have (on average 99.33333333333333) internal successors, (298), 3 states have internal predecessors, (298), 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 10:42:19,246 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 10:42:19,246 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 98 of 116 [2021-03-26 10:42:19,246 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 10:42:19,267 INFO L129 PetriNetUnfolder]: 29/108 cut-off events. [2021-03-26 10:42:19,267 INFO L130 PetriNetUnfolder]: For 82/116 co-relation queries the response was YES. [2021-03-26 10:42:19,268 INFO L84 FinitePrefix]: Finished finitePrefix Result has 282 conditions, 108 events. 29/108 cut-off events. For 82/116 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 497 event pairs, 13 based on Foata normal form. 5/103 useless extension candidates. Maximal degree in co-relation 270. Up to 36 conditions per place. [2021-03-26 10:42:19,268 INFO L132 encePairwiseOnDemand]: 113/116 looper letters, 8 selfloop transitions, 3 changer transitions 1/25 dead transitions. [2021-03-26 10:42:19,268 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 32 places, 25 transitions, 128 flow [2021-03-26 10:42:19,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-26 10:42:19,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-26 10:42:19,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 304 transitions. [2021-03-26 10:42:19,270 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8735632183908046 [2021-03-26 10:42:19,270 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 304 transitions. [2021-03-26 10:42:19,271 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 304 transitions. [2021-03-26 10:42:19,271 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 10:42:19,271 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 304 transitions. [2021-03-26 10:42:19,272 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 101.33333333333333) internal successors, (304), 3 states have internal predecessors, (304), 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 10:42:19,273 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 116.0) internal successors, (464), 4 states have internal predecessors, (464), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:42:19,273 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 116.0) internal successors, (464), 4 states have internal predecessors, (464), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:42:19,273 INFO L185 Difference]: Start difference. First operand has 30 places, 21 transitions, 84 flow. Second operand 3 states and 304 transitions. [2021-03-26 10:42:19,274 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 32 places, 25 transitions, 128 flow [2021-03-26 10:42:19,275 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 31 places, 25 transitions, 125 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-03-26 10:42:19,275 INFO L241 Difference]: Finished difference. Result has 32 places, 21 transitions, 93 flow [2021-03-26 10:42:19,275 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=116, PETRI_DIFFERENCE_MINUEND_FLOW=82, PETRI_DIFFERENCE_MINUEND_PLACES=29, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=21, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=18, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=93, PETRI_PLACES=32, PETRI_TRANSITIONS=21} [2021-03-26 10:42:19,276 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, 0 predicate places. [2021-03-26 10:42:19,276 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 10:42:19,276 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 32 places, 21 transitions, 93 flow [2021-03-26 10:42:19,277 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 32 places, 21 transitions, 93 flow [2021-03-26 10:42:19,277 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 32 places, 21 transitions, 93 flow [2021-03-26 10:42:19,282 INFO L129 PetriNetUnfolder]: 15/69 cut-off events. [2021-03-26 10:42:19,282 INFO L130 PetriNetUnfolder]: For 30/32 co-relation queries the response was YES. [2021-03-26 10:42:19,282 INFO L84 FinitePrefix]: Finished finitePrefix Result has 173 conditions, 69 events. 15/69 cut-off events. For 30/32 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 252 event pairs, 5 based on Foata normal form. 1/66 useless extension candidates. Maximal degree in co-relation 162. Up to 21 conditions per place. [2021-03-26 10:42:19,283 INFO L142 LiptonReduction]: Number of co-enabled transitions 132 [2021-03-26 10:42:19,294 INFO L154 LiptonReduction]: Checked pairs total: 23 [2021-03-26 10:42:19,295 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 10:42:19,295 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 19 [2021-03-26 10:42:19,296 INFO L480 AbstractCegarLoop]: Abstraction has has 32 places, 21 transitions, 93 flow [2021-03-26 10:42:19,296 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 99.33333333333333) internal successors, (298), 3 states have internal predecessors, (298), 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 10:42:19,296 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 10:42:19,296 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 10:42:19,296 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-03-26 10:42:19,296 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 10:42:19,297 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 10:42:19,297 INFO L82 PathProgramCache]: Analyzing trace with hash 456603740, now seen corresponding path program 1 times [2021-03-26 10:42:19,297 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 10:42:19,297 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1602444915] [2021-03-26 10:42:19,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 10:42:19,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 10:42:19,369 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:42:19,370 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:42:19,375 INFO L142 QuantifierPusher]: treesize reduction 3, result has 85.0 percent of original size [2021-03-26 10:42:19,376 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 10:42:19,384 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 10:42:19,385 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1602444915] [2021-03-26 10:42:19,385 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 10:42:19,386 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-03-26 10:42:19,386 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [917867923] [2021-03-26 10:42:19,386 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-26 10:42:19,387 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 10:42:19,391 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-26 10:42:19,394 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-03-26 10:42:19,395 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 88 out of 116 [2021-03-26 10:42:19,396 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 32 places, 21 transitions, 93 flow. Second operand has 4 states, 4 states have (on average 89.25) internal successors, (357), 4 states have internal predecessors, (357), 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 10:42:19,396 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 10:42:19,396 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 88 of 116 [2021-03-26 10:42:19,396 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 10:42:19,420 INFO L129 PetriNetUnfolder]: 28/87 cut-off events. [2021-03-26 10:42:19,420 INFO L130 PetriNetUnfolder]: For 81/167 co-relation queries the response was YES. [2021-03-26 10:42:19,421 INFO L84 FinitePrefix]: Finished finitePrefix Result has 276 conditions, 87 events. 28/87 cut-off events. For 81/167 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 294 event pairs, 1 based on Foata normal form. 6/93 useless extension candidates. Maximal degree in co-relation 263. Up to 40 conditions per place. [2021-03-26 10:42:19,421 INFO L132 encePairwiseOnDemand]: 108/116 looper letters, 10 selfloop transitions, 12 changer transitions 3/34 dead transitions. [2021-03-26 10:42:19,422 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 35 places, 34 transitions, 214 flow [2021-03-26 10:42:19,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-26 10:42:19,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-03-26 10:42:19,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 371 transitions. [2021-03-26 10:42:19,424 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7995689655172413 [2021-03-26 10:42:19,424 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 371 transitions. [2021-03-26 10:42:19,424 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 371 transitions. [2021-03-26 10:42:19,425 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 10:42:19,425 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 371 transitions. [2021-03-26 10:42:19,426 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 92.75) internal successors, (371), 4 states have internal predecessors, (371), 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 10:42:19,427 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 116.0) internal successors, (580), 5 states have internal predecessors, (580), 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 10:42:19,428 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 116.0) internal successors, (580), 5 states have internal predecessors, (580), 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 10:42:19,428 INFO L185 Difference]: Start difference. First operand has 32 places, 21 transitions, 93 flow. Second operand 4 states and 371 transitions. [2021-03-26 10:42:19,428 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 35 places, 34 transitions, 214 flow [2021-03-26 10:42:19,429 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 34 places, 34 transitions, 206 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-03-26 10:42:19,430 INFO L241 Difference]: Finished difference. Result has 37 places, 28 transitions, 191 flow [2021-03-26 10:42:19,430 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=116, PETRI_DIFFERENCE_MINUEND_FLOW=90, PETRI_DIFFERENCE_MINUEND_PLACES=31, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=21, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=11, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=191, PETRI_PLACES=37, PETRI_TRANSITIONS=28} [2021-03-26 10:42:19,430 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, 5 predicate places. [2021-03-26 10:42:19,431 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 10:42:19,431 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 37 places, 28 transitions, 191 flow [2021-03-26 10:42:19,431 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 37 places, 28 transitions, 191 flow [2021-03-26 10:42:19,431 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 37 places, 28 transitions, 191 flow [2021-03-26 10:42:19,438 INFO L129 PetriNetUnfolder]: 20/75 cut-off events. [2021-03-26 10:42:19,438 INFO L130 PetriNetUnfolder]: For 112/120 co-relation queries the response was YES. [2021-03-26 10:42:19,438 INFO L84 FinitePrefix]: Finished finitePrefix Result has 262 conditions, 75 events. 20/75 cut-off events. For 112/120 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 263 event pairs, 4 based on Foata normal form. 2/77 useless extension candidates. Maximal degree in co-relation 247. Up to 33 conditions per place. [2021-03-26 10:42:19,439 INFO L142 LiptonReduction]: Number of co-enabled transitions 152 [2021-03-26 10:42:19,442 INFO L154 LiptonReduction]: Checked pairs total: 77 [2021-03-26 10:42:19,442 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 10:42:19,442 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 12 [2021-03-26 10:42:19,443 INFO L480 AbstractCegarLoop]: Abstraction has has 37 places, 28 transitions, 191 flow [2021-03-26 10:42:19,443 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 89.25) internal successors, (357), 4 states have internal predecessors, (357), 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 10:42:19,443 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 10:42:19,443 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 10:42:19,443 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-03-26 10:42:19,443 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 10:42:19,444 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 10:42:19,444 INFO L82 PathProgramCache]: Analyzing trace with hash 1855068305, now seen corresponding path program 1 times [2021-03-26 10:42:19,444 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 10:42:19,444 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [571175553] [2021-03-26 10:42:19,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 10:42:19,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 10:42:19,483 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:42:19,483 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:42:19,485 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:42:19,485 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 10:42:19,486 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 10:42:19,486 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [571175553] [2021-03-26 10:42:19,486 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 10:42:19,486 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-03-26 10:42:19,486 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1827061464] [2021-03-26 10:42:19,487 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-26 10:42:19,487 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 10:42:19,487 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-26 10:42:19,487 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-26 10:42:19,488 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 94 out of 116 [2021-03-26 10:42:19,488 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 37 places, 28 transitions, 191 flow. Second operand has 3 states, 3 states have (on average 94.66666666666667) internal successors, (284), 3 states have internal predecessors, (284), 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 10:42:19,488 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 10:42:19,488 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 94 of 116 [2021-03-26 10:42:19,489 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 10:42:19,508 INFO L129 PetriNetUnfolder]: 53/143 cut-off events. [2021-03-26 10:42:19,508 INFO L130 PetriNetUnfolder]: For 145/154 co-relation queries the response was YES. [2021-03-26 10:42:19,509 INFO L84 FinitePrefix]: Finished finitePrefix Result has 430 conditions, 143 events. 53/143 cut-off events. For 145/154 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 612 event pairs, 14 based on Foata normal form. 3/139 useless extension candidates. Maximal degree in co-relation 413. Up to 83 conditions per place. [2021-03-26 10:42:19,510 INFO L132 encePairwiseOnDemand]: 111/116 looper letters, 4 selfloop transitions, 4 changer transitions 0/31 dead transitions. [2021-03-26 10:42:19,510 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 39 places, 31 transitions, 213 flow [2021-03-26 10:42:19,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-26 10:42:19,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-26 10:42:19,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 291 transitions. [2021-03-26 10:42:19,511 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8362068965517241 [2021-03-26 10:42:19,512 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 291 transitions. [2021-03-26 10:42:19,512 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 291 transitions. [2021-03-26 10:42:19,512 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 10:42:19,512 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 291 transitions. [2021-03-26 10:42:19,513 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 97.0) internal successors, (291), 3 states have internal predecessors, (291), 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 10:42:19,514 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 116.0) internal successors, (464), 4 states have internal predecessors, (464), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:42:19,514 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 116.0) internal successors, (464), 4 states have internal predecessors, (464), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:42:19,514 INFO L185 Difference]: Start difference. First operand has 37 places, 28 transitions, 191 flow. Second operand 3 states and 291 transitions. [2021-03-26 10:42:19,514 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 39 places, 31 transitions, 213 flow [2021-03-26 10:42:19,516 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 39 places, 31 transitions, 213 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-03-26 10:42:19,517 INFO L241 Difference]: Finished difference. Result has 40 places, 31 transitions, 217 flow [2021-03-26 10:42:19,517 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=116, PETRI_DIFFERENCE_MINUEND_FLOW=191, PETRI_DIFFERENCE_MINUEND_PLACES=37, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=28, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=24, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=217, PETRI_PLACES=40, PETRI_TRANSITIONS=31} [2021-03-26 10:42:19,517 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, 8 predicate places. [2021-03-26 10:42:19,517 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 10:42:19,518 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 40 places, 31 transitions, 217 flow [2021-03-26 10:42:19,518 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 40 places, 31 transitions, 217 flow [2021-03-26 10:42:19,518 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 40 places, 31 transitions, 217 flow [2021-03-26 10:42:19,529 INFO L129 PetriNetUnfolder]: 54/147 cut-off events. [2021-03-26 10:42:19,530 INFO L130 PetriNetUnfolder]: For 170/181 co-relation queries the response was YES. [2021-03-26 10:42:19,530 INFO L84 FinitePrefix]: Finished finitePrefix Result has 465 conditions, 147 events. 54/147 cut-off events. For 170/181 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 679 event pairs, 15 based on Foata normal form. 2/144 useless extension candidates. Maximal degree in co-relation 447. Up to 83 conditions per place. [2021-03-26 10:42:19,532 INFO L142 LiptonReduction]: Number of co-enabled transitions 170 [2021-03-26 10:42:19,534 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 10:42:19,534 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 10:42:19,534 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 17 [2021-03-26 10:42:19,535 INFO L480 AbstractCegarLoop]: Abstraction has has 40 places, 31 transitions, 217 flow [2021-03-26 10:42:19,535 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 94.66666666666667) internal successors, (284), 3 states have internal predecessors, (284), 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 10:42:19,535 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 10:42:19,535 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 10:42:19,535 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-03-26 10:42:19,535 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 10:42:19,536 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 10:42:19,536 INFO L82 PathProgramCache]: Analyzing trace with hash -1022441513, now seen corresponding path program 1 times [2021-03-26 10:42:19,536 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 10:42:19,536 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [103791807] [2021-03-26 10:42:19,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 10:42:19,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 10:42:19,593 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:42:19,593 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:42:19,596 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:42:19,596 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:42:19,600 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:42:19,600 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 10:42:19,601 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 10:42:19,603 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [103791807] [2021-03-26 10:42:19,603 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 10:42:19,603 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-26 10:42:19,603 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1977512120] [2021-03-26 10:42:19,604 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-26 10:42:19,606 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 10:42:19,606 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-26 10:42:19,606 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-03-26 10:42:19,607 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 94 out of 116 [2021-03-26 10:42:19,608 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 40 places, 31 transitions, 217 flow. Second operand has 4 states, 4 states have (on average 94.75) internal successors, (379), 4 states have internal predecessors, (379), 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 10:42:19,608 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 10:42:19,608 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 94 of 116 [2021-03-26 10:42:19,608 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 10:42:19,636 INFO L129 PetriNetUnfolder]: 32/98 cut-off events. [2021-03-26 10:42:19,636 INFO L130 PetriNetUnfolder]: For 125/147 co-relation queries the response was YES. [2021-03-26 10:42:19,636 INFO L84 FinitePrefix]: Finished finitePrefix Result has 379 conditions, 98 events. 32/98 cut-off events. For 125/147 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 326 event pairs, 4 based on Foata normal form. 27/122 useless extension candidates. Maximal degree in co-relation 359. Up to 47 conditions per place. [2021-03-26 10:42:19,637 INFO L132 encePairwiseOnDemand]: 111/116 looper letters, 3 selfloop transitions, 7 changer transitions 2/34 dead transitions. [2021-03-26 10:42:19,637 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 43 places, 34 transitions, 251 flow [2021-03-26 10:42:19,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-26 10:42:19,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-03-26 10:42:19,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 388 transitions. [2021-03-26 10:42:19,638 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8362068965517241 [2021-03-26 10:42:19,639 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 388 transitions. [2021-03-26 10:42:19,639 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 388 transitions. [2021-03-26 10:42:19,639 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 10:42:19,639 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 388 transitions. [2021-03-26 10:42:19,640 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 97.0) internal successors, (388), 4 states have internal predecessors, (388), 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 10:42:19,641 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 116.0) internal successors, (580), 5 states have internal predecessors, (580), 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 10:42:19,642 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 116.0) internal successors, (580), 5 states have internal predecessors, (580), 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 10:42:19,642 INFO L185 Difference]: Start difference. First operand has 40 places, 31 transitions, 217 flow. Second operand 4 states and 388 transitions. [2021-03-26 10:42:19,642 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 43 places, 34 transitions, 251 flow [2021-03-26 10:42:19,644 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 42 places, 34 transitions, 247 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-03-26 10:42:19,645 INFO L241 Difference]: Finished difference. Result has 43 places, 32 transitions, 239 flow [2021-03-26 10:42:19,645 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=116, PETRI_DIFFERENCE_MINUEND_FLOW=213, PETRI_DIFFERENCE_MINUEND_PLACES=39, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=31, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=24, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=239, PETRI_PLACES=43, PETRI_TRANSITIONS=32} [2021-03-26 10:42:19,645 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, 11 predicate places. [2021-03-26 10:42:19,645 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 10:42:19,646 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 43 places, 32 transitions, 239 flow [2021-03-26 10:42:19,646 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 43 places, 32 transitions, 239 flow [2021-03-26 10:42:19,646 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 43 places, 32 transitions, 239 flow [2021-03-26 10:42:19,655 INFO L129 PetriNetUnfolder]: 26/88 cut-off events. [2021-03-26 10:42:19,655 INFO L130 PetriNetUnfolder]: For 140/158 co-relation queries the response was YES. [2021-03-26 10:42:19,655 INFO L84 FinitePrefix]: Finished finitePrefix Result has 345 conditions, 88 events. 26/88 cut-off events. For 140/158 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 315 event pairs, 4 based on Foata normal form. 4/91 useless extension candidates. Maximal degree in co-relation 325. Up to 41 conditions per place. [2021-03-26 10:42:19,656 INFO L142 LiptonReduction]: Number of co-enabled transitions 134 [2021-03-26 10:42:19,734 INFO L154 LiptonReduction]: Checked pairs total: 5 [2021-03-26 10:42:19,735 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 10:42:19,735 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 90 [2021-03-26 10:42:19,736 INFO L480 AbstractCegarLoop]: Abstraction has has 42 places, 31 transitions, 237 flow [2021-03-26 10:42:19,736 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 94.75) internal successors, (379), 4 states have internal predecessors, (379), 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 10:42:19,736 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 10:42:19,736 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 10:42:19,736 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-03-26 10:42:19,736 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 10:42:19,737 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 10:42:19,737 INFO L82 PathProgramCache]: Analyzing trace with hash 349161124, now seen corresponding path program 1 times [2021-03-26 10:42:19,737 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 10:42:19,737 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [522539934] [2021-03-26 10:42:19,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 10:42:19,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 10:42:19,773 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:42:19,773 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 10:42:19,774 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:42:19,774 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:42:19,777 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:42:19,777 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:42:19,783 INFO L142 QuantifierPusher]: treesize reduction 3, result has 85.0 percent of original size [2021-03-26 10:42:19,784 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 10:42:19,793 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 10:42:19,794 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [522539934] [2021-03-26 10:42:19,794 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 10:42:19,794 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-26 10:42:19,794 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1392807153] [2021-03-26 10:42:19,795 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-26 10:42:19,795 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 10:42:19,795 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-26 10:42:19,795 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-03-26 10:42:19,796 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 88 out of 117 [2021-03-26 10:42:19,797 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 42 places, 31 transitions, 237 flow. Second operand has 5 states, 5 states have (on average 89.4) internal successors, (447), 5 states have internal predecessors, (447), 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 10:42:19,797 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 10:42:19,797 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 88 of 117 [2021-03-26 10:42:19,797 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 10:42:19,843 INFO L129 PetriNetUnfolder]: 26/91 cut-off events. [2021-03-26 10:42:19,843 INFO L130 PetriNetUnfolder]: For 248/303 co-relation queries the response was YES. [2021-03-26 10:42:19,843 INFO L84 FinitePrefix]: Finished finitePrefix Result has 416 conditions, 91 events. 26/91 cut-off events. For 248/303 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 338 event pairs, 0 based on Foata normal form. 11/99 useless extension candidates. Maximal degree in co-relation 394. Up to 42 conditions per place. [2021-03-26 10:42:19,844 INFO L132 encePairwiseOnDemand]: 109/117 looper letters, 9 selfloop transitions, 15 changer transitions 7/44 dead transitions. [2021-03-26 10:42:19,844 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 47 places, 44 transitions, 409 flow [2021-03-26 10:42:19,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-26 10:42:19,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-03-26 10:42:19,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 548 transitions. [2021-03-26 10:42:19,846 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7806267806267806 [2021-03-26 10:42:19,846 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 548 transitions. [2021-03-26 10:42:19,846 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 548 transitions. [2021-03-26 10:42:19,846 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 10:42:19,846 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 548 transitions. [2021-03-26 10:42:19,848 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 91.33333333333333) internal successors, (548), 6 states have internal predecessors, (548), 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 10:42:19,849 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 117.0) internal successors, (819), 7 states have internal predecessors, (819), 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 10:42:19,850 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 117.0) internal successors, (819), 7 states have internal predecessors, (819), 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 10:42:19,850 INFO L185 Difference]: Start difference. First operand has 42 places, 31 transitions, 237 flow. Second operand 6 states and 548 transitions. [2021-03-26 10:42:19,850 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 47 places, 44 transitions, 409 flow [2021-03-26 10:42:19,851 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 45 places, 44 transitions, 395 flow, removed 3 selfloop flow, removed 2 redundant places. [2021-03-26 10:42:19,853 INFO L241 Difference]: Finished difference. Result has 49 places, 35 transitions, 330 flow [2021-03-26 10:42:19,853 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=117, PETRI_DIFFERENCE_MINUEND_FLOW=223, PETRI_DIFFERENCE_MINUEND_PLACES=40, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=31, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=16, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=330, PETRI_PLACES=49, PETRI_TRANSITIONS=35} [2021-03-26 10:42:19,853 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, 17 predicate places. [2021-03-26 10:42:19,853 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 10:42:19,854 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 49 places, 35 transitions, 330 flow [2021-03-26 10:42:19,854 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 49 places, 35 transitions, 330 flow [2021-03-26 10:42:19,854 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 47 places, 35 transitions, 330 flow [2021-03-26 10:42:19,860 INFO L129 PetriNetUnfolder]: 18/70 cut-off events. [2021-03-26 10:42:19,860 INFO L130 PetriNetUnfolder]: For 254/269 co-relation queries the response was YES. [2021-03-26 10:42:19,861 INFO L84 FinitePrefix]: Finished finitePrefix Result has 328 conditions, 70 events. 18/70 cut-off events. For 254/269 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 235 event pairs, 1 based on Foata normal form. 5/73 useless extension candidates. Maximal degree in co-relation 304. Up to 20 conditions per place. [2021-03-26 10:42:19,861 INFO L142 LiptonReduction]: Number of co-enabled transitions 120 [2021-03-26 10:42:19,863 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 10:42:19,863 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 10:42:19,864 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 11 [2021-03-26 10:42:19,868 INFO L480 AbstractCegarLoop]: Abstraction has has 47 places, 35 transitions, 330 flow [2021-03-26 10:42:19,868 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 89.4) internal successors, (447), 5 states have internal predecessors, (447), 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 10:42:19,868 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 10:42:19,869 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 10:42:19,869 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-03-26 10:42:19,869 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 10:42:19,869 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 10:42:19,869 INFO L82 PathProgramCache]: Analyzing trace with hash -42735439, now seen corresponding path program 1 times [2021-03-26 10:42:19,869 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 10:42:19,869 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [427915334] [2021-03-26 10:42:19,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 10:42:19,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 10:42:19,907 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:42:19,907 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:42:19,910 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:42:19,910 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:42:19,913 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:42:19,914 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:42:19,918 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 10:42:19,918 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [427915334] [2021-03-26 10:42:19,918 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 10:42:19,918 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-26 10:42:19,918 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [450449087] [2021-03-26 10:42:19,918 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-26 10:42:19,918 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 10:42:19,919 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-26 10:42:19,919 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-03-26 10:42:19,919 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 94 out of 117 [2021-03-26 10:42:19,920 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 47 places, 35 transitions, 330 flow. Second operand has 5 states, 5 states have (on average 94.8) internal successors, (474), 5 states have internal predecessors, (474), 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 10:42:19,920 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 10:42:19,920 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 94 of 117 [2021-03-26 10:42:19,920 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 10:42:19,948 INFO L129 PetriNetUnfolder]: 17/64 cut-off events. [2021-03-26 10:42:19,949 INFO L130 PetriNetUnfolder]: For 310/403 co-relation queries the response was YES. [2021-03-26 10:42:19,949 INFO L84 FinitePrefix]: Finished finitePrefix Result has 319 conditions, 64 events. 17/64 cut-off events. For 310/403 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 207 event pairs, 1 based on Foata normal form. 31/93 useless extension candidates. Maximal degree in co-relation 304. Up to 18 conditions per place. [2021-03-26 10:42:19,949 INFO L132 encePairwiseOnDemand]: 112/117 looper letters, 0 selfloop transitions, 0 changer transitions 34/34 dead transitions. [2021-03-26 10:42:19,949 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 50 places, 34 transitions, 332 flow [2021-03-26 10:42:19,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-26 10:42:19,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-26 10:42:19,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 480 transitions. [2021-03-26 10:42:19,952 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8205128205128205 [2021-03-26 10:42:19,952 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 480 transitions. [2021-03-26 10:42:19,952 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 480 transitions. [2021-03-26 10:42:19,952 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 10:42:19,952 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 480 transitions. [2021-03-26 10:42:19,953 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 96.0) internal successors, (480), 5 states have internal predecessors, (480), 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 10:42:19,956 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 117.0) internal successors, (702), 6 states have internal predecessors, (702), 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 10:42:19,956 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 117.0) internal successors, (702), 6 states have internal predecessors, (702), 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 10:42:19,956 INFO L185 Difference]: Start difference. First operand has 47 places, 35 transitions, 330 flow. Second operand 5 states and 480 transitions. [2021-03-26 10:42:19,956 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 50 places, 34 transitions, 332 flow [2021-03-26 10:42:19,959 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 46 places, 34 transitions, 310 flow, removed 0 selfloop flow, removed 4 redundant places. [2021-03-26 10:42:19,959 INFO L241 Difference]: Finished difference. Result has 46 places, 0 transitions, 0 flow [2021-03-26 10:42:19,959 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=117, PETRI_DIFFERENCE_MINUEND_FLOW=292, PETRI_DIFFERENCE_MINUEND_PLACES=42, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=34, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=34, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=0, PETRI_PLACES=46, PETRI_TRANSITIONS=0} [2021-03-26 10:42:19,960 INFO L343 CegarLoopForPetriNet]: 32 programPoint places, 14 predicate places. [2021-03-26 10:42:19,960 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 10:42:19,960 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 46 places, 0 transitions, 0 flow [2021-03-26 10:42:19,960 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 46 places, 0 transitions, 0 flow [2021-03-26 10:42:19,960 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 0 places, 0 transitions, 0 flow [2021-03-26 10:42:19,960 INFO L129 PetriNetUnfolder]: 0/0 cut-off events. [2021-03-26 10:42:19,961 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-26 10:42:19,961 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 10:42:19,961 INFO L142 LiptonReduction]: Number of co-enabled transitions 0 [2021-03-26 10:42:19,961 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 10:42:19,961 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 10:42:19,961 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1 [2021-03-26 10:42:19,962 INFO L480 AbstractCegarLoop]: Abstraction has has 0 places, 0 transitions, 0 flow [2021-03-26 10:42:19,963 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 94.8) internal successors, (474), 5 states have internal predecessors, (474), 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 10:42:19,963 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-03-26 10:42:19,966 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.03 10:42:19 BasicIcfg [2021-03-26 10:42:19,966 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-03-26 10:42:19,967 INFO L168 Benchmark]: Toolchain (without parser) took 4866.77 ms. Allocated memory was 255.9 MB in the beginning and 369.1 MB in the end (delta: 113.2 MB). Free memory was 234.4 MB in the beginning and 192.8 MB in the end (delta: 41.6 MB). Peak memory consumption was 153.8 MB. Max. memory is 16.0 GB. [2021-03-26 10:42:19,967 INFO L168 Benchmark]: CDTParser took 0.51 ms. Allocated memory is still 255.9 MB. Free memory is still 237.6 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-03-26 10:42:19,967 INFO L168 Benchmark]: CACSL2BoogieTranslator took 512.39 ms. Allocated memory was 255.9 MB in the beginning and 369.1 MB in the end (delta: 113.2 MB). Free memory was 234.4 MB in the beginning and 332.0 MB in the end (delta: -97.5 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.0 GB. [2021-03-26 10:42:19,968 INFO L168 Benchmark]: Boogie Procedure Inliner took 54.63 ms. Allocated memory is still 369.1 MB. Free memory was 332.0 MB in the beginning and 329.7 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-03-26 10:42:19,968 INFO L168 Benchmark]: Boogie Preprocessor took 30.55 ms. Allocated memory is still 369.1 MB. Free memory was 329.7 MB in the beginning and 328.2 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-03-26 10:42:19,968 INFO L168 Benchmark]: RCFGBuilder took 473.24 ms. Allocated memory is still 369.1 MB. Free memory was 328.2 MB in the beginning and 306.8 MB in the end (delta: 21.4 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.0 GB. [2021-03-26 10:42:19,969 INFO L168 Benchmark]: TraceAbstraction took 3791.53 ms. Allocated memory is still 369.1 MB. Free memory was 306.1 MB in the beginning and 192.8 MB in the end (delta: 113.3 MB). Peak memory consumption was 113.7 MB. Max. memory is 16.0 GB. [2021-03-26 10:42:19,970 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.51 ms. Allocated memory is still 255.9 MB. Free memory is still 237.6 MB. There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 512.39 ms. Allocated memory was 255.9 MB in the beginning and 369.1 MB in the end (delta: 113.2 MB). Free memory was 234.4 MB in the beginning and 332.0 MB in the end (delta: -97.5 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 54.63 ms. Allocated memory is still 369.1 MB. Free memory was 332.0 MB in the beginning and 329.7 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 30.55 ms. Allocated memory is still 369.1 MB. Free memory was 329.7 MB in the beginning and 328.2 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 473.24 ms. Allocated memory is still 369.1 MB. Free memory was 328.2 MB in the beginning and 306.8 MB in the end (delta: 21.4 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.0 GB. * TraceAbstraction took 3791.53 ms. Allocated memory is still 369.1 MB. Free memory was 306.1 MB in the beginning and 192.8 MB in the end (delta: 113.3 MB). Peak memory consumption was 113.7 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1633.9ms, 68 PlacesBefore, 32 PlacesAfterwards, 59 TransitionsBefore, 22 TransitionsAfterwards, 864 CoEnabledTransitionPairs, 4 FixpointIterations, 14 TrivialSequentialCompositions, 22 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 1 ChoiceCompositions, 37 TotalNumberOfCompositions, 972 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 604, positive: 572, positive conditional: 572, positive unconditional: 0, negative: 32, negative conditional: 32, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 604, positive: 572, positive conditional: 0, positive unconditional: 572, negative: 32, negative conditional: 0, negative unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 604, positive: 572, positive conditional: 0, positive unconditional: 572, negative: 32, negative conditional: 0, negative unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 520, positive: 498, positive conditional: 0, positive unconditional: 498, negative: 22, negative conditional: 0, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 520, positive: 490, positive conditional: 0, positive unconditional: 490, negative: 30, negative conditional: 0, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 30, positive: 8, positive conditional: 0, positive unconditional: 8, negative: 22, negative conditional: 0, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 123, positive: 42, positive conditional: 0, positive unconditional: 42, negative: 81, negative conditional: 0, negative unconditional: 81, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 604, positive: 74, positive conditional: 0, positive unconditional: 74, negative: 10, negative conditional: 0, negative unconditional: 10, unknown: 520, unknown conditional: 0, unknown unconditional: 520] , Statistics on independence cache: Total cache size (in pairs): 520, Positive cache size: 498, Positive conditional cache size: 0, Positive unconditional cache size: 498, Negative cache size: 22, Negative conditional cache size: 0, Negative unconditional cache size: 22, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 819.4ms, 35 PlacesBefore, 30 PlacesAfterwards, 26 TransitionsBefore, 21 TransitionsAfterwards, 190 CoEnabledTransitionPairs, 3 FixpointIterations, 3 TrivialSequentialCompositions, 2 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 5 TotalNumberOfCompositions, 204 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 79, positive: 66, positive conditional: 66, 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: 79, positive: 66, positive conditional: 0, positive unconditional: 66, 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: 79, positive: 66, positive conditional: 0, positive unconditional: 66, 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: 34, positive: 30, positive conditional: 0, positive unconditional: 30, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 34, positive: 30, positive conditional: 0, positive unconditional: 30, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 4, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 16, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 16, negative conditional: 0, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 79, positive: 36, positive conditional: 0, positive unconditional: 36, negative: 9, negative conditional: 0, negative unconditional: 9, unknown: 34, unknown conditional: 0, unknown unconditional: 34] , Statistics on independence cache: Total cache size (in pairs): 554, Positive cache size: 528, Positive conditional cache size: 0, Positive unconditional cache size: 528, Negative cache size: 26, Negative conditional cache size: 0, Negative unconditional cache size: 26, Eliminated conditions: 11 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 18.0ms, 32 PlacesBefore, 32 PlacesAfterwards, 21 TransitionsBefore, 21 TransitionsAfterwards, 132 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 23 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 2, negative conditional: 2, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.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] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.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] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 5, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 1, unknown conditional: 0, unknown unconditional: 1] , Statistics on independence cache: Total cache size (in pairs): 555, Positive cache size: 528, Positive conditional cache size: 0, Positive unconditional cache size: 528, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 10.9ms, 37 PlacesBefore, 37 PlacesAfterwards, 28 TransitionsBefore, 28 TransitionsAfterwards, 152 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 77 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 15, positive: 10, positive conditional: 10, positive unconditional: 0, negative: 5, negative conditional: 5, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 15, positive: 10, positive conditional: 0, positive unconditional: 10, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 15, positive: 10, positive conditional: 0, positive unconditional: 10, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 6, positive: 6, positive conditional: 0, positive unconditional: 6, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 6, positive: 6, positive conditional: 0, positive unconditional: 6, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 15, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 6, unknown conditional: 0, unknown unconditional: 6] , Statistics on independence cache: Total cache size (in pairs): 561, Positive cache size: 534, Positive conditional cache size: 0, Positive unconditional cache size: 534, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 3 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 15.9ms, 40 PlacesBefore, 40 PlacesAfterwards, 31 TransitionsBefore, 31 TransitionsAfterwards, 170 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): 561, Positive cache size: 534, Positive conditional cache size: 0, Positive unconditional cache size: 534, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 89.0ms, 43 PlacesBefore, 42 PlacesAfterwards, 32 TransitionsBefore, 31 TransitionsAfterwards, 134 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 5 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 5, positive: 5, positive conditional: 5, 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: 5, positive: 5, positive conditional: 0, positive unconditional: 5, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 5, positive: 5, positive conditional: 0, positive unconditional: 5, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 5, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 1, unknown conditional: 0, unknown unconditional: 1] , Statistics on independence cache: Total cache size (in pairs): 562, Positive cache size: 535, Positive conditional cache size: 0, Positive unconditional cache size: 535, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 2 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 9.7ms, 49 PlacesBefore, 47 PlacesAfterwards, 35 TransitionsBefore, 35 TransitionsAfterwards, 120 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): 562, Positive cache size: 535, Positive conditional cache size: 0, Positive unconditional cache size: 535, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.7ms, 46 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): 562, Positive cache size: 535, Positive conditional cache size: 0, Positive unconditional cache size: 535, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - PositiveResult [Line: 18]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 73 locations, 1 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 4.3ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: SAFE, OverallTime: 3686.9ms, OverallIterations: 7, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 338.6ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 1718.9ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 40 SDtfs, 14 SDslu, 19 SDs, 0 SdLazy, 71 SolverSat, 28 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 69.2ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 20 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 67.1ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=330occurred in iteration=6, InterpolantAutomatonStates: 29, 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: 18.9ms SsaConstructionTime, 130.0ms SatisfiabilityAnalysisTime, 338.6ms InterpolantComputationTime, 94 NumberOfCodeBlocks, 94 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 87 ConstructedInterpolants, 0 QuantifiedInterpolants, 443 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! Received shutdown request...