/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/mix032_tso.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-d5b4239aa45c8d22a30959944f2ef622f7386a6d-d5b4239 [2021-03-26 10:05:04,276 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-03-26 10:05:04,278 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-03-26 10:05:04,295 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-03-26 10:05:04,295 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-03-26 10:05:04,296 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-03-26 10:05:04,297 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-03-26 10:05:04,298 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-03-26 10:05:04,299 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-03-26 10:05:04,300 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-03-26 10:05:04,300 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-03-26 10:05:04,301 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-03-26 10:05:04,301 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-03-26 10:05:04,302 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-03-26 10:05:04,302 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-03-26 10:05:04,303 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-03-26 10:05:04,304 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-03-26 10:05:04,304 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-03-26 10:05:04,305 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-03-26 10:05:04,306 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-03-26 10:05:04,307 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-03-26 10:05:04,308 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-03-26 10:05:04,308 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-03-26 10:05:04,309 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-03-26 10:05:04,310 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-03-26 10:05:04,315 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-03-26 10:05:04,315 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-03-26 10:05:04,316 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-03-26 10:05:04,316 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 10:05:04,330 INFO L113 SettingsManager]: Loading preferences was successful [2021-03-26 10:05:04,330 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-03-26 10:05:04,331 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-03-26 10:05:04,331 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-03-26 10:05:04,331 INFO L138 SettingsManager]: * Use SBE=true [2021-03-26 10:05:04,331 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-03-26 10:05:04,331 INFO L138 SettingsManager]: * sizeof long=4 [2021-03-26 10:05:04,332 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-03-26 10:05:04,332 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-03-26 10:05:04,332 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-03-26 10:05:04,332 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-03-26 10:05:04,332 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-03-26 10:05:04,332 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-03-26 10:05:04,332 INFO L138 SettingsManager]: * sizeof long double=12 [2021-03-26 10:05:04,332 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-03-26 10:05:04,332 INFO L138 SettingsManager]: * Use constant arrays=true [2021-03-26 10:05:04,333 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-03-26 10:05:04,333 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-03-26 10:05:04,333 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-03-26 10:05:04,333 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-03-26 10:05:04,333 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-03-26 10:05:04,333 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-26 10:05:04,333 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-03-26 10:05:04,333 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-03-26 10:05:04,333 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-03-26 10:05:04,334 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-03-26 10:05:04,334 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-03-26 10:05:04,334 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=SEMANTIC_BASED_MOVER_CHECK_WITH_PREDICATES_DISJUNCTIVE [2021-03-26 10:05:04,334 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-03-26 10:05:04,334 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-03-26 10:05:04,334 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-03-26 10:05:04,556 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-03-26 10:05:04,570 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-03-26 10:05:04,572 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-03-26 10:05:04,573 INFO L271 PluginConnector]: Initializing CDTParser... [2021-03-26 10:05:04,573 INFO L275 PluginConnector]: CDTParser initialized [2021-03-26 10:05:04,573 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix032_tso.opt.i [2021-03-26 10:05:04,622 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7400ea1c9/df83d4990bef47598a4cf9274a557ce2/FLAGc7f0492c6 [2021-03-26 10:05:04,990 INFO L306 CDTParser]: Found 1 translation units. [2021-03-26 10:05:04,991 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix032_tso.opt.i [2021-03-26 10:05:04,999 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7400ea1c9/df83d4990bef47598a4cf9274a557ce2/FLAGc7f0492c6 [2021-03-26 10:05:05,356 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7400ea1c9/df83d4990bef47598a4cf9274a557ce2 [2021-03-26 10:05:05,357 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-03-26 10:05:05,358 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-03-26 10:05:05,361 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-03-26 10:05:05,361 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-03-26 10:05:05,363 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-03-26 10:05:05,364 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.03 10:05:05" (1/1) ... [2021-03-26 10:05:05,365 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@32cf33d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 10:05:05, skipping insertion in model container [2021-03-26 10:05:05,365 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.03 10:05:05" (1/1) ... [2021-03-26 10:05:05,369 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-03-26 10:05:05,404 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-03-26 10:05:05,489 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/mix032_tso.opt.i[948,961] [2021-03-26 10:05:05,654 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-26 10:05:05,661 INFO L203 MainTranslator]: Completed pre-run [2021-03-26 10:05:05,670 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/mix032_tso.opt.i[948,961] [2021-03-26 10:05:05,701 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-26 10:05:05,743 INFO L208 MainTranslator]: Completed translation [2021-03-26 10:05:05,743 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 10:05:05 WrapperNode [2021-03-26 10:05:05,743 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-03-26 10:05:05,744 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-03-26 10:05:05,744 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-03-26 10:05:05,744 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-03-26 10:05:05,748 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 10:05:05" (1/1) ... [2021-03-26 10:05:05,758 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 10:05:05" (1/1) ... [2021-03-26 10:05:05,773 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-03-26 10:05:05,774 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-03-26 10:05:05,774 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-03-26 10:05:05,774 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-03-26 10:05:05,779 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 10:05:05" (1/1) ... [2021-03-26 10:05:05,779 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 10:05:05" (1/1) ... [2021-03-26 10:05:05,782 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 10:05:05" (1/1) ... [2021-03-26 10:05:05,782 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 10:05:05" (1/1) ... [2021-03-26 10:05:05,787 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 10:05:05" (1/1) ... [2021-03-26 10:05:05,789 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 10:05:05" (1/1) ... [2021-03-26 10:05:05,791 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 10:05:05" (1/1) ... [2021-03-26 10:05:05,793 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-03-26 10:05:05,793 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-03-26 10:05:05,793 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-03-26 10:05:05,794 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-03-26 10:05:05,794 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 10:05:05" (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 10:05:05,842 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-03-26 10:05:05,842 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-03-26 10:05:05,843 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-03-26 10:05:05,843 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-03-26 10:05:05,843 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-03-26 10:05:05,843 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-03-26 10:05:05,843 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-03-26 10:05:05,843 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-03-26 10:05:05,843 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-03-26 10:05:05,843 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-03-26 10:05:05,843 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-03-26 10:05:05,843 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-03-26 10:05:05,844 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-03-26 10:05:05,844 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-03-26 10:05:05,845 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 10:05:06,858 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-03-26 10:05:06,859 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-03-26 10:05:06,861 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.03 10:05:06 BoogieIcfgContainer [2021-03-26 10:05:06,862 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-03-26 10:05:06,863 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-03-26 10:05:06,863 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-03-26 10:05:06,864 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-03-26 10:05:06,865 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.03 10:05:05" (1/3) ... [2021-03-26 10:05:06,865 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54e0632b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.03 10:05:06, skipping insertion in model container [2021-03-26 10:05:06,865 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 10:05:05" (2/3) ... [2021-03-26 10:05:06,866 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54e0632b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.03 10:05:06, skipping insertion in model container [2021-03-26 10:05:06,866 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.03 10:05:06" (3/3) ... [2021-03-26 10:05:06,867 INFO L111 eAbstractionObserver]: Analyzing ICFG mix032_tso.opt.i [2021-03-26 10:05:06,871 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-03-26 10:05:06,874 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2021-03-26 10:05:06,874 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-03-26 10:05:06,899 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:06,899 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:06,899 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:06,900 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:06,900 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:06,900 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:06,900 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:06,900 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:06,900 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:06,900 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:06,900 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:06,900 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:06,901 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:06,901 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:06,901 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:06,901 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:06,901 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:06,901 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:06,901 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:06,901 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:06,901 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:06,901 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:06,902 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:06,902 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:06,902 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:06,902 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:06,902 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:06,903 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:06,903 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:06,903 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:06,903 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:06,903 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:06,903 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:06,903 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:06,904 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:06,904 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:06,904 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:06,904 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:06,904 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:06,905 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:06,905 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:06,905 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:06,905 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:06,905 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:06,905 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:06,905 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:06,905 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:06,905 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:06,905 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:06,905 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:06,905 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:06,906 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:06,906 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:06,906 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:06,906 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:06,906 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:06,906 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:06,906 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:06,907 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:06,907 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:06,907 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:06,907 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:06,908 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:06,908 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:06,908 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:06,908 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:06,908 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:06,908 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:06,908 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:06,908 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:06,908 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:06,908 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:06,909 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:06,909 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:06,909 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:06,909 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:06,909 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:06,909 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:06,909 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:06,909 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:06,909 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:06,909 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:06,910 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:06,910 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:06,910 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:06,910 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:06,910 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:06,910 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:06,910 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:06,910 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:06,910 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:06,910 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:06,911 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:06,911 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:06,911 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:06,911 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:06,912 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:06,913 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:06,913 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:06,915 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:06,915 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:06,915 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:06,916 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:06,919 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:06,919 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:06,919 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:06,919 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:06,919 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:06,919 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:06,919 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:06,919 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:06,919 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:06,920 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:06,920 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:06,920 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:06,920 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:06,921 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:06,921 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:06,921 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:06,921 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:06,921 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:06,921 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:06,921 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:06,921 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:06,921 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:06,921 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:06,921 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:06,921 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:06,921 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:06,922 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:06,922 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:06,922 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:06,922 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:06,922 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:06,924 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:06,925 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:06,925 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:06,925 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:06,925 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:06,925 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:06,925 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:06,925 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:06,925 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:06,925 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:06,925 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:06,925 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:06,925 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:06,925 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:06,926 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:06,926 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:06,926 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:06,926 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:06,926 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:06,926 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:06,926 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:06,926 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:06,926 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:06,926 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:06,926 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:06,927 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:06,927 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:06,928 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:06,928 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:06,928 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:06,929 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:06,929 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:06,929 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:06,930 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:06,930 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:06,930 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:06,930 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:06,930 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:06,930 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:06,931 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:06,931 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:06,931 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:06,931 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:06,932 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-03-26 10:05:06,943 INFO L253 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2021-03-26 10:05:06,968 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-03-26 10:05:06,968 INFO L377 AbstractCegarLoop]: Hoare is false [2021-03-26 10:05:06,968 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-03-26 10:05:06,968 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-03-26 10:05:06,968 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-03-26 10:05:06,968 INFO L381 AbstractCegarLoop]: Difference is false [2021-03-26 10:05:06,968 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-03-26 10:05:06,968 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-03-26 10:05:06,975 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 113 places, 105 transitions, 225 flow [2021-03-26 10:05:06,998 INFO L129 PetriNetUnfolder]: 2/102 cut-off events. [2021-03-26 10:05:06,998 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-26 10:05:07,001 INFO L84 FinitePrefix]: Finished finitePrefix Result has 112 conditions, 102 events. 2/102 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 70 event pairs, 0 based on Foata normal form. 0/98 useless extension candidates. Maximal degree in co-relation 63. Up to 2 conditions per place. [2021-03-26 10:05:07,001 INFO L82 GeneralOperation]: Start removeDead. Operand has 113 places, 105 transitions, 225 flow [2021-03-26 10:05:07,003 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 110 places, 102 transitions, 213 flow [2021-03-26 10:05:07,004 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 10:05:07,013 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 110 places, 102 transitions, 213 flow [2021-03-26 10:05:07,014 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 110 places, 102 transitions, 213 flow [2021-03-26 10:05:07,015 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 110 places, 102 transitions, 213 flow [2021-03-26 10:05:07,038 INFO L129 PetriNetUnfolder]: 2/102 cut-off events. [2021-03-26 10:05:07,038 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-26 10:05:07,039 INFO L84 FinitePrefix]: Finished finitePrefix Result has 112 conditions, 102 events. 2/102 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 75 event pairs, 0 based on Foata normal form. 0/98 useless extension candidates. Maximal degree in co-relation 63. Up to 2 conditions per place. [2021-03-26 10:05:07,041 INFO L142 LiptonReduction]: Number of co-enabled transitions 1832 [2021-03-26 10:05:08,086 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 58 [2021-03-26 10:05:08,419 WARN L205 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 81 [2021-03-26 10:05:08,546 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2021-03-26 10:05:09,330 INFO L154 LiptonReduction]: Checked pairs total: 2848 [2021-03-26 10:05:09,330 INFO L156 LiptonReduction]: Total number of compositions: 71 [2021-03-26 10:05:09,332 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2328 [2021-03-26 10:05:09,339 INFO L129 PetriNetUnfolder]: 0/27 cut-off events. [2021-03-26 10:05:09,339 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-26 10:05:09,339 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 10:05:09,340 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 10:05:09,340 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 10:05:09,343 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 10:05:09,343 INFO L82 PathProgramCache]: Analyzing trace with hash -81098595, now seen corresponding path program 1 times [2021-03-26 10:05:09,348 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 10:05:09,348 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [911444991] [2021-03-26 10:05:09,348 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 10:05:09,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 10:05:09,513 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:05:09,514 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 10:05:09,514 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:05:09,515 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:05:09,522 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 10:05:09,522 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [911444991] [2021-03-26 10:05:09,523 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 10:05:09,523 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-03-26 10:05:09,523 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1725460831] [2021-03-26 10:05:09,528 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-26 10:05:09,528 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 10:05:09,535 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-26 10:05:09,538 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-26 10:05:09,549 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 157 out of 176 [2021-03-26 10:05:09,553 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 50 places, 41 transitions, 91 flow. Second operand has 3 states, 3 states have (on average 157.66666666666666) internal successors, (473), 3 states have internal predecessors, (473), 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 10:05:09,553 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 10:05:09,553 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 157 of 176 [2021-03-26 10:05:09,554 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 10:05:09,597 INFO L129 PetriNetUnfolder]: 9/78 cut-off events. [2021-03-26 10:05:09,597 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-26 10:05:09,598 INFO L84 FinitePrefix]: Finished finitePrefix Result has 110 conditions, 78 events. 9/78 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 213 event pairs, 3 based on Foata normal form. 6/76 useless extension candidates. Maximal degree in co-relation 88. Up to 17 conditions per place. [2021-03-26 10:05:09,599 INFO L132 encePairwiseOnDemand]: 172/176 looper letters, 5 selfloop transitions, 2 changer transitions 0/40 dead transitions. [2021-03-26 10:05:09,599 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 50 places, 40 transitions, 103 flow [2021-03-26 10:05:09,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-26 10:05:09,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-26 10:05:09,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 481 transitions. [2021-03-26 10:05:09,614 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.9109848484848485 [2021-03-26 10:05:09,614 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 481 transitions. [2021-03-26 10:05:09,614 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 481 transitions. [2021-03-26 10:05:09,617 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 10:05:09,618 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 481 transitions. [2021-03-26 10:05:09,621 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 160.33333333333334) internal successors, (481), 3 states have internal predecessors, (481), 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 10:05:09,631 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 176.0) internal successors, (704), 4 states have internal predecessors, (704), 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 10:05:09,632 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 176.0) internal successors, (704), 4 states have internal predecessors, (704), 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 10:05:09,633 INFO L185 Difference]: Start difference. First operand has 50 places, 41 transitions, 91 flow. Second operand 3 states and 481 transitions. [2021-03-26 10:05:09,633 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 50 places, 40 transitions, 103 flow [2021-03-26 10:05:09,637 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 47 places, 40 transitions, 100 flow, removed 0 selfloop flow, removed 3 redundant places. [2021-03-26 10:05:09,638 INFO L241 Difference]: Finished difference. Result has 47 places, 38 transitions, 86 flow [2021-03-26 10:05:09,639 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=176, PETRI_DIFFERENCE_MINUEND_FLOW=82, PETRI_DIFFERENCE_MINUEND_PLACES=45, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=38, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=36, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=86, PETRI_PLACES=47, PETRI_TRANSITIONS=38} [2021-03-26 10:05:09,640 INFO L343 CegarLoopForPetriNet]: 50 programPoint places, -3 predicate places. [2021-03-26 10:05:09,640 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 10:05:09,640 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 47 places, 38 transitions, 86 flow [2021-03-26 10:05:09,641 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 47 places, 38 transitions, 86 flow [2021-03-26 10:05:09,641 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 47 places, 38 transitions, 86 flow [2021-03-26 10:05:09,645 INFO L129 PetriNetUnfolder]: 0/38 cut-off events. [2021-03-26 10:05:09,645 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-26 10:05:09,645 INFO L84 FinitePrefix]: Finished finitePrefix Result has 48 conditions, 38 events. 0/38 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 40 event pairs, 0 based on Foata normal form. 0/36 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2021-03-26 10:05:09,646 INFO L142 LiptonReduction]: Number of co-enabled transitions 326 [2021-03-26 10:05:11,044 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-03-26 10:05:11,142 INFO L154 LiptonReduction]: Checked pairs total: 1698 [2021-03-26 10:05:11,142 INFO L156 LiptonReduction]: Total number of compositions: 14 [2021-03-26 10:05:11,142 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1502 [2021-03-26 10:05:11,143 INFO L480 AbstractCegarLoop]: Abstraction has has 33 places, 24 transitions, 58 flow [2021-03-26 10:05:11,143 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 157.66666666666666) internal successors, (473), 3 states have internal predecessors, (473), 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 10:05:11,143 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 10:05:11,143 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 10:05:11,143 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-03-26 10:05:11,144 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 10:05:11,144 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 10:05:11,144 INFO L82 PathProgramCache]: Analyzing trace with hash 2060627892, now seen corresponding path program 1 times [2021-03-26 10:05:11,144 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 10:05:11,144 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1289744575] [2021-03-26 10:05:11,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 10:05:11,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 10:05:11,229 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:05:11,230 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 10:05:11,233 INFO L142 QuantifierPusher]: treesize reduction 3, result has 87.5 percent of original size [2021-03-26 10:05:11,234 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 10:05:11,243 INFO L142 QuantifierPusher]: treesize reduction 9, result has 30.8 percent of original size [2021-03-26 10:05:11,243 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-26 10:05:11,248 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 10:05:11,248 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1289744575] [2021-03-26 10:05:11,248 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 10:05:11,248 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-26 10:05:11,248 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1127675713] [2021-03-26 10:05:11,249 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-26 10:05:11,249 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 10:05:11,250 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-26 10:05:11,251 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-26 10:05:11,252 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 148 out of 190 [2021-03-26 10:05:11,253 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 33 places, 24 transitions, 58 flow. Second operand has 4 states, 4 states have (on average 149.0) internal successors, (596), 4 states have internal predecessors, (596), 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 10:05:11,253 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 10:05:11,253 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 148 of 190 [2021-03-26 10:05:11,253 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 10:05:11,319 INFO L129 PetriNetUnfolder]: 92/215 cut-off events. [2021-03-26 10:05:11,319 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-26 10:05:11,320 INFO L84 FinitePrefix]: Finished finitePrefix Result has 388 conditions, 215 events. 92/215 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 38. Compared 1025 event pairs, 26 based on Foata normal form. 0/192 useless extension candidates. Maximal degree in co-relation 378. Up to 81 conditions per place. [2021-03-26 10:05:11,321 INFO L132 encePairwiseOnDemand]: 182/190 looper letters, 6 selfloop transitions, 4 changer transitions 12/38 dead transitions. [2021-03-26 10:05:11,321 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 37 places, 38 transitions, 130 flow [2021-03-26 10:05:11,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-26 10:05:11,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-26 10:05:11,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 763 transitions. [2021-03-26 10:05:11,322 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8031578947368421 [2021-03-26 10:05:11,323 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 763 transitions. [2021-03-26 10:05:11,323 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 763 transitions. [2021-03-26 10:05:11,323 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 10:05:11,323 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 763 transitions. [2021-03-26 10:05:11,324 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 152.6) internal successors, (763), 5 states have internal predecessors, (763), 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 10:05:11,326 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 190.0) internal successors, (1140), 6 states have internal predecessors, (1140), 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 10:05:11,326 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 190.0) internal successors, (1140), 6 states have internal predecessors, (1140), 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 10:05:11,326 INFO L185 Difference]: Start difference. First operand has 33 places, 24 transitions, 58 flow. Second operand 5 states and 763 transitions. [2021-03-26 10:05:11,326 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 37 places, 38 transitions, 130 flow [2021-03-26 10:05:11,327 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 35 places, 38 transitions, 126 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-03-26 10:05:11,327 INFO L241 Difference]: Finished difference. Result has 37 places, 26 transitions, 88 flow [2021-03-26 10:05:11,327 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=190, PETRI_DIFFERENCE_MINUEND_FLOW=54, PETRI_DIFFERENCE_MINUEND_PLACES=31, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=24, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=20, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=88, PETRI_PLACES=37, PETRI_TRANSITIONS=26} [2021-03-26 10:05:11,328 INFO L343 CegarLoopForPetriNet]: 50 programPoint places, -13 predicate places. [2021-03-26 10:05:11,328 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 10:05:11,328 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 37 places, 26 transitions, 88 flow [2021-03-26 10:05:11,328 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 37 places, 26 transitions, 88 flow [2021-03-26 10:05:11,329 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 34 places, 26 transitions, 88 flow [2021-03-26 10:05:11,336 INFO L129 PetriNetUnfolder]: 38/102 cut-off events. [2021-03-26 10:05:11,336 INFO L130 PetriNetUnfolder]: For 30/30 co-relation queries the response was YES. [2021-03-26 10:05:11,336 INFO L84 FinitePrefix]: Finished finitePrefix Result has 223 conditions, 102 events. 38/102 cut-off events. For 30/30 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 363 event pairs, 18 based on Foata normal form. 0/92 useless extension candidates. Maximal degree in co-relation 213. Up to 59 conditions per place. [2021-03-26 10:05:11,337 INFO L142 LiptonReduction]: Number of co-enabled transitions 246 [2021-03-26 10:05:11,680 WARN L205 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 124 [2021-03-26 10:05:11,838 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2021-03-26 10:05:12,168 WARN L205 SmtUtils]: Spent 328.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 124 [2021-03-26 10:05:12,326 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2021-03-26 10:05:12,329 INFO L154 LiptonReduction]: Checked pairs total: 306 [2021-03-26 10:05:12,329 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 10:05:12,329 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1001 [2021-03-26 10:05:12,330 INFO L480 AbstractCegarLoop]: Abstraction has has 33 places, 25 transitions, 86 flow [2021-03-26 10:05:12,330 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 149.0) internal successors, (596), 4 states have internal predecessors, (596), 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 10:05:12,331 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 10:05:12,331 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 10:05:12,331 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-03-26 10:05:12,331 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 10:05:12,331 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 10:05:12,331 INFO L82 PathProgramCache]: Analyzing trace with hash 1725834267, now seen corresponding path program 1 times [2021-03-26 10:05:12,331 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 10:05:12,331 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1750449305] [2021-03-26 10:05:12,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 10:05:12,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 10:05:12,404 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:05:12,405 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:05:12,410 INFO L142 QuantifierPusher]: treesize reduction 3, result has 87.5 percent of original size [2021-03-26 10:05:12,413 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 10:05:12,421 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 10:05:12,421 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1750449305] [2021-03-26 10:05:12,421 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 10:05:12,421 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-03-26 10:05:12,421 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [328694214] [2021-03-26 10:05:12,421 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-26 10:05:12,421 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 10:05:12,422 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-26 10:05:12,422 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-03-26 10:05:12,423 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 152 out of 191 [2021-03-26 10:05:12,423 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 33 places, 25 transitions, 86 flow. Second operand has 4 states, 4 states have (on average 152.75) internal successors, (611), 4 states have internal predecessors, (611), 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 10:05:12,423 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 10:05:12,423 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 152 of 191 [2021-03-26 10:05:12,424 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 10:05:12,448 INFO L129 PetriNetUnfolder]: 36/104 cut-off events. [2021-03-26 10:05:12,449 INFO L130 PetriNetUnfolder]: For 50/77 co-relation queries the response was YES. [2021-03-26 10:05:12,449 INFO L84 FinitePrefix]: Finished finitePrefix Result has 278 conditions, 104 events. 36/104 cut-off events. For 50/77 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 386 event pairs, 18 based on Foata normal form. 5/106 useless extension candidates. Maximal degree in co-relation 267. Up to 59 conditions per place. [2021-03-26 10:05:12,450 INFO L132 encePairwiseOnDemand]: 188/191 looper letters, 10 selfloop transitions, 3 changer transitions 0/28 dead transitions. [2021-03-26 10:05:12,450 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 35 places, 28 transitions, 128 flow [2021-03-26 10:05:12,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-26 10:05:12,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-26 10:05:12,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 467 transitions. [2021-03-26 10:05:12,455 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8150087260034904 [2021-03-26 10:05:12,455 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 467 transitions. [2021-03-26 10:05:12,455 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 467 transitions. [2021-03-26 10:05:12,456 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 10:05:12,456 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 467 transitions. [2021-03-26 10:05:12,457 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 155.66666666666666) internal successors, (467), 3 states have internal predecessors, (467), 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 10:05:12,457 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 191.0) internal successors, (764), 4 states have internal predecessors, (764), 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 10:05:12,458 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 191.0) internal successors, (764), 4 states have internal predecessors, (764), 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 10:05:12,458 INFO L185 Difference]: Start difference. First operand has 33 places, 25 transitions, 86 flow. Second operand 3 states and 467 transitions. [2021-03-26 10:05:12,458 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 35 places, 28 transitions, 128 flow [2021-03-26 10:05:12,459 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 34 places, 28 transitions, 124 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-03-26 10:05:12,459 INFO L241 Difference]: Finished difference. Result has 35 places, 25 transitions, 93 flow [2021-03-26 10:05:12,459 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=191, PETRI_DIFFERENCE_MINUEND_FLOW=82, PETRI_DIFFERENCE_MINUEND_PLACES=32, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=25, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=22, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=93, PETRI_PLACES=35, PETRI_TRANSITIONS=25} [2021-03-26 10:05:12,459 INFO L343 CegarLoopForPetriNet]: 50 programPoint places, -15 predicate places. [2021-03-26 10:05:12,459 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 10:05:12,460 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 35 places, 25 transitions, 93 flow [2021-03-26 10:05:12,460 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 35 places, 25 transitions, 93 flow [2021-03-26 10:05:12,460 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 35 places, 25 transitions, 93 flow [2021-03-26 10:05:12,467 INFO L129 PetriNetUnfolder]: 28/96 cut-off events. [2021-03-26 10:05:12,467 INFO L130 PetriNetUnfolder]: For 37/40 co-relation queries the response was YES. [2021-03-26 10:05:12,467 INFO L84 FinitePrefix]: Finished finitePrefix Result has 209 conditions, 96 events. 28/96 cut-off events. For 37/40 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 376 event pairs, 22 based on Foata normal form. 0/90 useless extension candidates. Maximal degree in co-relation 198. Up to 50 conditions per place. [2021-03-26 10:05:12,468 INFO L142 LiptonReduction]: Number of co-enabled transitions 244 [2021-03-26 10:05:12,470 INFO L154 LiptonReduction]: Checked pairs total: 140 [2021-03-26 10:05:12,470 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 10:05:12,470 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 11 [2021-03-26 10:05:12,471 INFO L480 AbstractCegarLoop]: Abstraction has has 35 places, 25 transitions, 93 flow [2021-03-26 10:05:12,471 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 152.75) internal successors, (611), 4 states have internal predecessors, (611), 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 10:05:12,471 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 10:05:12,471 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 10:05:12,471 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-03-26 10:05:12,471 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 10:05:12,472 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 10:05:12,472 INFO L82 PathProgramCache]: Analyzing trace with hash 346186634, now seen corresponding path program 1 times [2021-03-26 10:05:12,472 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 10:05:12,472 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1749297011] [2021-03-26 10:05:12,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 10:05:12,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 10:05:12,515 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:05:12,515 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:05:12,518 INFO L142 QuantifierPusher]: treesize reduction 3, result has 87.5 percent of original size [2021-03-26 10:05:12,519 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 10:05:12,525 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 10:05:12,525 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1749297011] [2021-03-26 10:05:12,526 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 10:05:12,526 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-03-26 10:05:12,527 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [462233430] [2021-03-26 10:05:12,527 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-26 10:05:12,527 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 10:05:12,527 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-26 10:05:12,527 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-03-26 10:05:12,528 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 152 out of 191 [2021-03-26 10:05:12,528 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 35 places, 25 transitions, 93 flow. Second operand has 4 states, 4 states have (on average 152.75) internal successors, (611), 4 states have internal predecessors, (611), 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 10:05:12,529 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 10:05:12,529 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 152 of 191 [2021-03-26 10:05:12,529 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 10:05:12,549 INFO L129 PetriNetUnfolder]: 28/80 cut-off events. [2021-03-26 10:05:12,549 INFO L130 PetriNetUnfolder]: For 79/105 co-relation queries the response was YES. [2021-03-26 10:05:12,550 INFO L84 FinitePrefix]: Finished finitePrefix Result has 243 conditions, 80 events. 28/80 cut-off events. For 79/105 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 263 event pairs, 4 based on Foata normal form. 3/81 useless extension candidates. Maximal degree in co-relation 230. Up to 47 conditions per place. [2021-03-26 10:05:12,550 INFO L132 encePairwiseOnDemand]: 188/191 looper letters, 10 selfloop transitions, 3 changer transitions 0/28 dead transitions. [2021-03-26 10:05:12,550 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 37 places, 28 transitions, 138 flow [2021-03-26 10:05:12,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-26 10:05:12,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-26 10:05:12,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 467 transitions. [2021-03-26 10:05:12,552 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8150087260034904 [2021-03-26 10:05:12,552 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 467 transitions. [2021-03-26 10:05:12,552 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 467 transitions. [2021-03-26 10:05:12,552 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 10:05:12,552 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 467 transitions. [2021-03-26 10:05:12,553 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 155.66666666666666) internal successors, (467), 3 states have internal predecessors, (467), 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 10:05:12,554 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 191.0) internal successors, (764), 4 states have internal predecessors, (764), 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 10:05:12,554 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 191.0) internal successors, (764), 4 states have internal predecessors, (764), 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 10:05:12,554 INFO L185 Difference]: Start difference. First operand has 35 places, 25 transitions, 93 flow. Second operand 3 states and 467 transitions. [2021-03-26 10:05:12,554 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 37 places, 28 transitions, 138 flow [2021-03-26 10:05:12,555 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 35 places, 28 transitions, 130 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-03-26 10:05:12,556 INFO L241 Difference]: Finished difference. Result has 36 places, 25 transitions, 98 flow [2021-03-26 10:05:12,556 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=191, PETRI_DIFFERENCE_MINUEND_FLOW=87, PETRI_DIFFERENCE_MINUEND_PLACES=33, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=25, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=22, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=98, PETRI_PLACES=36, PETRI_TRANSITIONS=25} [2021-03-26 10:05:12,556 INFO L343 CegarLoopForPetriNet]: 50 programPoint places, -14 predicate places. [2021-03-26 10:05:12,556 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 10:05:12,556 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 36 places, 25 transitions, 98 flow [2021-03-26 10:05:12,556 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 36 places, 25 transitions, 98 flow [2021-03-26 10:05:12,557 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 36 places, 25 transitions, 98 flow [2021-03-26 10:05:12,561 INFO L129 PetriNetUnfolder]: 19/74 cut-off events. [2021-03-26 10:05:12,561 INFO L130 PetriNetUnfolder]: For 33/35 co-relation queries the response was YES. [2021-03-26 10:05:12,562 INFO L84 FinitePrefix]: Finished finitePrefix Result has 173 conditions, 74 events. 19/74 cut-off events. For 33/35 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 256 event pairs, 13 based on Foata normal form. 1/69 useless extension candidates. Maximal degree in co-relation 161. Up to 37 conditions per place. [2021-03-26 10:05:12,562 INFO L142 LiptonReduction]: Number of co-enabled transitions 242 [2021-03-26 10:05:12,563 INFO L154 LiptonReduction]: Checked pairs total: 124 [2021-03-26 10:05:12,564 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 10:05:12,564 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 8 [2021-03-26 10:05:12,567 INFO L480 AbstractCegarLoop]: Abstraction has has 36 places, 25 transitions, 98 flow [2021-03-26 10:05:12,567 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 152.75) internal successors, (611), 4 states have internal predecessors, (611), 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 10:05:12,567 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 10:05:12,567 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 10:05:12,568 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-03-26 10:05:12,568 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 10:05:12,568 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 10:05:12,568 INFO L82 PathProgramCache]: Analyzing trace with hash -342327873, now seen corresponding path program 1 times [2021-03-26 10:05:12,568 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 10:05:12,568 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1840151415] [2021-03-26 10:05:12,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 10:05:12,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 10:05:12,632 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:05:12,632 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:05:12,634 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:05:12,634 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:05:12,637 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:05:12,637 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 10:05:12,637 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 10:05:12,637 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1840151415] [2021-03-26 10:05:12,637 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 10:05:12,637 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-26 10:05:12,638 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2140255013] [2021-03-26 10:05:12,638 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-26 10:05:12,638 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 10:05:12,638 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-26 10:05:12,638 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-26 10:05:12,639 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 159 out of 191 [2021-03-26 10:05:12,639 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 36 places, 25 transitions, 98 flow. Second operand has 4 states, 4 states have (on average 159.75) internal successors, (639), 4 states have internal predecessors, (639), 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 10:05:12,639 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 10:05:12,640 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 159 of 191 [2021-03-26 10:05:12,640 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 10:05:12,685 INFO L129 PetriNetUnfolder]: 101/245 cut-off events. [2021-03-26 10:05:12,685 INFO L130 PetriNetUnfolder]: For 66/67 co-relation queries the response was YES. [2021-03-26 10:05:12,685 INFO L84 FinitePrefix]: Finished finitePrefix Result has 558 conditions, 245 events. 101/245 cut-off events. For 66/67 co-relation queries the response was YES. Maximal size of possible extension queue 40. Compared 1287 event pairs, 27 based on Foata normal form. 21/215 useless extension candidates. Maximal degree in co-relation 544. Up to 150 conditions per place. [2021-03-26 10:05:12,686 INFO L132 encePairwiseOnDemand]: 185/191 looper letters, 10 selfloop transitions, 8 changer transitions 0/36 dead transitions. [2021-03-26 10:05:12,686 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 40 places, 36 transitions, 156 flow [2021-03-26 10:05:12,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-26 10:05:12,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-26 10:05:12,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 815 transitions. [2021-03-26 10:05:12,688 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8534031413612565 [2021-03-26 10:05:12,688 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 815 transitions. [2021-03-26 10:05:12,688 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 815 transitions. [2021-03-26 10:05:12,689 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 10:05:12,689 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 815 transitions. [2021-03-26 10:05:12,690 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 163.0) internal successors, (815), 5 states have internal predecessors, (815), 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 10:05:12,691 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 191.0) internal successors, (1146), 6 states have internal predecessors, (1146), 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 10:05:12,692 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 191.0) internal successors, (1146), 6 states have internal predecessors, (1146), 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 10:05:12,692 INFO L185 Difference]: Start difference. First operand has 36 places, 25 transitions, 98 flow. Second operand 5 states and 815 transitions. [2021-03-26 10:05:12,692 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 40 places, 36 transitions, 156 flow [2021-03-26 10:05:12,693 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 38 places, 36 transitions, 150 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-03-26 10:05:12,694 INFO L241 Difference]: Finished difference. Result has 41 places, 32 transitions, 152 flow [2021-03-26 10:05:12,694 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=191, PETRI_DIFFERENCE_MINUEND_FLOW=92, PETRI_DIFFERENCE_MINUEND_PLACES=34, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=25, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=20, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=152, PETRI_PLACES=41, PETRI_TRANSITIONS=32} [2021-03-26 10:05:12,694 INFO L343 CegarLoopForPetriNet]: 50 programPoint places, -9 predicate places. [2021-03-26 10:05:12,694 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 10:05:12,694 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 41 places, 32 transitions, 152 flow [2021-03-26 10:05:12,694 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 41 places, 32 transitions, 152 flow [2021-03-26 10:05:12,695 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 41 places, 32 transitions, 152 flow [2021-03-26 10:05:12,712 INFO L129 PetriNetUnfolder]: 72/203 cut-off events. [2021-03-26 10:05:12,712 INFO L130 PetriNetUnfolder]: For 140/155 co-relation queries the response was YES. [2021-03-26 10:05:12,713 INFO L84 FinitePrefix]: Finished finitePrefix Result has 581 conditions, 203 events. 72/203 cut-off events. For 140/155 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 1059 event pairs, 34 based on Foata normal form. 7/203 useless extension candidates. Maximal degree in co-relation 566. Up to 109 conditions per place. [2021-03-26 10:05:12,714 INFO L142 LiptonReduction]: Number of co-enabled transitions 322 [2021-03-26 10:05:12,729 INFO L154 LiptonReduction]: Checked pairs total: 263 [2021-03-26 10:05:12,729 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 10:05:12,729 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 35 [2021-03-26 10:05:12,731 INFO L480 AbstractCegarLoop]: Abstraction has has 41 places, 31 transitions, 146 flow [2021-03-26 10:05:12,732 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 159.75) internal successors, (639), 4 states have internal predecessors, (639), 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 10:05:12,732 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 10:05:12,732 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 10:05:12,732 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-03-26 10:05:12,732 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 10:05:12,732 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 10:05:12,732 INFO L82 PathProgramCache]: Analyzing trace with hash 1654501433, now seen corresponding path program 1 times [2021-03-26 10:05:12,732 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 10:05:12,732 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [837857812] [2021-03-26 10:05:12,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 10:05:12,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 10:05:12,799 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:05:12,799 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:05:12,801 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:05:12,801 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:05:12,804 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:05:12,804 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:05:12,807 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:05:12,807 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 10:05:12,807 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 10:05:12,807 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [837857812] [2021-03-26 10:05:12,807 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 10:05:12,807 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-26 10:05:12,807 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1729754029] [2021-03-26 10:05:12,807 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-26 10:05:12,808 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 10:05:12,808 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-26 10:05:12,808 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-03-26 10:05:12,809 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 159 out of 191 [2021-03-26 10:05:12,809 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 41 places, 31 transitions, 146 flow. Second operand has 5 states, 5 states have (on average 159.8) internal successors, (799), 5 states have internal predecessors, (799), 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 10:05:12,809 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 10:05:12,809 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 159 of 191 [2021-03-26 10:05:12,809 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 10:05:12,855 INFO L129 PetriNetUnfolder]: 69/181 cut-off events. [2021-03-26 10:05:12,855 INFO L130 PetriNetUnfolder]: For 185/321 co-relation queries the response was YES. [2021-03-26 10:05:12,856 INFO L84 FinitePrefix]: Finished finitePrefix Result has 602 conditions, 181 events. 69/181 cut-off events. For 185/321 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 808 event pairs, 8 based on Foata normal form. 38/200 useless extension candidates. Maximal degree in co-relation 585. Up to 99 conditions per place. [2021-03-26 10:05:12,857 INFO L132 encePairwiseOnDemand]: 185/191 looper letters, 8 selfloop transitions, 11 changer transitions 3/40 dead transitions. [2021-03-26 10:05:12,857 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 44 places, 40 transitions, 234 flow [2021-03-26 10:05:12,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-26 10:05:12,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-03-26 10:05:12,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 978 transitions. [2021-03-26 10:05:12,859 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8534031413612565 [2021-03-26 10:05:12,859 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 978 transitions. [2021-03-26 10:05:12,859 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 978 transitions. [2021-03-26 10:05:12,859 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 10:05:12,859 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 978 transitions. [2021-03-26 10:05:12,860 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 163.0) internal successors, (978), 6 states have internal predecessors, (978), 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 10:05:12,862 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 191.0) internal successors, (1337), 7 states have internal predecessors, (1337), 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 10:05:12,862 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 191.0) internal successors, (1337), 7 states have internal predecessors, (1337), 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 10:05:12,862 INFO L185 Difference]: Start difference. First operand has 41 places, 31 transitions, 146 flow. Second operand 6 states and 978 transitions. [2021-03-26 10:05:12,862 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 44 places, 40 transitions, 234 flow [2021-03-26 10:05:12,864 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 42 places, 40 transitions, 228 flow, removed 1 selfloop flow, removed 2 redundant places. [2021-03-26 10:05:12,865 INFO L241 Difference]: Finished difference. Result has 45 places, 35 transitions, 210 flow [2021-03-26 10:05:12,865 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=191, PETRI_DIFFERENCE_MINUEND_FLOW=122, PETRI_DIFFERENCE_MINUEND_PLACES=37, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=28, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=20, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=210, PETRI_PLACES=45, PETRI_TRANSITIONS=35} [2021-03-26 10:05:12,865 INFO L343 CegarLoopForPetriNet]: 50 programPoint places, -5 predicate places. [2021-03-26 10:05:12,865 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 10:05:12,865 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 45 places, 35 transitions, 210 flow [2021-03-26 10:05:12,866 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 45 places, 35 transitions, 210 flow [2021-03-26 10:05:12,866 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 45 places, 35 transitions, 210 flow [2021-03-26 10:05:12,875 INFO L129 PetriNetUnfolder]: 39/135 cut-off events. [2021-03-26 10:05:12,875 INFO L130 PetriNetUnfolder]: For 204/209 co-relation queries the response was YES. [2021-03-26 10:05:12,875 INFO L84 FinitePrefix]: Finished finitePrefix Result has 487 conditions, 135 events. 39/135 cut-off events. For 204/209 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 620 event pairs, 13 based on Foata normal form. 1/134 useless extension candidates. Maximal degree in co-relation 469. Up to 74 conditions per place. [2021-03-26 10:05:12,876 INFO L142 LiptonReduction]: Number of co-enabled transitions 322 [2021-03-26 10:05:12,881 INFO L154 LiptonReduction]: Checked pairs total: 260 [2021-03-26 10:05:12,881 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 10:05:12,881 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 16 [2021-03-26 10:05:12,884 INFO L480 AbstractCegarLoop]: Abstraction has has 45 places, 34 transitions, 202 flow [2021-03-26 10:05:12,885 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 159.8) internal successors, (799), 5 states have internal predecessors, (799), 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 10:05:12,885 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 10:05:12,885 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 10:05:12,885 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-03-26 10:05:12,885 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 10:05:12,885 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 10:05:12,885 INFO L82 PathProgramCache]: Analyzing trace with hash -298874426, now seen corresponding path program 1 times [2021-03-26 10:05:12,885 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 10:05:12,885 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [129879502] [2021-03-26 10:05:12,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 10:05:12,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 10:05:12,934 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:05:12,935 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:05:12,937 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:05:12,937 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:05:12,939 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:05:12,939 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:05:12,942 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:05:12,943 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:05:12,946 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:05:12,946 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 10:05:12,946 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 10:05:12,946 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [129879502] [2021-03-26 10:05:12,946 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 10:05:12,946 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-03-26 10:05:12,946 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [650651137] [2021-03-26 10:05:12,947 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-26 10:05:12,947 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 10:05:12,947 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-26 10:05:12,947 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-03-26 10:05:12,948 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 159 out of 191 [2021-03-26 10:05:12,948 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 45 places, 34 transitions, 202 flow. Second operand has 6 states, 6 states have (on average 159.83333333333334) internal successors, (959), 6 states have internal predecessors, (959), 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 10:05:12,948 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 10:05:12,948 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 159 of 191 [2021-03-26 10:05:12,948 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 10:05:12,995 INFO L129 PetriNetUnfolder]: 55/137 cut-off events. [2021-03-26 10:05:12,996 INFO L130 PetriNetUnfolder]: For 287/394 co-relation queries the response was YES. [2021-03-26 10:05:12,996 INFO L84 FinitePrefix]: Finished finitePrefix Result has 515 conditions, 137 events. 55/137 cut-off events. For 287/394 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 520 event pairs, 6 based on Foata normal form. 26/145 useless extension candidates. Maximal degree in co-relation 495. Up to 68 conditions per place. [2021-03-26 10:05:12,997 INFO L132 encePairwiseOnDemand]: 185/191 looper letters, 5 selfloop transitions, 11 changer transitions 4/38 dead transitions. [2021-03-26 10:05:12,997 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 49 places, 38 transitions, 248 flow [2021-03-26 10:05:12,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 10:05:12,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 10:05:12,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1135 transitions. [2021-03-26 10:05:12,999 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8489154824233358 [2021-03-26 10:05:12,999 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1135 transitions. [2021-03-26 10:05:12,999 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1135 transitions. [2021-03-26 10:05:13,000 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 10:05:13,000 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1135 transitions. [2021-03-26 10:05:13,001 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 162.14285714285714) internal successors, (1135), 7 states have internal predecessors, (1135), 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 10:05:13,003 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 191.0) internal successors, (1528), 8 states have internal predecessors, (1528), 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 10:05:13,003 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 191.0) internal successors, (1528), 8 states have internal predecessors, (1528), 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 10:05:13,003 INFO L185 Difference]: Start difference. First operand has 45 places, 34 transitions, 202 flow. Second operand 7 states and 1135 transitions. [2021-03-26 10:05:13,003 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 49 places, 38 transitions, 248 flow [2021-03-26 10:05:13,005 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 44 places, 38 transitions, 216 flow, removed 11 selfloop flow, removed 5 redundant places. [2021-03-26 10:05:13,005 INFO L241 Difference]: Finished difference. Result has 47 places, 32 transitions, 182 flow [2021-03-26 10:05:13,005 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=191, PETRI_DIFFERENCE_MINUEND_FLOW=140, PETRI_DIFFERENCE_MINUEND_PLACES=38, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=31, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=20, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=182, PETRI_PLACES=47, PETRI_TRANSITIONS=32} [2021-03-26 10:05:13,005 INFO L343 CegarLoopForPetriNet]: 50 programPoint places, -3 predicate places. [2021-03-26 10:05:13,005 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 10:05:13,006 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 47 places, 32 transitions, 182 flow [2021-03-26 10:05:13,006 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 47 places, 32 transitions, 182 flow [2021-03-26 10:05:13,006 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 46 places, 32 transitions, 182 flow [2021-03-26 10:05:13,013 INFO L129 PetriNetUnfolder]: 25/88 cut-off events. [2021-03-26 10:05:13,013 INFO L130 PetriNetUnfolder]: For 113/114 co-relation queries the response was YES. [2021-03-26 10:05:13,013 INFO L84 FinitePrefix]: Finished finitePrefix Result has 292 conditions, 88 events. 25/88 cut-off events. For 113/114 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 306 event pairs, 10 based on Foata normal form. 1/88 useless extension candidates. Maximal degree in co-relation 276. Up to 31 conditions per place. [2021-03-26 10:05:13,013 INFO L142 LiptonReduction]: Number of co-enabled transitions 236 [2021-03-26 10:05:13,257 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-03-26 10:05:13,377 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-03-26 10:05:13,963 WARN L205 SmtUtils]: Spent 583.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 173 [2021-03-26 10:05:14,224 WARN L205 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 171 [2021-03-26 10:05:15,405 WARN L205 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 298 DAG size of output: 254 [2021-03-26 10:05:15,925 WARN L205 SmtUtils]: Spent 518.00 ms on a formula simplification that was a NOOP. DAG size: 251 [2021-03-26 10:05:16,282 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2021-03-26 10:05:16,425 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2021-03-26 10:05:16,449 INFO L154 LiptonReduction]: Checked pairs total: 205 [2021-03-26 10:05:16,449 INFO L156 LiptonReduction]: Total number of compositions: 4 [2021-03-26 10:05:16,449 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 3444 [2021-03-26 10:05:16,450 INFO L480 AbstractCegarLoop]: Abstraction has has 43 places, 29 transitions, 168 flow [2021-03-26 10:05:16,450 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 159.83333333333334) internal successors, (959), 6 states have internal predecessors, (959), 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 10:05:16,450 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 10:05:16,450 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 10:05:16,450 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-03-26 10:05:16,450 INFO L428 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr2INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 10:05:16,451 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 10:05:16,451 INFO L82 PathProgramCache]: Analyzing trace with hash -238854495, now seen corresponding path program 1 times [2021-03-26 10:05:16,451 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 10:05:16,451 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [149621049] [2021-03-26 10:05:16,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 10:05:16,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 10:05:16,481 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:05:16,482 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 10:05:16,482 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:05:16,482 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:05:16,485 INFO L142 QuantifierPusher]: treesize reduction 3, result has 87.5 percent of original size [2021-03-26 10:05:16,485 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 10:05:16,492 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 10:05:16,493 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [149621049] [2021-03-26 10:05:16,493 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 10:05:16,493 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-26 10:05:16,493 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [906619585] [2021-03-26 10:05:16,493 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-26 10:05:16,493 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 10:05:16,493 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-26 10:05:16,493 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-26 10:05:16,494 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 150 out of 194 [2021-03-26 10:05:16,494 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 43 places, 29 transitions, 168 flow. Second operand has 4 states, 4 states have (on average 152.0) internal successors, (608), 4 states have internal predecessors, (608), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:05:16,494 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 10:05:16,495 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 150 of 194 [2021-03-26 10:05:16,495 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 10:05:16,538 INFO L129 PetriNetUnfolder]: 46/134 cut-off events. [2021-03-26 10:05:16,538 INFO L130 PetriNetUnfolder]: For 422/457 co-relation queries the response was YES. [2021-03-26 10:05:16,539 INFO L84 FinitePrefix]: Finished finitePrefix Result has 477 conditions, 134 events. 46/134 cut-off events. For 422/457 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 550 event pairs, 3 based on Foata normal form. 20/152 useless extension candidates. Maximal degree in co-relation 457. Up to 48 conditions per place. [2021-03-26 10:05:16,558 INFO L132 encePairwiseOnDemand]: 185/194 looper letters, 9 selfloop transitions, 12 changer transitions 0/39 dead transitions. [2021-03-26 10:05:16,558 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 47 places, 39 transitions, 256 flow [2021-03-26 10:05:16,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-26 10:05:16,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-26 10:05:16,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 771 transitions. [2021-03-26 10:05:16,560 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7948453608247422 [2021-03-26 10:05:16,560 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 771 transitions. [2021-03-26 10:05:16,560 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 771 transitions. [2021-03-26 10:05:16,560 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 10:05:16,560 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 771 transitions. [2021-03-26 10:05:16,561 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 154.2) internal successors, (771), 5 states have internal predecessors, (771), 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 10:05:16,562 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 194.0) internal successors, (1164), 6 states have internal predecessors, (1164), 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 10:05:16,564 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 194.0) internal successors, (1164), 6 states have internal predecessors, (1164), 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 10:05:16,564 INFO L185 Difference]: Start difference. First operand has 43 places, 29 transitions, 168 flow. Second operand 5 states and 771 transitions. [2021-03-26 10:05:16,564 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 47 places, 39 transitions, 256 flow [2021-03-26 10:05:16,565 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 40 places, 39 transitions, 214 flow, removed 12 selfloop flow, removed 7 redundant places. [2021-03-26 10:05:16,566 INFO L241 Difference]: Finished difference. Result has 42 places, 36 transitions, 206 flow [2021-03-26 10:05:16,566 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=194, PETRI_DIFFERENCE_MINUEND_FLOW=126, PETRI_DIFFERENCE_MINUEND_PLACES=36, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=29, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=20, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=206, PETRI_PLACES=42, PETRI_TRANSITIONS=36} [2021-03-26 10:05:16,566 INFO L343 CegarLoopForPetriNet]: 50 programPoint places, -8 predicate places. [2021-03-26 10:05:16,566 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 10:05:16,566 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 42 places, 36 transitions, 206 flow [2021-03-26 10:05:16,567 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 42 places, 36 transitions, 206 flow [2021-03-26 10:05:16,567 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 42 places, 36 transitions, 206 flow [2021-03-26 10:05:16,578 INFO L129 PetriNetUnfolder]: 39/122 cut-off events. [2021-03-26 10:05:16,578 INFO L130 PetriNetUnfolder]: For 151/161 co-relation queries the response was YES. [2021-03-26 10:05:16,578 INFO L84 FinitePrefix]: Finished finitePrefix Result has 376 conditions, 122 events. 39/122 cut-off events. For 151/161 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 528 event pairs, 4 based on Foata normal form. 7/126 useless extension candidates. Maximal degree in co-relation 360. Up to 42 conditions per place. [2021-03-26 10:05:16,579 INFO L142 LiptonReduction]: Number of co-enabled transitions 278 [2021-03-26 10:05:16,599 INFO L154 LiptonReduction]: Checked pairs total: 295 [2021-03-26 10:05:16,599 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 10:05:16,599 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 33 [2021-03-26 10:05:16,600 INFO L480 AbstractCegarLoop]: Abstraction has has 42 places, 36 transitions, 208 flow [2021-03-26 10:05:16,600 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 152.0) internal successors, (608), 4 states have internal predecessors, (608), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:05:16,600 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 10:05:16,600 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 10:05:16,600 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-03-26 10:05:16,600 INFO L428 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr2INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 10:05:16,600 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 10:05:16,600 INFO L82 PathProgramCache]: Analyzing trace with hash -1119742318, now seen corresponding path program 1 times [2021-03-26 10:05:16,601 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 10:05:16,601 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [538176038] [2021-03-26 10:05:16,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 10:05:16,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 10:05:16,656 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:05:16,656 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 10:05:16,657 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:05:16,657 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:05:16,659 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:05:16,660 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:05:16,662 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 10:05:16,662 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [538176038] [2021-03-26 10:05:16,662 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 10:05:16,662 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-26 10:05:16,663 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1971958616] [2021-03-26 10:05:16,663 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-26 10:05:16,663 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 10:05:16,663 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-26 10:05:16,663 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-26 10:05:16,664 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 165 out of 195 [2021-03-26 10:05:16,665 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 42 places, 36 transitions, 208 flow. Second operand has 4 states, 4 states have (on average 166.0) internal successors, (664), 4 states have internal predecessors, (664), 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 10:05:16,665 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 10:05:16,665 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 165 of 195 [2021-03-26 10:05:16,665 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 10:05:16,688 INFO L129 PetriNetUnfolder]: 47/147 cut-off events. [2021-03-26 10:05:16,688 INFO L130 PetriNetUnfolder]: For 254/271 co-relation queries the response was YES. [2021-03-26 10:05:16,689 INFO L84 FinitePrefix]: Finished finitePrefix Result has 469 conditions, 147 events. 47/147 cut-off events. For 254/271 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 693 event pairs, 5 based on Foata normal form. 13/156 useless extension candidates. Maximal degree in co-relation 451. Up to 51 conditions per place. [2021-03-26 10:05:16,689 INFO L132 encePairwiseOnDemand]: 191/195 looper letters, 3 selfloop transitions, 1 changer transitions 8/36 dead transitions. [2021-03-26 10:05:16,689 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 45 places, 36 transitions, 222 flow [2021-03-26 10:05:16,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-26 10:05:16,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-03-26 10:05:16,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 667 transitions. [2021-03-26 10:05:16,690 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8551282051282051 [2021-03-26 10:05:16,690 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 667 transitions. [2021-03-26 10:05:16,690 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 667 transitions. [2021-03-26 10:05:16,691 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 10:05:16,691 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 667 transitions. [2021-03-26 10:05:16,692 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 166.75) internal successors, (667), 4 states have internal predecessors, (667), 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 10:05:16,693 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 195.0) internal successors, (975), 5 states have internal predecessors, (975), 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 10:05:16,693 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 195.0) internal successors, (975), 5 states have internal predecessors, (975), 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 10:05:16,693 INFO L185 Difference]: Start difference. First operand has 42 places, 36 transitions, 208 flow. Second operand 4 states and 667 transitions. [2021-03-26 10:05:16,693 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 45 places, 36 transitions, 222 flow [2021-03-26 10:05:16,694 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 45 places, 36 transitions, 212 flow, removed 5 selfloop flow, removed 0 redundant places. [2021-03-26 10:05:16,695 INFO L241 Difference]: Finished difference. Result has 46 places, 28 transitions, 145 flow [2021-03-26 10:05:16,695 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=195, PETRI_DIFFERENCE_MINUEND_FLOW=198, PETRI_DIFFERENCE_MINUEND_PLACES=42, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=36, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=35, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=145, PETRI_PLACES=46, PETRI_TRANSITIONS=28} [2021-03-26 10:05:16,696 INFO L343 CegarLoopForPetriNet]: 50 programPoint places, -4 predicate places. [2021-03-26 10:05:16,696 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 10:05:16,696 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 46 places, 28 transitions, 145 flow [2021-03-26 10:05:16,696 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 46 places, 28 transitions, 145 flow [2021-03-26 10:05:16,696 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 44 places, 28 transitions, 145 flow [2021-03-26 10:05:16,702 INFO L129 PetriNetUnfolder]: 20/73 cut-off events. [2021-03-26 10:05:16,702 INFO L130 PetriNetUnfolder]: For 139/146 co-relation queries the response was YES. [2021-03-26 10:05:16,702 INFO L84 FinitePrefix]: Finished finitePrefix Result has 229 conditions, 73 events. 20/73 cut-off events. For 139/146 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 248 event pairs, 5 based on Foata normal form. 6/78 useless extension candidates. Maximal degree in co-relation 212. Up to 26 conditions per place. [2021-03-26 10:05:16,703 INFO L142 LiptonReduction]: Number of co-enabled transitions 176 [2021-03-26 10:05:16,704 INFO L154 LiptonReduction]: Checked pairs total: 73 [2021-03-26 10:05:16,704 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 10:05:16,704 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 8 [2021-03-26 10:05:16,704 INFO L480 AbstractCegarLoop]: Abstraction has has 44 places, 28 transitions, 145 flow [2021-03-26 10:05:16,705 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 166.0) internal successors, (664), 4 states have internal predecessors, (664), 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 10:05:16,705 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 10:05:16,705 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 10:05:16,705 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-03-26 10:05:16,705 INFO L428 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr2INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 10:05:16,705 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 10:05:16,705 INFO L82 PathProgramCache]: Analyzing trace with hash 1317870362, now seen corresponding path program 2 times [2021-03-26 10:05:16,705 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 10:05:16,705 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1303091256] [2021-03-26 10:05:16,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 10:05:16,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 10:05:16,748 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:05:16,748 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 10:05:16,749 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:05:16,749 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:05:16,752 INFO L142 QuantifierPusher]: treesize reduction 3, result has 87.5 percent of original size [2021-03-26 10:05:16,753 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 10:05:16,761 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 10:05:16,761 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1303091256] [2021-03-26 10:05:16,762 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 10:05:16,762 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-26 10:05:16,762 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [779801809] [2021-03-26 10:05:16,762 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-26 10:05:16,762 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 10:05:16,762 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-26 10:05:16,762 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-26 10:05:16,763 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 148 out of 195 [2021-03-26 10:05:16,763 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 44 places, 28 transitions, 145 flow. Second operand has 4 states, 4 states have (on average 149.75) internal successors, (599), 4 states have internal predecessors, (599), 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 10:05:16,763 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 10:05:16,763 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 148 of 195 [2021-03-26 10:05:16,763 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 10:05:16,806 INFO L129 PetriNetUnfolder]: 29/107 cut-off events. [2021-03-26 10:05:16,806 INFO L130 PetriNetUnfolder]: For 252/268 co-relation queries the response was YES. [2021-03-26 10:05:16,807 INFO L84 FinitePrefix]: Finished finitePrefix Result has 365 conditions, 107 events. 29/107 cut-off events. For 252/268 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 480 event pairs, 1 based on Foata normal form. 11/115 useless extension candidates. Maximal degree in co-relation 346. Up to 33 conditions per place. [2021-03-26 10:05:16,807 INFO L132 encePairwiseOnDemand]: 187/195 looper letters, 6 selfloop transitions, 9 changer transitions 2/35 dead transitions. [2021-03-26 10:05:16,807 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 48 places, 35 transitions, 221 flow [2021-03-26 10:05:16,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-26 10:05:16,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-26 10:05:16,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 757 transitions. [2021-03-26 10:05:16,809 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7764102564102564 [2021-03-26 10:05:16,809 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 757 transitions. [2021-03-26 10:05:16,809 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 757 transitions. [2021-03-26 10:05:16,809 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 10:05:16,809 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 757 transitions. [2021-03-26 10:05:16,810 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 151.4) internal successors, (757), 5 states have internal predecessors, (757), 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 10:05:16,812 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 195.0) internal successors, (1170), 6 states have internal predecessors, (1170), 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 10:05:16,812 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 195.0) internal successors, (1170), 6 states have internal predecessors, (1170), 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 10:05:16,812 INFO L185 Difference]: Start difference. First operand has 44 places, 28 transitions, 145 flow. Second operand 5 states and 757 transitions. [2021-03-26 10:05:16,812 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 48 places, 35 transitions, 221 flow [2021-03-26 10:05:16,813 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 45 places, 35 transitions, 214 flow, removed 1 selfloop flow, removed 3 redundant places. [2021-03-26 10:05:16,814 INFO L241 Difference]: Finished difference. Result has 47 places, 32 transitions, 200 flow [2021-03-26 10:05:16,815 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=195, PETRI_DIFFERENCE_MINUEND_FLOW=139, PETRI_DIFFERENCE_MINUEND_PLACES=41, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=28, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=21, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=200, PETRI_PLACES=47, PETRI_TRANSITIONS=32} [2021-03-26 10:05:16,815 INFO L343 CegarLoopForPetriNet]: 50 programPoint places, -3 predicate places. [2021-03-26 10:05:16,815 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 10:05:16,815 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 47 places, 32 transitions, 200 flow [2021-03-26 10:05:16,815 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 47 places, 32 transitions, 200 flow [2021-03-26 10:05:16,815 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 47 places, 32 transitions, 200 flow [2021-03-26 10:05:16,823 INFO L129 PetriNetUnfolder]: 22/91 cut-off events. [2021-03-26 10:05:16,823 INFO L130 PetriNetUnfolder]: For 187/193 co-relation queries the response was YES. [2021-03-26 10:05:16,823 INFO L84 FinitePrefix]: Finished finitePrefix Result has 317 conditions, 91 events. 22/91 cut-off events. For 187/193 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 375 event pairs, 1 based on Foata normal form. 4/93 useless extension candidates. Maximal degree in co-relation 298. Up to 24 conditions per place. [2021-03-26 10:05:16,823 INFO L142 LiptonReduction]: Number of co-enabled transitions 192 [2021-03-26 10:05:16,903 INFO L154 LiptonReduction]: Checked pairs total: 147 [2021-03-26 10:05:16,903 INFO L156 LiptonReduction]: Total number of compositions: 3 [2021-03-26 10:05:16,903 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 88 [2021-03-26 10:05:16,903 INFO L480 AbstractCegarLoop]: Abstraction has has 46 places, 31 transitions, 206 flow [2021-03-26 10:05:16,904 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 149.75) internal successors, (599), 4 states have internal predecessors, (599), 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 10:05:16,904 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 10:05:16,904 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 10:05:16,904 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-03-26 10:05:16,904 INFO L428 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr2INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 10:05:16,904 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 10:05:16,904 INFO L82 PathProgramCache]: Analyzing trace with hash -544717234, now seen corresponding path program 3 times [2021-03-26 10:05:16,904 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 10:05:16,904 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [829013751] [2021-03-26 10:05:16,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 10:05:16,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 10:05:16,940 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:05:16,940 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 10:05:16,940 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:05:16,941 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:05:16,943 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:05:16,943 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:05:16,948 INFO L142 QuantifierPusher]: treesize reduction 3, result has 87.5 percent of original size [2021-03-26 10:05:16,949 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 10:05:16,957 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 10:05:16,957 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [829013751] [2021-03-26 10:05:16,957 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 10:05:16,957 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-26 10:05:16,957 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1239631519] [2021-03-26 10:05:16,958 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-26 10:05:16,958 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 10:05:16,958 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-26 10:05:16,958 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-03-26 10:05:16,959 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 148 out of 198 [2021-03-26 10:05:16,959 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 46 places, 31 transitions, 206 flow. Second operand has 5 states, 5 states have (on average 149.4) internal successors, (747), 5 states have internal predecessors, (747), 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 10:05:16,959 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 10:05:16,959 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 148 of 198 [2021-03-26 10:05:16,959 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 10:05:17,002 INFO L129 PetriNetUnfolder]: 26/100 cut-off events. [2021-03-26 10:05:17,003 INFO L130 PetriNetUnfolder]: For 283/299 co-relation queries the response was YES. [2021-03-26 10:05:17,003 INFO L84 FinitePrefix]: Finished finitePrefix Result has 395 conditions, 100 events. 26/100 cut-off events. For 283/299 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 443 event pairs, 0 based on Foata normal form. 13/110 useless extension candidates. Maximal degree in co-relation 374. Up to 30 conditions per place. [2021-03-26 10:05:17,003 INFO L132 encePairwiseOnDemand]: 191/198 looper letters, 4 selfloop transitions, 3 changer transitions 9/33 dead transitions. [2021-03-26 10:05:17,003 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 51 places, 33 transitions, 252 flow [2021-03-26 10:05:17,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-26 10:05:17,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-03-26 10:05:17,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 905 transitions. [2021-03-26 10:05:17,005 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7617845117845118 [2021-03-26 10:05:17,005 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 905 transitions. [2021-03-26 10:05:17,005 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 905 transitions. [2021-03-26 10:05:17,006 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 10:05:17,006 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 905 transitions. [2021-03-26 10:05:17,007 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 150.83333333333334) internal successors, (905), 6 states have internal predecessors, (905), 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 10:05:17,008 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 198.0) internal successors, (1386), 7 states have internal predecessors, (1386), 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 10:05:17,009 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 198.0) internal successors, (1386), 7 states have internal predecessors, (1386), 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 10:05:17,009 INFO L185 Difference]: Start difference. First operand has 46 places, 31 transitions, 206 flow. Second operand 6 states and 905 transitions. [2021-03-26 10:05:17,009 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 51 places, 33 transitions, 252 flow [2021-03-26 10:05:17,010 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 51 places, 33 transitions, 238 flow, removed 7 selfloop flow, removed 0 redundant places. [2021-03-26 10:05:17,010 INFO L241 Difference]: Finished difference. Result has 52 places, 24 transitions, 139 flow [2021-03-26 10:05:17,010 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=198, PETRI_DIFFERENCE_MINUEND_FLOW=192, PETRI_DIFFERENCE_MINUEND_PLACES=46, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=31, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=28, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=139, PETRI_PLACES=52, PETRI_TRANSITIONS=24} [2021-03-26 10:05:17,010 INFO L343 CegarLoopForPetriNet]: 50 programPoint places, 2 predicate places. [2021-03-26 10:05:17,010 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 10:05:17,011 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 52 places, 24 transitions, 139 flow [2021-03-26 10:05:17,011 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 52 places, 24 transitions, 139 flow [2021-03-26 10:05:17,011 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 48 places, 24 transitions, 139 flow [2021-03-26 10:05:17,015 INFO L129 PetriNetUnfolder]: 8/43 cut-off events. [2021-03-26 10:05:17,015 INFO L130 PetriNetUnfolder]: For 103/106 co-relation queries the response was YES. [2021-03-26 10:05:17,015 INFO L84 FinitePrefix]: Finished finitePrefix Result has 150 conditions, 43 events. 8/43 cut-off events. For 103/106 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 111 event pairs, 1 based on Foata normal form. 2/44 useless extension candidates. Maximal degree in co-relation 129. Up to 12 conditions per place. [2021-03-26 10:05:17,015 INFO L142 LiptonReduction]: Number of co-enabled transitions 68 [2021-03-26 10:05:17,278 WARN L205 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 179 [2021-03-26 10:05:17,547 WARN L205 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 179 [2021-03-26 10:05:18,104 WARN L205 SmtUtils]: Spent 555.00 ms on a formula simplification that was a NOOP. DAG size: 259 [2021-03-26 10:05:18,680 WARN L205 SmtUtils]: Spent 574.00 ms on a formula simplification that was a NOOP. DAG size: 259 [2021-03-26 10:05:18,844 INFO L154 LiptonReduction]: Checked pairs total: 60 [2021-03-26 10:05:18,844 INFO L156 LiptonReduction]: Total number of compositions: 2 [2021-03-26 10:05:18,844 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1834 [2021-03-26 10:05:18,845 INFO L480 AbstractCegarLoop]: Abstraction has has 46 places, 22 transitions, 135 flow [2021-03-26 10:05:18,845 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 149.4) internal successors, (747), 5 states have internal predecessors, (747), 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 10:05:18,845 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 10:05:18,845 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 10:05:18,845 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-03-26 10:05:18,845 INFO L428 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr2INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 10:05:18,846 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 10:05:18,846 INFO L82 PathProgramCache]: Analyzing trace with hash 1554472068, now seen corresponding path program 1 times [2021-03-26 10:05:18,846 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 10:05:18,846 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1937020135] [2021-03-26 10:05:18,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 10:05:18,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 10:05:18,918 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:05:18,918 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 10:05:18,920 INFO L142 QuantifierPusher]: treesize reduction 5, result has 85.3 percent of original size [2021-03-26 10:05:18,921 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 10:05:18,937 INFO L142 QuantifierPusher]: treesize reduction 26, result has 54.4 percent of original size [2021-03-26 10:05:18,938 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-26 10:05:18,951 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:05:18,951 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:05:18,955 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 10:05:18,955 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1937020135] [2021-03-26 10:05:18,955 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 10:05:18,955 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-26 10:05:18,955 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1555391131] [2021-03-26 10:05:18,955 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-26 10:05:18,955 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 10:05:18,956 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-26 10:05:18,956 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-03-26 10:05:18,956 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 149 out of 200 [2021-03-26 10:05:18,957 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 46 places, 22 transitions, 135 flow. Second operand has 5 states, 5 states have (on average 150.0) internal successors, (750), 5 states have internal predecessors, (750), 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 10:05:18,957 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 10:05:18,957 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 149 of 200 [2021-03-26 10:05:18,957 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 10:05:19,000 INFO L129 PetriNetUnfolder]: 14/57 cut-off events. [2021-03-26 10:05:19,001 INFO L130 PetriNetUnfolder]: For 290/299 co-relation queries the response was YES. [2021-03-26 10:05:19,001 INFO L84 FinitePrefix]: Finished finitePrefix Result has 218 conditions, 57 events. 14/57 cut-off events. For 290/299 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 192 event pairs, 1 based on Foata normal form. 4/58 useless extension candidates. Maximal degree in co-relation 195. Up to 20 conditions per place. [2021-03-26 10:05:19,001 INFO L132 encePairwiseOnDemand]: 196/200 looper letters, 3 selfloop transitions, 2 changer transitions 2/24 dead transitions. [2021-03-26 10:05:19,001 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 50 places, 24 transitions, 166 flow [2021-03-26 10:05:19,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-26 10:05:19,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-26 10:05:19,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 753 transitions. [2021-03-26 10:05:19,004 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.753 [2021-03-26 10:05:19,004 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 753 transitions. [2021-03-26 10:05:19,004 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 753 transitions. [2021-03-26 10:05:19,004 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 10:05:19,004 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 753 transitions. [2021-03-26 10:05:19,005 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 150.6) internal successors, (753), 5 states have internal predecessors, (753), 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 10:05:19,006 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 200.0) internal successors, (1200), 6 states have internal predecessors, (1200), 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 10:05:19,006 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 200.0) internal successors, (1200), 6 states have internal predecessors, (1200), 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 10:05:19,006 INFO L185 Difference]: Start difference. First operand has 46 places, 22 transitions, 135 flow. Second operand 5 states and 753 transitions. [2021-03-26 10:05:19,006 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 50 places, 24 transitions, 166 flow [2021-03-26 10:05:19,007 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 44 places, 24 transitions, 144 flow, removed 6 selfloop flow, removed 6 redundant places. [2021-03-26 10:05:19,008 INFO L241 Difference]: Finished difference. Result has 46 places, 22 transitions, 128 flow [2021-03-26 10:05:19,008 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=200, PETRI_DIFFERENCE_MINUEND_FLOW=118, PETRI_DIFFERENCE_MINUEND_PLACES=40, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=22, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=20, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=128, PETRI_PLACES=46, PETRI_TRANSITIONS=22} [2021-03-26 10:05:19,008 INFO L343 CegarLoopForPetriNet]: 50 programPoint places, -4 predicate places. [2021-03-26 10:05:19,008 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 10:05:19,008 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 46 places, 22 transitions, 128 flow [2021-03-26 10:05:19,008 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 46 places, 22 transitions, 128 flow [2021-03-26 10:05:19,008 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 44 places, 22 transitions, 128 flow [2021-03-26 10:05:19,012 INFO L129 PetriNetUnfolder]: 8/39 cut-off events. [2021-03-26 10:05:19,012 INFO L130 PetriNetUnfolder]: For 61/61 co-relation queries the response was YES. [2021-03-26 10:05:19,012 INFO L84 FinitePrefix]: Finished finitePrefix Result has 146 conditions, 39 events. 8/39 cut-off events. For 61/61 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 89 event pairs, 1 based on Foata normal form. 0/39 useless extension candidates. Maximal degree in co-relation 127. Up to 12 conditions per place. [2021-03-26 10:05:19,012 INFO L142 LiptonReduction]: Number of co-enabled transitions 40 [2021-03-26 10:05:19,171 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 64 [2021-03-26 10:05:19,523 WARN L205 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 90 [2021-03-26 10:05:19,642 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2021-03-26 10:05:19,799 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 64 [2021-03-26 10:05:20,175 WARN L205 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 87 [2021-03-26 10:05:20,290 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2021-03-26 10:05:20,454 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 64 [2021-03-26 10:05:20,834 WARN L205 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 90 [2021-03-26 10:05:20,961 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2021-03-26 10:05:21,339 WARN L205 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2021-03-26 10:05:21,631 WARN L205 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2021-03-26 10:05:22,224 WARN L205 SmtUtils]: Spent 591.00 ms on a formula simplification that was a NOOP. DAG size: 267 [2021-03-26 10:05:22,808 WARN L205 SmtUtils]: Spent 583.00 ms on a formula simplification that was a NOOP. DAG size: 267 [2021-03-26 10:05:22,811 INFO L154 LiptonReduction]: Checked pairs total: 23 [2021-03-26 10:05:22,811 INFO L156 LiptonReduction]: Total number of compositions: 5 [2021-03-26 10:05:22,811 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 3803 [2021-03-26 10:05:22,811 INFO L480 AbstractCegarLoop]: Abstraction has has 43 places, 21 transitions, 151 flow [2021-03-26 10:05:22,812 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 150.0) internal successors, (750), 5 states have internal predecessors, (750), 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 10:05:22,812 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 10:05:22,812 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 10:05:22,812 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-03-26 10:05:22,812 INFO L428 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr2INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 10:05:22,812 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 10:05:22,812 INFO L82 PathProgramCache]: Analyzing trace with hash -1956960611, now seen corresponding path program 1 times [2021-03-26 10:05:22,812 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 10:05:22,812 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1137176063] [2021-03-26 10:05:22,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 10:05:22,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-03-26 10:05:22,834 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-03-26 10:05:22,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-03-26 10:05:22,865 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-03-26 10:05:22,896 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-03-26 10:05:22,896 INFO L634 BasicCegarLoop]: Counterexample might be feasible [2021-03-26 10:05:22,896 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-03-26 10:05:22,964 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.03 10:05:22 BasicIcfg [2021-03-26 10:05:22,964 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-03-26 10:05:22,964 INFO L168 Benchmark]: Toolchain (without parser) took 17606.12 ms. Allocated memory was 360.7 MB in the beginning and 666.9 MB in the end (delta: 306.2 MB). Free memory was 324.2 MB in the beginning and 452.7 MB in the end (delta: -128.5 MB). Peak memory consumption was 179.3 MB. Max. memory is 16.0 GB. [2021-03-26 10:05:22,965 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 360.7 MB. Free memory was 342.3 MB in the beginning and 342.2 MB in the end (delta: 77.5 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-03-26 10:05:22,965 INFO L168 Benchmark]: CACSL2BoogieTranslator took 382.21 ms. Allocated memory is still 360.7 MB. Free memory was 324.0 MB in the beginning and 321.1 MB in the end (delta: 2.9 MB). Peak memory consumption was 9.2 MB. Max. memory is 16.0 GB. [2021-03-26 10:05:22,965 INFO L168 Benchmark]: Boogie Procedure Inliner took 29.21 ms. Allocated memory is still 360.7 MB. Free memory was 321.1 MB in the beginning and 319.0 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-03-26 10:05:22,965 INFO L168 Benchmark]: Boogie Preprocessor took 19.33 ms. Allocated memory is still 360.7 MB. Free memory was 319.0 MB in the beginning and 316.9 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-03-26 10:05:22,965 INFO L168 Benchmark]: RCFGBuilder took 1068.39 ms. Allocated memory is still 360.7 MB. Free memory was 316.9 MB in the beginning and 283.0 MB in the end (delta: 33.9 MB). Peak memory consumption was 124.0 MB. Max. memory is 16.0 GB. [2021-03-26 10:05:22,965 INFO L168 Benchmark]: TraceAbstraction took 16101.25 ms. Allocated memory was 360.7 MB in the beginning and 666.9 MB in the end (delta: 306.2 MB). Free memory was 282.0 MB in the beginning and 452.7 MB in the end (delta: -170.7 MB). Peak memory consumption was 135.5 MB. Max. memory is 16.0 GB. [2021-03-26 10:05:22,966 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 360.7 MB. Free memory was 342.3 MB in the beginning and 342.2 MB in the end (delta: 77.5 kB). There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 382.21 ms. Allocated memory is still 360.7 MB. Free memory was 324.0 MB in the beginning and 321.1 MB in the end (delta: 2.9 MB). Peak memory consumption was 9.2 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 29.21 ms. Allocated memory is still 360.7 MB. Free memory was 321.1 MB in the beginning and 319.0 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 19.33 ms. Allocated memory is still 360.7 MB. Free memory was 319.0 MB in the beginning and 316.9 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 1068.39 ms. Allocated memory is still 360.7 MB. Free memory was 316.9 MB in the beginning and 283.0 MB in the end (delta: 33.9 MB). Peak memory consumption was 124.0 MB. Max. memory is 16.0 GB. * TraceAbstraction took 16101.25 ms. Allocated memory was 360.7 MB in the beginning and 666.9 MB in the end (delta: 306.2 MB). Free memory was 282.0 MB in the beginning and 452.7 MB in the end (delta: -170.7 MB). Peak memory consumption was 135.5 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2316.2ms, 110 PlacesBefore, 50 PlacesAfterwards, 102 TransitionsBefore, 41 TransitionsAfterwards, 1832 CoEnabledTransitionPairs, 5 FixpointIterations, 29 TrivialSequentialCompositions, 36 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 5 ConcurrentYvCompositions, 1 ChoiceCompositions, 71 TotalNumberOfCompositions, 2848 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1588, positive: 1513, positive conditional: 1513, positive unconditional: 0, negative: 75, negative conditional: 75, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1588, positive: 1513, positive conditional: 0, positive unconditional: 1513, negative: 75, negative conditional: 0, negative unconditional: 75, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1588, positive: 1513, positive conditional: 0, positive unconditional: 1513, negative: 75, negative conditional: 0, negative unconditional: 75, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1234, positive: 1202, positive conditional: 0, positive unconditional: 1202, negative: 32, negative conditional: 0, negative unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1234, positive: 1200, positive conditional: 0, positive unconditional: 1200, negative: 34, negative conditional: 0, negative unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 34, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 32, negative conditional: 0, negative unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 215, positive: 7, positive conditional: 0, positive unconditional: 7, negative: 208, negative conditional: 0, negative unconditional: 208, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1588, positive: 311, positive conditional: 0, positive unconditional: 311, negative: 43, negative conditional: 0, negative unconditional: 43, unknown: 1234, unknown conditional: 0, unknown unconditional: 1234] , Statistics on independence cache: Total cache size (in pairs): 1234, Positive cache size: 1202, Positive conditional cache size: 0, Positive unconditional cache size: 1202, Negative cache size: 32, Negative conditional cache size: 0, Negative unconditional cache size: 32, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1501.1ms, 47 PlacesBefore, 33 PlacesAfterwards, 38 TransitionsBefore, 24 TransitionsAfterwards, 326 CoEnabledTransitionPairs, 5 FixpointIterations, 11 TrivialSequentialCompositions, 3 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 14 TotalNumberOfCompositions, 1698 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 580, positive: 465, positive conditional: 465, positive unconditional: 0, negative: 115, negative conditional: 115, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 580, positive: 465, positive conditional: 36, positive unconditional: 429, negative: 115, negative conditional: 5, negative unconditional: 110, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 580, positive: 465, positive conditional: 36, positive unconditional: 429, negative: 115, negative conditional: 5, negative unconditional: 110, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 118, positive: 98, positive conditional: 12, positive unconditional: 86, negative: 20, negative conditional: 1, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 118, positive: 92, positive conditional: 0, positive unconditional: 92, negative: 26, negative conditional: 0, negative unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 26, positive: 6, positive conditional: 0, positive unconditional: 6, negative: 20, negative conditional: 1, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 155, positive: 25, positive conditional: 0, positive unconditional: 25, negative: 130, negative conditional: 36, negative unconditional: 93, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 580, positive: 367, positive conditional: 24, positive unconditional: 343, negative: 95, negative conditional: 4, negative unconditional: 91, unknown: 118, unknown conditional: 13, unknown unconditional: 105] , Statistics on independence cache: Total cache size (in pairs): 1352, Positive cache size: 1300, Positive conditional cache size: 12, Positive unconditional cache size: 1288, Negative cache size: 52, Negative conditional cache size: 1, Negative unconditional cache size: 51, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1000.9ms, 37 PlacesBefore, 33 PlacesAfterwards, 26 TransitionsBefore, 25 TransitionsAfterwards, 246 CoEnabledTransitionPairs, 2 FixpointIterations, 1 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 306 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 116, positive: 96, positive conditional: 96, positive unconditional: 0, negative: 20, negative conditional: 20, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 116, positive: 96, positive conditional: 0, positive unconditional: 96, negative: 20, negative conditional: 0, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 116, positive: 96, positive conditional: 0, positive unconditional: 96, negative: 20, negative conditional: 0, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 12, positive: 11, positive conditional: 0, positive unconditional: 11, 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: 12, positive: 11, positive conditional: 0, positive unconditional: 11, 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: 26, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 26, negative conditional: 0, negative unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 116, positive: 85, positive conditional: 0, positive unconditional: 85, negative: 19, negative conditional: 0, negative unconditional: 19, unknown: 12, unknown conditional: 0, unknown unconditional: 12] , Statistics on independence cache: Total cache size (in pairs): 1364, Positive cache size: 1311, Positive conditional cache size: 12, Positive unconditional cache size: 1299, Negative cache size: 53, Negative conditional cache size: 1, Negative unconditional cache size: 52, Eliminated conditions: 14 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 10.1ms, 35 PlacesBefore, 35 PlacesAfterwards, 25 TransitionsBefore, 25 TransitionsAfterwards, 244 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 140 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 49, positive: 39, positive conditional: 39, positive unconditional: 0, negative: 10, negative conditional: 10, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 49, positive: 39, positive conditional: 0, positive unconditional: 39, negative: 10, negative conditional: 0, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 49, positive: 39, positive conditional: 0, positive unconditional: 39, negative: 10, negative conditional: 0, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.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: 49, positive: 37, positive conditional: 0, positive unconditional: 37, negative: 10, negative conditional: 0, negative unconditional: 10, unknown: 2, unknown conditional: 0, unknown unconditional: 2] , Statistics on independence cache: Total cache size (in pairs): 1366, Positive cache size: 1313, Positive conditional cache size: 12, Positive unconditional cache size: 1301, Negative cache size: 53, Negative conditional cache size: 1, Negative unconditional cache size: 52, Eliminated conditions: 9 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 7.2ms, 36 PlacesBefore, 36 PlacesAfterwards, 25 TransitionsBefore, 25 TransitionsAfterwards, 242 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 124 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 41, positive: 32, positive conditional: 32, positive unconditional: 0, negative: 9, negative conditional: 9, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 41, positive: 32, positive conditional: 0, positive unconditional: 32, negative: 9, negative conditional: 0, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 41, positive: 32, positive conditional: 0, positive unconditional: 32, negative: 9, negative conditional: 0, negative unconditional: 9, 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: 41, positive: 32, positive conditional: 0, positive unconditional: 32, negative: 9, negative conditional: 0, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1366, Positive cache size: 1313, Positive conditional cache size: 12, Positive unconditional cache size: 1301, Negative cache size: 53, Negative conditional cache size: 1, Negative unconditional cache size: 52, Eliminated conditions: 3 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 34.4ms, 41 PlacesBefore, 41 PlacesAfterwards, 32 TransitionsBefore, 31 TransitionsAfterwards, 322 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 1 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 263 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 90, positive: 76, positive conditional: 76, positive unconditional: 0, negative: 14, negative conditional: 14, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 90, positive: 76, positive conditional: 27, positive unconditional: 49, negative: 14, negative conditional: 0, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 90, positive: 76, positive conditional: 27, positive unconditional: 49, negative: 14, negative conditional: 0, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 6, positive: 5, positive conditional: 4, positive unconditional: 1, 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: 6, positive: 5, positive conditional: 0, positive unconditional: 5, 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: 8, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 90, positive: 71, positive conditional: 23, positive unconditional: 48, negative: 13, negative conditional: 0, negative unconditional: 13, unknown: 6, unknown conditional: 4, unknown unconditional: 2] , Statistics on independence cache: Total cache size (in pairs): 1372, Positive cache size: 1318, Positive conditional cache size: 16, Positive unconditional cache size: 1302, Negative cache size: 54, Negative conditional cache size: 1, Negative unconditional cache size: 53, Eliminated conditions: 4 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 15.2ms, 45 PlacesBefore, 45 PlacesAfterwards, 35 TransitionsBefore, 34 TransitionsAfterwards, 322 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 1 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 260 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 90, positive: 76, positive conditional: 76, positive unconditional: 0, negative: 14, negative conditional: 14, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 90, positive: 76, positive conditional: 22, positive unconditional: 54, negative: 14, negative conditional: 0, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 90, positive: 76, positive conditional: 22, positive unconditional: 54, negative: 14, negative conditional: 0, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 4, positive: 4, positive conditional: 4, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 4, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 90, positive: 72, positive conditional: 18, positive unconditional: 54, negative: 14, negative conditional: 0, negative unconditional: 14, unknown: 4, unknown conditional: 4, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1376, Positive cache size: 1322, Positive conditional cache size: 20, Positive unconditional cache size: 1302, Negative cache size: 54, Negative conditional cache size: 1, Negative unconditional cache size: 53, Eliminated conditions: 4 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3443.6ms, 47 PlacesBefore, 43 PlacesAfterwards, 32 TransitionsBefore, 29 TransitionsAfterwards, 236 CoEnabledTransitionPairs, 3 FixpointIterations, 1 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 1 TrivialYvCompositions, 2 ConcurrentYvCompositions, 0 ChoiceCompositions, 4 TotalNumberOfCompositions, 205 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 106, positive: 93, positive conditional: 93, 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: 106, positive: 93, positive conditional: 42, positive unconditional: 51, 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: 106, positive: 93, positive conditional: 42, positive unconditional: 51, 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: 10, positive: 8, positive conditional: 5, positive unconditional: 3, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 10, positive: 8, positive conditional: 0, positive unconditional: 8, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 2, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 44, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 44, negative conditional: 0, negative unconditional: 44, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 106, positive: 85, positive conditional: 37, positive unconditional: 48, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 10, unknown conditional: 5, unknown unconditional: 5] , Statistics on independence cache: Total cache size (in pairs): 1386, Positive cache size: 1330, Positive conditional cache size: 25, Positive unconditional cache size: 1305, Negative cache size: 56, Negative conditional cache size: 1, Negative unconditional cache size: 55, Eliminated conditions: 6 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 32.6ms, 42 PlacesBefore, 42 PlacesAfterwards, 36 TransitionsBefore, 36 TransitionsAfterwards, 278 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 1 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 295 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 103, positive: 83, positive conditional: 83, positive unconditional: 0, negative: 20, negative conditional: 20, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 103, positive: 83, positive conditional: 21, positive unconditional: 62, negative: 20, negative conditional: 0, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 103, positive: 83, positive conditional: 21, positive unconditional: 62, negative: 20, negative conditional: 0, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 4, positive: 4, positive conditional: 3, 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: 4, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 103, positive: 79, positive conditional: 18, positive unconditional: 61, negative: 20, negative conditional: 0, negative unconditional: 20, unknown: 4, unknown conditional: 3, unknown unconditional: 1] , Statistics on independence cache: Total cache size (in pairs): 1390, Positive cache size: 1334, Positive conditional cache size: 28, Positive unconditional cache size: 1306, Negative cache size: 56, Negative conditional cache size: 1, Negative unconditional cache size: 55, Eliminated conditions: 41 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 8.1ms, 46 PlacesBefore, 44 PlacesAfterwards, 28 TransitionsBefore, 28 TransitionsAfterwards, 176 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 73 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 36, positive: 29, positive conditional: 29, positive unconditional: 0, negative: 7, negative conditional: 7, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 36, positive: 29, positive conditional: 8, positive unconditional: 21, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 36, positive: 29, positive conditional: 8, positive unconditional: 21, negative: 7, negative conditional: 0, negative unconditional: 7, 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: 36, positive: 29, positive conditional: 8, positive unconditional: 21, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1390, Positive cache size: 1334, Positive conditional cache size: 28, Positive unconditional cache size: 1306, Negative cache size: 56, Negative conditional cache size: 1, Negative unconditional cache size: 55, Eliminated conditions: 1 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 87.5ms, 47 PlacesBefore, 46 PlacesAfterwards, 32 TransitionsBefore, 31 TransitionsAfterwards, 192 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 2 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 1 ConcurrentYvCompositions, 0 ChoiceCompositions, 3 TotalNumberOfCompositions, 147 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 61, positive: 50, positive conditional: 50, positive unconditional: 0, negative: 11, negative conditional: 11, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 61, positive: 50, positive conditional: 19, positive unconditional: 31, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 61, positive: 50, positive conditional: 19, positive unconditional: 31, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 7, positive: 6, positive conditional: 2, positive unconditional: 4, 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: 7, positive: 6, positive conditional: 0, positive unconditional: 6, 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: 23, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 23, negative conditional: 0, negative unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 61, positive: 44, positive conditional: 17, positive unconditional: 27, negative: 10, negative conditional: 0, negative unconditional: 10, unknown: 7, unknown conditional: 2, unknown unconditional: 5] , Statistics on independence cache: Total cache size (in pairs): 1397, Positive cache size: 1340, Positive conditional cache size: 30, Positive unconditional cache size: 1310, Negative cache size: 57, Negative conditional cache size: 1, Negative unconditional cache size: 56, Eliminated conditions: 19 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1833.5ms, 52 PlacesBefore, 46 PlacesAfterwards, 24 TransitionsBefore, 22 TransitionsAfterwards, 68 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 2 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 60 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 30, positive: 23, positive conditional: 23, positive unconditional: 0, negative: 7, negative conditional: 7, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 30, positive: 23, positive conditional: 13, positive unconditional: 10, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 30, positive: 23, positive conditional: 13, positive unconditional: 10, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 5, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 5, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 2, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 54, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 54, negative conditional: 0, negative unconditional: 54, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 30, positive: 20, positive conditional: 13, positive unconditional: 7, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 5, unknown conditional: 0, unknown unconditional: 5] , Statistics on independence cache: Total cache size (in pairs): 1402, Positive cache size: 1343, Positive conditional cache size: 30, Positive unconditional cache size: 1313, Negative cache size: 59, Negative conditional cache size: 1, Negative unconditional cache size: 58, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3802.9ms, 46 PlacesBefore, 43 PlacesAfterwards, 22 TransitionsBefore, 21 TransitionsAfterwards, 40 CoEnabledTransitionPairs, 3 FixpointIterations, 0 TrivialSequentialCompositions, 5 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 5 TotalNumberOfCompositions, 23 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 23, positive: 23, positive conditional: 23, 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: 23, positive: 23, positive conditional: 20, positive unconditional: 3, 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: 23, positive: 23, positive conditional: 20, positive unconditional: 3, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 8, positive: 8, positive conditional: 7, 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: 8, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.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] , SemanticIndependenceRelation.Query Time [ms]: [ total: 57, positive: 57, positive conditional: 57, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 23, positive: 15, positive conditional: 13, positive unconditional: 2, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 8, unknown conditional: 7, unknown unconditional: 1] , Statistics on independence cache: Total cache size (in pairs): 1410, Positive cache size: 1351, Positive conditional cache size: 37, Positive unconditional cache size: 1314, Negative cache size: 59, Negative conditional cache size: 1, Negative unconditional cache size: 58, Eliminated conditions: 0 - CounterExampleResult [Line: 18]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L709] 0 int __unbuffered_cnt = 0; [L711] 0 int __unbuffered_p0_EAX = 0; [L713] 0 int __unbuffered_p1_EAX = 0; [L715] 0 int __unbuffered_p1_EBX = 0; [L717] 0 int __unbuffered_p2_EAX = 0; [L719] 0 int __unbuffered_p2_EBX = 0; [L721] 0 int a = 0; [L723] 0 int b = 0; [L724] 0 _Bool main$tmp_guard0; [L725] 0 _Bool main$tmp_guard1; [L727] 0 int x = 0; [L729] 0 int y = 0; [L731] 0 int z = 0; [L732] 0 _Bool z$flush_delayed; [L733] 0 int z$mem_tmp; [L734] 0 _Bool z$r_buff0_thd0; [L735] 0 _Bool z$r_buff0_thd1; [L736] 0 _Bool z$r_buff0_thd2; [L737] 0 _Bool z$r_buff0_thd3; [L738] 0 _Bool z$r_buff1_thd0; [L739] 0 _Bool z$r_buff1_thd1; [L740] 0 _Bool z$r_buff1_thd2; [L741] 0 _Bool z$r_buff1_thd3; [L742] 0 _Bool z$read_delayed; [L743] 0 int *z$read_delayed_var; [L744] 0 int z$w_buff0; [L745] 0 _Bool z$w_buff0_used; [L746] 0 int z$w_buff1; [L747] 0 _Bool z$w_buff1_used; [L748] 0 _Bool weak$$choice0; [L749] 0 _Bool weak$$choice2; [L845] 0 pthread_t t870; [L846] FCALL, FORK 0 pthread_create(&t870, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, arg={0:0}, b=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L847] 0 pthread_t t871; [L848] FCALL, FORK 0 pthread_create(&t871, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, arg={0:0}, arg={0:0}, b=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L849] 0 pthread_t t872; [L850] FCALL, FORK 0 pthread_create(&t872, ((void *)0), P2, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, arg={0:0}, arg={0:0}, b=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L802] 3 z$w_buff1 = z$w_buff0 [L803] 3 z$w_buff0 = 1 [L804] 3 z$w_buff1_used = z$w_buff0_used [L805] 3 z$w_buff0_used = (_Bool)1 [L18] COND FALSE 3 !(!expression) [L807] 3 z$r_buff1_thd0 = z$r_buff0_thd0 [L808] 3 z$r_buff1_thd1 = z$r_buff0_thd1 [L809] 3 z$r_buff1_thd2 = z$r_buff0_thd2 [L810] 3 z$r_buff1_thd3 = z$r_buff0_thd3 [L811] 3 z$r_buff0_thd3 = (_Bool)1 [L814] 3 a = 1 [L817] 3 __unbuffered_p2_EAX = a VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, a=1, arg={0:0}, arg={0:0}, b=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L820] 3 __unbuffered_p2_EBX = b VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, a=1, arg={0:0}, arg={0:0}, b=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L753] 1 b = 1 [L756] 1 __unbuffered_p0_EAX = x VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, b=1, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L768] 2 x = 1 [L771] 2 y = 1 [L774] 2 __unbuffered_p1_EAX = y [L777] 2 weak$$choice0 = __VERIFIER_nondet_bool() [L778] 2 weak$$choice2 = __VERIFIER_nondet_bool() [L779] 2 z$flush_delayed = weak$$choice2 [L780] 2 z$mem_tmp = z [L781] EXPR 2 !z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z : (z$w_buff0_used && z$r_buff0_thd2 ? z$w_buff0 : z$w_buff1) [L781] 2 z = !z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z : (z$w_buff0_used && z$r_buff0_thd2 ? z$w_buff0 : z$w_buff1) [L782] EXPR 2 weak$$choice2 ? z$w_buff0 : (!z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd2 ? z$w_buff0 : z$w_buff0)) [L782] 2 z$w_buff0 = weak$$choice2 ? z$w_buff0 : (!z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd2 ? z$w_buff0 : z$w_buff0)) [L783] EXPR 2 weak$$choice2 ? z$w_buff1 : (!z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd2 ? z$w_buff1 : z$w_buff1)) [L783] 2 z$w_buff1 = weak$$choice2 ? z$w_buff1 : (!z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd2 ? z$w_buff1 : z$w_buff1)) [L784] EXPR 2 weak$$choice2 ? z$w_buff0_used : (!z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : z$w_buff0_used)) [L784] 2 z$w_buff0_used = weak$$choice2 ? z$w_buff0_used : (!z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : z$w_buff0_used)) [L785] EXPR 2 weak$$choice2 ? z$w_buff1_used : (!z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L785] 2 z$w_buff1_used = weak$$choice2 ? z$w_buff1_used : (!z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L786] EXPR 2 weak$$choice2 ? z$r_buff0_thd2 : (!z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z$r_buff0_thd2 : (z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : z$r_buff0_thd2)) [L786] 2 z$r_buff0_thd2 = weak$$choice2 ? z$r_buff0_thd2 : (!z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z$r_buff0_thd2 : (z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : z$r_buff0_thd2)) [L787] EXPR 2 weak$$choice2 ? z$r_buff1_thd2 : (!z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z$r_buff1_thd2 : (z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L787] 2 z$r_buff1_thd2 = weak$$choice2 ? z$r_buff1_thd2 : (!z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z$r_buff1_thd2 : (z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L788] 2 __unbuffered_p1_EBX = z [L789] EXPR 2 z$flush_delayed ? z$mem_tmp : z [L789] 2 z = z$flush_delayed ? z$mem_tmp : z [L790] 2 z$flush_delayed = (_Bool)0 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=51, weak$$choice2=255, x=1, y=1, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L823] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd3 ? z$w_buff1 : z) [L823] 3 z = z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd3 ? z$w_buff1 : z) [L824] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$w_buff0_used [L824] 3 z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$w_buff0_used [L825] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 || z$w_buff1_used && z$r_buff1_thd3 ? (_Bool)0 : z$w_buff1_used [L825] 3 z$w_buff1_used = z$w_buff0_used && z$r_buff0_thd3 || z$w_buff1_used && z$r_buff1_thd3 ? (_Bool)0 : z$w_buff1_used [L826] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$r_buff0_thd3 [L826] 3 z$r_buff0_thd3 = z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$r_buff0_thd3 [L827] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 || z$w_buff1_used && z$r_buff1_thd3 ? (_Bool)0 : z$r_buff1_thd3 [L827] 3 z$r_buff1_thd3 = z$w_buff0_used && z$r_buff0_thd3 || z$w_buff1_used && z$r_buff1_thd3 ? (_Bool)0 : z$r_buff1_thd3 [L761] 1 __unbuffered_cnt = __unbuffered_cnt + 1 [L763] 1 return 0; [L795] 2 __unbuffered_cnt = __unbuffered_cnt + 1 [L797] 2 return 0; [L830] 3 __unbuffered_cnt = __unbuffered_cnt + 1 [L832] 3 return 0; [L852] 0 main$tmp_guard0 = __unbuffered_cnt == 3 [L3] COND FALSE 0 !(!cond) [L856] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd0 ? z$w_buff1 : z) [L856] EXPR 0 z$w_buff1_used && z$r_buff1_thd0 ? z$w_buff1 : z [L856] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd0 ? z$w_buff1 : z) [L856] 0 z = z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd0 ? z$w_buff1 : z) [L857] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$w_buff0_used [L857] 0 z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$w_buff0_used [L858] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$w_buff1_used [L858] 0 z$w_buff1_used = z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$w_buff1_used [L859] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$r_buff0_thd0 [L859] 0 z$r_buff0_thd0 = z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$r_buff0_thd0 [L860] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$r_buff1_thd0 [L860] 0 z$r_buff1_thd0 = z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$r_buff1_thd0 [L863] 0 main$tmp_guard1 = !(__unbuffered_p0_EAX == 0 && __unbuffered_p1_EAX == 1 && __unbuffered_p1_EBX == 0 && __unbuffered_p2_EAX == 1 && __unbuffered_p2_EBX == 0) [L18] COND TRUE 0 !expression [L18] 0 reach_error() VAL [\result={0:0}, \result={0:0}, __unbuffered_cnt=3, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=51, weak$$choice2=255, x=1, y=1, z=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 104 locations, 2 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 3.4ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: UNSAFE, OverallTime: 15932.3ms, OverallIterations: 13, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 684.7ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 2367.2ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 88 SDtfs, 53 SDslu, 47 SDs, 0 SdLazy, 198 SolverSat, 35 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 176.4ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 48 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 177.7ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=210occurred in iteration=6, InterpolantAutomatonStates: 57, 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: 31.4ms SsaConstructionTime, 302.5ms SatisfiabilityAnalysisTime, 531.0ms InterpolantComputationTime, 217 NumberOfCodeBlocks, 217 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 190 ConstructedInterpolants, 0 QuantifiedInterpolants, 1246 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 12 InterpolantComputations, 12 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...