/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/mix033_tso.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-d5b4239aa45c8d22a30959944f2ef622f7386a6d-d5b4239 [2021-03-26 10:05:27,710 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-03-26 10:05:27,713 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-03-26 10:05:27,753 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-03-26 10:05:27,754 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-03-26 10:05:27,757 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-03-26 10:05:27,760 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-03-26 10:05:27,765 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-03-26 10:05:27,768 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-03-26 10:05:27,769 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-03-26 10:05:27,770 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-03-26 10:05:27,771 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-03-26 10:05:27,772 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-03-26 10:05:27,773 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-03-26 10:05:27,773 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-03-26 10:05:27,774 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-03-26 10:05:27,775 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-03-26 10:05:27,776 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-03-26 10:05:27,777 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-03-26 10:05:27,779 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-03-26 10:05:27,780 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-03-26 10:05:27,781 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-03-26 10:05:27,782 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-03-26 10:05:27,783 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-03-26 10:05:27,785 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-03-26 10:05:27,791 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-03-26 10:05:27,792 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-03-26 10:05:27,792 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-03-26 10:05:27,793 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 10:05:27,812 INFO L113 SettingsManager]: Loading preferences was successful [2021-03-26 10:05:27,813 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-03-26 10:05:27,814 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-03-26 10:05:27,814 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-03-26 10:05:27,814 INFO L138 SettingsManager]: * Use SBE=true [2021-03-26 10:05:27,814 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-03-26 10:05:27,815 INFO L138 SettingsManager]: * sizeof long=4 [2021-03-26 10:05:27,815 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-03-26 10:05:27,815 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-03-26 10:05:27,815 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-03-26 10:05:27,815 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-03-26 10:05:27,815 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-03-26 10:05:27,815 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-03-26 10:05:27,815 INFO L138 SettingsManager]: * sizeof long double=12 [2021-03-26 10:05:27,816 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-03-26 10:05:27,816 INFO L138 SettingsManager]: * Use constant arrays=true [2021-03-26 10:05:27,816 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-03-26 10:05:27,816 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-03-26 10:05:27,816 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-03-26 10:05:27,816 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-03-26 10:05:27,816 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-03-26 10:05:27,817 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-26 10:05:27,817 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-03-26 10:05:27,817 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-03-26 10:05:27,817 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-03-26 10:05:27,817 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-03-26 10:05:27,817 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-03-26 10:05:27,817 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=SEMANTIC_BASED_MOVER_CHECK_WITH_PREDICATES_DISJUNCTIVE [2021-03-26 10:05:27,818 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-03-26 10:05:27,818 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-03-26 10:05:27,818 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-03-26 10:05:28,097 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-03-26 10:05:28,129 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-03-26 10:05:28,131 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-03-26 10:05:28,132 INFO L271 PluginConnector]: Initializing CDTParser... [2021-03-26 10:05:28,132 INFO L275 PluginConnector]: CDTParser initialized [2021-03-26 10:05:28,133 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix033_tso.opt.i [2021-03-26 10:05:28,197 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b17f32ba5/df52c0d229994596a000f97950d78419/FLAG4aaaed7fd [2021-03-26 10:05:28,741 INFO L306 CDTParser]: Found 1 translation units. [2021-03-26 10:05:28,742 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix033_tso.opt.i [2021-03-26 10:05:28,756 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b17f32ba5/df52c0d229994596a000f97950d78419/FLAG4aaaed7fd [2021-03-26 10:05:29,170 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b17f32ba5/df52c0d229994596a000f97950d78419 [2021-03-26 10:05:29,172 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-03-26 10:05:29,173 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-03-26 10:05:29,174 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-03-26 10:05:29,174 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-03-26 10:05:29,182 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-03-26 10:05:29,183 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.03 10:05:29" (1/1) ... [2021-03-26 10:05:29,184 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b7ea82 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 10:05:29, skipping insertion in model container [2021-03-26 10:05:29,184 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.03 10:05:29" (1/1) ... [2021-03-26 10:05:29,190 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-03-26 10:05:29,230 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-03-26 10:05:29,395 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/mix033_tso.opt.i[948,961] [2021-03-26 10:05:29,537 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-26 10:05:29,544 INFO L203 MainTranslator]: Completed pre-run [2021-03-26 10:05:29,553 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/mix033_tso.opt.i[948,961] [2021-03-26 10:05:29,620 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-26 10:05:29,697 INFO L208 MainTranslator]: Completed translation [2021-03-26 10:05:29,698 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 10:05:29 WrapperNode [2021-03-26 10:05:29,699 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-03-26 10:05:29,700 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-03-26 10:05:29,701 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-03-26 10:05:29,701 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-03-26 10:05:29,707 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 10:05:29" (1/1) ... [2021-03-26 10:05:29,739 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 10:05:29" (1/1) ... [2021-03-26 10:05:29,770 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-03-26 10:05:29,771 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-03-26 10:05:29,771 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-03-26 10:05:29,771 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-03-26 10:05:29,778 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 10:05:29" (1/1) ... [2021-03-26 10:05:29,779 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 10:05:29" (1/1) ... [2021-03-26 10:05:29,782 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 10:05:29" (1/1) ... [2021-03-26 10:05:29,782 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 10:05:29" (1/1) ... [2021-03-26 10:05:29,790 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 10:05:29" (1/1) ... [2021-03-26 10:05:29,793 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 10:05:29" (1/1) ... [2021-03-26 10:05:29,795 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 10:05:29" (1/1) ... [2021-03-26 10:05:29,798 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-03-26 10:05:29,799 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-03-26 10:05:29,799 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-03-26 10:05:29,799 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-03-26 10:05:29,800 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 10:05:29" (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 10:05:29,875 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-03-26 10:05:29,875 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-03-26 10:05:29,876 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-03-26 10:05:29,876 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-03-26 10:05:29,876 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-03-26 10:05:29,876 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-03-26 10:05:29,876 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-03-26 10:05:29,876 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-03-26 10:05:29,876 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-03-26 10:05:29,876 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-03-26 10:05:29,876 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-03-26 10:05:29,877 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-03-26 10:05:29,877 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-03-26 10:05:29,877 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-03-26 10:05:29,878 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 10:05:31,046 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-03-26 10:05:31,046 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-03-26 10:05:31,048 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.03 10:05:31 BoogieIcfgContainer [2021-03-26 10:05:31,048 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-03-26 10:05:31,049 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-03-26 10:05:31,049 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-03-26 10:05:31,052 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-03-26 10:05:31,052 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.03 10:05:29" (1/3) ... [2021-03-26 10:05:31,053 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2964c14f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.03 10:05:31, skipping insertion in model container [2021-03-26 10:05:31,053 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 10:05:29" (2/3) ... [2021-03-26 10:05:31,053 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2964c14f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.03 10:05:31, skipping insertion in model container [2021-03-26 10:05:31,053 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.03 10:05:31" (3/3) ... [2021-03-26 10:05:31,054 INFO L111 eAbstractionObserver]: Analyzing ICFG mix033_tso.opt.i [2021-03-26 10:05:31,060 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-03-26 10:05:31,064 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2021-03-26 10:05:31,065 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-03-26 10:05:31,098 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:31,098 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:31,098 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:31,098 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:31,098 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:31,098 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:31,098 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:31,099 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:31,099 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:31,099 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:31,099 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:31,099 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:31,099 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:31,099 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:31,100 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:31,100 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:31,100 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:31,100 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:31,100 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:31,100 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:31,100 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:31,101 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:31,101 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:31,101 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:31,102 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:31,102 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:31,102 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:31,102 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:31,102 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:31,102 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:31,102 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:31,102 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:31,102 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:31,103 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:31,103 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:31,103 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:31,103 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:31,104 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:31,104 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:31,105 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:31,105 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:31,105 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:31,105 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:31,105 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:31,105 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:31,105 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:31,105 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:31,105 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:31,105 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:31,106 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:31,106 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:31,106 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:31,106 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:31,106 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:31,106 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:31,106 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:31,106 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:31,106 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:31,109 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:31,109 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:31,109 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:31,109 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:31,109 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:31,109 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:31,109 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:31,110 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:31,110 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:31,110 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:31,110 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:31,110 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:31,110 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:31,110 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:31,110 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:31,111 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:31,111 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:31,112 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:31,112 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:31,112 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:31,112 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:31,112 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:31,112 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:31,112 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:31,113 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:31,113 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:31,113 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:31,113 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:31,113 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:31,113 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:31,113 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:31,113 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:31,114 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:31,114 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:31,114 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:31,114 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:31,114 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:31,114 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:31,116 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:31,117 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:31,118 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:31,120 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:31,120 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:31,121 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:31,121 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:31,125 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:31,125 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:31,125 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:31,125 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:31,126 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:31,126 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:31,126 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:31,126 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:31,126 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:31,126 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:31,127 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:31,127 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:31,128 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:31,128 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:31,128 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:31,128 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:31,128 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:31,128 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:31,128 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:31,128 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:31,129 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:31,129 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:31,129 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:31,129 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:31,129 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:31,129 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:31,129 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:31,130 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:31,130 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:31,130 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:31,130 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:31,132 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:31,132 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:31,132 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:31,133 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:31,133 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:31,133 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:31,133 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:31,133 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:31,133 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:31,133 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:31,133 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:31,133 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:31,134 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:31,134 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:31,134 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:31,134 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:31,134 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:31,134 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:31,135 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:31,135 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:31,135 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:31,135 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:31,135 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:31,135 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:31,135 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:31,135 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:31,136 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:31,137 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:31,138 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:31,138 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:31,138 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:31,138 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:31,139 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:31,140 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:31,140 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:31,140 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:31,140 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:31,140 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:31,140 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:31,143 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:31,144 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:31,144 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:31,144 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:05:31,145 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-03-26 10:05:31,193 INFO L253 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2021-03-26 10:05:31,222 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-03-26 10:05:31,222 INFO L377 AbstractCegarLoop]: Hoare is false [2021-03-26 10:05:31,223 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-03-26 10:05:31,223 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-03-26 10:05:31,223 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-03-26 10:05:31,223 INFO L381 AbstractCegarLoop]: Difference is false [2021-03-26 10:05:31,223 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-03-26 10:05:31,223 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-03-26 10:05:31,237 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 112 places, 104 transitions, 223 flow [2021-03-26 10:05:31,275 INFO L129 PetriNetUnfolder]: 2/101 cut-off events. [2021-03-26 10:05:31,276 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-26 10:05:31,279 INFO L84 FinitePrefix]: Finished finitePrefix Result has 111 conditions, 101 events. 2/101 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 73 event pairs, 0 based on Foata normal form. 0/97 useless extension candidates. Maximal degree in co-relation 63. Up to 2 conditions per place. [2021-03-26 10:05:31,279 INFO L82 GeneralOperation]: Start removeDead. Operand has 112 places, 104 transitions, 223 flow [2021-03-26 10:05:31,284 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 109 places, 101 transitions, 211 flow [2021-03-26 10:05:31,285 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 10:05:31,298 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 109 places, 101 transitions, 211 flow [2021-03-26 10:05:31,300 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 109 places, 101 transitions, 211 flow [2021-03-26 10:05:31,302 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 109 places, 101 transitions, 211 flow [2021-03-26 10:05:31,318 INFO L129 PetriNetUnfolder]: 2/101 cut-off events. [2021-03-26 10:05:31,318 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-26 10:05:31,319 INFO L84 FinitePrefix]: Finished finitePrefix Result has 111 conditions, 101 events. 2/101 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 73 event pairs, 0 based on Foata normal form. 0/97 useless extension candidates. Maximal degree in co-relation 63. Up to 2 conditions per place. [2021-03-26 10:05:31,321 INFO L142 LiptonReduction]: Number of co-enabled transitions 1832 [2021-03-26 10:05:32,490 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 58 [2021-03-26 10:05:32,926 WARN L205 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 81 [2021-03-26 10:05:33,062 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2021-03-26 10:05:34,186 INFO L154 LiptonReduction]: Checked pairs total: 3136 [2021-03-26 10:05:34,186 INFO L156 LiptonReduction]: Total number of compositions: 73 [2021-03-26 10:05:34,188 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2904 [2021-03-26 10:05:34,197 INFO L129 PetriNetUnfolder]: 0/24 cut-off events. [2021-03-26 10:05:34,197 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-26 10:05:34,198 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 10:05:34,198 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 10:05:34,198 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 10:05:34,202 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 10:05:34,203 INFO L82 PathProgramCache]: Analyzing trace with hash 175322, now seen corresponding path program 1 times [2021-03-26 10:05:34,210 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 10:05:34,210 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [103152804] [2021-03-26 10:05:34,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 10:05:34,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 10:05:34,436 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:05:34,437 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 10:05:34,438 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:05:34,439 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:05:34,445 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 10:05:34,446 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [103152804] [2021-03-26 10:05:34,446 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 10:05:34,447 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-03-26 10:05:34,450 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1015045454] [2021-03-26 10:05:34,457 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-26 10:05:34,458 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 10:05:34,467 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-26 10:05:34,470 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-26 10:05:34,473 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 157 out of 177 [2021-03-26 10:05:34,478 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 48 places, 39 transitions, 87 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 10:05:34,478 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 10:05:34,478 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 157 of 177 [2021-03-26 10:05:34,479 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 10:05:34,539 INFO L129 PetriNetUnfolder]: 9/72 cut-off events. [2021-03-26 10:05:34,539 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-26 10:05:34,540 INFO L84 FinitePrefix]: Finished finitePrefix Result has 104 conditions, 72 events. 9/72 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 198 event pairs, 3 based on Foata normal form. 6/70 useless extension candidates. Maximal degree in co-relation 83. Up to 17 conditions per place. [2021-03-26 10:05:34,542 INFO L132 encePairwiseOnDemand]: 173/177 looper letters, 5 selfloop transitions, 2 changer transitions 0/38 dead transitions. [2021-03-26 10:05:34,542 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 48 places, 38 transitions, 99 flow [2021-03-26 10:05:34,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-26 10:05:34,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-26 10:05:34,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 481 transitions. [2021-03-26 10:05:34,562 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.9058380414312618 [2021-03-26 10:05:34,562 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 481 transitions. [2021-03-26 10:05:34,563 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 481 transitions. [2021-03-26 10:05:34,565 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 10:05:34,567 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 481 transitions. [2021-03-26 10:05:34,570 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 10:05:34,582 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 177.0) internal successors, (708), 4 states have internal predecessors, (708), 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 10:05:34,582 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 177.0) internal successors, (708), 4 states have internal predecessors, (708), 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 10:05:34,584 INFO L185 Difference]: Start difference. First operand has 48 places, 39 transitions, 87 flow. Second operand 3 states and 481 transitions. [2021-03-26 10:05:34,584 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 48 places, 38 transitions, 99 flow [2021-03-26 10:05:34,586 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 45 places, 38 transitions, 96 flow, removed 0 selfloop flow, removed 3 redundant places. [2021-03-26 10:05:34,587 INFO L241 Difference]: Finished difference. Result has 45 places, 36 transitions, 82 flow [2021-03-26 10:05:34,589 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=177, PETRI_DIFFERENCE_MINUEND_FLOW=78, PETRI_DIFFERENCE_MINUEND_PLACES=43, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=36, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=34, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=82, PETRI_PLACES=45, PETRI_TRANSITIONS=36} [2021-03-26 10:05:34,590 INFO L343 CegarLoopForPetriNet]: 48 programPoint places, -3 predicate places. [2021-03-26 10:05:34,590 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 10:05:34,590 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 45 places, 36 transitions, 82 flow [2021-03-26 10:05:34,590 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 45 places, 36 transitions, 82 flow [2021-03-26 10:05:34,591 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 45 places, 36 transitions, 82 flow [2021-03-26 10:05:34,598 INFO L129 PetriNetUnfolder]: 0/36 cut-off events. [2021-03-26 10:05:34,598 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-26 10:05:34,598 INFO L84 FinitePrefix]: Finished finitePrefix Result has 46 conditions, 36 events. 0/36 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 41 event pairs, 0 based on Foata normal form. 0/34 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2021-03-26 10:05:34,599 INFO L142 LiptonReduction]: Number of co-enabled transitions 302 [2021-03-26 10:05:36,042 WARN L205 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 102 [2021-03-26 10:05:36,148 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-03-26 10:05:36,336 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 102 [2021-03-26 10:05:36,441 INFO L154 LiptonReduction]: Checked pairs total: 1734 [2021-03-26 10:05:36,442 INFO L156 LiptonReduction]: Total number of compositions: 12 [2021-03-26 10:05:36,442 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1852 [2021-03-26 10:05:36,444 INFO L480 AbstractCegarLoop]: Abstraction has has 33 places, 24 transitions, 58 flow [2021-03-26 10:05:36,444 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 10:05:36,444 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 10:05:36,444 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 10:05:36,448 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-03-26 10:05:36,448 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 10:05:36,451 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 10:05:36,451 INFO L82 PathProgramCache]: Analyzing trace with hash 930779888, now seen corresponding path program 1 times [2021-03-26 10:05:36,451 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 10:05:36,452 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1142670164] [2021-03-26 10:05:36,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 10:05:36,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 10:05:36,592 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:05:36,593 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 10:05:36,599 INFO L142 QuantifierPusher]: treesize reduction 3, result has 87.5 percent of original size [2021-03-26 10:05:36,600 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 10:05:36,612 INFO L142 QuantifierPusher]: treesize reduction 9, result has 30.8 percent of original size [2021-03-26 10:05:36,613 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-26 10:05:36,618 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 10:05:36,618 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1142670164] [2021-03-26 10:05:36,618 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 10:05:36,618 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-26 10:05:36,619 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [347427707] [2021-03-26 10:05:36,619 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-26 10:05:36,620 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 10:05:36,620 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-26 10:05:36,620 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-26 10:05:36,622 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 143 out of 189 [2021-03-26 10:05:36,623 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 33 places, 24 transitions, 58 flow. Second operand has 4 states, 4 states have (on average 144.5) internal successors, (578), 4 states have internal predecessors, (578), 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 10:05:36,623 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 10:05:36,624 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 143 of 189 [2021-03-26 10:05:36,624 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 10:05:36,727 INFO L129 PetriNetUnfolder]: 148/348 cut-off events. [2021-03-26 10:05:36,727 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-26 10:05:36,728 INFO L84 FinitePrefix]: Finished finitePrefix Result has 621 conditions, 348 events. 148/348 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 56. Compared 1887 event pairs, 34 based on Foata normal form. 0/313 useless extension candidates. Maximal degree in co-relation 611. Up to 117 conditions per place. [2021-03-26 10:05:36,730 INFO L132 encePairwiseOnDemand]: 180/189 looper letters, 7 selfloop transitions, 7 changer transitions 14/43 dead transitions. [2021-03-26 10:05:36,730 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 37 places, 43 transitions, 152 flow [2021-03-26 10:05:36,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-26 10:05:36,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-26 10:05:36,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 744 transitions. [2021-03-26 10:05:36,732 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7873015873015873 [2021-03-26 10:05:36,732 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 744 transitions. [2021-03-26 10:05:36,732 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 744 transitions. [2021-03-26 10:05:36,733 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 10:05:36,733 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 744 transitions. [2021-03-26 10:05:36,735 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 148.8) internal successors, (744), 5 states have internal predecessors, (744), 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 10:05:36,737 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 189.0) internal successors, (1134), 6 states have internal predecessors, (1134), 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 10:05:36,738 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 189.0) internal successors, (1134), 6 states have internal predecessors, (1134), 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 10:05:36,738 INFO L185 Difference]: Start difference. First operand has 33 places, 24 transitions, 58 flow. Second operand 5 states and 744 transitions. [2021-03-26 10:05:36,738 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 37 places, 43 transitions, 152 flow [2021-03-26 10:05:36,739 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 35 places, 43 transitions, 148 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-03-26 10:05:36,740 INFO L241 Difference]: Finished difference. Result has 39 places, 29 transitions, 118 flow [2021-03-26 10:05:36,740 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=189, 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=17, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=118, PETRI_PLACES=39, PETRI_TRANSITIONS=29} [2021-03-26 10:05:36,740 INFO L343 CegarLoopForPetriNet]: 48 programPoint places, -9 predicate places. [2021-03-26 10:05:36,740 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 10:05:36,741 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 39 places, 29 transitions, 118 flow [2021-03-26 10:05:36,741 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 39 places, 29 transitions, 118 flow [2021-03-26 10:05:36,741 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 36 places, 29 transitions, 118 flow [2021-03-26 10:05:36,760 INFO L129 PetriNetUnfolder]: 72/196 cut-off events. [2021-03-26 10:05:36,760 INFO L130 PetriNetUnfolder]: For 48/54 co-relation queries the response was YES. [2021-03-26 10:05:36,761 INFO L84 FinitePrefix]: Finished finitePrefix Result has 465 conditions, 196 events. 72/196 cut-off events. For 48/54 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 1014 event pairs, 38 based on Foata normal form. 0/188 useless extension candidates. Maximal degree in co-relation 453. Up to 117 conditions per place. [2021-03-26 10:05:36,763 INFO L142 LiptonReduction]: Number of co-enabled transitions 280 [2021-03-26 10:05:37,149 WARN L205 SmtUtils]: Spent 377.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 122 [2021-03-26 10:05:37,285 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2021-03-26 10:05:37,577 WARN L205 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 122 [2021-03-26 10:05:37,703 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2021-03-26 10:05:37,715 INFO L154 LiptonReduction]: Checked pairs total: 352 [2021-03-26 10:05:37,715 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 10:05:37,715 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 975 [2021-03-26 10:05:37,716 INFO L480 AbstractCegarLoop]: Abstraction has has 35 places, 28 transitions, 116 flow [2021-03-26 10:05:37,717 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 144.5) internal successors, (578), 4 states have internal predecessors, (578), 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 10:05:37,717 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 10:05:37,717 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 10:05:37,717 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-03-26 10:05:37,717 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 10:05:37,717 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 10:05:37,718 INFO L82 PathProgramCache]: Analyzing trace with hash -957009747, now seen corresponding path program 1 times [2021-03-26 10:05:37,718 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 10:05:37,718 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [107981985] [2021-03-26 10:05:37,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 10:05:37,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 10:05:37,761 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:05:37,761 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:05:37,764 INFO L142 QuantifierPusher]: treesize reduction 3, result has 87.5 percent of original size [2021-03-26 10:05:37,765 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 10:05:37,773 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 10:05:37,774 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [107981985] [2021-03-26 10:05:37,774 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 10:05:37,774 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-03-26 10:05:37,774 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1711325413] [2021-03-26 10:05:37,774 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-26 10:05:37,774 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 10:05:37,775 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-26 10:05:37,775 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-03-26 10:05:37,776 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 147 out of 190 [2021-03-26 10:05:37,777 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 35 places, 28 transitions, 116 flow. Second operand has 4 states, 4 states have (on average 147.75) internal successors, (591), 4 states have internal predecessors, (591), 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 10:05:37,777 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 10:05:37,777 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 147 of 190 [2021-03-26 10:05:37,777 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 10:05:37,829 INFO L129 PetriNetUnfolder]: 57/180 cut-off events. [2021-03-26 10:05:37,829 INFO L130 PetriNetUnfolder]: For 66/145 co-relation queries the response was YES. [2021-03-26 10:05:37,829 INFO L84 FinitePrefix]: Finished finitePrefix Result has 524 conditions, 180 events. 57/180 cut-off events. For 66/145 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 872 event pairs, 8 based on Foata normal form. 2/177 useless extension candidates. Maximal degree in co-relation 511. Up to 96 conditions per place. [2021-03-26 10:05:37,831 INFO L132 encePairwiseOnDemand]: 182/190 looper letters, 12 selfloop transitions, 8 changer transitions 0/34 dead transitions. [2021-03-26 10:05:37,832 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 38 places, 34 transitions, 192 flow [2021-03-26 10:05:37,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-26 10:05:37,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-03-26 10:05:37,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 605 transitions. [2021-03-26 10:05:37,835 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7960526315789473 [2021-03-26 10:05:37,835 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 605 transitions. [2021-03-26 10:05:37,835 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 605 transitions. [2021-03-26 10:05:37,836 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 10:05:37,836 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 605 transitions. [2021-03-26 10:05:37,838 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 151.25) internal successors, (605), 4 states have internal predecessors, (605), 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 10:05:37,840 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 190.0) internal successors, (950), 5 states have internal predecessors, (950), 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 10:05:37,841 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 190.0) internal successors, (950), 5 states have internal predecessors, (950), 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 10:05:37,841 INFO L185 Difference]: Start difference. First operand has 35 places, 28 transitions, 116 flow. Second operand 4 states and 605 transitions. [2021-03-26 10:05:37,841 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 38 places, 34 transitions, 192 flow [2021-03-26 10:05:37,845 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 34 places, 34 transitions, 154 flow, removed 8 selfloop flow, removed 4 redundant places. [2021-03-26 10:05:37,846 INFO L241 Difference]: Finished difference. Result has 37 places, 32 transitions, 148 flow [2021-03-26 10:05:37,846 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=190, PETRI_DIFFERENCE_MINUEND_FLOW=90, PETRI_DIFFERENCE_MINUEND_PLACES=31, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=28, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=20, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=148, PETRI_PLACES=37, PETRI_TRANSITIONS=32} [2021-03-26 10:05:37,846 INFO L343 CegarLoopForPetriNet]: 48 programPoint places, -11 predicate places. [2021-03-26 10:05:37,847 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 10:05:37,847 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 37 places, 32 transitions, 148 flow [2021-03-26 10:05:37,847 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 37 places, 32 transitions, 148 flow [2021-03-26 10:05:37,848 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 37 places, 32 transitions, 148 flow [2021-03-26 10:05:37,866 INFO L129 PetriNetUnfolder]: 57/172 cut-off events. [2021-03-26 10:05:37,866 INFO L130 PetriNetUnfolder]: For 94/100 co-relation queries the response was YES. [2021-03-26 10:05:37,867 INFO L84 FinitePrefix]: Finished finitePrefix Result has 418 conditions, 172 events. 57/172 cut-off events. For 94/100 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 858 event pairs, 25 based on Foata normal form. 0/167 useless extension candidates. Maximal degree in co-relation 406. Up to 96 conditions per place. [2021-03-26 10:05:37,868 INFO L142 LiptonReduction]: Number of co-enabled transitions 310 [2021-03-26 10:05:37,876 INFO L154 LiptonReduction]: Checked pairs total: 265 [2021-03-26 10:05:37,876 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 10:05:37,876 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 29 [2021-03-26 10:05:37,879 INFO L480 AbstractCegarLoop]: Abstraction has has 37 places, 32 transitions, 148 flow [2021-03-26 10:05:37,880 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 147.75) internal successors, (591), 4 states have internal predecessors, (591), 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 10:05:37,880 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 10:05:37,880 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 10:05:37,880 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-03-26 10:05:37,880 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 10:05:37,881 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 10:05:37,881 INFO L82 PathProgramCache]: Analyzing trace with hash 2017287020, now seen corresponding path program 1 times [2021-03-26 10:05:37,881 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 10:05:37,881 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [200064513] [2021-03-26 10:05:37,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 10:05:37,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 10:05:37,952 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:05:37,952 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:05:37,954 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 10:05:37,954 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [200064513] [2021-03-26 10:05:37,955 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 10:05:37,955 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-03-26 10:05:37,955 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1657331923] [2021-03-26 10:05:37,955 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-26 10:05:37,955 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 10:05:37,955 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-26 10:05:37,956 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-26 10:05:37,956 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 162 out of 190 [2021-03-26 10:05:37,957 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 37 places, 32 transitions, 148 flow. Second operand has 3 states, 3 states have (on average 162.66666666666666) internal successors, (488), 3 states have internal predecessors, (488), 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 10:05:37,957 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 10:05:37,957 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 162 of 190 [2021-03-26 10:05:37,957 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 10:05:37,980 INFO L129 PetriNetUnfolder]: 51/154 cut-off events. [2021-03-26 10:05:37,980 INFO L130 PetriNetUnfolder]: For 146/152 co-relation queries the response was YES. [2021-03-26 10:05:37,981 INFO L84 FinitePrefix]: Finished finitePrefix Result has 422 conditions, 154 events. 51/154 cut-off events. For 146/152 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 698 event pairs, 23 based on Foata normal form. 2/151 useless extension candidates. Maximal degree in co-relation 408. Up to 88 conditions per place. [2021-03-26 10:05:37,982 INFO L132 encePairwiseOnDemand]: 186/190 looper letters, 6 selfloop transitions, 5 changer transitions 0/35 dead transitions. [2021-03-26 10:05:37,982 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 39 places, 35 transitions, 188 flow [2021-03-26 10:05:37,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-26 10:05:37,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-26 10:05:37,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 493 transitions. [2021-03-26 10:05:37,984 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8649122807017544 [2021-03-26 10:05:37,984 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 493 transitions. [2021-03-26 10:05:37,984 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 493 transitions. [2021-03-26 10:05:37,984 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 10:05:37,984 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 493 transitions. [2021-03-26 10:05:37,986 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 164.33333333333334) internal successors, (493), 3 states have internal predecessors, (493), 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 10:05:37,987 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 190.0) internal successors, (760), 4 states have internal predecessors, (760), 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 10:05:37,987 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 190.0) internal successors, (760), 4 states have internal predecessors, (760), 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 10:05:37,987 INFO L185 Difference]: Start difference. First operand has 37 places, 32 transitions, 148 flow. Second operand 3 states and 493 transitions. [2021-03-26 10:05:37,987 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 39 places, 35 transitions, 188 flow [2021-03-26 10:05:37,990 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 38 places, 35 transitions, 185 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-03-26 10:05:37,991 INFO L241 Difference]: Finished difference. Result has 39 places, 35 transitions, 186 flow [2021-03-26 10:05:37,991 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=190, PETRI_DIFFERENCE_MINUEND_FLOW=145, PETRI_DIFFERENCE_MINUEND_PLACES=36, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=32, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=27, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=186, PETRI_PLACES=39, PETRI_TRANSITIONS=35} [2021-03-26 10:05:37,992 INFO L343 CegarLoopForPetriNet]: 48 programPoint places, -9 predicate places. [2021-03-26 10:05:37,992 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 10:05:37,992 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 39 places, 35 transitions, 186 flow [2021-03-26 10:05:37,992 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 39 places, 35 transitions, 186 flow [2021-03-26 10:05:37,993 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 39 places, 35 transitions, 186 flow [2021-03-26 10:05:38,010 INFO L129 PetriNetUnfolder]: 51/148 cut-off events. [2021-03-26 10:05:38,010 INFO L130 PetriNetUnfolder]: For 119/125 co-relation queries the response was YES. [2021-03-26 10:05:38,011 INFO L84 FinitePrefix]: Finished finitePrefix Result has 417 conditions, 148 events. 51/148 cut-off events. For 119/125 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 655 event pairs, 22 based on Foata normal form. 0/143 useless extension candidates. Maximal degree in co-relation 403. Up to 88 conditions per place. [2021-03-26 10:05:38,012 INFO L142 LiptonReduction]: Number of co-enabled transitions 342 [2021-03-26 10:05:38,016 INFO L154 LiptonReduction]: Checked pairs total: 292 [2021-03-26 10:05:38,016 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 10:05:38,017 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 25 [2021-03-26 10:05:38,021 INFO L480 AbstractCegarLoop]: Abstraction has has 39 places, 35 transitions, 186 flow [2021-03-26 10:05:38,021 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 162.66666666666666) internal successors, (488), 3 states have internal predecessors, (488), 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 10:05:38,021 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 10:05:38,021 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 10:05:38,021 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-03-26 10:05:38,022 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 10:05:38,022 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 10:05:38,022 INFO L82 PathProgramCache]: Analyzing trace with hash -27186906, now seen corresponding path program 1 times [2021-03-26 10:05:38,022 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 10:05:38,022 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [114426848] [2021-03-26 10:05:38,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 10:05:38,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 10:05:38,089 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:05:38,089 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:05:38,097 INFO L142 QuantifierPusher]: treesize reduction 3, result has 87.5 percent of original size [2021-03-26 10:05:38,098 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 10:05:38,105 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 10:05:38,105 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [114426848] [2021-03-26 10:05:38,106 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 10:05:38,106 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-03-26 10:05:38,106 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [613596088] [2021-03-26 10:05:38,106 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-26 10:05:38,106 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 10:05:38,106 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-26 10:05:38,107 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-03-26 10:05:38,108 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 147 out of 190 [2021-03-26 10:05:38,108 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 39 places, 35 transitions, 186 flow. Second operand has 4 states, 4 states have (on average 148.0) internal successors, (592), 4 states have internal predecessors, (592), 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 10:05:38,108 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 10:05:38,109 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 147 of 190 [2021-03-26 10:05:38,109 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 10:05:38,143 INFO L129 PetriNetUnfolder]: 39/132 cut-off events. [2021-03-26 10:05:38,143 INFO L130 PetriNetUnfolder]: For 126/165 co-relation queries the response was YES. [2021-03-26 10:05:38,143 INFO L84 FinitePrefix]: Finished finitePrefix Result has 442 conditions, 132 events. 39/132 cut-off events. For 126/165 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 565 event pairs, 12 based on Foata normal form. 7/135 useless extension candidates. Maximal degree in co-relation 426. Up to 70 conditions per place. [2021-03-26 10:05:38,144 INFO L132 encePairwiseOnDemand]: 183/190 looper letters, 17 selfloop transitions, 10 changer transitions 0/41 dead transitions. [2021-03-26 10:05:38,144 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 42 places, 41 transitions, 282 flow [2021-03-26 10:05:38,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-26 10:05:38,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-03-26 10:05:38,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 603 transitions. [2021-03-26 10:05:38,146 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7934210526315789 [2021-03-26 10:05:38,146 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 603 transitions. [2021-03-26 10:05:38,146 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 603 transitions. [2021-03-26 10:05:38,147 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 10:05:38,147 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 603 transitions. [2021-03-26 10:05:38,148 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 150.75) internal successors, (603), 4 states have internal predecessors, (603), 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 10:05:38,165 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 190.0) internal successors, (950), 5 states have internal predecessors, (950), 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 10:05:38,166 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 190.0) internal successors, (950), 5 states have internal predecessors, (950), 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 10:05:38,166 INFO L185 Difference]: Start difference. First operand has 39 places, 35 transitions, 186 flow. Second operand 4 states and 603 transitions. [2021-03-26 10:05:38,166 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 42 places, 41 transitions, 282 flow [2021-03-26 10:05:38,169 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 41 places, 41 transitions, 275 flow, removed 1 selfloop flow, removed 1 redundant places. [2021-03-26 10:05:38,170 INFO L241 Difference]: Finished difference. Result has 44 places, 39 transitions, 260 flow [2021-03-26 10:05:38,170 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=190, PETRI_DIFFERENCE_MINUEND_FLOW=179, PETRI_DIFFERENCE_MINUEND_PLACES=38, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=35, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=25, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=260, PETRI_PLACES=44, PETRI_TRANSITIONS=39} [2021-03-26 10:05:38,170 INFO L343 CegarLoopForPetriNet]: 48 programPoint places, -4 predicate places. [2021-03-26 10:05:38,171 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 10:05:38,171 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 44 places, 39 transitions, 260 flow [2021-03-26 10:05:38,171 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 44 places, 39 transitions, 260 flow [2021-03-26 10:05:38,171 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 44 places, 39 transitions, 260 flow [2021-03-26 10:05:38,187 INFO L129 PetriNetUnfolder]: 39/124 cut-off events. [2021-03-26 10:05:38,188 INFO L130 PetriNetUnfolder]: For 203/210 co-relation queries the response was YES. [2021-03-26 10:05:38,188 INFO L84 FinitePrefix]: Finished finitePrefix Result has 420 conditions, 124 events. 39/124 cut-off events. For 203/210 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 520 event pairs, 15 based on Foata normal form. 0/118 useless extension candidates. Maximal degree in co-relation 402. Up to 70 conditions per place. [2021-03-26 10:05:38,189 INFO L142 LiptonReduction]: Number of co-enabled transitions 380 [2021-03-26 10:05:38,193 INFO L154 LiptonReduction]: Checked pairs total: 419 [2021-03-26 10:05:38,193 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 10:05:38,194 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 23 [2021-03-26 10:05:38,197 INFO L480 AbstractCegarLoop]: Abstraction has has 44 places, 39 transitions, 260 flow [2021-03-26 10:05:38,197 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 148.0) internal successors, (592), 4 states have internal predecessors, (592), 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 10:05:38,197 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 10:05:38,198 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 10:05:38,198 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-03-26 10:05:38,198 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 10:05:38,198 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 10:05:38,198 INFO L82 PathProgramCache]: Analyzing trace with hash 1153095833, now seen corresponding path program 1 times [2021-03-26 10:05:38,198 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 10:05:38,198 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [730036852] [2021-03-26 10:05:38,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 10:05:38,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 10:05:38,244 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:05:38,244 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:05:38,246 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:05:38,246 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:05:38,250 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:05:38,250 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 10:05:38,251 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 10:05:38,251 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [730036852] [2021-03-26 10:05:38,251 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 10:05:38,251 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-26 10:05:38,251 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [653532178] [2021-03-26 10:05:38,252 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-26 10:05:38,252 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 10:05:38,252 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-26 10:05:38,252 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-26 10:05:38,253 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 155 out of 190 [2021-03-26 10:05:38,255 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 44 places, 39 transitions, 260 flow. Second operand has 4 states, 4 states have (on average 155.75) internal successors, (623), 4 states have internal predecessors, (623), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:05:38,255 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 10:05:38,255 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 155 of 190 [2021-03-26 10:05:38,255 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 10:05:38,327 INFO L129 PetriNetUnfolder]: 215/503 cut-off events. [2021-03-26 10:05:38,327 INFO L130 PetriNetUnfolder]: For 301/318 co-relation queries the response was YES. [2021-03-26 10:05:38,329 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1225 conditions, 503 events. 215/503 cut-off events. For 301/318 co-relation queries the response was YES. Maximal size of possible extension queue 89. Compared 3355 event pairs, 83 based on Foata normal form. 43/448 useless extension candidates. Maximal degree in co-relation 1205. Up to 327 conditions per place. [2021-03-26 10:05:38,331 INFO L132 encePairwiseOnDemand]: 184/190 looper letters, 10 selfloop transitions, 8 changer transitions 0/50 dead transitions. [2021-03-26 10:05:38,332 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 48 places, 50 transitions, 318 flow [2021-03-26 10:05:38,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-26 10:05:38,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-26 10:05:38,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 795 transitions. [2021-03-26 10:05:38,334 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8368421052631579 [2021-03-26 10:05:38,334 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 795 transitions. [2021-03-26 10:05:38,334 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 795 transitions. [2021-03-26 10:05:38,334 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 10:05:38,334 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 795 transitions. [2021-03-26 10:05:38,336 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 159.0) internal successors, (795), 5 states have internal predecessors, (795), 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 10:05:38,338 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 10:05:38,338 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 10:05:38,338 INFO L185 Difference]: Start difference. First operand has 44 places, 39 transitions, 260 flow. Second operand 5 states and 795 transitions. [2021-03-26 10:05:38,338 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 48 places, 50 transitions, 318 flow [2021-03-26 10:05:38,340 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 47 places, 50 transitions, 314 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-03-26 10:05:38,341 INFO L241 Difference]: Finished difference. Result has 50 places, 46 transitions, 316 flow [2021-03-26 10:05:38,341 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=190, PETRI_DIFFERENCE_MINUEND_FLOW=256, PETRI_DIFFERENCE_MINUEND_PLACES=43, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=39, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=34, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=316, PETRI_PLACES=50, PETRI_TRANSITIONS=46} [2021-03-26 10:05:38,342 INFO L343 CegarLoopForPetriNet]: 48 programPoint places, 2 predicate places. [2021-03-26 10:05:38,342 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 10:05:38,342 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 50 places, 46 transitions, 316 flow [2021-03-26 10:05:38,342 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 50 places, 46 transitions, 316 flow [2021-03-26 10:05:38,342 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 50 places, 46 transitions, 316 flow [2021-03-26 10:05:38,376 INFO L129 PetriNetUnfolder]: 137/357 cut-off events. [2021-03-26 10:05:38,376 INFO L130 PetriNetUnfolder]: For 467/565 co-relation queries the response was YES. [2021-03-26 10:05:38,378 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1146 conditions, 357 events. 137/357 cut-off events. For 467/565 co-relation queries the response was YES. Maximal size of possible extension queue 63. Compared 2267 event pairs, 50 based on Foata normal form. 10/338 useless extension candidates. Maximal degree in co-relation 1124. Up to 189 conditions per place. [2021-03-26 10:05:38,380 INFO L142 LiptonReduction]: Number of co-enabled transitions 546 [2021-03-26 10:05:38,421 INFO L154 LiptonReduction]: Checked pairs total: 519 [2021-03-26 10:05:38,421 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 10:05:38,422 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 80 [2021-03-26 10:05:38,428 INFO L480 AbstractCegarLoop]: Abstraction has has 50 places, 45 transitions, 310 flow [2021-03-26 10:05:38,428 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 155.75) internal successors, (623), 4 states have internal predecessors, (623), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:05:38,428 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 10:05:38,428 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 10:05:38,429 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-03-26 10:05:38,429 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 10:05:38,429 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 10:05:38,429 INFO L82 PathProgramCache]: Analyzing trace with hash 1657950987, now seen corresponding path program 1 times [2021-03-26 10:05:38,429 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 10:05:38,429 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [332911392] [2021-03-26 10:05:38,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 10:05:38,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 10:05:38,474 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:05:38,474 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:05:38,477 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:05:38,477 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:05:38,480 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:05:38,480 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:05:38,483 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:05:38,483 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 10:05:38,483 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 10:05:38,483 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [332911392] [2021-03-26 10:05:38,483 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 10:05:38,484 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-26 10:05:38,484 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1782795261] [2021-03-26 10:05:38,484 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-26 10:05:38,484 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 10:05:38,484 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-26 10:05:38,484 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-03-26 10:05:38,486 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 155 out of 190 [2021-03-26 10:05:38,486 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 50 places, 45 transitions, 310 flow. Second operand has 5 states, 5 states have (on average 155.8) internal successors, (779), 5 states have internal predecessors, (779), 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 10:05:38,486 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 10:05:38,486 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 155 of 190 [2021-03-26 10:05:38,487 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 10:05:38,553 INFO L129 PetriNetUnfolder]: 140/358 cut-off events. [2021-03-26 10:05:38,553 INFO L130 PetriNetUnfolder]: For 446/623 co-relation queries the response was YES. [2021-03-26 10:05:38,555 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1297 conditions, 358 events. 140/358 cut-off events. For 446/623 co-relation queries the response was YES. Maximal size of possible extension queue 53. Compared 2110 event pairs, 15 based on Foata normal form. 70/390 useless extension candidates. Maximal degree in co-relation 1273. Up to 212 conditions per place. [2021-03-26 10:05:38,557 INFO L132 encePairwiseOnDemand]: 184/190 looper letters, 8 selfloop transitions, 11 changer transitions 3/54 dead transitions. [2021-03-26 10:05:38,557 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 53 places, 54 transitions, 398 flow [2021-03-26 10:05:38,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-26 10:05:38,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-03-26 10:05:38,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 954 transitions. [2021-03-26 10:05:38,559 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8368421052631579 [2021-03-26 10:05:38,559 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 954 transitions. [2021-03-26 10:05:38,559 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 954 transitions. [2021-03-26 10:05:38,560 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 10:05:38,560 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 954 transitions. [2021-03-26 10:05:38,562 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 159.0) internal successors, (954), 6 states have internal predecessors, (954), 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 10:05:38,564 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 190.0) internal successors, (1330), 7 states have internal predecessors, (1330), 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 10:05:38,564 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 190.0) internal successors, (1330), 7 states have internal predecessors, (1330), 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 10:05:38,564 INFO L185 Difference]: Start difference. First operand has 50 places, 45 transitions, 310 flow. Second operand 6 states and 954 transitions. [2021-03-26 10:05:38,564 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 53 places, 54 transitions, 398 flow [2021-03-26 10:05:38,567 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 51 places, 54 transitions, 392 flow, removed 1 selfloop flow, removed 2 redundant places. [2021-03-26 10:05:38,568 INFO L241 Difference]: Finished difference. Result has 54 places, 49 transitions, 374 flow [2021-03-26 10:05:38,569 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=190, PETRI_DIFFERENCE_MINUEND_FLOW=286, PETRI_DIFFERENCE_MINUEND_PLACES=46, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=42, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=34, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=374, PETRI_PLACES=54, PETRI_TRANSITIONS=49} [2021-03-26 10:05:38,569 INFO L343 CegarLoopForPetriNet]: 48 programPoint places, 6 predicate places. [2021-03-26 10:05:38,569 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 10:05:38,569 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 54 places, 49 transitions, 374 flow [2021-03-26 10:05:38,569 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 54 places, 49 transitions, 374 flow [2021-03-26 10:05:38,570 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 54 places, 49 transitions, 374 flow [2021-03-26 10:05:38,591 INFO L129 PetriNetUnfolder]: 76/248 cut-off events. [2021-03-26 10:05:38,591 INFO L130 PetriNetUnfolder]: For 544/587 co-relation queries the response was YES. [2021-03-26 10:05:38,592 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1008 conditions, 248 events. 76/248 cut-off events. For 544/587 co-relation queries the response was YES. Maximal size of possible extension queue 34. Compared 1411 event pairs, 13 based on Foata normal form. 1/241 useless extension candidates. Maximal degree in co-relation 983. Up to 146 conditions per place. [2021-03-26 10:05:38,594 INFO L142 LiptonReduction]: Number of co-enabled transitions 492 [2021-03-26 10:05:38,606 INFO L154 LiptonReduction]: Checked pairs total: 563 [2021-03-26 10:05:38,607 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 10:05:38,607 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 38 [2021-03-26 10:05:38,607 INFO L480 AbstractCegarLoop]: Abstraction has has 54 places, 48 transitions, 366 flow [2021-03-26 10:05:38,608 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 155.8) internal successors, (779), 5 states have internal predecessors, (779), 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 10:05:38,608 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 10:05:38,608 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 10:05:38,608 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-03-26 10:05:38,608 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 10:05:38,608 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 10:05:38,608 INFO L82 PathProgramCache]: Analyzing trace with hash 496234653, now seen corresponding path program 1 times [2021-03-26 10:05:38,609 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 10:05:38,609 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1933926446] [2021-03-26 10:05:38,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 10:05:38,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 10:05:38,687 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:05:38,687 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:05:38,691 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:05:38,692 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:05:38,694 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:05:38,695 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:05:38,698 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:05:38,698 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:05:38,702 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:05:38,702 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 10:05:38,702 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 10:05:38,702 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1933926446] [2021-03-26 10:05:38,702 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 10:05:38,702 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-03-26 10:05:38,702 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [910018719] [2021-03-26 10:05:38,703 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-26 10:05:38,703 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 10:05:38,703 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-26 10:05:38,704 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-03-26 10:05:38,705 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 155 out of 190 [2021-03-26 10:05:38,705 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 54 places, 48 transitions, 366 flow. Second operand has 6 states, 6 states have (on average 155.83333333333334) internal successors, (935), 6 states have internal predecessors, (935), 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 10:05:38,706 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 10:05:38,706 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 155 of 190 [2021-03-26 10:05:38,706 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 10:05:38,776 INFO L129 PetriNetUnfolder]: 110/265 cut-off events. [2021-03-26 10:05:38,776 INFO L130 PetriNetUnfolder]: For 770/865 co-relation queries the response was YES. [2021-03-26 10:05:38,778 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1107 conditions, 265 events. 110/265 cut-off events. For 770/865 co-relation queries the response was YES. Maximal size of possible extension queue 36. Compared 1390 event pairs, 8 based on Foata normal form. 43/272 useless extension candidates. Maximal degree in co-relation 1080. Up to 144 conditions per place. [2021-03-26 10:05:38,779 INFO L132 encePairwiseOnDemand]: 184/190 looper letters, 5 selfloop transitions, 11 changer transitions 4/52 dead transitions. [2021-03-26 10:05:38,779 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 58 places, 52 transitions, 412 flow [2021-03-26 10:05:38,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 10:05:38,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 10:05:38,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1107 transitions. [2021-03-26 10:05:38,782 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8323308270676691 [2021-03-26 10:05:38,782 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1107 transitions. [2021-03-26 10:05:38,782 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1107 transitions. [2021-03-26 10:05:38,783 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 10:05:38,783 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1107 transitions. [2021-03-26 10:05:38,785 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 158.14285714285714) internal successors, (1107), 7 states have internal predecessors, (1107), 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 10:05:38,787 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 190.0) internal successors, (1520), 8 states have internal predecessors, (1520), 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 10:05:38,787 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 190.0) internal successors, (1520), 8 states have internal predecessors, (1520), 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 10:05:38,788 INFO L185 Difference]: Start difference. First operand has 54 places, 48 transitions, 366 flow. Second operand 7 states and 1107 transitions. [2021-03-26 10:05:38,788 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 58 places, 52 transitions, 412 flow [2021-03-26 10:05:38,791 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 53 places, 52 transitions, 378 flow, removed 11 selfloop flow, removed 5 redundant places. [2021-03-26 10:05:38,793 INFO L241 Difference]: Finished difference. Result has 56 places, 46 transitions, 344 flow [2021-03-26 10:05:38,793 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=190, PETRI_DIFFERENCE_MINUEND_FLOW=302, PETRI_DIFFERENCE_MINUEND_PLACES=47, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=45, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=34, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=344, PETRI_PLACES=56, PETRI_TRANSITIONS=46} [2021-03-26 10:05:38,793 INFO L343 CegarLoopForPetriNet]: 48 programPoint places, 8 predicate places. [2021-03-26 10:05:38,793 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 10:05:38,793 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 56 places, 46 transitions, 344 flow [2021-03-26 10:05:38,794 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 56 places, 46 transitions, 344 flow [2021-03-26 10:05:38,794 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 55 places, 46 transitions, 344 flow [2021-03-26 10:05:38,808 INFO L129 PetriNetUnfolder]: 45/149 cut-off events. [2021-03-26 10:05:38,808 INFO L130 PetriNetUnfolder]: For 303/313 co-relation queries the response was YES. [2021-03-26 10:05:38,809 INFO L84 FinitePrefix]: Finished finitePrefix Result has 597 conditions, 149 events. 45/149 cut-off events. For 303/313 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 666 event pairs, 7 based on Foata normal form. 1/144 useless extension candidates. Maximal degree in co-relation 572. Up to 51 conditions per place. [2021-03-26 10:05:38,810 INFO L142 LiptonReduction]: Number of co-enabled transitions 352 [2021-03-26 10:05:39,135 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-03-26 10:05:39,282 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-03-26 10:05:39,578 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2021-03-26 10:05:39,697 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2021-03-26 10:05:39,704 INFO L154 LiptonReduction]: Checked pairs total: 600 [2021-03-26 10:05:39,705 INFO L156 LiptonReduction]: Total number of compositions: 3 [2021-03-26 10:05:39,705 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 912 [2021-03-26 10:05:39,705 INFO L480 AbstractCegarLoop]: Abstraction has has 52 places, 43 transitions, 330 flow [2021-03-26 10:05:39,706 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 155.83333333333334) internal successors, (935), 6 states have internal predecessors, (935), 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 10:05:39,706 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 10:05:39,706 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 10:05:39,706 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-03-26 10:05:39,706 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 10:05:39,707 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 10:05:39,707 INFO L82 PathProgramCache]: Analyzing trace with hash 1964175552, now seen corresponding path program 1 times [2021-03-26 10:05:39,707 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 10:05:39,707 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [830486856] [2021-03-26 10:05:39,707 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 10:05:39,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 10:05:39,752 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:05:39,752 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 10:05:39,752 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:05:39,753 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:05:39,755 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:05:39,755 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:05:39,758 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 10:05:39,758 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [830486856] [2021-03-26 10:05:39,758 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 10:05:39,758 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-26 10:05:39,758 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [579304782] [2021-03-26 10:05:39,759 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-26 10:05:39,759 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 10:05:39,759 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-26 10:05:39,759 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-26 10:05:39,760 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 159 out of 192 [2021-03-26 10:05:39,761 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 52 places, 43 transitions, 330 flow. Second operand has 4 states, 4 states have (on average 160.0) internal successors, (640), 4 states have internal predecessors, (640), 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 10:05:39,761 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 10:05:39,761 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 159 of 192 [2021-03-26 10:05:39,761 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 10:05:39,795 INFO L129 PetriNetUnfolder]: 63/194 cut-off events. [2021-03-26 10:05:39,795 INFO L130 PetriNetUnfolder]: For 458/493 co-relation queries the response was YES. [2021-03-26 10:05:39,796 INFO L84 FinitePrefix]: Finished finitePrefix Result has 766 conditions, 194 events. 63/194 cut-off events. For 458/493 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 987 event pairs, 10 based on Foata normal form. 20/208 useless extension candidates. Maximal degree in co-relation 741. Up to 63 conditions per place. [2021-03-26 10:05:39,797 INFO L132 encePairwiseOnDemand]: 189/192 looper letters, 3 selfloop transitions, 1 changer transitions 11/44 dead transitions. [2021-03-26 10:05:39,797 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 55 places, 44 transitions, 348 flow [2021-03-26 10:05:39,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-26 10:05:39,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-03-26 10:05:39,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 642 transitions. [2021-03-26 10:05:39,799 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8359375 [2021-03-26 10:05:39,799 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 642 transitions. [2021-03-26 10:05:39,799 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 642 transitions. [2021-03-26 10:05:39,799 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 10:05:39,799 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 642 transitions. [2021-03-26 10:05:39,801 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 160.5) internal successors, (642), 4 states have internal predecessors, (642), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:05:39,802 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 192.0) internal successors, (960), 5 states have internal predecessors, (960), 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 10:05:39,802 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 192.0) internal successors, (960), 5 states have internal predecessors, (960), 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 10:05:39,803 INFO L185 Difference]: Start difference. First operand has 52 places, 43 transitions, 330 flow. Second operand 4 states and 642 transitions. [2021-03-26 10:05:39,803 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 55 places, 44 transitions, 348 flow [2021-03-26 10:05:39,806 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 48 places, 44 transitions, 304 flow, removed 13 selfloop flow, removed 7 redundant places. [2021-03-26 10:05:39,807 INFO L241 Difference]: Finished difference. Result has 50 places, 33 transitions, 205 flow [2021-03-26 10:05:39,807 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=192, PETRI_DIFFERENCE_MINUEND_FLOW=286, PETRI_DIFFERENCE_MINUEND_PLACES=45, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=43, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=42, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=205, PETRI_PLACES=50, PETRI_TRANSITIONS=33} [2021-03-26 10:05:39,807 INFO L343 CegarLoopForPetriNet]: 48 programPoint places, 2 predicate places. [2021-03-26 10:05:39,807 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 10:05:39,807 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 50 places, 33 transitions, 205 flow [2021-03-26 10:05:39,808 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 50 places, 33 transitions, 205 flow [2021-03-26 10:05:39,808 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 49 places, 33 transitions, 205 flow [2021-03-26 10:05:39,817 INFO L129 PetriNetUnfolder]: 24/90 cut-off events. [2021-03-26 10:05:39,817 INFO L130 PetriNetUnfolder]: For 118/124 co-relation queries the response was YES. [2021-03-26 10:05:39,817 INFO L84 FinitePrefix]: Finished finitePrefix Result has 298 conditions, 90 events. 24/90 cut-off events. For 118/124 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 350 event pairs, 4 based on Foata normal form. 5/92 useless extension candidates. Maximal degree in co-relation 279. Up to 29 conditions per place. [2021-03-26 10:05:39,818 INFO L142 LiptonReduction]: Number of co-enabled transitions 190 [2021-03-26 10:05:39,885 INFO L154 LiptonReduction]: Checked pairs total: 123 [2021-03-26 10:05:39,885 INFO L156 LiptonReduction]: Total number of compositions: 3 [2021-03-26 10:05:39,886 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 79 [2021-03-26 10:05:39,886 INFO L480 AbstractCegarLoop]: Abstraction has has 48 places, 32 transitions, 209 flow [2021-03-26 10:05:39,886 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 160.0) internal successors, (640), 4 states have internal predecessors, (640), 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 10:05:39,886 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 10:05:39,886 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 10:05:39,886 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-03-26 10:05:39,886 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 10:05:39,887 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 10:05:39,887 INFO L82 PathProgramCache]: Analyzing trace with hash -309550968, now seen corresponding path program 1 times [2021-03-26 10:05:39,887 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 10:05:39,887 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1611196699] [2021-03-26 10:05:39,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 10:05:39,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 10:05:39,921 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:05:39,921 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 10:05:39,921 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:05:39,922 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:05:39,924 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 10:05:39,924 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1611196699] [2021-03-26 10:05:39,924 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 10:05:39,924 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-03-26 10:05:39,924 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1003739962] [2021-03-26 10:05:39,925 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-26 10:05:39,925 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 10:05:39,925 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-26 10:05:39,925 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-26 10:05:39,926 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 162 out of 195 [2021-03-26 10:05:39,926 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 48 places, 32 transitions, 209 flow. Second operand has 3 states, 3 states have (on average 163.33333333333334) internal successors, (490), 3 states have internal predecessors, (490), 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 10:05:39,926 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 10:05:39,926 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 162 of 195 [2021-03-26 10:05:39,926 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 10:05:39,948 INFO L129 PetriNetUnfolder]: 27/103 cut-off events. [2021-03-26 10:05:39,949 INFO L130 PetriNetUnfolder]: For 280/294 co-relation queries the response was YES. [2021-03-26 10:05:39,949 INFO L84 FinitePrefix]: Finished finitePrefix Result has 355 conditions, 103 events. 27/103 cut-off events. For 280/294 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 444 event pairs, 4 based on Foata normal form. 12/112 useless extension candidates. Maximal degree in co-relation 334. Up to 31 conditions per place. [2021-03-26 10:05:39,949 INFO L132 encePairwiseOnDemand]: 190/195 looper letters, 2 selfloop transitions, 2 changer transitions 7/32 dead transitions. [2021-03-26 10:05:39,949 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 50 places, 32 transitions, 225 flow [2021-03-26 10:05:39,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-26 10:05:39,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-26 10:05:39,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 494 transitions. [2021-03-26 10:05:39,951 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8444444444444444 [2021-03-26 10:05:39,951 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 494 transitions. [2021-03-26 10:05:39,951 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 494 transitions. [2021-03-26 10:05:39,952 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 10:05:39,952 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 494 transitions. [2021-03-26 10:05:39,953 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 164.66666666666666) internal successors, (494), 3 states have internal predecessors, (494), 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 10:05:39,954 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 195.0) internal successors, (780), 4 states have internal predecessors, (780), 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 10:05:39,954 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 195.0) internal successors, (780), 4 states have internal predecessors, (780), 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 10:05:39,954 INFO L185 Difference]: Start difference. First operand has 48 places, 32 transitions, 209 flow. Second operand 3 states and 494 transitions. [2021-03-26 10:05:39,954 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 50 places, 32 transitions, 225 flow [2021-03-26 10:05:39,956 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 45 places, 32 transitions, 201 flow, removed 2 selfloop flow, removed 5 redundant places. [2021-03-26 10:05:39,957 INFO L241 Difference]: Finished difference. Result has 46 places, 25 transitions, 136 flow [2021-03-26 10:05:39,957 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=195, PETRI_DIFFERENCE_MINUEND_FLOW=185, PETRI_DIFFERENCE_MINUEND_PLACES=43, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=32, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=30, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=136, PETRI_PLACES=46, PETRI_TRANSITIONS=25} [2021-03-26 10:05:39,957 INFO L343 CegarLoopForPetriNet]: 48 programPoint places, -2 predicate places. [2021-03-26 10:05:39,958 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 10:05:39,958 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 46 places, 25 transitions, 136 flow [2021-03-26 10:05:39,958 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 46 places, 25 transitions, 136 flow [2021-03-26 10:05:39,958 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 45 places, 25 transitions, 136 flow [2021-03-26 10:05:39,962 INFO L129 PetriNetUnfolder]: 6/36 cut-off events. [2021-03-26 10:05:39,963 INFO L130 PetriNetUnfolder]: For 50/60 co-relation queries the response was YES. [2021-03-26 10:05:39,963 INFO L84 FinitePrefix]: Finished finitePrefix Result has 119 conditions, 36 events. 6/36 cut-off events. For 50/60 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 65 event pairs, 0 based on Foata normal form. 5/40 useless extension candidates. Maximal degree in co-relation 100. Up to 10 conditions per place. [2021-03-26 10:05:39,963 INFO L142 LiptonReduction]: Number of co-enabled transitions 76 [2021-03-26 10:05:40,695 WARN L205 SmtUtils]: Spent 604.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 183 [2021-03-26 10:05:40,973 WARN L205 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 181 [2021-03-26 10:05:42,060 WARN L205 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 307 DAG size of output: 263 [2021-03-26 10:05:42,615 WARN L205 SmtUtils]: Spent 552.00 ms on a formula simplification that was a NOOP. DAG size: 260 [2021-03-26 10:05:42,777 INFO L154 LiptonReduction]: Checked pairs total: 91 [2021-03-26 10:05:42,777 INFO L156 LiptonReduction]: Total number of compositions: 4 [2021-03-26 10:05:42,778 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2820 [2021-03-26 10:05:42,778 INFO L480 AbstractCegarLoop]: Abstraction has has 41 places, 21 transitions, 122 flow [2021-03-26 10:05:42,778 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 163.33333333333334) internal successors, (490), 3 states have internal predecessors, (490), 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 10:05:42,779 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 10:05:42,779 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 10:05:42,779 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-03-26 10:05:42,779 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 10:05:42,779 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 10:05:42,779 INFO L82 PathProgramCache]: Analyzing trace with hash 1237526981, now seen corresponding path program 1 times [2021-03-26 10:05:42,780 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 10:05:42,780 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1054471070] [2021-03-26 10:05:42,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 10:05:42,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-03-26 10:05:42,820 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-03-26 10:05:42,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-03-26 10:05:42,875 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-03-26 10:05:42,914 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-03-26 10:05:42,914 INFO L634 BasicCegarLoop]: Counterexample might be feasible [2021-03-26 10:05:42,914 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-03-26 10:05:43,019 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.03 10:05:43 BasicIcfg [2021-03-26 10:05:43,019 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-03-26 10:05:43,020 INFO L168 Benchmark]: Toolchain (without parser) took 13846.58 ms. Allocated memory was 255.9 MB in the beginning and 639.6 MB in the end (delta: 383.8 MB). Free memory was 234.7 MB in the beginning and 490.3 MB in the end (delta: -255.6 MB). Peak memory consumption was 127.9 MB. Max. memory is 16.0 GB. [2021-03-26 10:05:43,020 INFO L168 Benchmark]: CDTParser took 0.47 ms. Allocated memory is still 255.9 MB. Free memory is still 237.4 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-03-26 10:05:43,020 INFO L168 Benchmark]: CACSL2BoogieTranslator took 525.26 ms. Allocated memory was 255.9 MB in the beginning and 360.7 MB in the end (delta: 104.9 MB). Free memory was 234.7 MB in the beginning and 320.7 MB in the end (delta: -85.9 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.0 GB. [2021-03-26 10:05:43,021 INFO L168 Benchmark]: Boogie Procedure Inliner took 70.57 ms. Allocated memory is still 360.7 MB. Free memory was 320.7 MB in the beginning and 318.1 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-03-26 10:05:43,021 INFO L168 Benchmark]: Boogie Preprocessor took 27.17 ms. Allocated memory is still 360.7 MB. Free memory was 318.1 MB in the beginning and 316.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-03-26 10:05:43,021 INFO L168 Benchmark]: RCFGBuilder took 1249.10 ms. Allocated memory is still 360.7 MB. Free memory was 316.1 MB in the beginning and 268.2 MB in the end (delta: 47.9 MB). Peak memory consumption was 53.1 MB. Max. memory is 16.0 GB. [2021-03-26 10:05:43,022 INFO L168 Benchmark]: TraceAbstraction took 11969.98 ms. Allocated memory was 360.7 MB in the beginning and 639.6 MB in the end (delta: 278.9 MB). Free memory was 267.1 MB in the beginning and 490.3 MB in the end (delta: -223.2 MB). Peak memory consumption was 55.7 MB. Max. memory is 16.0 GB. [2021-03-26 10:05:43,023 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.47 ms. Allocated memory is still 255.9 MB. Free memory is still 237.4 MB. There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 525.26 ms. Allocated memory was 255.9 MB in the beginning and 360.7 MB in the end (delta: 104.9 MB). Free memory was 234.7 MB in the beginning and 320.7 MB in the end (delta: -85.9 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 70.57 ms. Allocated memory is still 360.7 MB. Free memory was 320.7 MB in the beginning and 318.1 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 27.17 ms. Allocated memory is still 360.7 MB. Free memory was 318.1 MB in the beginning and 316.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 1249.10 ms. Allocated memory is still 360.7 MB. Free memory was 316.1 MB in the beginning and 268.2 MB in the end (delta: 47.9 MB). Peak memory consumption was 53.1 MB. Max. memory is 16.0 GB. * TraceAbstraction took 11969.98 ms. Allocated memory was 360.7 MB in the beginning and 639.6 MB in the end (delta: 278.9 MB). Free memory was 267.1 MB in the beginning and 490.3 MB in the end (delta: -223.2 MB). Peak memory consumption was 55.7 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2886.3ms, 109 PlacesBefore, 48 PlacesAfterwards, 101 TransitionsBefore, 39 TransitionsAfterwards, 1832 CoEnabledTransitionPairs, 6 FixpointIterations, 29 TrivialSequentialCompositions, 37 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 6 ConcurrentYvCompositions, 1 ChoiceCompositions, 73 TotalNumberOfCompositions, 3136 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1791, positive: 1701, positive conditional: 1701, positive unconditional: 0, negative: 90, negative conditional: 90, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1791, positive: 1701, positive conditional: 0, positive unconditional: 1701, negative: 90, negative conditional: 0, negative unconditional: 90, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1791, positive: 1701, positive conditional: 0, positive unconditional: 1701, negative: 90, negative conditional: 0, negative unconditional: 90, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1353, positive: 1320, positive conditional: 0, positive unconditional: 1320, negative: 33, negative conditional: 0, negative unconditional: 33, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1353, positive: 1317, positive conditional: 0, positive unconditional: 1317, negative: 36, negative conditional: 0, negative unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 36, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 33, negative conditional: 0, negative unconditional: 33, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 307, positive: 10, positive conditional: 0, positive unconditional: 10, negative: 297, negative conditional: 0, negative unconditional: 297, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1791, positive: 381, positive conditional: 0, positive unconditional: 381, negative: 57, negative conditional: 0, negative unconditional: 57, unknown: 1353, unknown conditional: 0, unknown unconditional: 1353] , Statistics on independence cache: Total cache size (in pairs): 1353, Positive cache size: 1320, Positive conditional cache size: 0, Positive unconditional cache size: 1320, Negative cache size: 33, Negative conditional cache size: 0, Negative unconditional cache size: 33, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1851.2ms, 45 PlacesBefore, 33 PlacesAfterwards, 36 TransitionsBefore, 24 TransitionsAfterwards, 302 CoEnabledTransitionPairs, 5 FixpointIterations, 10 TrivialSequentialCompositions, 2 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 12 TotalNumberOfCompositions, 1734 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 502, positive: 380, positive conditional: 380, positive unconditional: 0, negative: 122, negative conditional: 122, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 502, positive: 380, positive conditional: 46, positive unconditional: 334, negative: 122, negative conditional: 15, negative unconditional: 107, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 502, positive: 380, positive conditional: 46, positive unconditional: 334, negative: 122, negative conditional: 15, negative unconditional: 107, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 93, positive: 71, positive conditional: 12, positive unconditional: 59, negative: 22, negative conditional: 3, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 93, positive: 69, positive conditional: 0, positive unconditional: 69, negative: 24, negative conditional: 0, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 24, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 22, negative conditional: 3, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 263, positive: 11, positive conditional: 0, positive unconditional: 11, negative: 252, negative conditional: 96, negative unconditional: 157, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 502, positive: 309, positive conditional: 34, positive unconditional: 275, negative: 100, negative conditional: 12, negative unconditional: 88, unknown: 93, unknown conditional: 15, unknown unconditional: 78] , Statistics on independence cache: Total cache size (in pairs): 1446, Positive cache size: 1391, Positive conditional cache size: 12, Positive unconditional cache size: 1379, Negative cache size: 55, Negative conditional cache size: 3, Negative unconditional cache size: 52, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 974.1ms, 39 PlacesBefore, 35 PlacesAfterwards, 29 TransitionsBefore, 28 TransitionsAfterwards, 280 CoEnabledTransitionPairs, 2 FixpointIterations, 1 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 352 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 101, positive: 81, positive conditional: 81, 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: 101, positive: 81, positive conditional: 0, positive unconditional: 81, 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: 101, positive: 81, positive conditional: 0, positive unconditional: 81, 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: 3, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 3, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 101, positive: 78, positive conditional: 0, positive unconditional: 78, negative: 20, negative conditional: 0, negative unconditional: 20, unknown: 3, unknown conditional: 0, unknown unconditional: 3] , Statistics on independence cache: Total cache size (in pairs): 1449, Positive cache size: 1394, Positive conditional cache size: 12, Positive unconditional cache size: 1382, Negative cache size: 55, Negative conditional cache size: 3, Negative unconditional cache size: 52, Eliminated conditions: 21 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 28.8ms, 37 PlacesBefore, 37 PlacesAfterwards, 32 TransitionsBefore, 32 TransitionsAfterwards, 310 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 265 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 55, positive: 41, positive conditional: 41, 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: 55, positive: 41, positive conditional: 0, positive unconditional: 41, 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: 55, positive: 41, positive conditional: 0, positive unconditional: 41, 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: 0, positive unconditional: 4, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 4, positive: 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: 55, positive: 37, positive conditional: 0, positive unconditional: 37, negative: 14, negative conditional: 0, negative unconditional: 14, unknown: 4, unknown conditional: 0, unknown unconditional: 4] , Statistics on independence cache: Total cache size (in pairs): 1453, Positive cache size: 1398, Positive conditional cache size: 12, Positive unconditional cache size: 1386, Negative cache size: 55, Negative conditional cache size: 3, Negative unconditional cache size: 52, Eliminated conditions: 7 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 24.3ms, 39 PlacesBefore, 39 PlacesAfterwards, 35 TransitionsBefore, 35 TransitionsAfterwards, 342 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 292 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 39, positive: 25, positive conditional: 25, 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: 39, positive: 25, positive conditional: 0, positive unconditional: 25, 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: 39, positive: 25, positive conditional: 0, positive unconditional: 25, 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: 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: 39, positive: 25, positive conditional: 0, positive unconditional: 25, negative: 14, negative conditional: 0, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1453, Positive cache size: 1398, Positive conditional cache size: 12, Positive unconditional cache size: 1386, Negative cache size: 55, Negative conditional cache size: 3, Negative unconditional cache size: 52, Eliminated conditions: 7 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 22.5ms, 44 PlacesBefore, 44 PlacesAfterwards, 39 TransitionsBefore, 39 TransitionsAfterwards, 380 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 419 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 62, positive: 43, positive conditional: 43, positive unconditional: 0, negative: 19, negative conditional: 19, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 62, positive: 43, positive conditional: 0, positive unconditional: 43, negative: 19, negative conditional: 0, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 62, positive: 43, positive conditional: 0, positive unconditional: 43, negative: 19, negative conditional: 0, negative unconditional: 19, 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: 62, positive: 43, positive conditional: 0, positive unconditional: 43, negative: 19, negative conditional: 0, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1453, Positive cache size: 1398, Positive conditional cache size: 12, Positive unconditional cache size: 1386, Negative cache size: 55, Negative conditional cache size: 3, Negative unconditional cache size: 52, Eliminated conditions: 19 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 79.3ms, 50 PlacesBefore, 50 PlacesAfterwards, 46 TransitionsBefore, 45 TransitionsAfterwards, 546 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 1 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 519 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 106, positive: 84, positive conditional: 84, positive unconditional: 0, negative: 22, negative conditional: 22, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 114, positive: 84, positive conditional: 49, positive unconditional: 35, negative: 30, negative conditional: 0, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 114, positive: 84, positive conditional: 49, positive unconditional: 35, negative: 30, negative conditional: 0, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 6, positive: 5, positive conditional: 5, positive unconditional: 0, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 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: 25, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 25, negative conditional: 0, negative unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 114, positive: 79, positive conditional: 44, positive unconditional: 35, negative: 29, negative conditional: 0, negative unconditional: 29, unknown: 6, unknown conditional: 5, unknown unconditional: 1] , Statistics on independence cache: Total cache size (in pairs): 1459, Positive cache size: 1403, Positive conditional cache size: 17, Positive unconditional cache size: 1386, Negative cache size: 56, Negative conditional cache size: 3, Negative unconditional cache size: 53, Eliminated conditions: 33 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 37.2ms, 54 PlacesBefore, 54 PlacesAfterwards, 49 TransitionsBefore, 48 TransitionsAfterwards, 492 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 1 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 563 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 95, positive: 71, positive conditional: 71, positive unconditional: 0, negative: 24, negative conditional: 24, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 95, positive: 71, positive conditional: 43, positive unconditional: 28, negative: 24, negative conditional: 0, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 95, positive: 71, positive conditional: 43, positive unconditional: 28, negative: 24, negative conditional: 0, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 3, positive: 3, positive conditional: 3, 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: 3, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 95, positive: 68, positive conditional: 40, positive unconditional: 28, negative: 24, negative conditional: 0, negative unconditional: 24, unknown: 3, unknown conditional: 3, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1462, Positive cache size: 1406, Positive conditional cache size: 20, Positive unconditional cache size: 1386, Negative cache size: 56, Negative conditional cache size: 3, Negative unconditional cache size: 53, Eliminated conditions: 16 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 911.1ms, 56 PlacesBefore, 52 PlacesAfterwards, 46 TransitionsBefore, 43 TransitionsAfterwards, 352 CoEnabledTransitionPairs, 3 FixpointIterations, 1 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 1 TrivialYvCompositions, 1 ConcurrentYvCompositions, 0 ChoiceCompositions, 3 TotalNumberOfCompositions, 600 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 110, positive: 77, positive conditional: 77, positive unconditional: 0, negative: 33, negative conditional: 33, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 125, positive: 77, positive conditional: 29, positive unconditional: 48, negative: 48, negative conditional: 0, negative unconditional: 48, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 125, positive: 77, positive conditional: 29, positive unconditional: 48, negative: 48, negative conditional: 0, negative unconditional: 48, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , 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: 125, positive: 75, positive conditional: 27, positive unconditional: 48, negative: 48, negative conditional: 0, negative unconditional: 48, unknown: 2, unknown conditional: 2, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1464, Positive cache size: 1408, Positive conditional cache size: 22, Positive unconditional cache size: 1386, Negative cache size: 56, Negative conditional cache size: 3, Negative unconditional cache size: 53, Eliminated conditions: 45 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 77.9ms, 50 PlacesBefore, 48 PlacesAfterwards, 33 TransitionsBefore, 32 TransitionsAfterwards, 190 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 3 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 3 TotalNumberOfCompositions, 123 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 73, positive: 67, positive conditional: 67, positive unconditional: 0, negative: 6, negative conditional: 6, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 77, positive: 67, positive conditional: 18, positive unconditional: 49, 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: 77, positive: 67, positive conditional: 18, positive unconditional: 49, 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: 6, positive: 6, positive conditional: 1, positive unconditional: 5, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 6, positive: 6, positive conditional: 0, positive unconditional: 6, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 77, positive: 61, positive conditional: 17, positive unconditional: 44, negative: 10, negative conditional: 0, negative unconditional: 10, unknown: 6, unknown conditional: 1, unknown unconditional: 5] , Statistics on independence cache: Total cache size (in pairs): 1470, Positive cache size: 1414, Positive conditional cache size: 23, Positive unconditional cache size: 1391, Negative cache size: 56, Negative conditional cache size: 3, Negative unconditional cache size: 53, Eliminated conditions: 18 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2819.5ms, 46 PlacesBefore, 41 PlacesAfterwards, 25 TransitionsBefore, 21 TransitionsAfterwards, 76 CoEnabledTransitionPairs, 3 FixpointIterations, 0 TrivialSequentialCompositions, 4 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 4 TotalNumberOfCompositions, 91 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 34, positive: 24, positive conditional: 24, 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: 36, positive: 24, positive conditional: 10, positive unconditional: 14, negative: 12, negative conditional: 0, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 36, positive: 24, positive conditional: 10, positive unconditional: 14, negative: 12, negative conditional: 0, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 9, positive: 8, positive conditional: 1, positive unconditional: 7, 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: 9, positive: 8, positive conditional: 0, positive unconditional: 8, 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: 31, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 31, negative conditional: 0, negative unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 36, positive: 16, positive conditional: 9, positive unconditional: 7, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 9, unknown conditional: 1, unknown unconditional: 8] , Statistics on independence cache: Total cache size (in pairs): 1479, Positive cache size: 1422, Positive conditional cache size: 24, Positive unconditional cache size: 1398, Negative cache size: 57, Negative conditional cache size: 3, Negative unconditional cache size: 54, Eliminated conditions: 16 - 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_p1_EAX = 0; [L713] 0 int __unbuffered_p1_EBX = 0; [L715] 0 int __unbuffered_p2_EAX = 0; [L717] 0 int __unbuffered_p2_EBX = 0; [L719] 0 int a = 0; [L721] 0 int b = 0; [L722] 0 _Bool main$tmp_guard0; [L723] 0 _Bool main$tmp_guard1; [L725] 0 int x = 0; [L727] 0 int y = 0; [L729] 0 int z = 0; [L730] 0 _Bool z$flush_delayed; [L731] 0 int z$mem_tmp; [L732] 0 _Bool z$r_buff0_thd0; [L733] 0 _Bool z$r_buff0_thd1; [L734] 0 _Bool z$r_buff0_thd2; [L735] 0 _Bool z$r_buff0_thd3; [L736] 0 _Bool z$r_buff1_thd0; [L737] 0 _Bool z$r_buff1_thd1; [L738] 0 _Bool z$r_buff1_thd2; [L739] 0 _Bool z$r_buff1_thd3; [L740] 0 _Bool z$read_delayed; [L741] 0 int *z$read_delayed_var; [L742] 0 int z$w_buff0; [L743] 0 _Bool z$w_buff0_used; [L744] 0 int z$w_buff1; [L745] 0 _Bool z$w_buff1_used; [L746] 0 _Bool weak$$choice0; [L747] 0 _Bool weak$$choice2; [L843] 0 pthread_t t894; [L844] FCALL, FORK 0 pthread_create(&t894, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=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] [L845] 0 pthread_t t895; [L846] FCALL, FORK 0 pthread_create(&t895, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=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] [L847] 0 pthread_t t896; [L848] FCALL, FORK 0 pthread_create(&t896, ((void *)0), P2, ((void *)0)) VAL [__unbuffered_cnt=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] [L800] 3 z$w_buff1 = z$w_buff0 [L801] 3 z$w_buff0 = 1 [L802] 3 z$w_buff1_used = z$w_buff0_used [L803] 3 z$w_buff0_used = (_Bool)1 [L18] COND FALSE 3 !(!expression) [L805] 3 z$r_buff1_thd0 = z$r_buff0_thd0 [L806] 3 z$r_buff1_thd1 = z$r_buff0_thd1 [L807] 3 z$r_buff1_thd2 = z$r_buff0_thd2 [L808] 3 z$r_buff1_thd3 = z$r_buff0_thd3 [L809] 3 z$r_buff0_thd3 = (_Bool)1 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, arg={0:0}, arg={0:0}, b=0, main$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=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] [L812] 3 a = 1 [L815] 3 __unbuffered_p2_EAX = a VAL [__unbuffered_cnt=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] [L818] 3 __unbuffered_p2_EBX = b VAL [__unbuffered_cnt=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] [L751] 1 b = 1 [L754] 1 x = 1 VAL [__unbuffered_cnt=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=1, 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] [L766] 2 x = 2 VAL [__unbuffered_cnt=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}, arg={0:0}, b=1, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, 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] [L769] 2 y = 1 [L772] 2 __unbuffered_p1_EAX = y VAL [__unbuffered_cnt=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$$choice0=0, weak$$choice2=0, x=2, 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] [L775] 2 weak$$choice0 = __VERIFIER_nondet_bool() [L776] 2 weak$$choice2 = __VERIFIER_nondet_bool() [L777] 2 z$flush_delayed = weak$$choice2 [L778] 2 z$mem_tmp = z [L779] EXPR 2 !z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z : (z$w_buff0_used && z$r_buff0_thd2 ? z$w_buff0 : z$w_buff1) [L779] 2 z = !z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z : (z$w_buff0_used && z$r_buff0_thd2 ? z$w_buff0 : z$w_buff1) [L780] EXPR 2 weak$$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$w_buff0)) [L780] 2 z$w_buff0 = weak$$choice2 ? z$w_buff0 : (!z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd2 ? z$w_buff0 : z$w_buff0)) [L781] EXPR 2 weak$$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$w_buff1)) [L781] 2 z$w_buff1 = weak$$choice2 ? z$w_buff1 : (!z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd2 ? z$w_buff1 : z$w_buff1)) [L782] EXPR 2 weak$$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)) [L782] 2 z$w_buff0_used = weak$$choice2 ? z$w_buff0_used : (!z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : z$w_buff0_used)) [L783] EXPR 2 weak$$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$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L783] 2 z$w_buff1_used = weak$$choice2 ? z$w_buff1_used : (!z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L784] EXPR 2 weak$$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)) [L784] 2 z$r_buff0_thd2 = weak$$choice2 ? z$r_buff0_thd2 : (!z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z$r_buff0_thd2 : (z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : z$r_buff0_thd2)) [L785] EXPR 2 weak$$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$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L785] 2 z$r_buff1_thd2 = weak$$choice2 ? z$r_buff1_thd2 : (!z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z$r_buff1_thd2 : (z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L786] 2 __unbuffered_p1_EBX = z [L787] EXPR 2 z$flush_delayed ? z$mem_tmp : z [L787] 2 z = z$flush_delayed ? z$mem_tmp : z [L788] 2 z$flush_delayed = (_Bool)0 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=255, x=2, 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] [L793] 2 __unbuffered_cnt = __unbuffered_cnt + 1 [L795] 2 return 0; [L821] 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) [L821] 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) [L822] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$w_buff0_used [L822] 3 z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$w_buff0_used [L823] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 || z$w_buff1_used && z$r_buff1_thd3 ? (_Bool)0 : z$w_buff1_used [L823] 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 [L824] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$r_buff0_thd3 [L824] 3 z$r_buff0_thd3 = z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$r_buff0_thd3 [L825] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 || z$w_buff1_used && z$r_buff1_thd3 ? (_Bool)0 : z$r_buff1_thd3 [L825] 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 [L828] 3 __unbuffered_cnt = __unbuffered_cnt + 1 [L830] 3 return 0; [L759] 1 __unbuffered_cnt = __unbuffered_cnt + 1 [L761] 1 return 0; [L850] 0 main$tmp_guard0 = __unbuffered_cnt == 3 [L3] COND FALSE 0 !(!cond) [L854] 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) [L854] EXPR 0 z$w_buff1_used && z$r_buff1_thd0 ? z$w_buff1 : z [L854] 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) [L854] 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) [L855] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$w_buff0_used [L855] 0 z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$w_buff0_used [L856] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$w_buff1_used [L856] 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 [L857] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$r_buff0_thd0 [L857] 0 z$r_buff0_thd0 = z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$r_buff0_thd0 [L858] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$r_buff1_thd0 [L858] 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 [L861] 0 main$tmp_guard1 = !(x == 2 && __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_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=49, weak$$choice2=255, x=2, 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, 103 locations, 2 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 4.2ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: UNSAFE, OverallTime: 11698.2ms, OverallIterations: 11, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 759.9ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 2970.1ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 63 SDtfs, 37 SDslu, 36 SDs, 0 SdLazy, 148 SolverSat, 34 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 147.4ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 32 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 98.4ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=374occurred in iteration=7, InterpolantAutomatonStates: 44, 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: 35.7ms SsaConstructionTime, 310.5ms SatisfiabilityAnalysisTime, 484.8ms InterpolantComputationTime, 177 NumberOfCodeBlocks, 177 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 149 ConstructedInterpolants, 0 QuantifiedInterpolants, 768 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 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...