/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-RepeatedSemanticLbeWithDisjunctivePredicates.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/rfi003_rmo.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-d5b4239aa45c8d22a30959944f2ef622f7386a6d-d5b4239 [2021-03-26 10:20:16,758 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-03-26 10:20:16,761 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-03-26 10:20:17,085 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-03-26 10:20:17,086 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-03-26 10:20:17,087 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-03-26 10:20:17,088 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-03-26 10:20:17,090 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-03-26 10:20:17,091 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-03-26 10:20:17,092 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-03-26 10:20:17,092 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-03-26 10:20:17,093 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-03-26 10:20:17,094 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-03-26 10:20:17,095 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-03-26 10:20:17,095 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-03-26 10:20:17,096 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-03-26 10:20:17,097 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-03-26 10:20:17,098 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-03-26 10:20:17,099 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-03-26 10:20:17,101 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-03-26 10:20:17,102 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-03-26 10:20:17,103 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-03-26 10:20:17,104 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-03-26 10:20:17,105 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-03-26 10:20:17,108 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-03-26 10:20:17,111 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-03-26 10:20:17,112 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-03-26 10:20:17,112 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-03-26 10:20:17,113 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-03-26 10:20:17,114 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-03-26 10:20:17,114 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-03-26 10:20:17,115 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-03-26 10:20:17,115 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-03-26 10:20:17,116 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-03-26 10:20:17,116 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-03-26 10:20:17,117 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-03-26 10:20:17,463 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-RepeatedSemanticLbeWithDisjunctivePredicates.epf [2021-03-26 10:20:17,726 INFO L113 SettingsManager]: Loading preferences was successful [2021-03-26 10:20:17,726 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-03-26 10:20:17,727 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-03-26 10:20:17,727 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-03-26 10:20:17,727 INFO L138 SettingsManager]: * Use SBE=true [2021-03-26 10:20:17,727 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-03-26 10:20:17,728 INFO L138 SettingsManager]: * sizeof long=4 [2021-03-26 10:20:17,728 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-03-26 10:20:17,728 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-03-26 10:20:17,728 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-03-26 10:20:17,728 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-03-26 10:20:17,728 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-03-26 10:20:17,728 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-03-26 10:20:17,729 INFO L138 SettingsManager]: * sizeof long double=12 [2021-03-26 10:20:17,729 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-03-26 10:20:17,729 INFO L138 SettingsManager]: * Use constant arrays=true [2021-03-26 10:20:17,729 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-03-26 10:20:17,729 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-03-26 10:20:17,729 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-03-26 10:20:17,730 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-03-26 10:20:17,730 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-03-26 10:20:17,730 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-26 10:20:17,730 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-03-26 10:20:17,730 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-03-26 10:20:17,730 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-03-26 10:20:17,730 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-03-26 10:20:17,731 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-03-26 10:20:17,731 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=SEMANTIC_BASED_MOVER_CHECK_WITH_PREDICATES_DISJUNCTIVE [2021-03-26 10:20:17,731 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-03-26 10:20:17,731 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-03-26 10:20:17,731 INFO L138 SettingsManager]: * Apply repeated Lipton Reduction=true WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-03-26 10:20:21,271 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-03-26 10:20:22,164 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-03-26 10:20:22,166 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-03-26 10:20:22,167 INFO L271 PluginConnector]: Initializing CDTParser... [2021-03-26 10:20:22,168 INFO L275 PluginConnector]: CDTParser initialized [2021-03-26 10:20:22,169 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/rfi003_rmo.oepc.i [2021-03-26 10:20:22,238 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/28fbb89b0/184c23810e1a490bb67d7ec1c2819c73/FLAG058245d96 [2021-03-26 10:20:24,041 INFO L306 CDTParser]: Found 1 translation units. [2021-03-26 10:20:24,041 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/rfi003_rmo.oepc.i [2021-03-26 10:20:24,100 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/28fbb89b0/184c23810e1a490bb67d7ec1c2819c73/FLAG058245d96 [2021-03-26 10:20:24,116 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/28fbb89b0/184c23810e1a490bb67d7ec1c2819c73 [2021-03-26 10:20:24,119 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-03-26 10:20:24,208 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-03-26 10:20:24,210 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-03-26 10:20:24,210 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-03-26 10:20:24,213 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-03-26 10:20:24,213 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.03 10:20:24" (1/1) ... [2021-03-26 10:20:24,215 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3fd05058 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 10:20:24, skipping insertion in model container [2021-03-26 10:20:24,215 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.03 10:20:24" (1/1) ... [2021-03-26 10:20:24,220 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-03-26 10:20:24,266 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-03-26 10:20:24,635 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/rfi003_rmo.oepc.i[992,1005] [2021-03-26 10:20:24,847 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-26 10:20:24,856 INFO L203 MainTranslator]: Completed pre-run [2021-03-26 10:20:24,867 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/rfi003_rmo.oepc.i[992,1005] [2021-03-26 10:20:24,925 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-26 10:20:24,996 INFO L208 MainTranslator]: Completed translation [2021-03-26 10:20:24,996 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 10:20:24 WrapperNode [2021-03-26 10:20:24,997 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-03-26 10:20:24,998 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-03-26 10:20:24,999 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-03-26 10:20:24,999 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-03-26 10:20:25,005 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 10:20:24" (1/1) ... [2021-03-26 10:20:25,039 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 10:20:24" (1/1) ... [2021-03-26 10:20:25,071 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-03-26 10:20:25,072 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-03-26 10:20:25,072 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-03-26 10:20:25,072 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-03-26 10:20:25,080 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 10:20:24" (1/1) ... [2021-03-26 10:20:25,080 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 10:20:24" (1/1) ... [2021-03-26 10:20:25,093 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 10:20:24" (1/1) ... [2021-03-26 10:20:25,094 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 10:20:24" (1/1) ... [2021-03-26 10:20:25,104 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 10:20:24" (1/1) ... [2021-03-26 10:20:25,106 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 10:20:24" (1/1) ... [2021-03-26 10:20:25,108 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 10:20:24" (1/1) ... [2021-03-26 10:20:25,120 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-03-26 10:20:25,121 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-03-26 10:20:25,121 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-03-26 10:20:25,121 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-03-26 10:20:25,121 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 10:20:24" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-26 10:20:25,260 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-03-26 10:20:25,260 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-03-26 10:20:25,261 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-03-26 10:20:25,261 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-03-26 10:20:25,261 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-03-26 10:20:25,261 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-03-26 10:20:25,262 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-03-26 10:20:25,262 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-03-26 10:20:25,262 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-03-26 10:20:25,262 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-03-26 10:20:25,263 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-03-26 10:20:25,263 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-03-26 10:20:25,264 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-03-26 10:20:26,811 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-03-26 10:20:26,811 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-03-26 10:20:26,813 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.03 10:20:26 BoogieIcfgContainer [2021-03-26 10:20:26,813 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-03-26 10:20:26,815 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-03-26 10:20:26,815 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-03-26 10:20:26,818 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-03-26 10:20:26,818 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.03 10:20:24" (1/3) ... [2021-03-26 10:20:26,819 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48b93fd5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.03 10:20:26, skipping insertion in model container [2021-03-26 10:20:26,819 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 10:20:24" (2/3) ... [2021-03-26 10:20:26,819 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48b93fd5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.03 10:20:26, skipping insertion in model container [2021-03-26 10:20:26,819 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.03 10:20:26" (3/3) ... [2021-03-26 10:20:26,821 INFO L111 eAbstractionObserver]: Analyzing ICFG rfi003_rmo.oepc.i [2021-03-26 10:20:26,827 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-03-26 10:20:26,832 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2021-03-26 10:20:26,833 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-03-26 10:20:26,859 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:26,860 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:26,860 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:26,860 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:26,860 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:26,860 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:26,861 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:26,861 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:26,861 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:26,861 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:26,861 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:26,861 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:26,861 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:26,862 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:26,862 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:26,862 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:26,862 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:26,862 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:26,862 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:26,862 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:26,862 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:26,863 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:26,863 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:26,863 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:26,863 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:26,863 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:26,863 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:26,863 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:26,863 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:26,863 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:26,864 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:26,864 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:26,864 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:26,864 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:26,864 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:26,864 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:26,864 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:26,864 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:26,864 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:26,865 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:26,865 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:26,865 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:26,865 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:26,865 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:26,865 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:26,865 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:26,867 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:26,867 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:26,867 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:26,867 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:26,868 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:26,868 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:26,868 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:26,868 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:26,868 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:26,868 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:26,868 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:26,868 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:26,868 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:26,868 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:26,868 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:26,869 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:26,869 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:26,869 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:26,869 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:26,869 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:26,869 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:26,869 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:26,869 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:26,869 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:26,870 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:26,870 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:26,870 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:26,870 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:26,870 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:26,870 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:26,870 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:26,870 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:26,870 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:26,870 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:26,871 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:26,871 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:26,871 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:26,871 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:26,873 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:26,873 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:26,873 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:26,873 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:26,874 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:26,874 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:26,874 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:26,874 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:26,874 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:26,874 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:26,874 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:26,874 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:26,875 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:26,875 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:26,875 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:26,875 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:26,875 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:26,875 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:26,875 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:26,876 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:26,876 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:26,876 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:26,876 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:26,876 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:26,876 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:26,876 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:26,877 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:26,877 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:26,877 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:26,877 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:26,877 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:26,877 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:26,878 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:26,878 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:26,878 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:26,878 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:26,878 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:26,879 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:26,880 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:26,881 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:26,881 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:26,881 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:26,881 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:26,881 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:26,881 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:26,882 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:26,882 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:26,882 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:26,882 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:26,882 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:26,884 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:26,884 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:26,884 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:26,884 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:26,884 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:26,884 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:26,884 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:26,885 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:26,885 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:26,885 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:26,885 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:26,885 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:26,885 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:26,885 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:26,885 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:26,886 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:26,886 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:26,886 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:26,886 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:26,886 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:26,886 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:26,886 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:26,886 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:26,886 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:26,887 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:26,887 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:26,887 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 10:20:26,888 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-03-26 10:20:27,190 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2021-03-26 10:20:27,208 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-03-26 10:20:27,208 INFO L377 AbstractCegarLoop]: Hoare is false [2021-03-26 10:20:27,209 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-03-26 10:20:27,209 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-03-26 10:20:27,209 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-03-26 10:20:27,209 INFO L381 AbstractCegarLoop]: Difference is false [2021-03-26 10:20:27,209 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-03-26 10:20:27,209 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-03-26 10:20:27,223 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 88 places, 83 transitions, 176 flow [2021-03-26 10:20:27,262 INFO L129 PetriNetUnfolder]: 2/81 cut-off events. [2021-03-26 10:20:27,263 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-26 10:20:27,269 INFO L84 FinitePrefix]: Finished finitePrefix Result has 88 conditions, 81 events. 2/81 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 50 event pairs, 0 based on Foata normal form. 0/77 useless extension candidates. Maximal degree in co-relation 47. Up to 2 conditions per place. [2021-03-26 10:20:27,269 INFO L82 GeneralOperation]: Start removeDead. Operand has 88 places, 83 transitions, 176 flow [2021-03-26 10:20:27,274 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 86 places, 81 transitions, 168 flow [2021-03-26 10:20:27,275 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 10:20:27,287 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 86 places, 81 transitions, 168 flow [2021-03-26 10:20:27,292 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 86 places, 81 transitions, 168 flow [2021-03-26 10:20:27,294 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 86 places, 81 transitions, 168 flow [2021-03-26 10:20:27,345 INFO L129 PetriNetUnfolder]: 2/81 cut-off events. [2021-03-26 10:20:27,345 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-26 10:20:27,345 INFO L84 FinitePrefix]: Finished finitePrefix Result has 88 conditions, 81 events. 2/81 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 52 event pairs, 0 based on Foata normal form. 0/77 useless extension candidates. Maximal degree in co-relation 47. Up to 2 conditions per place. [2021-03-26 10:20:27,349 INFO L142 LiptonReduction]: Number of co-enabled transitions 968 [2021-03-26 10:20:28,155 WARN L205 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 58 [2021-03-26 10:20:28,569 WARN L205 SmtUtils]: Spent 338.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 81 [2021-03-26 10:20:28,683 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2021-03-26 10:20:29,729 INFO L154 LiptonReduction]: Checked pairs total: 1537 [2021-03-26 10:20:29,729 INFO L156 LiptonReduction]: Total number of compositions: 56 [2021-03-26 10:20:29,731 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2457 [2021-03-26 10:20:29,738 INFO L129 PetriNetUnfolder]: 0/18 cut-off events. [2021-03-26 10:20:29,739 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-26 10:20:29,739 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 10:20:29,739 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 10:20:29,739 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 10:20:29,743 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 10:20:29,743 INFO L82 PathProgramCache]: Analyzing trace with hash 1519518288, now seen corresponding path program 1 times [2021-03-26 10:20:29,750 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 10:20:29,750 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1450904524] [2021-03-26 10:20:29,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 10:20:29,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 10:20:29,992 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:20:29,993 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 10:20:29,994 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:20:29,994 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:20:30,000 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 10:20:30,000 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1450904524] [2021-03-26 10:20:30,001 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 10:20:30,001 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-03-26 10:20:30,001 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [536601759] [2021-03-26 10:20:30,008 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-26 10:20:30,008 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 10:20:30,017 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-26 10:20:30,020 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-26 10:20:30,022 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 119 out of 139 [2021-03-26 10:20:30,025 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 38 places, 32 transitions, 70 flow. Second operand has 3 states, 3 states have (on average 119.66666666666667) internal successors, (359), 3 states have internal predecessors, (359), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:20:30,025 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 10:20:30,025 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 119 of 139 [2021-03-26 10:20:30,026 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 10:20:30,081 INFO L129 PetriNetUnfolder]: 9/59 cut-off events. [2021-03-26 10:20:30,081 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-26 10:20:30,082 INFO L84 FinitePrefix]: Finished finitePrefix Result has 88 conditions, 59 events. 9/59 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 154 event pairs, 1 based on Foata normal form. 0/57 useless extension candidates. Maximal degree in co-relation 70. Up to 17 conditions per place. [2021-03-26 10:20:30,083 INFO L132 encePairwiseOnDemand]: 135/139 looper letters, 5 selfloop transitions, 2 changer transitions 0/32 dead transitions. [2021-03-26 10:20:30,083 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 39 places, 32 transitions, 84 flow [2021-03-26 10:20:30,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-26 10:20:30,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-26 10:20:30,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 367 transitions. [2021-03-26 10:20:30,102 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8800959232613909 [2021-03-26 10:20:30,105 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 367 transitions. [2021-03-26 10:20:30,106 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 367 transitions. [2021-03-26 10:20:30,109 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 10:20:30,112 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 367 transitions. [2021-03-26 10:20:30,119 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 122.33333333333333) internal successors, (367), 3 states have internal predecessors, (367), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:20:30,127 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 139.0) internal successors, (556), 4 states have internal predecessors, (556), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:20:30,128 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 139.0) internal successors, (556), 4 states have internal predecessors, (556), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:20:30,129 INFO L185 Difference]: Start difference. First operand has 38 places, 32 transitions, 70 flow. Second operand 3 states and 367 transitions. [2021-03-26 10:20:30,130 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 39 places, 32 transitions, 84 flow [2021-03-26 10:20:30,132 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 37 places, 32 transitions, 82 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-03-26 10:20:30,133 INFO L241 Difference]: Finished difference. Result has 37 places, 30 transitions, 68 flow [2021-03-26 10:20:30,134 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=139, PETRI_DIFFERENCE_MINUEND_FLOW=64, PETRI_DIFFERENCE_MINUEND_PLACES=35, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=30, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=28, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=68, PETRI_PLACES=37, PETRI_TRANSITIONS=30} [2021-03-26 10:20:30,135 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, -1 predicate places. [2021-03-26 10:20:30,135 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 10:20:30,139 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 37 places, 30 transitions, 68 flow [2021-03-26 10:20:30,140 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 37 places, 30 transitions, 68 flow [2021-03-26 10:20:30,140 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 37 places, 30 transitions, 68 flow [2021-03-26 10:20:30,154 INFO L129 PetriNetUnfolder]: 0/30 cut-off events. [2021-03-26 10:20:30,154 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-26 10:20:30,155 INFO L84 FinitePrefix]: Finished finitePrefix Result has 38 conditions, 30 events. 0/30 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 24 event pairs, 0 based on Foata normal form. 0/29 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2021-03-26 10:20:30,155 INFO L142 LiptonReduction]: Number of co-enabled transitions 192 [2021-03-26 10:20:31,235 INFO L154 LiptonReduction]: Checked pairs total: 744 [2021-03-26 10:20:31,236 INFO L156 LiptonReduction]: Total number of compositions: 12 [2021-03-26 10:20:31,236 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1101 [2021-03-26 10:20:31,237 INFO L480 AbstractCegarLoop]: Abstraction has has 26 places, 19 transitions, 46 flow [2021-03-26 10:20:31,238 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 119.66666666666667) internal successors, (359), 3 states have internal predecessors, (359), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:20:31,238 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 10:20:31,238 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 10:20:31,238 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-03-26 10:20:31,238 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 10:20:31,239 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 10:20:31,239 INFO L82 PathProgramCache]: Analyzing trace with hash -983923570, now seen corresponding path program 1 times [2021-03-26 10:20:31,239 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 10:20:31,239 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [429325095] [2021-03-26 10:20:31,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 10:20:31,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 10:20:31,336 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:20:31,337 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 10:20:31,337 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:20:31,338 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:20:31,340 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:20:31,341 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:20:31,344 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 10:20:31,344 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [429325095] [2021-03-26 10:20:31,344 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 10:20:31,344 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-26 10:20:31,344 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1541988547] [2021-03-26 10:20:31,345 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-26 10:20:31,345 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 10:20:31,346 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-26 10:20:31,346 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-26 10:20:31,347 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 126 out of 151 [2021-03-26 10:20:31,348 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 26 places, 19 transitions, 46 flow. Second operand has 4 states, 4 states have (on average 126.75) internal successors, (507), 4 states have internal predecessors, (507), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:20:31,348 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 10:20:31,348 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 126 of 151 [2021-03-26 10:20:31,348 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 10:20:31,373 INFO L129 PetriNetUnfolder]: 1/23 cut-off events. [2021-03-26 10:20:31,373 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-26 10:20:31,373 INFO L84 FinitePrefix]: Finished finitePrefix Result has 38 conditions, 23 events. 1/23 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 22 event pairs, 0 based on Foata normal form. 0/22 useless extension candidates. Maximal degree in co-relation 27. Up to 3 conditions per place. [2021-03-26 10:20:31,373 INFO L132 encePairwiseOnDemand]: 147/151 looper letters, 1 selfloop transitions, 2 changer transitions 3/21 dead transitions. [2021-03-26 10:20:31,374 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 30 places, 21 transitions, 62 flow [2021-03-26 10:20:31,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-26 10:20:31,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-26 10:20:31,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 637 transitions. [2021-03-26 10:20:31,381 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8437086092715231 [2021-03-26 10:20:31,381 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 637 transitions. [2021-03-26 10:20:31,381 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 637 transitions. [2021-03-26 10:20:31,381 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 10:20:31,381 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 637 transitions. [2021-03-26 10:20:31,383 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 127.4) internal successors, (637), 5 states have internal predecessors, (637), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:20:31,386 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 151.0) internal successors, (906), 6 states have internal predecessors, (906), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:20:31,386 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 151.0) internal successors, (906), 6 states have internal predecessors, (906), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:20:31,386 INFO L185 Difference]: Start difference. First operand has 26 places, 19 transitions, 46 flow. Second operand 5 states and 637 transitions. [2021-03-26 10:20:31,386 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 30 places, 21 transitions, 62 flow [2021-03-26 10:20:31,387 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 28 places, 21 transitions, 58 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-03-26 10:20:31,387 INFO L241 Difference]: Finished difference. Result has 29 places, 18 transitions, 48 flow [2021-03-26 10:20:31,388 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=151, PETRI_DIFFERENCE_MINUEND_FLOW=42, PETRI_DIFFERENCE_MINUEND_PLACES=24, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=19, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=17, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=48, PETRI_PLACES=29, PETRI_TRANSITIONS=18} [2021-03-26 10:20:31,388 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, -9 predicate places. [2021-03-26 10:20:31,388 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 10:20:31,388 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 29 places, 18 transitions, 48 flow [2021-03-26 10:20:31,389 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 29 places, 18 transitions, 48 flow [2021-03-26 10:20:31,389 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 26 places, 18 transitions, 48 flow [2021-03-26 10:20:31,395 INFO L129 PetriNetUnfolder]: 0/18 cut-off events. [2021-03-26 10:20:31,395 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-26 10:20:31,395 INFO L84 FinitePrefix]: Finished finitePrefix Result has 29 conditions, 18 events. 0/18 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 12 event pairs, 0 based on Foata normal form. 0/18 useless extension candidates. Maximal degree in co-relation 0. Up to 3 conditions per place. [2021-03-26 10:20:31,395 INFO L142 LiptonReduction]: Number of co-enabled transitions 94 [2021-03-26 10:20:31,937 WARN L205 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 110 [2021-03-26 10:20:32,069 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-03-26 10:20:32,341 WARN L205 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 110 [2021-03-26 10:20:32,458 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-03-26 10:20:32,461 INFO L154 LiptonReduction]: Checked pairs total: 357 [2021-03-26 10:20:32,461 INFO L156 LiptonReduction]: Total number of compositions: 2 [2021-03-26 10:20:32,461 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1073 [2021-03-26 10:20:32,462 INFO L480 AbstractCegarLoop]: Abstraction has has 24 places, 16 transitions, 44 flow [2021-03-26 10:20:32,463 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 126.75) internal successors, (507), 4 states have internal predecessors, (507), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:20:32,463 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 10:20:32,463 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 10:20:32,463 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-03-26 10:20:32,463 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 10:20:32,463 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 10:20:32,464 INFO L82 PathProgramCache]: Analyzing trace with hash 323512475, now seen corresponding path program 1 times [2021-03-26 10:20:32,464 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 10:20:32,464 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2005226053] [2021-03-26 10:20:32,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 10:20:32,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 10:20:32,507 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:20:32,507 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 10:20:32,508 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:20:32,508 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:20:32,511 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 10:20:32,511 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2005226053] [2021-03-26 10:20:32,511 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 10:20:32,511 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-03-26 10:20:32,512 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [906530351] [2021-03-26 10:20:32,512 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-26 10:20:32,512 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 10:20:32,512 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-26 10:20:32,512 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-26 10:20:32,513 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 127 out of 153 [2021-03-26 10:20:32,514 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 24 places, 16 transitions, 44 flow. Second operand has 3 states, 3 states have (on average 128.66666666666666) internal successors, (386), 3 states have internal predecessors, (386), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:20:32,514 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 10:20:32,514 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 127 of 153 [2021-03-26 10:20:32,514 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 10:20:32,530 INFO L129 PetriNetUnfolder]: 2/32 cut-off events. [2021-03-26 10:20:32,530 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2021-03-26 10:20:32,530 INFO L84 FinitePrefix]: Finished finitePrefix Result has 62 conditions, 32 events. 2/32 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 73 event pairs, 0 based on Foata normal form. 2/33 useless extension candidates. Maximal degree in co-relation 52. Up to 9 conditions per place. [2021-03-26 10:20:32,530 INFO L132 encePairwiseOnDemand]: 150/153 looper letters, 6 selfloop transitions, 2 changer transitions 1/19 dead transitions. [2021-03-26 10:20:32,530 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 26 places, 19 transitions, 71 flow [2021-03-26 10:20:32,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-26 10:20:32,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-26 10:20:32,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 391 transitions. [2021-03-26 10:20:32,532 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8518518518518519 [2021-03-26 10:20:32,532 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 391 transitions. [2021-03-26 10:20:32,532 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 391 transitions. [2021-03-26 10:20:32,532 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 10:20:32,533 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 391 transitions. [2021-03-26 10:20:32,534 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 130.33333333333334) internal successors, (391), 3 states have internal predecessors, (391), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:20:32,535 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 153.0) internal successors, (612), 4 states have internal predecessors, (612), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:20:32,535 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 153.0) internal successors, (612), 4 states have internal predecessors, (612), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:20:32,535 INFO L185 Difference]: Start difference. First operand has 24 places, 16 transitions, 44 flow. Second operand 3 states and 391 transitions. [2021-03-26 10:20:32,535 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 26 places, 19 transitions, 71 flow [2021-03-26 10:20:32,536 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 24 places, 19 transitions, 65 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-03-26 10:20:32,536 INFO L241 Difference]: Finished difference. Result has 25 places, 16 transitions, 48 flow [2021-03-26 10:20:32,536 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=153, PETRI_DIFFERENCE_MINUEND_FLOW=40, PETRI_DIFFERENCE_MINUEND_PLACES=22, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=16, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=14, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=48, PETRI_PLACES=25, PETRI_TRANSITIONS=16} [2021-03-26 10:20:32,537 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, -13 predicate places. [2021-03-26 10:20:32,537 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 10:20:32,537 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 25 places, 16 transitions, 48 flow [2021-03-26 10:20:32,537 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 25 places, 16 transitions, 48 flow [2021-03-26 10:20:32,537 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 25 places, 16 transitions, 48 flow [2021-03-26 10:20:32,540 INFO L129 PetriNetUnfolder]: 0/16 cut-off events. [2021-03-26 10:20:32,540 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2021-03-26 10:20:32,540 INFO L84 FinitePrefix]: Finished finitePrefix Result has 30 conditions, 16 events. 0/16 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 11 event pairs, 0 based on Foata normal form. 0/16 useless extension candidates. Maximal degree in co-relation 0. Up to 3 conditions per place. [2021-03-26 10:20:32,540 INFO L142 LiptonReduction]: Number of co-enabled transitions 68 [2021-03-26 10:20:32,684 INFO L154 LiptonReduction]: Checked pairs total: 158 [2021-03-26 10:20:32,684 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 10:20:32,684 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 147 [2021-03-26 10:20:32,686 INFO L480 AbstractCegarLoop]: Abstraction has has 24 places, 15 transitions, 46 flow [2021-03-26 10:20:32,686 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 128.66666666666666) internal successors, (386), 3 states have internal predecessors, (386), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:20:32,686 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 10:20:32,686 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 10:20:32,686 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-03-26 10:20:32,687 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 10:20:32,687 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 10:20:32,687 INFO L82 PathProgramCache]: Analyzing trace with hash 1671449073, now seen corresponding path program 1 times [2021-03-26 10:20:32,687 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 10:20:32,687 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [403993649] [2021-03-26 10:20:32,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 10:20:32,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 10:20:32,732 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:20:32,732 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:20:32,735 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:20:32,735 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:20:32,739 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:20:32,739 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 10:20:32,740 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 10:20:32,741 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [403993649] [2021-03-26 10:20:32,741 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 10:20:32,742 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-26 10:20:32,742 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [822419459] [2021-03-26 10:20:32,742 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-26 10:20:32,742 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 10:20:32,743 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-26 10:20:32,744 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-26 10:20:32,745 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 126 out of 154 [2021-03-26 10:20:32,746 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 24 places, 15 transitions, 46 flow. Second operand has 4 states, 4 states have (on average 126.75) internal successors, (507), 4 states have internal predecessors, (507), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:20:32,746 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 10:20:32,746 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 126 of 154 [2021-03-26 10:20:32,746 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 10:20:32,802 INFO L129 PetriNetUnfolder]: 6/32 cut-off events. [2021-03-26 10:20:32,802 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2021-03-26 10:20:32,803 INFO L84 FinitePrefix]: Finished finitePrefix Result has 71 conditions, 32 events. 6/32 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 63 event pairs, 2 based on Foata normal form. 4/36 useless extension candidates. Maximal degree in co-relation 61. Up to 15 conditions per place. [2021-03-26 10:20:32,803 INFO L132 encePairwiseOnDemand]: 149/154 looper letters, 4 selfloop transitions, 3 changer transitions 5/22 dead transitions. [2021-03-26 10:20:32,803 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 28 places, 22 transitions, 84 flow [2021-03-26 10:20:32,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-26 10:20:32,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-26 10:20:32,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 644 transitions. [2021-03-26 10:20:32,807 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8363636363636363 [2021-03-26 10:20:32,807 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 644 transitions. [2021-03-26 10:20:32,807 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 644 transitions. [2021-03-26 10:20:32,808 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 10:20:32,808 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 644 transitions. [2021-03-26 10:20:32,809 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 128.8) internal successors, (644), 5 states have internal predecessors, (644), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:20:32,811 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 154.0) internal successors, (924), 6 states have internal predecessors, (924), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:20:32,811 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 154.0) internal successors, (924), 6 states have internal predecessors, (924), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:20:32,811 INFO L185 Difference]: Start difference. First operand has 24 places, 15 transitions, 46 flow. Second operand 5 states and 644 transitions. [2021-03-26 10:20:32,812 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 28 places, 22 transitions, 84 flow [2021-03-26 10:20:32,812 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 26 places, 22 transitions, 80 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-03-26 10:20:32,813 INFO L241 Difference]: Finished difference. Result has 29 places, 17 transitions, 69 flow [2021-03-26 10:20:32,813 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=154, PETRI_DIFFERENCE_MINUEND_FLOW=42, PETRI_DIFFERENCE_MINUEND_PLACES=22, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=15, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=12, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=69, PETRI_PLACES=29, PETRI_TRANSITIONS=17} [2021-03-26 10:20:32,813 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, -9 predicate places. [2021-03-26 10:20:32,813 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 10:20:32,814 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 29 places, 17 transitions, 69 flow [2021-03-26 10:20:32,814 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 29 places, 17 transitions, 69 flow [2021-03-26 10:20:32,814 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 27 places, 17 transitions, 69 flow [2021-03-26 10:20:32,820 INFO L129 PetriNetUnfolder]: 5/27 cut-off events. [2021-03-26 10:20:32,820 INFO L130 PetriNetUnfolder]: For 12/12 co-relation queries the response was YES. [2021-03-26 10:20:32,821 INFO L84 FinitePrefix]: Finished finitePrefix Result has 72 conditions, 27 events. 5/27 cut-off events. For 12/12 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 44 event pairs, 2 based on Foata normal form. 0/27 useless extension candidates. Maximal degree in co-relation 61. Up to 12 conditions per place. [2021-03-26 10:20:32,821 INFO L142 LiptonReduction]: Number of co-enabled transitions 50 [2021-03-26 10:20:32,823 INFO L154 LiptonReduction]: Checked pairs total: 48 [2021-03-26 10:20:32,823 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 10:20:32,823 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 10 [2021-03-26 10:20:32,827 INFO L480 AbstractCegarLoop]: Abstraction has has 27 places, 17 transitions, 69 flow [2021-03-26 10:20:32,828 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 126.75) internal successors, (507), 4 states have internal predecessors, (507), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:20:32,828 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 10:20:32,828 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 10:20:32,828 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-03-26 10:20:32,828 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 10:20:32,829 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 10:20:32,829 INFO L82 PathProgramCache]: Analyzing trace with hash 1392202172, now seen corresponding path program 1 times [2021-03-26 10:20:32,829 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 10:20:32,829 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [244892016] [2021-03-26 10:20:32,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 10:20:32,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 10:20:32,923 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:20:32,923 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 10:20:32,924 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:20:32,925 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:20:32,927 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:20:32,928 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:20:32,937 INFO L142 QuantifierPusher]: treesize reduction 3, result has 85.0 percent of original size [2021-03-26 10:20:32,937 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 10:20:32,947 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 10:20:32,947 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [244892016] [2021-03-26 10:20:32,948 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 10:20:32,948 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-26 10:20:32,948 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1966892522] [2021-03-26 10:20:32,948 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-26 10:20:32,948 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 10:20:32,949 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-26 10:20:32,949 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-03-26 10:20:32,950 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 117 out of 154 [2021-03-26 10:20:32,950 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 27 places, 17 transitions, 69 flow. Second operand has 5 states, 5 states have (on average 118.4) internal successors, (592), 5 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 10:20:32,951 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 10:20:32,951 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 117 of 154 [2021-03-26 10:20:32,951 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 10:20:33,012 INFO L129 PetriNetUnfolder]: 15/63 cut-off events. [2021-03-26 10:20:33,013 INFO L130 PetriNetUnfolder]: For 44/46 co-relation queries the response was YES. [2021-03-26 10:20:33,013 INFO L84 FinitePrefix]: Finished finitePrefix Result has 174 conditions, 63 events. 15/63 cut-off events. For 44/46 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 212 event pairs, 5 based on Foata normal form. 6/68 useless extension candidates. Maximal degree in co-relation 161. Up to 28 conditions per place. [2021-03-26 10:20:33,014 INFO L132 encePairwiseOnDemand]: 148/154 looper letters, 5 selfloop transitions, 2 changer transitions 5/22 dead transitions. [2021-03-26 10:20:33,014 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 32 places, 22 transitions, 105 flow [2021-03-26 10:20:33,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-26 10:20:33,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-03-26 10:20:33,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 715 transitions. [2021-03-26 10:20:33,017 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7738095238095238 [2021-03-26 10:20:33,018 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 715 transitions. [2021-03-26 10:20:33,018 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 715 transitions. [2021-03-26 10:20:33,019 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 10:20:33,019 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 715 transitions. [2021-03-26 10:20:33,021 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 119.16666666666667) internal successors, (715), 6 states have internal predecessors, (715), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:20:33,023 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 154.0) internal successors, (1078), 7 states have internal predecessors, (1078), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:20:33,024 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 154.0) internal successors, (1078), 7 states have internal predecessors, (1078), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:20:33,024 INFO L185 Difference]: Start difference. First operand has 27 places, 17 transitions, 69 flow. Second operand 6 states and 715 transitions. [2021-03-26 10:20:33,024 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 32 places, 22 transitions, 105 flow [2021-03-26 10:20:33,026 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 30 places, 22 transitions, 100 flow, removed 1 selfloop flow, removed 2 redundant places. [2021-03-26 10:20:33,027 INFO L241 Difference]: Finished difference. Result has 33 places, 17 transitions, 79 flow [2021-03-26 10:20:33,027 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=154, PETRI_DIFFERENCE_MINUEND_FLOW=64, PETRI_DIFFERENCE_MINUEND_PLACES=25, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=17, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=15, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=79, PETRI_PLACES=33, PETRI_TRANSITIONS=17} [2021-03-26 10:20:33,027 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, -5 predicate places. [2021-03-26 10:20:33,027 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 10:20:33,028 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 33 places, 17 transitions, 79 flow [2021-03-26 10:20:33,029 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 33 places, 17 transitions, 79 flow [2021-03-26 10:20:33,029 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 31 places, 17 transitions, 79 flow [2021-03-26 10:20:33,036 INFO L129 PetriNetUnfolder]: 5/37 cut-off events. [2021-03-26 10:20:33,036 INFO L130 PetriNetUnfolder]: For 18/18 co-relation queries the response was YES. [2021-03-26 10:20:33,036 INFO L84 FinitePrefix]: Finished finitePrefix Result has 100 conditions, 37 events. 5/37 cut-off events. For 18/18 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 83 event pairs, 2 based on Foata normal form. 0/37 useless extension candidates. Maximal degree in co-relation 86. Up to 16 conditions per place. [2021-03-26 10:20:33,036 INFO L142 LiptonReduction]: Number of co-enabled transitions 30 [2021-03-26 10:20:33,226 INFO L154 LiptonReduction]: Checked pairs total: 72 [2021-03-26 10:20:33,227 INFO L156 LiptonReduction]: Total number of compositions: 2 [2021-03-26 10:20:33,227 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 200 [2021-03-26 10:20:33,227 INFO L480 AbstractCegarLoop]: Abstraction has has 29 places, 15 transitions, 73 flow [2021-03-26 10:20:33,228 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 118.4) internal successors, (592), 5 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 10:20:33,228 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 10:20:33,228 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 10:20:33,228 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-03-26 10:20:33,228 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 10:20:33,229 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 10:20:33,229 INFO L82 PathProgramCache]: Analyzing trace with hash -196508706, now seen corresponding path program 2 times [2021-03-26 10:20:33,229 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 10:20:33,229 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1512411421] [2021-03-26 10:20:33,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 10:20:33,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 10:20:33,287 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:20:33,288 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:20:33,291 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:20:33,291 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:20:33,295 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:20:33,295 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 10:20:33,299 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 10:20:33,300 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 10:20:33,300 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 10:20:33,300 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1512411421] [2021-03-26 10:20:33,302 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 10:20:33,303 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-26 10:20:33,303 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1000706136] [2021-03-26 10:20:33,303 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-26 10:20:33,303 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 10:20:33,303 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-26 10:20:33,304 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-03-26 10:20:33,304 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 128 out of 156 [2021-03-26 10:20:33,305 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 29 places, 15 transitions, 73 flow. Second operand has 5 states, 5 states have (on average 128.8) internal successors, (644), 5 states have internal predecessors, (644), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:20:33,305 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 10:20:33,305 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 128 of 156 [2021-03-26 10:20:33,305 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 10:20:33,340 INFO L129 PetriNetUnfolder]: 2/19 cut-off events. [2021-03-26 10:20:33,340 INFO L130 PetriNetUnfolder]: For 14/16 co-relation queries the response was YES. [2021-03-26 10:20:33,340 INFO L84 FinitePrefix]: Finished finitePrefix Result has 69 conditions, 19 events. 2/19 cut-off events. For 14/16 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 14 event pairs, 0 based on Foata normal form. 5/24 useless extension candidates. Maximal degree in co-relation 55. Up to 10 conditions per place. [2021-03-26 10:20:33,340 INFO L132 encePairwiseOnDemand]: 151/156 looper letters, 2 selfloop transitions, 5 changer transitions 3/18 dead transitions. [2021-03-26 10:20:33,340 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 34 places, 18 transitions, 109 flow [2021-03-26 10:20:33,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-26 10:20:33,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-03-26 10:20:33,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 780 transitions. [2021-03-26 10:20:33,343 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8333333333333334 [2021-03-26 10:20:33,343 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 780 transitions. [2021-03-26 10:20:33,343 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 780 transitions. [2021-03-26 10:20:33,343 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 10:20:33,344 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 780 transitions. [2021-03-26 10:20:33,345 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 130.0) internal successors, (780), 6 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 10:20:33,347 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 156.0) internal successors, (1092), 7 states have internal predecessors, (1092), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:20:33,347 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 156.0) internal successors, (1092), 7 states have internal predecessors, (1092), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:20:33,347 INFO L185 Difference]: Start difference. First operand has 29 places, 15 transitions, 73 flow. Second operand 6 states and 780 transitions. [2021-03-26 10:20:33,347 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 34 places, 18 transitions, 109 flow [2021-03-26 10:20:33,348 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 27 places, 18 transitions, 81 flow, removed 10 selfloop flow, removed 7 redundant places. [2021-03-26 10:20:33,349 INFO L241 Difference]: Finished difference. Result has 30 places, 15 transitions, 69 flow [2021-03-26 10:20:33,349 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=156, PETRI_DIFFERENCE_MINUEND_FLOW=49, PETRI_DIFFERENCE_MINUEND_PLACES=22, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=15, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=10, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=69, PETRI_PLACES=30, PETRI_TRANSITIONS=15} [2021-03-26 10:20:33,349 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, -8 predicate places. [2021-03-26 10:20:33,349 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 10:20:33,349 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 30 places, 15 transitions, 69 flow [2021-03-26 10:20:33,350 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 30 places, 15 transitions, 69 flow [2021-03-26 10:20:33,350 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 28 places, 15 transitions, 69 flow [2021-03-26 10:20:33,355 INFO L129 PetriNetUnfolder]: 1/15 cut-off events. [2021-03-26 10:20:33,355 INFO L130 PetriNetUnfolder]: For 9/9 co-relation queries the response was YES. [2021-03-26 10:20:33,355 INFO L84 FinitePrefix]: Finished finitePrefix Result has 44 conditions, 15 events. 1/15 cut-off events. For 9/9 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 6 event pairs, 0 based on Foata normal form. 0/15 useless extension candidates. Maximal degree in co-relation 32. Up to 6 conditions per place. [2021-03-26 10:20:33,355 INFO L142 LiptonReduction]: Number of co-enabled transitions 10 [2021-03-26 10:20:34,265 WARN L205 SmtUtils]: Spent 908.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 177 [2021-03-26 10:20:34,550 WARN L205 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2021-03-26 10:20:35,759 WARN L205 SmtUtils]: Spent 1.21 s on a formula simplification. DAG size of input: 302 DAG size of output: 257 [2021-03-26 10:20:36,338 WARN L205 SmtUtils]: Spent 554.00 ms on a formula simplification that was a NOOP. DAG size: 254 [2021-03-26 10:20:36,619 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-03-26 10:20:36,763 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-03-26 10:20:36,968 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2021-03-26 10:20:37,082 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2021-03-26 10:20:37,279 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2021-03-26 10:20:37,429 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2021-03-26 10:20:37,431 INFO L154 LiptonReduction]: Checked pairs total: 24 [2021-03-26 10:20:37,431 INFO L156 LiptonReduction]: Total number of compositions: 3 [2021-03-26 10:20:37,431 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 4082 [2021-03-26 10:20:37,432 INFO L480 AbstractCegarLoop]: Abstraction has has 25 places, 12 transitions, 63 flow [2021-03-26 10:20:37,433 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 128.8) internal successors, (644), 5 states have internal predecessors, (644), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 10:20:37,433 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 10:20:37,433 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 10:20:37,433 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-03-26 10:20:37,433 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 10:20:37,434 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 10:20:37,434 INFO L82 PathProgramCache]: Analyzing trace with hash -651531762, now seen corresponding path program 1 times [2021-03-26 10:20:37,434 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 10:20:37,434 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1537870097] [2021-03-26 10:20:37,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 10:20:37,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-03-26 10:20:37,473 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-03-26 10:20:37,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-03-26 10:20:37,541 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-03-26 10:20:37,635 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-03-26 10:20:37,636 INFO L634 BasicCegarLoop]: Counterexample might be feasible [2021-03-26 10:20:37,636 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-03-26 10:20:37,996 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.03 10:20:37 BasicIcfg [2021-03-26 10:20:37,997 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-03-26 10:20:37,998 INFO L168 Benchmark]: Toolchain (without parser) took 13876.19 ms. Allocated memory was 255.9 MB in the beginning and 371.2 MB in the end (delta: 115.3 MB). Free memory was 233.0 MB in the beginning and 213.2 MB in the end (delta: 19.9 MB). Peak memory consumption was 134.6 MB. Max. memory is 16.0 GB. [2021-03-26 10:20:37,998 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 255.9 MB. Free memory is still 237.9 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-03-26 10:20:37,998 INFO L168 Benchmark]: CACSL2BoogieTranslator took 787.81 ms. Allocated memory is still 255.9 MB. Free memory was 233.0 MB in the beginning and 216.0 MB in the end (delta: 17.1 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.0 GB. [2021-03-26 10:20:37,999 INFO L168 Benchmark]: Boogie Procedure Inliner took 73.01 ms. Allocated memory is still 255.9 MB. Free memory was 216.0 MB in the beginning and 213.9 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-03-26 10:20:37,999 INFO L168 Benchmark]: Boogie Preprocessor took 47.95 ms. Allocated memory is still 255.9 MB. Free memory was 213.4 MB in the beginning and 211.8 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-03-26 10:20:37,999 INFO L168 Benchmark]: RCFGBuilder took 1692.69 ms. Allocated memory is still 255.9 MB. Free memory was 211.8 MB in the beginning and 172.9 MB in the end (delta: 38.9 MB). Peak memory consumption was 53.0 MB. Max. memory is 16.0 GB. [2021-03-26 10:20:37,999 INFO L168 Benchmark]: TraceAbstraction took 11181.87 ms. Allocated memory was 255.9 MB in the beginning and 371.2 MB in the end (delta: 115.3 MB). Free memory was 172.9 MB in the beginning and 213.2 MB in the end (delta: -40.3 MB). Peak memory consumption was 75.1 MB. Max. memory is 16.0 GB. [2021-03-26 10:20:38,001 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 255.9 MB. Free memory is still 237.9 MB. There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 787.81 ms. Allocated memory is still 255.9 MB. Free memory was 233.0 MB in the beginning and 216.0 MB in the end (delta: 17.1 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 73.01 ms. Allocated memory is still 255.9 MB. Free memory was 216.0 MB in the beginning and 213.9 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 47.95 ms. Allocated memory is still 255.9 MB. Free memory was 213.4 MB in the beginning and 211.8 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 1692.69 ms. Allocated memory is still 255.9 MB. Free memory was 211.8 MB in the beginning and 172.9 MB in the end (delta: 38.9 MB). Peak memory consumption was 53.0 MB. Max. memory is 16.0 GB. * TraceAbstraction took 11181.87 ms. Allocated memory was 255.9 MB in the beginning and 371.2 MB in the end (delta: 115.3 MB). Free memory was 172.9 MB in the beginning and 213.2 MB in the end (delta: -40.3 MB). Peak memory consumption was 75.1 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2437.4ms, 86 PlacesBefore, 38 PlacesAfterwards, 81 TransitionsBefore, 32 TransitionsAfterwards, 968 CoEnabledTransitionPairs, 4 FixpointIterations, 25 TrivialSequentialCompositions, 24 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 6 ConcurrentYvCompositions, 1 ChoiceCompositions, 56 TotalNumberOfCompositions, 1537 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 908, positive: 855, positive conditional: 855, positive unconditional: 0, negative: 53, negative conditional: 53, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 908, positive: 855, positive conditional: 0, positive unconditional: 855, negative: 53, negative conditional: 0, negative unconditional: 53, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 908, positive: 855, positive conditional: 0, positive unconditional: 855, negative: 53, negative conditional: 0, negative unconditional: 53, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 685, positive: 660, positive conditional: 0, positive unconditional: 660, negative: 25, negative conditional: 0, negative unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 685, positive: 650, positive conditional: 0, positive unconditional: 650, negative: 35, negative conditional: 0, negative unconditional: 35, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 35, positive: 10, positive conditional: 0, positive unconditional: 10, negative: 25, negative conditional: 0, negative unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 325, positive: 30, positive conditional: 0, positive unconditional: 30, negative: 295, negative conditional: 0, negative unconditional: 295, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 908, positive: 195, positive conditional: 0, positive unconditional: 195, negative: 28, negative conditional: 0, negative unconditional: 28, unknown: 685, unknown conditional: 0, unknown unconditional: 685] , Statistics on independence cache: Total cache size (in pairs): 685, Positive cache size: 660, Positive conditional cache size: 0, Positive unconditional cache size: 660, Negative cache size: 25, Negative conditional cache size: 0, Negative unconditional cache size: 25, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1096.0ms, 37 PlacesBefore, 26 PlacesAfterwards, 30 TransitionsBefore, 19 TransitionsAfterwards, 192 CoEnabledTransitionPairs, 4 FixpointIterations, 7 TrivialSequentialCompositions, 5 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 12 TotalNumberOfCompositions, 744 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 323, positive: 248, positive conditional: 248, positive unconditional: 0, negative: 75, negative conditional: 75, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 323, positive: 248, positive conditional: 25, positive unconditional: 223, negative: 75, negative conditional: 4, negative unconditional: 71, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 323, positive: 248, positive conditional: 25, positive unconditional: 223, negative: 75, negative conditional: 4, negative unconditional: 71, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 86, positive: 73, positive conditional: 8, positive unconditional: 65, negative: 13, negative conditional: 1, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 86, positive: 72, positive conditional: 0, positive unconditional: 72, negative: 14, negative conditional: 0, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 14, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 13, negative conditional: 1, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 188, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 186, negative conditional: 23, negative unconditional: 162, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 323, positive: 175, positive conditional: 17, positive unconditional: 158, negative: 62, negative conditional: 3, negative unconditional: 59, unknown: 86, unknown conditional: 9, unknown unconditional: 77] , Statistics on independence cache: Total cache size (in pairs): 771, Positive cache size: 733, Positive conditional cache size: 8, Positive unconditional cache size: 725, Negative cache size: 38, Negative conditional cache size: 1, Negative unconditional cache size: 37, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1072.5ms, 29 PlacesBefore, 24 PlacesAfterwards, 18 TransitionsBefore, 16 TransitionsAfterwards, 94 CoEnabledTransitionPairs, 3 FixpointIterations, 2 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 357 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 132, positive: 84, positive conditional: 84, positive unconditional: 0, negative: 48, negative conditional: 48, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 132, positive: 84, positive conditional: 0, positive unconditional: 84, 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: 132, positive: 84, positive conditional: 0, positive unconditional: 84, 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: 4, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 4, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 2, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 42, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 42, negative conditional: 0, negative unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 132, positive: 82, positive conditional: 0, positive unconditional: 82, negative: 46, negative conditional: 0, negative unconditional: 46, unknown: 4, unknown conditional: 0, unknown unconditional: 4] , Statistics on independence cache: Total cache size (in pairs): 775, Positive cache size: 735, Positive conditional cache size: 8, Positive unconditional cache size: 727, Negative cache size: 40, Negative conditional cache size: 1, Negative unconditional cache size: 39, Eliminated conditions: 9 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 147.1ms, 25 PlacesBefore, 24 PlacesAfterwards, 16 TransitionsBefore, 15 TransitionsAfterwards, 68 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 158 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 69, positive: 45, positive conditional: 45, 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: 69, positive: 45, positive conditional: 0, positive unconditional: 45, negative: 24, negative conditional: 5, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 69, positive: 45, positive conditional: 0, positive unconditional: 45, negative: 24, negative conditional: 5, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 7, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 5, negative conditional: 3, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 7, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 5, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 5, negative conditional: 3, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 32, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 32, negative conditional: 10, negative unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 69, positive: 43, positive conditional: 0, positive unconditional: 43, negative: 19, negative conditional: 2, negative unconditional: 17, unknown: 7, unknown conditional: 3, unknown unconditional: 4] , Statistics on independence cache: Total cache size (in pairs): 782, Positive cache size: 737, Positive conditional cache size: 8, Positive unconditional cache size: 729, Negative cache size: 45, Negative conditional cache size: 4, Negative unconditional cache size: 41, Eliminated conditions: 12 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 8.5ms, 29 PlacesBefore, 27 PlacesAfterwards, 17 TransitionsBefore, 17 TransitionsAfterwards, 50 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 48 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 26, positive: 18, positive conditional: 18, positive unconditional: 0, negative: 8, negative conditional: 8, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 26, positive: 18, positive conditional: 5, positive unconditional: 13, negative: 8, negative conditional: 3, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 26, positive: 18, positive conditional: 5, positive unconditional: 13, negative: 8, negative conditional: 3, negative unconditional: 5, 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: 26, positive: 16, positive conditional: 3, positive unconditional: 13, negative: 8, negative conditional: 3, negative unconditional: 5, unknown: 2, unknown conditional: 2, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 784, Positive cache size: 739, Positive conditional cache size: 10, Positive unconditional cache size: 729, Negative cache size: 45, Negative conditional cache size: 4, Negative unconditional cache size: 41, Eliminated conditions: 2 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 197.9ms, 33 PlacesBefore, 29 PlacesAfterwards, 17 TransitionsBefore, 15 TransitionsAfterwards, 30 CoEnabledTransitionPairs, 3 FixpointIterations, 2 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 72 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 32, positive: 19, positive conditional: 19, positive unconditional: 0, negative: 13, negative conditional: 13, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 32, positive: 19, positive conditional: 6, positive unconditional: 13, negative: 13, negative conditional: 0, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 32, positive: 19, positive conditional: 6, positive unconditional: 13, negative: 13, negative conditional: 0, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 2, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 55, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 55, negative conditional: 0, negative unconditional: 55, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 32, positive: 19, positive conditional: 6, positive unconditional: 13, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 2, unknown conditional: 0, unknown unconditional: 2] , Statistics on independence cache: Total cache size (in pairs): 786, Positive cache size: 739, Positive conditional cache size: 10, Positive unconditional cache size: 729, Negative cache size: 47, Negative conditional cache size: 4, Negative unconditional cache size: 43, Eliminated conditions: 7 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 4081.8ms, 30 PlacesBefore, 25 PlacesAfterwards, 15 TransitionsBefore, 12 TransitionsAfterwards, 10 CoEnabledTransitionPairs, 3 FixpointIterations, 2 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 3 TotalNumberOfCompositions, 24 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 20, positive: 10, positive conditional: 10, 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: 20, positive: 10, positive conditional: 7, positive unconditional: 3, 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: 20, positive: 10, positive conditional: 7, positive unconditional: 3, 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: 3, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 3, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 2, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 92, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 92, negative conditional: 0, negative unconditional: 92, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 20, positive: 9, positive conditional: 6, positive unconditional: 3, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 3, unknown conditional: 1, unknown unconditional: 2] , Statistics on independence cache: Total cache size (in pairs): 789, Positive cache size: 740, Positive conditional cache size: 11, Positive unconditional cache size: 729, Negative cache size: 49, Negative conditional cache size: 4, Negative unconditional cache size: 45, Eliminated conditions: 11 - CounterExampleResult [Line: 19]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L709] 0 int __unbuffered_cnt = 0; [L711] 0 int __unbuffered_p0_EAX = 0; [L713] 0 int __unbuffered_p1_EAX = 0; [L715] 0 int __unbuffered_p1_EBX = 0; [L716] 0 _Bool main$tmp_guard0; [L717] 0 _Bool main$tmp_guard1; [L719] 0 int x = 0; [L720] 0 _Bool x$flush_delayed; [L721] 0 int x$mem_tmp; [L722] 0 _Bool x$r_buff0_thd0; [L723] 0 _Bool x$r_buff0_thd1; [L724] 0 _Bool x$r_buff0_thd2; [L725] 0 _Bool x$r_buff1_thd0; [L726] 0 _Bool x$r_buff1_thd1; [L727] 0 _Bool x$r_buff1_thd2; [L728] 0 _Bool x$read_delayed; [L729] 0 int *x$read_delayed_var; [L730] 0 int x$w_buff0; [L731] 0 _Bool x$w_buff0_used; [L732] 0 int x$w_buff1; [L733] 0 _Bool x$w_buff1_used; [L735] 0 int y = 0; [L736] 0 _Bool weak$$choice0; [L737] 0 _Bool weak$$choice2; [L813] 0 pthread_t t1641; [L814] FCALL, FORK 0 pthread_create(&t1641, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0] [L815] 0 pthread_t t1642; [L816] FCALL, FORK 0 pthread_create(&t1642, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0] [L771] 2 x$w_buff1 = x$w_buff0 [L772] 2 x$w_buff0 = 1 [L773] 2 x$w_buff1_used = x$w_buff0_used [L774] 2 x$w_buff0_used = (_Bool)1 [L19] COND FALSE 2 !(!expression) [L776] 2 x$r_buff1_thd0 = x$r_buff0_thd0 [L777] 2 x$r_buff1_thd1 = x$r_buff0_thd1 [L778] 2 x$r_buff1_thd2 = x$r_buff0_thd2 [L779] 2 x$r_buff0_thd2 = (_Bool)1 [L782] 2 y = 1 [L785] 2 __unbuffered_p1_EAX = y [L788] 2 __unbuffered_p1_EBX = y VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=1, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=1] [L741] 1 y = 2 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=1, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=2] [L746] 1 weak$$choice0 = __VERIFIER_nondet_bool() [L747] 1 weak$$choice2 = __VERIFIER_nondet_bool() [L748] 1 x$flush_delayed = weak$$choice2 [L749] 1 x$mem_tmp = x [L750] EXPR 1 !x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : x$w_buff1) [L750] 1 x = !x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : x$w_buff1) [L751] EXPR 1 weak$$choice2 ? x$w_buff0 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff0 : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : x$w_buff0)) [L751] EXPR 1 !x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff0 : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : x$w_buff0) [L751] EXPR 1 weak$$choice2 ? x$w_buff0 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff0 : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : x$w_buff0)) [L751] 1 x$w_buff0 = weak$$choice2 ? x$w_buff0 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff0 : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : x$w_buff0)) [L752] EXPR 1 weak$$choice2 ? x$w_buff1 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff1 : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff1 : x$w_buff1)) [L752] EXPR 1 !x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff1 : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff1 : x$w_buff1) [L752] EXPR 1 weak$$choice2 ? x$w_buff1 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff1 : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff1 : x$w_buff1)) [L752] 1 x$w_buff1 = weak$$choice2 ? x$w_buff1 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff1 : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff1 : x$w_buff1)) [L753] EXPR 1 weak$$choice2 ? x$w_buff0_used : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff0_used : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$w_buff0_used)) [L753] EXPR 1 !x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff0_used : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$w_buff0_used) [L753] EXPR 1 weak$$choice2 ? x$w_buff0_used : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff0_used : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$w_buff0_used)) [L753] 1 x$w_buff0_used = weak$$choice2 ? x$w_buff0_used : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff0_used : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$w_buff0_used)) [L754] EXPR 1 weak$$choice2 ? x$w_buff1_used : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff1_used : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) [L754] EXPR 1 !x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff1_used : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : (_Bool)0) [L754] EXPR 1 weak$$choice2 ? x$w_buff1_used : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff1_used : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) [L754] 1 x$w_buff1_used = weak$$choice2 ? x$w_buff1_used : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff1_used : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) [L755] EXPR 1 weak$$choice2 ? x$r_buff0_thd1 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$r_buff0_thd1 : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$r_buff0_thd1)) [L755] EXPR 1 !x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$r_buff0_thd1 : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$r_buff0_thd1) [L755] EXPR 1 weak$$choice2 ? x$r_buff0_thd1 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$r_buff0_thd1 : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$r_buff0_thd1)) [L755] 1 x$r_buff0_thd1 = weak$$choice2 ? x$r_buff0_thd1 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$r_buff0_thd1 : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$r_buff0_thd1)) [L756] EXPR 1 weak$$choice2 ? x$r_buff1_thd1 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$r_buff1_thd1 : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) [L756] EXPR 1 !x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$r_buff1_thd1 : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : (_Bool)0) [L756] EXPR 1 weak$$choice2 ? x$r_buff1_thd1 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$r_buff1_thd1 : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) [L756] 1 x$r_buff1_thd1 = weak$$choice2 ? x$r_buff1_thd1 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$r_buff1_thd1 : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) [L757] 1 __unbuffered_p0_EAX = x [L758] EXPR 1 x$flush_delayed ? x$mem_tmp : x [L758] 1 x = x$flush_delayed ? x$mem_tmp : x [L759] 1 x$flush_delayed = (_Bool)0 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=1, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=2] [L791] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd2 ? x$w_buff1 : x) [L791] 2 x = x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd2 ? x$w_buff1 : x) [L792] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$w_buff0_used [L792] 2 x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$w_buff0_used [L793] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$w_buff1_used [L793] 2 x$w_buff1_used = x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$w_buff1_used [L794] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$r_buff0_thd2 [L794] 2 x$r_buff0_thd2 = x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$r_buff0_thd2 [L795] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$r_buff1_thd2 [L795] 2 x$r_buff1_thd2 = x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$r_buff1_thd2 [L798] 2 __unbuffered_cnt = __unbuffered_cnt + 1 [L800] 2 return 0; [L764] 1 __unbuffered_cnt = __unbuffered_cnt + 1 [L766] 1 return 0; [L818] 0 main$tmp_guard0 = __unbuffered_cnt == 2 [L4] COND FALSE 0 !(!cond) [L822] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd0 ? x$w_buff1 : x) [L822] EXPR 0 x$w_buff1_used && x$r_buff1_thd0 ? x$w_buff1 : x [L822] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd0 ? x$w_buff1 : x) [L822] 0 x = x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd0 ? x$w_buff1 : x) [L823] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$w_buff0_used [L823] 0 x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$w_buff0_used [L824] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? (_Bool)0 : x$w_buff1_used [L824] 0 x$w_buff1_used = x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? (_Bool)0 : x$w_buff1_used [L825] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$r_buff0_thd0 [L825] 0 x$r_buff0_thd0 = x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$r_buff0_thd0 [L826] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? (_Bool)0 : x$r_buff1_thd0 [L826] 0 x$r_buff1_thd0 = x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? (_Bool)0 : x$r_buff1_thd0 [L829] 0 main$tmp_guard1 = !(y == 2 && __unbuffered_p0_EAX == 0 && __unbuffered_p1_EAX == 1 && __unbuffered_p1_EBX == 1) [L19] COND TRUE 0 !expression [L19] 0 reach_error() VAL [\result={0:0}, __unbuffered_cnt=2, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=1, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=0, x=1, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 82 locations, 2 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 3.5ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: UNSAFE, OverallTime: 10432.4ms, OverallIterations: 7, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 380.1ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 2525.9ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 21 SDtfs, 10 SDslu, 11 SDs, 0 SdLazy, 69 SolverSat, 18 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 101.3ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 23 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 73.5ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=79occurred in iteration=5, InterpolantAutomatonStates: 28, 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: 22.8ms SsaConstructionTime, 232.6ms SatisfiabilityAnalysisTime, 342.7ms InterpolantComputationTime, 95 NumberOfCodeBlocks, 95 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 76 ConstructedInterpolants, 0 QuantifiedInterpolants, 232 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 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...