/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-RepeatedSemanticLbeWithPredicates.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/mix038_tso.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-6f4246e9f5583d222ebb38ff8175c901f3a528f0-6f4246e [2021-04-28 20:32:14,019 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-04-28 20:32:14,023 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-04-28 20:32:14,065 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-04-28 20:32:14,066 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-04-28 20:32:14,067 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-04-28 20:32:14,069 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-04-28 20:32:14,071 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-04-28 20:32:14,074 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-04-28 20:32:14,075 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-04-28 20:32:14,076 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-04-28 20:32:14,078 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-04-28 20:32:14,078 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-04-28 20:32:14,080 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-04-28 20:32:14,081 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-04-28 20:32:14,082 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-04-28 20:32:14,083 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-04-28 20:32:14,085 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-04-28 20:32:14,087 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-04-28 20:32:14,089 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-04-28 20:32:14,091 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-04-28 20:32:14,096 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-04-28 20:32:14,097 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-04-28 20:32:14,098 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-04-28 20:32:14,101 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-04-28 20:32:14,112 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-04-28 20:32:14,113 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-04-28 20:32:14,114 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-04-28 20:32:14,115 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-RepeatedSemanticLbeWithPredicates.epf [2021-04-28 20:32:14,143 INFO L113 SettingsManager]: Loading preferences was successful [2021-04-28 20:32:14,143 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-04-28 20:32:14,145 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-04-28 20:32:14,145 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-04-28 20:32:14,145 INFO L138 SettingsManager]: * Use SBE=true [2021-04-28 20:32:14,146 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-04-28 20:32:14,146 INFO L138 SettingsManager]: * sizeof long=4 [2021-04-28 20:32:14,146 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-04-28 20:32:14,146 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-04-28 20:32:14,147 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-04-28 20:32:14,147 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-04-28 20:32:14,147 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-04-28 20:32:14,147 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-04-28 20:32:14,148 INFO L138 SettingsManager]: * sizeof long double=12 [2021-04-28 20:32:14,148 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-04-28 20:32:14,148 INFO L138 SettingsManager]: * Use constant arrays=true [2021-04-28 20:32:14,148 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-04-28 20:32:14,149 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-04-28 20:32:14,149 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-04-28 20:32:14,149 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-04-28 20:32:14,150 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-04-28 20:32:14,150 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-04-28 20:32:14,150 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-04-28 20:32:14,151 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-04-28 20:32:14,151 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-04-28 20:32:14,151 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-04-28 20:32:14,151 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-04-28 20:32:14,152 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=SEMANTIC_BASED_MOVER_CHECK_WITH_PREDICATES [2021-04-28 20:32:14,152 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-04-28 20:32:14,152 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-04-28 20:32:14,152 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-04-28 20:32:14,553 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-04-28 20:32:14,581 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-04-28 20:32:14,584 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-04-28 20:32:14,585 INFO L271 PluginConnector]: Initializing CDTParser... [2021-04-28 20:32:14,586 INFO L275 PluginConnector]: CDTParser initialized [2021-04-28 20:32:14,587 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix038_tso.opt.i [2021-04-28 20:32:14,682 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/43e2fac95/d5134bfcc4634e73a9f4b5eab142db3f/FLAGb0387b9e7 [2021-04-28 20:32:15,479 INFO L306 CDTParser]: Found 1 translation units. [2021-04-28 20:32:15,480 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix038_tso.opt.i [2021-04-28 20:32:15,521 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/43e2fac95/d5134bfcc4634e73a9f4b5eab142db3f/FLAGb0387b9e7 [2021-04-28 20:32:15,732 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/43e2fac95/d5134bfcc4634e73a9f4b5eab142db3f [2021-04-28 20:32:15,735 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-04-28 20:32:15,782 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-04-28 20:32:15,784 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-04-28 20:32:15,784 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-04-28 20:32:15,788 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-04-28 20:32:15,789 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.04 08:32:15" (1/1) ... [2021-04-28 20:32:15,790 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d859111 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 08:32:15, skipping insertion in model container [2021-04-28 20:32:15,790 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.04 08:32:15" (1/1) ... [2021-04-28 20:32:15,798 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-04-28 20:32:15,844 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-04-28 20:32:16,018 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/mix038_tso.opt.i[948,961] [2021-04-28 20:32:16,233 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-04-28 20:32:16,248 INFO L203 MainTranslator]: Completed pre-run [2021-04-28 20:32:16,266 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/mix038_tso.opt.i[948,961] [2021-04-28 20:32:16,330 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-04-28 20:32:16,474 INFO L208 MainTranslator]: Completed translation [2021-04-28 20:32:16,474 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 08:32:16 WrapperNode [2021-04-28 20:32:16,477 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-04-28 20:32:16,478 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-04-28 20:32:16,479 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-04-28 20:32:16,479 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-04-28 20:32:16,496 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 08:32:16" (1/1) ... [2021-04-28 20:32:16,525 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 08:32:16" (1/1) ... [2021-04-28 20:32:16,566 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-04-28 20:32:16,567 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-04-28 20:32:16,567 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-04-28 20:32:16,567 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-04-28 20:32:16,577 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 08:32:16" (1/1) ... [2021-04-28 20:32:16,578 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 08:32:16" (1/1) ... [2021-04-28 20:32:16,583 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 08:32:16" (1/1) ... [2021-04-28 20:32:16,583 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 08:32:16" (1/1) ... [2021-04-28 20:32:16,593 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 08:32:16" (1/1) ... [2021-04-28 20:32:16,597 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 08:32:16" (1/1) ... [2021-04-28 20:32:16,601 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 08:32:16" (1/1) ... [2021-04-28 20:32:16,607 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-04-28 20:32:16,608 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-04-28 20:32:16,608 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-04-28 20:32:16,608 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-04-28 20:32:16,609 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 08:32:16" (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 [2021-04-28 20:32:16,719 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-04-28 20:32:16,720 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-04-28 20:32:16,720 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-04-28 20:32:16,720 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-04-28 20:32:16,721 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-04-28 20:32:16,721 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-04-28 20:32:16,722 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-04-28 20:32:16,722 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-04-28 20:32:16,722 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-04-28 20:32:16,722 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-04-28 20:32:16,723 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-04-28 20:32:16,723 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-04-28 20:32:16,723 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-04-28 20:32:16,723 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-04-28 20:32:16,725 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-04-28 20:32:19,155 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-04-28 20:32:19,155 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-04-28 20:32:19,158 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.04 08:32:19 BoogieIcfgContainer [2021-04-28 20:32:19,158 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-04-28 20:32:19,160 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-04-28 20:32:19,160 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-04-28 20:32:19,163 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-04-28 20:32:19,164 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.04 08:32:15" (1/3) ... [2021-04-28 20:32:19,164 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d9d367d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.04 08:32:19, skipping insertion in model container [2021-04-28 20:32:19,165 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 08:32:16" (2/3) ... [2021-04-28 20:32:19,165 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d9d367d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.04 08:32:19, skipping insertion in model container [2021-04-28 20:32:19,165 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.04 08:32:19" (3/3) ... [2021-04-28 20:32:19,167 INFO L111 eAbstractionObserver]: Analyzing ICFG mix038_tso.opt.i [2021-04-28 20:32:19,174 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-04-28 20:32:19,180 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2021-04-28 20:32:19,181 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-04-28 20:32:19,219 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:19,219 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:19,219 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:19,219 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:19,220 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:19,220 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:19,220 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:19,220 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:19,220 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:19,221 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:19,221 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:19,221 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:19,221 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:19,222 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:19,222 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:19,222 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:19,222 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:19,222 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:19,222 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:19,223 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:19,223 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:19,223 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:19,223 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:19,223 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:19,224 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:19,224 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:19,224 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:19,224 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:19,224 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:19,224 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:19,225 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:19,225 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:19,225 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:19,225 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:19,225 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:19,226 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:19,226 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:19,226 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:19,226 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:19,226 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:19,226 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:19,227 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:19,227 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:19,227 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:19,227 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:19,227 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:19,227 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:19,228 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:19,228 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:19,228 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:19,228 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:19,228 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:19,228 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:19,229 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:19,229 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:19,229 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:19,229 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:19,229 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:19,231 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:19,231 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:19,232 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:19,232 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:19,232 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:19,232 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:19,232 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:19,232 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:19,233 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:19,233 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:19,233 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:19,233 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:19,233 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:19,233 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:19,234 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:19,234 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:19,234 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:19,234 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:19,234 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:19,235 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:19,235 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:19,235 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:19,235 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:19,235 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:19,235 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:19,236 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:19,236 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:19,236 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:19,236 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:19,236 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:19,236 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:19,237 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:19,237 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:19,237 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:19,237 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:19,237 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:19,237 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:19,238 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:19,240 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:19,240 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:19,240 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:19,240 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:19,241 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:19,241 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:19,242 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:19,242 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:19,242 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:19,242 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:19,242 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:19,243 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:19,243 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:19,243 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:19,243 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:19,243 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:19,244 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:19,244 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:19,244 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:19,244 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:19,245 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:19,245 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:19,245 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:19,245 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:19,245 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:19,245 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:19,246 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:19,246 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:19,246 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:19,246 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:19,247 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:19,247 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:19,247 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:19,247 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:19,248 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:19,248 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:19,248 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:19,248 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:19,251 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:19,251 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:19,251 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:19,252 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:19,252 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:19,252 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:19,252 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:19,252 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:19,253 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:19,253 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:19,253 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:19,253 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:19,255 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:19,256 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:19,256 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:19,256 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:19,258 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:19,258 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:19,258 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:19,258 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:19,258 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:19,259 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:19,259 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:19,259 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:19,259 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:19,259 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:19,260 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:19,260 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:19,260 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:19,260 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:19,260 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:19,260 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:19,261 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:19,261 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:19,261 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:19,261 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:19,261 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:19,262 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:19,262 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:19,262 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:19,262 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:19,262 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:19,262 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:32:19,264 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-04-28 20:32:19,288 INFO L253 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2021-04-28 20:32:19,315 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-04-28 20:32:19,315 INFO L377 AbstractCegarLoop]: Hoare is false [2021-04-28 20:32:19,315 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-04-28 20:32:19,315 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-04-28 20:32:19,315 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-04-28 20:32:19,316 INFO L381 AbstractCegarLoop]: Difference is false [2021-04-28 20:32:19,316 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-04-28 20:32:19,316 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-04-28 20:32:19,331 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 108 places, 100 transitions, 215 flow [2021-04-28 20:32:19,384 INFO L129 PetriNetUnfolder]: 2/97 cut-off events. [2021-04-28 20:32:19,384 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 20:32:19,389 INFO L84 FinitePrefix]: Finished finitePrefix Result has 107 conditions, 97 events. 2/97 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 65 event pairs, 0 based on Foata normal form. 0/93 useless extension candidates. Maximal degree in co-relation 61. Up to 2 conditions per place. [2021-04-28 20:32:19,390 INFO L82 GeneralOperation]: Start removeDead. Operand has 108 places, 100 transitions, 215 flow [2021-04-28 20:32:19,400 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 105 places, 97 transitions, 203 flow [2021-04-28 20:32:19,405 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 20:32:19,426 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 105 places, 97 transitions, 203 flow [2021-04-28 20:32:19,433 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 105 places, 97 transitions, 203 flow [2021-04-28 20:32:19,441 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 105 places, 97 transitions, 203 flow [2021-04-28 20:32:19,490 INFO L129 PetriNetUnfolder]: 2/97 cut-off events. [2021-04-28 20:32:19,490 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 20:32:19,492 INFO L84 FinitePrefix]: Finished finitePrefix Result has 107 conditions, 97 events. 2/97 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 60 event pairs, 0 based on Foata normal form. 0/93 useless extension candidates. Maximal degree in co-relation 61. Up to 2 conditions per place. [2021-04-28 20:32:19,499 INFO L146 LiptonReduction]: Number of co-enabled transitions 1644 [2021-04-28 20:32:22,912 WARN L205 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 60 [2021-04-28 20:32:23,028 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2021-04-28 20:32:23,554 WARN L205 SmtUtils]: Spent 523.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 83 [2021-04-28 20:32:23,764 WARN L205 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2021-04-28 20:32:36,578 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2021-04-28 20:32:36,707 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2021-04-28 20:32:37,261 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2021-04-28 20:32:37,370 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2021-04-28 20:32:37,485 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2021-04-28 20:32:37,600 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2021-04-28 20:32:38,076 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2021-04-28 20:32:38,183 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2021-04-28 20:32:38,290 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2021-04-28 20:32:38,399 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2021-04-28 20:32:38,872 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2021-04-28 20:32:39,007 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2021-04-28 20:32:39,116 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2021-04-28 20:32:39,224 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2021-04-28 20:32:42,453 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 20:32:42,555 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 20:32:42,677 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 20:32:42,788 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 20:32:42,915 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 20:32:43,034 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 20:32:43,158 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 20:32:43,282 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 20:32:43,406 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 20:32:43,520 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 20:32:43,643 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 20:32:43,758 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 20:32:43,870 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 20:32:44,007 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 20:32:44,131 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 20:32:44,243 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 20:32:44,613 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 20:32:44,728 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 20:32:44,852 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 20:32:44,963 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 20:32:45,067 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 20:32:45,855 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 20:32:45,987 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 20:32:46,129 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 20:32:46,258 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 20:32:46,390 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 20:32:46,517 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 20:32:46,645 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 20:32:46,778 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 20:32:46,888 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 20:32:46,995 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 20:32:47,136 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 20:32:47,241 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 20:32:47,406 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 20:32:47,569 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 20:32:47,733 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 20:32:47,896 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 20:32:48,044 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 20:32:48,196 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 20:32:48,333 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 20:32:48,477 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 20:32:48,636 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 20:32:48,790 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 20:32:48,942 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 20:32:49,099 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 20:32:49,292 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-04-28 20:32:49,484 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-04-28 20:32:49,682 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-04-28 20:32:49,904 WARN L205 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-04-28 20:32:50,055 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 20:32:50,210 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 20:32:50,369 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 20:32:50,523 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 20:32:50,691 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 20:32:50,859 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 20:32:51,035 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 20:32:51,213 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 20:32:51,356 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 20:32:51,495 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 20:32:51,631 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 20:32:51,769 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 20:32:51,951 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 20:32:52,127 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 20:32:52,306 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 20:32:52,489 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 20:32:52,682 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 20:32:52,852 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 20:32:53,020 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 20:32:53,191 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 20:32:53,350 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 20:32:53,507 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 20:32:53,667 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 20:32:53,830 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 20:32:54,316 WARN L205 SmtUtils]: Spent 484.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 113 [2021-04-28 20:32:54,533 WARN L205 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2021-04-28 20:32:55,004 WARN L205 SmtUtils]: Spent 469.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 113 [2021-04-28 20:32:55,233 WARN L205 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2021-04-28 20:32:55,448 WARN L205 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 20:32:55,648 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 20:32:55,852 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 20:32:56,054 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 20:32:56,274 WARN L205 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-04-28 20:32:56,480 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-04-28 20:32:56,672 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-04-28 20:32:56,874 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-04-28 20:32:57,362 WARN L205 SmtUtils]: Spent 486.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 118 [2021-04-28 20:32:57,592 WARN L205 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2021-04-28 20:32:58,084 WARN L205 SmtUtils]: Spent 491.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 118 [2021-04-28 20:32:58,319 WARN L205 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2021-04-28 20:32:58,512 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-04-28 20:32:58,706 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-04-28 20:32:58,901 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-04-28 20:32:59,096 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-04-28 20:32:59,243 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 20:32:59,385 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 20:32:59,534 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 20:32:59,683 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 20:32:59,874 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-04-28 20:33:00,061 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-04-28 20:33:00,257 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-04-28 20:33:00,459 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-04-28 20:33:00,514 INFO L158 LiptonReduction]: Checked pairs total: 16020 [2021-04-28 20:33:00,514 INFO L160 LiptonReduction]: Total number of compositions: 256 [2021-04-28 20:33:00,520 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 41116 [2021-04-28 20:33:00,544 INFO L129 PetriNetUnfolder]: 0/84 cut-off events. [2021-04-28 20:33:00,544 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 20:33:00,545 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 20:33:00,545 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-04-28 20:33:00,546 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 20:33:00,552 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 20:33:00,552 INFO L82 PathProgramCache]: Analyzing trace with hash 79570526, now seen corresponding path program 1 times [2021-04-28 20:33:00,562 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 20:33:00,562 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1564409459] [2021-04-28 20:33:00,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 20:33:00,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 20:33:00,896 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:33:00,897 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 20:33:00,904 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 20:33:00,905 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1564409459] [2021-04-28 20:33:00,905 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 20:33:00,906 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-04-28 20:33:00,906 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [324152745] [2021-04-28 20:33:00,915 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-28 20:33:00,916 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 20:33:00,930 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-28 20:33:00,932 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-28 20:33:00,935 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 295 out of 356 [2021-04-28 20:33:00,941 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 135 places, 126 transitions, 261 flow. Second operand has 3 states, 3 states have (on average 295.6666666666667) internal successors, (887), 3 states have internal predecessors, (887), 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) [2021-04-28 20:33:00,941 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 20:33:00,941 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 295 of 356 [2021-04-28 20:33:00,943 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 20:33:01,081 INFO L129 PetriNetUnfolder]: 17/170 cut-off events. [2021-04-28 20:33:01,081 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 20:33:01,083 INFO L84 FinitePrefix]: Finished finitePrefix Result has 229 conditions, 170 events. 17/170 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 55. Compared 1021 event pairs, 1 based on Foata normal form. 19/73 useless extension candidates. Maximal degree in co-relation 154. Up to 33 conditions per place. [2021-04-28 20:33:01,086 INFO L132 encePairwiseOnDemand]: 338/356 looper letters, 5 selfloop transitions, 4 changer transitions 58/124 dead transitions. [2021-04-28 20:33:01,086 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 134 places, 124 transitions, 297 flow [2021-04-28 20:33:01,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-28 20:33:01,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-28 20:33:01,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 911 transitions. [2021-04-28 20:33:01,121 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.852996254681648 [2021-04-28 20:33:01,123 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 911 transitions. [2021-04-28 20:33:01,124 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 911 transitions. [2021-04-28 20:33:01,132 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 20:33:01,135 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 911 transitions. [2021-04-28 20:33:01,143 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 303.6666666666667) internal successors, (911), 3 states have internal predecessors, (911), 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) [2021-04-28 20:33:01,154 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 356.0) internal successors, (1424), 4 states have internal predecessors, (1424), 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) [2021-04-28 20:33:01,155 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 356.0) internal successors, (1424), 4 states have internal predecessors, (1424), 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) [2021-04-28 20:33:01,157 INFO L185 Difference]: Start difference. First operand has 135 places, 126 transitions, 261 flow. Second operand 3 states and 911 transitions. [2021-04-28 20:33:01,158 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 134 places, 124 transitions, 297 flow [2021-04-28 20:33:01,163 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 131 places, 124 transitions, 294 flow, removed 0 selfloop flow, removed 3 redundant places. [2021-04-28 20:33:01,169 INFO L241 Difference]: Finished difference. Result has 131 places, 64 transitions, 142 flow [2021-04-28 20:33:01,171 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=356, PETRI_DIFFERENCE_MINUEND_FLOW=250, PETRI_DIFFERENCE_MINUEND_PLACES=129, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=122, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=118, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=142, PETRI_PLACES=131, PETRI_TRANSITIONS=64} [2021-04-28 20:33:01,172 INFO L343 CegarLoopForPetriNet]: 135 programPoint places, -4 predicate places. [2021-04-28 20:33:01,172 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 20:33:01,173 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 131 places, 64 transitions, 142 flow [2021-04-28 20:33:01,174 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 131 places, 64 transitions, 142 flow [2021-04-28 20:33:01,175 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 73 places, 64 transitions, 142 flow [2021-04-28 20:33:01,189 INFO L129 PetriNetUnfolder]: 0/64 cut-off events. [2021-04-28 20:33:01,189 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 20:33:01,189 INFO L84 FinitePrefix]: Finished finitePrefix Result has 76 conditions, 64 events. 0/64 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 312 event pairs, 0 based on Foata normal form. 0/21 useless extension candidates. Maximal degree in co-relation 0. Up to 4 conditions per place. [2021-04-28 20:33:01,191 INFO L146 LiptonReduction]: Number of co-enabled transitions 1968 [2021-04-28 20:33:01,468 INFO L158 LiptonReduction]: Checked pairs total: 2504 [2021-04-28 20:33:01,468 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 20:33:01,468 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 296 [2021-04-28 20:33:01,471 INFO L480 AbstractCegarLoop]: Abstraction has has 73 places, 64 transitions, 142 flow [2021-04-28 20:33:01,472 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 295.6666666666667) internal successors, (887), 3 states have internal predecessors, (887), 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) [2021-04-28 20:33:01,472 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 20:33:01,472 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 20:33:01,472 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-04-28 20:33:01,473 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 20:33:01,473 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 20:33:01,473 INFO L82 PathProgramCache]: Analyzing trace with hash -842035221, now seen corresponding path program 1 times [2021-04-28 20:33:01,473 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 20:33:01,474 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1390465794] [2021-04-28 20:33:01,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 20:33:01,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 20:33:01,638 INFO L142 QuantifierPusher]: treesize reduction 3, result has 85.0 percent of original size [2021-04-28 20:33:01,640 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-28 20:33:01,651 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 20:33:01,651 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1390465794] [2021-04-28 20:33:01,652 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 20:33:01,652 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-04-28 20:33:01,652 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1382676719] [2021-04-28 20:33:01,653 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-28 20:33:01,653 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 20:33:01,654 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-28 20:33:01,654 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-28 20:33:01,656 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 209 out of 356 [2021-04-28 20:33:01,657 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 73 places, 64 transitions, 142 flow. Second operand has 3 states, 3 states have (on average 209.66666666666666) internal successors, (629), 3 states have internal predecessors, (629), 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) [2021-04-28 20:33:01,658 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 20:33:01,658 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 209 of 356 [2021-04-28 20:33:01,658 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 20:33:02,238 INFO L129 PetriNetUnfolder]: 1174/3370 cut-off events. [2021-04-28 20:33:02,238 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 20:33:02,249 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5323 conditions, 3370 events. 1174/3370 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 609. Compared 37905 event pairs, 386 based on Foata normal form. 0/1883 useless extension candidates. Maximal degree in co-relation 5314. Up to 1201 conditions per place. [2021-04-28 20:33:02,254 INFO L132 encePairwiseOnDemand]: 335/356 looper letters, 6 selfloop transitions, 6 changer transitions 46/91 dead transitions. [2021-04-28 20:33:02,254 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 75 places, 91 transitions, 312 flow [2021-04-28 20:33:02,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-28 20:33:02,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-28 20:33:02,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 684 transitions. [2021-04-28 20:33:02,258 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6404494382022472 [2021-04-28 20:33:02,258 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 684 transitions. [2021-04-28 20:33:02,258 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 684 transitions. [2021-04-28 20:33:02,259 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 20:33:02,259 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 684 transitions. [2021-04-28 20:33:02,261 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 228.0) internal successors, (684), 3 states have internal predecessors, (684), 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) [2021-04-28 20:33:02,264 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 356.0) internal successors, (1424), 4 states have internal predecessors, (1424), 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) [2021-04-28 20:33:02,265 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 356.0) internal successors, (1424), 4 states have internal predecessors, (1424), 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) [2021-04-28 20:33:02,265 INFO L185 Difference]: Start difference. First operand has 73 places, 64 transitions, 142 flow. Second operand 3 states and 684 transitions. [2021-04-28 20:33:02,266 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 75 places, 91 transitions, 312 flow [2021-04-28 20:33:02,267 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 73 places, 91 transitions, 304 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-04-28 20:33:02,269 INFO L241 Difference]: Finished difference. Result has 75 places, 45 transitions, 132 flow [2021-04-28 20:33:02,269 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=356, PETRI_DIFFERENCE_MINUEND_FLOW=134, PETRI_DIFFERENCE_MINUEND_PLACES=71, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=64, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=58, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=132, PETRI_PLACES=75, PETRI_TRANSITIONS=45} [2021-04-28 20:33:02,270 INFO L343 CegarLoopForPetriNet]: 135 programPoint places, -60 predicate places. [2021-04-28 20:33:02,270 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 20:33:02,270 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 75 places, 45 transitions, 132 flow [2021-04-28 20:33:02,271 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 75 places, 45 transitions, 132 flow [2021-04-28 20:33:02,271 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 51 places, 45 transitions, 132 flow [2021-04-28 20:33:02,302 INFO L129 PetriNetUnfolder]: 48/231 cut-off events. [2021-04-28 20:33:02,302 INFO L130 PetriNetUnfolder]: For 18/18 co-relation queries the response was YES. [2021-04-28 20:33:02,303 INFO L84 FinitePrefix]: Finished finitePrefix Result has 379 conditions, 231 events. 48/231 cut-off events. For 18/18 co-relation queries the response was YES. Maximal size of possible extension queue 40. Compared 1514 event pairs, 24 based on Foata normal form. 0/144 useless extension candidates. Maximal degree in co-relation 370. Up to 81 conditions per place. [2021-04-28 20:33:02,307 INFO L146 LiptonReduction]: Number of co-enabled transitions 1084 [2021-04-28 20:33:02,450 INFO L158 LiptonReduction]: Checked pairs total: 357 [2021-04-28 20:33:02,450 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 20:33:02,450 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 180 [2021-04-28 20:33:02,452 INFO L480 AbstractCegarLoop]: Abstraction has has 51 places, 45 transitions, 132 flow [2021-04-28 20:33:02,453 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 209.66666666666666) internal successors, (629), 3 states have internal predecessors, (629), 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) [2021-04-28 20:33:02,453 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 20:33:02,453 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 20:33:02,454 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-04-28 20:33:02,454 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 20:33:02,454 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 20:33:02,454 INFO L82 PathProgramCache]: Analyzing trace with hash -1159485851, now seen corresponding path program 1 times [2021-04-28 20:33:02,454 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 20:33:02,455 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [408243873] [2021-04-28 20:33:02,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 20:33:02,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 20:33:02,506 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:33:02,507 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 20:33:02,510 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 20:33:02,510 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [408243873] [2021-04-28 20:33:02,510 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 20:33:02,511 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-04-28 20:33:02,511 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [798400786] [2021-04-28 20:33:02,511 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-28 20:33:02,511 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 20:33:02,512 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-28 20:33:02,512 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-28 20:33:02,514 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 245 out of 356 [2021-04-28 20:33:02,516 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 51 places, 45 transitions, 132 flow. Second operand has 3 states, 3 states have (on average 245.66666666666666) internal successors, (737), 3 states have internal predecessors, (737), 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) [2021-04-28 20:33:02,516 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 20:33:02,516 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 245 of 356 [2021-04-28 20:33:02,516 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 20:33:02,546 INFO L129 PetriNetUnfolder]: 39/187 cut-off events. [2021-04-28 20:33:02,547 INFO L130 PetriNetUnfolder]: For 43/46 co-relation queries the response was YES. [2021-04-28 20:33:02,548 INFO L84 FinitePrefix]: Finished finitePrefix Result has 337 conditions, 187 events. 39/187 cut-off events. For 43/46 co-relation queries the response was YES. Maximal size of possible extension queue 33. Compared 1042 event pairs, 14 based on Foata normal form. 1/121 useless extension candidates. Maximal degree in co-relation 326. Up to 68 conditions per place. [2021-04-28 20:33:02,549 INFO L132 encePairwiseOnDemand]: 353/356 looper letters, 1 selfloop transitions, 3 changer transitions 0/45 dead transitions. [2021-04-28 20:33:02,549 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 53 places, 45 transitions, 140 flow [2021-04-28 20:33:02,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-28 20:33:02,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-28 20:33:02,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 739 transitions. [2021-04-28 20:33:02,553 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6919475655430711 [2021-04-28 20:33:02,553 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 739 transitions. [2021-04-28 20:33:02,553 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 739 transitions. [2021-04-28 20:33:02,554 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 20:33:02,554 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 739 transitions. [2021-04-28 20:33:02,556 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 246.33333333333334) internal successors, (739), 3 states have internal predecessors, (739), 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) [2021-04-28 20:33:02,559 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 356.0) internal successors, (1424), 4 states have internal predecessors, (1424), 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) [2021-04-28 20:33:02,560 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 356.0) internal successors, (1424), 4 states have internal predecessors, (1424), 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) [2021-04-28 20:33:02,561 INFO L185 Difference]: Start difference. First operand has 51 places, 45 transitions, 132 flow. Second operand 3 states and 739 transitions. [2021-04-28 20:33:02,561 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 53 places, 45 transitions, 140 flow [2021-04-28 20:33:02,562 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 51 places, 45 transitions, 128 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-04-28 20:33:02,564 INFO L241 Difference]: Finished difference. Result has 52 places, 45 transitions, 131 flow [2021-04-28 20:33:02,564 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=356, PETRI_DIFFERENCE_MINUEND_FLOW=120, PETRI_DIFFERENCE_MINUEND_PLACES=49, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=45, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=42, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=131, PETRI_PLACES=52, PETRI_TRANSITIONS=45} [2021-04-28 20:33:02,564 INFO L343 CegarLoopForPetriNet]: 135 programPoint places, -83 predicate places. [2021-04-28 20:33:02,564 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 20:33:02,564 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 52 places, 45 transitions, 131 flow [2021-04-28 20:33:02,565 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 52 places, 45 transitions, 131 flow [2021-04-28 20:33:02,565 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 52 places, 45 transitions, 131 flow [2021-04-28 20:33:02,591 INFO L129 PetriNetUnfolder]: 39/199 cut-off events. [2021-04-28 20:33:02,591 INFO L130 PetriNetUnfolder]: For 19/23 co-relation queries the response was YES. [2021-04-28 20:33:02,592 INFO L84 FinitePrefix]: Finished finitePrefix Result has 321 conditions, 199 events. 39/199 cut-off events. For 19/23 co-relation queries the response was YES. Maximal size of possible extension queue 33. Compared 1226 event pairs, 19 based on Foata normal form. 0/128 useless extension candidates. Maximal degree in co-relation 311. Up to 68 conditions per place. [2021-04-28 20:33:02,596 INFO L146 LiptonReduction]: Number of co-enabled transitions 1076 [2021-04-28 20:33:02,678 INFO L158 LiptonReduction]: Checked pairs total: 355 [2021-04-28 20:33:02,678 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 20:33:02,678 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 114 [2021-04-28 20:33:02,680 INFO L480 AbstractCegarLoop]: Abstraction has has 52 places, 45 transitions, 131 flow [2021-04-28 20:33:02,681 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 245.66666666666666) internal successors, (737), 3 states have internal predecessors, (737), 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) [2021-04-28 20:33:02,681 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 20:33:02,681 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 20:33:02,681 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-04-28 20:33:02,681 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 20:33:02,682 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 20:33:02,682 INFO L82 PathProgramCache]: Analyzing trace with hash -1742079159, now seen corresponding path program 1 times [2021-04-28 20:33:02,682 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 20:33:02,682 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [314359073] [2021-04-28 20:33:02,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 20:33:02,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 20:33:02,727 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:33:02,728 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 20:33:02,732 INFO L142 QuantifierPusher]: treesize reduction 3, result has 85.0 percent of original size [2021-04-28 20:33:02,733 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-28 20:33:02,743 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 20:33:02,744 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [314359073] [2021-04-28 20:33:02,744 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 20:33:02,744 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-04-28 20:33:02,744 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [507268192] [2021-04-28 20:33:02,745 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-28 20:33:02,745 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 20:33:02,745 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-28 20:33:02,745 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-04-28 20:33:02,748 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 209 out of 356 [2021-04-28 20:33:02,750 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 52 places, 45 transitions, 131 flow. Second operand has 4 states, 4 states have (on average 209.75) internal successors, (839), 4 states have internal predecessors, (839), 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) [2021-04-28 20:33:02,750 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 20:33:02,750 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 209 of 356 [2021-04-28 20:33:02,750 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 20:33:02,806 INFO L129 PetriNetUnfolder]: 33/171 cut-off events. [2021-04-28 20:33:02,806 INFO L130 PetriNetUnfolder]: For 36/66 co-relation queries the response was YES. [2021-04-28 20:33:02,807 INFO L84 FinitePrefix]: Finished finitePrefix Result has 355 conditions, 171 events. 33/171 cut-off events. For 36/66 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 928 event pairs, 13 based on Foata normal form. 5/114 useless extension candidates. Maximal degree in co-relation 343. Up to 60 conditions per place. [2021-04-28 20:33:02,808 INFO L132 encePairwiseOnDemand]: 349/356 looper letters, 7 selfloop transitions, 10 changer transitions 0/50 dead transitions. [2021-04-28 20:33:02,808 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 55 places, 50 transitions, 188 flow [2021-04-28 20:33:02,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-04-28 20:33:02,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-04-28 20:33:02,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 852 transitions. [2021-04-28 20:33:02,812 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.598314606741573 [2021-04-28 20:33:02,812 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 852 transitions. [2021-04-28 20:33:02,812 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 852 transitions. [2021-04-28 20:33:02,813 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 20:33:02,813 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 852 transitions. [2021-04-28 20:33:02,816 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 213.0) internal successors, (852), 4 states have internal predecessors, (852), 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) [2021-04-28 20:33:02,820 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 356.0) internal successors, (1780), 5 states have internal predecessors, (1780), 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) [2021-04-28 20:33:02,821 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 356.0) internal successors, (1780), 5 states have internal predecessors, (1780), 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) [2021-04-28 20:33:02,822 INFO L185 Difference]: Start difference. First operand has 52 places, 45 transitions, 131 flow. Second operand 4 states and 852 transitions. [2021-04-28 20:33:02,822 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 55 places, 50 transitions, 188 flow [2021-04-28 20:33:02,823 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 53 places, 50 transitions, 180 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-04-28 20:33:02,824 INFO L241 Difference]: Finished difference. Result has 55 places, 49 transitions, 180 flow [2021-04-28 20:33:02,825 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=356, PETRI_DIFFERENCE_MINUEND_FLOW=125, PETRI_DIFFERENCE_MINUEND_PLACES=50, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=45, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=37, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=180, PETRI_PLACES=55, PETRI_TRANSITIONS=49} [2021-04-28 20:33:02,825 INFO L343 CegarLoopForPetriNet]: 135 programPoint places, -80 predicate places. [2021-04-28 20:33:02,825 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 20:33:02,825 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 55 places, 49 transitions, 180 flow [2021-04-28 20:33:02,826 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 55 places, 49 transitions, 180 flow [2021-04-28 20:33:02,826 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 55 places, 49 transitions, 180 flow [2021-04-28 20:33:02,849 INFO L129 PetriNetUnfolder]: 33/166 cut-off events. [2021-04-28 20:33:02,849 INFO L130 PetriNetUnfolder]: For 66/77 co-relation queries the response was YES. [2021-04-28 20:33:02,850 INFO L84 FinitePrefix]: Finished finitePrefix Result has 339 conditions, 166 events. 33/166 cut-off events. For 66/77 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 932 event pairs, 9 based on Foata normal form. 0/106 useless extension candidates. Maximal degree in co-relation 327. Up to 60 conditions per place. [2021-04-28 20:33:02,853 INFO L146 LiptonReduction]: Number of co-enabled transitions 1194 [2021-04-28 20:33:02,856 INFO L158 LiptonReduction]: Checked pairs total: 441 [2021-04-28 20:33:02,856 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 20:33:02,857 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 32 [2021-04-28 20:33:02,858 INFO L480 AbstractCegarLoop]: Abstraction has has 55 places, 49 transitions, 180 flow [2021-04-28 20:33:02,859 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 209.75) internal successors, (839), 4 states have internal predecessors, (839), 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) [2021-04-28 20:33:02,859 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 20:33:02,859 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 20:33:02,860 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-04-28 20:33:02,860 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 20:33:02,860 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 20:33:02,860 INFO L82 PathProgramCache]: Analyzing trace with hash 1830205823, now seen corresponding path program 1 times [2021-04-28 20:33:02,860 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 20:33:02,861 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [487336244] [2021-04-28 20:33:02,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 20:33:02,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 20:33:02,939 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:33:02,941 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 20:33:02,947 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:33:02,949 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 20:33:02,957 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:33:02,957 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 20:33:02,958 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 20:33:02,958 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [487336244] [2021-04-28 20:33:02,958 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 20:33:02,958 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-28 20:33:02,959 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [617062288] [2021-04-28 20:33:02,960 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-28 20:33:02,960 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 20:33:02,960 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-28 20:33:02,960 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-04-28 20:33:02,963 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 243 out of 356 [2021-04-28 20:33:02,965 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 55 places, 49 transitions, 180 flow. Second operand has 4 states, 4 states have (on average 243.75) internal successors, (975), 4 states have internal predecessors, (975), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 20:33:02,965 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 20:33:02,965 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 243 of 356 [2021-04-28 20:33:02,965 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 20:33:04,121 INFO L129 PetriNetUnfolder]: 5241/8939 cut-off events. [2021-04-28 20:33:04,121 INFO L130 PetriNetUnfolder]: For 496/526 co-relation queries the response was YES. [2021-04-28 20:33:04,154 INFO L84 FinitePrefix]: Finished finitePrefix Result has 18223 conditions, 8939 events. 5241/8939 cut-off events. For 496/526 co-relation queries the response was YES. Maximal size of possible extension queue 1866. Compared 81107 event pairs, 2245 based on Foata normal form. 232/2728 useless extension candidates. Maximal degree in co-relation 18209. Up to 5692 conditions per place. [2021-04-28 20:33:04,192 INFO L132 encePairwiseOnDemand]: 339/356 looper letters, 27 selfloop transitions, 26 changer transitions 0/83 dead transitions. [2021-04-28 20:33:04,192 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 59 places, 83 transitions, 354 flow [2021-04-28 20:33:04,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-28 20:33:04,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-04-28 20:33:04,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1269 transitions. [2021-04-28 20:33:04,197 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7129213483146067 [2021-04-28 20:33:04,197 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1269 transitions. [2021-04-28 20:33:04,197 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1269 transitions. [2021-04-28 20:33:04,199 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 20:33:04,199 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1269 transitions. [2021-04-28 20:33:04,203 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 253.8) internal successors, (1269), 5 states have internal predecessors, (1269), 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) [2021-04-28 20:33:04,208 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 356.0) internal successors, (2136), 6 states have internal predecessors, (2136), 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) [2021-04-28 20:33:04,210 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 356.0) internal successors, (2136), 6 states have internal predecessors, (2136), 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) [2021-04-28 20:33:04,210 INFO L185 Difference]: Start difference. First operand has 55 places, 49 transitions, 180 flow. Second operand 5 states and 1269 transitions. [2021-04-28 20:33:04,210 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 59 places, 83 transitions, 354 flow [2021-04-28 20:33:04,214 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 59 places, 83 transitions, 354 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-04-28 20:33:04,216 INFO L241 Difference]: Finished difference. Result has 62 places, 73 transitions, 373 flow [2021-04-28 20:33:04,217 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=356, PETRI_DIFFERENCE_MINUEND_FLOW=180, PETRI_DIFFERENCE_MINUEND_PLACES=55, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=49, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=33, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=373, PETRI_PLACES=62, PETRI_TRANSITIONS=73} [2021-04-28 20:33:04,217 INFO L343 CegarLoopForPetriNet]: 135 programPoint places, -73 predicate places. [2021-04-28 20:33:04,217 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 20:33:04,217 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 62 places, 73 transitions, 373 flow [2021-04-28 20:33:04,218 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 62 places, 73 transitions, 373 flow [2021-04-28 20:33:04,218 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 62 places, 73 transitions, 373 flow [2021-04-28 20:33:05,018 INFO L129 PetriNetUnfolder]: 4291/7532 cut-off events. [2021-04-28 20:33:05,018 INFO L130 PetriNetUnfolder]: For 1916/3815 co-relation queries the response was YES. [2021-04-28 20:33:05,061 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21283 conditions, 7532 events. 4291/7532 cut-off events. For 1916/3815 co-relation queries the response was YES. Maximal size of possible extension queue 1380. Compared 68040 event pairs, 1981 based on Foata normal form. 10/2327 useless extension candidates. Maximal degree in co-relation 21266. Up to 6712 conditions per place. [2021-04-28 20:33:05,152 INFO L146 LiptonReduction]: Number of co-enabled transitions 1728 [2021-04-28 20:33:06,067 INFO L158 LiptonReduction]: Checked pairs total: 702 [2021-04-28 20:33:06,068 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 20:33:06,068 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1851 [2021-04-28 20:33:06,075 INFO L480 AbstractCegarLoop]: Abstraction has has 62 places, 73 transitions, 373 flow [2021-04-28 20:33:06,076 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 243.75) internal successors, (975), 4 states have internal predecessors, (975), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 20:33:06,076 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 20:33:06,076 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 20:33:06,076 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-04-28 20:33:06,076 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 20:33:06,086 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 20:33:06,087 INFO L82 PathProgramCache]: Analyzing trace with hash 1529474933, now seen corresponding path program 1 times [2021-04-28 20:33:06,087 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 20:33:06,087 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [31264987] [2021-04-28 20:33:06,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 20:33:06,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 20:33:06,166 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:33:06,166 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 20:33:06,167 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:33:06,168 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 20:33:06,171 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 20:33:06,172 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [31264987] [2021-04-28 20:33:06,172 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 20:33:06,172 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-04-28 20:33:06,172 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1574543109] [2021-04-28 20:33:06,172 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-28 20:33:06,173 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 20:33:06,173 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-28 20:33:06,173 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-28 20:33:06,175 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 248 out of 356 [2021-04-28 20:33:06,177 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 62 places, 73 transitions, 373 flow. Second operand has 3 states, 3 states have (on average 249.0) internal successors, (747), 3 states have internal predecessors, (747), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 20:33:06,178 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 20:33:06,178 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 248 of 356 [2021-04-28 20:33:06,178 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 20:33:07,423 INFO L129 PetriNetUnfolder]: 6312/10929 cut-off events. [2021-04-28 20:33:07,423 INFO L130 PetriNetUnfolder]: For 3977/12161 co-relation queries the response was YES. [2021-04-28 20:33:07,484 INFO L84 FinitePrefix]: Finished finitePrefix Result has 31016 conditions, 10929 events. 6312/10929 cut-off events. For 3977/12161 co-relation queries the response was YES. Maximal size of possible extension queue 2229. Compared 102781 event pairs, 2982 based on Foata normal form. 128/3302 useless extension candidates. Maximal degree in co-relation 30997. Up to 9868 conditions per place. [2021-04-28 20:33:07,531 INFO L132 encePairwiseOnDemand]: 353/356 looper letters, 4 selfloop transitions, 5 changer transitions 0/73 dead transitions. [2021-04-28 20:33:07,531 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 64 places, 73 transitions, 391 flow [2021-04-28 20:33:07,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-28 20:33:07,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-28 20:33:07,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 750 transitions. [2021-04-28 20:33:07,535 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.702247191011236 [2021-04-28 20:33:07,535 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 750 transitions. [2021-04-28 20:33:07,535 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 750 transitions. [2021-04-28 20:33:07,536 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 20:33:07,536 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 750 transitions. [2021-04-28 20:33:07,538 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 250.0) internal successors, (750), 3 states have internal predecessors, (750), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 20:33:07,541 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 356.0) internal successors, (1424), 4 states have internal predecessors, (1424), 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) [2021-04-28 20:33:07,541 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 356.0) internal successors, (1424), 4 states have internal predecessors, (1424), 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) [2021-04-28 20:33:07,541 INFO L185 Difference]: Start difference. First operand has 62 places, 73 transitions, 373 flow. Second operand 3 states and 750 transitions. [2021-04-28 20:33:07,541 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 64 places, 73 transitions, 391 flow [2021-04-28 20:33:07,568 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 64 places, 73 transitions, 391 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-04-28 20:33:07,570 INFO L241 Difference]: Finished difference. Result has 65 places, 73 transitions, 390 flow [2021-04-28 20:33:07,571 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=356, PETRI_DIFFERENCE_MINUEND_FLOW=373, PETRI_DIFFERENCE_MINUEND_PLACES=62, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=73, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=68, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=390, PETRI_PLACES=65, PETRI_TRANSITIONS=73} [2021-04-28 20:33:07,571 INFO L343 CegarLoopForPetriNet]: 135 programPoint places, -70 predicate places. [2021-04-28 20:33:07,571 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 20:33:07,571 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 65 places, 73 transitions, 390 flow [2021-04-28 20:33:07,572 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 65 places, 73 transitions, 390 flow [2021-04-28 20:33:07,572 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 65 places, 73 transitions, 390 flow [2021-04-28 20:33:08,525 INFO L129 PetriNetUnfolder]: 6185/10637 cut-off events. [2021-04-28 20:33:08,526 INFO L130 PetriNetUnfolder]: For 2909/30032 co-relation queries the response was YES. [2021-04-28 20:33:08,587 INFO L84 FinitePrefix]: Finished finitePrefix Result has 30129 conditions, 10637 events. 6185/10637 cut-off events. For 2909/30032 co-relation queries the response was YES. Maximal size of possible extension queue 2654. Compared 100145 event pairs, 2879 based on Foata normal form. 12/2967 useless extension candidates. Maximal degree in co-relation 30110. Up to 9655 conditions per place. [2021-04-28 20:33:08,698 INFO L146 LiptonReduction]: Number of co-enabled transitions 1726 [2021-04-28 20:33:09,214 INFO L158 LiptonReduction]: Checked pairs total: 702 [2021-04-28 20:33:09,214 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 20:33:09,214 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1643 [2021-04-28 20:33:09,216 INFO L480 AbstractCegarLoop]: Abstraction has has 65 places, 73 transitions, 390 flow [2021-04-28 20:33:09,216 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 249.0) internal successors, (747), 3 states have internal predecessors, (747), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 20:33:09,216 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 20:33:09,216 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 20:33:09,217 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-04-28 20:33:09,217 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 20:33:09,217 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 20:33:09,217 INFO L82 PathProgramCache]: Analyzing trace with hash 2032873731, now seen corresponding path program 1 times [2021-04-28 20:33:09,217 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 20:33:09,218 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1598265343] [2021-04-28 20:33:09,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 20:33:09,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 20:33:09,283 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:33:09,283 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 20:33:09,287 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:33:09,287 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 20:33:09,291 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:33:09,292 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 20:33:09,299 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:33:09,303 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 20:33:09,304 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 20:33:09,304 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1598265343] [2021-04-28 20:33:09,304 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 20:33:09,304 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-04-28 20:33:09,304 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1477242360] [2021-04-28 20:33:09,305 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-04-28 20:33:09,305 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 20:33:09,307 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-04-28 20:33:09,307 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-04-28 20:33:09,310 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 243 out of 356 [2021-04-28 20:33:09,311 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 65 places, 73 transitions, 390 flow. Second operand has 5 states, 5 states have (on average 243.8) internal successors, (1219), 5 states have internal predecessors, (1219), 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) [2021-04-28 20:33:09,312 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 20:33:09,312 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 243 of 356 [2021-04-28 20:33:09,312 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 20:33:11,040 INFO L129 PetriNetUnfolder]: 6600/12543 cut-off events. [2021-04-28 20:33:11,041 INFO L130 PetriNetUnfolder]: For 5880/41058 co-relation queries the response was YES. [2021-04-28 20:33:11,103 INFO L84 FinitePrefix]: Finished finitePrefix Result has 47380 conditions, 12543 events. 6600/12543 cut-off events. For 5880/41058 co-relation queries the response was YES. Maximal size of possible extension queue 2925. Compared 128869 event pairs, 618 based on Foata normal form. 443/4453 useless extension candidates. Maximal degree in co-relation 47359. Up to 11074 conditions per place. [2021-04-28 20:33:11,143 INFO L132 encePairwiseOnDemand]: 339/356 looper letters, 19 selfloop transitions, 50 changer transitions 9/108 dead transitions. [2021-04-28 20:33:11,144 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 71 places, 108 transitions, 737 flow [2021-04-28 20:33:11,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-04-28 20:33:11,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-04-28 20:33:11,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1779 transitions. [2021-04-28 20:33:11,151 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.713884430176565 [2021-04-28 20:33:11,151 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1779 transitions. [2021-04-28 20:33:11,151 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1779 transitions. [2021-04-28 20:33:11,153 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 20:33:11,153 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1779 transitions. [2021-04-28 20:33:11,158 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 254.14285714285714) internal successors, (1779), 7 states have internal predecessors, (1779), 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) [2021-04-28 20:33:11,164 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 356.0) internal successors, (2848), 8 states have internal predecessors, (2848), 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) [2021-04-28 20:33:11,166 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 356.0) internal successors, (2848), 8 states have internal predecessors, (2848), 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) [2021-04-28 20:33:11,166 INFO L185 Difference]: Start difference. First operand has 65 places, 73 transitions, 390 flow. Second operand 7 states and 1779 transitions. [2021-04-28 20:33:11,166 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 71 places, 108 transitions, 737 flow [2021-04-28 20:33:11,208 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 70 places, 108 transitions, 730 flow, removed 1 selfloop flow, removed 1 redundant places. [2021-04-28 20:33:11,211 INFO L241 Difference]: Finished difference. Result has 73 places, 97 transitions, 708 flow [2021-04-28 20:33:11,211 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=356, PETRI_DIFFERENCE_MINUEND_FLOW=383, PETRI_DIFFERENCE_MINUEND_PLACES=64, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=73, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=35, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=33, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=708, PETRI_PLACES=73, PETRI_TRANSITIONS=97} [2021-04-28 20:33:11,212 INFO L343 CegarLoopForPetriNet]: 135 programPoint places, -62 predicate places. [2021-04-28 20:33:11,212 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 20:33:11,212 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 73 places, 97 transitions, 708 flow [2021-04-28 20:33:11,212 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 73 places, 97 transitions, 708 flow [2021-04-28 20:33:11,213 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 73 places, 97 transitions, 708 flow [2021-04-28 20:33:12,081 INFO L129 PetriNetUnfolder]: 3980/8594 cut-off events. [2021-04-28 20:33:12,081 INFO L130 PetriNetUnfolder]: For 40635/100717 co-relation queries the response was YES. [2021-04-28 20:33:12,140 INFO L84 FinitePrefix]: Finished finitePrefix Result has 36584 conditions, 8594 events. 3980/8594 cut-off events. For 40635/100717 co-relation queries the response was YES. Maximal size of possible extension queue 2211. Compared 97250 event pairs, 603 based on Foata normal form. 1/2505 useless extension candidates. Maximal degree in co-relation 36561. Up to 7477 conditions per place. [2021-04-28 20:33:12,239 INFO L146 LiptonReduction]: Number of co-enabled transitions 2162 [2021-04-28 20:33:12,800 INFO L158 LiptonReduction]: Checked pairs total: 1230 [2021-04-28 20:33:12,801 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 20:33:12,801 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1589 [2021-04-28 20:33:12,802 INFO L480 AbstractCegarLoop]: Abstraction has has 73 places, 97 transitions, 708 flow [2021-04-28 20:33:12,803 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 243.8) internal successors, (1219), 5 states have internal predecessors, (1219), 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) [2021-04-28 20:33:12,803 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 20:33:12,803 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 20:33:12,803 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-04-28 20:33:12,803 INFO L428 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 20:33:12,804 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 20:33:12,804 INFO L82 PathProgramCache]: Analyzing trace with hash 1311918943, now seen corresponding path program 1 times [2021-04-28 20:33:12,804 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 20:33:12,804 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1470636570] [2021-04-28 20:33:12,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 20:33:12,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 20:33:12,871 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:33:12,871 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 20:33:12,875 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:33:12,875 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 20:33:12,879 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:33:12,880 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 20:33:12,885 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:33:12,886 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 20:33:12,894 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:33:12,895 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 20:33:12,895 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 20:33:12,896 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1470636570] [2021-04-28 20:33:12,896 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 20:33:12,896 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-04-28 20:33:12,896 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [866910656] [2021-04-28 20:33:12,896 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-04-28 20:33:12,897 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 20:33:12,897 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-04-28 20:33:12,897 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-04-28 20:33:12,900 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 243 out of 356 [2021-04-28 20:33:12,902 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 73 places, 97 transitions, 708 flow. Second operand has 6 states, 6 states have (on average 243.83333333333334) internal successors, (1463), 6 states have internal predecessors, (1463), 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) [2021-04-28 20:33:12,902 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 20:33:12,902 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 243 of 356 [2021-04-28 20:33:12,902 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 20:33:14,272 INFO L129 PetriNetUnfolder]: 3801/8916 cut-off events. [2021-04-28 20:33:14,272 INFO L130 PetriNetUnfolder]: For 14394/82830 co-relation queries the response was YES. [2021-04-28 20:33:14,316 INFO L84 FinitePrefix]: Finished finitePrefix Result has 46252 conditions, 8916 events. 3801/8916 cut-off events. For 14394/82830 co-relation queries the response was YES. Maximal size of possible extension queue 2298. Compared 104165 event pairs, 6 based on Foata normal form. 410/3106 useless extension candidates. Maximal degree in co-relation 46227. Up to 7699 conditions per place. [2021-04-28 20:33:14,335 INFO L132 encePairwiseOnDemand]: 339/356 looper letters, 5 selfloop transitions, 64 changer transitions 19/115 dead transitions. [2021-04-28 20:33:14,336 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 81 places, 115 transitions, 994 flow [2021-04-28 20:33:14,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-04-28 20:33:14,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-04-28 20:33:14,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 2271 transitions. [2021-04-28 20:33:14,344 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7088014981273408 [2021-04-28 20:33:14,344 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 2271 transitions. [2021-04-28 20:33:14,344 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 2271 transitions. [2021-04-28 20:33:14,346 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 20:33:14,346 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 2271 transitions. [2021-04-28 20:33:14,352 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 252.33333333333334) internal successors, (2271), 9 states have internal predecessors, (2271), 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) [2021-04-28 20:33:14,358 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 356.0) internal successors, (3560), 10 states have internal predecessors, (3560), 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) [2021-04-28 20:33:14,360 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 356.0) internal successors, (3560), 10 states have internal predecessors, (3560), 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) [2021-04-28 20:33:14,360 INFO L185 Difference]: Start difference. First operand has 73 places, 97 transitions, 708 flow. Second operand 9 states and 2271 transitions. [2021-04-28 20:33:14,360 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 81 places, 115 transitions, 994 flow [2021-04-28 20:33:15,340 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 76 places, 115 transitions, 855 flow, removed 43 selfloop flow, removed 5 redundant places. [2021-04-28 20:33:15,342 INFO L241 Difference]: Finished difference. Result has 79 places, 94 transitions, 721 flow [2021-04-28 20:33:15,342 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=356, PETRI_DIFFERENCE_MINUEND_FLOW=570, PETRI_DIFFERENCE_MINUEND_PLACES=68, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=97, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=63, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=33, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=721, PETRI_PLACES=79, PETRI_TRANSITIONS=94} [2021-04-28 20:33:15,342 INFO L343 CegarLoopForPetriNet]: 135 programPoint places, -56 predicate places. [2021-04-28 20:33:15,342 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 20:33:15,343 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 79 places, 94 transitions, 721 flow [2021-04-28 20:33:15,343 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 79 places, 94 transitions, 721 flow [2021-04-28 20:33:15,344 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 77 places, 94 transitions, 721 flow [2021-04-28 20:33:15,519 INFO L129 PetriNetUnfolder]: 1035/2844 cut-off events. [2021-04-28 20:33:15,519 INFO L130 PetriNetUnfolder]: For 4095/12796 co-relation queries the response was YES. [2021-04-28 20:33:15,531 INFO L84 FinitePrefix]: Finished finitePrefix Result has 12208 conditions, 2844 events. 1035/2844 cut-off events. For 4095/12796 co-relation queries the response was YES. Maximal size of possible extension queue 981. Compared 32354 event pairs, 4 based on Foata normal form. 1/761 useless extension candidates. Maximal degree in co-relation 12184. Up to 2016 conditions per place. [2021-04-28 20:33:15,559 INFO L146 LiptonReduction]: Number of co-enabled transitions 1728 [2021-04-28 20:33:15,823 INFO L158 LiptonReduction]: Checked pairs total: 1066 [2021-04-28 20:33:15,823 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 20:33:15,823 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 481 [2021-04-28 20:33:15,824 INFO L480 AbstractCegarLoop]: Abstraction has has 77 places, 94 transitions, 721 flow [2021-04-28 20:33:15,825 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 243.83333333333334) internal successors, (1463), 6 states have internal predecessors, (1463), 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) [2021-04-28 20:33:15,825 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 20:33:15,825 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 20:33:15,826 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-04-28 20:33:15,826 INFO L428 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 20:33:15,826 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 20:33:15,826 INFO L82 PathProgramCache]: Analyzing trace with hash -247474584, now seen corresponding path program 1 times [2021-04-28 20:33:15,826 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 20:33:15,827 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [43161271] [2021-04-28 20:33:15,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 20:33:15,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 20:33:15,878 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:33:15,879 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 20:33:15,880 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:33:15,880 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 20:33:15,883 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:33:15,884 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 20:33:15,888 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 20:33:15,888 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [43161271] [2021-04-28 20:33:15,888 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 20:33:15,888 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-28 20:33:15,888 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2136454518] [2021-04-28 20:33:15,889 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-28 20:33:15,889 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 20:33:15,889 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-28 20:33:15,889 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-04-28 20:33:15,892 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 233 out of 356 [2021-04-28 20:33:15,893 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 77 places, 94 transitions, 721 flow. Second operand has 4 states, 4 states have (on average 234.0) internal successors, (936), 4 states have internal predecessors, (936), 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) [2021-04-28 20:33:15,893 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 20:33:15,893 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 233 of 356 [2021-04-28 20:33:15,893 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 20:33:16,250 INFO L129 PetriNetUnfolder]: 1568/4184 cut-off events. [2021-04-28 20:33:16,250 INFO L130 PetriNetUnfolder]: For 6076/15671 co-relation queries the response was YES. [2021-04-28 20:33:16,261 INFO L84 FinitePrefix]: Finished finitePrefix Result has 18121 conditions, 4184 events. 1568/4184 cut-off events. For 6076/15671 co-relation queries the response was YES. Maximal size of possible extension queue 1509. Compared 48280 event pairs, 6 based on Foata normal form. 28/1251 useless extension candidates. Maximal degree in co-relation 18095. Up to 3024 conditions per place. [2021-04-28 20:33:16,267 INFO L132 encePairwiseOnDemand]: 353/356 looper letters, 3 selfloop transitions, 1 changer transitions 47/95 dead transitions. [2021-04-28 20:33:16,267 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 80 places, 95 transitions, 737 flow [2021-04-28 20:33:16,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-04-28 20:33:16,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-04-28 20:33:16,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 938 transitions. [2021-04-28 20:33:16,271 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6587078651685393 [2021-04-28 20:33:16,271 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 938 transitions. [2021-04-28 20:33:16,271 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 938 transitions. [2021-04-28 20:33:16,272 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 20:33:16,272 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 938 transitions. [2021-04-28 20:33:16,274 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 234.5) internal successors, (938), 4 states have internal predecessors, (938), 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) [2021-04-28 20:33:16,278 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 356.0) internal successors, (1780), 5 states have internal predecessors, (1780), 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) [2021-04-28 20:33:16,278 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 356.0) internal successors, (1780), 5 states have internal predecessors, (1780), 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) [2021-04-28 20:33:16,279 INFO L185 Difference]: Start difference. First operand has 77 places, 94 transitions, 721 flow. Second operand 4 states and 938 transitions. [2021-04-28 20:33:16,279 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 80 places, 95 transitions, 737 flow [2021-04-28 20:33:17,200 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 70 places, 95 transitions, 536 flow, removed 41 selfloop flow, removed 10 redundant places. [2021-04-28 20:33:17,202 INFO L241 Difference]: Finished difference. Result has 72 places, 48 transitions, 237 flow [2021-04-28 20:33:17,202 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=356, PETRI_DIFFERENCE_MINUEND_FLOW=520, PETRI_DIFFERENCE_MINUEND_PLACES=67, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=94, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=93, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=237, PETRI_PLACES=72, PETRI_TRANSITIONS=48} [2021-04-28 20:33:17,202 INFO L343 CegarLoopForPetriNet]: 135 programPoint places, -63 predicate places. [2021-04-28 20:33:17,202 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 20:33:17,202 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 72 places, 48 transitions, 237 flow [2021-04-28 20:33:17,203 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 72 places, 48 transitions, 237 flow [2021-04-28 20:33:17,203 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 57 places, 48 transitions, 237 flow [2021-04-28 20:33:17,228 INFO L129 PetriNetUnfolder]: 90/271 cut-off events. [2021-04-28 20:33:17,228 INFO L130 PetriNetUnfolder]: For 279/279 co-relation queries the response was YES. [2021-04-28 20:33:17,230 INFO L84 FinitePrefix]: Finished finitePrefix Result has 782 conditions, 271 events. 90/271 cut-off events. For 279/279 co-relation queries the response was YES. Maximal size of possible extension queue 45. Compared 1557 event pairs, 0 based on Foata normal form. 0/150 useless extension candidates. Maximal degree in co-relation 762. Up to 109 conditions per place. [2021-04-28 20:33:17,232 INFO L146 LiptonReduction]: Number of co-enabled transitions 360 [2021-04-28 20:33:17,429 INFO L158 LiptonReduction]: Checked pairs total: 379 [2021-04-28 20:33:17,429 INFO L160 LiptonReduction]: Total number of compositions: 2 [2021-04-28 20:33:17,429 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 227 [2021-04-28 20:33:17,430 INFO L480 AbstractCegarLoop]: Abstraction has has 57 places, 48 transitions, 240 flow [2021-04-28 20:33:17,431 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 234.0) internal successors, (936), 4 states have internal predecessors, (936), 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) [2021-04-28 20:33:17,431 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 20:33:17,431 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 20:33:17,431 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-04-28 20:33:17,431 INFO L428 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 20:33:17,432 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 20:33:17,432 INFO L82 PathProgramCache]: Analyzing trace with hash -459084374, now seen corresponding path program 1 times [2021-04-28 20:33:17,432 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 20:33:17,432 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1653721779] [2021-04-28 20:33:17,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 20:33:17,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-04-28 20:33:17,473 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-04-28 20:33:17,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-04-28 20:33:17,533 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-04-28 20:33:17,569 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-04-28 20:33:17,569 INFO L634 BasicCegarLoop]: Counterexample might be feasible [2021-04-28 20:33:17,569 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-04-28 20:33:17,702 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.04 08:33:17 BasicIcfg [2021-04-28 20:33:17,703 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-04-28 20:33:17,704 INFO L168 Benchmark]: Toolchain (without parser) took 61966.39 ms. Allocated memory was 302.0 MB in the beginning and 981.5 MB in the end (delta: 679.5 MB). Free memory was 276.8 MB in the beginning and 588.3 MB in the end (delta: -311.5 MB). Peak memory consumption was 370.7 MB. Max. memory is 16.0 GB. [2021-04-28 20:33:17,704 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 302.0 MB. Free memory is still 272.2 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-04-28 20:33:17,704 INFO L168 Benchmark]: CACSL2BoogieTranslator took 693.53 ms. Allocated memory is still 302.0 MB. Free memory was 273.7 MB in the beginning and 278.7 MB in the end (delta: -5.0 MB). Peak memory consumption was 33.6 MB. Max. memory is 16.0 GB. [2021-04-28 20:33:17,704 INFO L168 Benchmark]: Boogie Procedure Inliner took 88.37 ms. Allocated memory is still 302.0 MB. Free memory was 278.7 MB in the beginning and 276.6 MB in the end (delta: 2.1 MB). There was no memory consumed. Max. memory is 16.0 GB. [2021-04-28 20:33:17,705 INFO L168 Benchmark]: Boogie Preprocessor took 40.21 ms. Allocated memory is still 302.0 MB. Free memory was 276.6 MB in the beginning and 274.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-04-28 20:33:17,709 INFO L168 Benchmark]: RCFGBuilder took 2549.82 ms. Allocated memory was 302.0 MB in the beginning and 367.0 MB in the end (delta: 65.0 MB). Free memory was 274.5 MB in the beginning and 328.1 MB in the end (delta: -53.7 MB). Peak memory consumption was 171.8 MB. Max. memory is 16.0 GB. [2021-04-28 20:33:17,710 INFO L168 Benchmark]: TraceAbstraction took 58543.12 ms. Allocated memory was 367.0 MB in the beginning and 981.5 MB in the end (delta: 614.5 MB). Free memory was 328.1 MB in the beginning and 588.3 MB in the end (delta: -260.2 MB). Peak memory consumption was 354.3 MB. Max. memory is 16.0 GB. [2021-04-28 20:33:17,714 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 302.0 MB. Free memory is still 272.2 MB. There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 693.53 ms. Allocated memory is still 302.0 MB. Free memory was 273.7 MB in the beginning and 278.7 MB in the end (delta: -5.0 MB). Peak memory consumption was 33.6 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 88.37 ms. Allocated memory is still 302.0 MB. Free memory was 278.7 MB in the beginning and 276.6 MB in the end (delta: 2.1 MB). There was no memory consumed. Max. memory is 16.0 GB. * Boogie Preprocessor took 40.21 ms. Allocated memory is still 302.0 MB. Free memory was 276.6 MB in the beginning and 274.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 2549.82 ms. Allocated memory was 302.0 MB in the beginning and 367.0 MB in the end (delta: 65.0 MB). Free memory was 274.5 MB in the beginning and 328.1 MB in the end (delta: -53.7 MB). Peak memory consumption was 171.8 MB. Max. memory is 16.0 GB. * TraceAbstraction took 58543.12 ms. Allocated memory was 367.0 MB in the beginning and 981.5 MB in the end (delta: 614.5 MB). Free memory was 328.1 MB in the beginning and 588.3 MB in the end (delta: -260.2 MB). Peak memory consumption was 354.3 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 41081.5ms, 105 PlacesBefore, 135 PlacesAfterwards, 97 TransitionsBefore, 126 TransitionsAfterwards, 1644 CoEnabledTransitionPairs, 9 FixpointIterations, 160 TrivialSequentialCompositions, 94 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 1 ConcurrentYvCompositions, 1 ChoiceCompositions, 256 TotalNumberOfCompositions, 16020 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 5026, positive: 4751, positive conditional: 4751, positive unconditional: 0, negative: 275, negative conditional: 275, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2057, positive: 1986, positive conditional: 0, positive unconditional: 1986, negative: 71, negative conditional: 0, negative unconditional: 71, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2057, positive: 1986, positive conditional: 0, positive unconditional: 1986, negative: 71, negative conditional: 0, negative unconditional: 71, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2057, positive: 1949, positive conditional: 0, positive unconditional: 1949, negative: 108, negative conditional: 0, negative unconditional: 108, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 108, positive: 37, positive conditional: 0, positive unconditional: 37, negative: 71, negative conditional: 0, negative unconditional: 71, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 884, positive: 149, positive conditional: 0, positive unconditional: 149, negative: 735, negative conditional: 0, negative unconditional: 735, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 5026, positive: 2765, positive conditional: 2765, positive unconditional: 0, negative: 204, negative conditional: 204, negative unconditional: 0, unknown: 2057, unknown conditional: 2057, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2046, Positive cache size: 1979, Positive conditional cache size: 1979, Positive unconditional cache size: 0, Negative cache size: 67, Negative conditional cache size: 67, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 294.1ms, 131 PlacesBefore, 73 PlacesAfterwards, 64 TransitionsBefore, 64 TransitionsAfterwards, 1968 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 2504 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 270, positive: 192, positive conditional: 192, positive unconditional: 0, negative: 78, negative conditional: 78, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 35, positive: 11, positive conditional: 1, positive unconditional: 10, negative: 24, negative conditional: 2, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 35, positive: 11, positive conditional: 1, positive unconditional: 10, negative: 24, negative conditional: 2, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.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.Independence Queries: [ total: 25, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 24, negative conditional: 2, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 264, positive: 7, positive conditional: 0, positive unconditional: 7, negative: 257, negative conditional: 39, negative unconditional: 218, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 270, positive: 181, positive conditional: 181, positive unconditional: 0, negative: 54, negative conditional: 54, negative unconditional: 0, unknown: 35, unknown conditional: 35, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2081, Positive cache size: 1990, Positive conditional cache size: 1990, Positive unconditional cache size: 0, Negative cache size: 91, Negative conditional cache size: 91, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 179.7ms, 75 PlacesBefore, 51 PlacesAfterwards, 45 TransitionsBefore, 45 TransitionsAfterwards, 1084 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 357 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 66, positive: 53, positive conditional: 53, positive unconditional: 0, negative: 13, negative conditional: 13, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 25, positive: 21, positive conditional: 6, positive unconditional: 15, negative: 4, negative conditional: 2, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 25, positive: 21, positive conditional: 6, positive unconditional: 15, negative: 4, negative conditional: 2, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 25, positive: 21, positive conditional: 0, positive unconditional: 21, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 4, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 4, negative conditional: 2, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 138, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 138, negative conditional: 117, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 66, positive: 32, positive conditional: 32, positive unconditional: 0, negative: 9, negative conditional: 9, negative unconditional: 0, unknown: 25, unknown conditional: 25, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2106, Positive cache size: 2011, Positive conditional cache size: 2011, Positive unconditional cache size: 0, Negative cache size: 95, Negative conditional cache size: 95, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 113.2ms, 52 PlacesBefore, 52 PlacesAfterwards, 45 TransitionsBefore, 45 TransitionsAfterwards, 1076 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 355 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 60, positive: 47, positive conditional: 47, positive unconditional: 0, negative: 13, negative conditional: 13, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 5, positive: 3, positive conditional: 1, positive unconditional: 2, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 5, positive: 3, positive conditional: 1, 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: 5, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 2, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 79, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 79, negative conditional: 0, negative unconditional: 79, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 60, positive: 44, positive conditional: 44, positive unconditional: 0, negative: 11, negative conditional: 11, negative unconditional: 0, unknown: 5, unknown conditional: 5, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2111, Positive cache size: 2014, Positive conditional cache size: 2014, Positive unconditional cache size: 0, Negative cache size: 97, Negative conditional cache size: 97, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 30.9ms, 55 PlacesBefore, 55 PlacesAfterwards, 49 TransitionsBefore, 49 TransitionsAfterwards, 1194 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 441 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 80, positive: 65, positive conditional: 65, positive unconditional: 0, negative: 15, negative conditional: 15, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3, positive: 3, positive conditional: 2, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 3, positive: 3, positive conditional: 2, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 3, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 80, positive: 62, positive conditional: 62, positive unconditional: 0, negative: 15, negative conditional: 15, negative unconditional: 0, unknown: 3, unknown conditional: 3, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2114, Positive cache size: 2017, Positive conditional cache size: 2017, Positive unconditional cache size: 0, Negative cache size: 97, Negative conditional cache size: 97, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1850.1ms, 62 PlacesBefore, 62 PlacesAfterwards, 73 TransitionsBefore, 73 TransitionsAfterwards, 1728 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 702 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 147, positive: 132, positive conditional: 132, positive unconditional: 0, negative: 15, negative conditional: 15, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 25, positive: 25, positive conditional: 15, positive unconditional: 10, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 25, positive: 25, positive conditional: 15, positive unconditional: 10, 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: 25, positive: 25, positive conditional: 0, positive unconditional: 25, 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: 147, positive: 107, positive conditional: 107, positive unconditional: 0, negative: 15, negative conditional: 15, negative unconditional: 0, unknown: 25, unknown conditional: 25, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2139, Positive cache size: 2042, Positive conditional cache size: 2042, Positive unconditional cache size: 0, Negative cache size: 97, Negative conditional cache size: 97, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1642.4ms, 65 PlacesBefore, 65 PlacesAfterwards, 73 TransitionsBefore, 73 TransitionsAfterwards, 1726 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 702 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 150, positive: 135, positive conditional: 135, positive unconditional: 0, negative: 15, negative conditional: 15, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 150, positive: 134, positive conditional: 134, positive unconditional: 0, negative: 15, negative conditional: 15, negative unconditional: 0, unknown: 1, unknown conditional: 1, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2140, Positive cache size: 2043, Positive conditional cache size: 2043, Positive unconditional cache size: 0, Negative cache size: 97, Negative conditional cache size: 97, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1588.3ms, 73 PlacesBefore, 73 PlacesAfterwards, 97 TransitionsBefore, 97 TransitionsAfterwards, 2162 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 1230 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 180, positive: 159, positive conditional: 159, positive unconditional: 0, negative: 21, negative conditional: 21, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 34, positive: 34, positive conditional: 29, positive unconditional: 5, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 34, positive: 34, positive conditional: 29, positive unconditional: 5, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 34, positive: 34, positive conditional: 0, positive unconditional: 34, 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: 180, positive: 125, positive conditional: 125, positive unconditional: 0, negative: 21, negative conditional: 21, negative unconditional: 0, unknown: 34, unknown conditional: 34, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2174, Positive cache size: 2077, Positive conditional cache size: 2077, Positive unconditional cache size: 0, Negative cache size: 97, Negative conditional cache size: 97, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 480.3ms, 79 PlacesBefore, 77 PlacesAfterwards, 94 TransitionsBefore, 94 TransitionsAfterwards, 1728 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 1066 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 120, positive: 100, positive conditional: 100, positive unconditional: 0, negative: 20, negative conditional: 20, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 35, positive: 35, positive conditional: 35, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 35, positive: 35, positive conditional: 35, 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: 35, positive: 35, positive conditional: 0, positive unconditional: 35, 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: 120, positive: 65, positive conditional: 65, positive unconditional: 0, negative: 20, negative conditional: 20, negative unconditional: 0, unknown: 35, unknown conditional: 35, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2209, Positive cache size: 2112, Positive conditional cache size: 2112, Positive unconditional cache size: 0, Negative cache size: 97, Negative conditional cache size: 97, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 226.3ms, 72 PlacesBefore, 57 PlacesAfterwards, 48 TransitionsBefore, 48 TransitionsAfterwards, 360 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 2 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 379 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 55, positive: 37, positive conditional: 37, positive unconditional: 0, negative: 18, negative conditional: 18, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 16, positive: 16, positive conditional: 4, positive unconditional: 12, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 16, positive: 16, positive conditional: 4, positive unconditional: 12, 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: 16, positive: 16, positive conditional: 0, positive unconditional: 16, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 55, positive: 21, positive conditional: 21, positive unconditional: 0, negative: 18, negative conditional: 18, negative unconditional: 0, unknown: 16, unknown conditional: 16, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2225, Positive cache size: 2128, Positive conditional cache size: 2128, Positive unconditional cache size: 0, Negative cache size: 97, Negative conditional cache size: 97, Negative unconditional cache size: 0 - CounterExampleResult [Line: 18]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L709] 0 int __unbuffered_cnt = 0; [L711] 0 int __unbuffered_p1_EAX = 0; [L713] 0 int __unbuffered_p2_EAX = 0; [L715] 0 int __unbuffered_p2_EBX = 0; [L717] 0 int a = 0; [L718] 0 _Bool main$tmp_guard0; [L719] 0 _Bool main$tmp_guard1; [L721] 0 int x = 0; [L723] 0 int y = 0; [L724] 0 _Bool y$flush_delayed; [L725] 0 int y$mem_tmp; [L726] 0 _Bool y$r_buff0_thd0; [L727] 0 _Bool y$r_buff0_thd1; [L728] 0 _Bool y$r_buff0_thd2; [L729] 0 _Bool y$r_buff0_thd3; [L730] 0 _Bool y$r_buff1_thd0; [L731] 0 _Bool y$r_buff1_thd1; [L732] 0 _Bool y$r_buff1_thd2; [L733] 0 _Bool y$r_buff1_thd3; [L734] 0 _Bool y$read_delayed; [L735] 0 int *y$read_delayed_var; [L736] 0 int y$w_buff0; [L737] 0 _Bool y$w_buff0_used; [L738] 0 int y$w_buff1; [L739] 0 _Bool y$w_buff1_used; [L741] 0 int z = 0; [L742] 0 _Bool weak$$choice0; [L743] 0 _Bool weak$$choice2; [L833] 0 pthread_t t1022; [L834] FCALL, FORK 0 pthread_create(&t1022, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=0] [L835] 0 pthread_t t1023; [L836] FCALL, FORK 0 pthread_create(&t1023, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=0] [L837] 0 pthread_t t1024; [L838] FCALL, FORK 0 pthread_create(&t1024, ((void *)0), P2, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=0] [L790] 3 y$w_buff1 = y$w_buff0 [L791] 3 y$w_buff0 = 1 [L792] 3 y$w_buff1_used = y$w_buff0_used [L793] 3 y$w_buff0_used = (_Bool)1 [L18] COND FALSE 3 !(!expression) [L795] 3 y$r_buff1_thd0 = y$r_buff0_thd0 [L796] 3 y$r_buff1_thd1 = y$r_buff0_thd1 [L797] 3 y$r_buff1_thd2 = y$r_buff0_thd2 [L798] 3 y$r_buff1_thd3 = y$r_buff0_thd3 [L799] 3 y$r_buff0_thd3 = (_Bool)1 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=0] [L802] 3 z = 1 [L805] 3 __unbuffered_p2_EAX = z VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, a=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=1] [L808] 3 __unbuffered_p2_EBX = a VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, a=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=1] [L747] 1 a = 1 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=1] [L750] 1 x = 1 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=1] [L762] 2 x = 2 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=1] [L765] 2 weak$$choice0 = __VERIFIER_nondet_bool() [L766] 2 weak$$choice2 = __VERIFIER_nondet_bool() [L767] 2 y$flush_delayed = weak$$choice2 [L768] 2 y$mem_tmp = y [L769] EXPR 2 !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff1) [L769] 2 y = !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff1) [L770] EXPR 2 weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff0)) [L770] EXPR 2 !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff0) [L770] EXPR 2 weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff0)) [L770] 2 y$w_buff0 = weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff0)) [L771] EXPR 2 weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff1 : y$w_buff1)) [L771] EXPR 2 !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff1 : y$w_buff1) [L771] EXPR 2 weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff1 : y$w_buff1)) [L771] 2 y$w_buff1 = weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff1 : y$w_buff1)) [L772] EXPR 2 weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used)) [L772] EXPR 2 !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used) [L772] EXPR 2 weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used)) [L772] 2 y$w_buff0_used = weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used)) [L773] EXPR 2 weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L773] EXPR 2 !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0) [L773] EXPR 2 weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L773] 2 y$w_buff1_used = weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L774] EXPR 2 weak$$choice2 ? y$r_buff0_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff0_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2)) [L774] EXPR 2 !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff0_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2) [L774] EXPR 2 weak$$choice2 ? y$r_buff0_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff0_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2)) [L774] 2 y$r_buff0_thd2 = weak$$choice2 ? y$r_buff0_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff0_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2)) [L775] EXPR 2 weak$$choice2 ? y$r_buff1_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff1_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L775] EXPR 2 !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff1_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0) [L775] EXPR 2 weak$$choice2 ? y$r_buff1_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff1_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L775] 2 y$r_buff1_thd2 = weak$$choice2 ? y$r_buff1_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff1_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L776] 2 __unbuffered_p1_EAX = y [L777] EXPR 2 y$flush_delayed ? y$mem_tmp : y [L777] 2 y = y$flush_delayed ? y$mem_tmp : y [L778] 2 y$flush_delayed = (_Bool)0 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=0, x=2, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=1] [L755] 1 __unbuffered_cnt = __unbuffered_cnt + 1 [L757] 1 return 0; VAL [\result={0:0}, __unbuffered_cnt=1, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=0, x=2, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=1] [L783] 2 __unbuffered_cnt = __unbuffered_cnt + 1 [L785] 2 return 0; VAL [\result={0:0}, \result={0:0}, __unbuffered_cnt=2, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=0, x=2, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=1] [L811] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd3 ? y$w_buff1 : y) [L811] 3 y = y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd3 ? y$w_buff1 : y) [L812] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$w_buff0_used [L812] 3 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$w_buff0_used [L813] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$w_buff1_used [L813] 3 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$w_buff1_used [L814] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$r_buff0_thd3 [L814] 3 y$r_buff0_thd3 = y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$r_buff0_thd3 [L815] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$r_buff1_thd3 [L815] 3 y$r_buff1_thd3 = y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$r_buff1_thd3 [L818] 3 __unbuffered_cnt = __unbuffered_cnt + 1 [L820] 3 return 0; VAL [\result={0:0}, \result={0:0}, __unbuffered_cnt=3, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=0, x=2, y=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=1] [L840] 0 main$tmp_guard0 = __unbuffered_cnt == 3 [L3] COND FALSE 0 !(!cond) [L844] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y) [L844] EXPR 0 y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y [L844] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y) [L844] 0 y = y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y) [L845] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used [L845] 0 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used [L846] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$w_buff1_used [L846] 0 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$w_buff1_used [L847] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0 [L847] 0 y$r_buff0_thd0 = y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0 [L848] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$r_buff1_thd0 [L848] 0 y$r_buff1_thd0 = y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$r_buff1_thd0 [L851] 0 main$tmp_guard1 = !(x == 2 && __unbuffered_p1_EAX == 0 && __unbuffered_p2_EAX == 1 && __unbuffered_p2_EBX == 0) [L18] COND TRUE 0 !expression [L18] 0 reach_error() VAL [\result={0:0}, \result={0:0}, __unbuffered_cnt=3, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=0, x=2, y=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 99 locations, 2 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 16.3ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: UNSAFE, OverallTime: 58260.6ms, OverallIterations: 10, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 9311.2ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 41211.8ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 60 SDtfs, 78 SDslu, 17 SDs, 0 SdLazy, 327 SolverSat, 145 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 433.8ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 29 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 131.6ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=721occurred in iteration=8, InterpolantAutomatonStates: 41, 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: 42.3ms SsaConstructionTime, 352.6ms SatisfiabilityAnalysisTime, 557.2ms InterpolantComputationTime, 134 NumberOfCodeBlocks, 134 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 105 ConstructedInterpolants, 0 QuantifiedInterpolants, 431 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 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...