/usr/bin/java -Xmx8000000000 -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-NoLbe-OGIterative.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/mix047_power.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-2cf4d3f9dd5fed411db405f577e28237a543b59a-2cf4d3f [2021-08-13 00:03:07,077 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-13 00:03:07,079 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-13 00:03:07,098 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-08-13 00:03:07,104 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-13 00:03:07,105 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-13 00:03:07,105 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-13 00:03:07,106 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-13 00:03:07,107 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-13 00:03:07,107 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-13 00:03:07,108 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-13 00:03:07,109 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-13 00:03:07,110 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-13 00:03:07,117 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-13 00:03:07,118 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-13 00:03:07,120 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-13 00:03:07,126 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-08-13 00:03:07,135 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-13 00:03:07,135 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-13 00:03:07,136 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-13 00:03:07,138 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-NoLbe-OGIterative.epf [2021-08-13 00:03:07,162 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-13 00:03:07,162 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-13 00:03:07,163 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-13 00:03:07,163 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-13 00:03:07,163 INFO L138 SettingsManager]: * Use SBE=true [2021-08-13 00:03:07,163 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-13 00:03:07,163 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-13 00:03:07,163 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-13 00:03:07,163 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-13 00:03:07,163 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-13 00:03:07,163 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-13 00:03:07,163 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-13 00:03:07,164 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-13 00:03:07,164 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-13 00:03:07,164 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-13 00:03:07,164 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-13 00:03:07,164 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-13 00:03:07,164 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-13 00:03:07,164 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-13 00:03:07,164 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-08-13 00:03:07,164 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-13 00:03:07,164 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-13 00:03:07,165 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-13 00:03:07,165 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-13 00:03:07,165 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-13 00:03:07,165 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-13 00:03:07,165 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-13 00:03:07,165 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-08-13 00:03:07,165 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-08-13 00:03:07,165 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-13 00:03:07,165 INFO L138 SettingsManager]: * Compute cosets for OwickiGries annotation iteratively=true [2021-08-13 00:03:07,165 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-08-13 00:03:07,408 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-13 00:03:07,427 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-13 00:03:07,428 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-13 00:03:07,429 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-13 00:03:07,430 INFO L275 PluginConnector]: CDTParser initialized [2021-08-13 00:03:07,431 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix047_power.opt.i [2021-08-13 00:03:07,478 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f15852da2/8bf830cf69a9498e86a3cab5b236034a/FLAG3473e5a39 [2021-08-13 00:03:07,912 INFO L306 CDTParser]: Found 1 translation units. [2021-08-13 00:03:07,912 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix047_power.opt.i [2021-08-13 00:03:07,925 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f15852da2/8bf830cf69a9498e86a3cab5b236034a/FLAG3473e5a39 [2021-08-13 00:03:07,939 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f15852da2/8bf830cf69a9498e86a3cab5b236034a [2021-08-13 00:03:07,944 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-13 00:03:07,945 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-08-13 00:03:07,947 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-13 00:03:07,947 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-13 00:03:07,950 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-13 00:03:07,950 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.08 12:03:07" (1/1) ... [2021-08-13 00:03:07,951 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c3c6ba6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 12:03:07, skipping insertion in model container [2021-08-13 00:03:07,951 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.08 12:03:07" (1/1) ... [2021-08-13 00:03:07,956 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-13 00:03:07,998 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-13 00:03:08,166 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix047_power.opt.i[950,963] [2021-08-13 00:03:08,330 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-13 00:03:08,336 INFO L203 MainTranslator]: Completed pre-run [2021-08-13 00:03:08,343 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix047_power.opt.i[950,963] [2021-08-13 00:03:08,381 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-13 00:03:08,429 INFO L208 MainTranslator]: Completed translation [2021-08-13 00:03:08,429 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 12:03:08 WrapperNode [2021-08-13 00:03:08,430 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-13 00:03:08,430 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-13 00:03:08,430 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-13 00:03:08,430 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-13 00:03:08,435 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 12:03:08" (1/1) ... [2021-08-13 00:03:08,461 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 12:03:08" (1/1) ... [2021-08-13 00:03:08,485 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-13 00:03:08,485 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-13 00:03:08,485 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-13 00:03:08,485 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-13 00:03:08,506 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 12:03:08" (1/1) ... [2021-08-13 00:03:08,506 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 12:03:08" (1/1) ... [2021-08-13 00:03:08,519 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 12:03:08" (1/1) ... [2021-08-13 00:03:08,519 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 12:03:08" (1/1) ... [2021-08-13 00:03:08,528 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 12:03:08" (1/1) ... [2021-08-13 00:03:08,530 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 12:03:08" (1/1) ... [2021-08-13 00:03:08,532 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 12:03:08" (1/1) ... [2021-08-13 00:03:08,535 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-13 00:03:08,535 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-13 00:03:08,535 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-13 00:03:08,535 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-13 00:03:08,536 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 12:03:08" (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 [2021-08-13 00:03:08,614 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-08-13 00:03:08,614 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-08-13 00:03:08,615 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-13 00:03:08,615 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-08-13 00:03:08,615 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-08-13 00:03:08,617 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-08-13 00:03:08,617 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-08-13 00:03:08,617 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-08-13 00:03:08,617 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-08-13 00:03:08,617 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-08-13 00:03:08,617 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2021-08-13 00:03:08,617 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2021-08-13 00:03:08,617 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-08-13 00:03:08,618 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-08-13 00:03:08,618 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-13 00:03:08,618 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-13 00:03:08,619 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-08-13 00:03:09,881 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-13 00:03:09,882 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-08-13 00:03:09,883 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.08 12:03:09 BoogieIcfgContainer [2021-08-13 00:03:09,883 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-13 00:03:09,884 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-13 00:03:09,884 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-13 00:03:09,886 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-13 00:03:09,886 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.08 12:03:07" (1/3) ... [2021-08-13 00:03:09,887 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66a68746 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.08 12:03:09, skipping insertion in model container [2021-08-13 00:03:09,887 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 12:03:08" (2/3) ... [2021-08-13 00:03:09,887 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66a68746 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.08 12:03:09, skipping insertion in model container [2021-08-13 00:03:09,887 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.08 12:03:09" (3/3) ... [2021-08-13 00:03:09,888 INFO L111 eAbstractionObserver]: Analyzing ICFG mix047_power.opt.i [2021-08-13 00:03:09,892 INFO L206 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-13 00:03:09,893 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-08-13 00:03:09,893 INFO L445 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-08-13 00:03:09,916 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 00:03:09,916 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 00:03:09,916 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 00:03:09,916 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 00:03:09,916 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 00:03:09,916 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 00:03:09,916 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 00:03:09,916 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 00:03:09,917 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 00:03:09,917 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 00:03:09,917 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 00:03:09,917 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 00:03:09,917 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 00:03:09,917 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 00:03:09,917 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 00:03:09,917 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 00:03:09,918 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 00:03:09,918 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 00:03:09,918 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 00:03:09,918 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 00:03:09,918 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 00:03:09,918 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 00:03:09,918 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 00:03:09,918 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 00:03:09,918 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 00:03:09,919 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 00:03:09,919 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 00:03:09,919 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 00:03:09,919 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 00:03:09,919 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 00:03:09,919 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 00:03:09,919 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 00:03:09,919 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 00:03:09,919 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 00:03:09,919 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 00:03:09,920 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 00:03:09,920 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 00:03:09,920 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 00:03:09,920 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 00:03:09,920 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 00:03:09,920 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 00:03:09,920 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 00:03:09,920 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 00:03:09,921 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 00:03:09,921 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 00:03:09,921 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 00:03:09,921 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 00:03:09,921 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 00:03:09,921 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 00:03:09,921 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 00:03:09,922 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 00:03:09,922 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 00:03:09,922 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 00:03:09,922 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 00:03:09,922 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 00:03:09,922 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 00:03:09,922 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 00:03:09,922 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 00:03:09,922 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 00:03:09,922 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 00:03:09,923 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 00:03:09,923 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 00:03:09,923 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 00:03:09,923 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 00:03:09,923 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 00:03:09,923 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 00:03:09,923 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 00:03:09,923 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 00:03:09,924 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 00:03:09,924 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 00:03:09,924 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 00:03:09,924 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 00:03:09,924 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 00:03:09,924 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 00:03:09,924 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 00:03:09,924 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 00:03:09,924 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 00:03:09,925 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 00:03:09,925 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 00:03:09,925 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 00:03:09,925 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 00:03:09,925 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 00:03:09,925 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 00:03:09,925 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 00:03:09,927 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 00:03:09,927 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 00:03:09,927 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 00:03:09,927 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 00:03:09,927 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 00:03:09,928 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 00:03:09,928 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 00:03:09,928 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 00:03:09,928 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 00:03:09,928 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 00:03:09,929 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 00:03:09,930 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 00:03:09,930 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 00:03:09,930 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 00:03:09,931 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 00:03:09,932 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 00:03:09,932 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 00:03:09,932 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 00:03:09,932 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 00:03:09,932 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 00:03:09,932 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 00:03:09,932 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 00:03:09,932 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 00:03:09,932 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 00:03:09,933 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 00:03:09,933 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 00:03:09,934 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 00:03:09,934 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 00:03:09,934 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 00:03:09,934 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 00:03:09,935 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-08-13 00:03:09,950 INFO L255 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2021-08-13 00:03:09,963 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-08-13 00:03:09,963 INFO L379 AbstractCegarLoop]: Hoare is false [2021-08-13 00:03:09,963 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-08-13 00:03:09,963 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-08-13 00:03:09,963 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-08-13 00:03:09,963 INFO L383 AbstractCegarLoop]: Difference is false [2021-08-13 00:03:09,963 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-08-13 00:03:09,963 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-08-13 00:03:09,971 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 139 places, 128 transitions, 276 flow [2021-08-13 00:03:10,000 INFO L129 PetriNetUnfolder]: 2/124 cut-off events. [2021-08-13 00:03:10,001 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-08-13 00:03:10,003 INFO L84 FinitePrefix]: Finished finitePrefix Result has 137 conditions, 124 events. 2/124 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 71 event pairs, 0 based on Foata normal form. 0/120 useless extension candidates. Maximal degree in co-relation 86. Up to 2 conditions per place. [2021-08-13 00:03:10,003 INFO L82 GeneralOperation]: Start removeDead. Operand has 139 places, 128 transitions, 276 flow [2021-08-13 00:03:10,006 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 135 places, 124 transitions, 260 flow [2021-08-13 00:03:10,016 INFO L129 PetriNetUnfolder]: 0/87 cut-off events. [2021-08-13 00:03:10,016 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-08-13 00:03:10,017 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 00:03:10,017 INFO L266 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-13 00:03:10,017 INFO L430 AbstractCegarLoop]: === Iteration 1 === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-08-13 00:03:10,020 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 00:03:10,021 INFO L82 PathProgramCache]: Analyzing trace with hash 469574097, now seen corresponding path program 1 times [2021-08-13 00:03:10,026 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 00:03:10,026 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1763177197] [2021-08-13 00:03:10,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 00:03:10,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 00:03:10,185 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 00:03:10,186 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 00:03:10,186 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 00:03:10,187 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 00:03:10,193 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-13 00:03:10,194 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 00:03:10,194 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1763177197] [2021-08-13 00:03:10,195 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1763177197] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-13 00:03:10,195 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-13 00:03:10,195 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-13 00:03:10,195 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1908806373] [2021-08-13 00:03:10,201 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-08-13 00:03:10,201 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 00:03:10,208 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-13 00:03:10,209 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-13 00:03:10,210 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 118 out of 128 [2021-08-13 00:03:10,212 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 135 places, 124 transitions, 260 flow. Second operand has 3 states, 3 states have (on average 118.66666666666667) internal successors, (356), 3 states have internal predecessors, (356), 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) [2021-08-13 00:03:10,213 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 00:03:10,213 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 118 of 128 [2021-08-13 00:03:10,213 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 00:03:10,265 INFO L129 PetriNetUnfolder]: 16/198 cut-off events. [2021-08-13 00:03:10,266 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-08-13 00:03:10,267 INFO L84 FinitePrefix]: Finished finitePrefix Result has 246 conditions, 198 events. 16/198 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 468 event pairs, 2 based on Foata normal form. 9/200 useless extension candidates. Maximal degree in co-relation 193. Up to 27 conditions per place. [2021-08-13 00:03:10,268 INFO L132 encePairwiseOnDemand]: 123/128 looper letters, 7 selfloop transitions, 2 changer transitions 0/123 dead transitions. [2021-08-13 00:03:10,268 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 135 places, 123 transitions, 276 flow [2021-08-13 00:03:10,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-13 00:03:10,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-08-13 00:03:10,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 368 transitions. [2021-08-13 00:03:10,283 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.9583333333333334 [2021-08-13 00:03:10,283 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 368 transitions. [2021-08-13 00:03:10,284 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 368 transitions. [2021-08-13 00:03:10,286 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 00:03:10,287 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 368 transitions. [2021-08-13 00:03:10,291 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 122.66666666666667) internal successors, (368), 3 states have internal predecessors, (368), 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) [2021-08-13 00:03:10,295 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 128.0) internal successors, (512), 4 states have internal predecessors, (512), 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) [2021-08-13 00:03:10,295 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 128.0) internal successors, (512), 4 states have internal predecessors, (512), 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) [2021-08-13 00:03:10,296 INFO L348 CegarLoopForPetriNet]: 135 programPoint places, 0 predicate places. [2021-08-13 00:03:10,296 INFO L482 AbstractCegarLoop]: Abstraction has has 135 places, 123 transitions, 276 flow [2021-08-13 00:03:10,296 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 118.66666666666667) internal successors, (356), 3 states have internal predecessors, (356), 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) [2021-08-13 00:03:10,296 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 00:03:10,296 INFO L266 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-13 00:03:10,296 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-08-13 00:03:10,296 INFO L430 AbstractCegarLoop]: === Iteration 2 === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-08-13 00:03:10,297 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 00:03:10,297 INFO L82 PathProgramCache]: Analyzing trace with hash -988087535, now seen corresponding path program 1 times [2021-08-13 00:03:10,297 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 00:03:10,297 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1288097953] [2021-08-13 00:03:10,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 00:03:10,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 00:03:10,466 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 00:03:10,466 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 00:03:10,467 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 00:03:10,467 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 00:03:10,474 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-08-13 00:03:10,475 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-08-13 00:03:10,486 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 00:03:10,487 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-13 00:03:10,493 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 00:03:10,493 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-13 00:03:10,499 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 00:03:10,500 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 00:03:10,500 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-13 00:03:10,500 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 00:03:10,500 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1288097953] [2021-08-13 00:03:10,501 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1288097953] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-13 00:03:10,501 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-13 00:03:10,501 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-08-13 00:03:10,501 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [131471313] [2021-08-13 00:03:10,502 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-08-13 00:03:10,502 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 00:03:10,502 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-08-13 00:03:10,502 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-08-13 00:03:10,503 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 116 out of 128 [2021-08-13 00:03:10,504 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 135 places, 123 transitions, 276 flow. Second operand has 6 states, 6 states have (on average 117.16666666666667) internal successors, (703), 6 states have internal predecessors, (703), 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) [2021-08-13 00:03:10,504 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 00:03:10,504 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 116 of 128 [2021-08-13 00:03:10,504 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 00:03:10,675 INFO L129 PetriNetUnfolder]: 30/350 cut-off events. [2021-08-13 00:03:10,675 INFO L130 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2021-08-13 00:03:10,678 INFO L84 FinitePrefix]: Finished finitePrefix Result has 483 conditions, 350 events. 30/350 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 1565 event pairs, 6 based on Foata normal form. 0/341 useless extension candidates. Maximal degree in co-relation 427. Up to 45 conditions per place. [2021-08-13 00:03:10,680 INFO L132 encePairwiseOnDemand]: 122/128 looper letters, 7 selfloop transitions, 2 changer transitions 13/135 dead transitions. [2021-08-13 00:03:10,680 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 143 places, 135 transitions, 346 flow [2021-08-13 00:03:10,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-13 00:03:10,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-08-13 00:03:10,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1067 transitions. [2021-08-13 00:03:10,684 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.9262152777777778 [2021-08-13 00:03:10,684 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1067 transitions. [2021-08-13 00:03:10,688 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1067 transitions. [2021-08-13 00:03:10,689 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 00:03:10,689 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1067 transitions. [2021-08-13 00:03:10,690 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 118.55555555555556) internal successors, (1067), 9 states have internal predecessors, (1067), 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) [2021-08-13 00:03:10,693 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 128.0) internal successors, (1280), 10 states have internal predecessors, (1280), 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) [2021-08-13 00:03:10,694 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 128.0) internal successors, (1280), 10 states have internal predecessors, (1280), 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) [2021-08-13 00:03:10,694 INFO L348 CegarLoopForPetriNet]: 135 programPoint places, 8 predicate places. [2021-08-13 00:03:10,694 INFO L482 AbstractCegarLoop]: Abstraction has has 143 places, 135 transitions, 346 flow [2021-08-13 00:03:10,695 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 117.16666666666667) internal successors, (703), 6 states have internal predecessors, (703), 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) [2021-08-13 00:03:10,695 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 00:03:10,695 INFO L266 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-13 00:03:10,695 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-08-13 00:03:10,695 INFO L430 AbstractCegarLoop]: === Iteration 3 === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-08-13 00:03:10,696 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 00:03:10,696 INFO L82 PathProgramCache]: Analyzing trace with hash 239181684, now seen corresponding path program 1 times [2021-08-13 00:03:10,696 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 00:03:10,697 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [625850087] [2021-08-13 00:03:10,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 00:03:10,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 00:03:10,836 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 00:03:10,836 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 00:03:10,837 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 00:03:10,837 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 00:03:10,840 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-08-13 00:03:10,841 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-08-13 00:03:10,853 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 00:03:10,853 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-13 00:03:10,859 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 00:03:10,860 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-13 00:03:10,867 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 00:03:10,867 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 00:03:10,868 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-13 00:03:10,868 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 00:03:10,868 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [625850087] [2021-08-13 00:03:10,868 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [625850087] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-13 00:03:10,868 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-13 00:03:10,868 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-08-13 00:03:10,868 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2009129692] [2021-08-13 00:03:10,869 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-08-13 00:03:10,869 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 00:03:10,869 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-08-13 00:03:10,869 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-08-13 00:03:10,870 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 115 out of 128 [2021-08-13 00:03:10,871 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 143 places, 135 transitions, 346 flow. Second operand has 6 states, 6 states have (on average 116.16666666666667) internal successors, (697), 6 states have internal predecessors, (697), 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) [2021-08-13 00:03:10,871 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 00:03:10,871 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 115 of 128 [2021-08-13 00:03:10,871 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 00:03:11,105 INFO L129 PetriNetUnfolder]: 239/1346 cut-off events. [2021-08-13 00:03:11,105 INFO L130 PetriNetUnfolder]: For 96/96 co-relation queries the response was YES. [2021-08-13 00:03:11,137 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2148 conditions, 1346 events. 239/1346 cut-off events. For 96/96 co-relation queries the response was YES. Maximal size of possible extension queue 106. Compared 11659 event pairs, 40 based on Foata normal form. 0/1310 useless extension candidates. Maximal degree in co-relation 2089. Up to 207 conditions per place. [2021-08-13 00:03:11,138 INFO L132 encePairwiseOnDemand]: 121/128 looper letters, 9 selfloop transitions, 3 changer transitions 52/176 dead transitions. [2021-08-13 00:03:11,139 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 151 places, 176 transitions, 610 flow [2021-08-13 00:03:11,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-13 00:03:11,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-08-13 00:03:11,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1070 transitions. [2021-08-13 00:03:11,141 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.9288194444444444 [2021-08-13 00:03:11,141 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1070 transitions. [2021-08-13 00:03:11,141 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1070 transitions. [2021-08-13 00:03:11,141 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 00:03:11,141 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1070 transitions. [2021-08-13 00:03:11,143 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 118.88888888888889) internal successors, (1070), 9 states have internal predecessors, (1070), 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) [2021-08-13 00:03:11,145 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 128.0) internal successors, (1280), 10 states have internal predecessors, (1280), 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) [2021-08-13 00:03:11,145 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 128.0) internal successors, (1280), 10 states have internal predecessors, (1280), 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) [2021-08-13 00:03:11,146 INFO L348 CegarLoopForPetriNet]: 135 programPoint places, 16 predicate places. [2021-08-13 00:03:11,146 INFO L482 AbstractCegarLoop]: Abstraction has has 151 places, 176 transitions, 610 flow [2021-08-13 00:03:11,146 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 116.16666666666667) internal successors, (697), 6 states have internal predecessors, (697), 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) [2021-08-13 00:03:11,146 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 00:03:11,146 INFO L266 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-13 00:03:11,146 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-08-13 00:03:11,146 INFO L430 AbstractCegarLoop]: === Iteration 4 === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-08-13 00:03:11,147 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 00:03:11,147 INFO L82 PathProgramCache]: Analyzing trace with hash 235455093, now seen corresponding path program 1 times [2021-08-13 00:03:11,147 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 00:03:11,147 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [378101291] [2021-08-13 00:03:11,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 00:03:11,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 00:03:11,287 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 00:03:11,288 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 00:03:11,288 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 00:03:11,288 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 00:03:11,291 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 00:03:11,291 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 00:03:11,295 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 00:03:11,296 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 00:03:11,302 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 00:03:11,303 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 00:03:11,313 INFO L142 QuantifierPusher]: treesize reduction 10, result has 83.6 percent of original size [2021-08-13 00:03:11,313 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-08-13 00:03:11,331 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 00:03:11,332 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-13 00:03:11,340 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-08-13 00:03:11,341 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-08-13 00:03:11,358 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 00:03:11,359 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-13 00:03:11,368 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 00:03:11,369 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-13 00:03:11,378 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 00:03:11,378 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 00:03:11,379 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-13 00:03:11,379 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 00:03:11,379 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [378101291] [2021-08-13 00:03:11,379 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [378101291] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-13 00:03:11,379 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-13 00:03:11,379 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-08-13 00:03:11,379 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [475685076] [2021-08-13 00:03:11,379 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-08-13 00:03:11,380 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 00:03:11,380 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-08-13 00:03:11,380 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2021-08-13 00:03:11,381 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 104 out of 128 [2021-08-13 00:03:11,382 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 151 places, 176 transitions, 610 flow. Second operand has 11 states, 11 states have (on average 105.27272727272727) internal successors, (1158), 11 states have internal predecessors, (1158), 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) [2021-08-13 00:03:11,382 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 00:03:11,382 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 104 of 128 [2021-08-13 00:03:11,382 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 00:03:13,404 INFO L129 PetriNetUnfolder]: 5611/14847 cut-off events. [2021-08-13 00:03:13,405 INFO L130 PetriNetUnfolder]: For 4031/4395 co-relation queries the response was YES. [2021-08-13 00:03:13,466 INFO L84 FinitePrefix]: Finished finitePrefix Result has 29509 conditions, 14847 events. 5611/14847 cut-off events. For 4031/4395 co-relation queries the response was YES. Maximal size of possible extension queue 879. Compared 167500 event pairs, 1185 based on Foata normal form. 4/14680 useless extension candidates. Maximal degree in co-relation 29442. Up to 2987 conditions per place. [2021-08-13 00:03:13,486 INFO L132 encePairwiseOnDemand]: 113/128 looper letters, 25 selfloop transitions, 25 changer transitions 326/467 dead transitions. [2021-08-13 00:03:13,486 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 174 places, 467 transitions, 2770 flow [2021-08-13 00:03:13,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-08-13 00:03:13,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2021-08-13 00:03:13,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 2644 transitions. [2021-08-13 00:03:13,492 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.8606770833333334 [2021-08-13 00:03:13,492 INFO L72 ComplementDD]: Start complementDD. Operand 24 states and 2644 transitions. [2021-08-13 00:03:13,492 INFO L73 IsDeterministic]: Start isDeterministic. Operand 24 states and 2644 transitions. [2021-08-13 00:03:13,493 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 00:03:13,493 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 24 states and 2644 transitions. [2021-08-13 00:03:13,496 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 25 states, 24 states have (on average 110.16666666666667) internal successors, (2644), 24 states have internal predecessors, (2644), 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) [2021-08-13 00:03:13,500 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 25 states, 25 states have (on average 128.0) internal successors, (3200), 25 states have internal predecessors, (3200), 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) [2021-08-13 00:03:13,500 INFO L81 ComplementDD]: Finished complementDD. Result has 25 states, 25 states have (on average 128.0) internal successors, (3200), 25 states have internal predecessors, (3200), 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) [2021-08-13 00:03:13,501 INFO L348 CegarLoopForPetriNet]: 135 programPoint places, 39 predicate places. [2021-08-13 00:03:13,501 INFO L482 AbstractCegarLoop]: Abstraction has has 174 places, 467 transitions, 2770 flow [2021-08-13 00:03:13,501 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 105.27272727272727) internal successors, (1158), 11 states have internal predecessors, (1158), 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) [2021-08-13 00:03:13,501 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 00:03:13,501 INFO L266 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-13 00:03:13,501 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-08-13 00:03:13,501 INFO L430 AbstractCegarLoop]: === Iteration 5 === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-08-13 00:03:13,502 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 00:03:13,502 INFO L82 PathProgramCache]: Analyzing trace with hash -1227514129, now seen corresponding path program 1 times [2021-08-13 00:03:13,502 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 00:03:13,502 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1884120610] [2021-08-13 00:03:13,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 00:03:13,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 00:03:13,557 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 00:03:13,557 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 00:03:13,558 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 00:03:13,558 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 00:03:13,562 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-08-13 00:03:13,565 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-08-13 00:03:13,577 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 00:03:13,578 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-13 00:03:13,583 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 00:03:13,583 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-13 00:03:13,589 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 00:03:13,589 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 00:03:13,590 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-13 00:03:13,590 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 00:03:13,590 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1884120610] [2021-08-13 00:03:13,590 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1884120610] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-13 00:03:13,591 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-13 00:03:13,591 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-08-13 00:03:13,591 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [319286565] [2021-08-13 00:03:13,591 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-08-13 00:03:13,591 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 00:03:13,592 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-08-13 00:03:13,592 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-08-13 00:03:13,592 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 115 out of 128 [2021-08-13 00:03:13,593 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 174 places, 467 transitions, 2770 flow. Second operand has 6 states, 6 states have (on average 116.33333333333333) internal successors, (698), 6 states have internal predecessors, (698), 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) [2021-08-13 00:03:13,593 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 00:03:13,593 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 115 of 128 [2021-08-13 00:03:13,593 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 00:03:15,638 INFO L129 PetriNetUnfolder]: 6443/18803 cut-off events. [2021-08-13 00:03:15,638 INFO L130 PetriNetUnfolder]: For 7661/8366 co-relation queries the response was YES. [2021-08-13 00:03:15,770 INFO L84 FinitePrefix]: Finished finitePrefix Result has 41205 conditions, 18803 events. 6443/18803 cut-off events. For 7661/8366 co-relation queries the response was YES. Maximal size of possible extension queue 1210. Compared 234032 event pairs, 1361 based on Foata normal form. 12/18679 useless extension candidates. Maximal degree in co-relation 41135. Up to 4443 conditions per place. [2021-08-13 00:03:15,790 INFO L132 encePairwiseOnDemand]: 122/128 looper letters, 12 selfloop transitions, 3 changer transitions 401/546 dead transitions. [2021-08-13 00:03:15,793 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 182 places, 546 transitions, 4044 flow [2021-08-13 00:03:15,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-13 00:03:15,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-08-13 00:03:15,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1065 transitions. [2021-08-13 00:03:15,797 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.9244791666666666 [2021-08-13 00:03:15,797 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1065 transitions. [2021-08-13 00:03:15,797 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1065 transitions. [2021-08-13 00:03:15,797 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 00:03:15,797 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1065 transitions. [2021-08-13 00:03:15,799 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 118.33333333333333) internal successors, (1065), 9 states have internal predecessors, (1065), 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) [2021-08-13 00:03:15,800 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 128.0) internal successors, (1280), 10 states have internal predecessors, (1280), 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) [2021-08-13 00:03:15,801 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 128.0) internal successors, (1280), 10 states have internal predecessors, (1280), 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) [2021-08-13 00:03:15,801 INFO L348 CegarLoopForPetriNet]: 135 programPoint places, 47 predicate places. [2021-08-13 00:03:15,801 INFO L482 AbstractCegarLoop]: Abstraction has has 182 places, 546 transitions, 4044 flow [2021-08-13 00:03:15,801 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 116.33333333333333) internal successors, (698), 6 states have internal predecessors, (698), 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) [2021-08-13 00:03:15,801 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 00:03:15,801 INFO L266 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-13 00:03:15,801 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-08-13 00:03:15,801 INFO L430 AbstractCegarLoop]: === Iteration 6 === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-08-13 00:03:15,802 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 00:03:15,802 INFO L82 PathProgramCache]: Analyzing trace with hash 1846249552, now seen corresponding path program 1 times [2021-08-13 00:03:15,802 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 00:03:15,802 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [202474718] [2021-08-13 00:03:15,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 00:03:15,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 00:03:15,907 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 00:03:15,907 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 00:03:15,908 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 00:03:15,908 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 00:03:15,910 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 00:03:15,910 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 00:03:15,914 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 00:03:15,915 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 00:03:15,920 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 00:03:15,920 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 00:03:15,931 INFO L142 QuantifierPusher]: treesize reduction 10, result has 82.5 percent of original size [2021-08-13 00:03:15,932 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-13 00:03:15,997 INFO L142 QuantifierPusher]: treesize reduction 21, result has 74.1 percent of original size [2021-08-13 00:03:16,000 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-08-13 00:03:16,028 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-08-13 00:03:16,028 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-08-13 00:03:16,043 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 00:03:16,043 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-13 00:03:16,051 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 00:03:16,051 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-13 00:03:16,060 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 00:03:16,060 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 00:03:16,060 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-13 00:03:16,061 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 00:03:16,061 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [202474718] [2021-08-13 00:03:16,061 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [202474718] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-13 00:03:16,061 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-13 00:03:16,061 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-08-13 00:03:16,061 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1327637946] [2021-08-13 00:03:16,062 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-08-13 00:03:16,062 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 00:03:16,062 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-08-13 00:03:16,062 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2021-08-13 00:03:16,063 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 106 out of 128 [2021-08-13 00:03:16,064 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 182 places, 546 transitions, 4044 flow. Second operand has 11 states, 11 states have (on average 107.27272727272727) internal successors, (1180), 11 states have internal predecessors, (1180), 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) [2021-08-13 00:03:16,064 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 00:03:16,064 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 106 of 128 [2021-08-13 00:03:16,064 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 00:03:19,038 INFO L129 PetriNetUnfolder]: 8399/25116 cut-off events. [2021-08-13 00:03:19,038 INFO L130 PetriNetUnfolder]: For 13065/15071 co-relation queries the response was YES. [2021-08-13 00:03:19,143 INFO L84 FinitePrefix]: Finished finitePrefix Result has 63093 conditions, 25116 events. 8399/25116 cut-off events. For 13065/15071 co-relation queries the response was YES. Maximal size of possible extension queue 1695. Compared 332268 event pairs, 620 based on Foata normal form. 30/25038 useless extension candidates. Maximal degree in co-relation 63015. Up to 5908 conditions per place. [2021-08-13 00:03:19,164 INFO L132 encePairwiseOnDemand]: 115/128 looper letters, 35 selfloop transitions, 20 changer transitions 858/1015 dead transitions. [2021-08-13 00:03:19,165 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 199 places, 1015 transitions, 10028 flow [2021-08-13 00:03:19,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-08-13 00:03:19,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2021-08-13 00:03:19,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 1972 transitions. [2021-08-13 00:03:19,169 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.8559027777777778 [2021-08-13 00:03:19,169 INFO L72 ComplementDD]: Start complementDD. Operand 18 states and 1972 transitions. [2021-08-13 00:03:19,169 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 1972 transitions. [2021-08-13 00:03:19,170 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 00:03:19,170 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 18 states and 1972 transitions. [2021-08-13 00:03:19,173 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 19 states, 18 states have (on average 109.55555555555556) internal successors, (1972), 18 states have internal predecessors, (1972), 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) [2021-08-13 00:03:19,175 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 19 states, 19 states have (on average 128.0) internal successors, (2432), 19 states have internal predecessors, (2432), 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) [2021-08-13 00:03:19,176 INFO L81 ComplementDD]: Finished complementDD. Result has 19 states, 19 states have (on average 128.0) internal successors, (2432), 19 states have internal predecessors, (2432), 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) [2021-08-13 00:03:19,176 INFO L348 CegarLoopForPetriNet]: 135 programPoint places, 64 predicate places. [2021-08-13 00:03:19,176 INFO L482 AbstractCegarLoop]: Abstraction has has 199 places, 1015 transitions, 10028 flow [2021-08-13 00:03:19,177 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 107.27272727272727) internal successors, (1180), 11 states have internal predecessors, (1180), 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) [2021-08-13 00:03:19,177 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 00:03:19,177 INFO L266 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-13 00:03:19,177 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-08-13 00:03:19,177 INFO L430 AbstractCegarLoop]: === Iteration 7 === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-08-13 00:03:19,177 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 00:03:19,178 INFO L82 PathProgramCache]: Analyzing trace with hash -1564376764, now seen corresponding path program 1 times [2021-08-13 00:03:19,178 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 00:03:19,178 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [717162763] [2021-08-13 00:03:19,178 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 00:03:19,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 00:03:19,229 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 00:03:19,229 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 00:03:19,230 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 00:03:19,230 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 00:03:19,232 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 00:03:19,232 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 00:03:19,237 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 00:03:19,238 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 00:03:19,244 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 00:03:19,244 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 00:03:19,253 INFO L142 QuantifierPusher]: treesize reduction 26, result has 59.4 percent of original size [2021-08-13 00:03:19,254 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-08-13 00:03:19,275 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-08-13 00:03:19,275 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-08-13 00:03:19,289 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 00:03:19,290 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-13 00:03:19,298 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 00:03:19,299 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-13 00:03:19,308 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 00:03:19,310 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 00:03:19,311 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-13 00:03:19,311 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 00:03:19,311 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [717162763] [2021-08-13 00:03:19,311 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [717162763] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-13 00:03:19,311 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-13 00:03:19,311 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-08-13 00:03:19,311 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [244971686] [2021-08-13 00:03:19,312 INFO L462 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-08-13 00:03:19,312 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 00:03:19,312 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-08-13 00:03:19,312 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2021-08-13 00:03:19,315 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 108 out of 128 [2021-08-13 00:03:19,316 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 199 places, 1015 transitions, 10028 flow. Second operand has 10 states, 10 states have (on average 109.3) internal successors, (1093), 10 states have internal predecessors, (1093), 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) [2021-08-13 00:03:19,316 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 00:03:19,316 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 108 of 128 [2021-08-13 00:03:19,316 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 00:03:23,850 INFO L129 PetriNetUnfolder]: 10272/30790 cut-off events. [2021-08-13 00:03:23,851 INFO L130 PetriNetUnfolder]: For 23849/28583 co-relation queries the response was YES. [2021-08-13 00:03:23,984 INFO L84 FinitePrefix]: Finished finitePrefix Result has 87597 conditions, 30790 events. 10272/30790 cut-off events. For 23849/28583 co-relation queries the response was YES. Maximal size of possible extension queue 2119. Compared 418956 event pairs, 650 based on Foata normal form. 56/30734 useless extension candidates. Maximal degree in co-relation 87513. Up to 7561 conditions per place. [2021-08-13 00:03:24,010 INFO L132 encePairwiseOnDemand]: 117/128 looper letters, 43 selfloop transitions, 26 changer transitions 1296/1469 dead transitions. [2021-08-13 00:03:24,010 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 211 places, 1469 transitions, 17808 flow [2021-08-13 00:03:24,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-08-13 00:03:24,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-08-13 00:03:24,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1469 transitions. [2021-08-13 00:03:24,013 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.8828125 [2021-08-13 00:03:24,013 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 1469 transitions. [2021-08-13 00:03:24,013 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 1469 transitions. [2021-08-13 00:03:24,014 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 00:03:24,014 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 1469 transitions. [2021-08-13 00:03:24,016 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 113.0) internal successors, (1469), 13 states have internal predecessors, (1469), 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) [2021-08-13 00:03:24,018 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 128.0) internal successors, (1792), 14 states have internal predecessors, (1792), 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) [2021-08-13 00:03:24,018 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 128.0) internal successors, (1792), 14 states have internal predecessors, (1792), 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) [2021-08-13 00:03:24,019 INFO L348 CegarLoopForPetriNet]: 135 programPoint places, 76 predicate places. [2021-08-13 00:03:24,019 INFO L482 AbstractCegarLoop]: Abstraction has has 211 places, 1469 transitions, 17808 flow [2021-08-13 00:03:24,019 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 109.3) internal successors, (1093), 10 states have internal predecessors, (1093), 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) [2021-08-13 00:03:24,019 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 00:03:24,019 INFO L266 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-13 00:03:24,019 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-08-13 00:03:24,019 INFO L430 AbstractCegarLoop]: === Iteration 8 === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-08-13 00:03:24,020 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 00:03:24,020 INFO L82 PathProgramCache]: Analyzing trace with hash -145088554, now seen corresponding path program 2 times [2021-08-13 00:03:24,020 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 00:03:24,020 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [264974336] [2021-08-13 00:03:24,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 00:03:24,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 00:03:24,072 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 00:03:24,072 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 00:03:24,072 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 00:03:24,073 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 00:03:24,075 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 00:03:24,075 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 00:03:24,078 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 00:03:24,079 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 00:03:24,084 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 00:03:24,084 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 00:03:24,096 INFO L142 QuantifierPusher]: treesize reduction 38, result has 68.3 percent of original size [2021-08-13 00:03:24,097 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 82 [2021-08-13 00:03:24,127 INFO L142 QuantifierPusher]: treesize reduction 47, result has 64.1 percent of original size [2021-08-13 00:03:24,128 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-08-13 00:03:24,157 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-08-13 00:03:24,158 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-08-13 00:03:24,171 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 00:03:24,172 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-13 00:03:24,179 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 00:03:24,180 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-13 00:03:24,188 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 00:03:24,188 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 00:03:24,188 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-13 00:03:24,189 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 00:03:24,189 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [264974336] [2021-08-13 00:03:24,189 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [264974336] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-13 00:03:24,189 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-13 00:03:24,189 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-08-13 00:03:24,189 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1467694135] [2021-08-13 00:03:24,189 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-08-13 00:03:24,190 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 00:03:24,190 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-08-13 00:03:24,190 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2021-08-13 00:03:24,191 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 107 out of 128 [2021-08-13 00:03:24,192 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 211 places, 1469 transitions, 17808 flow. Second operand has 11 states, 11 states have (on average 108.27272727272727) internal successors, (1191), 11 states have internal predecessors, (1191), 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) [2021-08-13 00:03:24,192 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 00:03:24,192 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 107 of 128 [2021-08-13 00:03:24,192 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 00:03:30,298 INFO L129 PetriNetUnfolder]: 11482/34906 cut-off events. [2021-08-13 00:03:30,298 INFO L130 PetriNetUnfolder]: For 35072/40616 co-relation queries the response was YES. [2021-08-13 00:03:30,456 INFO L84 FinitePrefix]: Finished finitePrefix Result has 110320 conditions, 34906 events. 11482/34906 cut-off events. For 35072/40616 co-relation queries the response was YES. Maximal size of possible extension queue 2446. Compared 488527 event pairs, 661 based on Foata normal form. 102/34900 useless extension candidates. Maximal degree in co-relation 110229. Up to 8741 conditions per place. [2021-08-13 00:03:30,487 INFO L132 encePairwiseOnDemand]: 117/128 looper letters, 45 selfloop transitions, 31 changer transitions 1554/1733 dead transitions. [2021-08-13 00:03:30,487 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 229 places, 1733 transitions, 24418 flow [2021-08-13 00:03:30,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-08-13 00:03:30,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2021-08-13 00:03:30,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 2112 transitions. [2021-08-13 00:03:30,501 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.868421052631579 [2021-08-13 00:03:30,501 INFO L72 ComplementDD]: Start complementDD. Operand 19 states and 2112 transitions. [2021-08-13 00:03:30,501 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 2112 transitions. [2021-08-13 00:03:30,502 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 00:03:30,502 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 19 states and 2112 transitions. [2021-08-13 00:03:30,506 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 20 states, 19 states have (on average 111.15789473684211) internal successors, (2112), 19 states have internal predecessors, (2112), 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) [2021-08-13 00:03:30,508 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 20 states, 20 states have (on average 128.0) internal successors, (2560), 20 states have internal predecessors, (2560), 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) [2021-08-13 00:03:30,508 INFO L81 ComplementDD]: Finished complementDD. Result has 20 states, 20 states have (on average 128.0) internal successors, (2560), 20 states have internal predecessors, (2560), 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) [2021-08-13 00:03:30,509 INFO L348 CegarLoopForPetriNet]: 135 programPoint places, 94 predicate places. [2021-08-13 00:03:30,509 INFO L482 AbstractCegarLoop]: Abstraction has has 229 places, 1733 transitions, 24418 flow [2021-08-13 00:03:30,509 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 108.27272727272727) internal successors, (1191), 11 states have internal predecessors, (1191), 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) [2021-08-13 00:03:30,509 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 00:03:30,509 INFO L266 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-13 00:03:30,509 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-08-13 00:03:30,509 INFO L430 AbstractCegarLoop]: === Iteration 9 === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-08-13 00:03:30,510 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 00:03:30,510 INFO L82 PathProgramCache]: Analyzing trace with hash -1392233552, now seen corresponding path program 3 times [2021-08-13 00:03:30,510 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 00:03:30,510 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2032406105] [2021-08-13 00:03:30,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 00:03:30,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 00:03:30,555 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 00:03:30,556 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 00:03:30,556 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 00:03:30,556 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 00:03:30,558 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 00:03:30,559 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 00:03:30,562 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 00:03:30,563 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 00:03:30,569 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 00:03:30,569 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 00:03:30,579 INFO L142 QuantifierPusher]: treesize reduction 58, result has 59.2 percent of original size [2021-08-13 00:03:30,580 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-08-13 00:03:30,605 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-08-13 00:03:30,605 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-08-13 00:03:30,617 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 00:03:30,618 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-13 00:03:30,624 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 00:03:30,625 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-13 00:03:30,632 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 00:03:30,632 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 00:03:30,632 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-13 00:03:30,632 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 00:03:30,632 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2032406105] [2021-08-13 00:03:30,633 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2032406105] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-13 00:03:30,633 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-13 00:03:30,633 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-08-13 00:03:30,633 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1685321014] [2021-08-13 00:03:30,633 INFO L462 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-08-13 00:03:30,633 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 00:03:30,633 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-08-13 00:03:30,633 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2021-08-13 00:03:30,634 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 107 out of 128 [2021-08-13 00:03:30,635 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 229 places, 1733 transitions, 24418 flow. Second operand has 10 states, 10 states have (on average 108.4) internal successors, (1084), 10 states have internal predecessors, (1084), 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) [2021-08-13 00:03:30,635 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 00:03:30,635 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 107 of 128 [2021-08-13 00:03:30,635 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 00:03:37,943 INFO L129 PetriNetUnfolder]: 12584/39077 cut-off events. [2021-08-13 00:03:37,943 INFO L130 PetriNetUnfolder]: For 53203/60171 co-relation queries the response was YES. [2021-08-13 00:03:38,154 INFO L84 FinitePrefix]: Finished finitePrefix Result has 135967 conditions, 39077 events. 12584/39077 cut-off events. For 53203/60171 co-relation queries the response was YES. Maximal size of possible extension queue 2799. Compared 561896 event pairs, 623 based on Foata normal form. 134/39105 useless extension candidates. Maximal degree in co-relation 135869. Up to 10033 conditions per place. [2021-08-13 00:03:38,188 INFO L132 encePairwiseOnDemand]: 118/128 looper letters, 65 selfloop transitions, 25 changer transitions 1950/2143 dead transitions. [2021-08-13 00:03:38,189 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 240 places, 2143 transitions, 34694 flow [2021-08-13 00:03:38,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-08-13 00:03:38,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-08-13 00:03:38,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 1340 transitions. [2021-08-13 00:03:38,190 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.8723958333333334 [2021-08-13 00:03:38,190 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 1340 transitions. [2021-08-13 00:03:38,190 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 1340 transitions. [2021-08-13 00:03:38,191 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 00:03:38,191 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 1340 transitions. [2021-08-13 00:03:38,192 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 111.66666666666667) internal successors, (1340), 12 states have internal predecessors, (1340), 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) [2021-08-13 00:03:38,194 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 128.0) internal successors, (1664), 13 states have internal predecessors, (1664), 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) [2021-08-13 00:03:38,194 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 128.0) internal successors, (1664), 13 states have internal predecessors, (1664), 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) [2021-08-13 00:03:38,194 INFO L348 CegarLoopForPetriNet]: 135 programPoint places, 105 predicate places. [2021-08-13 00:03:38,194 INFO L482 AbstractCegarLoop]: Abstraction has has 240 places, 2143 transitions, 34694 flow [2021-08-13 00:03:38,195 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 108.4) internal successors, (1084), 10 states have internal predecessors, (1084), 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) [2021-08-13 00:03:38,195 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 00:03:38,195 INFO L266 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-13 00:03:38,195 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-08-13 00:03:38,195 INFO L430 AbstractCegarLoop]: === Iteration 10 === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-08-13 00:03:38,195 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 00:03:38,195 INFO L82 PathProgramCache]: Analyzing trace with hash -487982285, now seen corresponding path program 1 times [2021-08-13 00:03:38,195 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 00:03:38,195 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [574238547] [2021-08-13 00:03:38,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 00:03:38,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 00:03:38,272 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 00:03:38,272 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 00:03:38,274 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 00:03:38,274 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 00:03:38,277 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 00:03:38,277 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 00:03:38,283 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 00:03:38,284 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 00:03:38,291 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 00:03:38,291 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 00:03:38,302 INFO L142 QuantifierPusher]: treesize reduction 21, result has 75.9 percent of original size [2021-08-13 00:03:38,303 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 66 [2021-08-13 00:03:38,310 INFO L142 QuantifierPusher]: treesize reduction 21, result has 76.7 percent of original size [2021-08-13 00:03:38,312 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-08-13 00:03:38,344 INFO L142 QuantifierPusher]: treesize reduction 21, result has 75.0 percent of original size [2021-08-13 00:03:38,345 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 63 [2021-08-13 00:03:38,378 INFO L142 QuantifierPusher]: treesize reduction 47, result has 64.1 percent of original size [2021-08-13 00:03:38,379 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-08-13 00:03:38,412 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-08-13 00:03:38,412 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-08-13 00:03:38,427 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 00:03:38,427 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-13 00:03:38,435 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 00:03:38,435 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-13 00:03:38,444 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 00:03:38,445 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 00:03:38,445 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-13 00:03:38,445 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 00:03:38,445 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [574238547] [2021-08-13 00:03:38,445 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [574238547] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-13 00:03:38,445 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-13 00:03:38,445 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-08-13 00:03:38,445 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [102641897] [2021-08-13 00:03:38,446 INFO L462 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-08-13 00:03:38,446 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 00:03:38,446 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-08-13 00:03:38,446 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2021-08-13 00:03:38,447 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 106 out of 128 [2021-08-13 00:03:38,448 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 240 places, 2143 transitions, 34694 flow. Second operand has 12 states, 12 states have (on average 107.33333333333333) internal successors, (1288), 12 states have internal predecessors, (1288), 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) [2021-08-13 00:03:38,448 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 00:03:38,448 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 106 of 128 [2021-08-13 00:03:38,448 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 00:03:40,777 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 25 [2021-08-13 00:03:49,506 INFO L129 PetriNetUnfolder]: 14552/46116 cut-off events. [2021-08-13 00:03:49,507 INFO L130 PetriNetUnfolder]: For 79586/90243 co-relation queries the response was YES. [2021-08-13 00:03:49,730 INFO L84 FinitePrefix]: Finished finitePrefix Result has 173562 conditions, 46116 events. 14552/46116 cut-off events. For 79586/90243 co-relation queries the response was YES. Maximal size of possible extension queue 3363. Compared 685726 event pairs, 671 based on Foata normal form. 102/46112 useless extension candidates. Maximal degree in co-relation 173456. Up to 11768 conditions per place. [2021-08-13 00:03:49,768 INFO L132 encePairwiseOnDemand]: 116/128 looper letters, 69 selfloop transitions, 28 changer transitions 2505/2704 dead transitions. [2021-08-13 00:03:49,769 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 256 places, 2704 transitions, 49518 flow [2021-08-13 00:03:49,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-08-13 00:03:49,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2021-08-13 00:03:49,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 1873 transitions. [2021-08-13 00:03:49,770 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.8607536764705882 [2021-08-13 00:03:49,770 INFO L72 ComplementDD]: Start complementDD. Operand 17 states and 1873 transitions. [2021-08-13 00:03:49,771 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 1873 transitions. [2021-08-13 00:03:49,771 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 00:03:49,771 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 17 states and 1873 transitions. [2021-08-13 00:03:49,773 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 18 states, 17 states have (on average 110.17647058823529) internal successors, (1873), 17 states have internal predecessors, (1873), 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) [2021-08-13 00:03:49,775 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 18 states, 18 states have (on average 128.0) internal successors, (2304), 18 states have internal predecessors, (2304), 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) [2021-08-13 00:03:49,775 INFO L81 ComplementDD]: Finished complementDD. Result has 18 states, 18 states have (on average 128.0) internal successors, (2304), 18 states have internal predecessors, (2304), 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) [2021-08-13 00:03:49,775 INFO L348 CegarLoopForPetriNet]: 135 programPoint places, 121 predicate places. [2021-08-13 00:03:49,776 INFO L482 AbstractCegarLoop]: Abstraction has has 256 places, 2704 transitions, 49518 flow [2021-08-13 00:03:49,776 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 107.33333333333333) internal successors, (1288), 12 states have internal predecessors, (1288), 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) [2021-08-13 00:03:49,776 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 00:03:49,776 INFO L266 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-13 00:03:49,776 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-08-13 00:03:49,776 INFO L430 AbstractCegarLoop]: === Iteration 11 === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-08-13 00:03:49,776 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 00:03:49,777 INFO L82 PathProgramCache]: Analyzing trace with hash -244712431, now seen corresponding path program 2 times [2021-08-13 00:03:49,777 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 00:03:49,777 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [30709501] [2021-08-13 00:03:49,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 00:03:49,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 00:03:49,835 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 00:03:49,835 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 00:03:49,836 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 00:03:49,836 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 00:03:49,838 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 00:03:49,838 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 00:03:49,843 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 00:03:49,844 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 00:03:49,849 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 00:03:49,850 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-08-13 00:03:49,857 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 00:03:49,857 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-08-13 00:03:49,867 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 00:03:49,867 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-08-13 00:03:49,875 INFO L142 QuantifierPusher]: treesize reduction 18, result has 60.9 percent of original size [2021-08-13 00:03:49,878 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-08-13 00:03:49,894 INFO L142 QuantifierPusher]: treesize reduction 12, result has 87.4 percent of original size [2021-08-13 00:03:49,895 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 83 [2021-08-13 00:03:49,919 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-08-13 00:03:49,921 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-08-13 00:03:49,935 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 00:03:49,935 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-13 00:03:49,943 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 00:03:49,943 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-13 00:03:49,951 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 00:03:49,952 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 00:03:49,952 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-13 00:03:49,952 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 00:03:49,952 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [30709501] [2021-08-13 00:03:49,953 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [30709501] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-13 00:03:49,954 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-13 00:03:49,954 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-08-13 00:03:49,954 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1957621721] [2021-08-13 00:03:49,954 INFO L462 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-08-13 00:03:49,954 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 00:03:49,954 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-08-13 00:03:49,954 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=116, Unknown=0, NotChecked=0, Total=156 [2021-08-13 00:03:49,955 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 108 out of 128 [2021-08-13 00:03:49,961 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 256 places, 2704 transitions, 49518 flow. Second operand has 13 states, 13 states have (on average 109.15384615384616) internal successors, (1419), 13 states have internal predecessors, (1419), 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) [2021-08-13 00:03:49,961 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 00:03:49,961 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 108 of 128 [2021-08-13 00:03:49,961 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 00:04:05,430 INFO L129 PetriNetUnfolder]: 14984/49077 cut-off events. [2021-08-13 00:04:05,431 INFO L130 PetriNetUnfolder]: For 101803/112446 co-relation queries the response was YES. [2021-08-13 00:04:05,738 INFO L84 FinitePrefix]: Finished finitePrefix Result has 197152 conditions, 49077 events. 14984/49077 cut-off events. For 101803/112446 co-relation queries the response was YES. Maximal size of possible extension queue 3597. Compared 746661 event pairs, 651 based on Foata normal form. 189/49156 useless extension candidates. Maximal degree in co-relation 197039. Up to 12299 conditions per place. [2021-08-13 00:04:05,782 INFO L132 encePairwiseOnDemand]: 118/128 looper letters, 78 selfloop transitions, 26 changer transitions 2822/3029 dead transitions. [2021-08-13 00:04:05,782 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 268 places, 3029 transitions, 61732 flow [2021-08-13 00:04:05,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-08-13 00:04:05,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-08-13 00:04:05,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1453 transitions. [2021-08-13 00:04:05,784 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.8731971153846154 [2021-08-13 00:04:05,784 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 1453 transitions. [2021-08-13 00:04:05,784 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 1453 transitions. [2021-08-13 00:04:05,784 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 00:04:05,784 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 1453 transitions. [2021-08-13 00:04:05,786 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 111.76923076923077) internal successors, (1453), 13 states have internal predecessors, (1453), 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) [2021-08-13 00:04:05,787 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 128.0) internal successors, (1792), 14 states have internal predecessors, (1792), 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) [2021-08-13 00:04:05,788 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 128.0) internal successors, (1792), 14 states have internal predecessors, (1792), 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) [2021-08-13 00:04:05,788 INFO L348 CegarLoopForPetriNet]: 135 programPoint places, 133 predicate places. [2021-08-13 00:04:05,788 INFO L482 AbstractCegarLoop]: Abstraction has has 268 places, 3029 transitions, 61732 flow [2021-08-13 00:04:05,788 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 109.15384615384616) internal successors, (1419), 13 states have internal predecessors, (1419), 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) [2021-08-13 00:04:05,788 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 00:04:05,788 INFO L266 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-13 00:04:05,788 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-08-13 00:04:05,788 INFO L430 AbstractCegarLoop]: === Iteration 12 === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-08-13 00:04:05,789 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 00:04:05,789 INFO L82 PathProgramCache]: Analyzing trace with hash -1069574921, now seen corresponding path program 1 times [2021-08-13 00:04:05,789 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 00:04:05,789 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1038077664] [2021-08-13 00:04:05,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 00:04:05,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 00:04:05,824 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 00:04:05,825 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 00:04:05,825 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 00:04:05,825 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 00:04:05,827 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.8 percent of original size [2021-08-13 00:04:05,828 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-08-13 00:04:05,838 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 00:04:05,838 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 00:04:05,844 INFO L142 QuantifierPusher]: treesize reduction 11, result has 45.0 percent of original size [2021-08-13 00:04:05,844 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-13 00:04:05,849 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 00:04:05,850 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 00:04:05,850 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-13 00:04:05,850 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 00:04:05,850 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1038077664] [2021-08-13 00:04:05,850 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1038077664] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-13 00:04:05,852 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-13 00:04:05,852 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-08-13 00:04:05,852 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [58942122] [2021-08-13 00:04:05,852 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-08-13 00:04:05,852 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 00:04:05,852 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-08-13 00:04:05,853 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-08-13 00:04:05,853 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 113 out of 128 [2021-08-13 00:04:05,853 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 268 places, 3029 transitions, 61732 flow. Second operand has 6 states, 6 states have (on average 114.16666666666667) internal successors, (685), 6 states have internal predecessors, (685), 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) [2021-08-13 00:04:05,854 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 00:04:05,854 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 113 of 128 [2021-08-13 00:04:05,854 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 00:04:34,859 INFO L129 PetriNetUnfolder]: 15997/55697 cut-off events. [2021-08-13 00:04:34,859 INFO L130 PetriNetUnfolder]: For 83825/91987 co-relation queries the response was YES. [2021-08-13 00:04:35,263 INFO L84 FinitePrefix]: Finished finitePrefix Result has 211088 conditions, 55697 events. 15997/55697 cut-off events. For 83825/91987 co-relation queries the response was YES. Maximal size of possible extension queue 3944. Compared 882899 event pairs, 2509 based on Foata normal form. 65/53818 useless extension candidates. Maximal degree in co-relation 210972. Up to 17025 conditions per place. [2021-08-13 00:04:35,411 INFO L132 encePairwiseOnDemand]: 117/128 looper letters, 29 selfloop transitions, 20 changer transitions 621/1777 dead transitions. [2021-08-13 00:04:35,411 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 268 places, 1777 transitions, 34860 flow [2021-08-13 00:04:35,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-08-13 00:04:35,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-08-13 00:04:35,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1181 transitions. [2021-08-13 00:04:35,413 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.92265625 [2021-08-13 00:04:35,413 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 1181 transitions. [2021-08-13 00:04:35,413 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 1181 transitions. [2021-08-13 00:04:35,413 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 00:04:35,413 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 1181 transitions. [2021-08-13 00:04:35,415 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 118.1) internal successors, (1181), 10 states have internal predecessors, (1181), 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) [2021-08-13 00:04:35,415 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 128.0) internal successors, (1408), 11 states have internal predecessors, (1408), 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) [2021-08-13 00:04:35,416 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 128.0) internal successors, (1408), 11 states have internal predecessors, (1408), 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) [2021-08-13 00:04:35,416 INFO L348 CegarLoopForPetriNet]: 135 programPoint places, 133 predicate places. [2021-08-13 00:04:35,416 INFO L482 AbstractCegarLoop]: Abstraction has has 268 places, 1777 transitions, 34860 flow [2021-08-13 00:04:35,416 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 114.16666666666667) internal successors, (685), 6 states have internal predecessors, (685), 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) [2021-08-13 00:04:35,416 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 00:04:35,416 INFO L266 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-13 00:04:35,416 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-08-13 00:04:35,416 INFO L430 AbstractCegarLoop]: === Iteration 13 === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-08-13 00:04:35,417 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 00:04:35,417 INFO L82 PathProgramCache]: Analyzing trace with hash 902943597, now seen corresponding path program 1 times [2021-08-13 00:04:35,417 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 00:04:35,417 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1575201696] [2021-08-13 00:04:35,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 00:04:35,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 00:04:35,463 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 00:04:35,463 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 00:04:35,463 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 00:04:35,464 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 00:04:35,466 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 00:04:35,466 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 00:04:35,469 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.8 percent of original size [2021-08-13 00:04:35,470 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-08-13 00:04:35,480 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 00:04:35,480 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 00:04:35,485 INFO L142 QuantifierPusher]: treesize reduction 11, result has 45.0 percent of original size [2021-08-13 00:04:35,485 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-13 00:04:35,500 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 00:04:35,501 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 00:04:35,501 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-13 00:04:35,501 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 00:04:35,501 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1575201696] [2021-08-13 00:04:35,501 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1575201696] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-13 00:04:35,501 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-13 00:04:35,501 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-08-13 00:04:35,501 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [16273956] [2021-08-13 00:04:35,502 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-08-13 00:04:35,502 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 00:04:35,502 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-08-13 00:04:35,502 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-08-13 00:04:35,503 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 113 out of 128 [2021-08-13 00:04:35,503 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 268 places, 1777 transitions, 34860 flow. Second operand has 7 states, 7 states have (on average 114.14285714285714) internal successors, (799), 7 states have internal predecessors, (799), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 00:04:35,503 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 00:04:35,503 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 113 of 128 [2021-08-13 00:04:35,503 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 00:04:42,699 INFO L129 PetriNetUnfolder]: 5398/18262 cut-off events. [2021-08-13 00:04:42,699 INFO L130 PetriNetUnfolder]: For 23621/46297 co-relation queries the response was YES. [2021-08-13 00:04:42,793 INFO L84 FinitePrefix]: Finished finitePrefix Result has 67640 conditions, 18262 events. 5398/18262 cut-off events. For 23621/46297 co-relation queries the response was YES. Maximal size of possible extension queue 1007. Compared 237978 event pairs, 413 based on Foata normal form. 1219/18629 useless extension candidates. Maximal degree in co-relation 67521. Up to 4451 conditions per place. [2021-08-13 00:04:42,830 INFO L132 encePairwiseOnDemand]: 117/128 looper letters, 52 selfloop transitions, 54 changer transitions 790/1197 dead transitions. [2021-08-13 00:04:42,831 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 280 places, 1197 transitions, 21472 flow [2021-08-13 00:04:42,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-08-13 00:04:42,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-08-13 00:04:42,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1537 transitions. [2021-08-13 00:04:42,832 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.9236778846153846 [2021-08-13 00:04:42,832 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 1537 transitions. [2021-08-13 00:04:42,832 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 1537 transitions. [2021-08-13 00:04:42,833 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 00:04:42,833 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 1537 transitions. [2021-08-13 00:04:42,835 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 118.23076923076923) internal successors, (1537), 13 states have internal predecessors, (1537), 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) [2021-08-13 00:04:42,836 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 128.0) internal successors, (1792), 14 states have internal predecessors, (1792), 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) [2021-08-13 00:04:42,836 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 128.0) internal successors, (1792), 14 states have internal predecessors, (1792), 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) [2021-08-13 00:04:42,836 INFO L348 CegarLoopForPetriNet]: 135 programPoint places, 145 predicate places. [2021-08-13 00:04:42,836 INFO L482 AbstractCegarLoop]: Abstraction has has 280 places, 1197 transitions, 21472 flow [2021-08-13 00:04:42,836 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 114.14285714285714) internal successors, (799), 7 states have internal predecessors, (799), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-13 00:04:42,836 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 00:04:42,836 INFO L266 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-13 00:04:42,837 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-08-13 00:04:42,837 INFO L430 AbstractCegarLoop]: === Iteration 14 === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-08-13 00:04:42,837 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 00:04:42,837 INFO L82 PathProgramCache]: Analyzing trace with hash -1783149366, now seen corresponding path program 1 times [2021-08-13 00:04:42,837 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 00:04:42,837 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1257322997] [2021-08-13 00:04:42,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 00:04:42,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 00:04:42,870 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 00:04:42,870 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 00:04:42,871 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 00:04:42,871 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 00:04:42,873 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 00:04:42,873 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 00:04:42,875 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-08-13 00:04:42,876 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-08-13 00:04:42,887 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 00:04:42,887 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-13 00:04:42,893 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 00:04:42,893 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-13 00:04:42,900 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 00:04:42,900 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 00:04:42,900 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-13 00:04:42,900 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 00:04:42,900 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1257322997] [2021-08-13 00:04:42,900 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1257322997] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-13 00:04:42,900 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-13 00:04:42,901 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-08-13 00:04:42,901 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [648765742] [2021-08-13 00:04:42,901 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-08-13 00:04:42,901 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 00:04:42,901 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-08-13 00:04:42,901 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-08-13 00:04:42,902 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 114 out of 128 [2021-08-13 00:04:42,902 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 280 places, 1197 transitions, 21472 flow. Second operand has 7 states, 7 states have (on average 115.42857142857143) internal successors, (808), 7 states have internal predecessors, (808), 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) [2021-08-13 00:04:42,902 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 00:04:42,902 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 114 of 128 [2021-08-13 00:04:42,902 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 00:04:49,993 INFO L129 PetriNetUnfolder]: 10995/36446 cut-off events. [2021-08-13 00:04:49,993 INFO L130 PetriNetUnfolder]: For 96026/115147 co-relation queries the response was YES. [2021-08-13 00:04:50,225 INFO L84 FinitePrefix]: Finished finitePrefix Result has 141755 conditions, 36446 events. 10995/36446 cut-off events. For 96026/115147 co-relation queries the response was YES. Maximal size of possible extension queue 1962. Compared 519245 event pairs, 929 based on Foata normal form. 96/34887 useless extension candidates. Maximal degree in co-relation 141632. Up to 8950 conditions per place. [2021-08-13 00:04:50,275 INFO L132 encePairwiseOnDemand]: 122/128 looper letters, 145 selfloop transitions, 2 changer transitions 1595/2009 dead transitions. [2021-08-13 00:04:50,276 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 286 places, 2009 transitions, 42574 flow [2021-08-13 00:04:50,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-08-13 00:04:50,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-08-13 00:04:50,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 826 transitions. [2021-08-13 00:04:50,277 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.921875 [2021-08-13 00:04:50,277 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 826 transitions. [2021-08-13 00:04:50,277 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 826 transitions. [2021-08-13 00:04:50,277 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 00:04:50,277 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 826 transitions. [2021-08-13 00:04:50,278 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 118.0) internal successors, (826), 7 states have internal predecessors, (826), 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) [2021-08-13 00:04:50,279 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 128.0) internal successors, (1024), 8 states have internal predecessors, (1024), 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) [2021-08-13 00:04:50,279 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 128.0) internal successors, (1024), 8 states have internal predecessors, (1024), 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) [2021-08-13 00:04:50,279 INFO L348 CegarLoopForPetriNet]: 135 programPoint places, 151 predicate places. [2021-08-13 00:04:50,279 INFO L482 AbstractCegarLoop]: Abstraction has has 286 places, 2009 transitions, 42574 flow [2021-08-13 00:04:50,279 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 115.42857142857143) internal successors, (808), 7 states have internal predecessors, (808), 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) [2021-08-13 00:04:50,279 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 00:04:50,279 INFO L266 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-13 00:04:50,280 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-08-13 00:04:50,280 INFO L430 AbstractCegarLoop]: === Iteration 15 === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-08-13 00:04:50,280 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 00:04:50,280 INFO L82 PathProgramCache]: Analyzing trace with hash 300184780, now seen corresponding path program 2 times [2021-08-13 00:04:50,280 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 00:04:50,280 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2017818359] [2021-08-13 00:04:50,280 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 00:04:50,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 00:04:50,314 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 00:04:50,315 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 00:04:50,315 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 00:04:50,315 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 00:04:50,318 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-08-13 00:04:50,318 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-08-13 00:04:50,329 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 00:04:50,329 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-13 00:04:50,334 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 00:04:50,334 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-13 00:04:50,340 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 00:04:50,340 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 00:04:50,341 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-13 00:04:50,341 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 00:04:50,341 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2017818359] [2021-08-13 00:04:50,341 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2017818359] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-13 00:04:50,341 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-13 00:04:50,341 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-08-13 00:04:50,341 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1631804997] [2021-08-13 00:04:50,341 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-08-13 00:04:50,341 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 00:04:50,341 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-08-13 00:04:50,342 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-08-13 00:04:50,342 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 115 out of 128 [2021-08-13 00:04:50,342 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 286 places, 2009 transitions, 42574 flow. Second operand has 6 states, 6 states have (on average 116.33333333333333) internal successors, (698), 6 states have internal predecessors, (698), 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) [2021-08-13 00:04:50,342 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 00:04:50,343 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 115 of 128 [2021-08-13 00:04:50,343 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 00:05:11,893 INFO L129 PetriNetUnfolder]: 18898/66711 cut-off events. [2021-08-13 00:05:11,893 INFO L130 PetriNetUnfolder]: For 237010/266312 co-relation queries the response was YES. [2021-08-13 00:05:12,357 INFO L84 FinitePrefix]: Finished finitePrefix Result has 274684 conditions, 66711 events. 18898/66711 cut-off events. For 237010/266312 co-relation queries the response was YES. Maximal size of possible extension queue 3918. Compared 1065288 event pairs, 1499 based on Foata normal form. 121/63923 useless extension candidates. Maximal degree in co-relation 274558. Up to 16278 conditions per place. [2021-08-13 00:05:12,447 INFO L132 encePairwiseOnDemand]: 122/128 looper letters, 221 selfloop transitions, 39 changer transitions 3452/3974 dead transitions. [2021-08-13 00:05:12,447 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 294 places, 3974 transitions, 96946 flow [2021-08-13 00:05:12,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-13 00:05:12,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-08-13 00:05:12,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1065 transitions. [2021-08-13 00:05:12,448 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.9244791666666666 [2021-08-13 00:05:12,448 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1065 transitions. [2021-08-13 00:05:12,448 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1065 transitions. [2021-08-13 00:05:12,449 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 00:05:12,449 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1065 transitions. [2021-08-13 00:05:12,450 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 118.33333333333333) internal successors, (1065), 9 states have internal predecessors, (1065), 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) [2021-08-13 00:05:12,451 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 128.0) internal successors, (1280), 10 states have internal predecessors, (1280), 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) [2021-08-13 00:05:12,451 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 128.0) internal successors, (1280), 10 states have internal predecessors, (1280), 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) [2021-08-13 00:05:12,451 INFO L348 CegarLoopForPetriNet]: 135 programPoint places, 159 predicate places. [2021-08-13 00:05:12,451 INFO L482 AbstractCegarLoop]: Abstraction has has 294 places, 3974 transitions, 96946 flow [2021-08-13 00:05:12,451 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 116.33333333333333) internal successors, (698), 6 states have internal predecessors, (698), 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) [2021-08-13 00:05:12,451 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 00:05:12,451 INFO L266 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-13 00:05:12,451 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-08-13 00:05:12,451 INFO L430 AbstractCegarLoop]: === Iteration 16 === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-08-13 00:05:12,452 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 00:05:12,452 INFO L82 PathProgramCache]: Analyzing trace with hash 1999900896, now seen corresponding path program 1 times [2021-08-13 00:05:12,452 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 00:05:12,452 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [209623107] [2021-08-13 00:05:12,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 00:05:12,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 00:05:12,484 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 00:05:12,484 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 00:05:12,485 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 00:05:12,485 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 00:05:12,487 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 00:05:12,488 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 00:05:12,491 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 00:05:12,491 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 00:05:12,495 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.8 percent of original size [2021-08-13 00:05:12,495 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-08-13 00:05:12,506 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 00:05:12,506 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 00:05:12,512 INFO L142 QuantifierPusher]: treesize reduction 11, result has 45.0 percent of original size [2021-08-13 00:05:12,512 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-13 00:05:12,518 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 00:05:12,519 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 00:05:12,519 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-13 00:05:12,519 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 00:05:12,519 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [209623107] [2021-08-13 00:05:12,519 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [209623107] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-13 00:05:12,519 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-13 00:05:12,519 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-08-13 00:05:12,520 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [701482390] [2021-08-13 00:05:12,520 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-08-13 00:05:12,520 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 00:05:12,520 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-08-13 00:05:12,520 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-08-13 00:05:12,521 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 113 out of 128 [2021-08-13 00:05:12,521 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 294 places, 3974 transitions, 96946 flow. Second operand has 8 states, 8 states have (on average 114.125) internal successors, (913), 8 states have internal predecessors, (913), 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) [2021-08-13 00:05:12,521 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 00:05:12,521 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 113 of 128 [2021-08-13 00:05:12,521 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 00:05:59,474 INFO L129 PetriNetUnfolder]: 10050/27165 cut-off events. [2021-08-13 00:05:59,475 INFO L130 PetriNetUnfolder]: For 33448/151009 co-relation queries the response was YES. [2021-08-13 00:05:59,618 INFO L84 FinitePrefix]: Finished finitePrefix Result has 98114 conditions, 27165 events. 10050/27165 cut-off events. For 33448/151009 co-relation queries the response was YES. Maximal size of possible extension queue 3041. Compared 348851 event pairs, 60 based on Foata normal form. 5435/30762 useless extension candidates. Maximal degree in co-relation 97985. Up to 7666 conditions per place. [2021-08-13 00:05:59,665 INFO L132 encePairwiseOnDemand]: 117/128 looper letters, 33 selfloop transitions, 106 changer transitions 749/1060 dead transitions. [2021-08-13 00:05:59,665 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 266 places, 1060 transitions, 21314 flow [2021-08-13 00:05:59,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-08-13 00:05:59,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2021-08-13 00:05:59,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 1893 transitions. [2021-08-13 00:05:59,667 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.92431640625 [2021-08-13 00:05:59,667 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 1893 transitions. [2021-08-13 00:05:59,667 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 1893 transitions. [2021-08-13 00:05:59,667 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 00:05:59,667 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 1893 transitions. [2021-08-13 00:05:59,669 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 118.3125) internal successors, (1893), 16 states have internal predecessors, (1893), 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) [2021-08-13 00:05:59,670 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 128.0) internal successors, (2176), 17 states have internal predecessors, (2176), 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) [2021-08-13 00:05:59,671 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 128.0) internal successors, (2176), 17 states have internal predecessors, (2176), 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) [2021-08-13 00:05:59,671 INFO L348 CegarLoopForPetriNet]: 135 programPoint places, 131 predicate places. [2021-08-13 00:05:59,671 INFO L482 AbstractCegarLoop]: Abstraction has has 266 places, 1060 transitions, 21314 flow [2021-08-13 00:05:59,671 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 114.125) internal successors, (913), 8 states have internal predecessors, (913), 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) [2021-08-13 00:05:59,671 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 00:05:59,671 INFO L266 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-13 00:05:59,671 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-08-13 00:05:59,671 INFO L430 AbstractCegarLoop]: === Iteration 17 === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-08-13 00:05:59,672 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 00:05:59,672 INFO L82 PathProgramCache]: Analyzing trace with hash -897667621, now seen corresponding path program 1 times [2021-08-13 00:05:59,672 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 00:05:59,672 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2006534545] [2021-08-13 00:05:59,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 00:05:59,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-13 00:05:59,708 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 00:05:59,709 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 00:05:59,709 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 00:05:59,709 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 00:05:59,712 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 00:05:59,712 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 00:05:59,714 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 00:05:59,714 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 00:05:59,717 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 00:05:59,718 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-13 00:05:59,722 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.8 percent of original size [2021-08-13 00:05:59,723 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-08-13 00:05:59,735 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 00:05:59,735 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-13 00:05:59,742 INFO L142 QuantifierPusher]: treesize reduction 11, result has 45.0 percent of original size [2021-08-13 00:05:59,742 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-13 00:05:59,750 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-13 00:05:59,750 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-13 00:05:59,751 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-13 00:05:59,751 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-13 00:05:59,751 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2006534545] [2021-08-13 00:05:59,751 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2006534545] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-13 00:05:59,751 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-13 00:05:59,751 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-08-13 00:05:59,751 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [267319486] [2021-08-13 00:05:59,751 INFO L462 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-08-13 00:05:59,751 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-13 00:05:59,752 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-08-13 00:05:59,752 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-08-13 00:05:59,752 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 113 out of 128 [2021-08-13 00:05:59,753 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 266 places, 1060 transitions, 21314 flow. Second operand has 9 states, 9 states have (on average 114.11111111111111) internal successors, (1027), 9 states have internal predecessors, (1027), 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) [2021-08-13 00:05:59,753 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-13 00:05:59,753 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 113 of 128 [2021-08-13 00:05:59,753 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-13 00:06:05,708 INFO L129 PetriNetUnfolder]: 9361/22088 cut-off events. [2021-08-13 00:06:05,708 INFO L130 PetriNetUnfolder]: For 20502/168671 co-relation queries the response was YES. [2021-08-13 00:06:05,811 INFO L84 FinitePrefix]: Finished finitePrefix Result has 88095 conditions, 22088 events. 9361/22088 cut-off events. For 20502/168671 co-relation queries the response was YES. Maximal size of possible extension queue 3038. Compared 274282 event pairs, 48 based on Foata normal form. 5815/26171 useless extension candidates. Maximal degree in co-relation 87963. Up to 7292 conditions per place. [2021-08-13 00:06:05,827 INFO L132 encePairwiseOnDemand]: 117/128 looper letters, 28 selfloop transitions, 93 changer transitions 210/439 dead transitions. [2021-08-13 00:06:05,827 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 257 places, 439 transitions, 5320 flow [2021-08-13 00:06:05,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-08-13 00:06:05,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2021-08-13 00:06:05,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 2229 transitions. [2021-08-13 00:06:05,830 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.9165296052631579 [2021-08-13 00:06:05,830 INFO L72 ComplementDD]: Start complementDD. Operand 19 states and 2229 transitions. [2021-08-13 00:06:05,830 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 2229 transitions. [2021-08-13 00:06:05,830 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-13 00:06:05,831 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 19 states and 2229 transitions. [2021-08-13 00:06:05,833 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 20 states, 19 states have (on average 117.3157894736842) internal successors, (2229), 19 states have internal predecessors, (2229), 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) [2021-08-13 00:06:05,834 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 20 states, 20 states have (on average 128.0) internal successors, (2560), 20 states have internal predecessors, (2560), 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) [2021-08-13 00:06:05,835 INFO L81 ComplementDD]: Finished complementDD. Result has 20 states, 20 states have (on average 128.0) internal successors, (2560), 20 states have internal predecessors, (2560), 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) [2021-08-13 00:06:05,835 INFO L348 CegarLoopForPetriNet]: 135 programPoint places, 122 predicate places. [2021-08-13 00:06:05,835 INFO L482 AbstractCegarLoop]: Abstraction has has 257 places, 439 transitions, 5320 flow [2021-08-13 00:06:05,835 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 114.11111111111111) internal successors, (1027), 9 states have internal predecessors, (1027), 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) [2021-08-13 00:06:05,835 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-13 00:06:05,835 INFO L266 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-13 00:06:05,835 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-08-13 00:06:05,835 INFO L430 AbstractCegarLoop]: === Iteration 18 === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-08-13 00:06:05,835 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-13 00:06:05,835 INFO L82 PathProgramCache]: Analyzing trace with hash -1857783589, now seen corresponding path program 1 times [2021-08-13 00:06:05,836 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-13 00:06:05,836 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1856590170] [2021-08-13 00:06:05,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-13 00:06:05,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-13 00:06:05,855 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-13 00:06:05,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-13 00:06:05,881 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-13 00:06:05,917 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-13 00:06:05,917 INFO L651 BasicCegarLoop]: Counterexample might be feasible [2021-08-13 00:06:05,918 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-08-13 00:06:05,920 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-08-13 00:06:06,018 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.08 12:06:06 BasicIcfg [2021-08-13 00:06:06,018 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-08-13 00:06:06,019 INFO L168 Benchmark]: Toolchain (without parser) took 178074.05 ms. Allocated memory was 203.4 MB in the beginning and 4.7 GB in the end (delta: 4.5 GB). Free memory was 167.0 MB in the beginning and 2.9 GB in the end (delta: -2.7 GB). Peak memory consumption was 1.8 GB. Max. memory is 8.0 GB. [2021-08-13 00:06:06,019 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 203.4 MB. Free memory was 185.6 MB in the beginning and 185.5 MB in the end (delta: 147.8 kB). There was no memory consumed. Max. memory is 8.0 GB. [2021-08-13 00:06:06,019 INFO L168 Benchmark]: CACSL2BoogieTranslator took 482.72 ms. Allocated memory is still 203.4 MB. Free memory was 166.9 MB in the beginning and 161.4 MB in the end (delta: 5.4 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. [2021-08-13 00:06:06,019 INFO L168 Benchmark]: Boogie Procedure Inliner took 54.60 ms. Allocated memory is still 203.4 MB. Free memory was 161.4 MB in the beginning and 158.3 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2021-08-13 00:06:06,019 INFO L168 Benchmark]: Boogie Preprocessor took 49.46 ms. Allocated memory is still 203.4 MB. Free memory was 158.3 MB in the beginning and 155.7 MB in the end (delta: 2.6 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2021-08-13 00:06:06,019 INFO L168 Benchmark]: RCFGBuilder took 1347.75 ms. Allocated memory was 203.4 MB in the beginning and 244.3 MB in the end (delta: 40.9 MB). Free memory was 155.7 MB in the beginning and 202.4 MB in the end (delta: -46.8 MB). Peak memory consumption was 90.1 MB. Max. memory is 8.0 GB. [2021-08-13 00:06:06,019 INFO L168 Benchmark]: TraceAbstraction took 176134.39 ms. Allocated memory was 244.3 MB in the beginning and 4.7 GB in the end (delta: 4.4 GB). Free memory was 201.9 MB in the beginning and 2.9 GB in the end (delta: -2.7 GB). Peak memory consumption was 1.8 GB. Max. memory is 8.0 GB. [2021-08-13 00:06:06,020 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 203.4 MB. Free memory was 185.6 MB in the beginning and 185.5 MB in the end (delta: 147.8 kB). There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 482.72 ms. Allocated memory is still 203.4 MB. Free memory was 166.9 MB in the beginning and 161.4 MB in the end (delta: 5.4 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 54.60 ms. Allocated memory is still 203.4 MB. Free memory was 161.4 MB in the beginning and 158.3 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 49.46 ms. Allocated memory is still 203.4 MB. Free memory was 158.3 MB in the beginning and 155.7 MB in the end (delta: 2.6 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1347.75 ms. Allocated memory was 203.4 MB in the beginning and 244.3 MB in the end (delta: 40.9 MB). Free memory was 155.7 MB in the beginning and 202.4 MB in the end (delta: -46.8 MB). Peak memory consumption was 90.1 MB. Max. memory is 8.0 GB. * TraceAbstraction took 176134.39 ms. Allocated memory was 244.3 MB in the beginning and 4.7 GB in the end (delta: 4.4 GB). Free memory was 201.9 MB in the beginning and 2.9 GB in the end (delta: -2.7 GB). Peak memory consumption was 1.8 GB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 18]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L710] 0 int __unbuffered_cnt = 0; VAL [__unbuffered_cnt=0] [L712] 0 int __unbuffered_p3_EAX = 0; VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=0] [L714] 0 int __unbuffered_p3_EBX = 0; VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0] [L716] 0 int a = 0; VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0] [L718] 0 int b = 0; VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, b=0] [L719] 0 _Bool main$tmp_guard0; VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, b=0, main$tmp_guard0=0] [L720] 0 _Bool main$tmp_guard1; VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, b=0, main$tmp_guard0=0, main$tmp_guard1=0] [L722] 0 int x = 0; VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, b=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0] [L724] 0 int y = 0; VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, b=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0] [L726] 0 int z = 0; VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, b=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0] [L727] 0 _Bool z$flush_delayed; VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, b=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0, z$flush_delayed=0] [L728] 0 int z$mem_tmp; VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, b=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0] [L729] 0 _Bool z$r_buff0_thd0; VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, b=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0] [L730] 0 _Bool z$r_buff0_thd1; VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, b=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0] [L731] 0 _Bool z$r_buff0_thd2; VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, b=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0] [L732] 0 _Bool z$r_buff0_thd3; VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, b=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0] [L733] 0 _Bool z$r_buff0_thd4; VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, b=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0] [L734] 0 _Bool z$r_buff1_thd0; VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, b=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0] [L735] 0 _Bool z$r_buff1_thd1; VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, b=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0] [L736] 0 _Bool z$r_buff1_thd2; VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, b=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0] [L737] 0 _Bool z$r_buff1_thd3; VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, b=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0] [L738] 0 _Bool z$r_buff1_thd4; VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, b=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0] [L739] 0 _Bool z$read_delayed; VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, b=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0] [L740] 0 int *z$read_delayed_var; VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, b=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}] [L741] 0 int z$w_buff0; VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, b=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0] [L742] 0 _Bool z$w_buff0_used; VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, b=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0] [L743] 0 int z$w_buff1; VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, b=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0] [L744] 0 _Bool z$w_buff1_used; VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, b=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L745] 0 _Bool weak$$choice0; VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, b=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L746] 0 _Bool weak$$choice2; VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, b=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L844] 0 pthread_t t1253; VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, b=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L845] FCALL, FORK 0 pthread_create(&t1253, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, b=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L846] 0 pthread_t t1254; VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, b=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L847] FCALL, FORK 0 pthread_create(&t1254, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, b=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L848] 0 pthread_t t1255; VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L849] FCALL, FORK 0 pthread_create(&t1255, ((void *)0), P2, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L850] 0 pthread_t t1256; VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L851] FCALL, FORK 0 pthread_create(&t1256, ((void *)0), P3, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L800] 4 z$w_buff1 = z$w_buff0 [L801] 4 z$w_buff0 = 2 [L802] 4 z$w_buff1_used = z$w_buff0_used [L803] 4 z$w_buff0_used = (_Bool)1 [L18] COND FALSE 4 !(!expression) [L805] 4 z$r_buff1_thd0 = z$r_buff0_thd0 [L806] 4 z$r_buff1_thd1 = z$r_buff0_thd1 [L807] 4 z$r_buff1_thd2 = z$r_buff0_thd2 [L808] 4 z$r_buff1_thd3 = z$r_buff0_thd3 [L809] 4 z$r_buff1_thd4 = z$r_buff0_thd4 [L810] 4 z$r_buff0_thd4 = (_Bool)1 VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L813] 4 a = 1 VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L816] 4 __unbuffered_p3_EAX = a VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L819] 4 __unbuffered_p3_EBX = b VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L750] 1 b = 1 VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L753] 1 x = 1 VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L765] 2 x = 2 VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L768] 2 y = 1 VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=1, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L780] 3 y = 2 VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=2, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L783] 3 z = 1 VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=2, z=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L786] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd3 ? z$w_buff1 : z) [L786] EXPR 3 z$w_buff1_used && z$r_buff1_thd3 ? z$w_buff1 : z [L786] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd3 ? z$w_buff1 : z) [L786] 3 z = z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd3 ? z$w_buff1 : z) [L787] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$w_buff0_used [L787] 3 z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$w_buff0_used [L788] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 || z$w_buff1_used && z$r_buff1_thd3 ? (_Bool)0 : z$w_buff1_used [L788] 3 z$w_buff1_used = z$w_buff0_used && z$r_buff0_thd3 || z$w_buff1_used && z$r_buff1_thd3 ? (_Bool)0 : z$w_buff1_used [L789] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$r_buff0_thd3 [L789] 3 z$r_buff0_thd3 = z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$r_buff0_thd3 [L790] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 || z$w_buff1_used && z$r_buff1_thd3 ? (_Bool)0 : z$r_buff1_thd3 [L790] 3 z$r_buff1_thd3 = z$w_buff0_used && z$r_buff0_thd3 || z$w_buff1_used && z$r_buff1_thd3 ? (_Bool)0 : z$r_buff1_thd3 [L822] EXPR 4 z$w_buff0_used && z$r_buff0_thd4 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd4 ? z$w_buff1 : z) [L822] 4 z = z$w_buff0_used && z$r_buff0_thd4 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd4 ? z$w_buff1 : z) [L823] EXPR 4 z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : z$w_buff0_used [L823] 4 z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : z$w_buff0_used [L824] EXPR 4 z$w_buff0_used && z$r_buff0_thd4 || z$w_buff1_used && z$r_buff1_thd4 ? (_Bool)0 : z$w_buff1_used [L824] 4 z$w_buff1_used = z$w_buff0_used && z$r_buff0_thd4 || z$w_buff1_used && z$r_buff1_thd4 ? (_Bool)0 : z$w_buff1_used [L825] EXPR 4 z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : z$r_buff0_thd4 [L825] 4 z$r_buff0_thd4 = z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : z$r_buff0_thd4 [L826] EXPR 4 z$w_buff0_used && z$r_buff0_thd4 || z$w_buff1_used && z$r_buff1_thd4 ? (_Bool)0 : z$r_buff1_thd4 [L826] 4 z$r_buff1_thd4 = z$w_buff0_used && z$r_buff0_thd4 || z$w_buff1_used && z$r_buff1_thd4 ? (_Bool)0 : z$r_buff1_thd4 [L758] 1 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [__unbuffered_cnt=1, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=2, z=2, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L773] 2 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [__unbuffered_cnt=2, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=2, z=2, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L793] 3 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [__unbuffered_cnt=3, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=2, z=2, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L829] 4 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [__unbuffered_cnt=4, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=2, z=2, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L853] 0 main$tmp_guard0 = __unbuffered_cnt == 4 VAL [__unbuffered_cnt=4, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=2, z=2, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L3] COND FALSE 0 !(!cond) VAL [__unbuffered_cnt=4, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=2, z=2, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L857] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd0 ? z$w_buff1 : z) [L857] EXPR 0 z$w_buff1_used && z$r_buff1_thd0 ? z$w_buff1 : z [L857] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd0 ? z$w_buff1 : z) [L857] 0 z = z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd0 ? z$w_buff1 : z) [L858] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$w_buff0_used [L858] 0 z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$w_buff0_used [L859] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$w_buff1_used [L859] 0 z$w_buff1_used = z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$w_buff1_used [L860] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$r_buff0_thd0 [L860] 0 z$r_buff0_thd0 = z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$r_buff0_thd0 [L861] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$r_buff1_thd0 [L861] 0 z$r_buff1_thd0 = z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$r_buff1_thd0 [L864] 0 weak$$choice0 = __VERIFIER_nondet_bool() [L865] 0 weak$$choice2 = __VERIFIER_nondet_bool() [L866] 0 z$flush_delayed = weak$$choice2 [L867] 0 z$mem_tmp = z [L868] EXPR 0 !z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z : (z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : z$w_buff1) [L868] 0 z = !z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z : (z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : z$w_buff1) [L869] EXPR 0 weak$$choice2 ? z$w_buff0 : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : z$w_buff0)) [L869] 0 z$w_buff0 = weak$$choice2 ? z$w_buff0 : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : z$w_buff0)) [L870] EXPR 0 weak$$choice2 ? z$w_buff1 : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff1 : z$w_buff1)) [L870] 0 z$w_buff1 = weak$$choice2 ? z$w_buff1 : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff1 : z$w_buff1)) [L871] EXPR 0 weak$$choice2 ? z$w_buff0_used : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$w_buff0_used)) [L871] 0 z$w_buff0_used = weak$$choice2 ? z$w_buff0_used : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$w_buff0_used)) [L872] EXPR 0 weak$$choice2 ? z$w_buff1_used : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L872] 0 z$w_buff1_used = weak$$choice2 ? z$w_buff1_used : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L873] EXPR 0 weak$$choice2 ? z$r_buff0_thd0 : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$r_buff0_thd0 : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$r_buff0_thd0)) [L873] 0 z$r_buff0_thd0 = weak$$choice2 ? z$r_buff0_thd0 : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$r_buff0_thd0 : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$r_buff0_thd0)) [L874] EXPR 0 weak$$choice2 ? z$r_buff1_thd0 : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$r_buff1_thd0 : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L874] 0 z$r_buff1_thd0 = weak$$choice2 ? z$r_buff1_thd0 : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$r_buff1_thd0 : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L875] 0 main$tmp_guard1 = !(x == 2 && y == 2 && z == 2 && __unbuffered_p3_EAX == 1 && __unbuffered_p3_EBX == 0) [L876] EXPR 0 z$flush_delayed ? z$mem_tmp : z [L876] 0 z = z$flush_delayed ? z$mem_tmp : z [L877] 0 z$flush_delayed = (_Bool)0 VAL [__unbuffered_cnt=4, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=255, x=2, y=2, z=2, z$flush_delayed=0, z$mem_tmp=2, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L18] COND TRUE 0 !expression VAL [__unbuffered_cnt=4, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=255, x=2, y=2, z=2, z$flush_delayed=0, z$mem_tmp=2, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L18] 0 reach_error() VAL [__unbuffered_cnt=4, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=255, x=2, y=2, z=2, z$flush_delayed=0, z$mem_tmp=2, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 9 procedures, 164 locations, 7 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 10.0ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: UNSAFE, OverallTime: 175957.8ms, OverallIterations: 18, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 173370.2ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 43.0ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 237 SDtfs, 839 SDslu, 873 SDs, 0 SdLazy, 1624 SolverSat, 387 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1495.6ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 272 GetRequests, 33 SyntacticMatches, 1 SemanticMatches, 238 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 683 ImplicationChecksByTransitivity, 2953.5ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=96946occurred in iteration=15, InterpolantAutomatonStates: 220, 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: 60.1ms SsaConstructionTime, 449.0ms SatisfiabilityAnalysisTime, 1799.4ms InterpolantComputationTime, 1578 NumberOfCodeBlocks, 1578 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 1462 ConstructedInterpolants, 0 QuantifiedInterpolants, 7149 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 17 InterpolantComputations, 17 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...