/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-RepeatedSemanticLbeWithPredicates.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/rfi003_power.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-6f4246e9f5583d222ebb38ff8175c901f3a528f0-6f4246e [2021-04-28 23:01:32,728 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-04-28 23:01:32,731 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-04-28 23:01:32,781 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-04-28 23:01:32,781 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-04-28 23:01:32,783 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-04-28 23:01:32,785 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-04-28 23:01:32,787 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-04-28 23:01:32,789 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-04-28 23:01:32,791 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-04-28 23:01:32,792 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-04-28 23:01:32,794 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-04-28 23:01:32,794 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-04-28 23:01:32,796 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-04-28 23:01:32,797 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-04-28 23:01:32,799 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-04-28 23:01:32,800 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-04-28 23:01:32,801 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-04-28 23:01:32,803 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-04-28 23:01:32,806 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-04-28 23:01:32,808 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-04-28 23:01:32,809 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-04-28 23:01:32,811 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-04-28 23:01:32,812 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-04-28 23:01:32,819 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-04-28 23:01:32,843 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-04-28 23:01:32,845 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-04-28 23:01:32,846 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-04-28 23:01:32,847 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-RepeatedSemanticLbeWithPredicates.epf [2021-04-28 23:01:32,909 INFO L113 SettingsManager]: Loading preferences was successful [2021-04-28 23:01:32,910 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-04-28 23:01:32,914 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-04-28 23:01:32,914 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-04-28 23:01:32,915 INFO L138 SettingsManager]: * Use SBE=true [2021-04-28 23:01:32,915 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-04-28 23:01:32,915 INFO L138 SettingsManager]: * sizeof long=4 [2021-04-28 23:01:32,916 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-04-28 23:01:32,916 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-04-28 23:01:32,916 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-04-28 23:01:32,917 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-04-28 23:01:32,918 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-04-28 23:01:32,918 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-04-28 23:01:32,918 INFO L138 SettingsManager]: * sizeof long double=12 [2021-04-28 23:01:32,919 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-04-28 23:01:32,919 INFO L138 SettingsManager]: * Use constant arrays=true [2021-04-28 23:01:32,919 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-04-28 23:01:32,919 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-04-28 23:01:32,920 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-04-28 23:01:32,920 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-04-28 23:01:32,920 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-04-28 23:01:32,920 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-04-28 23:01:32,921 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-04-28 23:01:32,921 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-04-28 23:01:32,921 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-04-28 23:01:32,921 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-04-28 23:01:32,922 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-04-28 23:01:32,922 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=SEMANTIC_BASED_MOVER_CHECK_WITH_PREDICATES [2021-04-28 23:01:32,922 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-04-28 23:01:32,922 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-04-28 23:01:32,923 INFO L138 SettingsManager]: * Apply repeated Lipton Reduction=true WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-04-28 23:01:33,453 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-04-28 23:01:33,503 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-04-28 23:01:33,506 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-04-28 23:01:33,507 INFO L271 PluginConnector]: Initializing CDTParser... [2021-04-28 23:01:33,508 INFO L275 PluginConnector]: CDTParser initialized [2021-04-28 23:01:33,509 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/rfi003_power.oepc.i [2021-04-28 23:01:33,596 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7687df7b3/17f4afad4bee4069a9af763a68ebbeb4/FLAG126cf2aff [2021-04-28 23:01:34,294 INFO L306 CDTParser]: Found 1 translation units. [2021-04-28 23:01:34,295 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/rfi003_power.oepc.i [2021-04-28 23:01:34,326 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7687df7b3/17f4afad4bee4069a9af763a68ebbeb4/FLAG126cf2aff [2021-04-28 23:01:34,524 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7687df7b3/17f4afad4bee4069a9af763a68ebbeb4 [2021-04-28 23:01:34,527 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-04-28 23:01:34,573 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-04-28 23:01:34,580 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-04-28 23:01:34,580 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-04-28 23:01:34,584 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-04-28 23:01:34,585 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.04 11:01:34" (1/1) ... [2021-04-28 23:01:34,586 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@248b682f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 11:01:34, skipping insertion in model container [2021-04-28 23:01:34,586 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.04 11:01:34" (1/1) ... [2021-04-28 23:01:34,595 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-04-28 23:01:34,646 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-04-28 23:01:34,831 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/rfi003_power.oepc.i[994,1007] [2021-04-28 23:01:35,107 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-04-28 23:01:35,129 INFO L203 MainTranslator]: Completed pre-run [2021-04-28 23:01:35,143 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/rfi003_power.oepc.i[994,1007] [2021-04-28 23:01:35,194 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-04-28 23:01:35,323 INFO L208 MainTranslator]: Completed translation [2021-04-28 23:01:35,323 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 11:01:35 WrapperNode [2021-04-28 23:01:35,326 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-04-28 23:01:35,328 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-04-28 23:01:35,329 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-04-28 23:01:35,329 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-04-28 23:01:35,338 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 11:01:35" (1/1) ... [2021-04-28 23:01:35,388 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 11:01:35" (1/1) ... [2021-04-28 23:01:35,431 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-04-28 23:01:35,432 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-04-28 23:01:35,433 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-04-28 23:01:35,433 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-04-28 23:01:35,445 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 11:01:35" (1/1) ... [2021-04-28 23:01:35,445 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 11:01:35" (1/1) ... [2021-04-28 23:01:35,449 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 11:01:35" (1/1) ... [2021-04-28 23:01:35,450 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 11:01:35" (1/1) ... [2021-04-28 23:01:35,459 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 11:01:35" (1/1) ... [2021-04-28 23:01:35,465 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 11:01:35" (1/1) ... [2021-04-28 23:01:35,469 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 11:01:35" (1/1) ... [2021-04-28 23:01:35,474 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-04-28 23:01:35,476 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-04-28 23:01:35,476 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-04-28 23:01:35,476 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-04-28 23:01:35,477 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 11:01:35" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-04-28 23:01:35,611 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-04-28 23:01:35,612 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-04-28 23:01:35,613 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-04-28 23:01:35,613 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-04-28 23:01:35,614 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-04-28 23:01:35,614 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-04-28 23:01:35,615 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-04-28 23:01:35,615 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-04-28 23:01:35,615 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-04-28 23:01:35,616 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-04-28 23:01:35,616 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-04-28 23:01:35,616 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-04-28 23:01:35,618 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-04-28 23:01:37,913 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-04-28 23:01:37,913 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-04-28 23:01:37,916 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.04 11:01:37 BoogieIcfgContainer [2021-04-28 23:01:37,916 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-04-28 23:01:37,918 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-04-28 23:01:37,918 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-04-28 23:01:37,923 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-04-28 23:01:37,923 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.04 11:01:34" (1/3) ... [2021-04-28 23:01:37,924 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46af9f6c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.04 11:01:37, skipping insertion in model container [2021-04-28 23:01:37,924 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 11:01:35" (2/3) ... [2021-04-28 23:01:37,925 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46af9f6c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.04 11:01:37, skipping insertion in model container [2021-04-28 23:01:37,925 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.04 11:01:37" (3/3) ... [2021-04-28 23:01:37,927 INFO L111 eAbstractionObserver]: Analyzing ICFG rfi003_power.oepc.i [2021-04-28 23:01:37,935 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-04-28 23:01:37,942 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2021-04-28 23:01:37,943 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-04-28 23:01:37,981 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:01:37,981 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:01:37,981 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:01:37,981 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:01:37,982 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:01:37,982 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:01:37,982 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:01:37,982 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:01:37,982 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:01:37,983 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:01:37,983 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:01:37,983 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:01:37,983 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:01:37,983 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:01:37,983 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:01:37,983 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:01:37,984 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:01:37,984 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:01:37,984 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:01:37,984 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:01:37,984 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:01:37,984 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:01:37,984 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:01:37,985 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:01:37,985 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:01:37,985 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:01:37,985 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:01:37,985 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:01:37,985 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:01:37,985 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:01:37,986 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:01:37,986 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:01:37,986 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:01:37,986 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:01:37,986 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:01:37,986 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:01:37,987 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:01:37,987 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:01:37,987 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:01:37,987 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:01:37,987 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:01:37,987 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:01:37,988 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:01:37,988 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:01:37,988 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:01:37,988 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:01:37,990 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:01:37,990 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:01:37,990 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:01:37,991 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:01:37,991 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:01:37,991 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:01:37,991 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:01:37,991 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:01:37,991 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:01:37,991 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:01:37,992 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:01:37,992 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:01:37,992 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:01:37,992 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:01:37,992 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:01:37,992 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:01:37,992 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:01:37,993 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:01:37,993 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:01:37,993 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:01:37,993 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:01:37,993 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:01:37,993 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:01:37,994 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:01:37,994 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:01:37,994 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:01:37,994 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:01:37,994 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:01:37,994 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:01:37,994 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:01:37,995 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:01:37,995 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:01:37,995 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:01:37,995 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:01:37,995 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:01:37,995 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:01:37,996 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:01:37,996 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:01:37,998 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:01:37,998 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:01:37,999 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:01:37,999 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:01:37,999 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:01:38,000 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:01:38,000 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:01:38,000 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:01:38,000 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:01:38,000 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:01:38,001 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:01:38,001 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:01:38,001 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:01:38,001 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:01:38,001 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:01:38,002 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:01:38,002 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:01:38,002 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:01:38,002 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:01:38,002 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:01:38,003 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:01:38,003 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:01:38,003 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:01:38,003 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:01:38,003 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:01:38,004 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:01:38,004 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:01:38,004 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:01:38,005 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:01:38,005 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:01:38,005 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:01:38,005 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:01:38,005 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:01:38,005 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:01:38,006 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:01:38,006 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:01:38,006 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:01:38,006 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:01:38,009 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:01:38,009 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:01:38,009 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:01:38,009 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:01:38,010 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:01:38,010 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:01:38,010 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:01:38,010 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:01:38,010 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:01:38,011 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:01:38,011 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:01:38,011 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:01:38,013 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:01:38,013 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:01:38,013 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:01:38,014 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:01:38,014 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:01:38,014 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:01:38,014 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:01:38,014 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:01:38,014 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:01:38,015 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:01:38,015 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:01:38,015 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:01:38,015 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:01:38,015 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:01:38,015 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:01:38,016 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:01:38,016 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:01:38,016 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:01:38,016 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:01:38,016 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:01:38,016 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:01:38,017 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:01:38,017 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:01:38,017 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:01:38,017 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:01:38,017 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:01:38,017 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:01:38,019 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-04-28 23:01:38,043 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2021-04-28 23:01:38,070 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-04-28 23:01:38,071 INFO L377 AbstractCegarLoop]: Hoare is false [2021-04-28 23:01:38,071 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-04-28 23:01:38,071 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-04-28 23:01:38,071 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-04-28 23:01:38,071 INFO L381 AbstractCegarLoop]: Difference is false [2021-04-28 23:01:38,071 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-04-28 23:01:38,071 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-04-28 23:01:38,086 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 88 places, 83 transitions, 176 flow [2021-04-28 23:01:38,129 INFO L129 PetriNetUnfolder]: 2/81 cut-off events. [2021-04-28 23:01:38,129 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 23:01:38,137 INFO L84 FinitePrefix]: Finished finitePrefix Result has 88 conditions, 81 events. 2/81 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 50 event pairs, 0 based on Foata normal form. 0/77 useless extension candidates. Maximal degree in co-relation 47. Up to 2 conditions per place. [2021-04-28 23:01:38,137 INFO L82 GeneralOperation]: Start removeDead. Operand has 88 places, 83 transitions, 176 flow [2021-04-28 23:01:38,143 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 86 places, 81 transitions, 168 flow [2021-04-28 23:01:38,145 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 23:01:38,163 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 86 places, 81 transitions, 168 flow [2021-04-28 23:01:38,167 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 86 places, 81 transitions, 168 flow [2021-04-28 23:01:38,169 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 86 places, 81 transitions, 168 flow [2021-04-28 23:01:38,191 INFO L129 PetriNetUnfolder]: 2/81 cut-off events. [2021-04-28 23:01:38,191 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 23:01:38,192 INFO L84 FinitePrefix]: Finished finitePrefix Result has 88 conditions, 81 events. 2/81 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 52 event pairs, 0 based on Foata normal form. 0/77 useless extension candidates. Maximal degree in co-relation 47. Up to 2 conditions per place. [2021-04-28 23:01:38,195 INFO L146 LiptonReduction]: Number of co-enabled transitions 968 [2021-04-28 23:01:38,656 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 50 [2021-04-28 23:01:39,303 WARN L205 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 58 [2021-04-28 23:01:39,452 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 57 [2021-04-28 23:01:40,011 WARN L205 SmtUtils]: Spent 557.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 81 [2021-04-28 23:01:40,222 WARN L205 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2021-04-28 23:01:50,205 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2021-04-28 23:01:52,233 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 23:01:52,389 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 23:01:52,553 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 23:01:52,718 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 23:01:53,142 WARN L205 SmtUtils]: Spent 415.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 105 [2021-04-28 23:01:53,345 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2021-04-28 23:01:53,750 WARN L205 SmtUtils]: Spent 403.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 105 [2021-04-28 23:01:53,936 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2021-04-28 23:01:54,426 WARN L205 SmtUtils]: Spent 487.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 110 [2021-04-28 23:01:54,648 WARN L205 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-28 23:01:55,091 WARN L205 SmtUtils]: Spent 442.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 110 [2021-04-28 23:01:55,294 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-28 23:01:55,422 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 23:01:55,547 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 23:01:55,675 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 23:01:55,801 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 23:01:56,363 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 23:01:56,554 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 23:01:56,716 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 23:01:56,875 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 23:01:56,981 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 23:01:57,086 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 23:01:57,197 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 23:01:57,312 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 23:01:57,792 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 23:01:57,938 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 23:01:58,088 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 23:01:58,238 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 23:01:58,674 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 23:01:58,817 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 23:01:58,996 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 23:01:59,139 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 23:01:59,950 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 23:02:00,084 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 23:02:00,217 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 23:02:00,348 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 23:02:00,484 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 23:02:00,622 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 23:02:00,758 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 23:02:00,891 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 23:02:01,401 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 23:02:01,843 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 23:02:02,013 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 23:02:02,177 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 23:02:02,345 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 23:02:02,512 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 23:02:02,678 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 23:02:02,849 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 23:02:03,016 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 23:02:03,488 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 23:02:03,645 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 23:02:03,837 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 23:02:04,011 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 23:02:04,129 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 23:02:04,241 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 23:02:04,362 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 23:02:04,487 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 23:02:04,618 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 23:02:04,748 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 23:02:04,869 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 23:02:04,988 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 23:02:05,147 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 23:02:05,308 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 23:02:05,476 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 23:02:05,643 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 23:02:05,845 INFO L158 LiptonReduction]: Checked pairs total: 7687 [2021-04-28 23:02:05,845 INFO L160 LiptonReduction]: Total number of compositions: 194 [2021-04-28 23:02:05,851 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 27707 [2021-04-28 23:02:05,876 INFO L129 PetriNetUnfolder]: 1/65 cut-off events. [2021-04-28 23:02:05,876 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 23:02:05,877 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 23:02:05,878 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2021-04-28 23:02:05,878 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 23:02:05,886 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 23:02:05,886 INFO L82 PathProgramCache]: Analyzing trace with hash 891755611, now seen corresponding path program 1 times [2021-04-28 23:02:05,897 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 23:02:05,898 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1277951266] [2021-04-28 23:02:05,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 23:02:06,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 23:02:06,218 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 23:02:06,219 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 23:02:06,229 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 23:02:06,230 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1277951266] [2021-04-28 23:02:06,231 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 23:02:06,231 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-04-28 23:02:06,232 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [104204286] [2021-04-28 23:02:06,245 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-28 23:02:06,245 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 23:02:06,265 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-28 23:02:06,269 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-28 23:02:06,276 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 218 out of 277 [2021-04-28 23:02:06,288 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 102 places, 96 transitions, 198 flow. Second operand has 3 states, 3 states have (on average 218.66666666666666) internal successors, (656), 3 states have internal predecessors, (656), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 23:02:06,288 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 23:02:06,288 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 218 of 277 [2021-04-28 23:02:06,290 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 23:02:06,442 INFO L129 PetriNetUnfolder]: 9/130 cut-off events. [2021-04-28 23:02:06,443 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 23:02:06,448 INFO L84 FinitePrefix]: Finished finitePrefix Result has 169 conditions, 130 events. 9/130 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 40. Compared 704 event pairs, 1 based on Foata normal form. 12/58 useless extension candidates. Maximal degree in co-relation 111. Up to 17 conditions per place. [2021-04-28 23:02:06,451 INFO L132 encePairwiseOnDemand]: 262/277 looper letters, 5 selfloop transitions, 2 changer transitions 41/95 dead transitions. [2021-04-28 23:02:06,451 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 102 places, 95 transitions, 230 flow [2021-04-28 23:02:06,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-28 23:02:06,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-28 23:02:06,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 676 transitions. [2021-04-28 23:02:06,491 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8134777376654633 [2021-04-28 23:02:06,492 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 676 transitions. [2021-04-28 23:02:06,493 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 676 transitions. [2021-04-28 23:02:06,508 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 23:02:06,516 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 676 transitions. [2021-04-28 23:02:06,522 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 225.33333333333334) internal successors, (676), 3 states have internal predecessors, (676), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 23:02:06,536 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 277.0) internal successors, (1108), 4 states have internal predecessors, (1108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 23:02:06,538 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 277.0) internal successors, (1108), 4 states have internal predecessors, (1108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 23:02:06,540 INFO L185 Difference]: Start difference. First operand has 102 places, 96 transitions, 198 flow. Second operand 3 states and 676 transitions. [2021-04-28 23:02:06,541 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 102 places, 95 transitions, 230 flow [2021-04-28 23:02:06,544 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 100 places, 95 transitions, 228 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-04-28 23:02:06,547 INFO L241 Difference]: Finished difference. Result has 100 places, 52 transitions, 112 flow [2021-04-28 23:02:06,549 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=277, PETRI_DIFFERENCE_MINUEND_FLOW=190, PETRI_DIFFERENCE_MINUEND_PLACES=98, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=93, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=91, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=112, PETRI_PLACES=100, PETRI_TRANSITIONS=52} [2021-04-28 23:02:06,550 INFO L343 CegarLoopForPetriNet]: 102 programPoint places, -2 predicate places. [2021-04-28 23:02:06,550 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 23:02:06,551 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 100 places, 52 transitions, 112 flow [2021-04-28 23:02:06,551 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 100 places, 52 transitions, 112 flow [2021-04-28 23:02:06,552 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 59 places, 52 transitions, 112 flow [2021-04-28 23:02:06,560 INFO L129 PetriNetUnfolder]: 0/52 cut-off events. [2021-04-28 23:02:06,560 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 23:02:06,561 INFO L84 FinitePrefix]: Finished finitePrefix Result has 60 conditions, 52 events. 0/52 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 242 event pairs, 0 based on Foata normal form. 0/17 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2021-04-28 23:02:06,562 INFO L146 LiptonReduction]: Number of co-enabled transitions 1122 [2021-04-28 23:02:06,814 INFO L158 LiptonReduction]: Checked pairs total: 1510 [2021-04-28 23:02:06,814 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 23:02:06,815 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 265 [2021-04-28 23:02:06,817 INFO L480 AbstractCegarLoop]: Abstraction has has 59 places, 52 transitions, 112 flow [2021-04-28 23:02:06,818 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 218.66666666666666) internal successors, (656), 3 states have internal predecessors, (656), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 23:02:06,818 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 23:02:06,818 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-04-28 23:02:06,818 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-04-28 23:02:06,819 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 23:02:06,819 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 23:02:06,820 INFO L82 PathProgramCache]: Analyzing trace with hash -2016186162, now seen corresponding path program 1 times [2021-04-28 23:02:06,820 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 23:02:06,820 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1705018513] [2021-04-28 23:02:06,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 23:02:06,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 23:02:06,902 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 23:02:06,902 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 23:02:06,906 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 23:02:06,907 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1705018513] [2021-04-28 23:02:06,907 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 23:02:06,907 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-04-28 23:02:06,907 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [343106987] [2021-04-28 23:02:06,909 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-28 23:02:06,909 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 23:02:06,910 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-28 23:02:06,910 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-28 23:02:06,917 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 202 out of 277 [2021-04-28 23:02:06,918 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 59 places, 52 transitions, 112 flow. Second operand has 3 states, 3 states have (on average 202.66666666666666) internal successors, (608), 3 states have internal predecessors, (608), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 23:02:06,919 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 23:02:06,919 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 202 of 277 [2021-04-28 23:02:06,919 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 23:02:07,047 INFO L129 PetriNetUnfolder]: 19/166 cut-off events. [2021-04-28 23:02:07,048 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 23:02:07,048 INFO L84 FinitePrefix]: Finished finitePrefix Result has 237 conditions, 166 events. 19/166 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 57. Compared 1128 event pairs, 0 based on Foata normal form. 0/75 useless extension candidates. Maximal degree in co-relation 228. Up to 43 conditions per place. [2021-04-28 23:02:07,049 INFO L132 encePairwiseOnDemand]: 272/277 looper letters, 1 selfloop transitions, 2 changer transitions 50/71 dead transitions. [2021-04-28 23:02:07,049 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 61 places, 71 transitions, 236 flow [2021-04-28 23:02:07,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-28 23:02:07,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-28 23:02:07,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 648 transitions. [2021-04-28 23:02:07,053 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.779783393501805 [2021-04-28 23:02:07,053 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 648 transitions. [2021-04-28 23:02:07,053 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 648 transitions. [2021-04-28 23:02:07,054 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 23:02:07,054 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 648 transitions. [2021-04-28 23:02:07,056 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 216.0) internal successors, (648), 3 states have internal predecessors, (648), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 23:02:07,060 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 277.0) internal successors, (1108), 4 states have internal predecessors, (1108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 23:02:07,062 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 277.0) internal successors, (1108), 4 states have internal predecessors, (1108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 23:02:07,062 INFO L185 Difference]: Start difference. First operand has 59 places, 52 transitions, 112 flow. Second operand 3 states and 648 transitions. [2021-04-28 23:02:07,062 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 61 places, 71 transitions, 236 flow [2021-04-28 23:02:07,063 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 59 places, 71 transitions, 232 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-04-28 23:02:07,065 INFO L241 Difference]: Finished difference. Result has 60 places, 21 transitions, 54 flow [2021-04-28 23:02:07,065 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=277, PETRI_DIFFERENCE_MINUEND_FLOW=108, PETRI_DIFFERENCE_MINUEND_PLACES=57, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=52, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=50, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=54, PETRI_PLACES=60, PETRI_TRANSITIONS=21} [2021-04-28 23:02:07,066 INFO L343 CegarLoopForPetriNet]: 102 programPoint places, -42 predicate places. [2021-04-28 23:02:07,066 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 23:02:07,067 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 60 places, 21 transitions, 54 flow [2021-04-28 23:02:07,067 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 60 places, 21 transitions, 54 flow [2021-04-28 23:02:07,067 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 29 places, 21 transitions, 54 flow [2021-04-28 23:02:07,072 INFO L129 PetriNetUnfolder]: 0/21 cut-off events. [2021-04-28 23:02:07,072 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 23:02:07,073 INFO L84 FinitePrefix]: Finished finitePrefix Result has 32 conditions, 21 events. 0/21 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 32 event pairs, 0 based on Foata normal form. 0/16 useless extension candidates. Maximal degree in co-relation 0. Up to 3 conditions per place. [2021-04-28 23:02:07,073 INFO L146 LiptonReduction]: Number of co-enabled transitions 196 [2021-04-28 23:02:07,371 INFO L158 LiptonReduction]: Checked pairs total: 248 [2021-04-28 23:02:07,372 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 23:02:07,372 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 306 [2021-04-28 23:02:07,374 INFO L480 AbstractCegarLoop]: Abstraction has has 29 places, 21 transitions, 54 flow [2021-04-28 23:02:07,374 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 202.66666666666666) internal successors, (608), 3 states have internal predecessors, (608), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 23:02:07,375 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 23:02:07,375 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 23:02:07,375 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-04-28 23:02:07,375 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 23:02:07,376 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 23:02:07,376 INFO L82 PathProgramCache]: Analyzing trace with hash -1756898786, now seen corresponding path program 1 times [2021-04-28 23:02:07,376 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 23:02:07,376 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [734423246] [2021-04-28 23:02:07,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 23:02:07,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 23:02:07,455 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 23:02:07,456 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 23:02:07,457 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 23:02:07,462 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 23:02:07,468 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 23:02:07,469 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [734423246] [2021-04-28 23:02:07,469 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 23:02:07,469 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-04-28 23:02:07,469 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1357304578] [2021-04-28 23:02:07,470 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-28 23:02:07,470 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 23:02:07,470 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-28 23:02:07,471 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-28 23:02:07,472 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 206 out of 277 [2021-04-28 23:02:07,474 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 29 places, 21 transitions, 54 flow. Second operand has 3 states, 3 states have (on average 207.66666666666666) internal successors, (623), 3 states have internal predecessors, (623), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 23:02:07,474 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 23:02:07,474 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 206 of 277 [2021-04-28 23:02:07,474 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 23:02:07,505 INFO L129 PetriNetUnfolder]: 2/45 cut-off events. [2021-04-28 23:02:07,506 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2021-04-28 23:02:07,506 INFO L84 FinitePrefix]: Finished finitePrefix Result has 75 conditions, 45 events. 2/45 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 145 event pairs, 0 based on Foata normal form. 2/34 useless extension candidates. Maximal degree in co-relation 65. Up to 9 conditions per place. [2021-04-28 23:02:07,506 INFO L132 encePairwiseOnDemand]: 274/277 looper letters, 6 selfloop transitions, 2 changer transitions 2/24 dead transitions. [2021-04-28 23:02:07,506 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 31 places, 24 transitions, 81 flow [2021-04-28 23:02:07,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-28 23:02:07,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-28 23:02:07,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 628 transitions. [2021-04-28 23:02:07,510 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7557160048134778 [2021-04-28 23:02:07,510 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 628 transitions. [2021-04-28 23:02:07,511 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 628 transitions. [2021-04-28 23:02:07,511 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 23:02:07,512 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 628 transitions. [2021-04-28 23:02:07,515 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 209.33333333333334) internal successors, (628), 3 states have internal predecessors, (628), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 23:02:07,519 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 277.0) internal successors, (1108), 4 states have internal predecessors, (1108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 23:02:07,521 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 277.0) internal successors, (1108), 4 states have internal predecessors, (1108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 23:02:07,521 INFO L185 Difference]: Start difference. First operand has 29 places, 21 transitions, 54 flow. Second operand 3 states and 628 transitions. [2021-04-28 23:02:07,521 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 31 places, 24 transitions, 81 flow [2021-04-28 23:02:07,522 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 29 places, 24 transitions, 75 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-04-28 23:02:07,523 INFO L241 Difference]: Finished difference. Result has 30 places, 20 transitions, 56 flow [2021-04-28 23:02:07,523 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=277, PETRI_DIFFERENCE_MINUEND_FLOW=50, PETRI_DIFFERENCE_MINUEND_PLACES=27, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=21, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=19, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=56, PETRI_PLACES=30, PETRI_TRANSITIONS=20} [2021-04-28 23:02:07,523 INFO L343 CegarLoopForPetriNet]: 102 programPoint places, -72 predicate places. [2021-04-28 23:02:07,523 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 23:02:07,524 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 30 places, 20 transitions, 56 flow [2021-04-28 23:02:07,524 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 30 places, 20 transitions, 56 flow [2021-04-28 23:02:07,524 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 29 places, 20 transitions, 56 flow [2021-04-28 23:02:07,529 INFO L129 PetriNetUnfolder]: 0/20 cut-off events. [2021-04-28 23:02:07,529 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2021-04-28 23:02:07,529 INFO L84 FinitePrefix]: Finished finitePrefix Result has 34 conditions, 20 events. 0/20 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 27 event pairs, 0 based on Foata normal form. 0/16 useless extension candidates. Maximal degree in co-relation 0. Up to 3 conditions per place. [2021-04-28 23:02:07,530 INFO L146 LiptonReduction]: Number of co-enabled transitions 128 [2021-04-28 23:02:07,787 INFO L158 LiptonReduction]: Checked pairs total: 321 [2021-04-28 23:02:07,788 INFO L160 LiptonReduction]: Total number of compositions: 1 [2021-04-28 23:02:07,788 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 265 [2021-04-28 23:02:07,790 INFO L480 AbstractCegarLoop]: Abstraction has has 29 places, 20 transitions, 56 flow [2021-04-28 23:02:07,791 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 207.66666666666666) internal successors, (623), 3 states have internal predecessors, (623), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 23:02:07,791 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 23:02:07,791 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 23:02:07,791 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-04-28 23:02:07,791 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 23:02:07,792 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 23:02:07,792 INFO L82 PathProgramCache]: Analyzing trace with hash 1691806322, now seen corresponding path program 1 times [2021-04-28 23:02:07,792 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 23:02:07,792 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [382268212] [2021-04-28 23:02:07,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 23:02:07,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 23:02:07,871 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 23:02:07,872 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 23:02:07,887 INFO L142 QuantifierPusher]: treesize reduction 11, result has 45.0 percent of original size [2021-04-28 23:02:07,888 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-28 23:02:07,898 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 23:02:07,899 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 23:02:07,899 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 23:02:07,900 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [382268212] [2021-04-28 23:02:07,900 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 23:02:07,900 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-28 23:02:07,901 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1447148556] [2021-04-28 23:02:07,901 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-28 23:02:07,901 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 23:02:07,902 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-28 23:02:07,902 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-04-28 23:02:07,904 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 193 out of 278 [2021-04-28 23:02:07,906 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 29 places, 20 transitions, 56 flow. Second operand has 4 states, 4 states have (on average 193.75) internal successors, (775), 4 states have internal predecessors, (775), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 23:02:07,906 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 23:02:07,906 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 193 of 278 [2021-04-28 23:02:07,906 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 23:02:08,001 INFO L129 PetriNetUnfolder]: 54/141 cut-off events. [2021-04-28 23:02:08,001 INFO L130 PetriNetUnfolder]: For 16/16 co-relation queries the response was YES. [2021-04-28 23:02:08,002 INFO L84 FinitePrefix]: Finished finitePrefix Result has 300 conditions, 141 events. 54/141 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 42. Compared 655 event pairs, 18 based on Foata normal form. 16/99 useless extension candidates. Maximal degree in co-relation 290. Up to 91 conditions per place. [2021-04-28 23:02:08,003 INFO L132 encePairwiseOnDemand]: 269/278 looper letters, 8 selfloop transitions, 7 changer transitions 14/39 dead transitions. [2021-04-28 23:02:08,003 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 33 places, 39 transitions, 150 flow [2021-04-28 23:02:08,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-28 23:02:08,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-04-28 23:02:08,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 995 transitions. [2021-04-28 23:02:08,009 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7158273381294964 [2021-04-28 23:02:08,009 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 995 transitions. [2021-04-28 23:02:08,009 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 995 transitions. [2021-04-28 23:02:08,010 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 23:02:08,010 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 995 transitions. [2021-04-28 23:02:08,014 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 199.0) internal successors, (995), 5 states have internal predecessors, (995), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 23:02:08,019 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 278.0) internal successors, (1668), 6 states have internal predecessors, (1668), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 23:02:08,022 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 278.0) internal successors, (1668), 6 states have internal predecessors, (1668), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 23:02:08,022 INFO L185 Difference]: Start difference. First operand has 29 places, 20 transitions, 56 flow. Second operand 5 states and 995 transitions. [2021-04-28 23:02:08,022 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 33 places, 39 transitions, 150 flow [2021-04-28 23:02:08,024 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 31 places, 39 transitions, 146 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-04-28 23:02:08,025 INFO L241 Difference]: Finished difference. Result has 34 places, 25 transitions, 113 flow [2021-04-28 23:02:08,026 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=278, PETRI_DIFFERENCE_MINUEND_FLOW=52, PETRI_DIFFERENCE_MINUEND_PLACES=27, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=20, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=13, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=113, PETRI_PLACES=34, PETRI_TRANSITIONS=25} [2021-04-28 23:02:08,026 INFO L343 CegarLoopForPetriNet]: 102 programPoint places, -68 predicate places. [2021-04-28 23:02:08,026 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 23:02:08,027 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 34 places, 25 transitions, 113 flow [2021-04-28 23:02:08,027 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 34 places, 25 transitions, 113 flow [2021-04-28 23:02:08,027 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 31 places, 25 transitions, 113 flow [2021-04-28 23:02:08,046 INFO L129 PetriNetUnfolder]: 45/115 cut-off events. [2021-04-28 23:02:08,046 INFO L130 PetriNetUnfolder]: For 48/48 co-relation queries the response was YES. [2021-04-28 23:02:08,047 INFO L84 FinitePrefix]: Finished finitePrefix Result has 324 conditions, 115 events. 45/115 cut-off events. For 48/48 co-relation queries the response was YES. Maximal size of possible extension queue 33. Compared 523 event pairs, 18 based on Foata normal form. 0/75 useless extension candidates. Maximal degree in co-relation 313. Up to 76 conditions per place. [2021-04-28 23:02:08,048 INFO L146 LiptonReduction]: Number of co-enabled transitions 78 [2021-04-28 23:02:08,068 INFO L158 LiptonReduction]: Checked pairs total: 123 [2021-04-28 23:02:08,068 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 23:02:08,068 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 42 [2021-04-28 23:02:08,070 INFO L480 AbstractCegarLoop]: Abstraction has has 31 places, 25 transitions, 113 flow [2021-04-28 23:02:08,071 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 193.75) internal successors, (775), 4 states have internal predecessors, (775), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 23:02:08,072 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 23:02:08,072 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 23:02:08,072 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-04-28 23:02:08,072 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 23:02:08,072 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 23:02:08,073 INFO L82 PathProgramCache]: Analyzing trace with hash 1149721270, now seen corresponding path program 1 times [2021-04-28 23:02:08,073 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 23:02:08,073 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [990651628] [2021-04-28 23:02:08,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 23:02:08,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 23:02:08,251 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 23:02:08,252 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 23:02:08,253 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 23:02:08,253 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 23:02:08,257 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 23:02:08,258 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 23:02:08,268 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 23:02:08,269 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [990651628] [2021-04-28 23:02:08,269 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 23:02:08,269 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-28 23:02:08,270 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [723832375] [2021-04-28 23:02:08,270 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-28 23:02:08,270 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 23:02:08,271 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-28 23:02:08,271 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-04-28 23:02:08,272 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 176 out of 278 [2021-04-28 23:02:08,274 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 31 places, 25 transitions, 113 flow. Second operand has 4 states, 4 states have (on average 177.5) internal successors, (710), 4 states have internal predecessors, (710), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 23:02:08,274 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 23:02:08,274 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 176 of 278 [2021-04-28 23:02:08,275 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 23:02:08,344 INFO L129 PetriNetUnfolder]: 91/222 cut-off events. [2021-04-28 23:02:08,344 INFO L130 PetriNetUnfolder]: For 163/172 co-relation queries the response was YES. [2021-04-28 23:02:08,346 INFO L84 FinitePrefix]: Finished finitePrefix Result has 641 conditions, 222 events. 91/222 cut-off events. For 163/172 co-relation queries the response was YES. Maximal size of possible extension queue 63. Compared 1287 event pairs, 36 based on Foata normal form. 21/159 useless extension candidates. Maximal degree in co-relation 628. Up to 157 conditions per place. [2021-04-28 23:02:08,347 INFO L132 encePairwiseOnDemand]: 275/278 looper letters, 6 selfloop transitions, 1 changer transitions 2/28 dead transitions. [2021-04-28 23:02:08,347 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 34 places, 28 transitions, 139 flow [2021-04-28 23:02:08,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-04-28 23:02:08,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-04-28 23:02:08,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 714 transitions. [2021-04-28 23:02:08,356 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6420863309352518 [2021-04-28 23:02:08,356 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 714 transitions. [2021-04-28 23:02:08,356 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 714 transitions. [2021-04-28 23:02:08,357 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 23:02:08,357 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 714 transitions. [2021-04-28 23:02:08,360 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 178.5) internal successors, (714), 4 states have internal predecessors, (714), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 23:02:08,364 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 278.0) internal successors, (1390), 5 states have internal predecessors, (1390), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 23:02:08,365 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 278.0) internal successors, (1390), 5 states have internal predecessors, (1390), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 23:02:08,365 INFO L185 Difference]: Start difference. First operand has 31 places, 25 transitions, 113 flow. Second operand 4 states and 714 transitions. [2021-04-28 23:02:08,366 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 34 places, 28 transitions, 139 flow [2021-04-28 23:02:08,369 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 32 places, 28 transitions, 130 flow, removed 1 selfloop flow, removed 2 redundant places. [2021-04-28 23:02:08,370 INFO L241 Difference]: Finished difference. Result has 34 places, 25 transitions, 111 flow [2021-04-28 23:02:08,370 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=278, PETRI_DIFFERENCE_MINUEND_FLOW=104, PETRI_DIFFERENCE_MINUEND_PLACES=29, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=25, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=24, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=111, PETRI_PLACES=34, PETRI_TRANSITIONS=25} [2021-04-28 23:02:08,370 INFO L343 CegarLoopForPetriNet]: 102 programPoint places, -68 predicate places. [2021-04-28 23:02:08,370 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 23:02:08,371 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 34 places, 25 transitions, 111 flow [2021-04-28 23:02:08,371 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 34 places, 25 transitions, 111 flow [2021-04-28 23:02:08,371 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 33 places, 25 transitions, 111 flow [2021-04-28 23:02:08,388 INFO L129 PetriNetUnfolder]: 45/126 cut-off events. [2021-04-28 23:02:08,389 INFO L130 PetriNetUnfolder]: For 65/65 co-relation queries the response was YES. [2021-04-28 23:02:08,389 INFO L84 FinitePrefix]: Finished finitePrefix Result has 343 conditions, 126 events. 45/126 cut-off events. For 65/65 co-relation queries the response was YES. Maximal size of possible extension queue 33. Compared 613 event pairs, 18 based on Foata normal form. 0/84 useless extension candidates. Maximal degree in co-relation 331. Up to 82 conditions per place. [2021-04-28 23:02:08,390 INFO L146 LiptonReduction]: Number of co-enabled transitions 64 [2021-04-28 23:02:08,641 INFO L158 LiptonReduction]: Checked pairs total: 192 [2021-04-28 23:02:08,641 INFO L160 LiptonReduction]: Total number of compositions: 1 [2021-04-28 23:02:08,641 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 271 [2021-04-28 23:02:08,643 INFO L480 AbstractCegarLoop]: Abstraction has has 33 places, 25 transitions, 113 flow [2021-04-28 23:02:08,644 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 177.5) internal successors, (710), 4 states have internal predecessors, (710), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 23:02:08,644 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 23:02:08,645 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 23:02:08,645 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-04-28 23:02:08,645 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 23:02:08,645 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 23:02:08,645 INFO L82 PathProgramCache]: Analyzing trace with hash -436785074, now seen corresponding path program 1 times [2021-04-28 23:02:08,646 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 23:02:08,646 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2147447709] [2021-04-28 23:02:08,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 23:02:08,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 23:02:08,728 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 23:02:08,728 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 23:02:08,732 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 23:02:08,733 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 23:02:08,738 INFO L142 QuantifierPusher]: treesize reduction 11, result has 45.0 percent of original size [2021-04-28 23:02:08,739 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-28 23:02:08,748 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 23:02:08,749 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 23:02:08,749 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 23:02:08,749 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2147447709] [2021-04-28 23:02:08,750 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 23:02:08,750 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-04-28 23:02:08,750 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1502843678] [2021-04-28 23:02:08,750 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-04-28 23:02:08,751 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 23:02:08,751 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-04-28 23:02:08,751 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-04-28 23:02:08,753 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 194 out of 279 [2021-04-28 23:02:08,755 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 33 places, 25 transitions, 113 flow. Second operand has 5 states, 5 states have (on average 194.8) internal successors, (974), 5 states have internal predecessors, (974), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 23:02:08,756 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 23:02:08,756 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 194 of 279 [2021-04-28 23:02:08,756 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 23:02:08,851 INFO L129 PetriNetUnfolder]: 18/93 cut-off events. [2021-04-28 23:02:08,851 INFO L130 PetriNetUnfolder]: For 44/44 co-relation queries the response was YES. [2021-04-28 23:02:08,851 INFO L84 FinitePrefix]: Finished finitePrefix Result has 322 conditions, 93 events. 18/93 cut-off events. For 44/44 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 430 event pairs, 0 based on Foata normal form. 18/81 useless extension candidates. Maximal degree in co-relation 308. Up to 64 conditions per place. [2021-04-28 23:02:08,852 INFO L132 encePairwiseOnDemand]: 270/279 looper letters, 2 selfloop transitions, 13 changer transitions 8/32 dead transitions. [2021-04-28 23:02:08,852 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 38 places, 32 transitions, 197 flow [2021-04-28 23:02:08,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-04-28 23:02:08,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-04-28 23:02:08,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1188 transitions. [2021-04-28 23:02:08,858 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7096774193548387 [2021-04-28 23:02:08,858 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1188 transitions. [2021-04-28 23:02:08,858 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1188 transitions. [2021-04-28 23:02:08,860 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 23:02:08,860 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1188 transitions. [2021-04-28 23:02:08,864 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 198.0) internal successors, (1188), 6 states have internal predecessors, (1188), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 23:02:08,869 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 279.0) internal successors, (1953), 7 states have internal predecessors, (1953), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 23:02:08,870 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 279.0) internal successors, (1953), 7 states have internal predecessors, (1953), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 23:02:08,871 INFO L185 Difference]: Start difference. First operand has 33 places, 25 transitions, 113 flow. Second operand 6 states and 1188 transitions. [2021-04-28 23:02:08,871 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 38 places, 32 transitions, 197 flow [2021-04-28 23:02:08,872 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 33 places, 32 transitions, 158 flow, removed 16 selfloop flow, removed 5 redundant places. [2021-04-28 23:02:08,873 INFO L241 Difference]: Finished difference. Result has 36 places, 24 transitions, 127 flow [2021-04-28 23:02:08,874 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=279, PETRI_DIFFERENCE_MINUEND_FLOW=86, PETRI_DIFFERENCE_MINUEND_PLACES=28, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=25, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=12, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=127, PETRI_PLACES=36, PETRI_TRANSITIONS=24} [2021-04-28 23:02:08,874 INFO L343 CegarLoopForPetriNet]: 102 programPoint places, -66 predicate places. [2021-04-28 23:02:08,874 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 23:02:08,874 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 36 places, 24 transitions, 127 flow [2021-04-28 23:02:08,875 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 36 places, 24 transitions, 127 flow [2021-04-28 23:02:08,875 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 33 places, 24 transitions, 127 flow [2021-04-28 23:02:08,885 INFO L129 PetriNetUnfolder]: 9/60 cut-off events. [2021-04-28 23:02:08,885 INFO L130 PetriNetUnfolder]: For 33/33 co-relation queries the response was YES. [2021-04-28 23:02:08,885 INFO L84 FinitePrefix]: Finished finitePrefix Result has 185 conditions, 60 events. 9/60 cut-off events. For 33/33 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 232 event pairs, 0 based on Foata normal form. 0/44 useless extension candidates. Maximal degree in co-relation 173. Up to 34 conditions per place. [2021-04-28 23:02:08,886 INFO L146 LiptonReduction]: Number of co-enabled transitions 32 [2021-04-28 23:02:08,894 INFO L158 LiptonReduction]: Checked pairs total: 85 [2021-04-28 23:02:08,894 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 23:02:08,894 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 20 [2021-04-28 23:02:08,895 INFO L480 AbstractCegarLoop]: Abstraction has has 33 places, 24 transitions, 127 flow [2021-04-28 23:02:08,896 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 194.8) internal successors, (974), 5 states have internal predecessors, (974), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 23:02:08,897 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 23:02:08,897 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 23:02:08,897 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-04-28 23:02:08,897 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 23:02:08,898 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 23:02:08,898 INFO L82 PathProgramCache]: Analyzing trace with hash 37894043, now seen corresponding path program 1 times [2021-04-28 23:02:08,898 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 23:02:08,898 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1799512631] [2021-04-28 23:02:08,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 23:02:08,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 23:02:09,022 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 23:02:09,024 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 23:02:09,031 INFO L142 QuantifierPusher]: treesize reduction 4, result has 87.9 percent of original size [2021-04-28 23:02:09,034 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-28 23:02:09,059 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 23:02:09,061 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-28 23:02:09,074 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 23:02:09,074 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 23:02:09,081 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 23:02:09,082 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1799512631] [2021-04-28 23:02:09,082 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 23:02:09,082 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-04-28 23:02:09,083 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [456079474] [2021-04-28 23:02:09,083 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-04-28 23:02:09,083 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 23:02:09,084 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-04-28 23:02:09,084 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-04-28 23:02:09,086 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 142 out of 279 [2021-04-28 23:02:09,088 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 33 places, 24 transitions, 127 flow. Second operand has 6 states, 6 states have (on average 143.0) internal successors, (858), 6 states have internal predecessors, (858), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 23:02:09,088 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 23:02:09,088 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 142 of 279 [2021-04-28 23:02:09,089 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 23:02:09,210 INFO L129 PetriNetUnfolder]: 18/104 cut-off events. [2021-04-28 23:02:09,210 INFO L130 PetriNetUnfolder]: For 126/138 co-relation queries the response was YES. [2021-04-28 23:02:09,211 INFO L84 FinitePrefix]: Finished finitePrefix Result has 374 conditions, 104 events. 18/104 cut-off events. For 126/138 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 557 event pairs, 0 based on Foata normal form. 9/77 useless extension candidates. Maximal degree in co-relation 360. Up to 67 conditions per place. [2021-04-28 23:02:09,211 INFO L132 encePairwiseOnDemand]: 273/279 looper letters, 2 selfloop transitions, 4 changer transitions 2/26 dead transitions. [2021-04-28 23:02:09,212 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 39 places, 26 transitions, 153 flow [2021-04-28 23:02:09,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-04-28 23:02:09,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-04-28 23:02:09,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1003 transitions. [2021-04-28 23:02:09,217 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5135688684075781 [2021-04-28 23:02:09,217 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1003 transitions. [2021-04-28 23:02:09,217 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1003 transitions. [2021-04-28 23:02:09,218 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 23:02:09,218 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1003 transitions. [2021-04-28 23:02:09,222 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 143.28571428571428) internal successors, (1003), 7 states have internal predecessors, (1003), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 23:02:09,230 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 279.0) internal successors, (2232), 8 states have internal predecessors, (2232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 23:02:09,231 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 279.0) internal successors, (2232), 8 states have internal predecessors, (2232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 23:02:09,231 INFO L185 Difference]: Start difference. First operand has 33 places, 24 transitions, 127 flow. Second operand 7 states and 1003 transitions. [2021-04-28 23:02:09,231 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 39 places, 26 transitions, 153 flow [2021-04-28 23:02:09,236 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 34 places, 26 transitions, 115 flow, removed 12 selfloop flow, removed 5 redundant places. [2021-04-28 23:02:09,237 INFO L241 Difference]: Finished difference. Result has 36 places, 24 transitions, 109 flow [2021-04-28 23:02:09,238 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=279, PETRI_DIFFERENCE_MINUEND_FLOW=95, PETRI_DIFFERENCE_MINUEND_PLACES=28, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=24, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=20, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=109, PETRI_PLACES=36, PETRI_TRANSITIONS=24} [2021-04-28 23:02:09,238 INFO L343 CegarLoopForPetriNet]: 102 programPoint places, -66 predicate places. [2021-04-28 23:02:09,238 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 23:02:09,238 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 36 places, 24 transitions, 109 flow [2021-04-28 23:02:09,239 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 36 places, 24 transitions, 109 flow [2021-04-28 23:02:09,239 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 34 places, 24 transitions, 109 flow [2021-04-28 23:02:09,259 INFO L129 PetriNetUnfolder]: 9/64 cut-off events. [2021-04-28 23:02:09,260 INFO L130 PetriNetUnfolder]: For 14/14 co-relation queries the response was YES. [2021-04-28 23:02:09,260 INFO L84 FinitePrefix]: Finished finitePrefix Result has 162 conditions, 64 events. 9/64 cut-off events. For 14/14 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 232 event pairs, 0 based on Foata normal form. 0/44 useless extension candidates. Maximal degree in co-relation 151. Up to 28 conditions per place. [2021-04-28 23:02:09,261 INFO L146 LiptonReduction]: Number of co-enabled transitions 24 [2021-04-28 23:02:09,606 WARN L205 SmtUtils]: Spent 343.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 64 [2021-04-28 23:02:09,739 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2021-04-28 23:02:10,337 WARN L205 SmtUtils]: Spent 596.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 90 [2021-04-28 23:02:10,589 WARN L205 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2021-04-28 23:02:10,946 WARN L205 SmtUtils]: Spent 355.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 64 [2021-04-28 23:02:11,083 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2021-04-28 23:02:11,749 WARN L205 SmtUtils]: Spent 663.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 94 [2021-04-28 23:02:12,026 WARN L205 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2021-04-28 23:02:12,347 WARN L205 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 60 [2021-04-28 23:02:12,471 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2021-04-28 23:02:13,104 WARN L205 SmtUtils]: Spent 631.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 86 [2021-04-28 23:02:13,373 WARN L205 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2021-04-28 23:02:13,704 WARN L205 SmtUtils]: Spent 329.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 64 [2021-04-28 23:02:13,844 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2021-04-28 23:02:14,490 WARN L205 SmtUtils]: Spent 644.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 87 [2021-04-28 23:02:14,726 WARN L205 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2021-04-28 23:02:15,067 WARN L205 SmtUtils]: Spent 338.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 64 [2021-04-28 23:02:15,209 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2021-04-28 23:02:15,939 WARN L205 SmtUtils]: Spent 727.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 90 [2021-04-28 23:02:16,229 WARN L205 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2021-04-28 23:02:16,571 WARN L205 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 60 [2021-04-28 23:02:16,708 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2021-04-28 23:02:17,378 WARN L205 SmtUtils]: Spent 666.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 83 [2021-04-28 23:02:17,625 WARN L205 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2021-04-28 23:02:17,631 INFO L158 LiptonReduction]: Checked pairs total: 87 [2021-04-28 23:02:17,631 INFO L160 LiptonReduction]: Total number of compositions: 6 [2021-04-28 23:02:17,632 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 8394 [2021-04-28 23:02:17,633 INFO L480 AbstractCegarLoop]: Abstraction has has 34 places, 24 transitions, 127 flow [2021-04-28 23:02:17,634 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 143.0) internal successors, (858), 6 states have internal predecessors, (858), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 23:02:17,634 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 23:02:17,634 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 23:02:17,634 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-04-28 23:02:17,634 INFO L428 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 23:02:17,635 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 23:02:17,635 INFO L82 PathProgramCache]: Analyzing trace with hash 681723041, now seen corresponding path program 1 times [2021-04-28 23:02:17,635 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 23:02:17,635 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [810587439] [2021-04-28 23:02:17,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 23:02:17,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-04-28 23:02:17,759 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-04-28 23:02:17,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-04-28 23:02:17,825 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-04-28 23:02:17,864 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-04-28 23:02:17,864 INFO L634 BasicCegarLoop]: Counterexample might be feasible [2021-04-28 23:02:17,865 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-04-28 23:02:17,961 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.04 11:02:17 BasicIcfg [2021-04-28 23:02:17,964 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-04-28 23:02:17,966 INFO L168 Benchmark]: Toolchain (without parser) took 43437.01 ms. Allocated memory was 302.0 MB in the beginning and 671.1 MB in the end (delta: 369.1 MB). Free memory was 275.8 MB in the beginning and 452.8 MB in the end (delta: -177.0 MB). Peak memory consumption was 194.4 MB. Max. memory is 16.0 GB. [2021-04-28 23:02:17,966 INFO L168 Benchmark]: CDTParser took 0.82 ms. Allocated memory is still 302.0 MB. Free memory is still 273.0 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-04-28 23:02:17,966 INFO L168 Benchmark]: CACSL2BoogieTranslator took 747.10 ms. Allocated memory is still 302.0 MB. Free memory was 272.6 MB in the beginning and 270.6 MB in the end (delta: 2.0 MB). Peak memory consumption was 26.2 MB. Max. memory is 16.0 GB. [2021-04-28 23:02:17,967 INFO L168 Benchmark]: Boogie Procedure Inliner took 103.46 ms. Allocated memory is still 302.0 MB. Free memory was 270.6 MB in the beginning and 267.7 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-04-28 23:02:17,970 INFO L168 Benchmark]: Boogie Preprocessor took 42.43 ms. Allocated memory is still 302.0 MB. Free memory was 267.7 MB in the beginning and 265.6 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-04-28 23:02:17,970 INFO L168 Benchmark]: RCFGBuilder took 2440.45 ms. Allocated memory is still 302.0 MB. Free memory was 265.6 MB in the beginning and 260.2 MB in the end (delta: 5.4 MB). Peak memory consumption was 161.6 MB. Max. memory is 16.0 GB. [2021-04-28 23:02:17,971 INFO L168 Benchmark]: TraceAbstraction took 40046.69 ms. Allocated memory was 302.0 MB in the beginning and 671.1 MB in the end (delta: 369.1 MB). Free memory was 260.2 MB in the beginning and 452.8 MB in the end (delta: -192.6 MB). Peak memory consumption was 176.5 MB. Max. memory is 16.0 GB. [2021-04-28 23:02:17,973 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.82 ms. Allocated memory is still 302.0 MB. Free memory is still 273.0 MB. There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 747.10 ms. Allocated memory is still 302.0 MB. Free memory was 272.6 MB in the beginning and 270.6 MB in the end (delta: 2.0 MB). Peak memory consumption was 26.2 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 103.46 ms. Allocated memory is still 302.0 MB. Free memory was 270.6 MB in the beginning and 267.7 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 42.43 ms. Allocated memory is still 302.0 MB. Free memory was 267.7 MB in the beginning and 265.6 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 2440.45 ms. Allocated memory is still 302.0 MB. Free memory was 265.6 MB in the beginning and 260.2 MB in the end (delta: 5.4 MB). Peak memory consumption was 161.6 MB. Max. memory is 16.0 GB. * TraceAbstraction took 40046.69 ms. Allocated memory was 302.0 MB in the beginning and 671.1 MB in the end (delta: 369.1 MB). Free memory was 260.2 MB in the beginning and 452.8 MB in the end (delta: -192.6 MB). Peak memory consumption was 176.5 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 27678.9ms, 86 PlacesBefore, 102 PlacesAfterwards, 81 TransitionsBefore, 96 TransitionsAfterwards, 968 CoEnabledTransitionPairs, 7 FixpointIterations, 112 TrivialSequentialCompositions, 78 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 2 ConcurrentYvCompositions, 2 ChoiceCompositions, 194 TotalNumberOfCompositions, 7687 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 2974, positive: 2801, positive conditional: 2801, positive unconditional: 0, negative: 173, negative conditional: 173, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1307, positive: 1236, positive conditional: 0, positive unconditional: 1236, negative: 71, negative conditional: 0, negative unconditional: 71, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1307, positive: 1236, positive conditional: 0, positive unconditional: 1236, negative: 71, negative conditional: 0, negative unconditional: 71, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1307, positive: 1210, positive conditional: 0, positive unconditional: 1210, negative: 97, negative conditional: 0, negative unconditional: 97, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 97, positive: 26, positive conditional: 0, positive unconditional: 26, negative: 71, negative conditional: 0, negative unconditional: 71, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1017, positive: 107, positive conditional: 0, positive unconditional: 107, negative: 910, negative conditional: 0, negative unconditional: 910, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2974, positive: 1565, positive conditional: 1565, positive unconditional: 0, negative: 102, negative conditional: 102, negative unconditional: 0, unknown: 1307, unknown conditional: 1307, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1269, Positive cache size: 1201, Positive conditional cache size: 1201, Positive unconditional cache size: 0, Negative cache size: 68, Negative conditional cache size: 68, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 263.3ms, 100 PlacesBefore, 59 PlacesAfterwards, 52 TransitionsBefore, 52 TransitionsAfterwards, 1122 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 1510 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 223, positive: 157, positive conditional: 157, positive unconditional: 0, negative: 66, negative conditional: 66, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 43, positive: 23, positive conditional: 21, positive unconditional: 2, negative: 20, negative conditional: 2, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 43, positive: 23, positive conditional: 21, positive unconditional: 2, negative: 20, negative conditional: 2, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 43, positive: 21, positive conditional: 0, positive unconditional: 21, negative: 22, negative conditional: 0, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 22, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 20, negative conditional: 2, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 238, positive: 9, positive conditional: 0, positive unconditional: 9, negative: 229, negative conditional: 41, negative unconditional: 188, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 223, positive: 134, positive conditional: 134, positive unconditional: 0, negative: 46, negative conditional: 46, negative unconditional: 0, unknown: 43, unknown conditional: 43, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1312, Positive cache size: 1224, Positive conditional cache size: 1224, Positive unconditional cache size: 0, Negative cache size: 88, Negative conditional cache size: 88, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 304.7ms, 60 PlacesBefore, 29 PlacesAfterwards, 21 TransitionsBefore, 21 TransitionsAfterwards, 196 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 248 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 81, positive: 58, positive conditional: 58, positive unconditional: 0, negative: 23, negative conditional: 23, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 44, positive: 32, positive conditional: 7, positive unconditional: 25, negative: 12, negative conditional: 1, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 44, positive: 32, positive conditional: 7, positive unconditional: 25, negative: 12, negative conditional: 1, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 44, positive: 23, positive conditional: 0, positive unconditional: 23, negative: 21, negative conditional: 0, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 21, positive: 9, positive conditional: 0, positive unconditional: 9, negative: 12, negative conditional: 1, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 293, positive: 36, positive conditional: 0, positive unconditional: 36, negative: 257, negative conditional: 4, negative unconditional: 253, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 81, positive: 26, positive conditional: 26, positive unconditional: 0, negative: 11, negative conditional: 11, negative unconditional: 0, unknown: 44, unknown conditional: 44, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1356, Positive cache size: 1256, Positive conditional cache size: 1256, Positive unconditional cache size: 0, Negative cache size: 100, Negative conditional cache size: 100, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 263.6ms, 30 PlacesBefore, 29 PlacesAfterwards, 20 TransitionsBefore, 20 TransitionsAfterwards, 128 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 321 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 144, positive: 108, positive conditional: 108, positive unconditional: 0, negative: 36, negative conditional: 36, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 31, positive: 27, positive conditional: 4, positive unconditional: 23, negative: 4, negative conditional: 3, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 31, positive: 27, positive conditional: 4, positive unconditional: 23, negative: 4, negative conditional: 3, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 31, positive: 21, positive conditional: 0, positive unconditional: 21, negative: 10, negative conditional: 0, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 10, positive: 6, positive conditional: 0, positive unconditional: 6, negative: 4, negative conditional: 3, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 89, positive: 29, positive conditional: 0, positive unconditional: 29, negative: 60, negative conditional: 16, negative unconditional: 43, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 144, positive: 81, positive conditional: 81, positive unconditional: 0, negative: 32, negative conditional: 32, negative unconditional: 0, unknown: 31, unknown conditional: 31, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1387, Positive cache size: 1283, Positive conditional cache size: 1283, Positive unconditional cache size: 0, Negative cache size: 104, Negative conditional cache size: 104, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 41.2ms, 34 PlacesBefore, 31 PlacesAfterwards, 25 TransitionsBefore, 25 TransitionsAfterwards, 78 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 123 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 69, positive: 54, positive conditional: 54, positive unconditional: 0, negative: 15, negative conditional: 15, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 15, positive: 12, positive conditional: 12, positive unconditional: 0, negative: 3, negative conditional: 3, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 15, positive: 12, positive conditional: 12, positive unconditional: 0, negative: 3, negative conditional: 3, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 15, positive: 12, positive conditional: 0, positive unconditional: 12, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 3, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 3, negative conditional: 3, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 16, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 16, negative conditional: 16, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 69, positive: 42, positive conditional: 42, positive unconditional: 0, negative: 12, negative conditional: 12, negative unconditional: 0, unknown: 15, unknown conditional: 15, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1402, Positive cache size: 1295, Positive conditional cache size: 1295, Positive unconditional cache size: 0, Negative cache size: 107, Negative conditional cache size: 107, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 270.4ms, 34 PlacesBefore, 33 PlacesAfterwards, 25 TransitionsBefore, 25 TransitionsAfterwards, 64 CoEnabledTransitionPairs, 2 FixpointIterations, 1 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 192 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 60, positive: 36, positive conditional: 36, positive unconditional: 0, negative: 24, negative conditional: 24, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 3, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 3, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 2, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 64, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 64, negative conditional: 0, negative unconditional: 64, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 60, positive: 35, positive conditional: 35, positive unconditional: 0, negative: 22, negative conditional: 22, negative unconditional: 0, unknown: 3, unknown conditional: 3, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1405, Positive cache size: 1296, Positive conditional cache size: 1296, Positive unconditional cache size: 0, Negative cache size: 109, Negative conditional cache size: 109, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 19.3ms, 36 PlacesBefore, 33 PlacesAfterwards, 24 TransitionsBefore, 24 TransitionsAfterwards, 32 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 85 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 68, positive: 51, positive conditional: 51, positive unconditional: 0, negative: 17, negative conditional: 17, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 16, positive: 15, positive conditional: 13, positive unconditional: 2, negative: 1, negative conditional: 1, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 16, positive: 15, positive conditional: 13, positive unconditional: 2, negative: 1, negative conditional: 1, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 16, positive: 15, positive conditional: 0, positive unconditional: 15, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1, negative conditional: 1, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 5, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 5, negative conditional: 5, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 68, positive: 36, positive conditional: 36, positive unconditional: 0, negative: 16, negative conditional: 16, negative unconditional: 0, unknown: 16, unknown conditional: 16, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1421, Positive cache size: 1311, Positive conditional cache size: 1311, Positive unconditional cache size: 0, Negative cache size: 110, Negative conditional cache size: 110, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 8392.6ms, 36 PlacesBefore, 34 PlacesAfterwards, 24 TransitionsBefore, 24 TransitionsAfterwards, 24 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 6 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 6 TotalNumberOfCompositions, 87 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 57, positive: 45, positive conditional: 45, positive unconditional: 0, negative: 12, negative conditional: 12, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 9, positive: 9, positive conditional: 7, positive unconditional: 2, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 9, positive: 9, positive conditional: 7, positive unconditional: 2, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 9, positive: 9, positive conditional: 0, positive unconditional: 9, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 57, positive: 36, positive conditional: 36, positive unconditional: 0, negative: 12, negative conditional: 12, negative unconditional: 0, unknown: 9, unknown conditional: 9, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1430, Positive cache size: 1320, Positive conditional cache size: 1320, Positive unconditional cache size: 0, Negative cache size: 110, Negative conditional cache size: 110, Negative unconditional cache size: 0 - CounterExampleResult [Line: 19]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L709] 0 int __unbuffered_cnt = 0; [L711] 0 int __unbuffered_p0_EAX = 0; [L713] 0 int __unbuffered_p1_EAX = 0; [L715] 0 int __unbuffered_p1_EBX = 0; [L716] 0 _Bool main$tmp_guard0; [L717] 0 _Bool main$tmp_guard1; [L719] 0 int x = 0; [L720] 0 _Bool x$flush_delayed; [L721] 0 int x$mem_tmp; [L722] 0 _Bool x$r_buff0_thd0; [L723] 0 _Bool x$r_buff0_thd1; [L724] 0 _Bool x$r_buff0_thd2; [L725] 0 _Bool x$r_buff1_thd0; [L726] 0 _Bool x$r_buff1_thd1; [L727] 0 _Bool x$r_buff1_thd2; [L728] 0 _Bool x$read_delayed; [L729] 0 int *x$read_delayed_var; [L730] 0 int x$w_buff0; [L731] 0 _Bool x$w_buff0_used; [L732] 0 int x$w_buff1; [L733] 0 _Bool x$w_buff1_used; [L735] 0 int y = 0; [L736] 0 _Bool weak$$choice0; [L737] 0 _Bool weak$$choice2; [L813] 0 pthread_t t1633; [L814] FCALL, FORK 0 pthread_create(&t1633, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0] [L815] 0 pthread_t t1634; [L816] FCALL, FORK 0 pthread_create(&t1634, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0] [L771] 2 x$w_buff1 = x$w_buff0 [L772] 2 x$w_buff0 = 1 [L773] 2 x$w_buff1_used = x$w_buff0_used [L774] 2 x$w_buff0_used = (_Bool)1 [L19] COND FALSE 2 !(!expression) [L776] 2 x$r_buff1_thd0 = x$r_buff0_thd0 [L777] 2 x$r_buff1_thd1 = x$r_buff0_thd1 [L778] 2 x$r_buff1_thd2 = x$r_buff0_thd2 [L779] 2 x$r_buff0_thd2 = (_Bool)1 [L782] 2 y = 1 [L785] 2 __unbuffered_p1_EAX = y VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=1] [L788] 2 __unbuffered_p1_EBX = y VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=1, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=1] [L741] 1 y = 2 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=1, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=2] [L746] 1 weak$$choice0 = __VERIFIER_nondet_bool() [L747] 1 weak$$choice2 = __VERIFIER_nondet_bool() [L748] 1 x$flush_delayed = weak$$choice2 [L749] 1 x$mem_tmp = x [L750] EXPR 1 !x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : x$w_buff1) [L750] 1 x = !x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : x$w_buff1) [L751] EXPR 1 weak$$choice2 ? x$w_buff0 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff0 : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : x$w_buff0)) [L751] EXPR 1 !x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff0 : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : x$w_buff0) [L751] EXPR 1 weak$$choice2 ? x$w_buff0 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff0 : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : x$w_buff0)) [L751] 1 x$w_buff0 = weak$$choice2 ? x$w_buff0 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff0 : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : x$w_buff0)) [L752] EXPR 1 weak$$choice2 ? x$w_buff1 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff1 : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff1 : x$w_buff1)) [L752] EXPR 1 !x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff1 : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff1 : x$w_buff1) [L752] EXPR 1 weak$$choice2 ? x$w_buff1 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff1 : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff1 : x$w_buff1)) [L752] 1 x$w_buff1 = weak$$choice2 ? x$w_buff1 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff1 : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff1 : x$w_buff1)) [L753] EXPR 1 weak$$choice2 ? x$w_buff0_used : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff0_used : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$w_buff0_used)) [L753] EXPR 1 !x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff0_used : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$w_buff0_used) [L753] EXPR 1 weak$$choice2 ? x$w_buff0_used : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff0_used : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$w_buff0_used)) [L753] 1 x$w_buff0_used = weak$$choice2 ? x$w_buff0_used : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff0_used : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$w_buff0_used)) [L754] EXPR 1 weak$$choice2 ? x$w_buff1_used : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff1_used : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) [L754] EXPR 1 !x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff1_used : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : (_Bool)0) [L754] EXPR 1 weak$$choice2 ? x$w_buff1_used : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff1_used : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) [L754] 1 x$w_buff1_used = weak$$choice2 ? x$w_buff1_used : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff1_used : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) [L755] EXPR 1 weak$$choice2 ? x$r_buff0_thd1 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$r_buff0_thd1 : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$r_buff0_thd1)) [L755] EXPR 1 !x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$r_buff0_thd1 : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$r_buff0_thd1) [L755] EXPR 1 weak$$choice2 ? x$r_buff0_thd1 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$r_buff0_thd1 : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$r_buff0_thd1)) [L755] 1 x$r_buff0_thd1 = weak$$choice2 ? x$r_buff0_thd1 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$r_buff0_thd1 : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$r_buff0_thd1)) [L756] EXPR 1 weak$$choice2 ? x$r_buff1_thd1 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$r_buff1_thd1 : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) [L756] EXPR 1 !x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$r_buff1_thd1 : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : (_Bool)0) [L756] EXPR 1 weak$$choice2 ? x$r_buff1_thd1 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$r_buff1_thd1 : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) [L756] 1 x$r_buff1_thd1 = weak$$choice2 ? x$r_buff1_thd1 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$r_buff1_thd1 : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) [L757] 1 __unbuffered_p0_EAX = x [L758] EXPR 1 x$flush_delayed ? x$mem_tmp : x [L758] 1 x = x$flush_delayed ? x$mem_tmp : x [L759] 1 x$flush_delayed = (_Bool)0 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=1, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=2] [L791] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd2 ? x$w_buff1 : x) [L791] 2 x = x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd2 ? x$w_buff1 : x) [L792] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$w_buff0_used [L792] 2 x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$w_buff0_used [L793] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$w_buff1_used [L793] 2 x$w_buff1_used = x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$w_buff1_used [L794] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$r_buff0_thd2 [L794] 2 x$r_buff0_thd2 = x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$r_buff0_thd2 [L795] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$r_buff1_thd2 [L795] 2 x$r_buff1_thd2 = x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$r_buff1_thd2 [L764] 1 __unbuffered_cnt = __unbuffered_cnt + 1 [L766] 1 return 0; [L798] 2 __unbuffered_cnt = __unbuffered_cnt + 1 [L800] 2 return 0; [L818] 0 main$tmp_guard0 = __unbuffered_cnt == 2 [L4] COND FALSE 0 !(!cond) [L822] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd0 ? x$w_buff1 : x) [L822] EXPR 0 x$w_buff1_used && x$r_buff1_thd0 ? x$w_buff1 : x [L822] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd0 ? x$w_buff1 : x) [L822] 0 x = x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd0 ? x$w_buff1 : x) [L823] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$w_buff0_used [L823] 0 x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$w_buff0_used [L824] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? (_Bool)0 : x$w_buff1_used [L824] 0 x$w_buff1_used = x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? (_Bool)0 : x$w_buff1_used [L825] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$r_buff0_thd0 [L825] 0 x$r_buff0_thd0 = x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$r_buff0_thd0 [L826] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? (_Bool)0 : x$r_buff1_thd0 [L826] 0 x$r_buff1_thd0 = x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? (_Bool)0 : x$r_buff1_thd0 [L829] 0 main$tmp_guard1 = !(y == 2 && __unbuffered_p0_EAX == 0 && __unbuffered_p1_EAX == 1 && __unbuffered_p1_EBX == 1) [L19] COND TRUE 0 !expression [L19] 0 reach_error() VAL [\result={0:0}, __unbuffered_cnt=2, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=1, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=0, x=1, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 82 locations, 2 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 15.3ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: UNSAFE, OverallTime: 39800.1ms, OverallIterations: 8, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 998.6ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 27789.2ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 33 SDtfs, 30 SDslu, 10 SDs, 0 SdLazy, 168 SolverSat, 38 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 298.5ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 23 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 142.0ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=198occurred in iteration=0, InterpolantAutomatonStates: 31, 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: 32.8ms SsaConstructionTime, 432.6ms SatisfiabilityAnalysisTime, 611.1ms InterpolantComputationTime, 89 NumberOfCodeBlocks, 89 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 68 ConstructedInterpolants, 0 QuantifiedInterpolants, 233 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 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...